CN216735544U - A kind of cover - Google Patents

Abstract

The utility model discloses a cover, which comprises a lower cover and an upper cover, wherein the lower cover is provided with a water outlet, the upper cover is covered on the lower cover, the bottom of the upper cover is provided with a limiting piece extending towards the lower cover, the lower cover is provided with a locking mechanism, the locking mechanism comprises a locking ring which is sleeved on the outer peripheral side of the lower cover and can move along the radial direction of the lower cover, and an elastic resetting piece which is arranged between the lower cover and the locking ring, the elastic resetting piece pushes the locking ring to be clamped with the limiting piece so as to lock the upper cover and the lower cover, and the locking ring moves along the radial direction of the lower cover to be separated from the limiting piece when being pushed by external force. According to the utility model, the lower cover is provided with the locking ring which is sleeved on the outer peripheral side of the lower cover and can move along the radial direction of the lower cover to clamp the limiting piece on the upper cover, so that a user can press the position where the locking ring is matched with the elastic reset piece when unlocking operation is carried out, the locking ring can be held to pull the locking ring towards the elastic reset piece, a certain specified contact is not required to be pressed, the operation is simpler and more convenient, and the use experience of the user is improved.

Description

A kind of cover

Technical Field

The utility model relates to a cover.

Background

At present, the lid of container on the market adopts the mode that button control buckle opened and shut to lock usually, and the user need find the button that sets up at the lateral part and press the button when the operation, just can control opening and shutting of buckle, if the position of placing of container leads to the user to be difficult to press the button, then very inconvenient of opening and shutting of lid, user's use experience is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a cover to solve at least one of the above problems.

In order to solve the technical problem, the utility model adopts the following technical scheme: a cover comprises a lower cover and an upper cover, wherein the lower cover is provided with a water outlet, the upper cover is covered on the lower cover, a limiting part extending towards the lower cover is arranged at the bottom of the upper cover, a locking mechanism is arranged on the lower cover, the locking mechanism comprises a locking ring which is sleeved on the outer periphery of the lower cover and can move along the radial direction of the lower cover, and an elastic resetting piece which is arranged between the lower cover and the locking ring, the elastic resetting piece pushes the locking ring to be clamped with the limiting part so as to enable the upper cover and the lower cover to be locked, and the locking ring moves along the radial direction of the lower cover to be separated from the limiting part when being pushed by external force.

In above-mentioned lid, the upper cover passes through the articulated shaft and is articulated with the lower cover, and the both sides of upper cover are located respectively to articulated shaft and locating part, and elasticity resets and is located the below of articulated shaft.

In the cap, the elastic resetting piece is an elastic sheet mounted on the locking ring, and when the locking ring is separated from the limiting piece under the pushing of an external force, the elastic sheet is extruded by the locking ring and the mounting base to generate elastic deformation.

In the above cap, the inner wall of the locking ring is provided with mounting bosses respectively located at both ends of the elastic piece, and both ends of the elastic piece are mounted on the mounting bosses to form a deformation gap between the elastic piece and the inner wall of the locking ring.

In the cover, the side walls opposite to the two mounting bosses are respectively provided with an inserting groove, and two ends of the elastic sheet are respectively inserted into the two inserting grooves.

In the cap, the outer side wall of the lower cap is provided with a limiting protrusion which is abutted against the elastic sheet, and the limiting protrusion extrudes the elastic sheet to the deformation gap to deform the elastic sheet in the process that the locking ring moves along the radial direction of the lower cap to be disengaged from the limiting part.

In the above-mentioned lid, the locking ring is including the ring body that encircles the lower cover setting and locate the joint arch on the ring body inner wall, joint arch and the joint groove joint on the locating part lateral wall.

In above-mentioned lid, the lower cover includes the mount pad and can dismantle the collar of connection at the mount pad top, and the bottom of mount pad periphery wall is equipped with the spacing protruding muscle that encircles the mount pad setting, and the upper and lower both ends of locking ring offset with collar and spacing protruding muscle respectively to carry out the spacing of axial ascending to the locking ring.

In the cover, the mounting ring is provided with an avoiding hole, and the limiting part penetrates through the mounting ring through the avoiding hole and extends into a space between the locking ring and the mounting seat so as to be locked with the locking ring.

In above-mentioned lid, the collar is through with the mount pad joint in order to fix on the mount pad, and the upper cover is articulated through articulated shaft and collar.

The utility model has the beneficial effects that:

a cover comprises a lower cover and an upper cover, wherein the lower cover is provided with a water outlet, the upper cover is covered on the lower cover, a limiting piece extending towards the lower cover is arranged at the bottom of the upper cover, a locking mechanism is arranged on the lower cover and comprises a locking ring which is sleeved on the outer periphery of the lower cover and can move along the radial direction of the lower cover, and an elastic resetting piece is arranged between the lower cover and the locking ring, the elastic resetting piece pushes the locking ring to be connected with the limiting piece in a clamping mode so that the upper cover and the lower cover can be locked, and the locking ring moves along the radial direction of the lower cover to be separated from the limiting piece when being pushed by external force. The technical scheme has the following technical effects:

according to the utility model, the lower cover is provided with the locking ring which is sleeved on the outer peripheral side of the lower cover and can move along the radial direction of the lower cover to clamp the limiting piece on the upper cover so as to limit the upper cover, so that the upper cover and the lower cover are prevented from being freely separated, and the locking effect of the lower cover on the upper cover is ensured. When a user needs to open the upper cover, the locking ring is pushed towards the elastic reset piece positioned between the lower cover and the locking ring, the locking ring can horizontally move along the radial direction of the lower cover when being pushed by external force, and in the moving process of the locking ring, the locking ring is changed from being clamped with the limiting piece to be separated from the limiting piece, so that the upper cover and the lower cover are allowed to be separated from each other, and the unlocking of the upper cover and the lower cover is realized. Carry out the joint through the locking ring to the locating part for the user can press the locking ring and elasticity reset a complex position when carrying out the unblock operation, also can grip the locking ring and reset an orientation pulling locking ring to elasticity, need not to press certain appointed contact, and the operation is more simple and convenient, improves user's use and experiences.

The upper cover passes through the articulated shaft and is articulated with the lower cover, and the both sides of upper cover are located respectively to articulated shaft and locating part, and elasticity resets and is located the below of articulated shaft for the user can extrude elasticity when promoting the locking ring and throw off with the locating part and reset, so that the piece that resets of follow-up elasticity helps the locking ring to reset, resets through the below with elasticity and sets up at the articulated shaft, can avoid elasticity to reset and cause the hindrance to the joint between locking ring and the locating part.

The elastic reset piece is an elastic piece arranged on the locking ring, when the locking ring is separated from the limiting piece under the pushing of external force, the elastic piece is extruded by the locking ring and the mounting seat to generate elastic deformation, the locking ring is pushed to the position where the limiting piece is clamped with the locking ring through the elastic piece, when a user pushes the locking ring to separate the locking ring from the limiting piece, the elastic piece is extruded by the locking ring and the mounting seat to generate elastic deformation, when the user loosens the locking ring, the elastic piece resets under the action of the elastic force and pushes the locking ring to the original position again, the structure of the elastic piece is simple, the installation space occupied by the elastic reset piece is reduced, and meanwhile, the production cost can be reduced.

The inner wall of the locking ring is provided with mounting bosses which are respectively positioned at two ends of the elastic sheet, two ends of the elastic sheet are mounted on the mounting bosses so as to form a deformation gap between the elastic sheet and the inner wall of the locking ring, and the elastic sheet can be bent and deformed towards the deformation gap when the outer side wall of the locking ring and the outer side wall of the lower cover jointly extrude the elastic sheet, so that the elastic sheet has sufficient deformation, the elastic force of the elastic sheet is ensured to be enough to push the locking ring to clamp the limiting part, namely, the locking between the upper cover and the lower cover is ensured, and water leakage is prevented.

The two opposite side walls of the two installation bosses are provided with inserting grooves, the two ends of the elastic sheet are respectively inserted into the two inserting grooves, the inserting grooves can be used for limiting the elastic sheet in an installation state when the elastic sheet is convenient to install and detach, the elastic sheet is always kept between the locking ring and the outer side wall of the lower cover, the elastic sheet is prevented from being disengaged from the locking ring and the outer side wall of the lower cover, and the clamping effect of the locking ring on the limiting part is guaranteed.

Be equipped with the spacing arch that offsets with the shell fragment on the lateral wall of lower cover, the locking ring is along the radial movement of lower cover in order to with locating part off-going in-process, spacing arch extrudees the shell fragment to the deformation clearance so that the shell fragment warp, through spacing bellied setting for the shell fragment middle part receives spacing bellied concentrated extrusion, takes place deformation more easily, and the shell fragment need not wholly to receive the extrusion can give the enough big elasticity of locking ring in order to reset, guarantees the promotion effect of shell fragment to the locking ring.

The locking ring is protruding including the ring body that encircles the lower cover setting and the joint of locating on the ring body inner wall, joint protruding and the joint groove joint on the locating part lateral wall, joint protruding be used for with the joint groove joint in order to carry on spacingly to the locating part, prevent that the upper cover from moving the locating part and rotate around the articulated shaft and open, and is effectual to the closure of upper cover.

The lower cover comprises a mounting seat and a mounting ring detachably connected to the top of the mounting seat, a limiting convex rib arranged around the mounting seat is arranged at the bottom of the peripheral wall of the mounting seat, and the upper end and the lower end of the locking ring are abutted against the mounting ring and the limiting convex rib respectively to limit the locking ring in the axial direction. During installation, the locking ring is firstly sleeved on the outer peripheral side of the installation base, the lower end of the locking ring abuts against the top surface of the limiting convex rib at the moment, then the installation ring is installed on the top of the installation base, at the moment, the upper end of the locking ring abuts against the bottom surface of the installation ring, the locking ring is limited in the axial direction through the matching of the installation ring and the limiting convex rib, the locking ring is prevented from moving up and down along the axial direction of the lower cover, and the clamping effect of the locking ring on the limiting part is guaranteed.

The installation ring is provided with a avoiding hole, the limiting part penetrates through the installation ring through the avoiding hole and extends into the space between the locking ring and the installation seat to be locked with the locking ring, and the limiting part and the limiting convex rib which are locked with each other are hidden between the locking ring and the installation seat through the arrangement of the avoiding hole, so that the installation ring is more attractive.

The collar is through fixing on the mount pad with the mount pad joint, and the upper cover is articulated through articulated shaft and collar, and the joint can improve the installation time collar and the assembly efficiency of mount pad and the collar is difficult not hard up simultaneously, improves the stability of collar, passes through the articulated shaft with the upper cover and installs on the collar, the assembly and the dismantlement of being convenient for.

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

Drawings

The utility model is further described with reference to the accompanying drawings and the detailed description below:

FIG. 1 is a perspective view of a lid of the present invention;

FIG. 2 is an assembly view of the locking ring and the mounting block;

FIG. 3 is an exploded view of a lid according to the present invention;

FIG. 4 is a cross-sectional view of a cap of the present invention;

figure 5 is a perspective view of a locking ring;

FIG. 6 is a perspective view of the mounting base;

fig. 7 is a perspective view of the upper cover.

Reference numerals:

100. an upper cover; 110. a limiting member; 111. a clamping groove; 120. hinging a shaft;

200. a lower cover; 210. a mounting seat; 211. a water outlet; 212. a limiting bulge; 213. limiting convex ribs; 214. a card slot; 220. a mounting ring; 221. buckling; 222. avoiding holes;

300. a locking mechanism; 310. locking a ring; 311. a ring body; 3111. mounting a boss; 3112. inserting grooves; 312. clamping the bulges; 320. a spring plate; 330. a deformation gap.

Detailed Description

The utility model provides a cover, which comprises a lower cover and an upper cover, wherein the lower cover is provided with a water outlet, the upper cover is covered on the lower cover, the bottom of the upper cover is provided with a limiting piece extending towards the lower cover, the lower cover is provided with a locking mechanism, the locking mechanism comprises a locking ring which is sleeved on the outer periphery of the lower cover and can move along the radial direction of the lower cover, and an elastic resetting piece which is arranged between the lower cover and the locking ring, the elastic resetting piece pushes the locking ring to be clamped with the limiting piece so as to lock the upper cover and the lower cover, and the locking ring moves along the radial direction of the lower cover when being pushed by external force so as to be separated from the limiting piece. According to the utility model, the lower cover is provided with the locking ring which is sleeved on the outer peripheral side of the lower cover and can move along the radial direction of the lower cover to clamp the limiting piece on the upper cover so as to limit the upper cover, so that the upper cover and the lower cover are prevented from being freely separated, and the locking effect of the lower cover on the upper cover is ensured. When a user needs to open the upper cover, the locking ring is pushed towards the elastic reset piece positioned between the lower cover and the locking ring, the locking ring can horizontally move along the radial direction of the lower cover when being pushed by external force, and in the moving process of the locking ring, the locking ring is changed from being clamped with the limiting piece to be separated from the limiting piece, so that the upper cover and the lower cover are allowed to be separated from each other, and the unlocking of the upper cover and the lower cover is realized. Carry out the joint through the locking ring to the locating part for the user can press the locking ring and elasticity piece complex position that resets when carrying out the unblock operation, also can grip the locking ring and elastically reset a direction pulling locking ring, need not to press certain appointed contact, and the operation is more simple and convenient, improves user's use and experiences.

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment is as follows:

a lid, as shown in FIGS. 1 to 7, comprises a lower lid 200 and an upper lid 100, wherein the lower lid 200 is used for covering the top of a container, the lower lid 200 is provided with a water outlet 211 for communicating the inside of the container with the outside, and the upper lid 100 is covered on the lower lid 200 for closing the water outlet 211 of the lower lid 200. A stopper 110 extending toward the lower cap 200 is provided at the bottom of the upper cap 100, a locking mechanism 300 is provided on the lower cap 200, the locking mechanism 300 includes a locking ring 310 and an elastic restoring member, the locking ring 310 is sleeved on the outer circumferential side of the lower cap 200 and can move in the radial direction of the lower cap 200, and the elastic restoring member is provided between the lower cap 200 and the locking ring 310 for restoring the locking ring 310. When the upper cover 100 and the lower cover 200 are in a locked state, the elastic reset piece pushes the locking ring 310 under the action of elastic force to enable the locking ring 310 to be clamped with the limiting piece 110, and the lower cover 200 realizes the limiting of the upper cover 100 through the locking ring 310 clamped with the limiting piece 110, so that the upper cover 100 and the lower cover 200 are prevented from being freely separated; when a user needs to open the upper cap 100, the locking ring 310 is pushed towards the elastic resetting member, the locking ring 310 is pushed by an external force to horizontally move along the radial direction of the lower cap 200, and during the movement of the locking ring 310, the locking ring 310 is changed from being clamped with the limiting member 110 to be disengaged from the limiting member 110, so as to allow the upper cap 100 to be unlocked and disengaged from the lower cap 200.

The locking ring 310 which is sleeved on the outer periphery of the lower cover 200 and can move along the radial direction of the lower cover 200 is arranged on the lower cover 200 to clamp the limiting piece 110 on the upper cover 100 so as to limit the upper cover 100, so that the upper cover 100 and the lower cover 200 are prevented from being freely separated, and the locking effect of the lower cover 200 on the upper cover 100 is ensured. When a user needs to open the upper cap 100, the locking ring 310 is pushed in the direction of the elastic resetting member between the lower cap 200 and the locking ring 310, the locking ring 310 moves horizontally in the radial direction of the lower cap 200 when being pushed by an external force, and during the movement of the locking ring 310, the locking ring 310 is changed from being engaged with the limiting member 110 to being disengaged from the limiting member 110, so as to allow the upper cap 100 to be unlocked and disengaged from the lower cap 200, and thus the upper cap 100 is unlocked from the lower cap 200. The limiting part 110 is clamped through the locking ring 310, so that when a user performs unlocking operation, the locking ring 310 and the elastic reset part matched position can be pressed, the locking ring 310 can be held to pull the locking ring 310 towards the elastic reset part, a certain specified contact does not need to be pressed, the operation is simpler and more convenient, and the use experience of the user is improved.

In the present embodiment, as shown in fig. 7, one side of the upper cover 100 is hinged to the lower cover 200 through the hinge shaft 120, the other side is provided with the limiting member 110, the limiting member 110 and the hinge shaft 120 are respectively located at both sides of the upper cover 100, and the elastic resetting member is located below the hinge shaft 120, so that a user can press the elastic resetting member while pushing the locking ring 310 to disengage from the limiting member 110, so that the subsequent elastic resetting member assists the resetting of the locking ring 310, and by locating the elastic resetting member below the hinge shaft 120, the elastic resetting member can be prevented from obstructing the engagement between the locking ring 310 and the limiting member 110.

As shown in fig. 2 and 5, in this embodiment, the elastic reset member is an elastic sheet 320 mounted on the locking ring 310, the outer side wall of the lower cover 200 abuts against the elastic sheet 320, the locking ring 310 is pushed to the position where the stopper 110 is engaged with the locking ring 310 by the elastic sheet 320, when a user pushes the locking ring 310 to disengage the locking ring 310 from the stopper 110, the elastic sheet 320 is elastically deformed by being pressed by the locking ring 310 and the mounting base 210, and when the user releases the locking ring 310, the elastic sheet 320 is reset by the elastic force and pushes the locking ring 310 to the original position again, the structure of the elastic sheet 320 is simple, the mounting space occupied by the elastic reset member can be reduced, and the production cost can be reduced.

The inner wall of the locking ring 310 is provided with two mounting bosses 3111, the two mounting bosses 3111 are respectively located at two ends of the elastic sheet 320, two ends of the elastic sheet 320 are mounted on the mounting bosses 3111 to form a deformation gap 330 between the elastic sheet 320 and the inner wall of the locking ring 310, the deformation gap 330 is arranged such that when the locking ring 310 and the outer sidewall of the lower cover 200 jointly press the elastic sheet 320, the elastic sheet 320 can be bent and deformed towards the deformation gap 330, so that the elastic sheet 320 has a sufficient deformation amount, and the elastic force of the elastic sheet 320 is ensured to be enough to push the locking ring 310 to clamp the limiting member 110, i.e. to ensure the locking between the upper cover 100 and the lower cover 200, thereby preventing water leakage. In order to facilitate the installation of the elastic sheet 320, the opposite side walls of the two installation bosses 3111 are respectively provided with an insertion groove 3112, two ends of the elastic sheet 320 are respectively inserted into the two insertion grooves 3112, the insertion grooves 3112 facilitate the installation and the removal of the elastic sheet 320, and simultaneously, the insertion grooves 3112 can also limit the elastic sheet 320 in an installation state, so that the elastic sheet 320 is always kept between the locking ring 310 and the outer side wall of the lower cover 200, the elastic sheet 320 is prevented from being separated from the locking ring 310 and the outer side wall of the lower cover 200, and the clamping effect of the locking ring 310 on the limiting part 110 is ensured.

As shown in fig. 6, in the present embodiment, the outer sidewall of the lower cap 200 is provided with a limiting protrusion 212 abutting against the elastic sheet 320, and in the process that the locking ring 310 moves along the radial direction of the lower cap 200 to disengage from the limiting member 110, the locking ring 310 drives the elastic sheet 320 to move toward the limiting protrusion 212 along the radial direction of the lower cap 200, and the middle portion of the elastic sheet 320 abuts against the limiting protrusion 212, so that the middle portion of the elastic sheet 320 is pressed by the limiting protrusion 212 to deform toward the deformation gap 330. Through the setting of spacing arch 212 for shell fragment 320 middle part receives the concentrated extrusion of spacing arch 212, takes place deformation more easily, and shell fragment 320 need not wholly receive the extrusion can give locking ring 310 elasticity enough big in order to reset, guarantees the promotion effect of shell fragment 320 to locking ring 310.

As shown in fig. 5, in the present embodiment, the locking ring 310 includes a ring body 311 disposed around the lower cover 200 and a clamping protrusion 312 disposed on an inner wall of the ring body 311, the clamping protrusion 312 and the elastic sheet 320 are disposed on two opposite sides of the ring body 311, respectively, the outer side wall of the limiting member 110 is provided with a clamping groove 111, the clamping protrusion 312 is used for clamping with the clamping groove 111 to limit the limiting member 110, so as to prevent the upper cover 100 from driving the limiting member 110 to rotate around the hinge shaft 120 and open, and the locking effect on the upper cover 100 is good. Of course, it can be understood that the clamping groove 111 in the embodiment may not penetrate through the limiting member 110, or may penetrate through the limiting member 110.

As shown in fig. 3, in the present embodiment, the lower cap 200 includes a mounting base 210 and a mounting ring 220, a limiting rib 213 disposed around the mounting base 210 is disposed at the bottom of the outer peripheral wall of the mounting base 210, the limiting rib 213 protrudes from the outer peripheral wall of the mounting base 210, the mounting ring 220 is detachably connected to the top of the mounting base 210, and the mounting ring 220 also protrudes from the outer peripheral wall of the mounting base 210, such that a mounting groove for mounting the locking ring 310 is formed between the bottom surface of the mounting ring 220, the outer peripheral wall of the mounting base 210, and the top surface of the limiting rib 213, when mounting, the locking ring 310 is firstly sleeved on the outer peripheral side of the mounting base 210, the lower end of the locking ring 310 abuts against the top surface of the limiting rib 213, then the mounting ring 220 is mounted on the top of the mounting base 210, the upper end of the locking ring 310 abuts against the bottom surface of the mounting ring 220, and the locking ring 310 is axially limited by the fitting of the mounting ring 220 and the limiting rib 213, the locking ring 310 is prevented from bouncing up and down along the axial direction of the lower cover 200, and it is ensured that the clamping protrusion 312 on the locking ring 310 can be always aligned with the clamping groove 111, i.e. the clamping effect of the locking ring 310 on the limiting member 110 is ensured.

The mounting ring 220 in this embodiment is preferably clamped with the mounting base 210, the mounting ring 220 is provided with the buckle 221, the mounting base 210 is provided with the clamping groove 214, the mounting ring 220 is clamped with the mounting base 210 through the buckle 221 and the clamping groove 214, and is further fixed on the mounting base 210, the clamping can improve the assembling efficiency during installation, and meanwhile, the mounting ring 220 is not easy to loosen, and the stability of the mounting ring 220 is improved. For the convenience of assembly and disassembly, the present embodiment preferably mounts the upper cover 100 on the mounting ring 220 through the hinge shaft 120 such that the upper cover 100 is hinged with the mounting ring 220.

In the embodiment, the mounting ring 220 is provided with an avoiding hole 222 at a position facing the mounting groove, and when the upper cover 100 covers the lower cover 200, the limiting member 110 passes through the mounting ring 220 through the avoiding hole 222 and extends into the space between the locking ring 310 and the mounting base 210, so that the limiting rib 213 is clamped in the clamping groove 111, thereby locking the locking ring 310 and the limiting member 110. When the top cover 100 is opened, the limiting member 110 passes through the avoiding hole 222 and out of the mounting ring 220. Through the arrangement of the avoiding hole 222, the locking limiting piece 110 and the limiting convex rib 213 are hidden between the locking ring 310 and the mounting base 210, which is more beautiful.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (10)

1. A cap, characterized by: including the lower cover that is equipped with the delivery port and the upper cover that the lid closed under, the bottom of upper cover be equipped with to the locating part that the lower cover extends, cover down and be equipped with locking mechanical system, locking mechanical system establishes including the cover the lower cover periphery side can be followed the locking ring of the radial movement of lower cover and locating the lower cover with elasticity between the locking ring resets, elasticity resets and promotes the locking ring with the locating part joint is so that the upper cover with the lower cover locking, the locking ring receives when external force promotes edge the radial movement of lower cover in order with the locating part is thrown off.

2. A cap according to claim 1, wherein: the upper cover pass through the articulated shaft with the lower cover is articulated, the articulated shaft with the locating part is located respectively the both sides of upper cover, elasticity resets and is located the below of articulated shaft.

3. A cap according to claim 1, wherein: the elastic reset piece is an elastic sheet arranged on the locking ring, and when the locking ring is separated from the limiting piece under the pushing of external force, the elastic sheet is extruded by the locking ring and the lower cover to generate elastic deformation.

4. A lid as claimed in claim 3, wherein: the inner wall of the locking ring is provided with mounting bosses which are respectively positioned at two ends of the elastic sheet, and two ends of the elastic sheet are mounted on the mounting bosses so as to form a deformation gap between the elastic sheet and the inner wall of the locking ring.

5. A lid as claimed in claim 4, wherein: the two opposite side walls of the mounting bosses are provided with inserting grooves, and two ends of the elastic sheet are respectively inserted into the two inserting grooves.

6. A lid as claimed in claim 4, wherein: the outer side wall of the lower cover is provided with a limiting protrusion abutted against the elastic sheet, and in the process that the locking ring moves along the radial direction of the lower cover to be disengaged from the limiting part, the limiting protrusion extrudes the elastic sheet to the deformation gap to enable the elastic sheet to deform.

7. A cap according to claim 1, wherein: the locking ring is including encircleing the ring body that the lower cover set up and locate the joint arch on the ring body inner wall, the joint protruding with joint groove joint on the locating part lateral wall.

8. A lid as claimed in any one of claims 1 to 7, wherein: the lower cover comprises a mounting seat and a mounting ring detachably connected to the top of the mounting seat, a limiting convex rib surrounding the mounting seat is arranged at the bottom of the peripheral wall of the mounting seat, and the upper end and the lower end of the locking ring are abutted to the mounting ring and the limiting convex rib respectively to limit the locking ring in the axial direction.

9. A lid as claimed in claim 8, wherein: the mounting ring is provided with an avoiding hole, and the limiting part penetrates through the mounting ring through the avoiding hole and extends into the space between the locking ring and the mounting seat so as to be locked with the locking ring.

10. A lid as claimed in claim 8, wherein: the mounting ring through with the mount pad joint is in order to fix on the mount pad, the upper cover pass through the articulated shaft with the mounting ring is articulated.

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