Cover structure and water dispenser thereof

Abstract

The utility model discloses a cover structure and a water dispenser thereof, which belong to parts of water dispensers and comprise a top ring and a sealing cover, an annular hole is arranged in the middle of the top ring, the sealing cover can be opened to seal and cover the annular hole, and an elastic cover body buckling device is arranged between the side wall of the sealing cover and the inner wall of the annular hole. After the sealing cover covers the ring hole at the top of the top ring, the sealing cover is locked through the elastic cover body buckling device and cannot be naturally loosened, the sealing performance between the top ring and the sealing cover is guaranteed, and steam is prevented from being sprayed out from a gap between the top ring and the sealing cover when the water dispenser boils water; meanwhile, the sealing cover cannot naturally loosen and fall off, and cannot be ejected open by steam pressure, so that safe use is ensured; due to the elasticity of the elastic cover body buckling device, locking and unlocking quitting are convenient during covering and opening.

Description

Technical Field

[0001] This utility model relates to water dispenser components, and more particularly to a lid structure and a water dispenser thereof. Background Technology

[0002] 1. In some existing water dispensers, the top lid is sealed to the top spout by the weight of the lid itself. Some lids have a sealing ring fixed to the side wall of the lid. In actual boiling water, when steam pressure is generated inside, this type of lid is easily opened by the steam pressure, and water can easily overflow. Furthermore, it is also easy for children to open, which may pose a certain safety hazard to children when there is boiling water.

[0003] 2. Some existing water dispensers have the top lid hinged to one side of the machine body via a hinge (hinging device), which is opened / closed by flipping. Some also have a simple lid opening button on the opposite side of the hinge (hinging device). This structure makes it inconvenient to clean the lid and inner liner. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a lid structure with reasonable structural design, convenient locking and unlocking, good sealing performance and stability after locking, and a water dispenser thereof.

[0005] The solution to the above technical problem is as follows:

[0006] A lid structure, belonging to a water dispenser component, includes a top ring and a sealing cover. The top ring has a ring hole in the middle, and the sealing cover is a detachable, openable sealing cover that fits into the ring hole. An elastic cover fastening device is provided between the side wall of the sealing cover and the inner wall of the ring hole.

[0007] The elastic cover fastening device includes a locking groove and an elastic telescopic locking tongue; the inner sidewall of the annular hole is provided with a locking groove; the sidewall of the sealing cover is movably connected to the elastic telescopic locking tongue in a transverse through-type manner, the outer end of the elastic telescopic locking tongue is inserted into the locking groove to fasten and lock, and the outer end of the elastic telescopic locking tongue is removed from the locking groove to unlock.

[0008] The sealing cover includes a soft rubber sealing ring, a bottom shell, a middle shell, and a top shell. The soft rubber sealing ring is clamped and fixed between the bottom shell and the middle shell. The bottom shell, the middle shell, and the top shell are stacked and fixedly connected in sequence. A cover cavity is formed between the middle shell and the top shell. The side wall of the middle shell is laterally connected with an elastic telescopic locking tongue.

[0009] The beneficial effects of this utility model's cover structure and its water dispenser are as follows: When the sealing cover is placed on the top of the top ring and closes the ring hole, it is locked by the elastic cover fastening device and will not loosen naturally, ensuring the sealing between the top ring and the sealing cover and preventing steam from spraying out from the gap between the top ring and the sealing cover when the water dispenser is boiling water; at the same time, the sealing cover will not loosen and fall off naturally, nor will it be pushed open by steam pressure, ensuring safe use; the elasticity of the elastic cover fastening device makes it easy to lock and unlock when closing and opening. Attached Figure Description

[0010] Figure 1 This is a perspective view of the product of this utility model;

[0011] Figure 2 This is a top view of the product of this utility model;

[0012] Figure 3 for Figure 2 A sectional view along the AA direction;

[0013] Figure 4 for Figure 2 BB direction sectional view;

[0014] Figure 5 , Figure 6 This is an exploded view of the top ring and sealing cap of the present utility model product;

[0015] Figure 7 , Figure 8 , Figure 9 , Figure 10 This is an exploded view of the top shell and knob of the product of this utility model;

[0016] Figures 11 to 14 This is an exploded view of the sealing cap of this utility model product;

[0017] Figure 15 , Figure 16 This is a perspective view of the product of this utility model applied to a water dispenser;

[0018] Figure 17 This is a schematic diagram of the product of this utility model applied to a water dispenser, with the sealing cover in the open state.

[0019] Top ring 1, ring hole 11, sealing ring surrounding step 12, sealing cover 2, soft rubber sealing ring 201, bottom shell 202, middle shell 203, eaves plate 2031, outer ring step 2032, top shell 204, round lower recess 2041, shell through hole 2042, horizontal bottom plate 2043, hole edge protruding ring 2044, cover cavity 205, concave cavity 206, positioning post 207, positioning element 208, arc-shaped spring 209, positioning groove 2091, limiting protrusion 2010, elastic cover body fastening device 3, locking groove 31, elastic lock Tongue 32, latch hole 321, telescopic latch 322, pull stop 3221, return spring 323, knob 324, vertical short post 3241, top flip-up cap 3242, hook assembly 3243, top handle 3244, ramp protrusion 3245, rib 3246, limiting concave angle 3247, spring pressing part 325, latch positioning device 326, left anti-detachment hook 3261, right anti-detachment hook 3262, first steam hole 41, second steam hole 42, third steam hole 43, silicone sealing ring 44. Detailed Implementation

[0020] like Figures 1 to 17 The following is a description of a lid structure, a component of a water dispenser, including a top ring 1 and a sealing cover 2. The top ring 1 is a ring-shaped component at the top of the water dispenser. The bottom of the top ring 1 is fixedly connected to the outer shell of the water dispenser. The bottom of the top ring 1 is also fixedly connected to the inner tank of the water dispenser. The top ring 1 is integrally injection molded. The top ring 1 has a central hole 11 for engaging with the inner tank of the water dispenser for filling, dispensing, and cleaning. The hole 11 is the spout of the water dispenser for filling, dispensing, and cleaning the inner tank. The sealing cover 2 is a detachable, openable type that fits into the hole 11 and is opened for filling, dispensing, and cleaning. Once opened, the sealing cover 2 can be completely opened. The main technical improvement of this product is that an elastic cover fastening device 3 is provided between the side wall of the sealing cover 2 and the inner wall of the ring hole 11. When the sealing cover 2 is closed on the top of the top ring 1 and the ring hole 11, it will not be loosened by the elastic cover fastening device 3, thus ensuring the sealing between the top ring 1 and the sealing cover 2 and preventing steam from spraying out from the gap between the top ring 1 and the sealing cover 2 when the water dispenser is boiling water. At the same time, the sealing cover 2 will not loosen and fall off by itself, nor will it be pushed open by steam pressure, ensuring safe use. The elasticity of the elastic cover fastening device 3 makes it easy to lock and unlock when closing and opening.

[0021] Preferably, the elastic cover fastening device 3 includes a locking groove 31 and an elastic locking tongue 32; the inner sidewall of the annular hole 11 is provided with a locking groove 31; the sidewall of the sealing cover 2 is movably connected to the elastic locking tongue 32 in a transverse through-type manner, the outer end of the elastic locking tongue 32 is inserted into the locking groove 31 to fasten and lock, and the outer end of the elastic locking tongue 32 is removed from the locking groove 31 to unlock; the above is a further refinement of the specific structure of the elastic cover fastening device 3, which is firmly locked, will not come off naturally, and will not be loose.

[0022] Preferably, there are two locking grooves 31 and two elastic locking tongues 32, with the two locking grooves 31 facing each other and the two elastic locking tongues 32 facing away from each other.

[0023] Preferably, the sealing cover 2 includes a soft rubber sealing ring 201, a bottom shell 202, a middle shell 203, and a top shell 204. The bottom shell 202, middle shell 203, and top shell 204 are made of plastic, and the soft rubber of the soft rubber sealing ring 201 is made of silicone. The soft rubber sealing ring 201 is clamped and fixed between the bottom shell 202 and the middle shell 203. The bottom shell 202, middle shell 203, and top shell 204 are sequentially stacked and fixedly connected. The bottom shell 202 and the middle shell 203 are connected by screws. The components are fixedly connected, with the middle shell 203 and the top shell 204 fixedly connected by screws. A covered cavity 205 is formed between the middle shell 203 and the top shell 204 for setting up the elastic locking tongue 32 and related components. The elastic locking tongue 32 is movably connected to the side wall of the middle shell 203 in a transverse through-type manner. The above is a further refinement of the specific structure of the sealing cover 2. This structure facilitates the setting of the elastic locking tongue 32, enabling the elastic locking tongue 32 to work flexibly and facilitating the fixing of the soft rubber sealing ring 201.

[0024] The elastic latch 32 includes a latch hole 321, a telescopic latch 322, a return spring 323, a knob 324, and a spring pressing member 325;

[0025] The top of the middle shell 203 has a recessed cavity 206 for installing the telescopic latch 322 and the return spring 323. After the middle shell 203 and the top shell 204 are closed, the recessed cavity 206 forms a covered cavity 205. The side wall of the middle shell 203 has a latch hole 321 that communicates with the recessed cavity 206. A latch positioning device 326 is provided on the recessed cavity 206. The latch positioning device 326 and the latch hole 321 are movably connected to the telescopic latch 322. 6 is used to limit and position the telescopic latch 322 to prevent it from slipping out. The front part of the telescopic latch 322 passes through the latch hole 321 and extends outward. The telescopic latch 322 is set horizontally. A spring pressing member 325 is integrally fixed in the cavity 206. A return spring 323 is pressed between the spring pressing member 325 and the rear part of the telescopic latch 322, so that the telescopic latch 322 has elasticity. The above is the specific structure of the elastic latch 32. This structure is reasonably designed, easy to assemble, low in cost, has good elasticity, and is flexible in telescopic movement.

[0026] The top shell 204 has a circular recess 2041 in the middle, and a limiting structure is provided at the bottom of the circular recess 2041. A shell through hole 2042 is provided in the middle of the limiting structure. The knob 324 includes a vertical short column 3241, a top flange cap 3242, a buckle hook assembly 3243, and a top handle 3244. The vertical short column 3241, the top flange cap 3242, and the buckle hook assembly 3243 are integrally injection molded. The lower section of the vertical short column 3241 has a circumferentially extended and gradually thickened sloping protrusion 3245, and the circumferential surface of the sloping protrusion 3245 is arc-shaped. A short, straight post 3241 passes downward through the shell through-hole 2042, and a ramp protrusion 3245 is in contact with the rear wall of the telescopic latch 322. The top flange cap 3242 fits perfectly into the round recess 2041 and is positioned by a limiting structure to prevent excessive sinking and support the knob 324. The reverse hook assembly 3243 passes downward through the shell through-hole 2042 and is hooked and movable to the reverse edge of the top shell 204 to prevent the knob 324 from coming off upward. A top handle 3244 is fixed to the top center of the top flange cap 3242 with a screw. The knob 324 can be positioned relative to the top shell 2042. 04. Rotating left and right circumferentially, the ramp protrusion 3245 pushes the telescopic latch 322 out and inserts it into the latch groove 31 to lock it in place; when the ramp protrusion 3245 is not pressing the telescopic latch 322, the return spring 323 rebounds and pulls the telescopic latch 322 inward, and the telescopic latch 322 exits the latch groove 31 to unlock it; in use, after the sealing cover 2 and the ring hole 11 are connected in place, hold the top handle 3244 and turn the knob 324 clockwise, the ramp protrusion 3245 rotates synchronously, the ramp protrusion 3245 gradually pushes the telescopic latch 322 out from the low position to the high position, and the return spring 323 is... When compressed, the telescopic bolt 322 is pushed out and inserted into the latch groove 31 to lock. When the handle 3244 is held and the knob 324 is turned in the opposite direction, the ramp protrusion 3245 rotates in the opposite direction. The ramp protrusion 3245 gradually moves from a high position to a low position, and the return spring 323 rebounds. The return spring 323 rebounds and pushes the telescopic bolt 322 inward, thus releasing the telescopic bolt 322 from the latch groove 31 to unlock. The above structure makes locking and unlocking easy, and the rotation of the bolt makes locking and unlocking convenient. At the same time, it is not easy to be opened by light touch, and children are not easy to open it with a single press, which improves safety.

[0027] Preferably, the vertical short column 3241 is a hollow tube with a bottom opening, and the inner wall of the hollow tube has a vertically protruding arc-shaped rib 3246; the top of the middle shell 203 has a protruding positioning post 207 extending from the middle, which is inserted into the inner bottom of the hollow tube to fit perfectly for rotating and positioning the knob 324, and is centrally positioned; the top of the positioning post 207 is fixedly connected to a positioning component 208 by screws, and the side wall of the positioning component 208 is circumferentially connected to an arc-shaped spring piece 209, and the side wall of the arc-shaped spring piece 209 has a vertically opened positioning groove 2091. When the knob 324 is rotated, the rib 3246 falls into the positioning groove 2091 for limiting and preventing disengagement, which is slightly locked and not easy to rotate out / loosen, and at the same time, it indicates that the rotation is in place.

[0028] The inner wall of the hollow tube column is provided with a limiting concave angle 3247; the positioning column 207 is integrally extended with a limiting protrusion 2010, which is inserted into the limiting concave angle 3247 to limit the left and right rotation angle of the knob 324 and prevent excessive rotation.

[0029] Preferably, the front section of the telescopic latch 322 extends with a blocking part 3221, which is arranged in the cavity 206. The blocking part is larger than the latch hole 321 to prevent the telescopic latch 322 from coming out. The outer section of the telescopic latch 322 is horizontally U-shaped, forming a fork structure. There are two latch holes 321, and the horizontal U-shaped fork of the telescopic latch 322 passes through the two latch holes 321.

[0030] Preferably, the limiting structure includes a horizontal base plate 2043 and a raised ring 2044 along the hole edge. The bottom of the circular recess 2041 is the horizontal base plate 2043, and the raised ring 2044 extends upward from the edge of the shell through hole 2042 to provide the required space for cooperation with the top flange cap 3242. The bottom of the top flange cap 3242 is movably connected to the horizontal base plate 2043, and the horizontal base plate 2043 supports the knob 324. The raised ring 2044 along the hole edge increases the contact area with the buckle hook assembly 3243 on the side wall, making the rotation more stable.

[0031] Preferably, the locking tongue positioning device 326 includes a plurality of left anti-detachment hooks 3261 and a plurality of right anti-detachment hooks 3262, with two to four left anti-detachment hooks 3261 and four right anti-detachment hooks 3262 respectively; the plurality of left anti-detachment hooks 3261 and the plurality of right anti-detachment hooks 3262 movably clamp the telescopic locking tongue 322, and the plurality of left anti-detachment hooks 3261 and the plurality of right anti-detachment hooks 3262 position the telescopic locking tongue 322 left and right, and the telescopic locking tongue 322 can only move forward and backward. This structure is easy to assemble, simple to design, and easy to manufacture.

[0032] Preferably, the inner wall of the annular hole 11 is provided with a sealing ring surrounding the step 12, and the soft rubber sealing ring 201 is pressed against the sealing ring surrounding the step 12, so that the soft rubber sealing ring 201 is horizontally pressed and supported, thereby improving the sealing effect.

[0033] Preferably, the edge of the middle shell 203 extends outward with a ring of eaves 2031, and an outer ring step 2032 is formed between the eaves 2031 and the vertical wall of the middle shell 203. The outer ring step 2032 fits and covers the top ring 1, so that the cover is flat. The edge of the top shell 204 and the edge of the eaves 2031 are fixedly connected by screws.

[0034] Preferably, the bottom shell 202 has a first steam hole 41, the middle shell 203 has a second steam hole 42, and the top shell 204 has a third steam hole 43, with the first steam hole 41, the second steam hole 42, and the third steam hole 43 connected in sequence; when the water dispenser boils water, the steam generated is released to the outside through the first steam hole 41, the second steam hole 42, and the third steam hole 43. The second steam hole 42 and the third steam hole 43 are sealed by a silicone sealing ring 44 to prevent steam from entering the cover cavity 205.

[0035] Preferably, the top ring has a vertically extending positioning rib on its annular hole wall; the outer wall of the middle shell 203 has a vertically opening positioning groove. When the sealing cover is closed on the top ring, the positioning groove is aligned with the positioning rib and interlocks with it for positioning, so that the user can quickly find the positioning point to close the sealing cover, and the locking groove and the elastic locking tongue can be quickly aligned.

[0036] A water dispenser including the aforementioned lid structure.

Claims

1. A lid structure, belonging to a water dispenser component, comprising a top ring and a sealing cover, wherein the top ring has a central annular hole, and the sealing cover is a detachable, openable sealing cover that fits into the annular hole, characterized in that: An elastic cover fastening device is provided between the side wall of the sealing cover and the inner wall of the annular hole.

2. The lid structure according to claim 1, characterized in that: The elastic cover fastening device includes a locking groove and an elastic locking tongue; the inner sidewall of the annular hole is provided with a locking groove; the sidewall of the sealing cover is movably connected to the elastic locking tongue in a transverse through-type manner, the outer end of the elastic locking tongue is inserted into the locking groove to fasten and lock, and the outer end of the elastic locking tongue is removed from the locking groove to unlock.

3. The lid structure according to claim 2, characterized in that: The sealing cover includes a soft rubber sealing ring, a bottom shell, a middle shell, and a top shell. The soft rubber sealing ring is clamped and fixed between the bottom shell and the middle shell. The bottom shell, the middle shell, and the top shell are stacked and fixedly connected in sequence. A cover cavity is formed between the middle shell and the top shell. The side wall of the middle shell is movably connected with an elastic locking tongue in a transverse through-type manner.

4. A lid structure according to claim 3, characterized in that: The elastic latch includes a latch hole, a telescopic latch, a return spring, and a knob; The top of the middle shell has a recessed cavity; the side wall of the middle shell has a horizontally opened latch hole that communicates with the recessed cavity; a latch positioning device is provided on the recessed cavity, and the latch positioning device and the latch hole are movably connected to a telescopic latch, the front part of the telescopic latch passes through the latch hole and extends outward, and the telescopic latch is horizontally set; a spring pressing member is fixed in the recessed cavity, and a return spring is pressed between the spring pressing member and the rear part of the telescopic latch, so that the telescopic latch has elasticity; The top shell has a circular recess in the middle, with a limiting structure at the bottom and a shell through hole in the middle of the limiting structure. The knob includes a vertical short post, a top flange cap, a buckle hook assembly, and a top handle. The lower section of the vertical short post extends circumferentially and protrudes with a gradually thickening sloping protrusion. The vertical short post passes downward through the shell through hole, and the sloping protrusion is in contact with the rear wall of the telescopic latch. The top flange cap is embedded in the circular recess and positioned by the limiting structure. The buckle hook assembly passes downward through the shell through hole and is hooked and movably connected to the reverse edge of the top shell. A top handle is fixed in the middle of the top of the top flange cap. The knob can rotate circumferentially relative to the top shell. When the sloping protrusion pushes the telescopic latch out and inserts it into the latch groove, it is locked. When the sloping protrusion does not press against the telescopic latch, the return spring rebounds and pulls the telescopic latch inward, and the telescopic latch exits the latch groove, thus unlocking.

5. A lid structure according to claim 4, characterized in that: The vertical short column is a hollow tube with a bottom opening, and the inner wall of the hollow tube has a vertically protruding arc-shaped rib. The top of the middle shell has a protruding positioning post that is inserted into the inner bottom of the hollow tube. The top of the positioning post is fixedly connected to a positioning component, and the side wall of the positioning component is circumferentially connected to an arc-shaped spring. The side wall of the arc-shaped spring has a vertically opened positioning groove. When the knob is rotated, the rib falls into the positioning groove for limiting and preventing it from falling off.

6. A lid structure according to claim 4, characterized in that: The front section of the telescopic latch extends to a blocking part, which is arranged in a recessed cavity. The limiting structure includes a horizontal base plate and a hole-edge protruding ring. The bottom of the circular concave part is the horizontal base plate, and the hole-edge protruding ring extends upward from the hole edge of the shell through hole. The top flange cap is movably connected to the horizontal base plate.

7. A lid structure according to claim 4, characterized in that: The locking tongue positioning device includes several left-side anti-detachment hooks and several right-side anti-detachment hooks. The several left-side anti-detachment hooks and several right-side anti-detachment hooks movably clamp the telescopic locking tongue, and the telescopic locking tongue can only move back and forth.

8. A lid structure according to claim 4, characterized in that: The inner wall of the annular hole is provided with a sealing ring surrounding step, and the soft rubber sealing ring presses against the sealing ring surrounding step.

9. A lid structure according to claim 3, characterized in that: The middle shell has an eaves extending outward from its edge. An outer ring step is formed between the eaves and the vertical wall of the middle shell. The outer ring step fits and covers the top ring. The edge of the top shell is fixedly connected to the edge of the eaves.

10. A water dispenser, characterized in that: The lid structure includes any one of claims 1 to 9.

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