Coffee machine funnel sealing structure
By designing a funnel-shaped sealing ring with a water bladder and using multiple sealing parts, the problems of deformation, wear, and frequent leakage of existing coffee machine funnel sealing rings have been solved, achieving low-force locking and high sealing performance.
Patent Information
- Application Number
- CN202423084865.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing coffee machine funnel sealing rings are difficult to deform, requiring users to use considerable force to tighten them, and are prone to wear and frequent leaks.
A coffee machine funnel sealing structure is designed, which uses a funnel sealing ring with a water bladder cavity. Liquid is filled through the first seepage channel to deform the funnel. Multiple sealing parts cooperate with the sealing groove to reduce the locking force and improve the sealing performance.
Users can tighten it with minimal force, reducing wear on the funnel sealing ring, lowering the risk of leakage, and ensuring a tight seal.
Smart Images

Figure CN223554661U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coffee equipment, specifically to a coffee machine funnel sealing structure. BACKGROUND
[0002] The patent document with the announcement number CN214230933U discloses "a brewing device of coffee machine", and its specific content includes "a brewing device of coffee machine, which comprises: a brewing head assembly, the brewing head assembly comprises a brewing head, the brewing head is provided with a mounting cavity and a connecting table at the bottom, and the connecting table is arranged in the mounting cavity; a sealing assembly, the sealing assembly comprises a first sealing ring and a second sealing ring, the first sealing ring and the second sealing ring are both sleeved on the connecting table, and the second sealing ring is located below the first sealing ring and has an outer diameter smaller than that of the first sealing ring; a water uniformizing assembly, the water uniformizing assembly is arranged at the bottom of the connecting table; a funnel assembly, the funnel assembly is installed in the mounting cavity, and the upper end of the funnel assembly is pressed against the first sealing ring, and the inner wall of the funnel assembly is pressed against the second sealing ring".
[0003] The first sealing ring and the second sealing ring both adopt end face sealing, so that the deformation difficulty of the first sealing ring and the second sealing ring is relatively large, the user needs relatively large force when locking the brewing head, the use is not convenient enough, and the first sealing ring and the second sealing ring are relatively easy to wear and tear, and the water leakage phenomenon is easy to occur.
[0004] Therefore, it is necessary to further improve. UTILITY MODEL CONTENT
[0005] The utility model aims at overcoming the defects of the prior art, and provides a coffee machine funnel sealing structure, so that the user can realize the locking and fixing of the brewing head and the powder bowl through relatively small force, the wear and tear of the funnel sealing ring is relatively small, and the opportunity of water leakage is reduced.
[0006] The utility model is implemented in the following manner:
[0007] A coffee machine funnel sealing structure, which comprises a brewing head and a powder bowl, a funnel sealing ring is arranged between the brewing head and the powder bowl, one side of the funnel sealing ring facing the powder bowl is tightly matched with the powder bowl, a first sealing part and a water bag cavity are arranged on the side of the funnel sealing ring facing the brewing head, a first water permeation channel allowing liquid to pass through and enter the water bag cavity is formed between the first sealing part and the brewing head, and the water bag cavity can be filled with liquid through the first water permeation channel to deform the funnel sealing ring and tightly match the first sealing part with the brewing head.
[0008] As a specific scheme, a second sealing part is arranged on the upper side of the funnel sealing ring, a sealing groove corresponding to the second sealing part is arranged on the brewing head, the second sealing part is tightly matched with the sealing groove, the first sealing part is arranged on the lower side of the funnel sealing ring, and the water bag cavity is arranged at a position between the first sealing part and the second sealing part.
[0009] As a specific scheme, the third sealing part is arranged on the funnel sealing ring corresponding to the water bag cavity, and the thickness of the third sealing part is smaller than that of the first sealing part.
[0010] As a specific scheme, the water receiving net is arranged on the bottom of the brewing head corresponding to the position above the powder bowl.
[0011] As a specific scheme, the water receiving net is arranged on the bottom of the brewing head corresponding to the position above the powder bowl.
[0012] As a specific scheme, the water receiving net is arranged on the bottom of the brewing head corresponding to the position above the powder bowl.
[0013] As a specific scheme, the water receiving net is arranged on the bottom of the brewing head corresponding to the position above the powder bowl.
[0014] As a specific scheme, the water receiving net is arranged on the bottom of the brewing head corresponding to the position above the powder bowl.
[0015] As a specific scheme, the water receiving net is arranged on the bottom of the brewing head corresponding to the position above the powder bowl.
[0016] The beneficial effects of the present application are as follows:
[0017] Since the funnel sealing ring has the water bag cavity, the funnel sealing ring is relatively easy to deform, and the user only needs relatively small force to lock and fix the powder bowl and the brewing head, the wear of the funnel sealing ring is relatively small, the opportunity of water leakage is reduced, and the liquid entering the water bag cavity through the first water permeation channel can expand the funnel sealing ring, thereby ensuring the sealing between the funnel sealing ring and the brewing head and the powder bowl. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The present application is a cross-sectional schematic diagram.
[0019] Figure 2 The present application is a cross-sectional schematic diagram. Figure One .
[0020] Figure 3 The present application is a cross-sectional schematic diagram. Figure Two .
[0021] Figure 4 The present application is a cross-sectional schematic diagram.
[0022] Figure 5 The enlarged view of the embodiment A of the utility model.
[0023] Figure 6 The enlarged view of the embodiment B of the utility model. DETAILED DESCRIPTION
[0024] The utility model will be further described in connection with the drawings and embodiments.
[0025] Reference Figures 1-6 , the coffee machine funnel sealing structure, including brewing head 1 and powder bowl 2, is equipped with funnel sealing ring 3 between brewing head 1 and powder bowl 2, and the side of funnel sealing ring 3 towards powder bowl 2 is tightly matched with powder bowl 2, and the side of funnel sealing ring 3 towards brewing head 1 is equipped with first sealing portion 31 and water bag cavity 34, and first sealing portion 31 and brewing head 1 form first water permeation channel 11 that can make liquid pass through and enter water bag cavity 34, and water bag cavity 34 can fill liquid through first water permeation channel 11 to make funnel sealing ring 3 deform and make first sealing portion 31 tightly match with brewing head 1, because funnel sealing ring 3 has water bag cavity 34, funnel sealing ring 3 is relatively easy to deform, and user can make powder bowl 2 and brewing head 1 realize locking and fixing with relatively small force, the abrasion of funnel sealing ring 3 is relatively small, reduces the opportunity of water leakage, and moreover, liquid can make funnel sealing ring 3 expand after entering water bag cavity 34 through first water permeation channel 11, to guarantee the sealing property between funnel sealing ring 3 and brewing head 1 and powder bowl 2.
[0026] Further, the upside of funnel sealing ring 3 is equipped with second sealing portion 32, brewing head 1 is equipped with sealing groove 13 corresponding to second sealing portion 32, second sealing portion 32 and sealing groove 13 tightly match, first sealing portion 31 is arranged at the downside of funnel sealing ring 3, and water bag cavity 34 is arranged at the position between first sealing portion 31 and second sealing portion 32, to further improve the sealing property between the whole of funnel sealing ring 3 and brewing head 1.
[0027] Further, the position of funnel sealing ring 3 corresponding to water bag cavity 34 is equipped with third sealing portion 33, and the thickness of third sealing portion 33 is less than the thickness of first sealing portion 31, and powder bowl 2 and third sealing portion 33 tightly match, because the thickness of third sealing portion 33 is relatively thin, when being extruded by powder bowl 2, it has better flexibility, can further reduce the force of user when locking powder bowl 2 and brewing head 1, and can make funnel sealing ring 3 and powder bowl 2 and brewing head 1 more closely match, even if powder bowl 2 and brewing head 1 have small flaws when locking and fixing, it does not affect the overall sealing property.
[0028] Further, the bottom of the brewing head 1 is provided with a water receiving net 4 corresponding to the position above the powder bowl 2, the water receiving net 4 is provided with a mesh 41, the water receiving net 4 can reduce the speed of hot water entering the powder bowl 2, and reduce the opportunity of the coffee powder in the powder bowl 2 being lifted up.
[0029] Further, the water receiving net 4 has a spacing with the bottom of the brewing head 1 and forms a second water permeation channel 12, the second water permeation channel 12 is respectively communicated with the water inlet end of the brewing head 1 and the first water permeation channel 11, the water receiving net 4 can guide part of the liquid to the water bag cavity 34 through the second water permeation channel 12, and the funnel sealing ring 3 can be quickly matched with the brewing head 1 through deformation when the brewing head 1 starts to discharge water.
[0030] Further, the water receiving net 4 is provided with a flow guide inclined surface 42 at the center position, the flow guide inclined surface 42 is inclined downward along the radial direction of the water receiving net 4 outward from the center, which can improve the efficiency of the liquid flowing to the second water permeation channel 12 when passing through the water receiving net 4, and the liquid can enter the powder bowl 2 more uniformly.
[0031] Further, the lower side of the powder bowl 2 is connected with a liquid outlet funnel 5, the brewing head 1 is fixedly connected with a funnel support 6, the liquid outlet funnel 5 is detachably connected with the funnel support 6, and the coffee liquid passing through the powder bowl 2 can be discharged outward through the liquid outlet funnel 5.
[0032] Further, the upper side of the powder bowl 2 is provided with a hanging part 21, the cross section of the hanging part 21 is in an inverted U-shaped shape, the hanging part 21 abuts against the upper side of the liquid outlet funnel 5, and the powder bowl 2 and the liquid outlet funnel 5 are detachably connected, so that the powder bowl 2 and the liquid outlet funnel 5 can be quickly disassembled and assembled.
[0033] Further, the liquid outlet funnel 5 is locked and fixed with the funnel support 6, so as to push the hanging part 21 of the powder bowl 2 to press the third sealing part 33, and the user can simultaneously make the powder bowl 2 and the funnel sealing ring 3 closely match when installing the liquid outlet funnel 5.
[0034] The above embodiment is only a preferred scheme of the present application, and the present application can have other embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present application, and these equivalent modifications or substitutions are all included in the scope set by the claims of the present application.
Claims
1. A coffee maker funnel sealing structure, comprising a brewing head (1) and a powder bowl (2), a funnel sealing ring (3) being arranged between the brewing head (1) and the powder bowl (2), characterized in that, The side of the funnel sealing ring (3) facing the powder bowl (2) is tightly matched with the powder bowl (2), the side of the funnel sealing ring (3) facing the brewing head (1) is provided with a first sealing part (31) and a water bag cavity (34), the first sealing part (31) and the brewing head (1) form a first water permeation channel (11) capable of allowing liquid to pass through and enter the water bag cavity (34), and the water bag cavity (34) can be filled with liquid through the first water permeation channel (11) to deform the funnel sealing ring (3) and tightly match the first sealing part (31) with the brewing head (1).
2. The coffee maker funnel sealing structure of claim 1, wherein: The upper side of the funnel sealing ring (3) is provided with a second sealing part (32), the brewing head (1) is provided with a sealing groove (13) corresponding to the second sealing part (32), the second sealing part (32) is tightly matched with the sealing groove (13), the first sealing part (31) is arranged on the lower side of the funnel sealing ring (3), and the water bag cavity (34) is arranged at a position between the first sealing part (31) and the second sealing part (32).
3. The coffee maker funnel sealing structure according to claim 1 or 2, characterized in that: The funnel sealing ring (3) is provided with a third sealing part (33) at a position corresponding to the water bag cavity (34), the thickness of the third sealing part (33) is smaller than the thickness of the first sealing part (31), and the powder bowl (2) is tightly matched with the third sealing part (33).
4. The coffee maker funnel sealing structure of claim 3, wherein: The bottom of the brewing head (1) is provided with a water receiving net (4) corresponding to a position above the powder bowl (2), and the water receiving net (4) is provided with mesh holes (41).
5. The coffee maker funnel sealing structure of claim 4, wherein: The water receiving net (4) has a spacing from the bottom of the brewing head (1) and forms a second water permeation channel (12), and the second water permeation channel (12) is respectively communicated with a water inlet end of the brewing head (1) and the first water permeation channel (11).
6. The coffee maker funnel sealing structure of claim 5, wherein: The center position of the water receiving net (4) is provided with a flow guide inclined surface (42), and the flow guide inclined surface (42) is arranged downwardly inclined along the radial direction outward of the center of the water receiving net (4).
7. The coffee maker funnel sealing structure of claim 4, wherein: The lower side of the powder bowl (2) is connected with a liquid outlet funnel (5), the brewing head (1) is fixedly connected with a funnel support (6), and the liquid outlet funnel (5) is detachably connected with the funnel support (6).
8. The coffee maker funnel sealing structure of claim 7, wherein: The upper side of the powder bowl (2) is provided with a hanging part (21), the cross section of the hanging part (21) is in an inverted U-shaped shape, the hanging part (21) abuts against the upper side of the liquid outlet funnel (5), and the powder bowl (2) is detachably connected with the liquid outlet funnel (5).
9. The coffee maker funnel sealing structure of claim 8, wherein: The liquid outlet funnel (5) can push the hanging part (21) of the powder bowl (2) to extrude the third sealing part (33) by being locked and fixed with the funnel support (6).
Citation Information
Patent Citations
Brewing device of coffee machine
CN214230933U