TWM503860U - Press-filtering net structure of brewing device - Google Patents

Description

Filter screen structure of brewing device

The present invention relates to a filter press used in a brewing device, and more particularly to a filter press improved structure having a slower liquid resistance and better isolation residue.

A brewing device currently on the market is an appliance that can be used to facilitate the brewing of tea or coffee. The structure is generally in the body of a cup and cooperates with a filter screen as a piston, the center of the filter screen. A rod is connected to the upper part, a handle is arranged at the upper end of the rod, and the outer diameter of the filter screen is provided with an isolation ring, and the filter screen is placed in the cup body to make the isolation ring contact the inner diameter of the cup body. When using, put tea or coffee powder into the cup body and flush into boiling water, and then put the filter press into the cup body. The user may need to operate the filter press through the handle and the rod to move up and down in the cup body to make the tea. Or the coffee ingredients dissolve faster; after the brewing is completed, press the filter press down into the cup to press the tea or coffee grounds to the bottom of the cup, and the brewed tea or coffee is filtered through the filter press. Enter the cup inside the filter press to drink the tea or coffee.

The filter press screen of the conventional brewing device is a flat disc body. Therefore, when the filter press screen presses the liquid in the cup body in the cup body, the liquid system acts on every point below the filter press screen. That is, the liquid system acts vertically on the lower surface of the filter screen, so that the filter screen is subjected to the maximum resistance of the liquid when moving downward, which directly affects the smoothness of the reciprocating movement of the piston press filter, especially the filter screen is under When moving closer to the bottom of the cup, it is more difficult to press down.

In addition, the isolation ring of the conventional brewing device is a ring similar to a coil spring surrounding the filter ring, and its main purpose is to reduce the frictional resistance by the line contact between the outer diameter of the wire and the inner wall surface of the cup. , allowing the filter ring to move back and forth within the cup; however, Because of the gap between the wires in the form of coil springs, the tea residue or coffee grounds will enter the cup above the filter press ring through the gap to mix the brewed tea or coffee, affecting the taste of drinking, and the residue is easy. It is stuck in this gap and is not easy to clean.

One of the purposes of the present invention is to provide a modified structure of a pressure filter that can reduce the resistance of the liquid in the cup to the pressure filter when the filter press is reciprocated in the cup of the brewing device. .

Another object of the present invention is to provide a modified structure of a filter press which can more effectively isolate the residue when the filter press is reciprocated in the cup of the brewing device.

One of the features of the present invention is that a curved surface is formed under the filter press combined with the cup of the brewing device, whereby the liquid acts on the filter press at a non-perpendicular angle when the filter press is moved downward toward the liquid. The lower surface of the net reduces the resistance of the liquid and makes the reciprocating movement of the filter screen in the cup more smooth.

Another feature of the present invention is that a sealing ring is arranged around the filter screen, so that when the pressure filter ring is assembled in the cup body, the sealing ring is completely in contact with the inner diameter surface of the cup body, thereby avoiding the filter ring in the cup body. When reciprocating, the residue enters the filtered liquid through the gap between the outer diameter of the filter ring and the inner wall of the cup, and does not cause the residue to be stuck, and the cleaning is very easy.

The technical means of the present invention is that the filter press structure used in the brewing device is configured to include a net frame and a net body, and the net body is combined with the net frame to form a filter press having a curved end at the lower end. With the structure, when the filter press is pressed down to the liquid in the cup body, the liquid system acts on the filter press at an angle non-perpendicular to the lower surface of the filter screen to disperse the force, thereby reducing the liquid resistance. The movement of the filter press is smoother.

In a preferred embodiment, the present invention forms the lower end of the filter press into a semi-spherical surface.

Another technical means of the present invention is to set the sealing ring provided around the filter filter ring to have an axial cross section and have an upper ring piece and a lower ring piece, and the upper ring piece and the lower ring piece are Between the upper ring piece and the lower end piece of the lower ring piece facing away from the center; by this structure, when the filter ring is fitted into the cup body, the free end of the upper ring piece and the lower ring piece It is in contact with the inner wall surface of the cup. No matter whether the filter ring moves up or down, the residue will not pass through the periphery of the filter ring, thus ensuring that the liquid passing through the filter ring contains no residue and the residue will not get stuck. Easy to clean around the filter ring.

1‧‧‧Filter screen

11‧‧‧ net frame

110‧‧‧Circle

12‧‧‧ net body

13‧‧‧Base

131‧‧‧Bump

14‧‧‧Seal ring

141‧‧‧Upper Ring

142‧‧‧ Lower ring

143‧‧ ‧ gap

2‧‧‧ cup body

3‧‧‧Upper cover

31‧‧‧through hole

4‧‧‧ Nuts

41‧‧‧Upper hole

42‧‧‧ recessed hole

5‧‧‧ rods

51‧‧‧ external thread

6‧‧‧Hands

61‧‧‧ hole

Fig. 1 is a plan sectional exploded view showing the structural relationship of the filter screen used in the present invention, and Fig. 2 is a plan sectional view showing the structure of the filter screen used in the present invention; A top plan view showing the shape of the cup of the brewing device of the present invention; FIG. 4 is a perspective exploded view showing the filter structure of the present invention and its combination with the rod and the handle; and FIG. 5 shows the creation of the present invention. The filter structure and its perspective view combined with the rod and the handle.

The implementation of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement the present specification after studying the present specification.

As shown in Fig. 1, the filter press structure provided by the present invention is used for brewing a tea or coffee brewing device, wherein the brewing device comprises a press filter 1, a cup body 2, and an upper cover 3 a nut 4, a rod 5 and a handle 6; wherein the cup 1 is a container for holding drinks such as water, tea, coffee, etc., which can be made of glass or food grade plastic material, and the outer side thereof The handle has a handle that can be easily taken by hand, and has a water discharge guide groove on one side of the upper end edge, and the inner diameter of the cup body 2 allows the filter press screen 1 to reciprocate therein. The upper surface of the cup body 2 can be covered with an upper cover 3 (as shown in Figs. 2 and 3). The center of the upper cover 3 is provided with a through hole 31. The diameter of the through hole 31 is just enough for the rod member 5 to pass through, and the rod 5 can be Where free axial movement.

As shown in FIGS. 1 and 4, the filter press 1 of the present invention includes a frame 11 The net frame 11 is formed in an integrally formed manner into a shape in which the lower end is curved and the upper end is open; preferably, the net frame 11 is connected to the ring by an upper end ring. The lower plurality of ribs are configured to form a semi-spherical sphere, and a mesh body 12 is joined to the upper or inner side of each rib of the frame 11; the mesh body 12 is a mesh having a suitable aperture for filtering tea leaves or coffee grounds. After the net body 12 is coupled to the net frame 11, a filter screen 1 having a semi-spherical sphere below is formed.

The center of the upper frame 11 is provided with a protruding base 13 and the center of the base 13 is A stud 131 of a suitable length is vertically extended upward, and an upper end of the stud 131 extends axially downward to a depth, and an inner thread is formed at an inner diameter of the extended depth. The boss 131 is used to engage a nut 4 combination rod 5 having an upper screw hole 41 at the upper end and a lower recess 42 at the lower end. The inner diameter of the lower recess 42 is larger than the upper screw. The inner diameter of the hole 41 is such that the stud 131 can be inserted into the lower recess 42 from the bottom but not through the upper screw hole 41; the lower end of a rod 5 is provided with an external thread 51, which can be screwed to The upper screw hole 41 and the inner screw of the boss 131; the upper end of the rod 5 is inserted into the hole 61 provided under the handle 6, and the user can hold the handle 6 and press the filter through the operation of the rod 5. 1.

A sealing ring 14 is embedded in the outer edge of the frame 11 near the upper end, and the sealing ring The ring 14 can be made into a ring-shaped body by using a food grade silicone material, and the axial section of the sealing ring 14 is formed into a meander shape and has an upper ring piece 141 and a lower ring piece 142, and the upper ring piece 141 and the lower ring piece There is a spacing groove 143 between the sheets 142, and the free ends of the upper ring piece 141 and the lower ring piece 142 are oriented away from the center side.

The combination and use of the filter press 1 and the cup 2 and other accessories of the present invention are as follows: First, the upper end of the rod 5 is combined into the hole 61 of the handle 6 by compression or screwing, and the rod is After the lower end of the lower end 31 passes through the through hole 31 of the upper cover 3, the external thread 51 of the lower end of the rod member 5 is screwed to the upper screw hole 41 of the nut 4, and the lower end of the rod member 5 passes through the upper screw hole. 41, the lower end of the rod member 5 enters the lower recessed hole 42, and then the external thread 51 is screwed into the inner thread of the boss 131 that is inserted into the recessed hole 42 to connect the rod member 5 and the filter screen 1 together. ; the outer edge of the frame 11 is fitted The sealing ring 14 is shown in the form of a combination as shown in Fig. 5.

In use, the tea or coffee powder is placed in the cup 2 and flushed into the boiling water, then the filter screen 1 is placed in the cup body 2, and finally the upper cover 3 is placed over the cup mouth, and the user can hold the handle 6 The pressure filter 1 is operated to move up and down through the rod 5 to make the tea or coffee quickly dissolve the ingredients to form tea or coffee food, and the tea or coffee drink can enter the inner space of the cup 1 above the filter ring 1 through the net body 12, and the residue It is then filtered by the mesh body 12 and located below the filter screen 1. In addition, the outer diameter of the filter screen 1 is contacted with the inner surface of the cup 2 by the ring piece 141 and the lower ring piece 142 above the sealing ring 14 (as shown in FIG. 2), so that the outer diameter of the filter screen 1 and the cup A double sealing effect is obtained between the inner diameters of the body 2, that is, there is no gap between the outer diameter of the filter screen 1 and the inner diameter of the cup 2, and the residue does not pass between the outer diameter of the filter screen 1 and the inner diameter of the cup 2. There is no problem that the residue is stuck and the cleaning is not easy. In addition, since the filter press screen of the present invention is a one-piece structure, that is, the whole is integrated at the time of manufacture, which is different from the three-piece structure of a filter press of a similar product, and thus, compared with the conventional product It is even easier to get stuck and better clean.

The above description is only for the purpose of explaining the preferred embodiment of the present invention, and is not intended to impose any form of limitation on the creation, so that any modification or alteration of the creation made in the same creative spirit is provided. , should still be included in the scope of protection of this creative intent.

1‧‧‧Filter screen

11‧‧‧ net frame

12‧‧‧ net body

14‧‧‧Seal ring

141‧‧‧Upper Ring

142‧‧‧ Lower ring

2‧‧‧ cup body

3‧‧‧Upper cover

5‧‧‧ rods

6‧‧‧Hands

Claims (3)

The filter press structure of a brewing device comprises a net frame and a net body, the net body is coupled to the net frame, and the outer diameter of the net frame is provided with a sealing ring, wherein the net body and the net body The common frame of the frame constitutes a pressure filter screen having a curved surface at the lower end. The filter press structure of the brewing device according to the first aspect of the invention, wherein the lower end of the filter press is a semi-spherical surface. The filter press structure of the brewing device according to claim 1, wherein the seal ring has an axial cross section and has an upper ring piece and a lower ring piece, and the upper ring piece and the lower ring piece There is a spacing groove between the sheets, and the free ends of the upper ring piece and the lower ring piece are oriented away from the center side.