JPH0532019Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a so-called regular coffee extraction system that extracts coffee by passing hot water through ground beans, and particularly relates to the structure of an apparatus for extracting coffee.

[Prior Art] As shown in FIG. 1, a coffee brewing device generally includes a device frame 1 provided with a hot water supply mechanism 2 for brewing coffee, and a device for guiding the movement of a container, that is, a brewer chamber 3. Guide member 4
is attached. In this extraction device, after filling the brewer chamber 3 with ground beans at the position indicated by the dashed line in the figure, the hot water supplied to the cylinder 5 is force-fed by the piston 6, and the brewer chamber 3 is filled with the ground beans at the position indicated by the solid line in the figure. It is extracted by passing hot water through ground beans. In a coffee brewing device having such a structure, the guide members including the brewer chamber 3 are easily contaminated by coffee powder and the like. Therefore, the guide member 4 is generally designed to be detachable from the device frame 1 in order to clean or wash this part.

Here, a conventional example of a structure for attaching a guide member to an apparatus frame will be described with reference to FIGS. 2a and 2b.

As shown in FIG. 2a, the guide member 4 has two upper and lower parts.
It consists of a book guide rod 41 and a fixing base 42 for supporting the guide rod 41 via the device frame 1. A pair of arm portions 421 protrude from the upper and lower side ends of the fixing base 42, and a disc-shaped member 422 is provided at the tip thereof. A through hole is provided in the center of the disc-shaped plate member 422, and a bottomed cylindrical body is embedded therein. Furthermore, as shown in FIG. 2b, a ball 424 supported by a coil spring 423 is disposed in this bottomed cylindrical body, and a portion of the ball 424 protrudes. Further, a pair of opposing key-shaped stopper portions 11 are provided at one end of the device frame 1, and holes 111 are provided in both stopper portions 11 at opposing positions.

The installation is carried out by inserting the pair of arms 421 of the fixing base 42 into the space formed by the pair of stopper parts 11 so that the upper and lower balls 424 fit into the holes 111 provided in the upper and lower stopper parts 11, respectively. do. Then, since the ball 424 is biased by the spring 423, a portion of the upper part of the ball 424 fits into the hole 111. In this way, the guide member member 4 can be attached to the device frame 1. Note that, referring to FIG. 1, the other end of the guide rod 41 is fitted into a hole provided in the support wall 12 extending in the vertical direction from the other end of the device frame 1.

[Problems to be solved by the invention] In the above-described structure, although it is easy to attach and detach the guide member 4 to the device frame 1, the above-mentioned ball does not fit into the hole 111 of the stopper part 11 on both the upper and lower sides.
Since it is only slightly inserted into the cup, it may easily come off if a slight external force such as vibration is applied, which may cause an unexpected accident while brewing coffee.

Therefore, the purpose of the present invention is to not only make the guide member removable from the device frame, but also to enable the guide member to be attached to the device frame,
To provide a coffee brewing device having a structure in which a guide member does not easily fall off from the device frame.

[Means for Solving the Problems] According to the present invention, there is provided an apparatus that includes a guide member that guides the movement of a container that receives ground coffee grains, and a mechanism that supplies hot water to the container to extract coffee. In the coffee brewing device including a frame, the guide member includes a guide rod that guides movement of the container, and a fixing base having a pair of upper and lower arms and supporting the guide rod on the device frame. A pin is provided on each of the pair of arms so as to protrude away from each other, and the pin is biased by an elastic member interposed between the pair of arms through a through hole provided in the arm. established,
The apparatus frame is provided with a receiving part into which the pair of arms can be inserted, and a hole into which the pin can be inserted, and the pin is further inserted against the biasing force of the elastic member. There is obtained a coffee brewing device characterized in that it is provided with a handle for detaching from the hole.

[Example] Hereinafter, the present invention will be explained by referring to an example.

As described above, a filter stand having a filter and a brewer chamber are slidably attached to a pair of guide rods arranged vertically in parallel. Since these drive mechanisms are the same as those of the conventional ones, their explanations will be omitted.

A fixing base is attached to one end of the guide rod, and this fixing base is locked to one end of the device frame as described later.

Referring to FIG. 3, a pair of insertion holes 121 are provided in the support wall 12 provided perpendicularly to the device frame 1 at the lower end of the other side of the device frame 1. As shown in FIG. After inserting the other end of the guide rod into the insertion hole 121 of the guide member, the fixing base is locked to one end of the device frame 1.

As shown in FIG. 2a, a fixing base 42 is attached to one end (right end) of the guide rod 41, and a pair of arm parts 421 extending in a predetermined direction are attached to the upper and lower side ends of this fixing base. is provided. A disk-shaped member 422 is provided at the tip of this arm portion 421.

Here, referring to FIG. 4, a pair of extending portions 13 are provided at one side end of the device frame (not shown), and each extending portion 13 extends outward from the one side end.
are provided with through holes 131 extending in the vertical direction at positions facing each other.

A through hole extending in the vertical direction is provided in the center of each disc-shaped member 422, and the disc-shaped member 422 shown in the lower part of the figure
A pin-shaped member 426 having a cylindrical column portion 426a whose tip end can be fitted into the through hole 131 is slidably arranged in the through hole 22.
In addition, a stopper 427 formed by a flange is formed at the upper end of the pin-shaped member 426, and this stopper 427
27 is in contact with the upper end of the lower disc-shaped member 422, the columnar part 426a of the pin-shaped member 426
protrudes from the lower end of the disc-shaped member 422. A pin 427' for locking a coil spring 430, which will be described later, is provided on the top surface of the stopper 427.
is formed.

Moreover, in the through hole of the upper disc-shaped member 422,
A pin-shaped terminal 428 whose tip part is formed into a cylindrical shape and whose lower part has a hollow part hollowed out into a cylindrical shape.
are slidably arranged. This pin-shaped terminal 4
A pin 428' that can be fitted into the through hole 131 is provided at the upper end of the pin 28. In addition, the pin-shaped terminal 4
A flange is formed at the lower end of 28 , and a portion of this flange projects slightly outward from the lower edge of disc-shaped member 422 to form a handle portion 429 . When the handle portion 429 is in contact with the lower end of the upper disc-shaped member 422, the pin 428' projects from the upper end of the upper disc-shaped member 422.

Furthermore, a pin-shaped member 426 and a pin-shaped terminal 428
A coil spring 430 is disposed between them to urge them apart from each other. Therefore, when inserting the arm portion 421 of the fixing base 42 into the space formed by the pair of extension portions 13 provided on the device frame 1, the cylindrical portion 426a of the pin-shaped member 426 and the pin-shaped terminal 428 The fixing base can be attached to the apparatus frame by fitting the pin 428' into the through hole 131 provided in the extension part 13. Furthermore, the pin-shaped terminal 42
Push down the handle part 429 provided on the pin-shaped member 426 .
31 upward at the same time, the fixing base can be easily removed from the device frame. Furthermore, since both pin-like members are formed into a cylindrical shape, they do not easily come off due to vibrations from the outside, and can stably support the guide member.

[Effects of the invention] As explained above, according to the invention, not only can the guide member be easily attached and detached from the device frame, but also the guide member can be stably attached to the device frame when the guide member is attached to the device frame. Since the guide member can be supported by the guide member, there is almost no fear that the guide member will come off the device frame even if an excessive force such as vibration from the outside is applied.

[Brief explanation of the drawing]

FIG. 1 is a schematic structural diagram of an example of a coffee brewing device, FIG. 2 a is a diagram showing a structure for attaching a conventionally used guide member to the device frame,
Fig. 2b is a sectional view taken along the line A-A' in Fig. 2a, Fig. 3 is a partial view of the device frame, and Fig. 4 is a vertical sectional view of the essential parts of an embodiment of the present invention. be. 1... Equipment frame, 2... Hot water supply mechanism, 3...
Brewer chamber, 4... Guide member, 5... Cylinder, 6... Piston, 41... Guide rod, 4
2...Fixed base, 421...Arm part.

Claims (1)

[Scope of utility model registration request] A coffee brewing device including a guide member that guides the movement of a container that receives ground coffee grains, and a device frame that includes a mechanism that supplies hot water to the container to extract coffee, wherein the guide member and a fixing base having a pair of upper and lower arms for supporting the guide rod on the device frame, and an elastic member interposed between the pair of arms. The device frame is provided with pins that protrude away from each other through through holes formed in the arm portions, and the device frame is formed with a receiving portion into which the pair of arm portions can be inserted, and the receiving portion is formed with a hole into which the pin can be inserted, and when the guide member is attached to the device frame, the amount of protrusion of the pin from the through hole is defined, and when the guide member is removed from the device frame, the pin is inserted into the hole. A coffee brewing device comprising: a handle for removing the coffee from the hole against the biasing force of the elastic member.