CN217827529U - Beverage extraction device - Google Patents

Abstract

The utility model relates to a beverage extraction device, which comprises a first machine part, wherein the side part of the first machine part is provided with a clamping hook, and the upper part of the clamping hook is provided with a hook part extending along the front-back direction; the second machine part can be hinged to the rear end of the first machine part in a vertically rotating mode and can be opened or closed relative to the first machine part, a strip-shaped hole extending front and back is formed in the side wall of the front part of the second machine part, and a locking shaft capable of moving front and back and being hooked by the hook part penetrates through the strip-shaped hole; the driving mechanism is used for driving the second machine member to rotate up and down and the locking shaft to move back and forth; the limiting structure is used for limiting the forward movement of the locking shaft and releasing the forward movement limitation of the locking shaft when the second machine element drives the locking shaft to rotate to the middle position between the fully-opened position and the closed position, so that the beverage extraction device can reduce the processing precision requirement and cost, has higher assembly precision and can reduce the power output quantity of the driving mechanism.

Description

Beverage extraction device

Technical Field

The utility model relates to a beverage extraction technical field, concretely relates to beverage extraction device for preparing beverages such as coffee, tea.

Background

With the increasing living standard of people, various beverage making devices appear in succession. When the beverage preparation machine represented by a tea beverage machine mainly comprises an extraction device, a water tank, a heating element and a water pump, when the beverage preparation machine is used, a capsule packaged with coffee powder, tea powder, milk powder or the like similar to a jelly bag is placed in the extraction device, two mechanical parts in the extraction device are folded through a driving mechanism to form a closed brewing chamber, and hot water is injected into the capsule for extraction. After extraction is complete, the used capsule needs to be removed.

According to the investigation, a Chinese utility model patent ZL201020113007.1 (with the publication number CN 201617680U) discloses a hydraulic drive type driving structure, which comprises an inner fixing seat fixed on the rear wall of a machine base, a rear water inlet channel axially penetrating through the inner fixing seat, a rear cavity with an opening at the rear end in the second machine part, a rear cavity of the second machine part movably sleeved on the inner fixing seat and capable of sliding back and forth relative to the inner fixing seat, a liquid sealing fit between the outer peripheral surface of the inner fixing seat and the inner peripheral wall of the rear cavity of the second machine part, and a liquid outlet channel communicated with the outside and a cavity on the second machine part; the utility model discloses a brewing machine, including the installation department, the guide post is equipped with the guide post, the guide post of installation department is equipped with interior shoulder blade in the guide hole, still the cover is equipped with reset spring on each guide post, and this reset spring's one end supports and leans on the antetheca of frame, and reset spring's the other end supports and leans on the interior shoulder blade in the guide hole, it has the intercommunication to open on the first machine member brew space and external water passageway that advances. The hydraulic drive type driving structure locks the two parts through water pressure, and the hydraulic piston structure must be matched with a pressure relief water path such as an electromagnetic valve, so that the production cost of the beverage extraction device is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that provides a beverage extraction device that can reduction in production cost to foretell technical situation.

The second technical problem to be solved by the present invention is to provide a beverage extraction device with higher assembly accuracy and capable of reducing the power output of the driving mechanism.

The utility model provides a technical scheme that foretell technical problem adopted does: a beverage extraction device is characterized by comprising

A first member having a hook on a side thereof, the hook having a hook portion extending in a front-rear direction on an upper portion thereof;

the second machine part can be hinged to the rear end of the first machine part in a vertically rotating manner, the side wall of the front part of the second machine part is provided with a strip-shaped hole extending forwards and backwards, and a locking shaft which can move forwards and backwards and can be hooked by the hook part penetrates through the strip-shaped hole;

the driving mechanism is used for driving the second machine member to rotate up and down and the locking shaft to move back and forth;

a limiting structure for limiting the forward movement of the locking shaft;

the second organ has, during rotation, a fully open position, an intermediate position and a closed position:

when the second machine element is positioned at the fully-opened position, the locking shaft is positioned at the rear end of the strip-shaped hole and separated from the hook part through the cooperation of the driving mechanism and the limiting structure,

when the second machine element rotates to the middle position, the limiting structure can act to release the forward movement limitation of the locking shaft, so that the driving mechanism can drive the locking shaft to move forward in the strip-shaped hole to enter the hook part,

when the second machine member is located at the folding position, the driving mechanism enables the locking shaft to be located at the front end of the strip-shaped hole and hooked by the hook portion, so that the locking shaft is limited to be away from the first machine member in the upward direction, and therefore the relative folding state of the first machine member and the second machine member is locked.

The up-down direction refers to the height direction of the second member, and the front-back direction refers to the length direction of the second member.

In order to further shorten the forward travel of the locking shaft after unlocking, the angle between the second member and the first member is less than or equal to 20 ° when the second member is in the intermediate position.

In a further design, the bottom wall of the second machine member is provided with a through hole, and the limiting structure comprises

A stopper which is provided in front of the locking shaft so as to be movable up and down, the stopper including a main body and a rod extending downward from a lower edge of the main body, the rod being inserted into the through hole, and when the rod is separated from the first member, a rear end of the main body abuts against the locking shaft, and when a lower end of the rod is in contact with the first member, the stopper being movable up to displace the rear end of the main body from the locking shaft, thereby releasing the forward movement restriction of the locking shaft;

and the elastic piece enables the limiting block to always have the tendency of moving downwards to be close to the first machine element. Contact through first parts and stopper triggers the stopper upwards to act and realize the antedisplacement restriction of contact to the locking shaft, not only need not to set up the structure that drives the stopper action in addition, makes this beverage extraction device structure simpler, still makes the stopper accurately respond to the relative position of first parts and second parts to can make this beverage extraction device's assembly precision higher.

In order to facilitate the installation of the limiting block and the elastic element, the limiting structure further comprises an installation plate fixed above the second machine element, a first accommodating space is formed between the lower surface of the installation plate and the bottom wall of the second machine element, the main body part is accommodated in the first accommodating space, and a second accommodating space for accommodating the locking shaft is formed between the lower surface of the main body part and the bottom wall of the second machine element; the top of the main body part is provided with a slot, the bottom of the mounting plate is provided with an inserting column inserted in the slot, and the elastic part is a spring sleeved on the inserting column. When the limiting block moves upwards, a second accommodating space can be formed between the limiting block and the second machine part, at the moment, the locking shaft can move forwards to be accommodated in the second accommodating space and positioned at the front end of the strip-shaped hole, and meanwhile, the locking shaft is hooked by the hook part.

In order to facilitate the dislocation of the locking shaft and the limiting block after the locking shaft contacts the rear surface of the hook part, a first inclined plane which is gradually inclined forwards from top to bottom is arranged on the lower side of the rear part of the main body part, and/or a second inclined plane which is gradually inclined forwards from top to bottom is arranged on the lower side of the rear surface of the hook part. The first ramp and/or the second ramp can guide the lock shaft to move forward.

In order to make the driving mechanism simpler, the driving mechanism comprises a handle which can be hinged on the second machine member in a vertical rotating way, and a transmission structure which is arranged between the handle and the locking shaft and is used for converting the vertical rotation of the handle into the front-back movement of the locking shaft.

The transmission structure comprises a first connecting rod, a second connecting rod and a third connecting rod, one end of the first connecting rod is hinged to the lower side of the handle through a first transmission shaft which is horizontally arranged, the other end of the first connecting rod, one end of the second connecting rod and one end of the third connecting rod are hinged through a second transmission shaft which is horizontally arranged, the other end of the second connecting rod is hinged to the rear part of the second machine part through a third transmission shaft which is horizontally arranged, and the other end of the third connecting rod is rotatably connected with the locking shaft.

In order to prevent the locking shaft from easily falling off the hook, when the second member is in the closed position, a connecting line between the locking shaft and the third transmission shaft is located above the second transmission shaft. When the second machine member is located at the closing position, the locking shaft is hooked by the hook part, the second connecting rod exerts an upward acting force on the locking shaft, and the hook part can limit the upward movement of the locking shaft, so that the locking shaft can be stably located in the hook part and is not easy to disengage from the hook part; if locate locking shaft with the line of third transmission shaft the below of second transmission shaft also can play the effect that makes locking shaft be difficult to deviate from hook portion through the length of extension hook portion on the fore-and-aft direction, but hook portion length overlength on the fore-and-aft direction can lead to locking shaft's antedisplacement stroke overlength, not only needs actuating mechanism to export bigger power, still can influence the degree of accuracy that locking shaft got into hook portion, and the requirement is higher to beverage extraction device's assembly precision.

In order to ensure that the locking action on two sides of the second machine part is firmer and more balanced, the two sides of the second machine part are respectively provided with the strip-shaped hole, the two sides of the first machine part are respectively provided with the clamping hook, and two ends of the locking shaft respectively penetrate through the strip-shaped holes on the corresponding sides and can be matched and connected with the hook parts on the corresponding sides; the transmission structures are arranged in two groups, and each group of transmission structures is respectively close to the side wall of the corresponding side of the second machine element.

In order to prevent the locking shaft from easily falling off the hook, an arc-shaped area is arranged on the lower surface of the hook, and the arc-shaped area is arched upwards and is used for being matched with the top of the locking shaft. The design of the arc-shaped area can position the locking shaft, so that the locking shaft is not easy to disengage from the hook part.

Compared with the prior art, the utility model has the advantages of: the locking shaft is hooked by the hook part to limit the locking shaft to be far away from the first machine part in the axial direction so as to lock the relative folding state of the first machine part and the second machine part, the production cost of the beverage extraction device can be reduced, the second machine part acts to remove the forward movement limit of the locking shaft when rotating to the middle position through the limiting structure, the locking shaft can move forward in the strip-shaped hole to enter the hook part after the locking is removed, the forward movement stroke of the locking shaft in the rotating process of the second machine part can be reduced, the track of the locking shaft can be conveniently and accurately controlled so as to ensure that the locking shaft accurately enters the hook part in the rotating process of the second machine part, the effective locking of the relative folding of the first machine part and the second machine part is realized, the matching precision of the beverage extraction device is higher, the first machine part and the second machine part are not easy to break down, and the limiting structure with the segmentation function is adopted, the limiting structure can reduce the resistance in the later stage of the downward rotating process of the second machine part and increase the power in the later stage of the upward rotating process, so that the power output of the driving mechanism can be reduced, if the driving mechanism is automatic equipment, the energy consumption can be effectively saved, and the manual operation device can be more convenient for users.

Drawings

FIG. 1 is a right side view of an embodiment of the present invention (with the second member in the fully open position);

FIG. 2 is a perspective view of an embodiment of the present invention (with the second member in the intermediate position);

FIG. 3 is a longitudinal cross-sectional view of FIG. 2;

FIG. 4 is a right side view of the embodiment of the present invention (with the second member in the closed position);

FIG. 5 is a longitudinal cross-sectional view of FIG. 4;

fig. 6 is an exploded perspective view of an embodiment of the present invention;

fig. 7 is the embodiment of the utility model provides an in the embodiment three-dimensional structure chart of stopper.

Detailed Description

The embodiments of the present invention are described in further detail below.

As shown in fig. 1 to 7, the preferred embodiment of the present invention is shown. The up-down direction in this embodiment means the height direction of the second machine member 2, the front-back direction means the length direction of the second machine member 2, and the left-right direction means the width direction of the second machine member 2.

The beverage extraction device in the embodiment comprises a first machine part 1, a second machine part 2, a driving mechanism and a limiting structure. Wherein, the second machine member 2 is hinged to the rear end of the first machine member 1 in a manner of being able to rotate up and down and can be opened or closed relative to the first machine member 1 (see fig. 1, 2 and 4); specifically, the rear end of the second machine member 2 and the rear end of the first machine member 1 are hinged by a first rotating shaft 91 provided in the left-right direction (see fig. 2). Hooks 3 are arranged on both sides of the first machine member 1, and the upper part of each hook 3 is provided with a hook part 31 (shown in figure 1) extending along the front-back direction; two sides of the front part of the second machine member 2 are respectively provided with a strip-shaped hole 21 extending forwards and backwards, a locking shaft 20 simultaneously passes through the strip-shaped holes 21 (see figure 1) of the two sides, and the locking shaft 20 can move forwards and backwards in the strip-shaped holes 21 and can be hooked by a hook part 31 (see figure 4), so that the relative folding state of the first machine member 1 and the second machine member 2 can be locked. Compared with hydraulic driving, the locking of the relative folding state of the first machine element 1 and the second machine element 2 is realized through the matching of the locking shaft 20 and the hook part 31, the device structure can be simplified, and the production cost of the beverage extraction device is reduced. The driving mechanism is used for driving the second machine member 2 to rotate up and down and the locking shaft 20 to move back and forth. The limiting structure serves to limit the forward movement of the locking shaft 20.

In the present embodiment, the second machine member 2 has a fully open position, an intermediate position and a closed position during rotation: when the second machine member 2 is in the fully open position, the cooperation of the drive mechanism and the limit structure positions the locking shaft 20 at the rear end of the strip-shaped hole 21 and separated from the hook 31 (see fig. 1); when the second machine member 2 rotates to the middle position, the limiting structure can act to release the forward movement limitation of the locking shaft 20, so that the driving mechanism can drive the locking shaft 20 to move forward in the strip-shaped hole 21 to enter the hook portion 31 (see fig. 2); when the second work 2 is in the closed position, the drive mechanism positions the lock shaft 20 at the front end in the strip-shaped hole 21 and is hooked by the hook portion 31 to restrict the lock shaft 20 from moving upward away from the first work 1 to lock the relatively closed state of the first and second works 1 and 2 (see fig. 4).

In the beverage extraction device in the embodiment, the hook part 31 hooks the locking shaft 20 to limit the locking shaft 20 to be away from the first machine element 1 upwards so as to lock the relatively folding state of the first machine element 1 and the second machine element 2, the requirement on the machining precision of the driving mechanism can be reduced, the production cost of the beverage extraction device is reduced, the limiting structure acts to remove the forward movement limitation on the locking shaft 20 when the second machine element 2 rotates to the middle position, the locking shaft 20 can move forwards in the strip-shaped hole 21 to enter the hook part 31 after the locking is removed, the forward movement stroke of the locking shaft 20 in the rotation process of the second machine element 2 can be reduced, the track of the locking shaft 20 can be controlled more accurately so as to ensure that the locking shaft 20 accurately enters the hook part 31 in the rotation process of the second machine element 2, the effective locking of the relative folding of the first machine element 1 and the second machine element 2 is realized, the matching precision of the beverage extraction device is higher, the first machine element 1 and the second machine element 2 are in relatively folding state, and the limiting structure which is not easy to act can reduce the upward resistance of the rotation of the limiting section structure in the later stage, and the upward driving mechanism can be reduced, so as to reduce the upward output power in the later stage in the rotation process of the second machine element 2.

In order to further shorten the forward movement of the locking shaft 20 after unlocking, the angle between the second machine member 2 and the first machine member 1 in the intermediate position is less than or equal to 20 °.

The bottom wall of the second machine member 2 is provided with a through hole 22, and the limiting structure comprises a limiting block 4, an elastic member 5 and a mounting plate 6 (see fig. 6). The stopper 4 is provided in front of the lock shaft 20 to be movable up and down (see fig. 2); specifically, the mounting plate 6 is fixed above the second machine member 2, a first accommodating space X is formed between the lower surface of the mounting plate 6 and the bottom wall of the second machine member 2, the limiting block 4 includes a main body portion 41 and a rod portion 42 extending downward from the lower edge of the main body portion 41, the main body portion 41 is accommodated in the first accommodating space X and can abut against the locking shaft 20, and the rod portion 42 is inserted into the through hole 22 (see fig. 3). A second accommodating space Y (see fig. 5) for accommodating the locking shaft 20 can be formed between the lower surface of the main body 41 and the bottom wall of the second member 2. When the lever 42 is separated from the first machine member 1, the main body 41 abuts against the locking shaft 20, and when the lower end of the lever 42 contacts the first machine member 1, the stopper 4 can move upward to separate the main body 41 from the locking shaft 20 by being misaligned, and form the second accommodation space Y (see fig. 5), thereby releasing the restriction of the locking shaft 20 (see fig. 3 and 5). The upper surface of the main body 41 is provided with a slot 412 (see fig. 7), the bottom of the mounting plate 6 is provided with a plug-in post 61 inserted into the slot 412, and the elastic member 5 is a spring sleeved on the plug-in post 61 and enables the limit block 4 to always have a moving tendency of approaching the first machine element 1 downwards (see fig. 3). The lower side of the rear part of the main body 41 is provided with a first inclined surface 411 (see fig. 3 and 5) inclined forward from top to bottom, and the first inclined surface 411 can guide the locking shaft 20 to move forward and the stopper 4 to move upward to displace the two.

As shown in fig. 3, the driving mechanism comprises a handle 7 hinged to the second member 2 in a manner of being rotatable up and down, and a transmission structure provided between the handle 7 and the locking shaft 20 for converting the up and down rotation of the handle 7 into the forward and backward movement of the locking shaft 20. The actuating mechanism of this embodiment is manual formula actuating mechanism, because limit structure's setting makes the user more laborsaving during manual operation handle 7. Specifically, the handle 7 is hinged to the second movement 2 through a second rotation shaft provided in the left-right direction. The transmission structure comprises a first connecting rod 81, a second connecting rod 82 and a third connecting rod 83, wherein one end of the first connecting rod 81 is hinged to the lower side of the handle 7 through a first transmission shaft 84 arranged along the left-right direction, the other end of the first connecting rod 81, one end of the second connecting rod 82 and one end of the third connecting rod 83 are hinged through a second transmission shaft 85 arranged along the left-right direction, the other end of the second connecting rod 82 is hinged to the rear part of the second machine element 2 through a third transmission shaft 86 arranged along the left-right direction, and the other end of the third connecting rod 83 is rotatably connected with the locking shaft 20. The first drive shaft 84, the second drive shaft 85 and the third drive shaft 86 may be separate components or may be integrated in one of the two components that are hinged.

As shown in fig. 5, when the second work 2 is in the closed position, the line connecting the lock shaft 20 and the third transmission shaft 86 is located above the second transmission shaft 85. When the locking shaft 20 is hooked by the hook portion 31, the second link 82 applies an upward force to the locking shaft 20, and the hook portion 31 can restrict the upward movement of the locking shaft 20, so that the locking shaft 20 can be stably in the hook portion 31 without easily coming off the hook portion 31; if the connecting line of the locking shaft 20 and the third transmission shaft 86 is arranged below the second transmission shaft 85, the effect that the locking shaft 20 is not easy to disengage from the hook portion 31 can be achieved by prolonging the length of the hook portion 31 in the front-back direction, however, the too long length of the hook portion 31 in the front-back direction can cause the too long forward movement stroke of the locking shaft 20, which not only needs a driving mechanism to output larger power, but also affects the accuracy of the locking shaft 20 entering the hook portion 31, and has higher requirement on the assembly precision of the beverage extraction device.

As shown in fig. 6, the lower side of the rear surface of the hook 31 is provided with a second inclined surface 311 inclined gradually forward from top to bottom, and the second inclined surface 311 can guide the lock shaft 20 into the hook 31. An arc-shaped area 312 is arranged on the lower surface of the hook portion 31, and the arc-shaped area 312 is arched upwards and is used for being matched with the top of the locking shaft 20, so that the locking shaft 20 can be positioned, and the locking shaft 20 is not easy to fall off the hook portion 31.

Claims (10)

1. A beverage extraction device is characterized by comprising

A first device (1) provided with a hook (3) on the side, wherein the upper part of the hook (3) is provided with a hook part (31) extending along the front-back direction;

the second machine part (2) can be hinged to the rear end of the first machine part (1) in a vertically rotating mode, a strip-shaped hole (21) extending front and back is formed in the side wall of the front portion of the second machine part (2), and a locking shaft (20) capable of moving front and back and being hooked by the hook portion (31) penetrates through the strip-shaped hole (21);

the driving mechanism is used for driving the second machine member (2) to rotate up and down and the locking shaft (20) to move back and forth;

a limit structure for limiting forward movement of the locking shaft (20);

the second organ (2) has, during rotation, a fully open position, an intermediate position and a closed position:

when the second machine member (2) is positioned at the fully-opened position, the locking shaft (20) is positioned at the rear end of the strip-shaped hole (21) and separated from the hook part (31) through the cooperation of the driving mechanism and the limiting structure,

when the second machine member (2) rotates to the middle position, the limit structure can act to release the forward movement limit of the locking shaft (20), so that the driving mechanism can drive the locking shaft (20) to move forward in the strip-shaped hole (21) to enter the hook part (31),

when the second machine member (2) is located at the folding position, the driving mechanism positions the locking shaft (20) at the front end in the strip-shaped hole (21) and is hooked by the hook part (31) so as to limit the locking shaft (20) to be upwards away from the first machine member (1) and lock the relative folding state of the first machine member (1) and the second machine member (2).

2. A beverage extraction device according to claim 1, wherein the second member (2) in the intermediate position forms an angle with the first member (1) of less than or equal to 20 °.

3. A beverage extraction device according to claim 1, wherein the second member (2) has a bottom wall provided with a through hole (22), and the limiting structure comprises

A stopper (4) which is provided in front of the locking shaft (20) so as to be movable up and down, wherein the stopper (4) includes a main body (41) and a rod (42) extending downward from a lower edge of the main body (41), the rod (42) is inserted into the through hole (22), and when the rod (42) is separated from the first device (1), a rear end of the main body (41) abuts against the locking shaft (20), and when a lower end of the rod (42) contacts the first device (1), the stopper (4) is movable upward so that the rear end of the main body (41) is displaced from the locking shaft (20), thereby releasing the forward movement restriction on the locking shaft (20);

and the elastic piece (5) enables the limiting block (4) to always have the tendency of moving downwards to be close to the first machine piece (1).

4. A beverage extraction device according to claim 3, wherein the limiting structure further comprises a mounting plate (6) fixed above the second member (2), a first accommodating space (X) is provided between a lower surface of the mounting plate (6) and a bottom wall of the second member (2), the main body (41) is accommodated in the first accommodating space (X), and a second accommodating space (Y) for accommodating the locking shaft (20) is further formed between the lower surface of the main body (41) and the bottom wall of the second member (2); the top of the main body portion (41) is provided with a slot (412), the bottom of the mounting plate (6) is provided with an insertion column (61) inserted into the slot (412), and the elastic piece (5) is a spring sleeved on the insertion column (61).

5. A beverage extraction device according to claim 3, wherein the lower rear side of the body part (41) is provided with a first inclined surface (411) which is inclined gradually forward from top to bottom, and/or the lower rear surface side of the hook part (31) is provided with a second inclined surface (311) which is inclined gradually forward from top to bottom.

6. A beverage extraction device as claimed in claim 1, characterized in that said drive means comprise a handle (7) hinged to said second member (2) in such a way as to be able to rotate up and down, and transmission means arranged between said handle (7) and said locking shaft (20) for transforming the up-and-down rotation of said handle (7) into a forward-and-backward movement of said locking shaft (20).

7. A beverage extraction device according to claim 6 wherein the transmission structure comprises a first link (81), a second link (82) and a third link (83), one end of the first link (81) being hinged to the lower side of the handle (7) by a horizontally arranged first transmission shaft (84), the other end of the first link (81), one end of the second link (82) and one end of the third link (83) being hinged by a horizontally arranged second transmission shaft (85), the other end of the second link (82) being hinged to the rear of the second machine member (2) by a horizontally arranged third transmission shaft (86), the other end of the third link (83) being rotatably connected to the locking shaft (20).

8. A beverage extraction device according to claim 7, wherein the line connecting the locking shaft (20) and the third drive shaft (86) is located above the second drive shaft (85) when the second member (2) is in the closed position.

9. The beverage extraction device according to claim 6, wherein the second member (2) is provided with a strip-shaped hole (21) on each side, the first member (1) is provided with a hook (3) on each side, and the two ends of the locking shaft (20) respectively penetrate through the strip-shaped holes (21) on the corresponding side and can be connected with the hook parts (31) on the corresponding side in a matching manner; the transmission structures are divided into two groups, and each group of transmission structures is respectively arranged close to the side wall of the corresponding side of the second machine element (2).

10. A beverage extraction device according to any one of the claims 1 to 9, wherein the hook portion (31) is provided with an arcuate region (312) on its lower surface, the arcuate region (312) being upwardly arched and being adapted to engage with the top of the locking shaft (20).

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