Grinding disc gap adjustment mechanism and coffee grinder

Abstract

The utility model discloses a mill gap adjusting mechanism and coffee bean grinder, mill gap adjusting mechanism is used for adjusting the gap between first mill and second mill, driving part, rotatably arranged, transmission part is connected with driving part through screw pair, and transmission part is configured to be opposite fixed with one of first mill or second mill, locking mechanism has first state and second state: when locking mechanism is in first state, it restricts the relative rotation between driving part and transmission part, thereby locking the axial position of transmission part, and further locking the gap between first mill and second mill, when locking mechanism is switched to second state by operation, it removes the restriction to the relative rotation between driving part and transmission part, so that the driving transmission part can drive transmission part axial movement, and further drive one of first mill or second mill fixed with it to move to adjust the gap between first mill and second mill, solve the problem that traditional mill gap is adjusted difficultly and inaccuracy.

Description

Technical Field

[0001] This utility model relates to the technical field of coffee grinders, and more particularly to a grinder disc gap adjustment mechanism and a coffee grinder. Background Technology

[0002] Coffee machines with grinding functions often feature complex grinding disc structures with adjustable grind coarseness, involving numerous parts and requiring high levels of craftsmanship.

[0003] Generally speaking, there are two main types of grinders on the market. One type has no adjustable structure and directly designs the control structure, fixing the distance between the inner and outer grinding discs to directly grind coffee powder. This type of structure is relatively simple, but it cannot fine-tune the coarseness of the coffee powder. It relies on the gaps in the structure itself to fix the fineness of the coffee powder, and often the actual coarseness of the ground coffee powder cannot meet the requirements. Adjustment requires changing the structure or adding parts, which is costly and involves complex process control.

[0004] Another method involves adding a toothed disc adjustment structure to the grinding assembly, allowing the assembly to move up and down to change the gap between the inner and outer grinding discs and thus adjust the coarseness of the ground coffee powder. This type of structure offers a high degree of fineness adjustment for coffee powder, but the attached structure is complex, has multiple structural components, and is relatively large in size. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The technical problem to be solved by this utility model is to provide a grinding disc gap adjustment mechanism and a coffee grinder. Its locking mechanism can switch between two functions: "gap locking" and "gap adjustment", ensuring the stability after gap adjustment and avoiding unexpected changes in gap during grinding. Users only need to operate the locking mechanism to switch states and then rotate the drive component to complete the gap adjustment, which solves the problem of difficult and inaccurate gap adjustment in traditional coffee grinders.

[0007] (II) Technical Solution

[0008] The solution adopted by this utility model to solve the above-mentioned technical problem is a grinding disc gap adjustment mechanism, which is used to adjust the gap between the first grinding disc and the second grinding disc, including a driving member that is rotatably set.

[0009] A transmission component is connected to the drive component via a screw pair, and the transmission component is configured to be fixed relative to one of the first grinding disc or the second grinding disc;

[0010] A locking mechanism having a first state and a second state:

[0011] When the locking mechanism is in the first state, it restricts the relative rotation between the driving member and the transmission member, thereby locking the axial position of the transmission member, and thus locking the gap between the first grinding disc and the second grinding disc.

[0012] When the locking mechanism is switched to the second state, it releases the restriction on the relative rotation between the driving member and the transmission member, so that rotating the driving member can drive the transmission member to move axially, thereby driving one of the first grinding disc or the second grinding disc fixed thereto to move, so as to adjust the gap between the first grinding disc and the second grinding disc.

[0013] Specifically, the driving component and the transmission component are connected by a screw pair, so rotating the driving component or rotating the transmission component can realize the axial movement of the transmission component, thereby driving one of the first grinding disc or the second grinding disc fixed thereto to move, so as to adjust the gap between the first grinding disc and the second grinding disc.

[0014] By adopting the above solution, the precise conversion from rotation of the drive component to axial movement of the transmission component is achieved through the screw pair connection, which enables more precise gap adjustment. The locking mechanism can switch between the two functions of "gap locking" and "gap adjustment", ensuring the stability after gap adjustment and avoiding unexpected changes in gap during grinding. Users only need to operate the locking mechanism to switch states and then rotate the drive component to complete the gap adjustment, which solves the problem of difficult and inaccurate gap adjustment in traditional coffee grinders.

[0015] In some embodiments, the locking mechanism includes an movably disposed operating member having a first position engaged with the drive member and a second position engaged with the transmission member; when the operating member is in the first position, the locking mechanism is in a first state; when the operating member is in the second position, the locking mechanism is in a second state.

[0016] The above solution achieves the switching between locked and unlocked states by moving the operating component between two clearly defined positions (first and second positions). The mechanism is intuitive, the operation feedback is clear, the user experience is good, and the mechanical structure is simple, reliable, and low-cost. Moreover, the change in the position of the operating component directly corresponds to the change in the functional state without delay.

[0017] In some embodiments, the operating element is a locating pin or adjusting head that is axially movable and circumferentially rotatable.

[0018] Specifically, the operating element can move along its own axial direction and can rotate along its own central axis.

[0019] Using the above scheme, the operating component needs to move axially and rotate circumferentially simultaneously to complete the switching. This composite operation mode effectively prevents the mechanism from being accidentally unlocked or its state changed due to accidental contact or vibration, thus enhancing the security and reliability of the locking mechanism.

[0020] In some embodiments, the drive member has a first engagement portion, and the transmission member has a second engagement portion; the operating member engages with the drive member by engaging with the first engagement portion; the operating member engages with the transmission member by engaging with the second engagement portion.

[0021] In some embodiments, the operating member is partially adapted within the through hole of the transmission member and is capable of axial movement and circumferential rotation along the through hole. The operating member includes a first part and a second part. The first part is adapted within the through hole, and when the operating member is in a first position, the first part extends out of the through hole and engages with the first engagement portion. The second part is always positioned within the space of the transmission member, and when the operating member is in a second position, the second part engages with the second engagement portion. Furthermore, the first part has a circumferential structure, and the outer contour of the second part has two opposing arc-shaped parts and two opposing planar parts. The radial dimension of the arc-shaped structure is larger than the radial dimension of the first part. By placing the operating member within the through hole of the transmission member, the axial space is fully utilized, resulting in a very compact mechanism structure, which is beneficial for miniaturization design of the entire machine (such as a coffee grinder). The special "planar + arc" irregular design of the second part of the operating member ensures that it can only engage with the slot of the transmission member under a specific orientation, which serves as "self-alignment" and "error prevention." This ensures that each lock can be quickly and accurately aligned, improving the feel and reliability of operation.

[0022] The above-mentioned design ensures that the operating component is in the correct position to perform its function, thereby improving operational safety.

[0023] In some embodiments, the first engagement portion includes a toothed groove, and the second engagement portion is a slot.

[0024] In some embodiments, the drive element is circumferentially arranged with a plurality of toothed grooves, providing multiple engagement positions and allowing for fine angle adjustment.

[0025] Specifically, the inner diameter of the second joint is adapted to the outer diameter between the two arc-shaped structures in the second part, so that after the two are engaged, the engagement between the operating member and the transmission member can be realized.

[0026] The above solution provides a large contact area for the tooth groove, ensuring that it can withstand greater torque without slipping in the locked state. The matching design of the special outer contour (circular arc + plane) of the slot and the second part of the operating component makes the power transmission direct and slip-free in the adjustment state, ensuring the immediacy and accuracy of the adjustment response.

[0027] In some embodiments, an elastic element is further included; the elastic element applies a force to the actuating member, causing it to tend to move from the second position to the first position.

[0028] In some embodiments, the elastic element is a spring sheet.

[0029] Specifically, the elastic element is disposed opposite to the operating member and the first or second grinding disc in the space between them; and the transmission member is provided with a locking part for engaging both ends of the elastic element, so that after the operating member moves axially from the first position to the second position, the elastic element is compressed.

[0030] With the above solution, the elastic element provides an automatic reset force. After the user completes the adjustment, there is no need to perform any additional locking action. The mechanism automatically jumps back to the locked state, which simplifies the operation steps and improves the user experience. During operation, it is necessary to overcome the elastic force of the elastic element, which provides the user with clear tactile feedback, allowing them to clearly perceive whether the operation is in place.

[0031] In some embodiments, the operating member is configured to: need to overcome the force of the elastic element to move from the first position to the second position; and after the operation is released, it can automatically reset from the second position to the first position under the action of the elastic element.

[0032] By adopting the above scheme, the logic of "operation requires overcoming force, and release is reset" is clarified, ensuring that the locked state is the default stable state of the mechanism. This avoids potential safety hazards that may arise during operation due to forgetting to manually lock, and enhances the inherent safety of the equipment.

[0033] In some embodiments, the movement path of the operating member includes axial movement and circumferential rotation; the operating member switches from a first position to a second position by first moving axially and then rotating circumferentially, and switches from the second position to the first position by first rotating circumferentially and then axially resetting under the action of an elastic element.

[0034] Specifically, the operating member first moves axially to disengage from the first engagement portion of the driving member, and then rotates 90° circumferentially along the first direction, so that the operating member switches from the first position to the second position, and the driving member can rotate freely; the operating member first rotates 90° circumferentially in the opposite direction to the first direction, and then, under the action of the elastic element, the operating member switches from the second position to the first position, so that the driving member is restricted from rotating.

[0035] The above solution defines a precise operating procedure of "press first, then turn 90° to unlock, and reverse 90° to automatically lock". This operation is not only ergonomic and easy to learn, but also as ritualistic and certain as operating a mechanical lock, which greatly enhances the user experience and quality of high-end products.

[0036] In some embodiments, the driving component is an adjusting disc, and the transmission component is a grinding disc sleeve fixed to the first grinding disc or the second grinding disc.

[0037] In some embodiments, the adjusting disc is sleeved outside the grinding disc sleeve, and the helical pair includes a first thread formed inside the adjusting disc and a second thread formed outside the grinding disc sleeve.

[0038] In some embodiments, the first grinding disc is a fixed grinding disc, and the second grinding disc is a movable grinding disc; the transmission member is fixed relative to the fixed grinding disc.

[0039] The above design, which places the adjusting disc outside the grinding disc sleeve, effectively prevents fine powder generated during the grinding process from entering the internal threaded joint and locking mechanism, ensuring the long-term stability and service life of the adjusting function, and facilitating disassembly, cleaning and maintenance.

[0040] The solution adopted by this utility model to solve the above-mentioned technical problems is a coffee grinder, including the grinding disc gap adjustment mechanism as described above.

[0041] In some embodiments, the coffee grinder includes a drive motor, a gear set connected to the output end of the drive motor, an output shaft connected to the output end of the gear set, a movable grinding disc connected to the output shaft and capable of rotating synchronously, and a fixed grinding disc sleeved outside the movable grinding disc and capable of moving axially.

[0042] (III) Beneficial Effects

[0043] Compared with the prior art, this utility model designs a grinding disc gap adjustment mechanism and a coffee grinder.

[0044] (1) This utility model achieves precise conversion from rotation of the drive component to axial movement of the transmission component through a screw pair connection, which can achieve more precise gap adjustment; the locking mechanism can switch between the two functions of "gap locking" and "gap adjustment", ensuring the stability after gap adjustment and avoiding unexpected changes in gap during grinding; the user only needs to operate the locking mechanism to switch the state and then rotate the drive component to complete the gap adjustment, which solves the problem of difficult and inaccurate gap adjustment of traditional coffee grinders;

[0045] (2) This utility model achieves the switching between locking and unlocking states by moving the operating component between two specific positions (first and second positions). The mechanism is intuitive, the operation feedback is clear, the user experience is good, and the mechanical structure is simple, reliable, and low in cost. Moreover, the change in the position of the operating component directly corresponds to the change in the functional state without delay.

[0046] (3) The operating component of this utility model needs to move axially and rotate circumferentially at the same time to complete the switching. This composite operation mode effectively prevents the mechanism from being accidentally unlocked or changing its state due to accidental contact or vibration, thus enhancing the security and reliability of the lock. It also defines a precise operation process of "press first and then rotate 90° to unlock, and reverse 90° to lock automatically". This operation is not only ergonomic and easy to learn, but also full of ritual and certainty like operating a mechanical lock, which greatly enhances the user experience and quality of high-end products.

[0047] (4) The present invention sets the operating part inside the through hole of the transmission part, making full use of the axial space, making the entire mechanism very compact, which is conducive to the miniaturization design of the whole machine (such as a coffee grinder); the special "plane + arc" irregular design of the second part of the operating part makes it only able to engage with the slot of the transmission part under a specific orientation, which plays the role of "self-alignment" and "error prevention", ensuring that each locking can be quickly and accurately aligned, improving the operating feel and reliability;

[0048] (5) The elastic element of this utility model provides an automatic reset force. After the user completes the adjustment, there is no need to perform an additional locking action. The mechanism automatically jumps back to the locked state, which simplifies the operation steps and improves the user experience. During operation, it is necessary to overcome the elastic force of the elastic element, which provides the user with clear tactile feedback so that he can clearly perceive whether the operation is in place.

[0049] (6) This utility model clarifies the logic of "operation requires overcoming force, and release is reset", which ensures that the locked state is the default stable state of the mechanism. This avoids the safety hazards that may be caused during operation due to forgetting to manually lock, and enhances the inherent safety of the equipment. Attached Figure Description

[0050] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0051] Figure 1 This is a schematic diagram of the structure of a grinding disc gap adjustment mechanism according to the present invention;

[0052] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0053] Figure 3 This is an exploded view of a grinding disc gap adjustment mechanism according to the present invention;

[0054] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0055] Figure 5 This is a cross-sectional view of a grinding disc gap adjustment mechanism according to the present invention;

[0056] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0057] Figure 7 This is a schematic diagram of the transmission component of this utility model;

[0058] Figure 8 for Figure 7 Enlarged view of point D;

[0059] Figure 9 This is a schematic diagram of the structure of the operating component of this utility model;

[0060] Figure 10 This is a schematic diagram of the coffee grinder of this utility model.

[0061] The component names corresponding to the various reference numerals in the figure are as follows: 100, first grinding disc; 200, second grinding disc; 300, driving component; 301, first joint; 3011, tooth groove; 302, first thread; 400, transmission component; 401, second joint; 4011, slot; 402, through hole; 403, engaging part; 404, second thread; 500, operating component; 501, first part; 502, second part; 600, elastic element; 700, drive motor; 800, gear set; 900, output shaft. Detailed Implementation

[0062] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but should not be used to limit the scope of this utility model.

[0063] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0064] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0065] It should be noted that the following description covers various aspects of embodiments within the scope of the appended claims. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0066] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0067] Additionally, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that practice can be carried out without these specific details.

[0068] The technical solutions provided by the various embodiments of this application are described below with reference to the accompanying drawings.

[0069] like Figures 1-9 As shown, this utility model provides a grinding disc gap adjustment mechanism for adjusting the gap between a first grinding disc 100 and a second grinding disc 200. It includes a driving member 300, which is rotatably disposed; a transmission member 400, which is connected to the driving member 300 via a screw pair, and the transmission member 400 is configured to be fixed relative to the first grinding disc 100; and a locking mechanism having a first state and a second state: when the locking mechanism is in the first state, it restricts the relative rotation between the driving member 300 and the transmission member 400, thereby locking the axial position of the transmission member 400, and thus locking the gap between the first grinding disc 100 and the second grinding disc 200; when the locking mechanism is switched to the second state, it releases the restriction on the relative rotation between the driving member 300 and the transmission member 400, so that rotating the driving member 300 can drive the transmission member 400 to move axially, thereby moving the first grinding disc 100 fixed thereto, to adjust the gap between the first grinding disc 100 and the second grinding disc 200. By adopting the above solution, the precise conversion between the rotation of the drive component 300 and the axial movement of the transmission component 400 is achieved through the screw pair connection, which enables more precise gap adjustment. The locking mechanism can switch between the two functions of "gap locking" and "gap adjustment", ensuring the stability after gap adjustment and avoiding unexpected changes in gap during grinding. Users only need to operate the locking mechanism to switch states and then rotate the drive component 300 to complete the gap adjustment, which solves the problem of difficult and inaccurate gap adjustment in traditional coffee grinders.

[0070] In some embodiments, the driving member 300 is an adjusting disc, and the transmission member 400 is a grinding disc sleeve fixed to the first grinding disc 100 or the second grinding disc 200. In some embodiments, the adjusting disc is sleeved outside the grinding disc sleeve, and the helical pair includes a first thread 302 formed inside the adjusting disc and a second thread 404 formed outside the grinding disc sleeve. In some embodiments, the first grinding disc 100 is a fixed grinding disc, and the second grinding disc 200 is a movable grinding disc; the transmission member 400 is fixed relative to the fixed grinding disc. By adopting the above scheme, the design of sleeved adjusting disc outside the grinding disc sleeve can effectively prevent fine powder generated during grinding from entering the internal threaded pair and locking mechanism, ensuring the long-term stability and service life of the adjusting function, and facilitating disassembly, cleaning, and maintenance.

[0071] In some embodiments, the locking mechanism includes a movable operating member 500, which has a first position engaging with the drive member 300 and a second position engaging with the transmission member 400. When the operating member 500 is in the first position, the locking mechanism is in a first state; when the operating member 500 is in the second position, the locking mechanism is in a second state. Using the above scheme, the switching between locking and unlocking states is achieved by moving the operating member 500 between two defined positions (first and second positions). The mechanism is intuitive, the operation feedback is clear, the user experience is good, and the mechanical structure is simple, reliable, and low-cost. Furthermore, the change in the position of the operating member 500 directly corresponds to the change in the functional state without delay. In some embodiments, the operating member 500 is an adjusting head, which is axially movable and circumferentially rotatable. Specifically, the operating member 500 can move along its own axial direction and rotate along its own central axis. Using the above scheme, the operating component 500 needs to move axially and rotate circumferentially simultaneously to complete the switching. This composite operation mode effectively prevents the mechanism from being accidentally unlocked or its state changed due to accidental contact or vibration, thus enhancing the security and reliability of the locking.

[0072] In some embodiments, the driving member 300 is provided with a first engaging portion 301, and the transmission member 400 is provided with a second engaging portion 401; the operating member 500 engages with the driving member 300 by engaging with the first engaging portion 301; the operating member 500 engages with the transmission member 400 by engaging with the second engaging portion 401. In some embodiments, the operating member 500 is partially adapted within a through hole 402 of the transmission member 400 and is axially movable and circumferentially rotated along the through hole 402; the operating member 500 includes a first portion 501 and a second portion 502, the first portion 501 is adapted within the through hole 402, and when the operating member 500 is in a first position, the first portion 501 extends out of the through hole 402 and engages with the first engaging portion 301; the second portion 502 is always placed within the space of the transmission member 400, and when the operating member 500 is in a second position, the second portion 502 engages with the second engaging portion 401. Furthermore, the first part 501 has a circumferential structure, while the outer contour of the second part 502 has two opposite arc-shaped parts and two opposite planar parts; moreover, the radial dimension of the arc-shaped structure is larger than the radial dimension of the first part 501; by placing the operating component 500 part within the through hole 402 of the transmission component 400, the axial space is fully utilized, making the entire mechanism structure very compact and conducive to the miniaturization design of the whole machine (such as a coffee grinder); the special "planar + arc" irregular design of the second part 502 of the operating component 500 allows it to engage with the slot 4011 of the transmission component 400 only under a specific orientation, which plays a role in "self-alignment" and "error prevention," ensuring that each locking can be quickly and accurately aligned, improving the operating feel and reliability. Using the above scheme, the engaging design of the first and second joints ensures that the operating component 500 can function only when it is in the correct position, improving operational safety. In some embodiments, the first engagement portion 301 includes a toothed groove 3011, and the second engagement portion 401 is a slot 4011. In some embodiments, the drive member 300 is circumferentially arranged with a plurality of toothed grooves 3011, providing multiple engagement positions and allowing for fine angle adjustment. Specifically, the inner diameter of the second engagement portion 401 is adapted to the outer diameter between the two arc-shaped structures of the second part 502, so that after the two are engaged, the engagement between the operating member 500 and the transmission member 400 can be realized. With the above solution, the toothed groove 3011 provides a large contact area, ensuring that it can withstand greater torque without slippage in the locked state. The adaptation design of the slot 4011 to the special outer contour (arc + plane) of the second part 502 of the operating member 500 makes the power transmission direct and slip-free in the adjustment state, ensuring the immediacy and accuracy of the adjustment response.

[0073] In some embodiments, an elastic element 600 is further included; the elastic element 600 applies a force to the operating member 500, causing it to tend to move from the second position to the first position. In some embodiments, the elastic element 600 is a spring sheet. Specifically, the elastic element 600 is disposed opposite to the operating member 500 in the space between the first grinding disc 100 or the second grinding disc 200; and the transmission member 400 is provided with engaging portions 403 for engaging both ends of the elastic element 600, so that after the operating member 500 moves axially from the first position to the second position, the elastic element 600 is compressed. With the above solution, the elastic element 600 provides an automatic reset force, and after the user completes the adjustment, there is no need to perform an additional locking action; the mechanism automatically jumps back to the locked state, simplifying the operation steps and improving the user experience; during operation, the user needs to overcome the elastic force of the elastic element 600, providing clear tactile feedback so that the user can clearly perceive whether the operation is in place. In some embodiments, the operating element 500 is configured such that it must overcome the force of the elastic element 600 to move from the first position to the second position; and after the operation is released, it can automatically reset from the second position to the first position under the action of the elastic element 600. By adopting the above scheme, the logic of "operation requires overcoming force, release results in reset" is clearly defined, ensuring that the locked state is the default stable state of the mechanism. This avoids potential safety hazards during operation due to forgetting to manually lock, enhancing the inherent safety of the equipment. In some embodiments, the movement path of the operating element 500 includes axial movement and circumferential rotation; the operating element 500 switches from the first position to the second position by first axial movement and then circumferential rotation, and switches from the second position to the first position by first circumferential rotation and then axial reset under the action of the elastic element 600. Specifically, the operating member 500 first moves axially to disengage from the first engagement portion 301 of the driving member 300, and then rotates 90° circumferentially along the first direction. This allows the operating member 500 to switch from the first position to the second position, enabling the driving member 300 to rotate freely. Alternatively, the operating member 500 may first rotate 90° circumferentially in the opposite direction, and then, under the action of the elastic element 600, switch from the second position to the first position, restricting the rotation of the driving member 300. This scheme defines a precise operating procedure of "press first, then rotate 90° to unlock; reverse 90° to automatically lock." This operation is not only ergonomic and easy to learn, but also provides a sense of ritual and certainty, much like operating a mechanical lock, greatly enhancing the user experience and perceived quality of high-end products.

[0074] like Figures 1-10As shown, this utility model also provides a coffee grinder, including the grinding disc gap adjustment mechanism as described above. In some embodiments, the coffee grinder includes a drive motor 700, a gear set 800 connected to the output end of the drive motor 700, an output shaft 900 connected to the output end of the gear set 800, a movable grinding disc connected to the output shaft 900 and capable of rotating synchronously, and a fixed grinding disc sleeved outside the movable grinding disc and capable of moving axially.

[0075] The same or similar parts between the various embodiments in this specification can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments.

[0076] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A grinding disc gap adjustment mechanism for adjusting the gap between a first grinding disc (100) and a second grinding disc (200), characterized in that: include A drive element (300) is rotatably disposed; A transmission component (400) is connected to the drive component (300) via a screw pair, and the transmission component (400) is configured to be fixed relative to one of the first grinding disc (100) or the second grinding disc (200); A locking mechanism having a first state and a second state: When the locking mechanism is in the first state, it restricts the relative rotation between the driving member (300) and the transmission member (400), thereby locking the axial position of the transmission member (400) and thus locking the gap between the first grinding disc (100) and the second grinding disc (200). When the locking mechanism is switched to the second state, it releases the restriction on the relative rotation between the drive member (300) and the transmission member (400); so that rotating the drive member (300) can drive the transmission member (400) to move axially, thereby driving one of the first grinding disc (100) or the second grinding disc (200) fixed thereto to move, so as to adjust the gap between the first grinding disc (100) and the second grinding disc (200).

2. The grinding disc gap adjustment mechanism according to claim 1, characterized in that: The locking mechanism includes an movably configured operating member (500), the operating member (500) having a first position engaged with the driving member (300) and a second position engaged with the transmission member (400); when the operating member (500) is in the first position, the locking mechanism is in a first state; when the operating member (500) is in the second position, the locking mechanism is in a second state.

3. The grinding disc gap adjustment mechanism according to claim 2, characterized in that: The operating element (500) is a positioning pin or adjusting head, which is axially movable and circumferentially rotatable.

4. The grinding disc gap adjustment mechanism according to claim 2, characterized in that: The drive member (300) is provided with a first engagement portion (301), and the transmission member (400) is provided with a second engagement portion (401); the operating member (500) engages with the drive member (300) by engaging with the first engagement portion (301); the operating member (500) engages with the transmission member (400) by engaging with the second engagement portion (401).

5. The grinding disc gap adjustment mechanism according to claim 4, characterized in that: The first engagement portion (301) includes a toothed groove (3011), and the second engagement portion (401) is a slot (4011).

6. The grinding disc gap adjustment mechanism according to any one of claims 2-5, characterized in that: It also includes an elastic element (600); the elastic element (600) applies a force to the operating member (500) so that it tends to move from the second position to the first position.

7. The grinding disc gap adjustment mechanism according to claim 6, characterized in that: The operating element (500) is configured such that it can move from the first position to the second position only after overcoming the force of the elastic element (600); and after the operation is released, it can automatically reset from the second position to the first position under the action of the elastic element (600).

8. The grinding disc gap adjustment mechanism according to claim 7, characterized in that: The movement path of the operating element (500) includes axial movement and circumferential rotation; the operating element (500) switches from the first position to the second position by first moving axially and then rotating circumferentially, and switches from the second position to the first position by first rotating circumferentially and then axially resetting under the action of the elastic element (600).

9. The grinding disc gap adjustment mechanism according to claim 1, characterized in that: The driving component (300) is an adjustment disc, and the transmission component (400) is a grinding disc sleeve fixed to the first grinding disc (100) or the second grinding disc (200).

10. A coffee grinder, characterized in that: Includes the grinding disc gap adjustment mechanism as described in any one of claims 1-9 above.

Images