Rotary adjusting grinding device with shaft lifting limiting function

Abstract

The utility model belongs to the field of grinding equipment, and particularly relates to a rotary adjusting grinding device with a shaft lifting limiting function, which comprises (1) a grinding main body; the grinding main body comprises an inner cutter mechanism, an outer cutter mechanism and a shaft mechanism; (2) a lifting adjustment unit; the lifting adjusting part comprises a scale adjusting ring, a supporting frame and a bearing. When a user rotates the scale adjusting ring, the inner cutter mechanism can be driven to move in the axial direction, and the outer cutter mechanism is fixedly connected with the grinding body and does not move in the axial direction, so that the distance between the inner cutter mechanism and the outer cutter mechanism in the axial direction can be adjusted through the rotation degree, and the grinding granularity is controlled. It needs to be emphasized that the supporting frame synchronously arranged with the scale adjusting ring can only rotate within the circumferential range of less than 360 degrees, so that the problem that a user continuously rotates the scale adjusting ring to cause locking is avoided, and the convenience of use and operation is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of grinding equipment, and specifically relates to a rotary adjustment grinding device with shaft lifting and limiting function. Background Technology

[0002] Grinding devices are widely used in daily life. Taking a coffee bean grinder as an example, it is a device that grinds coffee beans into coffee powder. It mainly uses a motor to drive (or a hand crank to drive) mechanical blades to rotate, cutting and grinding the coffee beans into powder for brewing coffee.

[0003] Existing coffee bean grinders have the following drawbacks:

[0004] Whether rotating the scale adjustment ring forward or backward, it is impossible to know the progress of the rotation, which often leads to it being locked directly, making it unsuitable for later use. Utility Model Content

[0005] To address the problems existing in the prior art, this utility model provides a rotary adjusting grinding device with shaft lifting and limiting function, comprising:

[0006] Grinding body; the grinding body includes an inner tool mechanism, an outer tool mechanism, and a shaft mechanism; wherein:

[0007] The inner blade mechanism is connected to the bottom of the shaft mechanism;

[0008] The outer blade mechanism is connected to the grinding body;

[0009] The lifting adjustment part includes a scale adjustment ring, a support frame, and a bearing; wherein:

[0010] The scale adjustment ring is rotatably sleeved on the outside of the grinding body. By rotating the scale adjustment ring circumferentially, the support frame rotates synchronously, and the bearing drives the shaft mechanism to move along the axial direction, thereby adjusting the relative position between the inner blade mechanism and the outer blade mechanism, and thus adjusting the grinding particle size.

[0011] Preferably, the inner side of the scale adjustment ring is provided with an internal thread; the outer side of the grinding body is provided with an external thread; wherein:

[0012] The internal thread is adapted to the external thread.

[0013] Preferably, the support frame is provided with a synchronization column, and the inner side of the scale adjustment ring is provided with a vertical groove; wherein:

[0014] The synchronizing column engages with the vertical groove to ensure that the support frame rotates synchronously when the scale adjustment ring is rotated circumferentially.

[0015] Preferably, the vertical grooves are evenly distributed circumferentially, and the grinding body is further provided with elastic protrusions; wherein:

[0016] The elastic protrusion is fixedly installed; when the scale adjustment ring rotates circumferentially, the elastic protrusion and the vertical groove squeeze against each other to produce a sound, providing sound feedback to the user.

[0017] Preferably, the support frame is further provided with a rotating channel and a limiting protrusion, and the grinding body is further provided with a limiting stop; wherein:

[0018] The rotating channel is circumferentially arranged;

[0019] The limiting protrusion is fixedly mounted on the support frame and located inside the rotating channel;

[0020] The limiting block is fixedly mounted on the grinding body and located inside the rotating channel;

[0021] When the support frame rotates synchronously, the limiting protrusion moves circumferentially away from one side of the limiting block until it abuts against the other side of the limiting block.

[0022] Preferably, the bearing comprises a first bearing, a second bearing, and a third bearing, wherein:

[0023] The first bearing is sleeved on the upper part of the shaft mechanism;

[0024] The second bearing is sleeved in the middle of the shaft mechanism;

[0025] The third bearing is sleeved on the lower part of the shaft mechanism.

[0026] Preferably, the rotary adjusting grinding device with shaft lifting and limiting function is further provided with a first step, a second step, and a third step; wherein:

[0027] The scale adjustment ring abuts against the support frame via the first step;

[0028] The support frame abuts against the first bearing via a second step;

[0029] The first bearing abuts against the shaft mechanism via a third step.

[0030] Preferably, the rotary adjusting grinding device with shaft lifting and limiting function is further provided with an elastic buffer; wherein:

[0031] The elastic buffer is disposed between the third bearing and the inner blade mechanism.

[0032] Preferably, the rotary adjusting grinding device with shaft lifting and limiting function is further provided with a powder chamber; wherein:

[0033] The powder chamber is located in the grinding body and is used to directly contain the ground powder.

[0034] The beneficial effects of this utility model are as follows:

[0035] Taking a coffee bean grinder as an example, before starting to grind, it is often necessary to adjust the position between the inner and outer blade mechanisms by rotating the scale adjustment ring. Specifically:

[0036] When the user rotates the scale adjustment ring, the inner blade mechanism moves axially, while the outer blade mechanism, fixedly connected to the grinding body, does not move axially. Thus, the axial distance between the inner and outer blade mechanisms can be adjusted by the degree of rotation, thereby controlling the grinding grit. It is important to emphasize that the support frame, which is synchronously set with the scale adjustment ring, can only rotate within a circumferential range of less than 360 degrees. This avoids the problem of locking up due to continuous rotation of the scale adjustment ring, ensuring ease of use. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the structure of the rotary adjustment grinding device with shaft lifting and limiting function.

[0039] Figure 2 This is an exploded view of the rotary adjustment grinding device with shaft lifting and limiting function.

[0040] Figure 3 yes Figure 2 The exploded view of the grinding body is shown in the image.

[0041] Figure 4 This is a cross-sectional view of the rotary adjustment grinding device with shaft lifting and limiting function.

[0042] Figure 5 yes Figure 4 Enlarged view of part A in the middle.

[0043] Figure 6 This is a first partially exploded view of the rotary adjustment grinding device with shaft lifting and limiting function.

[0044] Figure 7This is a second partially exploded view of the rotary adjustment grinding device with shaft lifting and limiting function.

[0045] Figure 8 This is a third partially exploded view of the rotary adjustment grinding device with shaft lifting and limiting function.

[0046] Figure 9 This is the fourth partially exploded view of the rotary adjustment grinding device with shaft lifting and limiting function.

[0047] Figure 10 This is a partial structural schematic diagram of the rotary adjustment grinding device with shaft lifting and limiting function.

[0048] The attached figures are labeled as follows:

[0049] 1-Grinding body; 11-Inner blade mechanism; 12-Outer blade mechanism; 13-Shaft mechanism; 14-External thread; 15-Elastic protrusion; 16-Limiting block;

[0050] 2-Lifting adjustment section; 21-Scale adjustment ring; 211-Internal thread; 212-Vertical groove; 22-Support frame; 221-Synchronization column; 222-Rotation channel; 223-Limiting protrusion; 23-Bearing; 231-First bearing; 232-Second bearing; 233-Third bearing;

[0051] 3-First step; 4-Second step; 5-Third step; 6-Elastic buffer; 7-Powder chamber. Detailed Implementation

[0052] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0053] In the description of this application, it should be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0054] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" or "several" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0055] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0056] Example 1

[0057] refer to Figures 1-4 This embodiment provides a rotary adjustment grinding device with shaft lifting and limiting function, which includes:

[0058] Grinding body 1; the grinding body 1 includes an inner blade mechanism 11, an outer blade mechanism 12, and a shaft mechanism 13; wherein:

[0059] The inner blade mechanism 11 is connected to the bottom of the shaft mechanism 13;

[0060] The outer blade mechanism 12 is connected to the grinding body 1;

[0061] Lifting adjustment unit 2; the lifting adjustment unit 2 includes a scale adjustment ring 21, a support frame 22, and a bearing 23; wherein:

[0062] The scale adjustment ring 21 is rotatably sleeved on the outside of the grinding body 1. By rotating the scale adjustment ring 21 circumferentially, the support frame 22 is rotated synchronously, and the shaft mechanism 13 is driven to move along the axial direction through the bearing 23. This is used to adjust the relative position between the inner blade mechanism 11 and the outer blade mechanism 12 axially, thereby adjusting the grinding particle size.

[0063] In actual use, since the grinding body 1 is always in a fixed state, when the scale adjustment ring 21 is rotated circumferentially, it will move relative to the grinding body 1 in the axial direction (vertical direction), and simultaneously drive the support frame 22 to rotate circumferentially and move axially. Furthermore, this sequentially drives the bearing 23 and the shaft mechanism 13 to move axially, ultimately adjusting the distance between the inner blade mechanism 11 and the outer blade mechanism 12 in the axial direction, thereby achieving control over the grinding particle size.

[0064] Example 2

[0065] refer to Figure 5 As an optional implementation, the inner side of the scale adjustment ring 21 is provided with an internal thread 211; the outer side of the grinding body 1 is provided with an external thread 14; wherein:

[0066] The internal thread 211 is adapted to the external thread 14.

[0067] In practical use, the rotary connection between the scale adjustment ring 21 and the grinding body 1 can be set as a threaded connection. When rotating at the same angle, the height of axial displacement can be adjusted by setting the spacing between adjacent threads. Therefore, using a threaded connection provides greater flexibility for future product upgrades.

[0068] Example 3

[0069] refer to Figure 6 As an optional implementation, the support frame 22 is provided with a synchronization column 221, and the inner side of the scale adjustment ring 21 is provided with a vertical groove 212; wherein:

[0070] The synchronizing column 221 engages and abuts against the vertical groove 212 to ensure that the support frame 22 rotates synchronously when the scale adjustment ring 21 is rotated circumferentially. (For ease of observation, in...) Figure 6 In the process, the synchronizing column is exploded vertically downward from the support frame 22. However, in actual operation, the synchronizing column 221 is fitted and set on the support frame 22.

[0071] This configuration ensures the rotational synchronization between the scale adjustment ring 21 and the support frame 22, and increasing the number of synchronization columns 221 also enhances the stability of synchronous rotation.

[0072] refer to Figure 7 As an optional implementation, the vertical grooves 212 are uniformly arranged circumferentially, and the grinding body 1 is further provided with elastic protrusions 15; wherein:

[0073] The elastic protrusion 15 is fixedly installed; when the scale adjustment ring 21 rotates circumferentially, the elastic protrusion 15 and the vertical groove 212 press against each other to produce a sound, which prompts the user in the form of sound feedback.

[0074] Example 4

[0075] refer to Figure 5 , Figure 8 , Figure 9 As an optional implementation, the support frame 22 is further provided with a rotating channel 222 and a limiting protrusion 223, and the grinding body 1 is further provided with a limiting stop 16; wherein:

[0076] The rotating channel 222 is arranged circumferentially;

[0077] The limiting protrusion 223 is fixedly disposed on the support frame 22 and located inside the rotating channel 222;

[0078] The limiting block 16 is fixedly disposed on the grinding body 1 and located inside the rotating channel 222;

[0079] When the support frame 22 rotates synchronously, the limiting protrusion 223 moves circumferentially away from one side of the limiting block 16 until it abuts against the other side of the limiting block 16.

[0080] This design ensures that the rotation arc of the scale adjustment ring 21 is always less than 360 degrees, preventing it from being tightened too much and locking the grinding device. If a smaller rotation angle is desired, two limit blocks 16 can be installed so that the limit protrusion 223 moves only between the two limit blocks 16.

[0081] Example 5

[0082] refer to Figure 3 As an optional implementation, the bearing 23 includes a first bearing 231, a second bearing 232, and a third bearing 233, wherein:

[0083] The first bearing 231 is sleeved on the upper part of the shaft mechanism 13;

[0084] The second bearing 232 is sleeved in the middle of the shaft mechanism 13;

[0085] The third bearing 233 is sleeved on the lower part of the shaft mechanism 13.

[0086] Example 6

[0087] refer to Figure 5 As an optional implementation, the rotary adjusting grinding device with shaft lifting and limiting function is further provided with a first step 3, a second step 4, and a third step 5; wherein:

[0088] The scale adjustment ring 21 abuts against the support frame 22 via the first step 3;

[0089] The support frame 22 abuts against the first bearing 231 via the second step 4;

[0090] The first bearing 231 abuts against the shaft mechanism 13 via the third step 5.

[0091] Setting up steps allows the various mechanisms to support each other.

[0092] refer to Figure 10 As an optional implementation, the rotary adjusting grinding device with shaft lifting and limiting function is further provided with an elastic buffer 6; wherein:

[0093] The elastic buffer 6 is disposed between the third bearing 5 and the inner blade mechanism 11; the elastic buffer 6 can be a spring.

[0094] Example 7

[0095] refer to Figure 2 As an optional implementation, the rotary adjusting grinding device with shaft lifting and limiting function is further provided with a powder chamber 7; wherein:

[0096] The powder chamber 7 is disposed in the grinding body 1 and is used to directly contain the ground powder.

[0097] With this design, the ground powder (such as coffee bean powder) falls directly into the powder chamber 7 under gravity, making it easier to collect.

[0098] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model 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 utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A rotary adjusting grinding device with shaft lifting and limiting function, characterized in that, include: Grinding body; The grinding body includes an inner blade mechanism, an outer blade mechanism, and a shaft mechanism; wherein: The inner blade mechanism is connected to the bottom of the shaft mechanism; The outer blade mechanism is connected to the grinding body; The lifting adjustment part includes a scale adjustment ring, a support frame, and a bearing; wherein: The scale adjustment ring is rotatably sleeved on the outside of the grinding body. By rotating the scale adjustment ring circumferentially, the support frame rotates synchronously, and the bearing drives the shaft mechanism to move along the axial direction, thereby adjusting the relative position between the inner blade mechanism and the outer blade mechanism, and thus adjusting the grinding particle size.

2. The rotary adjusting grinding device with shaft lifting and limiting function according to claim 1, characterized in that, The inner side of the scale adjustment ring is provided with an internal thread; the outer side of the grinding body is provided with an external thread; wherein: The internal thread is adapted to the external thread.

3. The rotary adjusting grinding device with shaft lifting and limiting function according to claim 1, characterized in that, The support frame is equipped with a synchronization column, and the inner side of the scale adjustment ring is provided with a vertical groove; wherein: The synchronizing column engages with the vertical groove to ensure that the support frame rotates synchronously when the scale adjustment ring is rotated circumferentially.

4. The rotary adjusting grinding device with shaft lifting and limiting function according to claim 3, characterized in that, The vertical grooves are evenly distributed circumferentially, and the grinding body is also provided with elastic protrusions; wherein: The elastic protrusion is fixedly installed; when the scale adjustment ring rotates circumferentially, the elastic protrusion and the vertical groove squeeze against each other to produce a sound, providing sound feedback to the user.

5. The rotary adjusting grinding device with shaft lifting and limiting function according to claim 1, characterized in that, The support frame is also provided with a rotating channel and a limiting protrusion, and the grinding body is also provided with a limiting stop; wherein: The rotating channel is circumferentially arranged; The limiting protrusion is fixedly mounted on the support frame and located inside the rotating channel; The limiting block is fixedly mounted on the grinding body and located inside the rotating channel; When the support frame rotates synchronously, the limiting protrusion moves circumferentially away from one side of the limiting block until it abuts against the other side of the limiting block.

6. The rotary adjusting grinding device with shaft lifting and limiting function according to claim 1, characterized in that, The bearing includes a first bearing, a second bearing, and a third bearing, wherein: The first bearing is sleeved on the upper part of the shaft mechanism; The second bearing is sleeved in the middle of the shaft mechanism; The third bearing is sleeved on the lower part of the shaft mechanism.

7. The rotary adjusting grinding device with shaft lifting and limiting function according to claim 6, characterized in that, It also includes a first step, a second step, and a third step; among which: The scale adjustment ring abuts against the support frame via the first step; The support frame abuts against the first bearing via a second step; The first bearing abuts against the shaft mechanism via a third step.

8. The rotary adjusting grinding device with shaft lifting and limiting function according to claim 6, characterized in that, It also features a flexible buffer; among which: The elastic buffer is disposed between the third bearing and the inner blade mechanism.

9. The rotary adjusting grinding device with shaft lifting and limiting function according to claim 1, characterized in that, A powder chamber is also provided; wherein: The powder chamber is located in the grinding body and is used to directly contain the ground powder.

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