Shaft lifting limiting grinding device

Abstract

The utility model belongs to the field of grinding equipment, and particularly relates to a shaft lifting limiting grinding device which mainly comprises a grinding body, an outer adjusting ring, a positioning rotation stopping ring and the like. When a user rotates the outer adjusting ring, the grinding core can be driven to move in the axial direction, and the grinding ring is fixedly connected with the grinding body and does not move in the axial direction, so that the distance between the grinding core and the grinding ring in the axial direction can be adjusted through the rotation degree, and the grinding granularity is controlled. It needs to be emphasized that the positioning rotation stopping ring synchronously arranged with the outer adjusting ring can only rotate within the circumferential range smaller than 360 degrees, so that the situation that a user continuously rotates the outer adjusting ring, and consequently the locking state is caused is avoided, and use and operation convenience is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of grinding equipment, specifically relates to a shaft lifting and limiting grinding device. BACKGROUND

[0002] The grinding device is widely used in life, taking coffee bean grinder as an example, it is a kind of equipment that grinds coffee beans into coffee powder.It is mainly driven by external force to rotate mechanical cutter, and coffee beans are cut and ground into powder to facilitate brewing coffee.

[0003] The existing coffee bean grinder has the following disadvantages:

[0004] When the outer adjusting ring is rotated in the forward direction or the reverse direction, the progress of rotation cannot be known, and it is often directly locked, which is not conducive to later use. INVENTION CONTENTS

[0005] In order to solve the problems existing in the prior art, the utility model provides a kind of shaft lifting and limiting grinding device, including:

[0006] Grinding body;The grinding body includes grinding ring, grinding core, grinding shaft, limiting column;Wherein:

[0007] The grinding ring and the limiting column are connected with the grinding body, and the grinding core is connected with the grinding shaft;

[0008] Outer adjusting ring;The outer adjusting ring is sleeved on the outer side of the grinding body;Wherein:

[0009] When the outer adjusting ring is rotated circumferentially, the grinding shaft and the grinding core are synchronously axially lifted, to adjust the relative position between the grinding core and the grinding ring, and adjust the grinding particle size;

[0010] Positioning stop ring;The positioning stop ring is sleeved on the inner side of the outer adjusting ring, and the outer side and the inner side of the positioning stop ring are respectively provided with outer convex mechanism and inner convex mechanism;Wherein:

[0011] The outer convex mechanism is abutted with the outer adjusting ring, so that the positioning stop ring is synchronously rotated with the outer adjusting ring;

[0012] When the outer adjusting ring starts to rotate circumferentially, the inner convex mechanism starts to rotate circumferentially from one side of the limiting column, and stops rotating until the other side of the limiting column is abutted.

[0013] As an optional embodiment, the grinding body further includes lifting support;Wherein:

[0014] The lifting support is sleeved on the inner side of the outer adjusting ring and the outer side of the grinding shaft.

[0015] As an optional implementation, the inner side of the outer adjusting ring is provided with an inner thread, and the outer side of the lifting support is provided with an outer thread; wherein:

[0016] The inner thread is matched with the outer thread.

[0017] As an optional implementation, the grinding shaft further comprises a shaft locking nut; wherein:

[0018] The lifting support is in abutment with the shaft locking nut, so as to synchronously drive the lifting of the grinding shaft.

[0019] As an optional implementation, the grinding body further comprises an axial guide groove; wherein:

[0020] The axial guide groove is matched with the lifting support, so that the lifting support moves up and down in the axial direction during the rotation of the outer adjusting ring.

[0021] As an optional implementation, the inner side of the outer adjusting ring is provided with a scale groove, which is uniformly distributed in the circumferential direction and is in abutment with the outer convex mechanism;

[0022] The inner side of the outer adjusting ring is further provided with an elastic protrusion; the elastic protrusion is fixedly arranged, and when the outer adjusting ring rotates circumferentially, the elastic protrusion and the scale groove are extruded to emit a sound, so as to prompt the user in the form of sound feedback.

[0023] As an optional implementation, the grinding body further comprises a limiting groove; wherein:

[0024] The limiting groove is matched with the limiting column, so that the limiting column is embedded in the limiting groove.

[0025] As an optional implementation, the grinding body further comprises a first rotation-stopping column; wherein:

[0026] The first rotation-stopping column is arranged in abutment on the outer side of the grinding ring and the inner side of the grinding body, so that the grinding ring and the grinding body are kept fixed.

[0027] As an optional implementation, the bottom of the grinding shaft is further provided with a second rotation-stopping column; wherein:

[0028] The second rotation-stopping column is used to connect the grinding core and the grinding shaft, so that the grinding core rotates synchronously in the circumferential direction and grinds when the grinding shaft rotates in the circumferential direction.

[0029] As an optional implementation, the grinding body further comprises a hand crank mechanism and a grinding chamber; wherein:

[0030] The hand-operated mechanism is arranged on the top of the grinding main body and connected with the grinding shaft, and is used for rotating the grinding shaft.

[0031] The grinding chamber is arranged on the bottom of the grinding main body and is used for collecting the ground powder.

[0032] The utility model discloses beneficial effects are:

[0033] Taking the grinding device as a coffee bean grinder as an example, before starting to grind, the position between the grinding ring and the grinding core often needs to be adjusted by rotating the outer adjusting ring, specifically:

[0034] When the user rotates the outer adjusting ring, the grinding core is moved in the axial direction, and the grinding ring is fixedly connected with the grinding main body and does not move in the axial direction, so that the distance between the grinding core and the grinding ring in the axial direction can be adjusted by the degree of rotation, and the granularity of grinding is controlled. It should be emphasized that the positioning stop ring arranged synchronously with the outer adjusting ring can only rotate in a circumferential range less than 360o, which avoids the user from continuously rotating the outer adjusting ring to cause a locked state, and ensures the convenience of use and operation. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0036] Figure 1 It is the schematic diagram of the shaft lifting limit position grinding device.

[0037] Figure 2 It is the sectional view of the shaft lifting limit position grinding device.

[0038] Figure 3 It is the explosion view of the shaft lifting limit position grinding device.

[0039] Figure 4 It is the first kind of partial explosion view of the shaft lifting limit position grinding device.

[0040] Figure 5 It is the second kind of partial explosion view of the shaft lifting limit position grinding device.

[0041] Figure 6 It is the third kind of partial explosion view of the shaft lifting limit position grinding device.

[0042] Figure 7 It is the first kind of partial structure schematic diagram of the shaft lifting limit position grinding device.

[0043] Figure 8 is the fourth partial exploded view of the shaft lifting and limiting grinding device.

[0044] Figure 9 is the fifth partial exploded view of the shaft lifting and limiting grinding device.

[0045] Figure 10 is the second partial structural schematic view of the shaft lifting and limiting grinding device.

[0046] Figure 11 is the sixth partial exploded view of the shaft lifting and limiting grinding device.

[0047] Figure 12 is the seventh partial exploded view of the shaft lifting and limiting grinding device.

[0048] Figure 13 is the eighth partial exploded view of the shaft lifting and limiting grinding device.

[0049] Figure 14 is the ninth partial exploded view of the shaft lifting and limiting grinding device.

[0050] The reference signs in the drawings are:

[0051] 1-grinding main body; 11-grinding ring; 12-grinding core; 13-grinding shaft; 131-shaft locking nut; 132-second rotation-stopping column; 133-rotation-stopping column insertion hole; 14-limiting column; 141-limiting groove; 15-lifting support; 151-outer thread; 16-axial guide groove; 17-first rotation-stopping column; 18-hand-operated mechanism; 19-grinding chamber.

[0052] 2-outer adjusting ring; 21-inner thread; 22-scale groove; 23-elastic protrusion.

[0053] 3-positioning rotation-stopping ring; 31-outer convex mechanism; 32-inner convex mechanism. DETAILED DESCRIPTION

[0054] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0055] In the description of the present application, it needs to be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0056] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of", "several" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0057] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0058] Embodiment 1

[0059] Reference Figures 1-5 The embodiment provides a shaft lifting limiting grinding device, which comprises:

[0060] A grinding body 1; the grinding body comprises a grinding ring 11, a grinding core 12, a grinding shaft 13 and a limiting column 14; wherein:

[0061] The grinding ring 11 and the limiting column 14 are connected with the grinding body 1, and the grinding core 12 is connected with the grinding shaft 13;

[0062] An outer adjusting ring 2; the outer adjusting ring 2 is sleeved on the outer side of the grinding body 1; wherein:

[0063] When the outer adjusting ring 2 is circumferentially rotated, the grinding shaft 13 and the grinding core 12 are synchronously axially lifted, so as to adjust the relative position between the grinding core 12 and the grinding ring 11, and adjust the grinding particle size;

[0064] A positioning stop ring 3; the positioning stop ring 3 is sleeved on the inner side of the outer adjusting ring 2, and the outer side and the inner side of the positioning stop ring 3 are respectively provided with an outer convex mechanism 31 and an inner convex mechanism 32; wherein:

[0065] The outer convex mechanism 31 is in abutment with the outer adjusting ring 2, so that the positioning rotation-stopping ring 3 rotates synchronously with the outer adjusting ring 2;

[0066] When the outer adjusting ring 2 starts to rotate circumferentially, the inner convex mechanism 32 starts to rotate circumferentially from one side of the limiting column 14 until it abuts against the other side of the limiting column 14, and the rotation stops.

[0067] Embodiment 2

[0068] With reference to Figure 6 As an optional embodiment, the grinding body further comprises a lifting support 15; wherein:

[0069] The lifting support 15 is sleeved on the inner side of the outer adjusting ring 2 and on the outer side of the grinding shaft 13.

[0070] As an optional embodiment, the inner side of the outer adjusting ring 2 is provided with an inner thread 21, and the outer side of the lifting support 15 is provided with an outer thread 151; wherein:

[0071] The inner thread 21 is adapted to the outer thread 151.

[0072] With reference to Figure 7 As an optional embodiment, the grinding shaft 13 further comprises a shaft locking nut 131; wherein:

[0073] The lifting support 15 is in abutment with the shaft locking nut 131, so as to synchronously drive the lifting of the grinding shaft 13.

[0074] With reference to Figure 8 As an optional embodiment, the grinding body 1 further comprises an axial guide groove 16; wherein:

[0075] The axial guide groove 16 is adapted to the lifting support 15, so that the lifting support 15 only moves up and down in the axial direction during the rotation of the outer adjusting ring 2.

[0076] Embodiment 3

[0077] With reference to Figure 9 As an optional embodiment, the inner side of the outer adjusting ring 2 is provided with a scale groove 22, which is uniformly distributed circumferentially and is in abutment with the outer convex mechanism 31.

[0078] With reference to Figure 10 The inner side of the outer adjusting ring 2 is further provided with an elastic protrusion 23; the elastic protrusion 23 is fixedly arranged, and when the outer adjusting ring 2 rotates circumferentially, the elastic protrusion 23 is pressed against the scale groove 22 to emit a sound, thereby prompting the user in the form of sound feedback.

[0079] Reference Figure 11 As an optional implementation, the grinding body 1 further comprises a limiting groove 141; wherein:

[0080] The limiting groove 141 is matched with the limiting column 14, so that the limiting column 14 is embedded in the limiting groove 141.

[0081] Embodiment 4

[0082] Reference Figure 12 As an optional implementation, the grinding body 1 further comprises a first rotation-stopping column 17; wherein:

[0083] The first rotation-stopping column 17 is clamped and arranged on the outside of the grinding ring 11 and the inside of the grinding body 1, so that the grinding ring 11 and the grinding body 1 are kept fixed.

[0084] Reference Figure 13 and Figure 14 As an optional implementation, the bottom of the grinding shaft 13 further comprises a second rotation-stopping column 132; wherein:

[0085] The second rotation-stopping column 132 is used to connect the grinding core 12 and the grinding shaft 13 (through a rotation-stopping column insertion hole 133), so that the grinding core 12 is synchronously rotated in the circumferential direction and grinds when the grinding shaft 13 rotates in the circumferential direction.

[0086] Embodiment 5

[0087] Reference Figure 1 and Figure 2 As an optional implementation, the grinding body 1 further comprises a hand-cranking mechanism 18 and a grinding chamber 19; wherein:

[0088] The hand-cranking mechanism 18 is arranged on the top of the grinding body 1 and connected with the grinding shaft 13, and is used to rotate the grinding shaft;

[0089] The grinding chamber 19 is arranged on the bottom of the grinding body 1 and is used to collect the ground powder.

[0090] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A shaft-lifting stopper polishing device characterized by comprising: include: Grinding body; The grinding body includes a grinding ring, a grinding core, a grinding shaft, and a limiting post; wherein: The grinding ring and the limiting post are connected to the grinding body, and the grinding core is connected to the grinding shaft; An outer adjusting ring; the outer adjusting ring is sleeved on the outside of the grinding body; wherein: When the outer adjusting ring is rotated circumferentially, the grinding shaft and the grinding core move up and down axially in sync, thereby adjusting the relative position between the grinding core and the grinding ring and adjusting the grinding particle size. A positioning anti-rotation ring; the positioning anti-rotation ring is sleeved on the inner side of the outer adjusting ring, and an outwardly convex mechanism and an inwardly convex mechanism are respectively radially arranged on the outer and inner sides of the positioning anti-rotation ring; wherein: The protruding mechanism abuts against the outer adjusting ring so that the positioning anti-rotation ring rotates synchronously with the outer adjusting ring; When the outer adjusting ring begins to rotate circumferentially, the inner convex mechanism begins to rotate circumferentially from one side of the limiting post until it abuts against the other side of the limiting post, at which point the rotation stops.

2. The shaft-lifting stopper polishing device according to claim 1, wherein The grinding body also includes a lifting support; wherein: The lifting bracket is fitted inside the outer adjusting ring and outside the grinding shaft.

3. The shaft-lifting stopper polishing device according to claim 2, wherein The inner side of the outer adjusting ring is provided with an internal thread, and the outer side of the lifting bracket is provided with an external thread; wherein: The internal thread is adapted to the external thread.

4. The shaft-lifting stopper polishing device according to claim 2, wherein The grinding shaft also includes a shaft locking nut; wherein: The lifting bracket abuts against the shaft locking nut, thus synchronously driving the grinding shaft to rise and fall.

5. The shaft-lifting stopper-polishing device according to claim 2, wherein The grinding body further includes an axial guide groove; wherein: The axial guide groove is adapted to the lifting bracket so that during the rotation of the outer adjusting ring, the lifting bracket only moves up and down in the axial direction.

6. The shaft-lifting stopper-polishing device according to claim 1, wherein The inner side of the outer adjusting ring is provided with a scale groove, which is evenly distributed circumferentially and abuts against the outer convex mechanism; The inner side of the outer adjustment ring is also provided with an elastic protrusion; the elastic protrusion is fixedly set, and when the outer adjustment ring rotates circumferentially, the elastic protrusion and the scale groove squeeze against each other to make a sound, which prompts the user in the form of sound feedback.

7. The shaft-lifting stopper-polishing device according to claim 1, wherein The grinding body further includes a limiting groove; wherein: The limiting groove is adapted to the limiting post so that the limiting post is embedded in the limiting groove.

8. The shaft-lifting stopper-polishing device according to claim 1, wherein The grinding body further includes a first anti-rotation post; wherein: The first anti-rotation post is snapped onto the outer side of the grinding ring and the inner side of the grinding body to keep the grinding ring and the grinding body fixed.

9. The shaft-lifting stopper-polishing device according to claim 1, wherein A second anti-rotation post is also provided at the bottom of the grinding shaft; wherein: The second anti-rotation post is used to connect the grinding core and the grinding shaft so that the grinding core rotates synchronously and performs grinding when the grinding shaft rotates circumferentially.

10. The shaft-lifting stopper-polishing device according to claim 1, wherein The grinding body further includes a hand-crank mechanism and a grinding chamber; wherein: The hand crank mechanism is located on the top of the grinding body and connected to the grinding shaft for rotating the grinding shaft; The grinding chamber is located at the bottom of the grinding body and is used to collect the ground powder.

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