Grinder capable of being adjusted in rotating mode
Technical Field
The utility model relates to the technical field of grinding equipment, in particular to a rotatable and adjustable grinder.
Background
The manual coffee grinder is a device for grinding coffee beans into coffee powder through manual operation, is widely applied to families, offices and outdoor scenes, has the core functions of grinding the coffee beans into particles with the size suitable for brewing through manual rotation of a grinding handle, and is popular with coffee lovers because of the portability, no electric drive and the capability of providing fresh ground coffee powder.
However, the existing manual coffee grinder still has a certain defect in structure, and mainly is that most of the existing manual coffee grinders do not have the function of adjusting the size of the grinding particles, and cannot meet the requirement that a user adjusts the thickness of the grinding particles according to different coffee brewing demands, so that the user cannot obtain the optimal coffee flavor and taste.
Although some grinders are equipped with a function of adjusting the size of the grinding particles, a large clearance exists in the structure of the adjusting part above the grinder, particularly when the grinding particle size is adjusted to the minimum, the adjusting part stretches towards the feeding direction, so that obvious shaking is generated in the using process.
Disclosure of utility model
The utility model provides a rotatable grinder, which solves the problems that the prior grinder provided in the background art is inconvenient to adjust the size of grinding particles and an adjusting part shakes during use.
The technical scheme of the utility model is realized as follows:
a rotationally adjustable grinder, comprising:
the barrel body is internally provided with a discharging channel which is convenient for materials to pass through;
The lifting sleeve is rotatably and liftably arranged at the position above the center of the cylinder;
The through rod penetrates through the central holes of the lifting sleeve and the cylinder body;
a grinding inner core which is arranged at the lower end position of the through rod;
the spring is sleeved between the grinding inner core and the cylinder body;
The retainer ring with the diameter larger than the size of the central hole of the lifting sleeve is arranged on the outer wall of the through rod, when the lifting sleeve ascends, the through rod can be driven to move upwards, and when the lifting sleeve moves downwards, the through rod and the grinding inner core can be driven to move downwards under the action of spring force.
Preferably, the lifting device also comprises an adjusting knob which is rotatably arranged above the cylinder body, the adjusting knob is rotatably connected with the lifting sleeve, and the adjusting knob and the lifting sleeve can relatively move in the axial direction;
A first limiting structure used for limiting the excessive rotation of the adjusting knob and a second limiting structure used for limiting the excessive movement of the adjusting knob along the axial direction are arranged between the adjusting knob and the cylinder body.
Preferably, the first limit structure comprises a locating plate located at the lower edge of the adjusting knob and extending downwards, a limit part is arranged at the position of a movement path of the locating plate on the cylinder body, and the locating plate can be contacted with the limit part when rotating along with the adjusting knob and moving to the position of the limit part, so that the limit of the adjusting knob is realized.
Preferably, the second limiting structure comprises an annular groove arranged at the outer wall of the adjusting knob, and a limiting block capable of being arranged in the annular groove is arranged at the inner wall of the cylinder.
Preferably, at least one spring plunger is arranged in the circumferential direction of the adjusting knob, grooves matched with the spring plunger are uniformly distributed in the inner wall of the cylinder body, and the steel ball end of the spring plunger can be abutted to the grooves.
Preferably, a top cover capable of axially moving relative to the through rod is arranged at the top end of the through rod, and a driving handle is arranged on the top cover.
Preferably, a bushing is arranged between the cylinder body and the spring, and the bushing is sleeved on the through rod and is connected with the through rod in a synchronous rotation mode.
Preferably, the lower end of the through rod is provided with a gasket which is connected with the through rod in a synchronous rotating way, the edge of the gasket is provided with a limiting plate which is bent upwards, and the limiting plate can be inserted into a limiting hole formed in the bottom of the grinding inner core so as to prevent the grinding inner core from rotating relative to the through rod, and the lower end of the through rod is in threaded connection with a nut.
Preferably, the method further comprises:
The connecting base is fixed at the lower end of the cylinder;
The grinding seat is fixed between the cylinder body and the connecting base, the grinding inner core is positioned in the center of the grinding seat, a grinding cavity is formed between the grinding inner core and the grinding seat, and the grinding cavity is communicated with a discharging channel in the cylinder body;
The receiving cup is detachably connected to the lower end of the connecting base.
Preferably, the material receiving cup is made of transparent materials.
By adopting the technical scheme, the utility model has the beneficial effects that:
According to the utility model, through the structural design of the lifting sleeve, the spring and the adjusting knob which can be adjusted in a rotating way, the precise adjustment of the size of the grinding particles can be realized, the flexible adjustment of the grinding thickness of a user according to the brewing demands of different coffee is satisfied, the problem of shaking and falling of parts generated when grinding finer particles can be effectively avoided by combining the limiting structure, the grinding precision and consistency are improved, and the state of coffee powder can be conveniently observed by utilizing the transparent receiving cup.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
FIG. 4 is an exploded view of the pass lever, washer and nut of the present utility model;
FIG. 5 is a perspective view of an adjustment knob according to the present utility model;
FIG. 6 is a second perspective view of the adjustment knob of the present utility model;
FIG. 7 is a perspective view of the cartridge of the present utility model;
FIG. 8 is a perspective view of a lifting cover of the present utility model;
FIG. 9 is a perspective view of a bushing of the present utility model;
Fig. 10 is a perspective view of the polishing pad of the present utility model.
Wherein:
1. The device comprises a cylinder body, 101, a yielding groove, 102, a groove, 103, a limiting block, 104, a limiting part, 105, a blanking channel, 106, an internal thread, 107, a connecting plate, 2, a grinding seat, 201, a first plane part, 3, a connecting base, 4, a receiving cup, 5, a nut, 6, a gasket, 601, a strip-shaped hole, 602, a limiting plate, 7, a grinding inner core, 701, a limiting hole, 8, a through rod, 801, a second plane part, 9, a spring, 10, a bushing, 1001, a positioning hole, 11, a lifting sleeve, 1101, a positioning outer wall, 1102, a flange, 1103, an external thread, 12, a retainer ring, 13, an adjusting knob, 1301, a positioning plate, 1302, an inner hole, 1303, an annular groove, 14, a spring plunger, 15, a driving handle, 16 and a top cover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-10, a rotationally adjustable grinder comprises a cylinder body 1, a grinding seat 2, a connecting base 3, a receiving cup 4, a lifting sleeve 11, a through rod 8, a grinding inner core 7, a spring 9, an adjusting knob 13 and the like. Wherein:
The barrel 1 is provided with a blanking channel 105 inside, which is convenient for materials to pass through, in this example, the inner wall of the barrel 1 is provided with three connecting plates 107 which are uniformly arranged and extend towards the center direction, the middle part of the barrel 1 is of a cylindrical structure, and the blanking channel 105 is positioned between two adjacent connecting plates 107.
The lifting sleeve 11 is rotatably and liftably arranged at the position above the center of the cylinder body 1, specifically, an external thread 1103 is arranged below the outer wall of the lifting sleeve 11, an internal thread 106 is arranged inside the cylinder structure of the cylinder body 1, and the two are matched in a threaded connection mode, so that the lifting sleeve 11 can rotate and lift relative to the cylinder body 1, more specifically, the upper edge of the lifting sleeve 11 is provided with a flange 1102 extending outwards, and the problem that the lifting sleeve 11 excessively descends to be locked with the cylinder body 1 is avoided.
The through rod 8 penetrates through the lifting sleeve 11 and the central hole of the cylinder 1, wherein the cross-sectional shape of the through rod 8 is a regular polygon, more specifically, in this example, the cross-sectional shape is a regular hexagon, and in addition, the through rod may be a regular quadrilateral, a regular pentagon, or the like, which is not limited herein.
The grinding inner core 7 is installed at the lower end position of the through rod 8, and in this example, the grinding inner core 7 is sleeved at the lower end position of the through rod 8.
The spring 9 is sleeved between the grinding inner core 7 and the cylinder 1, in this example, a bushing 10 is installed between the cylinder 1 and the spring 9, the bushing 10 is sleeved on the through rod 8 and is connected with the through rod 8 in a synchronous rotation mode, a positioning hole 1001 with the same section shape as the through rod 8 is formed in the bushing 10, and the positioning hole 1001 is used for preventing the spring 9 from being in direct contact with the cylinder 1 in the process of rotating the spring 9 relative to the cylinder 1, so that the friction-reducing protection effect on the spring 9 and the cylinder 1 is achieved.
The outer wall of the through rod 8 is provided with a retainer ring 12 with the diameter larger than the size of the central hole of the lifting sleeve 11, when the lifting sleeve 11 ascends, the through rod 8 can be driven to move upwards, and when the lifting sleeve 11 moves downwards, the through rod 8 and the grinding inner core 7 can be driven to move downwards under the action of the elasticity of the spring 9.
Specifically, the lifting device further comprises an adjusting knob 13, the adjusting knob 13 is rotatably arranged above the cylinder body 1, the adjusting knob 13 is rotatably connected with the lifting sleeve 11, the adjusting knob 13 and the lifting sleeve 11 can relatively move in the axial direction, in the example, an inner hole 1302 of the adjusting knob 13 is a regular polygon hole, the outer wall of the lifting sleeve 11 is provided with a positioning outer wall 1101 which is mutually matched with the inner hole 1302 of the adjusting knob 13, so that the lifting sleeve 11 can be driven to rotate in the rotating process of the adjusting knob 13, and the lifting sleeve 11 is in threaded fit with the cylinder body 1 in a fixed state, and can move up and down relative to the adjusting knob 13.
A first limit structure for limiting excessive rotation of the adjustment knob 13 and a second limit structure for limiting excessive movement of the adjustment knob 13 in the axial direction are provided between the adjustment knob 13 and the cylinder 1.
Specifically, the first limit structure includes a positioning plate 1301 located at the lower edge of the adjusting knob 13 and extending downward, a limit portion 104 is disposed at a position of a movement path of the positioning plate 1301 on the cylinder 1, in this example, a recess 101 is formed at the top of two connecting plates 107 of the cylinder 1 and located on a movement path of the positioning plate 1301, and the limit portion 104 is also formed in a recess, where a depth of the recess 101 is greater than that of the limit portion 104, the positioning plate 1301 can pass through the recess 101 and cannot pass through the limit portion 104 in a rotating process of the adjusting knob 13, and when the positioning plate 1301 rotates along with the adjusting knob 13 and moves to a position where the limit portion 104 is located, the positioning plate 1301 can contact with the limit portion 104, thereby realizing limit of the adjusting knob 13 and preventing the adjusting knob 13 from over rotating.
Specifically, the second limiting structure includes an annular groove 1303 formed at the outer wall of the adjusting knob 13, and a limiting block 103 capable of being placed in the annular groove 1303 is disposed at the inner wall of the cylinder 1. The lifting sleeve 11 can move up and down, and the annular groove 1303 and the limiting block 103 are arranged, so that the lifting sleeve 11 and the adjusting knob 13 can be prevented from moving up and down due to overlarge friction, and an axial limiting effect of the adjusting knob 13 is achieved.
Specifically, at least one spring plunger 14 is installed to the circumferencial direction of adjust knob 13, barrel 1 inner wall position evenly distributed has with spring plunger 14 assorted recess 102, the steel ball end of spring plunger 14 can the butt in recess 102 department for in the in-process of rotating adjust knob 13, make the user can perceive adjust knob 13's rotation position, thereby reinforcing operational accuracy and control lever, promote the operation feel, and further, in this example, barrel 1's outer wall top still is equipped with the scale mark, adjust knob 13 outer wall is equipped with the instruction mark, can be convenient for the user to look over adjust knob 13's rotation position, thereby improve adjust knob 13's rotation precision.
Specifically, the top end of the through rod 8 is provided with a top cover 16 capable of axially moving relative to the through rod 8, the top cover 16 is provided with a driving handle 15, a user can rotate the driving handle 15 to drive the top cover 16 to rotate, and the cross section shape of the central hole of the top cover 16 is consistent with that of the through rod 8, so that the through rod 8 can be driven to rotate.
Specifically, the lower extreme of the through rod 8 is provided with a gasket 6 which is connected with the through rod 8 in a synchronous rotation way, wherein, the central hole of the gasket 6 is a bar-shaped hole 601, the outer wall position of the thread end of the lower end of the through rod 8 is provided with a second plane 801 which is symmetrically arranged, the thread end passes through the bar-shaped hole 601, thereby the through rod 8 and the gasket 6 can synchronously rotate, the edge of the gasket 6 is provided with a limiting plate 602 which is bent upwards, the limiting plate 602 can be inserted into the limiting hole 701 arranged at the bottom of the grinding inner core 7, the limiting hole 701 is arranged at the eccentric position of the grinding inner core 7 so as to prevent the grinding inner core 7 from rotating relative to the through rod 8, the thread end of the through rod 8 is connected with a nut 5, and the bar-shaped hole 601 can drive the grinding inner core 7 to rotate together when the through rod 8 rotates.
Specifically, the method further comprises the following steps:
A connection base 3 fixed at the lower end of the cylinder 1;
The grinding seat 2 is fixed between the cylinder 1 and the connecting base 3, the grinding inner core 7 is positioned at the center of the grinding seat 2, a grinding cavity is formed between the grinding inner core 7 and the grinding seat 2, the grinding cavity is communicated with the blanking channel 105 in the cylinder 1, the outer wall of the grinding seat 2 is provided with a first plane part 201, the cross section shape of the lower part of the inner wall of the cylinder 1 is the same as that of the outer wall of the grinding seat 2, the relative rotation between the grinding seat 2 and the cylinder 1 can be prevented, and in addition, the upper end and the lower end of the grinding seat 2 are limited by the cylinder 1 and the connecting base 3 respectively, so that the fixed installation effect of the grinding seat 2 in the cylinder 1 is realized;
Connect material cup 4, its detachable connection is at the connection base 3 lower extreme, in this example, connects material cup 4 and connects for threaded connection between the base 3, can be convenient for connect the installation and the dismantlement of material cup 4, and connect material cup 4 for having transparent effect's material, for example glass material, epoxy, polyethylene terephthalate etc. mainly be convenient for the user observe the state of coffee powder when grinding the coffee.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.