Novel bean grinder structure

Abstract

The utility model relates to the technical field of bean grinders, and particularly discloses a novel bean grinder structure which comprises a shell, a support and an outer cutter head installed at the bottom of the support are arranged in the shell, a rotating shaft is arranged on the inner side of the support, a bearing, a spring and an inner cutter head are arranged on the outer side of the rotating shaft in a sleeved mode, and the inner cutter head is located on the inner side of the outer cutter head. The outer side of the rotating shaft is sleeved with a spring spacer bush and a bean blocking piece, the spring abuts against the bearing and the spring spacer bush, the bean blocking piece abuts against the spring spacer bush and the inner cutter disc, a bean inlet is formed in the bean blocking piece, and the outer side of the bottom of the rotating shaft is connected with a scale adjusting knob abutting against the inner cutter disc. According to the coffee bean grinder, the bean inlet is formed in the bean blocking piece to control the bean inlet amount during grinding, labor is saved, meanwhile, the manufacturing cost is reduced, maintenance is convenient, the coffee bean grinder is more portable, direct contact between coffee beans and the spring is blocked through the spring spacer bush, the lower residual powder amount can be achieved, and the coffee bean grinder is cleaner and more sanitary.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bean grinder technical field, especially a novel bean grinder structure. BACKGROUND

[0002] With the improvement of people's living standards, people are more and more pursuing quality life, coffee is gradually linked with the quality life that people pursue, so coffee grinder also emerges as the times require, becomes an important appliance that people use before brewing coffee.

[0003] Through the search, the Chinese utility model patent with patent application No. CN202321550674. X discloses a bean grinder, which comprises a first shell, a second shell, an inner grinding core, an outer grinding core and a main shaft. A hollow connecting part is arranged in the first shell, a first external thread is arranged outside the first shell, a first bearing is arranged in one end of the connecting part, and a second bearing is arranged in the other end. A first internal thread is arranged on the first end of the second shell, the first internal thread is matched with the first external thread, and the length of the first shell sleeved on the second shell is greater than two-thirds of the total length of the first shell. The inner grinding core is arranged in the outer grinding core, and there is a contact gap between the inner grinding core and the outer grinding core. The main shaft penetrates through the first bearing and the second bearing and is connected with the inner grinding core. The main shaft is matched with the first shell to rotate the first shell to adjust the contact gap between the inner grinding core and the outer grinding core, and the inner grinding core rotates with the main shaft. Thus, the concentricity of the bean grinder is ensured, and the grinding quality of the coffee beans is improved.

[0004] The existing bean grinder can meet the basic use requirements, but it needs large torque grinding, which is laborious. If a reducer is used to save labor, the cost is high, maintenance is difficult, it is not light enough, and coffee beans and springs are directly contacted, which has residual powder, is not sanitary. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to provide a novel bean grinder structure for the above defects of the prior art. The amount of beans entering during grinding is controlled by opening an entering bean port on the bean blocking piece, which saves labor, reduces production cost, is convenient to maintain, is more portable, and prevents direct contact between coffee beans and springs by setting a spring spacer, so that the residual powder amount is lower and it is cleaner and more sanitary.

[0006] In order to solve the above technical problems, the technical scheme of the utility model is:

[0007] The utility model provides a novel grinder structure, including the shell, the support and the outer cutter head installed in the support bottom are arranged in the shell, the inside of support is provided with the pivot, the outside of pivot is sleeved with bearing, spring and inner cutter head, the inside of pivot is sleeved with spring spacer and the blocking bean piece, spring is respectively with bearing and spring spacer abuts, the blocking bean piece is respectively with spring spacer and inner cutter head abuts, the blocking bean piece is equipped with the bean inlet, the bottom outside of pivot is connected with the scale adjustment knob of inner cutter head abut.

[0008] Preferably, the bottom of the blocking bean piece is provided with a transmission key, which is interlocked with the outside of the inner cutter head.

[0009] Preferably, the spring spacer is provided with a spring groove matched with the spring, and the spring is located in the spring groove.

[0010] Preferably, the outside of the pivot is sleeved with a bearing stopper, and the bearing stopper, bearing, spring, spring spacer, blocking bean piece, inner cutter head and scale adjustment knob are sequentially sleeved on the outside of the pivot from top to bottom.

[0011] Preferably, the cross section of the bean inlet is circular arc, and the transmission key is integrally connected with the blocking bean piece.

[0012] Preferably, the scale adjustment knob is provided with a pivot connecting groove, the inside of the pivot connecting groove is provided with an internal thread, and the bottom outside of the pivot is provided with an external thread matched with the internal thread.

[0013] The novel grinder structure has the following advantages: the shell is provided with the support and the outer cutter head installed at the bottom of the support, the inside of the support is provided with the pivot, the outside of the pivot is sleeved with the bearing, spring and inner cutter head, the inside of the pivot is sleeved with the spring spacer and blocking bean piece, the spring is respectively abutted with the bearing and spring spacer, the blocking bean piece is respectively abutted with the spring spacer and inner cutter head, the blocking bean piece is provided with the bean inlet, and the bottom outside of the pivot is connected with the scale adjustment knob abutted with the inner cutter head. The bean inlet is arranged on the blocking bean piece to control the amount of beans during grinding, which saves labor, reduces production cost, is convenient to maintain, more portable, and the spring spacer is arranged to prevent the direct contact between the coffee beans and the spring, so that the residual powder amount is lower, and it is cleaner and more sanitary. The position of the spring is limited by the spring spacer, so that the downward force of the spring is more uniform, the inner cutter head is more centrally stressed, the inner cutter head is prevented from being skewed, the grinding particle size is concentrated, and the coffee powder has good flavor. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is an exploded view of the utility model;

[0015] Figure 2 is another exploded view of the utility model;

[0016] Figure 3 is a perspective view of the utility model;

[0017] Figure 4 is another perspective view of the utility model;

[0018] Figure 5 is a longitudinal sectional view of the utility model;

[0019] In the figure, 1 is a shell, 2 is a support, 3 is an outer cutter head, 4 is a rotating shaft, 5 is a bearing, 6 is a spring, 7 is an inner cutter head, 8 is a spring spacer sleeve, 9 is a bean blocking piece, 10 is a bean inlet, 11 is a scale adjusting knob, 12 is a transmission key, 13 is a spring groove, 14 is a bearing blocking piece, and 15 is a rotating shaft connecting groove. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be further described below in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understand the utility model, but does not constitute the limitation of the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict.

[0021] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0022] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0023] As Figures 1-5As shown, the new grinder structure includes a housing 1, a support 2 and an outer cutter 3 mounted on the bottom of the support 2 are arranged in the housing 1, the inner side of the support 2 is provided with a rotating shaft 4, the outer side of the rotating shaft 4 is sleeved with a bearing 5, a spring 6 and an inner cutter 7, the inner cutter 7 is located on the inner side of the outer cutter 3, the outer side of the rotating shaft 4 is sleeved with a spring spacer 8 and a bean blocking piece 9, the spring 6 is respectively abutted with the bearing 5 and the spring spacer 9, the bean blocking piece 9 is respectively abutted with the spring spacer 8 and the inner cutter 7, the bean blocking piece 9 is provided with a bean inlet 10, and the bottom outer side of the rotating shaft 4 is connected with a scale adjusting knob 11 abutted with the inner cutter 7. It can be understood that the number of the bearing 5 is several, the outer side of the inner cutter 7 and the inner side of the outer cutter 3 can be provided with grinding teeth, and the inner cutter 7 is driven to rotate by rotating the rotating shaft during grinding, so that the coffee beans falling between the inner cutter 7 and the outer cutter 3 are ground.

[0024] Specifically, the bottom of the bean blocking piece 9 is provided with a transmission key 12 which is mutually connected with the outer side of the inner cutter 7, the transmission key 12 is driven to rotate by the rotation of the inner cutter 7, and then the bean blocking piece 9 is driven to rotate, so that the beans are conveniently put in; the spring spacer 8 is provided with a spring groove 13 matched with the spring 6, and the spring 6 is located in the spring groove 13; the outer side of the rotating shaft 4 is sleeved with a bearing blocking piece 14, the bearing blocking piece 14, the bearing 5, the spring 6, the spring spacer 8, the bean blocking piece 9, the inner cutter 7 and the scale adjusting knob 11 are sequentially sleeved on the outer side of the rotating shaft 4 from top to bottom; the cross section of the bean inlet 10 is arc-shaped, the transmission key 12 is integrally connected with the bean blocking piece 9; the scale adjusting knob 11 is provided with a rotating shaft connecting groove 15 on the inner side, the inner side of the rotating shaft connecting groove 15 is provided with an internal thread, and the bottom outer side of the rotating shaft 4 is provided with an external thread matched with the internal thread. It can be understood that the bean blocking piece 9 adopts a sheet metal bending process, the bent part can be used as the transmission key 12 to drive the bean blocking piece 9 by the inner cutter 7; the spring groove 13 is used to limit the position of the spring 6, and cooperates with the rotating shaft 4 to control the lifting of the inner cutter 7 by twisting the scale adjusting knob 11, so as to adjust the distance between the inner cutter 7 and the outer cutter 3, and then realize the adjustment of the grinding particle size.

[0025] It can be understood that the utility model has reasonable design and unique structure, the amount of beans put in can be reduced by increasing the bean blocking piece 9 to realize the reduction of torque, the amount of beans put in during grinding is controlled by opening the bean inlet 10 on the bean blocking piece 9, the production cost is reduced, the maintenance is convenient, it is more portable, the direct contact between the coffee beans and the spring 6 is blocked by the spring spacer 8, the residual powder amount is lower, it is cleaner and more sanitary; the position of the spring 6 is limited by the cooperation of the spring spacer 8, the downward force of the spring 6 is more uniform, the inner cutter 7 is more centrally stressed, the inner cutter 7 is prevented from being skewed, the grinding particle size is concentrated, and the coffee powder has good flavor.

[0026] The embodiments of the present application are described in detail in conjunction with the accompanying drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A novel coffee grinder structure, comprising a housing, a support frame and an outer blade disc mounted on the bottom of the support frame are disposed within the housing, a rotating shaft is disposed on the inner side of the support frame, and a bearing, a spring and an inner blade disc are sleeved on the outer side of the rotating shaft, the inner blade disc being located inside the outer blade disc, characterized in that: A spring spacer and a bean-blocking plate are fitted on the outer side of the rotating shaft. The spring abuts against the bearing and the spring spacer respectively, and the bean-blocking plate abuts against the spring spacer and the inner blade disc respectively. The bean-blocking plate has a bean inlet. A scale adjustment knob that abuts against the inner blade disc is connected to the outer bottom of the rotating shaft.

2. The novel coffee grinder structure according to claim 1, characterized in that: The bottom of the bean-blocking plate is provided with a transmission key, which is engaged with the outer side of the inner blade disc.

3. The novel coffee grinder structure according to claim 1, characterized in that: The spring spacer has a spring groove adapted to the spring, and the spring is located in the spring groove.

4. The novel coffee grinder structure according to claim 1, characterized in that: A bearing baffle is fitted on the outer side of the rotating shaft. The bearing baffle, bearing, spring, spring spacer, bead baffle, inner cutter disc and scale adjustment knob are all fitted on the outer side of the rotating shaft from top to bottom.

5. The novel coffee grinder structure according to claim 2, characterized in that: The cross-section of the bean inlet is arc-shaped, and the transmission key is integrally connected with the bean-blocking plate.

6. The novel coffee grinder structure according to claim 1, characterized in that: The scale adjustment knob has a shaft connection groove, the inner side of the shaft connection groove is provided with an internal thread, and the bottom outer side of the shaft is provided with an external thread that matches the internal thread.

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