Blade device and food processor having same

Abstract

A blade device and a food processor having same. The blade device comprises a blade base (1) and a first blade (2), wherein the first blade (2) is arranged on the blade base (1), the blade base (1) is provided with a first blocking part (11), the first blocking part (11) is located on one side of the connection point of blade base (1) and the first blade (2), and a clearance space (21) is formed on the first blade (2) at the position corresponding to the first blocking part (11). In the blade device, by virtue of the fit between the first blocking part (11) on the blade base (1) and the clearance space (21) of the first blade (2), food material is unlikely to get stuck in the first blade (2), thereby improving the cutting effect.

Description

Knife device and food processor thereof Technical Field

[0001] The present invention particularly relates to a knife device and a food processor thereof. Background Art

[0002] Existing food processing machines, such as juicers, see Chinese invention patent application: 2019800292373, name: juicer, application publication date: June 22, 2021, which includes: a juice barrel, which accommodates a screw for squeezing juice material inside; and a hopper, which is combined with the upper part of the juice barrel and forms a space for accommodating the juice material, the hopper includes a cutting part that can be rotatably coupled to the lower end surface of the hopper and is used to cut off the juice material, and an open space for the juice material to be put into is formed on the upper side of the cutting part in the hopper. Technical issues

[0003] However, the juicer with the above structure still has the following shortcomings: (1) During use, the larger volume of juice material is easily stuck on the cutting part, causing the juice material to rotate together with the cutting part, resulting in the juice material not being cut, and also affecting the normal cutting work of the cutting part, thereby affecting the cutting effect and efficiency. Technical Solutions

[0004] The purpose of the present invention is to solve the above-mentioned deficiencies in the prior art and to provide a cutting tool device which prevents food from getting stuck on the cutting tool and improves the cutting effect of the cutting tool.

[0005] A second object of the present invention is to provide a food processor with good cutting effect and improved food processing efficiency.

[0006] The third object of the present invention is to provide a food processor with good cutting effect and improved food processing efficiency.

[0007] The first object of the present invention is achieved in this way:

[0008] A tool device includes a tool seat and a first tool, wherein the first tool is arranged on the tool seat, and is characterized in that a first blocking portion is provided on the tool seat and the first blocking portion is located on one side of the connection between the tool seat and the first tool, and an avoidance space is opened on the first tool corresponding to the position of the first blocking portion; this tool device, by providing the first blocking portion on the tool seat, when the avoidance space of the first tool moves close to the first blocking portion, the first blocking portion can cooperate with the avoidance space of the first tool to cut off large pieces of food stuck on the first tool, making it difficult for food to get stuck on the first tool, thereby greatly improving the cutting effect of the first tool.

[0009] The purpose of the present invention can also be solved by the following technical measures:

[0010] Specifically, a second blocking portion is further provided on the tool seat, the first tool includes a first cutting segment and a second cutting segment, the first cutting segment is provided with the avoidance space, and the inner surface of the second cutting segment is close to the outer surface of the second blocking portion; through the cooperation of the first blocking portion, the second blocking portion and the first tool as a whole, the first tool as a whole is not easily stuck with food, thereby improving the overall cutting efficiency of the first tool; furthermore, the outer surface of the second blocking portion can play a better scraping role on the inner surface of the second cutting segment to reduce the food adhering to the second cutting segment.

[0011] Specifically, the second blocking portion is located on the other side of the connection between the tool holder and the first tool, and the highest point of the second blocking portion is lower than the highest point of the first blocking portion; so that the first blocking portion and the second blocking portion can function independently, that is, the first blocking portion cooperates with the first cutting segment to cut off the large piece of food stuck on the first cutting segment, and the second blocking portion cooperates with the second cutting segment to cut off the small piece of food stuck on the second cutting segment, and the implementation effect is better.

[0012] Specifically, the first cutting segment is in an inverted "U" shape, the second cutting segment is in a "U" shape, and the first cutting segment and the second cutting segment are integrally formed; so that the first tool as a whole can be manufactured in one go, which is easy to manufacture. Furthermore, the inverted "U"-shaped first cutting segment and the "U"-shaped second cutting segment enable the first tool to have a longer cutting surface, greatly improving the overall cutting efficiency of the first tool.

[0013] Specifically, the first blocking portion and the second blocking portion are both provided with a material guiding inclined surface, so that the cut food can flow out of the tool holder through the material guiding inclined surface.

[0014] Specifically, the tool holder includes a left supporting section, a center connecting part and a right supporting section connected in sequence, one end of the first tool is connected to the center connecting part in a rotatable manner, the left supporting section has the first blocking part extending upward, and the right supporting section has the second blocking part extending upward; the left supporting section, the center connecting part and the right supporting section each function independently, and their arrangement is reasonable and the implementation effect is good.

[0015] Specifically, it further includes a tool connecting assembly, which is rotatably connected to the central connecting part and the upper part of the tool connecting assembly is fixedly connected to the first tool, and the lower part of the tool connecting assembly is provided with a driving hole; the tool connecting assembly can not only stably connect the first tool to the tool seat in a rotatable manner, but also drive the first tool to rotate, thereby ensuring that the first tool can stably perform its function.

[0016] Specifically, the inner surface of the avoidance space is close to the outer surface of the first blocking part; the outer surface of the first blocking part can scrape the inner surface of the avoidance space to reduce the food adhering to the avoidance space and improve the cutting effect of the first tool.

[0017] Specifically, a second tool is further provided on the first tool located on the side of the connection between the first tool and the tool holder, and the first blocking portion includes a vertical section and a horizontal section, and the horizontal section is connected to the upper part of the vertical section. When the second tool rotates through the first blocking portion, the second tool is close to the inner surfaces corresponding to the vertical section and the horizontal section; on the one hand, the addition of the second tool can make the cutting efficiency of the tool device higher, and on the other hand, the inner surfaces of the vertical section and the horizontal section can cooperate with the second tool to cut off large pieces of food stuck on the second tool, so that the food is not easily stuck on the second tool, that is: the first blocking portion can cooperate with the first tool and the second tool, and its implementation effect is better.

[0018] Specifically, both sides of the vertical section and the horizontal section are provided with cutting edges, so that the vertical section and the horizontal section can easily cut the food stuck on the first knife or the second knife.

[0019] Specifically further, the first blocking portion is connected to the tool holder in a detachable manner, so that the first blocking portion can be removed for cleaning or replacement.

[0020] Specifically, a scraping portion is further extended downward from the outer side of the first tool so that the scraping portion can perform a scraping operation on the corresponding portion (such as the inner side wall of the feed barrel), and the scraping effect is better.

[0021] Specifically, a second tool is further provided on the first tool located on the side of the connection between the first tool and the tool holder, and the first blocking portion is in the shape of a vertical hook. When the second tool rotates through the first blocking portion, the second tool is close to the inner surface of the first blocking portion with the vertical hook. On the one hand, the addition of the second tool can make the cutting efficiency of the tool device higher. On the other hand, the inner surface of the first blocking portion with the vertical hook can cooperate with the second tool to cut off the large piece of food stuck on the second tool, so that the food is not easily stuck on the second tool, that is, the first blocking portion with the vertical hook can cooperate with the first tool and the second tool, and its implementation effect is better.

[0022] The second object of the present invention is achieved in this way:

[0023] A food processor including the above-mentioned tool device includes a main unit, a pressing assembly and a feed barrel. The main unit is provided with an output shaft, and the feed barrel is provided with a feed port and a discharge port. The feature is that the tool holder and the first tool are provided in the feed barrel, and the main unit drives the pressing assembly and the first tool to rotate through the output shaft. This food processor, by providing the tool holder and the first tool in the feed barrel, allows the food entering the feed barrel to be preliminarily cut by the first tool and then enters the pressing assembly for pressing and grinding. The cutting effect of the first tool is better, thereby improving the food processing efficiency.

[0024] Specifically, the inner wall of the feed barrel is provided with a pre-cutting protrusion and the pre-cutting protrusion is located above the first tool. The pre-cutting protrusion is provided with a pre-cutting tip, and the bottom surface of the pre-cutting protrusion is close to the outer surface of the first tool; the pre-cutting protrusion with the pre-cutting tip in the feed barrel can vertically pre-cut the food placed in the feed barrel, and then cooperate with the circumferential (transverse) cutting of the first tool (rotation) to fully cut the food, further improving the cutting effect and cutting efficiency; at the same time, the bottom surface of the pre-cutting protrusion can scrape the outer surface of the first tool to ensure the sharpness of the outer surface of the first tool.

[0025] Specifically, the feed cylinder includes an upper cylinder and a lower cylinder, the upper cylinder is fixed to the lower cylinder in a detachable manner, the upper part of the upper cylinder is provided with the feed port, the bottom of the lower cylinder is provided with the discharge port, and the tool seat is integrally formed in the lower cylinder and is close to the discharge port; so that the upper cylinder and the lower cylinder can be manufactured and formed separately, reducing the overall manufacturing difficulty of the feed cylinder. Furthermore, the tool seat and the lower cylinder are integrally formed, which is also more convenient to manufacture.

[0026] The third object of the present invention is achieved by:

[0027] A food processor including the above-mentioned tool device includes a main unit, a pressing component and a feed drum. The main unit is provided with an output shaft, and the feed drum is provided with a feed port and a discharge port. The feature is that the pressing component is provided with the tool holder and the first tool, and the main unit drives the pressing component and the first tool to rotate through the output shaft. This food processor, by providing the tool holder and the first tool on the pressing component, allows the food to be preliminarily cut by the first tool before entering the pressing component for pressing and grinding. The cutting effect of the first tool is better, thereby improving the food processing efficiency.

[0028] Specifically, the pressing assembly includes a filter and a transmission screw, the transmission screw is placed in the filter, the lower part of the transmission screw is connected to the output shaft of the main machine, and the upper part of the transmission screw is provided with a screw shaft, which is connected to the first tool; on the one hand, the output shaft of the main machine can realize the rotation of the transmission screw in the filter, ensuring the pressing and grinding work of the grinding assembly, on the other hand, the output shaft of the main machine drives the first tool to rotate through the transmission screw, ensuring the cutting work of the first tool, and its implementation effect is good.

[0029] Specifically, two opposite mounting grooves are provided on the upper part of the filter, and the two ends of the tool seat are respectively placed on the two mounting grooves on the upper part of the filter, and the tool seat is located above the transmission screw; the tool seat is detachably installed on the filter through the mounting grooves, which can not only ensure that the tool seat is stably installed on the filter, but also facilitate cleaning after disassembly of the tool seat and the filter.

[0030] Specifically, the two ends of the tool seat are integrally formed with the upper portion of the filter screen, and the tool seat is located above the transmission screw; so that the tool seat and the filter screen can be manufactured at one time, which is convenient to manufacture. Beneficial effects

[0031] This tool device is equipped with a first blocking portion on the tool holder. When the avoidance space of the first tool moves close to the first blocking portion, the first blocking portion can cooperate with the avoidance space of the first tool to cut off the large piece of food stuck on the first tool, making it difficult for the food to get stuck on the first tool, thereby greatly improving the cutting effect of the first tool.

[0032] Through the cooperation of the first blocking part, the second blocking part and the first tool as a whole, it is not easy for food to be stuck on the first tool as a whole, thereby improving the cutting efficiency of the first tool as a whole; furthermore, the outer surface of the second blocking part can play a better scraping effect on the inner surface of the second cutting segment, so as to reduce the food adhering to the second cutting segment.

[0033] On the one hand, adding a second tool can make the cutting efficiency of the tool device higher. On the other hand, the inner surfaces of the vertical section and the horizontal section can cooperate with the second tool to cut off large pieces of food stuck on the second tool, making it difficult for food to get stuck on the second tool. That is, the first blocking part can cooperate with the first tool and the second tool, and its implementation effect is better.

[0034] This food processor has a cutter seat and a first cutter in the feed barrel, so that the food entering the feed barrel is first preliminarily cut by the first cutter and then enters the pressing component for pressing and grinding. The cutting effect of the first cutter is better, thereby improving the food processing efficiency.

[0035] The tool holder can be detachably mounted on the filter screen through the mounting groove, which can ensure that the tool holder is stably mounted on the filter screen and facilitate cleaning of the tool holder and the filter screen after disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] FIG1 is a schematic diagram of a first embodiment of a food processor according to the present invention.

[0037] FIG2 is a cross-sectional view of the feed barrel according to the first embodiment of the present invention.

[0038] FIG3 is an enlarged perspective view of the lower cylinder of the first embodiment of the present invention.

[0039] FIG. 4 is a schematic diagram of FIG. 3 from another angle.

[0040] FIG5 is an enlarged perspective view of the first cutting tool according to the first embodiment of the present invention.

[0041] FIG6 is a schematic diagram of a second embodiment of a tool device according to the present invention.

[0042] FIG7 is a disassembled diagram of the second embodiment of the tool device of the present invention.

[0043] FIG8 is a schematic diagram of a third embodiment of a tool device according to the present invention.

[0044] FIG. 9 is a schematic diagram of a second embodiment of a food processor according to the present invention.

[0045] FIG. 10 is a schematic diagram of a third embodiment of a food processor according to the present invention. Modes for Carrying Out the Invention

[0046] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0047] Embodiment 1, in combination with Figures 1 to 5, Figure 1 is a food processor, in which the tool device of the present invention is provided, and Figure 2 is a feed barrel of the food processor, in which the tool device of the present invention is provided; a tool device, comprising a tool seat 1 and a first tool 2, wherein the first tool 2 is arranged on the tool seat 1, and is characterized in that a first blocking portion 11 is provided on the tool seat 1 and the first blocking portion 11 is located on one side of the connection between the tool seat 1 and the first tool 2, and an avoidance space 21 is opened on the first tool 2 corresponding to the position of the first blocking portion 11.

[0048] As a specific solution, a second blocking portion 12 is also provided on the tool seat 1, and the first tool 2 includes a first cutting segment 22 and a second cutting segment 23. The first cutting segment 22 is provided with the avoidance space 21, and the inner surface of the second cutting segment 23 is close to the outer surface of the second blocking portion 12.

[0049] In this embodiment, the second blocking portion 12 is located on the other side of the connection between the tool holder 1 and the first tool 2 , and the highest point of the second blocking portion 12 is lower than the highest point of the first blocking portion 11 .

[0050] In this embodiment, the first cutting segment 22 is in an inverted "U" shape, and the second cutting segment 23 is in a "U" shape. The first cutting segment 22 and the second cutting segment 23 are integrally formed.

[0051] In this embodiment, a material guiding slope 100 is provided on both the first blocking portion 11 and the second blocking portion 12 .

[0052] As a more specific solution, the tool holder 1 includes a left supporting section 13, a center connecting part 14 and a right supporting section 15 connected in sequence, one end of the first tool 2 is rotatably connected to the center connecting part 14, the left supporting section 13 extends upward with the first blocking part 11, and the right supporting section 15 extends upward with the second blocking part 12.

[0053] As a more preferred embodiment, a tool connecting assembly 3 is further included, which is rotatably connected to the central connecting portion 14 and the upper portion of the tool connecting assembly 3 is fixedly connected to the first tool 2. A driving hole 31 is opened at the lower portion of the tool connecting assembly 3.

[0054] As a more preferred embodiment, the inner surface of the avoidance space 21 is close to the outer surface of the first blocking portion 11 .

[0055] As shown in Figures 6 and 7, as a second embodiment of the tool device, this embodiment is similar to the first embodiment, except that: a second tool 10 is also provided on the first tool 2 located on the side of the connection between the first tool 2 and the tool holder 1, and the first blocking portion 11 includes a vertical section 111 and a horizontal section 112, and the horizontal section 112 is connected to the upper part of the vertical section 111. When the second tool 10 rotates through the first blocking portion 11, the second tool 10 is close to the inner surfaces corresponding to the vertical section 111 and the horizontal section 112.

[0056] As a more specific solution, cutting edges 113 are provided on both sides of the vertical section 111 and the horizontal section 112 .

[0057] In this embodiment, the first blocking portion 11 is detachably connected to the tool holder 1 .

[0058] In this embodiment, a scraping portion 24 is further extended downward from the outer side of the first cutting tool 2 .

[0059] As shown in Figure 8, as the third embodiment of the tool device, this embodiment is similar to the first embodiment, except that: a second tool 10 is also provided on the first tool 2 located on the side of the connection between the first tool 2 and the tool holder 1, and the first blocking portion 11 is in the shape of a vertical hook. When the second tool 10 rotates through the first blocking portion 11, the second tool 10 is close to the inner surface of the vertical hook-shaped first blocking portion 11.

[0060] As shown in Figures 1 to 5, a food processor including the above-mentioned tool device includes a main unit 4, a pressing component 5 and a feed barrel 6. The main unit 4 is provided with an output shaft 41, and the feed barrel 6 is provided with a feed port 61 and a discharge port 62. The feature of the food processor is that the tool holder 1 and the first tool 2 are provided in the feed barrel 6, and the main unit 4 drives the pressing component 5 and the first tool 2 to rotate through the output shaft 41.

[0061] As a more specific solution, a pre-cut protrusion 63 is provided on the inner wall of the feed barrel 6 and the pre-cut protrusion 63 is located above the first tool 2. A pre-cut tip 64 is provided on the pre-cut protrusion 63, and the bottom surface of the pre-cut protrusion 63 is close to the outer surface of the first tool 2.

[0062] As a better embodiment, the feed cylinder 6 includes an upper cylinder 65 and a lower cylinder 66, the upper cylinder 65 is fixed to the lower cylinder 66 in a detachable manner, the upper part of the upper cylinder 65 is provided with the feed port 61, the bottom of the lower cylinder 66 is provided with the discharge port 62, and the tool seat 1 is integrally formed in the lower cylinder 66 and the tool seat 1 is located close to the discharge port 62.

[0063] As shown in Figure 9, as a second embodiment of the food processor, it is similar to the above-mentioned food processor, but the difference is that a food processor including the above-mentioned tool device includes a main unit 4, a pressing component 5 and a feed barrel 6, the main unit 4 is provided with an output shaft 41, and the feed barrel 6 is provided with a feed port 61 and a discharge port 62. It is characterized in that the pressing component 5 is provided with the tool seat 1 and the first tool 2, and the main unit 4 drives the pressing component 5 and the first tool 2 to rotate through the output shaft 41.

[0064] As a more specific solution, the pressing assembly 5 includes a filter 51 and a transmission screw 52. The transmission screw 52 is placed in the filter 51. The lower part of the transmission screw 52 is connected to the output shaft 41 of the main machine 4. The upper part of the transmission screw 52 is provided with a screw shaft 521, and the screw shaft 521 is connected to the first tool 2.

[0065] In this embodiment, two opposite mounting grooves 511 are provided on the upper portion of the filter screen 51 , and both ends of the tool holder 1 are respectively placed on the two mounting grooves 511 on the upper portion of the filter screen 51 , and the tool holder 1 is located above the transmission screw 52 .

[0066] As shown in Figure 10, the third embodiment of the food processor is similar to the second embodiment of the food processor mentioned above, except that the two ends of the tool holder 1 are integrally formed with the upper part of the filter 51, and the tool holder 1 is located above the transmission screw 52.

Claims

1. A cutting tool device, comprising a tool holder (1) and a first cutting tool (2), the first cutting tool (2) being arranged on the tool holder (1), characterized in that, A first blocking portion (11) is provided on the tool holder (1), and the first blocking portion (11) is located on one side of the connection between the tool holder (1) and the first tool (2). An avoidance space (21) is formed in the first tool (2) corresponding to the position of the first blocking portion (11).

2. The cutting tool device according to claim 1, characterized in that, A second blocking portion (12) is further provided on the tool holder (1). The first tool (2) includes a first cutting section (22) and a second cutting section (23). The avoidance space (21) is formed in the first cutting section (22), and the inner surface of the second cutting section (23) is close to the outer surface of the second blocking portion (12).

3. The cutting tool device according to claim 2, characterized in that, The second blocking portion (12) is located on the other side of the connection between the tool holder (1) and the first tool (2), and the highest point of the second blocking portion (12) is lower than the highest point of the first blocking portion (11).

4. The cutting tool device according to claim 3, characterized in that, The first cutting section (22) is in an inverted "U" shape, the second cutting section (23) is in a "U" shape, and the first cutting section (22) and the second cutting section (23) are integrally formed.

5. The cutting tool device according to claim 2, characterized in that, Guide inclined surfaces (100) are provided on both the first blocking portion (11) and the second blocking portion (12).

6. The cutting tool device according to claim 2, characterized in that, The tool holder (1) includes a left support section (13), a central connection portion (14), and a right support section (15) connected in sequence. One end of the first tool (2) is rotatably connected to the central connection portion (14). The first blocking portion (11) extends upward from the left support section (13), and the second blocking portion (12) extends upward from the right support section (15).

7. The cutting tool device according to claim 6, characterized in that, A tool connection assembly (3) is further included. The tool connection assembly (3) is rotatably connected to the central connection portion (14), the upper part of the tool connection assembly (3) is fixedly connected to the first tool (2), and a driving hole (31) is formed in the lower part of the tool connection assembly (3).

8. The cutting tool device according to claim 1, characterized in that, The inner surface of the avoidance space (21) is close to the outer surface of the first blocking portion (11).

9. The cutting tool device according to claim 1, characterized in that, A second tool (10) is further provided on the first tool (2) on one side of the connection between the first tool (2) and the tool holder (1). The first blocking portion (11) includes a vertical section (111) and a horizontal section (112). The horizontal section (112) is connected to the upper part of the vertical section (111). When the second tool (10) rotates past the first blocking portion (11), the second tool (10) is close to the inner surfaces corresponding to the vertical section (111) and the horizontal section (112).

10. The cutting tool device according to claim 9, characterized in that, Cutting edges (113) are provided on both sides of the vertical section (111) and the horizontal section (112).

11. The cutting tool device according to claim 9, characterized in that, The first blocking portion (11) is detachably connected to the tool holder (1).

12. The cutting tool device according to claim 9, characterized in that, A scraping portion (24) extends downward on the outer side of the first tool (2).

13. The cutting tool device according to claim 1, characterized in that, A second tool (10) is further provided on the first tool (2) on one side of the connection between the first tool (2) and the tool holder (1). The first blocking portion (11) is in a vertical hook shape. When the second tool (10) rotates past the first blocking portion (11), the second tool (10) is close to the inner surface of the vertical hook-shaped first blocking portion (11).

14. A food processor comprising the cutting tool device according to any one of claims 1-13, comprising a main body (4), a pressing assembly (5) and a feed cylinder (6). An output shaft (41) is provided on the main body (4), and a feed inlet (61) and a discharge outlet (62) are provided on the feed cylinder (6). It is characterized in that, The tool holder (1) and the first tool (2) are arranged in the feed cylinder (6), and the main machine (4) drives the pressing assembly (5) and the first tool (2) to rotate and work through the output shaft (41).

15. The food processor according to claim 14, characterized in that, The inner side wall of the feed cylinder (6) is provided with a pre-cut convex part (63), and the pre-cut convex part (63) is located above the first tool (2). A pre-cut tip (64) is arranged on the pre-cut convex part (63), and the bottom surface of the pre-cut convex part (63) is close to the outer surface of the first tool (2).

16. The food processor according to claim 14, characterized in that, The feed cylinder (6) includes an upper cylinder (65) and a lower cylinder (66). The upper cylinder (65) is detachably fixed to the lower cylinder (66). The upper part of the upper cylinder (65) is provided with the feed port (61), and the bottom of the lower cylinder (66) is provided with the discharge port (62). The tool holder (1) is integrally formed in the lower cylinder (66) and is close to the discharge port (62).

17. A food processor comprising the cutting tool device according to any one of claims 1-13, comprising a main body (4), a pressing assembly (5) and a feed cylinder (6). An output shaft (41) is provided on the main body (4), and a feed inlet (61) and a discharge outlet (62) are provided on the feed cylinder (6). It is characterized in that, The tool holder (1) and the first tool (2) are arranged on the pressing assembly (5), and the main machine (4) drives the pressing assembly (5) and the first tool (2) to rotate and work through the output shaft (41).

18. The food processor according to claim 17, wherein, The pressing assembly (5) includes a filter screen (51) and a transmission screw (52). The transmission screw (52) is placed inside the filter screen (51). The lower part of the transmission screw (52) is connected to the output shaft (41) of the main machine (4), and a screw shaft (521) is arranged on the upper part of the transmission screw (52). The screw shaft (521) is connected to the first tool (2).

19. The food processor according to claim 18, characterized in that, Two opposite placement grooves (511) are arranged on the upper part of the filter screen (51). The two ends of the tool holder (1) are respectively placed on the two placement grooves (511) on the upper part of the filter screen (51), and the tool holder (1) is located above the transmission screw (52).

20. The food processor according to claim 18, characterized in that, The two ends of the tool holder (1) are integrally formed with the upper part of the filter screen (51), and the tool holder (1) is located above the transmission screw (52).

Images