CN213468075U - Small-size hand shredder flexible and labor-saving to operate - Google Patents

Abstract

The utility model discloses a small-size hand shredder of flexible operation laborsaving belongs to the shredder field. The utility model discloses a small-size hand shredder, including the cup, the bowl cover, install the gear acceleration mechanism on the bowl cover, the crank of being connected with the transmission of gear acceleration mechanism and be located the blade subassembly of cup, gear acceleration mechanism includes the spiral cover, drive gear and sun gear, the spiral cover rotates and installs on the bowl cover, be equipped with the ring gear on the inside wall of spiral cover, the ring gear passes through drive gear and sun gear meshing transmission, sun gear is connected with the blade subassembly, one side of spiral cover is located eccentrically to the crank, the center of spiral cover still is equipped with and revolves the portion of twisting. The utility model discloses a hand shredder revolves the portion of twisting and can the direct drive spiral cover rotatory, can provide bigger drive power in the initial segment of cutting up, and the crank can be laborsaving more and the quick drive spiral cover is rotatory, can cut up into the end with eating the material fast laborsaving after eating the preliminary comminution for the operation of hand shredder is nimble more convenient.

Description

Small-size hand shredder flexible and labor-saving to operate

Technical Field

The utility model relates to a shredder, more specifically say, relate to a small-size hand shredder of flexible operation laborsaving, can be used to eat the material comminution with the cubic.

Background

Along with the improvement of the requirements of people on the quality of the food, more people select to eat at home, so the demand of various vegetable cutters is increased, and meanwhile, higher requirements on the performance and the quality of the vegetable cutters are provided. At present, there are many types of vegetable cutters on the market, and common manual vegetable cutters include a flat-plate type vegetable cutter for shredding and slicing, a hand-pulling type vegetable cutter driven by repeatedly pulling a pull rope, a hand-shaking type vegetable cutter driven by shaking a hand crank, and the like. Hand-pulling type shredder and hand-operated shredder have been popular among consumers in recent years because of their advantages of safe and labor-saving operation, convenient and quick shredding of seasoning vegetables such as hot pepper and garlic.

The conventional hand-operated vegetable cutter is generally provided with a gear set in a cup cover, a hand handle is utilized to drive the gear set to rotate, the gear set rotates to drive a blade assembly in a cup body to rotate to cut food materials in the cup body, and common structures such as a hand-operated vegetable cutter disclosed by a Chinese patent number ZL201220004880.6, a speed-changing hand-operated household vegetable cutter disclosed by a Chinese patent number ZL201220667818.5, a household vegetable cutter disclosed by a Chinese patent number ZL201220500265.4, a hand-operated pulverizer disclosed by a Chinese patent number ZL201320251911.2 and the like. This kind of hand formula shredder is through the rotatory drive gear train of crank after the variable speed with power transmission for the blade group, and the blade group high-speed rotation cuts up edible material, however at shredding operation initial stage, because eating the material and being great blocky, the resistance of blade group is great this moment, consequently the resistance of reaction on the crank handle can be bigger, there is the problem of handle rotation to some harder and great edible materials of particle diameter, need further cut up edible material into less block reuse shredder earlier, the operation is comparatively troublesome. In addition, because the length of the hand crank is fixed, the rotation radius of the hand crank is large, and the design is more labor-saving, but the time required for the hand crank to rotate for one circle is long, and the rotation speed of the blade group cannot be further increased in the later stage of the chopping operation, so that the food material chopping efficiency is difficult to improve, and the food material is difficult to be chopped.

Disclosure of Invention

1. Technical problem to be solved by the utility model

An object of the utility model is to overcome the shortcoming that the existing hand shredder has the large resistance in the initial section of shredding and results in the difficult operation, provide a small-size hand shredder of flexible operation and laborsaving, adopt the technical scheme of the utility model, the gear speed increasing mechanism of hand shredder adopts the gear drive of spiral cover ring gear, compact structure and drive ratio are big, set up the crank and the spiral part that can operate the spiral cover rotation simultaneously on the spiral cover, the spiral part can directly drive the spiral cover rotation, can provide bigger drive power in the initial section of shredding, cut up massive edible material tentatively, the crank can be more laborsaving and drive the spiral cover rotation fast, can cut up edible material into the end fast laborsavingly after the edible material is tentatively shredded, make the operation of hand shredder more flexible and convenient;

another object of the utility model is to provide a small-size hand shredder with flexible crank, the rocking arm of crank can realize the flexible regulation of many grades in the spiral cover, when using the crank drive spiral cover, can use longer rocking arm to rotate in the first half section, make the crank rotatory more laborsaving, and can use shorter rocking arm to rotate in the second half section, make radius of rotation shorter, improve the rotational speed of crank, and then improve the rotatory cutting speed of blade subassembly, further improve edible material and cut up efficiency, can make edible material cut up more garrulous; and the structure design of the hand crank and the gear speed increasing mechanism is compact, the transmission is stable and reliable, the occupied space is small after the hand crank is contracted, and the use is flexible and labor-saving.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a laborsaving small-size hand shredder of flexible operation, including the cup, with cup assorted bowl cover, install gear acceleration mechanism on the bowl cover, the crank of being connected with gear acceleration mechanism transmission and be located the cup and the blade subassembly that is connected with gear acceleration mechanism's output, gear acceleration mechanism include spiral cover, drive gear and sun gear, the spiral cover rotate and install on the bowl cover, the inside wall of spiral cover on be equipped with the ring gear, the ring gear pass through drive gear and sun gear meshing transmission, sun gear on be equipped with the spliced pole that stretches into in the cup and be connected with the blade subassembly coaxially, the crank locate one side of spiral cover eccentrically, the center of spiral cover still be equipped with and twist the portion of revolving soon, the crank with twist the portion of revolving and all can operate the spiral cover rotatory.

Furthermore, the crank handle comprises a telescopic rocker arm and a crank, the telescopic rocker arm is slidably mounted in the rotary cover, and the crank is mounted at the end part of one end, located on the outer side of the rotary cover, of the telescopic rocker arm.

Furthermore, at least two adjusting gears for telescopic positioning of the telescopic rocker arm are arranged in the rotary cover.

Furthermore, the middle part of the screw cap protrudes upwards to form a screwing part, a sliding cavity is arranged in the screwing part, and the telescopic rocker arm is arranged in the sliding cavity in a telescopic mode.

Furthermore, a buckling part is fixedly arranged on the inner side of the spiral cover, the buckling part and the spiral cover form a sliding cavity, a rotating mandrel coaxial with the spiral cover is arranged on the buckling part, a spiral cover supporting frame is rotatably connected onto the rotating mandrel, and the spiral cover supporting frame is fixedly arranged in the cup cover.

Furthermore, one end of the telescopic rocker arm, which is positioned in the sliding cavity, is provided with a positioning protrusion, the pressing part is provided with an inner sliding groove which is in sliding fit with the positioning protrusion along the telescopic direction of the telescopic rocker arm, at least two ends of the inner sliding groove are provided with limiting protrusions, and the limiting protrusions are matched with the positioning protrusions to form the adjusting gear.

Furthermore, a rocker arm sliding groove is formed in the telescopic rocker arm along the telescopic direction of the telescopic rocker arm, and a sliding guide limiting block positioned in the rocker arm sliding groove is arranged at one end, close to the outer side, of the buckling and pressing piece.

Furthermore, the upper end of the spiral cover support frame is provided with a shaft hole matched with the rotating mandrel, the outer wall of the rotating mandrel is provided with an open slot used for enabling the rotating mandrel to elastically deform inwards, and the lower end part of the rotating mandrel is provided with a reverse buckle buckled with the lower end of the shaft hole of the spiral cover support frame.

Furthermore, the cup cover comprises a lower cover body and an upper pressing ring, a circle of blank pressing is arranged on the periphery of the screw cover, the upper pressing ring is fixedly connected with the lower cover body, and the inner edge of the upper pressing ring presses on the blank pressing of the screw cover.

Furthermore, the transmission gear is a duplicate gear and comprises a first transmission gear and a second transmission gear, the transmission gear is rotatably installed on the lower cover body, the first transmission gear is meshed with the inner gear ring, and the second transmission gear is meshed with a central gear rotatably installed on the lower cover body; the lower cover body is also provided with at least one balance gear meshed with the inner gear ring.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) the utility model discloses a flexible operation laborsaving small-size hand shredder, its gear acceleration mechanism adopts spiral cover ring gear drive, compact structure and drive ratio are big, set up simultaneously on the spiral cover can operate the rotatory crank of spiral cover and twist the portion soon, it can directly drive the spiral cover and rotate to twist the portion soon, can provide bigger drive power in the initial section of cutting up, preliminarily cut up massive edible material, the crank can be more laborsaving and fast drive the spiral cover rotation, can further cut up edible material into the end fast laborsaving after preliminarily cutting up edible material, make the operation of hand shredder more nimble convenient;

(2) the utility model discloses a flexible operation laborsaving small-size hand shredder, its crank includes flexible rocking arm and crank, flexible rocking arm slidable mounting in the spiral cover, the crank is installed in the one end tip that flexible rocking arm is located the spiral cover outside, the rocking arm of crank can realize the flexible regulation of many grades in the spiral cover, when using the crank drive spiral cover, can use longer rocking arm to rotate in the first half, it is more laborsaving to make the crank rotate, and can use shorter rocking arm to rotate in the second half, make the radius of rotation shorter, improve the rotational speed of crank, and then improve the rotatory cutting speed of blade subassembly, further improve edible material efficiency of cutting up, can make edible material cut up more garrulous; in addition, the structure design of the hand crank and the gear speed increasing mechanism is compact, the transmission is stable and reliable, the occupied space is small after the hand crank is contracted, and the use is flexible and labor-saving;

(3) the utility model discloses a small-size hand shredder of flexible operation laborsaving, its spiral cover is equipped with at least two gears that supply the regulation gear of flexible rocking arm flexible positioning, adopts the regulation gear to stretch out and draw back the location to the crank handle for difficult the production slip in the crank rotation process, the operation is more reliable and more stable;

(4) the utility model discloses a flexible and labor-saving small-size hand shredder, the middle part of its spiral cover is upwards protruding to form and is twisted the portion soon, and the inside of twisting the portion soon has the sliding chamber, and flexible rocking arm is telescopically located in the sliding chamber, and the portion of twisting soon is integrated into one piece on the spiral cover, and simple manufacture is convenient, utilizes the sliding chamber of twisting the inside of portion to install flexible rocking arm soon, and simple structure is compact;

(5) the utility model discloses a small-size hand shredder with flexible and labor-saving operation, the inner side of a spiral cover is fixedly provided with a buckling piece, the buckling piece and the spiral cover form a sliding cavity, and a telescopic rocker arm is convenient to assemble on the spiral cover; the rotating mandrel coaxial with the screw cap is arranged on the pressing piece, the rotating mandrel is connected with a screw cap supporting frame in a rotating mode, the screw cap supporting frame is fixedly arranged in the cup cover, and the rotating mandrel on the pressing piece is used as a central rotating shaft of the screw cap, so that the rotation of the screw cap is more stable and flexible, and the operation smoothness of the small hand-operated vegetable cutter is improved;

(6) the utility model discloses a flexible operation laborsaving small-size hand shredder, its flexible rocking arm is located the one end of sliding cavity and is equipped with the location arch, along the flexible direction of flexible rocking arm on the crimping piece be equipped with location protruding sliding fit's inner chute, at least be equipped with spacing arch at both ends in the inner chute, spacing arch forms foretell regulation gear with the cooperation of location arch, utilize spacing arch and location protruding constitution regulation gear, simple structure, the preparation is convenient, the flexible position location of the flexible rocking arm of being convenient for, and have obvious feeling in place in the flexible location process of rocking arm, convenient operation;

(7) the utility model discloses a small-size hand shredder of flexible operation laborsaving, its flexible rocking arm is equipped with the rocking arm spout along the flexible direction of flexible rocking arm, and the one end that the crimping piece is close to the outside is equipped with and is located the smooth stopper of leading in the rocking arm spout, has improved flexible stability and the reliability of flexible rocking arm;

(8) the utility model discloses a flexible and labor-saving small-size hand shredder, the upper end of its spiral cover support frame is equipped with the shaft hole that cooperates with the rotating mandrel, be equipped with the open slot that is used for making the rotating mandrel to elastically deform inwards on the outer wall of rotating mandrel, the lower tip of rotating mandrel is equipped with the back-off with the shaft hole lower extreme lock of spiral cover support frame, impress the rotating mandrel into the shaft hole during assembly, utilize the elastic deformation of rotating mandrel to realize the installation of rotating mandrel on spiral cover support frame, the assembly is simple and convenient;

(9) the utility model discloses a small-size hand shredder of flexible operation laborsaving, its bowl cover includes lower lid and upper clamping ring, and the periphery of spiral cover is equipped with the round blank pressing, and upper clamping ring and lower lid fixed connection, and the interior edge of upper clamping ring presses on the blank pressing of spiral cover, utilize the upper clamping ring to carry on spacingly to the periphery of spiral cover, make the spiral cover rotate more reliable and more stable;

(10) the utility model discloses a flexible and labor-saving small-size hand shredder, its drive gear is duplicate gear, including first drive gear and second drive gear, the drive gear rotates and installs on the lower cover body, and first drive gear meshes with the ring gear, the second drive gear meshes with the central gear that rotates and installs on the lower cover body, adopts duplicate gear design, has further optimized the drive ratio, makes the overall arrangement of gear train compacter; the lower cover body is also provided with at least one balance gear meshed with the inner gear ring, and the balance gear can balance the stress of the inner gear ring, so that the transmission stability of the inner gear ring is higher.

Drawings

Fig. 1 is a schematic structural view of a small hand-operated shredder with flexible and labor-saving operation according to the present invention;

FIG. 2 is a schematic view of the detachable structure of the small hand-operated shredder with flexible and labor-saving operation;

fig. 3 is a schematic sectional structure view (with the crank shortened) of the small hand-operated shredder of the utility model, which is flexible and labor-saving to operate;

fig. 4 is a schematic sectional structure view (the handle is extended) of the small hand-operated shredder of the utility model, which is flexible and labor-saving to operate;

fig. 5 is a schematic view of an assembly structure of the crank handle and the screw cap of the present invention;

fig. 6 is a schematic view of the arrangement of the gear set on the lower cover body according to the present invention;

fig. 7 is a schematic sectional view in the direction of a-a in fig. 6.

The reference numerals in the schematic drawings illustrate:

1. a cup body; 1-1, a rotation stopping rib; 1-2, a positioning column; 1-3, a non-slip mat; 2. a cup cover; 2-1, a lower cover body; 2-1-1, connecting a buckle; 2-1-2, a support table; 2-1-3, a bracket fixing groove; 2-1-4, a rotary clamping groove; 2-1-5, clamping the groove; 2-1-6, a transmission gear mounting shaft; 2-1-7, balance gear mounting shaft; 2-2, upper pressing ring; 2-2-1, connecting the clamping groove; 3. a gear speed increasing mechanism; 3-1, screwing a cover; 3-1-1 and an inner gear ring; 3-1-2, pressing; 3-2, a first transmission gear; 3-3, a second transmission gear; 3-4, a central gear; 3-4-1, connecting column; 3-5, balance gear; 3-6, a transmission gear shaft sleeve; 3-7, a central gear shaft sleeve; 4. a hand crank; 4-1, a telescopic rocker arm; 4-1-1, positioning protrusions; 4-1-2, rocker arm chute; 4-2, a crank; 5. a screwing part; 6. a blade assembly; 7. a crimping piece; 7-1, rotating the mandrel; 7-2, an inner chute; 7-3, limiting bulges; 7-4, a sliding guide limiting block; 8. a cap screwing support frame; 8-1, clamping and connecting the bulges.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

[ examples ]

Combine fig. 1 to 4 shown, the small-size hand shredder of flexible operation laborsaving of this embodiment, including cup 1, with cup 1 assorted bowl cover 2, install gear acceleration mechanism 3 on bowl cover 2, hand crank 4 of being connected with the transmission of gear acceleration mechanism 3 and the blade subassembly 6 that is located cup 1 and is connected with gear acceleration mechanism 3's output, constitute the space of cutting the dish between cup 1 and the bowl cover 2, cup 1 is put into to the massive material of eating, adorn blade subassembly 6 and bowl cover 2, utilize hand crank 4 can drive gear acceleration mechanism 3 work, and then drive 6 fast rotations of blade subassembly and cut up edible material. In the embodiment, the gear speed increasing mechanism 3 comprises a rotary cover 3-1, a transmission gear and a central gear 3-4, the rotary cover 3-1 is rotatably mounted on the cup cover 2, an inner gear ring 3-1-1 is arranged on the inner side wall of the rotary cover 3-1, the inner gear ring 3-1-1 is in meshing transmission with the central gear 3-4 through the transmission gear, a connecting column 3-4-1 extending into the cup body 1 and connected with a blade assembly 6 is coaxially arranged on the central gear 3-4, a hand crank 4 is eccentrically arranged on one side of the rotary cover 3-1, a screwing part 5 is further arranged in the center of the rotary cover 3-1, the hand crank 4 and the screwing part 5 can both operate the rotary cover 3-1 to rotate, the rotary cover 3-1 rotates to drive the transmission gear to rotate through the inner gear ring 3-1-1, the transmission gear drives the meshed central gear 3-4, the central gear 3-4 drives the blade component 6 to rotate through the connecting column 3-4-1, and the inner gear ring 3-1-1 rotates for a circle to enable the central gear 3-4 to rotate for a plurality of circles, so that the effect of increasing speed is achieved. When the cup is actually used, the cup cover 2 is separated from the cup body 1, blocky food materials (such as garlic granules, diced hot peppers and the like) are placed in the cup body 1, the cup cover 2 is installed, the resistance to rotation of the blade assembly 6 is large due to the fact that the food materials are large at the moment, the resistance to rotation of the blade assembly 3-1 is large, if the rotary cover 3-1 is directly rotated by using the hand crank 4, the force on the hand crank 4 is large, the hand crank 4 or the rotary cover 3-1 is easily damaged, the rotary part 5 can be directly screwed by hand to drive the rotary cover 3-1 to rotate, and although the rotation speed of the rotary cover 3-1 is low at the moment, the rotation of the blade assembly 6 is enough to primarily cut the large blocky food materials, and the cutting resistance to the blade assembly 6 is reduced; then, the hand crank 4 can be used for driving the rotary cover 3-1, so that the rotary cover 3-1 can rotate more easily and labor-saving, the rotating speed is higher, and the food materials can be cut up more easily.

According to the small-sized hand-operated vegetable cutter with flexible and labor-saving operation, the hand crank 4 comprises the telescopic rocker arm 4-1 and the crank handle 4-2, the telescopic rocker arm 4-1 is slidably mounted in the rotary cover 3-1, and the crank handle 4-2 is mounted at the end part of the telescopic rocker arm 4-1, which is positioned at the outer side of the rotary cover 3-1. The telescopic rocker arm 4-1 can be adjusted in the rotary cover 3-1 in a telescopic mode, the rotating radius between the crank handle 4-2 and the rotary cover 3-1 is adjusted, the crank handle 4-2 is vertically arranged on the telescopic rocker arm 4-1 upwards, the rotary cover 3-1 can be driven to rotate by holding the adjusting crank handle 4-2 to rotate during operation, the larger the rotating radius is, the more labor is saved, the smaller the rotating radius is, the shorter the rotating time is, and the higher the rotating speed is. Adopt above-mentioned telescopic crank 4, when using crank 4 drive spiral cover 3-1, can use longer rocking arm to rotate in first half section, make the crank rotation more laborsaving, will eat the material and cut up fast, and can use shorter rocking arm to rotate in second half section for the radius of rotation is shorter, improves the rotation rate of crank, and then improves the rotatory cutting speed of blade subassembly, and further improves and eats material and cut up efficiency, can make and eat the material and cut up more garrulously. As shown in fig. 3 to 5, in this embodiment, at least two adjusting gears for telescopic positioning of the telescopic rocker arm 4-1 are provided in the rotary cover 3-1, so that multi-gear telescopic adjustment of the hand crank is realized, a suitable rotation radius can be selected to drive the rotary cover 3-1 to rotate according to actual needs, and the hand crank 4 is telescopically positioned by using the adjusting gears, so that the hand crank 4 is not easy to slide during rotation, and the operation is more stable and reliable. Furthermore, the middle part of the screwing cover 3-1 protrudes upwards to form a screwing part 5, a sliding cavity is formed inside the screwing part 5, the telescopic rocker arm 4-1 is telescopically arranged in the sliding cavity, the screwing part 5 is integrally formed on the screwing cover 3-1, the manufacturing is simple and convenient, the telescopic rocker arm 4-1 is installed by utilizing the sliding cavity inside the screwing part 5, and the structure is simple and compact. The shape of the screwing part 5 can be designed into a straight line shape protruding upwards, so that the screwing part 5 can be operated by one hand conveniently. Specifically, a buckling and pressing part 7 is fixedly arranged on the inner side of the rotary cover 3-1, the buckling and pressing part 7 and the rotary cover 3-1 form a sliding cavity, one end of the buckling and pressing part 7 can be clamped and connected on the rotary cover 3-1, for example, one end of the buckling and pressing part 7 is clamped and positioned by utilizing an opening on one side of the rotary cover 3-1 for installing the telescopic rocker arm 4-1, and the other end of the buckling and pressing part 7 is fixedly connected with the rotary cover 3-1 by adopting a screw. The design of the buckling piece 7 is adopted, so that the telescopic rocker arm 4-1 can be conveniently assembled on the rotary cover 3-1, and during assembly, the telescopic rocker arm 4-1 is firstly installed in a sliding cavity of the rotary cover 3-1, and then the buckling piece 7 is installed from the inner side of the rotary cover 3-1, so that the telescopic rocker arm 4-1 is stably installed in the sliding cavity. The rotating mandrel 7-1 coaxial with the screw cap 3-1 is arranged on the pressing piece 7, the rotating mandrel 7-1 is connected with the screw cap support frame 8 in a rotating mode, the screw cap support frame 8 is fixedly installed in the cup cover 2, and the rotating mandrel 7-1 on the pressing piece 7 is used as a central rotating shaft of the screw cap 3-1, so that the screw cap 3-1 can rotate more stably and flexibly, and the operation smoothness of the small hand-operated vegetable cutter is improved.

Referring to fig. 3 to 5, in the present embodiment, a positioning protrusion 4-1-1 is disposed at one end of the telescopic rocker arm 4-1 located in the sliding cavity, an inner sliding groove 7-2 slidably engaged with the positioning protrusion 4-1-1 is disposed on the pressing member 7 along the telescopic direction of the telescopic rocker arm 4-1, a limiting protrusion 7-3 is disposed at least at two ends of the inner sliding groove 7-2, and the limiting protrusion 7-3 cooperates with the positioning protrusion 4-1-1 to form the above-mentioned adjusting position, that is, at least two adjusting positions with long and short turning radii are provided. In order to facilitate the telescopic adjustment of the telescopic rocker arm 4-1, the upper part of the positioning bulge 4-1-1 can be designed into an elastic structure, the elastic positioning of the positioning bulge 4-1-1 is realized by utilizing the elasticity of the material of the telescopic rocker arm 4-1, the limiting bulge 7-3 can be an arc bulge arranged on the bottom surface of the inner chute 7-2, in the sliding adjustment process of the telescopic rocker arm 4-1, the positioning bulge 4-1-1 is jacked upwards after contacting the limiting bulge 7-3, the positioning bulge 4-1-1 is elastically deformed upwards and passes over the limiting bulge 7-3, and the position of the telescopic rocker arm 4-1 can be limited by the limiting bulge 7-3, so that the telescopic rocker arm is simple in structure and convenient to manufacture, has obvious in-place hand feeling in the telescopic positioning process of the rocker arm, and is convenient to operate. In order to improve the telescopic adjustment stability of the telescopic rocker arm 4-1, a rocker arm sliding groove 4-1-2 (shown in figure 4) is arranged on the telescopic rocker arm 4-1 along the telescopic direction of the telescopic rocker arm 4-1, a sliding guide limiting block 7-4 (shown in figure 5) positioned in the rocker arm sliding groove 4-1-2 is arranged at one end, close to the outer side, of the buckling piece 7, and the telescopic stability and reliability of the telescopic rocker arm 4-1 are further improved by utilizing the sliding guide of the rocker arm sliding groove 4-1-2 and the sliding guide limiting block 7-4.

As shown in fig. 5, for the convenience of assembly, the upper end of the screw cap support frame 8 is provided with a shaft hole matched with the rotating mandrel 7-1, the outer wall of the rotating mandrel 7-1 is provided with an open slot for inward elastic deformation of the rotating mandrel 7-1, the lower end of the rotating mandrel 7-1 is provided with an inverted buckle buckled with the lower end of the shaft hole of the screw cap support frame 8, the rotating mandrel 7-1 is pressed into the shaft hole during assembly, and the elastic deformation of the rotating mandrel 7-1 is utilized to realize the installation of the rotating mandrel 7-1 on the screw cap support frame 8, so that the assembly is simple and convenient. Specifically, the reverse buckle is in a conical shape with a large upper part and a small lower part, the lower end of the reverse buckle is guided into the shaft hole during assembly, the end part of the rotating mandrel 7-1 is extruded to be elastically deformed inwards, when the rotating mandrel 7-1 enters the shaft hole, the reverse buckle extends out of the shaft hole to be elastically reset after the rotating mandrel 7-1 is in place, and stable connection of the rotating mandrel 7-1 and the screw cap support frame 8 is achieved. The whole shape of the screw cap support frame 8 is conical, one side wall of the screw cap support frame 8 is open to avoid a transmission gear, the lower end of the screw cap support frame 8 is provided with an inserting part, the outer side of the inserting part is provided with a clamping bulge 8-1, as shown in figures 2 to 4 and 6, a support fixing groove 2-1-3 is arranged inside the cup cover 2, the support fixing groove 2-1-3 is matched with the inserting part at the lower part of the screw cap support frame 8, a clamping groove 2-1-5 matched with the clamping bulge 8-1 is arranged in the support fixing groove 2-1-3, during assembly, the inserting part at the lower end of the screw cap support frame 8 is inserted into the support fixing groove 2-1-3 and is clamped and fixed by the clamping bulge 8-1 and the clamping groove 2-1-5 in the support fixing groove 2-1-3, the firm connection of the screw cap support frame 8 in the cup cover 2 is realized.

Referring to fig. 2 to 4, in this embodiment, the cup cover 2 includes a lower cover body 2-1 and an upper pressing ring 2-2, a circle of pressing edges 3-1-2 is provided on the periphery of the screw cover 3-1, the upper pressing ring 2-2 is fixedly connected to the lower cover body 2-1, the inner edge of the upper pressing ring 2-2 presses on the pressing edges 3-1-2 of the screw cover 3-1, and the periphery of the screw cover 3-1 is limited by the upper pressing ring 2-2, so that the screw cover 3-1 rotates more stably and reliably. The periphery of the upper part of the lower cover body 2-1 is provided with a circle of outer wall, the outer wall is provided with a plurality of connecting buckles 2-1-1, the inner wall of the upper pressing ring 2-2 is also provided with connecting clamping grooves 2-2-1 matched with the connecting buckles 2-1-1, the upper pressing ring 2-2 is buckled and pressed on the lower cover body 2-1, and the firm connection between the lower cover body 2-1 and the upper pressing ring 2-2 can be realized by buckling the connecting buckles 2-1-1 and the connecting clamping grooves 2-2-1. In order to facilitate the accurate buckling of the upper pressing ring 2-2 and the lower cover body 2-1, a vertically arranged guide groove (as shown in the upper part of fig. 6) is further arranged on the outer side of the outer wall of the upper part of the lower cover body 2-1, a vertically arranged guide rib is arranged at a corresponding position in the upper pressing ring 2-2, and the accurate buckling and fixing between the upper pressing ring 2-2 and the lower cover body 2-1 can be ensured by utilizing the positioning action of the guide rib and the guide groove. The support fixing groove 2-1-3 is arranged on the lower cover body 2-1, the upper part of the lower cover body 2-1 is also provided with a support table 2-1-2 corresponding to the inner gear ring 3-1-1, and the bottom of the inner gear ring 3-1-1 is supported by the support table 2-1-2, so that the mounting stability of the screw cover 3-1 is further improved. As shown in figure 2, a circle of outer wall matched with the cup body 1 is arranged on the periphery of the lower part of the lower cover body 2-1, a plurality of rotary clamping grooves 2-1-4 are arranged on the outer wall, rotary buckles matched with the rotary clamping grooves 2-1-4 are arranged on the inner side wall of the cup opening of the cup body 1, when the cup is installed, the cup body 1 is matched with the outer wall of the lower part of the lower cover body 2-1, the rotary buckles extend into the rotary clamping grooves 2-1-4, then the cup body 1 is rotated to enable the rotary buckles to be clamped into the inner sides of the rotary clamping grooves 2-1-4, the connecting structure of the cup body 1 and the cup cover 2 is the same as the existing design. In order to prevent the food material from rotating together with the blade component 6 in the cup body 1, a plurality of rotation stopping ribs 1-1 are also arranged on the inner wall of the cup body 1; in order to improve the rotation stability of the blade component 6, a positioning column 1-2 matched with a positioning hole at the lower part of the blade component 6 is also arranged at the center of the bottom of the cup body 1. In order to improve the anti-skid performance of the small hand-operated vegetable cutter, the bottom of the cup body 1 is also provided with an anti-skid pad 1-3. The blade component 6 is detachably connected with the connecting column 3-4-1 at the lower end of the central gear 3-4, so that the blade component 6 is convenient to disassemble, replace and clean, and the connecting column 3-4-1 and the blade component 6 can also be connected by a magnetic suction structure. Other structures of the blade assembly 6 are the same as those of the blade set of the existing shredder, and are not described in detail herein.

As shown in fig. 2, 6 and 7, in the present embodiment, the transmission gear is a duplicate gear, and includes a first transmission gear 3-2 and a second transmission gear 3-3, the transmission gear is rotatably mounted on the lower cover 2-1, the first transmission gear 3-2 is engaged with the inner gear ring 3-1-1, the second transmission gear 3-3 is engaged with the central gear 3-4 rotatably mounted on the lower cover 2-1, and a duplicate gear design is adopted, so that the transmission ratio is further optimized, and the layout of the gear set is more compact; the lower cover body 2-1 is also provided with at least one balance gear 3-5 meshed with the inner gear ring 3-1-1, and the balance gear 3-5 is adopted to balance the stress of the inner gear ring 3-1-1, so that the transmission stability of the inner gear ring 3-1-1 is higher. In order to improve the transmission stability of the gear set, a transmission gear mounting shaft 2-1-6 and a balance gear mounting shaft 2-1-7 are arranged at the corresponding positions on the upper part of the lower cover body 2-1, the transmission gear is mounted on the transmission gear mounting shaft 2-1-6 through a transmission gear shaft sleeve 3-6 or a bearing, and the balance gear 3-5 is also mounted on the balance gear mounting shaft 2-1-7 through a shaft sleeve or a bearing; the lower end of the central gear 3-4 is provided with an integrated wheel shaft, and the wheel shaft of the central gear 3-4 is rotatably arranged in the central hole of the lower cover body 2-1 through a central gear shaft sleeve 3-7 or a bearing, so that the rotation of the gear speed increasing mechanism 3 is more flexible and stable, and the service life is long.

According to the small hand-operated shredder flexible and labor-saving to operate, when the shredder is used, blocky food materials are placed into the cup body 1, the cup cover 2 together with the blade assembly 6 and the cup body 1 are well assembled, according to the blocky size and the hardness of the food materials, when the blade assembly 6 is high in resistance, one hand holds the cup body 1, the other hand is screwed and screwed with the screwing part 5 to drive the screw cover 3-1 to rotate, the screw cover 3-1 rotates to drive the blade assembly 6 to rotate through the gear speed increasing mechanism 3 to shred the large food materials, and the rotation resistance of the blade assembly 6 is reduced; then reuse hand crank 4 drive blade subassembly 6 fast rotation and further chop eating the material, specifically, outwards pull out hand crank 4, increase the radius of rotation of hand crank 4, operate more laborsavingly this moment, when the rotational speed of blade subassembly 6 needs to be accelerated, inwards shrink hand crank 4, make the radius of rotation of hand crank 4 reduce, the speed of rotatory hand crank 4 is faster, and then has improved the rotational speed of blade subassembly 6, can cut up eating the material fast.

The utility model discloses a laborsaving small-size hand shredder of flexible operation, its gear acceleration mechanism adopts spiral cover ring gear transmission, compact structure and drive ratio are big, set up simultaneously on the spiral cover and can operate the rotatory crank of spiral cover and twist the portion soon, it can the direct drive spiral cover rotation to twist the portion soon, can provide bigger drive power in the initial section of cutting up, eat the preliminary comminution of massive material, the crank can be more laborsaving and the rotation of quick drive spiral cover, can will eat the material further to cut up into the end fast laborsavingly after eating the preliminary comminution of material, make the operation of hand shredder nimble convenience more. In addition, the crank handle adopts a telescopic structure, so that multi-gear telescopic adjustment of the crank handle can be realized in the rotary cover, when the crank handle is used for driving the rotary cover, a longer rocker arm can be used for rotating in the first half section, so that the crank handle is more labor-saving to rotate, and a shorter rocker arm can be used for rotating in the second half section, so that the rotating radius is shorter, the rotating speed of the crank handle is improved, the rotating cutting speed of the blade assembly is further improved, the food material chopping efficiency is further improved, and food materials can be chopped; and the structure design of the hand crank and the gear speed increasing mechanism is compact, the transmission is stable and reliable, the occupied space is small after the hand crank is contracted, and the use is flexible and labor-saving.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.

Claims (10)

1. The utility model provides a small-size hand shredder of flexible operation laborsaving, includes cup (1), with cup (1) assorted bowl cover (2), install gear speed increasing mechanism (3) on bowl cover (2), hand crank (4) of being connected with gear speed increasing mechanism (3) transmission and be located cup (1) and blade subassembly (6) that are connected with the output of gear speed increasing mechanism (3), its characterized in that: the gear speed increasing mechanism (3) comprises a screw cap (3-1), a transmission gear and a central gear (3-4), the rotary cover (3-1) is rotatably arranged on the cup cover (2), an inner side wall of the rotary cover (3-1) is provided with an inner gear ring (3-1-1), the inner gear ring (3-1-1) is in meshing transmission with the central gear (3-4) through a transmission gear, the central gear (3-4) is coaxially provided with a connecting column (3-4-1) which extends into the cup body (1) and is connected with the blade component (6), the hand crank (4) is eccentrically arranged on one side of the screw cap (3-1), the center of the screw cap (3-1) is also provided with a screwing part (5), the hand crank (4) and the screwing part (5) can operate the screwing cover (3-1) to rotate.

2. The small hand-operated shredder with flexible and labor-saving operation as claimed in claim 1, is characterized in that: the hand crank (4) comprises a telescopic rocker arm (4-1) and a crank handle (4-2), the telescopic rocker arm (4-1) is slidably mounted in the rotary cover (3-1), and the crank handle (4-2) is mounted at the end part of one end of the telescopic rocker arm (4-1) located on the outer side of the rotary cover (3-1).

3. The small hand-operated shredder with flexible and labor-saving operation as claimed in claim 2, is characterized in that: at least two adjusting gears for the telescopic positioning of the telescopic rocker arm (4-1) are arranged in the rotary cover (3-1).

4. The small hand-operated shredder with flexible and labor-saving operation as claimed in claim 3, is characterized in that: the middle part of the rotary cover (3-1) protrudes upwards to form a rotary screwing part (5), a sliding cavity is formed in the rotary screwing part (5), and the telescopic rocker arm (4-1) is arranged in the sliding cavity in a telescopic mode.

5. The small hand-operated shredder with flexible and labor-saving operation as claimed in claim 4, is characterized in that: the inner side of the screw cover (3-1) is fixedly provided with a pressing piece (7), the pressing piece (7) and the screw cover (3-1) form a sliding cavity, the pressing piece (7) is provided with a rotating mandrel (7-1) coaxial with the screw cover (3-1), the rotating mandrel (7-1) is rotatably connected with a screw cover support frame (8), and the screw cover support frame (8) is fixedly arranged in the cup cover (2).

6. The small hand-operated shredder with flexible and labor-saving operation as claimed in claim 5, is characterized in that: one end of the telescopic rocker arm (4-1) positioned in the sliding cavity is provided with a positioning protrusion (4-1-1), the pressing piece (7) is provided with an inner sliding groove (7-2) in sliding fit with the positioning protrusion (4-1-1) along the telescopic direction of the telescopic rocker arm (4-1), at least two ends of the inner sliding groove (7-2) are provided with limiting protrusions (7-3), and the limiting protrusions (7-3) are matched with the positioning protrusion (4-1-1) to form the adjusting gear.

7. The small hand-operated shredder with flexible and labor-saving operation as claimed in claim 6, is characterized in that: the telescopic rocker arm (4-1) is provided with a rocker arm sliding groove (4-1-2) along the telescopic direction of the telescopic rocker arm (4-1), and one end of the buckling and pressing piece (7) close to the outer side is provided with a guide sliding limiting block (7-4) positioned in the rocker arm sliding groove (4-1-2).

8. The small hand-operated shredder with flexible and labor-saving operation as claimed in claim 7, is characterized in that: the upper end of spiral cover support frame (8) be equipped with rotate dabber (7-1) matched with shaft hole, the outer wall of rotation dabber (7-1) on be equipped with and be used for making and rotate dabber (7-1) opening slot to inside elastic deformation, the lower tip of rotation dabber (7-1) be equipped with the back-off with the shaft hole lower extreme lock of spiral cover support frame (8).

9. The small hand-operated shredder with flexible and labor-saving operation as claimed in any one of claims 1 to 8, is characterized in that: the cup cover (2) comprises a lower cover body (2-1) and an upper pressing ring (2-2), a circle of pressing edge (3-1-2) is arranged on the periphery of the rotary cover (3-1), the upper pressing ring (2-2) is fixedly connected with the lower cover body (2-1), and the inner edge of the upper pressing ring (2-2) is pressed on the pressing edge (3-1-2) of the rotary cover (3-1).

10. The small hand-operated shredder with flexible and labor-saving operation as claimed in claim 9, is characterized in that: the transmission gear is a duplicate gear and comprises a first transmission gear (3-2) and a second transmission gear (3-3), the transmission gear is rotatably installed on the lower cover body (2-1), the first transmission gear (3-2) is meshed with the inner gear ring (3-1-1), and the second transmission gear (3-3) is meshed with a central gear (3-4) rotatably installed on the lower cover body (2-1); the lower cover body (2-1) is also provided with at least one balance gear (3-5) meshed with the inner gear ring (3-1-1).

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