CN108481368B - Watermelon cutter - Google Patents

Watermelon cutter Download PDF

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Publication number
CN108481368B
CN108481368B CN201810268380.5A CN201810268380A CN108481368B CN 108481368 B CN108481368 B CN 108481368B CN 201810268380 A CN201810268380 A CN 201810268380A CN 108481368 B CN108481368 B CN 108481368B
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CN
China
Prior art keywords
clamping rod
blade
driving clamping
blades
driving
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CN201810268380.5A
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Chinese (zh)
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CN108481368A (en
Inventor
卢园园
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卢园园
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Priority to CN201810268380.5A priority Critical patent/CN108481368B/en
Publication of CN108481368A publication Critical patent/CN108481368A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B3/00Hand knives with fixed blades
    • B26B3/04Hand knives with fixed blades for performing several incisions simultaneously; Multiple-blade knives

Abstract

The invention discloses a watermelon cutter, which comprises a cutter frame, wherein two fixed handles are symmetrically arranged on two sides of the cutter frame, a blade assembly is arranged in the cutter frame and consists of blades which are sequentially crossed, the cross point of the blades is the center point of the cutter frame, a notch is arranged at the cross point of the blades, the heights of the blades in the blade assembly are sequentially reduced, the cutting edges of the blades in the blade assembly are positioned on the same plane, a driving clamping rod hole and a driven clamping rod hole which are opposite to each other are arranged on the cutter frame, a driving clamping rod and a driven clamping rod are respectively arranged in the driving clamping rod hole and the driven clamping rod hole, a telescopic assembly is arranged at the driving clamping rod hole and comprises a gland and a spring, the gland is connected to a connecting head positioned at the driving clamping rod hole, one end of the spring is matched and connected with a convex ring body on the driving clamping rod, the other end of, the other end of the active clamping rod extends out of the tool rest from the active clamping rod hole, so that the operation intensity is reduced.

Description

Watermelon cutter
Technical Field
The invention relates to a cutter, in particular to a watermelon cutter.
Background
In recent years, watermelons are cut by a plurality of straight knives at home and abroad, so that the watermelons can be quickly divided into a plurality of parts, the cut watermelons are very attractive, the cut watermelons are uniform in thickness, the cutter needs to be pressed downwards when the watermelons are cut, but the straight knives act on the watermelons simultaneously, the resistance is large, and people with small strength are difficult to operate.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a watermelon cutter which can easily cut a watermelon into a plurality of parts and reduce the operation intensity.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a watermelon cutter comprises a cutter frame, two fixing handles are symmetrically arranged on two sides of the cutter frame, a blade assembly is arranged in the cutter frame and consists of blades which are sequentially arranged in a crossed manner, the crossed point of the blades is the center point of the cutter frame, notches are arranged at the crossed points on the blades, the heights of the blades in the blade assembly are sequentially reduced, the cutting edges of the blades in the blade assembly are positioned on the same plane, a driving clamping rod hole and a driven clamping rod hole which are opposite to each other are arranged on the cutter frame, a driving clamping rod and a driven clamping rod are respectively arranged in the driving clamping rod hole and the driven clamping rod hole, a telescopic assembly is arranged at the position of the driving clamping rod hole and comprises a gland and a spring, the gland is connected to a connecting head positioned at the position of the driving clamping rod hole, one end of the spring is connected with a convex ring body on the driving clamping rod, the other end of the active clamping rod extends out of the tool rest from the active clamping rod hole, the driven clamping rod is connected to the other end of the blade, a pressing mechanism is arranged on the fixed handle and connected with a brake strip, the brake strip is attached to the outer wall of the tool rest, and a brake groove matched with the end of the active clamping rod is formed in the brake strip.
In order to optimize the technical scheme, the adopted measures further comprise:
the pressing mechanism comprises a movable handle, the movable handle is movably connected with one end of the connecting piece on the fixed handle through a shaft pin, and an elastic piece which enables the movable handle to be lifted and rebounded is sleeved on the shaft pin.
The knife rest is provided with a sliding groove, and the brake strip is movably arranged in the sliding groove.
A bayonet is arranged at one end of the brake strip, and the brake end of the movable handle is inserted into the bayonet of the brake strip.
Smooth brake pads are arranged at the brake grooves on the brake strips, and the ends of the active clamping rods are in smooth transition.
The rod body of the driving clamping rod and the driven clamping rod in the cutter frame is provided with a clamping opening for clamping the blade, and two ends of the blade are respectively inserted into the clamping openings of the driving clamping rod and the driven clamping rod and clamped and locked by fastening screws.
The blade component is characterized in that the blade positioned at the bottommost end is not provided with a notch.
The blade edge of the blade assembly is a serrated edge, and about 10cm from the center of the blade is a straight edge.
The invention relates to a watermelon cutter, which comprises a cutter frame, wherein two fixed handles are symmetrically arranged on two sides of the cutter frame, a blade assembly is arranged in the cutter frame and consists of blades which are sequentially crossed, the cross point of the blades is the center point of the cutter frame, notches are arranged at the cross point of the blades, the heights of the blades in the blade assembly are sequentially reduced, the cutting edges of the blades in the blade assembly are positioned on the same plane, a driving clamping rod hole and a driven clamping rod hole which are opposite to each other are arranged on the cutter frame, a driving clamping rod and a driven clamping rod are respectively arranged in the driving clamping rod hole and the driven clamping rod hole, a telescopic assembly is arranged at the driving clamping rod hole and comprises a gland and a spring, the gland is connected to a connecting head positioned at the driving clamping rod hole, one end of the spring is matched and connected with a convex ring body on the driving clamping rod, the other end, the other end of the driving clamping rod extends out of the knife rest from the hole of the driving clamping rod, the driven clamping rod is connected to the other end of the blade, a pressing mechanism is arranged on the fixed handle and connected with a brake strip, the brake strip is attached to the outer wall of the knife rest, a brake groove matched with the end portion of the driving clamping rod is formed in the brake strip, the brake strip pushes the driving clamping rod to move inwards through the pressing mechanism, the blade is driven to cut watermelon, labor is saved in cutting, and operation intensity is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
fig. 3 is an enlarged view of a portion I of fig. 1.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 3 are schematic structural views of the present invention.
Wherein the reference numerals are: the tool rest comprises a tool rest 1, a driving clamping rod hole 11, a driven clamping rod hole 12, a driving clamping rod 13, a driven clamping rod 14, a gland 15, a spring 16, a connector 17, a sliding groove 18, a clamping opening 19, a fixed handle 2, a connector 21, a blade assembly 3, a notch 31, a brake strip 4, a brake groove 41, a bayonet 42, a brake piece 43, a movable handle 5, a shaft pin 51, an elastic piece 52 and a fastening screw 6.
Fig. 1 to 3 are schematic structural views of the present invention.
A watermelon cutter comprises a cutter frame 1, two fixed handles 2 are symmetrically arranged on two sides of the cutter frame 1, a blade assembly 3 is arranged in the cutter frame 1, the blade assembly 3 is composed of four blades which are sequentially crossed, the cross point of the blades is the central point of the cutter frame 1, a notch 31 is arranged at the cross point on the blades, the heights of the four blades in the blade assembly 3 are sequentially reduced, the four blades are stacked at the notch 31 and are not mutually influenced when a watermelon is cut, the blade of the next layer moves in the notch 31 of the blade of the previous layer, the cutting edges of the blades in the blade assembly 3 are positioned on the same plane, a driving clamping rod hole 11 and a driven clamping rod hole 12 which are opposite are arranged on the cutter frame 1, the driving clamping rod hole 11 and the driven clamping rod hole 12 are symmetrically arranged by the center of the cutter frame 1, a driving clamping rod 13 and a driven clamping rod 14 are respectively arranged in the driving clamping rod hole 11 and the driven clamping rod hole 12, the telescopic component comprises a gland 15 and a spring 16, the gland 15 is connected on a connector 17 positioned at the position of a driving clamping rod hole 11, an internal thread is arranged in the gland 15, the connector 17 is provided with an external thread, the gland 15 is connected with the connector 17 through the thread, one end of the spring 16 is matched and connected with a convex ring body on the driving clamping rod 13, the other end is matched and connected with the bottom of the gland 15, one end of the driving clamping rod 13 extends out from the central hole of the gland 15 to be connected with a blade, the other end of the driving clamping rod extends out of the tool rest 1 from the driving clamping rod hole 11, a driven clamping rod 14 is connected at the other end of the blade, a fixed handle 2 is provided with a pressing mechanism, the pressing mechanism is connected with a brake bar 4, the brake bar 4 is attached to the outer wall of the tool rest 1, a brake groove 41 matched with the end part of the driving clamping rod 13 is arranged on the brake bar 4 to push, the active clamping rod 13 drives the blade component 3 to cut the watermelon.
In the embodiment, the pressing mechanism comprises a movable handle 5, the movable handle 5 is movably connected with one end of a connecting piece 21 on the fixed handle 2 through a shaft pin 51, and an elastic piece 52 which enables the movable handle 5 to rebound upwards is sleeved on the shaft pin 51.
In the embodiment, the tool holder 1 is provided with a sliding groove 18, and the brake strip 4 is movably arranged in the sliding groove 18.
In the embodiment, one end of the brake strip 4 is provided with a bayonet 42, and the braking end of the movable handle 5 is inserted into the bayonet 42 of the brake strip 4.
In the embodiment, the brake strip 4 is provided with a smooth brake pad 43 at the brake groove 41, the end of the active clamping rod 13 is in smooth transition, and the smooth brake pad 43 is easy to act on the end of the active clamping rod 13.
In the embodiment, the rod bodies of the driving clamping rod 13 and the driven clamping rod 14 in the tool holder 1 are provided with clamping openings 19 for clamping the blades, and two ends of the blades are respectively inserted into the clamping openings 19 of the driving clamping rod 13 and the driven clamping rod 14 and clamped and locked by the fastening screws 6.
In the embodiment, the blade at the bottommost end of the blade component 3 is not provided with the notch 31, so that the manufacturing process can be reduced, and the watermelon can be completely cut.
In the embodiment, the blade edge of the blade component 3 is a serrated edge, the center of the blade is about 10cm, most of the watermelon eaten by people has a diameter larger than 10cm, and the resistance of the watermelon peel to the blade is mainly high during cutting, so that the serrated edge cutting is mainly performed on the watermelon peel, and the flavor of the watermelon can be maintained by the straight edge cutting.
The working principle is as follows:
the braking end of the movable handle is inserted into the bayonet of the braking strip, the movable handle is pressed, meanwhile, the fixed handle is slightly pressed downwards, the braking end acts on the bayonet, the braking strip is enabled to move in the sliding groove, the braking groove of the braking strip applies pressure to the driving clamping rod exposed out of the knife rest, the driving clamping rod is enabled to move inwards, the blade with the saw teeth cuts the saw teeth of the watermelon peel part, the central straight edge of the watermelon is cut, the movable handle is loosened, the movable handle resets under the action of the elastic piece, the braking strip is pulled back, the driving clamping rod drives the blade to return under the action of restoring force of the spring, the watermelon is cut for the second time, the end part of the driving clamping rod is exposed out of the braking groove, the actions are repeated, and the watermelon is cut.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.

Claims (1)

1. The utility model provides a watermelon cutterbar, includes knife rest (1), knife rest (1) bilateral symmetry is equipped with two fixed handles (2), characterized by: the novel knife rest is characterized in that a knife blade assembly (3) is arranged in the knife rest (1), the knife blade assembly (3) is formed by blades which are arranged in a sequential and crossed manner, the cross point of each blade is the center point of the knife rest (1), a notch (31) is formed in the position, located on the cross point, of each blade, the heights of the blades in the knife blade assembly (3) are gradually decreased, the cutting edges of the blades in the knife blade assembly (3) are located on the same plane, a driving clamping rod hole (11) and a driven clamping rod hole (12) which are opposite to each other are formed in the knife rest (1), a driving clamping rod (13) and a driven clamping rod (14) are respectively arranged in the driving clamping rod hole (11) and the driven clamping rod hole (12), a telescopic assembly is arranged at the driving clamping rod hole (11), and comprises a gland (15) and a spring (16), the gland (15) is connected to a, one end of the spring (16) is connected with the convex ring body on the active clamping rod (13) in a matching way, the other end is connected with the bottom of the gland (15) in a matching way, one end of the active clamping rod (13) extends out of the central hole of the gland (15) and is connected with the blade, the other end of the driven clamping bar (14) extends out of the tool rest (1) from the driving clamping bar hole (11) and is connected with the other end of the blade, the fixed handle (2) is provided with a pressing mechanism which is connected with a brake bar (4), the braking strip (4) is attached to the outer wall of the knife rest (1), a braking groove (41) matched with the end part of the driving clamping rod (13) is formed in the braking strip (4) to push the braking strip (4), the braking groove (41) applies pressure to the driving clamping rod (13) exposed out of the knife rest (1), the driving clamping rod (13) moves inwards, and the driving clamping rod (13) drives the blade assembly (3) to cut watermelon; the pressing mechanism comprises a movable handle (5), the movable handle (5) is movably connected with one end of a connecting piece (21) on the fixed handle (2) through a shaft pin (51), and an elastic piece (52) which enables the movable handle (5) to be lifted and rebounded is sleeved on the shaft pin (51); a sliding groove (18) is formed in the tool rest (1), and the brake strip (4) is movably arranged in the sliding groove (18); a bayonet (42) is arranged at one end of the brake strip (4), and the braking end of the movable handle (5) is inserted into the bayonet (42) of the brake strip (4); a smooth brake pad (43) is arranged at the position, located at the brake groove (41), of the brake bar (4), and the end of the active clamping rod (13) is in smooth transition; the driving clamping rod (13) and the driven clamping rod (14) are positioned on a rod body in the tool rest (1) and provided with clamping openings (19) for clamping blades, and two ends of each blade are respectively inserted into the clamping openings (19) of the driving clamping rod (13) and the driven clamping rod (14) and clamped and locked by fastening screws (6); the blade at the bottommost end in the blade component (3) is not provided with a notch (31); the blade cutting edge in the blade component (3) is a serrated cutting edge, and the center 10cm of the blade is a straight edge.
CN201810268380.5A 2018-03-29 2018-03-29 Watermelon cutter Active CN108481368B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810268380.5A CN108481368B (en) 2018-03-29 2018-03-29 Watermelon cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810268380.5A CN108481368B (en) 2018-03-29 2018-03-29 Watermelon cutter

Publications (2)

Publication Number Publication Date
CN108481368A CN108481368A (en) 2018-09-04
CN108481368B true CN108481368B (en) 2021-04-02

Family

ID=63317243

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810268380.5A Active CN108481368B (en) 2018-03-29 2018-03-29 Watermelon cutter

Country Status (1)

Country Link
CN (1) CN108481368B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0423498D0 (en) * 2004-10-22 2004-11-24 Gmca Pty Ltd Blade clamping apparatus
CN201792343U (en) * 2010-05-17 2011-04-13 邬岳伟 Rebound cutter
CN203510303U (en) * 2013-09-07 2014-04-02 邢鹏达 Adjustable type watermelon loop cutter
CN205835469U (en) * 2016-08-01 2016-12-28 河北工业大学 One is hand cuts Citrullus vulgaris device
CN106827003A (en) * 2017-01-24 2017-06-13 李国强 Fruit cutting device
JP3211530U (en) * 2017-05-09 2017-07-20 株式会社コジマ Fruit cutting cooker

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