CN211322843U

CN211322843U - Crab clamp

Info

Publication number: CN211322843U
Application number: CN201821465090.1U
Authority: CN
Inventors: 宋扬; 朱忠荣
Original assignee: Huzhou wuxing experimental middle school
Current assignee: Huzhou wuxing experimental middle school
Priority date: 2018-09-07
Filing date: 2018-09-07
Publication date: 2020-08-25
Anticipated expiration: 2028-09-07

Abstract

The utility model relates to an everyday object the field, concretely relates to crab anchor clamps, include: the crab shell clamp comprises an upper clamping plate, a lower clamping plate, a torsion spring leg clamp and a crab body clamping block, wherein the torsion spring leg clamp comprises an upper sliding rod part, a lower sliding rod part and a torsion spring part which connects the upper sliding rod part and the lower sliding rod part together, and snap rings are arranged on the upper sliding rod part and the lower sliding rod part; the upper chuck plate comprises an upper crab leg clamping area and an upper crab body clamping area, the upper crab leg clamping area is positioned at two sides of the upper crab body clamping area, the upper crab leg clamping area protrudes outwards and is internally provided with a first transverse guide rod group, the upper sliding rod part is in sliding connection with the upper crab leg clamping area through a first transverse guide rod, the upper crab body clamping area is internally provided with a longitudinal guide rod, and the crab body clamping block is in sliding connection with the upper crab body clamping area through the longitudinal guide rod; the lower chuck comprises a lower crab leg clamping area and a lower crab body clamping area, the lower crab leg clamping area and the lower crab body clamping area are respectively arranged in the upper crab leg clamping area and the upper crab body clamping area correspondingly, a second transverse guide rod group is arranged in the lower crab leg clamping area, and a grid supporting rod is arranged in the lower crab body clamping area.

Description

Crab clamp

Technical Field

The utility model relates to the field of daily necessities, concretely relates to crab anchor clamps.

Background

The Taihu crab is a special product of lake in Zhejiang. The Taihu lake crab belongs to a crab, which has 1 pair of crab pincers and 4 pairs of oblique angles. Generally, consumers cannot bind crabs by themselves, and when buying the crabs in the market, the crabs are bound well by the help of aquatic operators, however, the binding and unbinding processes of the traditional bound crabs are time-consuming and labor-consuming.

Chinese patent document CN105857683A discloses a crab binding apparatus, which comprises a driving assembly, a crab fixing assembly, a mounting plate, a fixing table and a binding assembly. Although the scheme is helpful for binding crabs, the structure is complex, the use is not very convenient, and the bound crabs are not easy to clean.

Chinese patent document CN106490120A discloses a crab box for conveniently cleaning crabs, the box body of which comprises a crab body sleeve and a crab leg sleeve. The scheme adopts a mode of fixing the extended crab legs of the crabs, firstly, the crab bodies are stuffed into the crab body sleeves, then the crab leg sleeves are stretched towards two sides, and the free ends of the positioning rods abut against the joints of the crab backs and the crab legs, so that the crab leg sleeves cannot retract. Then the 4 pairs of crab legs are pulled upwards, so that the joints of the 4 pairs of crab legs are erected on the towing pull ring, the 4 pairs of crab legs are not only clamped by the reverse joint mode, but also are not contacted with the ground any more after the 4 pairs of crab legs are lifted, and therefore the crab can not move by itself. According to the scheme, the crab is fixed in a binding mode, the fixed crab is convenient to clean, the operation is relatively complicated, and the crab legs are easily broken in the process that the joint positions of the 4 pairs of crab legs are erected on the towing pull ring by manually pulling the 4 pairs of crab legs upwards.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a crab clamp.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a crab clamp comprising: the crab shell clamp comprises an upper clamping plate, a lower clamping plate, a torsion spring leg clamp and a crab body clamping block, wherein the torsion spring leg clamp comprises an upper sliding rod part, a lower sliding rod part and a torsion spring part which connects the upper sliding rod part and the lower sliding rod part together, and retaining rings are arranged on the upper sliding rod part and the lower sliding rod part; the upper chuck plate comprises an upper crab leg clamping area and an upper crab body clamping area, the upper crab leg clamping area is positioned at two sides of the upper crab body clamping area, the upper crab leg clamping area protrudes outwards and is internally provided with a first transverse guide rod group, the upper slide rod part is in sliding connection with the upper crab leg clamping area through the first transverse guide rod group, the upper crab body clamping area is internally provided with a longitudinal guide rod, and the crab body clamping block is in sliding connection with the upper crab body clamping area through the longitudinal guide rod; the lower chuck comprises a lower crab leg clamping area and a lower crab body clamping area, the lower crab leg clamping area and the lower crab body clamping area are respectively and correspondingly arranged in the upper crab leg clamping area and the upper crab body clamping area, a second transverse guide rod group is arranged in the lower crab leg clamping area, the lower sliding rod part is in sliding connection with the lower crab leg clamping area through the second transverse guide rod group, and a grid supporting rod is arranged in the lower crab body clamping area.

Preferably, the crab body clamping blocks are two in number and symmetrically arranged on the longitudinal guide rod, each crab body clamping block comprises a sliding block in the middle and pull rods on two sides of the sliding block, hooks are arranged at opposite positions of the sliding blocks of the two crab body clamping blocks, and a trapping rope or a rubber band is arranged between the two hooks.

Preferably, a guide block is arranged at the end part of the pull rod, a guide hole is formed in the guide block, a sliding hole used for connecting the longitudinal guide rod is formed in the sliding block, and a crab body positioning rod is arranged on the sliding block towards the inner side of the clamp.

Preferably, the slide block is provided with a rotating hook which is hooked on the upper chuck to fix the position of the slide block when the crab is not clamped.

Preferably, the torsion spring part is arranged at the root parts of the upper slide rod part and the lower slide rod part, and the tops of the upper slide rod part and the lower slide rod part are respectively provided with crab claw bending sections for clamping crab claws.

Preferably, the retaining ring of the upper slide bar part is further provided with a guide ring, and the guide ring is connected with the crab body clamping block through the guide hole.

Preferably, the guide ring is an isosceles triangle.

Preferably, crab body pre-positioning rods are arranged on two sides of the lower crab body clamping area.

Preferably, the front end of the lower chuck is provided with a mandril, and the top of the mandril is provided with a rubber mat.

To sum up, the utility model discloses a crab anchor clamps, simple structure only needs simple steel wire welding to bend and can make to repeatedly usable. The clamp can effectively protect the crab feet of the crab clamp while realizing the quick and stable fixation of the crabs. In addition, the fixed crabs can be conveniently cleaned.

Drawings

FIG. 1 is a front side view of the present invention;

FIG. 2 is a rear side view of the present invention;

FIG. 3 is a schematic structural view of the torsion spring leg clip of the present invention;

fig. 4 is a schematic structural view of the crab body clamp of the utility model.

Detailed Description

The following specific embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.

The present invention will be described in detail by way of examples with reference to the accompanying drawings.

Example 1:

as shown in fig. 1 to 4, a crab clamp includes: an upper chuck 1, a lower chuck 2, a torsion spring leg clamp 3 and a crab body clamp block 4.

The torsion spring leg clamp 3 includes an upper slide bar portion 31, a lower slide bar portion 32, and a torsion spring portion 33 connecting the upper slide bar portion 31 and the lower slide bar portion 32 together, and snap rings 34 are provided on the upper slide bar portion 31 and the lower slide bar portion 32.

The upper chuck 1 comprises an upper crab leg clamping area 11 and an upper crab body clamping area 12, wherein the upper crab leg clamping area 11 is positioned at two sides of the upper crab body clamping area 12, the upper crab leg clamping area 11 protrudes outwards and is internally provided with a first transverse guide rod group 111, an upper slide rod part 31 is in sliding connection with the upper crab leg clamping area 11 through the first transverse guide rod group 111, a longitudinal guide rod 121 is arranged in the upper crab body clamping area 12, and a crab body clamping block 4 is in sliding connection with the upper crab body clamping area 12 through the longitudinal guide rod 121.

The lower chuck 2 comprises a lower crab leg clamping area 21 and a lower crab body clamping area 22, the lower crab leg clamping area 21 and the lower crab body clamping area 22 are respectively arranged in the upper crab leg clamping area 11 and the upper crab body clamping area 12 correspondingly, a second transverse guide rod group 211 is arranged in the lower crab leg clamping area 21, a lower sliding rod part 32 is connected with the lower crab leg clamping area 21 in a sliding mode through the second transverse guide rod group 211, a grid supporting rod 221 is arranged in the lower crab body clamping area 22, crab body pre-positioning rods 222 are arranged on two sides of the lower crab body clamping area 22, a mandril 23 is arranged at the front end of the lower chuck 2, and a rubber pad 231 is arranged at the top of the mandril 23.

According to fig. 4, the number of the crab body clamping blocks 4 is two, the crab body clamping blocks are symmetrically arranged on the longitudinal guide rod 121, each crab body clamping block 4 comprises a sliding block 41 in the middle and pull rods 42 on two sides of the sliding block 41, hooks 43 are arranged at opposite positions of the sliding blocks 41 of the two crab body clamping blocks 4, a trapped rope or a rubber band 5 is arranged between the two hooks, a guide block 44 is arranged at the end part of the pull rod 42, a guide hole 441 is arranged in the guide block 44, a sliding hole 411 used for connecting the longitudinal guide rod 121 is arranged on the sliding block 41, a crab body positioning rod 412 is arranged on the sliding block 41 towards the inner side of the clamp, and a rotating hook 45 is.

According to fig. 3, the torsion spring part 33 is arranged at the root parts of the upper slide rod part 31 and the lower slide rod part 32, the tops of the upper slide rod part 31 and the lower slide rod part 32 are respectively provided with a crab clamp bending section 301 for clamping the crab clamp, the retaining ring 34 of the upper slide rod part 31 is further provided with a guide ring 35, the guide ring 35 is connected with the crab body clamping block 4 through a guide hole 441, and the guide ring 35 is in an isosceles triangle shape.

When the clamp does not clamp crabs, the upper chuck plate 1 and the lower chuck plate 2 are mutually closed under the action of the torsion spring part 33 of the torsion spring leg clamp 3, the upper chuck plate 1 and the lower chuck plate 2 are pushed away by a certain distance through the ejector rod 23, at the moment, the rubber band 5 between the crab body clamp blocks 4 is untied, the rotating hook 45 is buckled at the edge of the upper chuck plate 1, the crab body clamp blocks 4 are positioned at the edge of the upper chuck plate 1, and the two torsion spring leg clamps 3 are also in a furled state under the action of the pull rod 42.

When the clamp is required to clamp the crab, the upper clamp 1 and the lower clamp 2 are broken off, the bottom of the crab is prevented from being arranged at the grid supporting rod 221 of the lower crab body clamping area 22, the crab body pre-positioning rod 222 firstly limits the approximate moving range of the crab, then the upper clamp 1 and the lower clamp 2 are loosened, the upper clamp 1 and the lower clamp 2 are folded under the action of the torsion spring part 33 of the torsion spring leg clamp 3, the whole crab is clamped between the upper clamp 1 and the lower clamp 2, and crab feet are fixed between the upper slide rod part 31 and the lower slide rod part 32. Then the rotating hook 45 is unfastened, the two crab body clamping blocks 4 are buckled, the torsion spring leg clamps 3 are pushed towards the two sides of the clamp under the action of the pull rods 42 when the crab body clamping blocks 4 slide, the crab feet are flattened under the action of the torsion spring leg clamps 3, meanwhile, the crab pincers are fixed under the action of the crab pincers bending sections 301, and after the upper end and the lower end of the crab body are clamped by the crab body positioning rods 412 on the crab body clamping blocks 4, the leather bands 5 are tied, so that the whole crab is fixed. The fixation is required to be released, and the crabs can be taken out only by unfastening the rubber band 5 and opening the upper chuck 1 and the lower chuck 2.

Claims

1. A crab clamp, comprising: the crab shell clamp comprises an upper clamping plate (1), a lower clamping plate (2), a torsion spring leg clamp (3) and a crab shell clamping block (4), wherein the torsion spring leg clamp (3) comprises an upper sliding rod part (31), a lower sliding rod part (32) and a torsion spring part (33) which connects the upper sliding rod part (31) and the lower sliding rod part (32) together, and snap rings (34) are arranged on the upper sliding rod part (31) and the lower sliding rod part (32);

the upper chuck (1) comprises an upper crab leg clamping area (11) and an upper crab body clamping area (12), wherein the upper crab leg clamping area (11) is positioned at two sides of the upper crab body clamping area (12), the upper crab leg clamping area (11) protrudes outwards, a first transverse guide rod group (111) is arranged in the upper crab leg clamping area, the upper slide rod part (31) is in sliding connection with the upper crab leg clamping area (11) through the first transverse guide rod group (111), a longitudinal guide rod (121) is arranged in the upper crab body clamping area (12), and the crab body clamping block (4) is in sliding connection with the upper crab body clamping area (12) through the longitudinal guide rod (121);

the lower chuck (2) comprises a lower crab leg clamping area (21) and a lower crab body clamping area (22), the lower crab leg clamping area (21) and the lower crab body clamping area (22) are respectively and correspondingly arranged on the upper crab leg clamping area (11) and the upper crab body clamping area (12), a second transverse guide rod group (211) is arranged in the lower crab leg clamping area (21), the lower sliding rod part (32) is in sliding connection with the lower crab leg clamping area (21) through the second transverse guide rod group (211), the lower crab body clamping area (22) is provided with a grid support rod (221), crab body pre-positioning rods (222) are arranged on two sides of the lower crab body clamping area (22), a push rod (23) is arranged at the front end of the lower chuck (2), and a rubber mat (231) is arranged at the top of the push rod (23);

crab body clamp splice (4) quantity is two, and the symmetry sets up on longitudinal guide rod (121), every crab body clamp splice (4) include, slider (41) in middle part and pull rod (42) of slider (41) both sides, and the department in opposite directions of slider (41) of two crab body clamp splices (4) is provided with couple (43), is provided with stranded rope or rubber band (5) between two couples, pull rod (42) tip is provided with guide block (44), there is guiding hole (441) in guide block (44), be provided with on slider (41) and be used for connecting slide opening (411) of longitudinal guide rod (121), slider (41) are provided with crab body locating lever (412) towards the anchor clamps inboard.

2. The crab clamp according to claim 1, wherein the slider (41) is provided with a rotating hook (45).

3. The crab clamp according to claim 2, wherein the torsion spring part (33) is arranged at the root of the upper slide rod part (31) and the lower slide rod part (32), and the tops of the upper slide rod part (31) and the lower slide rod part (32) are respectively provided with crab clamp bending sections (301) for clamping crab clamps.

4. The crab clamp according to claim 3, wherein the retaining ring (34) of the upper slide rod portion (31) is further provided with a guide ring (35), and the guide ring (35) is connected with the crab body clamp block (4) through the guide hole (441).

5. The crab clamp according to claim 4, wherein the guide rings (35) are isosceles triangles.