CN201394793Y

CN201394793Y - Clamp

Info

Publication number: CN201394793Y
Application number: CN2009200699434U
Authority: CN
Inventors: 温昊
Original assignee: Shanghai Kunjie Hardware Tool Co Ltd
Current assignee: Shanghai Kunjie Hardware Tool Co Ltd
Priority date: 2009-04-03
Filing date: 2009-04-03
Publication date: 2010-02-03
Anticipated expiration: 2019-04-03

Abstract

The utility model provides a clamp which comprises a fixed clamp body, a movable clamp body, a handle, ratchet control mechanisms and a spring steel ball positioning mechanism. The movable clamp bodyand the handle can be connected in a rotating manner to form another clamp body structure which is corresponding to and connected with the fixed clamp body in a rotating manner; the ratchet control mechanisms are connected among the fixed clamp body, the movable clamp body and the handle; the spring steel ball positioning mechanism is arranged between the movable clamp body and the handle, jaws are formed at the front ends of the fixed clamp body and the movable clamp body, and clamping plates which can carry out large-angle rotation are respectively arranged at the positions of the jaws. Compared with the common clamp, the clamp in the utility model is more labor-saving.

Description

A kind of clamp

Technical field

The utility model relates to a kind of clamping device, relates in particular to a kind of clamp.

Background technology

Clamp generally is used for holding workpiece, is engaged in its operation of the enterprising Xingqi of workpiece.Common clamps comprises spring clip, ratchet folder, but all has not enough labour-saving problem.

The utility model content

The purpose of this utility model is to provide a kind of more labour-saving clamp.

The purpose of this utility model is achieved in that a kind of clamp, comprise fixed caliper, moving caliper, handle, ratchet controlling organization and spring steel ball detent mechanism, moving caliper also links to each other with fixed caliper is rotatable with another corresponding caliper structure of fixed caliper with the rotatable formation that links to each other of handle, the ratchet controlling organization is connected fixed caliper, between moving caliper and the handle three, the spring steel ball detent mechanism is arranged between moving caliper and the handle, the front end of fixed caliper and moving caliper forms jaw, and respectively is provided with the clamping plate that can do the wide-angle rotation at its oral area.

Described fixed caliper comprises biside plate, anterior fixed block and rear portion fixed block, biside plate is fixedly linked with the both sides of anterior fixed block and rear portion fixed block respectively and forms a groove at the middle part, described moving caliper passes this groove with handle and realizes linking to each other with the rotatable of fixed caliper, correspondence is provided with arcuate socket on the biside plate at this groove rear portion, and the arcwall face of this arcuate socket rear side is a toothed surface.

Described moving caliper is a class U-shaped structural member, the perpendicular piece in its rear portion is sequentially with three through holes from top to bottom, the top through hole is used for linking to each other by connecting axle and fixed caliper are rotatable, lower through-hole is used for linking to each other by minor axis and handle are rotatable, and intermediate throughholes is the spring eye that is used to be provided with the spring steel ball detent mechanism.

Described handle comprises two dihedral side plates and two top fixed blocks, and the top horizontal edge of two dihedral side plates is fixedly linked with the both sides of two top fixed blocks respectively, forms cavity between the bottom vertical edge of two dihedral side plates; Correspondence is provided with mounting hole at the bottom of two dihedral side plates vertical edge middle part, two through hole before and after vertical edge bottom, the bottom of two dihedral side plates correspondence is provided with; Before through hole be used for linking to each other by minor axis and moving caliper are rotatable; The perpendicular piece in the rear portion of described moving caliper inserts to be realized in the above-mentioned cavity linking to each other with the rotatable of fixed caliper, and connecting axle passes through from the mounting hole of two dihedral side plates of handle.

Described ratchet controlling organization comprises ratchet lock dog, driving lever and return spring, the ratchet lock dog links to each other with driving lever is rotatable, the two ends of ratchet lock dog are inserted respectively in the arcuate socket of fixed caliper both sides and with the toothed surface of its inwall is engageable and are linked to each other, the front end of driving lever links to each other with the back through hole of handle bottom is rotatable, the rear end of return spring is connected on the driving lever, and front end is connected moving caliper and turns on the minor axis that links to each other with handle.

Described spring steel ball detent mechanism comprises spring and two steel balls, and spring is arranged in the spring eye of moving caliper, and two steel balls are separately positioned on the two ends of spring; The vertical edge inboard, bottom of two dihedral side plates of described handle is respectively equipped with groove, and the outside of two steel balls is nested in respectively in two grooves.

The front portion of described driving lever is provided with the elongated slot to open front, and the rear end of described return spring is connected the bottom land of this elongated slot.

Described ratchet lock dog be used for fixed caliper both sides arcuate socket in the engageable joint face that links to each other of toothed surface be convex globoidal, this convex globoidal is the ratchet-gear wheel structure adaptive with above-mentioned toothed surface.

Clamp of the present utility model is more laborsaving than common clamps.

Description of drawings

Fig. 1 is the perspective view of the utility model clamp;

Fig. 2 is the decomposition texture schematic diagram of the utility model clamp;

Fig. 3 is the sectional structure schematic diagram of the utility model clamp open configuration;

Fig. 4 is the sectional structure schematic diagram of the utility model clamp clamped condition;

Fig. 5 is the laborsaving principle schematic of the utility model clamp.

The specific embodiment

Referring to Fig. 1, cooperation is referring to Fig. 2, Fig. 3, Fig. 4, clamp of the present utility model, comprise fixed caliper 1, moving caliper 2, handle 3, ratchet controlling organization 4 and spring steel ball detent mechanism 5, moving caliper 2 also turns with fixed caliper 1 with another corresponding caliper structure of fixed caliper with the handle 3 rotatable formation that link to each other and links to each other, ratchet controlling organization 4 is connected fixed caliper, between moving caliper and the handle three, spring steel ball detent mechanism 5 is arranged between moving caliper and the handle, the front end of fixed caliper 1 and moving caliper 2 forms jaw, and respectively is provided with the clamping plate 6 that can do the wide-angle rotation at its oral area, 7.

Cooperation is referring to Fig. 2, fixed caliper 1 in the utility model comprises

biside plate

11,12, anterior fixed block 13 and rear portion fixed block 14, biside plate is fixedly linked with the both sides of anterior fixed block and rear portion fixed block respectively and forms a groove 15 (cooperating referring to Fig. 3, Fig. 4) at the middle part, moving caliper 2 passes this groove with handle 3 and realizes linking to each other with the rotatable of fixed caliper, correspondence is provided with arcuate socket 111,121 on the

biside plate

11,12 at this groove rear portion, and the arcwall face of this arcuate socket rear side is a toothed surface.

Cooperation is referring to Fig. 2, moving caliper 2 in the utility model is a class U-shaped structural member, the perpendicular piece in its rear portion is sequentially with three through

holes

21,22,23 from top to bottom, top through hole 21 was used for by connecting axle 8 and 1 rotatable linking to each other of fixed caliper, lower through-hole 23 was used for by minor axis 9 and 3 rotatable linking to each other of handle, and intermediate throughholes 22 is for being used to be provided with the spring eye of spring steel ball detent mechanism 5.

Cooperation is referring to Fig. 2, handle 3 in the utility model comprises 31,32 and two top

fixed blocks

33,34 of two dihedral side plates, the top horizontal edge of two dihedral side plates is fixedly linked with the both sides of two top fixed blocks respectively, forms cavity 35 (cooperating referring to Fig. 3, Fig. 4) between the bottom vertical edge of two dihedral side plates.Correspondence is provided with mounting hole 311,321 at the bottom of two dihedral side plates vertical edge middle part, two through hole 312,313,322,323 before and after vertical edge bottom, the bottom of two dihedral side plates correspondence is provided with; Preceding through hole 312,322 was used for by minor axis 9 and 1 rotatable linking to each other of moving caliper; The perpendicular piece in the rear portion of moving caliper 2 inserts to be realized in the above-mentioned cavity 35 linking to each other with the rotatable of fixed caliper 1, and connecting axle 8 passes through (cooperating referring to Fig. 5) from the mounting hole of two dihedral side plates of handle.

Cooperation is referring to Fig. 2, ratchet controlling organization 4 in the utility model comprises ratchet lock dog 41, driving lever 42 and return spring 43,

ratchet lock dog

41 and 42 rotatable linking to each other of driving lever, the two ends of ratchet lock dog 41 are inserted respectively in the arcuate socket 111,121 of fixed caliper both sides and with the toothed surface of its inwall is engageable and are linked to each other, and the front end of driving lever 42 turns with the back through hole 313,323 of handle bottom and links to each other.Ratchet lock dog 41 be used for fixed caliper both sides arcuate socket in the engageable joint face that links to each other of toothed surface be convex globoidal, this convex globoidal is the ratchet-gear wheel structure adaptive with above-mentioned toothed surface.The front portion of driving lever 42 is provided with the elongated slot to open front, and the rear end of return spring 43 is connected the bottom land of this elongated slot.The front end of return spring 43 is connected moving caliper 2 and turns on the minor axises 9 that link to each other with handle 3.

Cooperation is referring to Fig. 2, and the spring steel ball detent mechanism 5 in the utility model comprises spring 51 and two steel balls 52, and spring 51 is arranged in the spring eye 22 of moving caliper, and two steel balls 52 are separately positioned on the two ends of spring; Vertical edge inboard, bottom at two

dihedral side plates

31,32 of handle 3 is respectively equipped with groove (seeing 314 on the side plate 31), and the outside of two steel balls 52 is nested in respectively in two grooves.

The laborsaving principle of the utility model clamp as shown in Figure 5.When handle 3 being applied a downward pressure (its stress point is at the be rotatably connected some a place of driving lever 42 with handle 3), will produce a very big thrust forward with minor axis 9 places that are connected of moving caliper 2 at handle, moving caliper 2 is clockwise rotated, close up thereby can drive jaw with less power.Along with closing up of jaw, return spring 43 can drive ratchet lock dog 41 and driving lever 42 moves down together.When needs are opened jaw, need only upwards stir driving lever 42, then under the pulling force effect of return spring 43, moving caliper 2 rotates counterclockwise, thereby jaw is opened.

Claims

1, a kind of clamp, it is characterized in that: comprise fixed caliper, moving caliper, handle, ratchet controlling organization and spring steel ball detent mechanism, moving caliper also links to each other with fixed caliper is rotatable with another corresponding caliper structure of fixed caliper with the rotatable formation that links to each other of handle, the ratchet controlling organization is connected between fixed caliper, moving caliper and the handle three, the spring steel ball detent mechanism is arranged between moving caliper and the handle, the front end of fixed caliper and moving caliper forms jaw, and respectively is provided with the clamping plate that can do the wide-angle rotation at its oral area.

2, clamp as claimed in claim 1, it is characterized in that: described fixed caliper comprises biside plate, anterior fixed block and rear portion fixed block, biside plate is fixedly linked with the both sides of anterior fixed block and rear portion fixed block respectively and forms a groove at the middle part, described moving caliper passes this groove with handle and realizes linking to each other with the rotatable of fixed caliper, correspondence is provided with arcuate socket on the biside plate at this groove rear portion, and the arcwall face of this arcuate socket rear side is a toothed surface.

3, clamp as claimed in claim 1, it is characterized in that: described moving caliper is a class U-shaped structural member, the perpendicular piece in its rear portion is sequentially with three through holes from top to bottom, the top through hole is used for linking to each other by connecting axle and fixed caliper are rotatable, lower through-hole is used for linking to each other by minor axis and handle are rotatable, and intermediate throughholes is the spring eye that is used to be provided with the spring steel ball detent mechanism.

4, clamp as claimed in claim 1, it is characterized in that: described handle comprises two dihedral side plates and two top fixed blocks, the top horizontal edge of two dihedral side plates is fixedly linked with the both sides of two top fixed blocks respectively, forms cavity between the bottom vertical edge of two dihedral side plates; Correspondence is provided with mounting hole at the bottom of two dihedral side plates vertical edge middle part, two through hole before and after vertical edge bottom, the bottom of two dihedral side plates correspondence is provided with; Before through hole be used for linking to each other by minor axis and moving caliper are rotatable; The perpendicular piece in the rear portion of described moving caliper inserts to be realized in the above-mentioned cavity linking to each other with the rotatable of fixed caliper, and connecting axle passes through from the mounting hole of two dihedral side plates of handle.

5, clamp as claimed in claim 1, it is characterized in that: described ratchet controlling organization comprises ratchet lock dog, driving lever and return spring, the ratchet lock dog links to each other with driving lever is rotatable, the two ends of ratchet lock dog are inserted respectively in the arcuate socket of fixed caliper both sides and with the toothed surface of its inwall is engageable and are linked to each other, the front end of driving lever links to each other with the back through hole of handle bottom is rotatable, the rear end of return spring is connected on the driving lever, and front end is connected moving caliper and turns on the minor axis that links to each other with handle.

6, clamp as claimed in claim 1 is characterized in that: described spring steel ball detent mechanism comprises spring and two steel balls, and spring is arranged in the spring eye of moving caliper, and two steel balls are separately positioned on the two ends of spring; The vertical edge inboard, bottom of two dihedral side plates of described handle is respectively equipped with groove, and the outside of two steel balls is nested in respectively in two grooves.

7, clamp as claimed in claim 5 is characterized in that: the front portion of described driving lever is provided with the elongated slot to open front, and the rear end of described return spring is connected the bottom land of this elongated slot.

8, clamp as claimed in claim 5 is characterized in that: described ratchet lock dog be used for fixed caliper both sides arcuate socket in the engageable joint face that links to each other of toothed surface be convex globoidal, this convex globoidal is the ratchet-gear wheel structure adaptive with above-mentioned toothed surface.