CN208034538U - A kind of ratchet spanner - Google Patents

Abstract

The utility model discloses a kind of ratchet spanneres of spanner machine tool technical field,Including fixed ring,The outer wall of the fixed ring is uniformly equipped with the identical handle of four groups of structures,Movable sleeve is connected to C-shaped ring on handle described in four groups,The inner wall of the C-shaped ring uniformly installs six groups of loop bars,Side of the loop bar far from C-shaped ring is plugged with mobile bar,Side of the mobile bar far from loop bar extends to the inside of fixed ring and installs fixed block,The mobile bar is equipped with spring,Side of the fixed block far from mobile bar is installed by tooth processed,Side of the tooth processed far from fixed block is installed by ratchet ontology,The device is by turning fixing piece,Fixing piece is set to connect head movement in taper,To make C-shaped ring shrink,Mobile bar is set to be moved in loop bar,Spring compresses,To enable tooth processed to carry out clamping to ratchet ontology,It is convenient for changing the ratchet ontology of different size,For different nuts,Spanner need not frequently be replaced,Improve working efficiency.

Description

A kind of ratchet spanner

Technical field

The utility model is related to spanner machine tool technical field, specially a kind of ratchet spanner.

Background technology

On the market be make repair disassemble efficiency improve, it is common have be used as basic dismantling using hand-held tools such as ratchet spanneres The tool of object, and the most important part of ratchet spanner is not from being exactly to be matched with fixed with internal ratchet and tooth processed its inlay card It closes, to reach the effect of ratchet spanner uses, so embedding only structure and the structure of tooth processed are the ratchet wrench inside ratchet spanner One of the emphasis of hand structure quality, that is, its one-way or bi-directional inside of ratchet spanner have all needed spine and tooth processed, anyway shape Shape designs the important document that can not all arrange, however tooth processed is one of epochmaking important document of ratchet spanner, meanwhile, staff is using All it is rule of thumb or the size of nut, to be dismantled with ratchet spanners when ratchet installs or removes nut, continuous replace is pulled Hand makes staff feel to be inconvenient, and is brought to work usually cumbersome, reduces working efficiency, therefore, it is proposed that A kind of ratchet spanner.

Invention content

The purpose of this utility model is to provide a kind of ratchet spanneres, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions：A kind of ratchet spanner, including fixed ring, institute The outer wall for stating fixed ring is uniformly equipped with the identical handle of four groups of structures, and movable sleeve is connected to C-shaped ring on handle described in four groups, described The opening of C-shaped ring is equipped with taper joint, and fixing piece is provided in the taper joint, and the inner wall of the C-shaped ring is uniformly pacified Six groups of loop bars are filled, side of the loop bar far from C-shaped ring is plugged with mobile bar, and side of the mobile bar far from loop bar extends To the inside of fixed ring and fixed block is installed, the mobile bar is equipped with spring, and one end of the spring is connect with loop bar, and bullet The other end of spring is connect with fixed ring, and tooth processed is installed in side of the fixed block far from mobile bar, and tooth processed is far from fixed block Side is equipped with external tooth, and ratchet ontology is installed in side of the tooth processed far from fixed block.

Preferably, the outer wall of the ratchet ontology is equipped with the ratchet being meshed with external tooth, and the inner wall of the ratchet ontology is opened Equipped with braking hole slot

Preferably, the outer wall of the taper joint is equipped with plus thread, is offered and taper joint phase on the fixing piece The through-hole matched, and the inner wall of through-hole is equipped with the left-hand thread to match with plus thread.

Preferably, side of the taper joint far from C-shaped ring is equipped with limited block.

Preferably, the outer wall of the handle installs rubber sleeve, and the outer wall of rubber sleeve is equipped with S type anti-skid chequers.

Preferably, the fixed ring is an integral molding structure with handle, and the surface of fixed ring and handle is coated with zinc coat.

Compared with prior art, the utility model has the beneficial effects that：The apparatus structure is simple, easy to use, by twisting Dynamic fixing piece makes fixing piece connect head movement in taper, to make C-shaped ring shrink, mobile bar is made to be moved in loop bar, spring bullet Property compression be convenient for changing the ratchet ontology of different size to enable tooth processed to carry out clamping to ratchet ontology, for different Nut need not frequently replace spanner, improve working efficiency.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model toothing schematic diagram；

Fig. 3 is the utility model ratchet body construction schematic diagram.

In figure：1 fixed ring, 2 handles, 3 C-shaped rings, 4 loop bars, 5 mobile bars, 6 fixed blocks, 7 springs, 8 teeth processed, 81 external tooths, 9 Ratchet ontology, 91 ratchets, 92 braking hole slots, 10 taper joints, 11 fixing pieces.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of ratchet spanner, including fixed ring 1, it is fixed The outer wall of ring 1 is uniformly equipped with the identical handle 2 of four groups of structures, and movable sleeve is connected to C-shaped ring 3 on four groups of handles 2, and C-shaped ring 3 is opened Taper joint 10 is installed at mouthful, fixing piece 11 is provided in taper joint 10, the inner wall of C-shaped ring 3 uniformly installs six groups of loop bars 4, side of the loop bar 4 far from C-shaped ring 3 is plugged with mobile bar 5, and side of the mobile bar 5 far from loop bar 4 extends to fixed ring 1 Fixed block 6 is simultaneously installed in inside, and mobile bar 5 is equipped with spring 7, and one end of spring 7 connect with loop bar 4, and the other end of spring 7 and Fixed ring 1 connects, and tooth 8 processed is installed in side of the fixed block 6 far from mobile bar 5, and side of the tooth processed 8 far from fixed block 6 is equipped with outer Tooth 81, side installation ratchet ontology 9 of the tooth 8 processed far from fixed block 6.

Wherein, the outer wall of ratchet ontology 9 is equipped with the ratchet 91 being meshed with external tooth 81, and the inner wall of ratchet ontology 9 offers Hole slot 92 is braked, is conducive to nut being placed in braking hole slot 92, clamping is carried out to nut, facilitates installation；

The outer wall of taper joint 10 is equipped with plus thread, and the through-hole to match with taper joint 10 is offered on fixing piece 11, And the inner wall of through-hole is equipped with the left-hand thread to match with plus thread, is conducive to turn fixing piece 11, fixing piece 11 is made to be connect in taper First 10 movement, to make C-shaped ring 3 shrink；

Side of the taper joint 10 far from C-shaped ring 3 is equipped with limited block, prevents fixing piece 11 from falling；

The outer wall of handle 2 installs rubber sleeve, and the outer wall of rubber sleeve is equipped with S type anti-skid chequers, increases handle 2 and palm Frictional force prevents rubber sleeve；

Fixed ring 1 is an integral molding structure with handle 2, is conducive to improve stability, and the surface of fixed ring 1 and handle 2 It is coated with zinc coat, prevents from getting rusty.

Operation principle：In use, according to the size of nut, different ratchet ontologies 9 is replaced, ratchet ontology 9 is placed on In fixed ring 1, by tightening fixing piece 11, so that fixing piece 11 is moved in taper joint 10, to make C-shaped ring 3 shrink, make shifting Lever 5 moves in loop bar 4,7 elastic compression of spring, and to enable tooth 8 processed to carry out clamping to ratchet ontology 9, nut is put It sets in ratchet ontology 9, facilitates installation；

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of ratchet spanner, including fixed ring（1）, it is characterised in that：The fixed ring（1）Outer wall be uniformly equipped with four groups The identical handle of structure（2）, handle described in four groups（2）Upper movable sleeve is connected to C-shaped ring（3）, the C-shaped ring（3）Opening peace Equipped with taper joint（10）, the taper joint（10）On be provided with fixing piece（11）, the C-shaped ring（3）Inner wall uniformly pacify Fill six groups of loop bars（4）, the loop bar（4）Far from C-shaped ring（3）Side be plugged with mobile bar（5）, the mobile bar（5）Far From loop bar（4）Side extend to fixed ring（1）Inside and fixed block is installed（6）, the mobile bar（5）It is equipped with spring （7）, the spring（7）One end and loop bar（4）Connection, and spring（7）The other end and fixed ring（1）Connection, the fixation Block（6）Far from mobile bar（5）Side tooth processed is installed（8）, and tooth processed（8）Far from fixed block（6）Side be equipped with external tooth（81）, The tooth processed（8）Far from fixed block（6）Side install ratchet ontology（9）.

2. a kind of ratchet spanner according to claim 1, it is characterised in that：The ratchet ontology（9）Outer wall be equipped with External tooth（81）The ratchet being meshed（91）, the ratchet ontology（9）Inner wall offer braking hole slot（92）.

3. a kind of ratchet spanner according to claim 1, it is characterised in that：The taper joint（10）Outer wall be equipped with just Screw thread, the fixing piece（11）On offer and taper joint（10）The through-hole to match, and the inner wall of through-hole is equipped with and positive spiral shell The left-hand thread that line matches.

4. a kind of ratchet spanner according to claim 1, it is characterised in that：The taper joint（10）Far from C-shaped ring（3） Side limited block is installed.

5. a kind of ratchet spanner according to claim 1, it is characterised in that：The handle（2）Outer wall rubber is installed Set, and the outer wall of rubber sleeve is equipped with S type anti-skid chequers.

6. a kind of ratchet spanner according to claim 1, it is characterised in that：The fixed ring（1）With handle（2）It is integrated Molding structure, and fixed ring（1）With handle（2）Surface be coated with zinc coat.