CN206393520U - Using ratchet spanner of the latch as wedging element - Google Patents

Abstract

The utility model discloses a kind of ratchet spanner of use latch as wedging element, including：Handle with end, the end is provided with cavity；The wheel in handle cavity is rotatably installed in, the wheel includes：It is adapted to engage with the socket of nut or other appropriate members；The recess limited around the periphery of wheel, recess at least includes one section of slope to the extension of wheel periphery；One latch is arranged between the inwall of the recess of wheel and the cavity, and when latch is limited between the recess of wheel and the inner circle of cavity, the circumference of latch is contacted with the inner circle of the slope of recess and cavity.By rotating handle, slope of the latch along wheel is stuck between the inner circle of handle cavity and the slope of wheel, and frictional force becomes big, so that wheel is rotated together with handle, the utility model does not use elastic component to realize that single file rotates, reasonable in design, and processing and assembling are easy.Driving force is converted to by then passing through frictional force, during rotation, the very big sound will not be sent.

Description

Using ratchet spanner of the latch as wedging element

Technical field

The utility model is related to spanner field, relates in particular to a kind of use latch as the ratchet wrench of wedging element Hand.

Background technology

Spanner is a kind of conventional installation and extracting tool.Bolt, screw, nut and other spiral shells are twisted using lever principle Line tightly holds the opening or the hand tools of trepanning firmware of bolt or nut.Particularly ratchet spanner can easily adjust spanner and make With angle, for the elastic operation of screw, with strong applicability, the characteristics of easy to use.

Ratchet spanner typically all blocks the direction of rotation of ratchet spanner side using elastic component, so that playing single direction rotation has Effect.But, elastic component has fatigue strength, and long-term use can make elastic component fail, and cause ratchet spanner can not normal work.And The ratchet spanner processing and assembly technology worked by elastic component is cumbersome, and product cost is not also low.

In addition, Chinese Patent Application No. discloses a kind of ratchet spanner for 91226650, it is characterized in：Ratchet spanner commutation is adopted Commutated with driving lever, sleeve exchanging is that button-pressing way is completed, the ratchet spanner is main by handle jacket, stop collar, driving lever, ratchet, The parts such as ratchet side's tenon axle are constituted.Handle jacket is gently rotated, stop collar and driving lever is driven, driving lever rotates spine bar, the same ratchet of ratchet Engagement, commutation is completed.The replacing of sleeve is pressed by button, in the steel ball side of being retracted into tenon axial trough, and replacing finishes relieving button.But, This ratchet spanner, when in use, can send the sound of click, click.

Utility model content

For the problems of the prior art, the purpose of this utility model is to provide a kind of first as wedging using latch The ratchet spanner of part, it does not use elastic component to realize that single file rotates, and processing and assembling are easy, will not occur the obvious sound, use Long lifespan, to overcome the defect of above-mentioned prior art, is improved using safety.

To achieve these goals, the technical solution of the utility model is as follows：

Using ratchet spanner of the latch as wedging element, it is characterised in that including：

Handle with end, the end is provided with cavity；

The wheel in handle cavity is rotatably installed in, the wheel includes：It is adapted to engage with nut or other appropriate members Socket；The recess limited around the periphery of wheel, recess at least includes one section of slope to the extension of wheel periphery；

The latch between the inwall of the recess of wheel and the cavity is arranged at, wherein, when latch is limited at wheel When between the inner circle of recess and the cavity, the circumference of the latch connects with the slope of recess and the inner circle of cavity simultaneously Touch.

It is preferred that, recess is surround by the slope on side and facade on another side.

It is preferred that, the cavity includes the integrally formed flange to surround the cavity side.

It is preferred that, the end face of the cavity is connected with end cap by step.

It is preferred that, the slope is slope concave surface.

It is preferred that, the wheel includes being respectively arranged with the latch in the recess of several circumference setting, each recess.

It is preferred that, the socket is regular polygon.

It is preferred that, take turns as rigid body.

The utility model provides a kind of use latch as the ratchet spanner of wedging element, by rotating handle, stop Slope of the pin along wheel is stuck between the inner circle of handle cavity and the slope of wheel, and frictional force becomes big so that wheel is with handle Rotate together, the utility model does not use elastic component to realize that single file rotates, reasonable in design, processing and assembling are easy.It is this Structure is converted to driving force by then passing through frictional force, during rotation, will not send the very big sound.

The characteristics of the utility model, see the detailed description of this case schema and following preferable embodiment and obtain clear Ground understands.

Brief description of the drawings

Fig. 1 is overall schematic of the present utility model.

Fig. 2 is the schematic diagram of handle.

Fig. 3 is this practical operation principle schematic diagram.

Fig. 4 is the schematic perspective view of wheel.

Fig. 5 is the front schematic view of wheel.

Fig. 6 is the close-up schematic view of wheel.

Fig. 7 is working state schematic representation of the present utility model.

Reference：

Wheel -200；Socket -210；Recess -220；Slope -221；Facade -222；Teat -230；Latch -400；Hand The inner circle -502 of handle -500, cavity；Flange -504；Cavity -510.

Embodiment

In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under The utility model is expanded on further in face in conjunction with specific embodiments.

Referring to Fig. 1-3, a kind of ratchet spanner mainly includes handle 500, wheel 200 and latch 400.

Wherein, the one end of handle 500 is provided with cavity 510.In this example, the side of cavity 510 is integrally formed There are wall or flange 504, the side to surround cavity.Meanwhile, the opposite side of cavity 510 is provided with removedly end cap (in figure Do not indicate), end cap is connected by the step in cavity with cavity 510, wheel 200 and latch 400 are maintained at into cavity 510 It is interior.It will be understood by those skilled in the art that flange 504 and end cap respectively can integrally or separately shapes as needed Into, and can be installed to via any suitable mechanism on handle 500, such as including fastener, adhesive, solder.

Wheel 200 is rigid body, and wheel 200 is rotatably installed in the cavity 510 of handle, and wheel includes being limited to center and fitting In the socket 210 of draw bolt, nut, fastener or other similar parts；In the present embodiment, exemplary socket 210 It is defined to regular polygon, such as hexagon.

Referring to Fig. 4-6, the recess 220 limited around the periphery of wheel 200, it (can be that other are more that recess 220, which has 10, It is individual), and circumference laying.Recess 220 from slope 221 from side to the extension of wheel periphery and facade on another side 222 surround.Substantially one vertical plane of facade 222.In order to reach preferable rounding off effect, slope 221 is depression arc Spend less slope concave surface.Teat 230 is defined between adjacent recesses 220.

A structure identical latch 400 is respectively arranged with each recess 220.Latch 400 is cylindrical latch. Wherein, when latch 400 is limited between the recess 220 of wheel and the inner circle 502 of cavity, the circumference of latch 400 is simultaneously Contacted with the slope 221 of recess and the inner circle 502 of cavity.

Operation principle of the present utility model：

Referring to Fig. 3, now, wheel 200 be free to rotate counterclockwise relative to cavity 510, rotate clockwise handle 500 When, latch 400 is moved along slope 221 to the big position of size, as shown in fig. 7, latch 400, wheel 200, handle 500 Between it is relative slide, wheel 200 is not rotated clockwise with handle 500.Referring again to Fig. 3, when rotating counterclockwise handle 500, stop Pin 400 is moved along slope 221 to the position of wheel periphery, in this direction, inner circle 502 and the slope 221 of cavity 510 The distance between be gradually reduced, due to limited by size, the frictional force suffered by latch 400 (includes the inner circle of cavity The frictional force of the frictional force of 502 pairs of latch 400, slope 221 to latch 400) become larger, latch 400 is to slope The reaction force that face 221 applies also becomes larger so that wheel 200 is with handle 500 together rotate counterclockwise.

General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply principle of the present utility model, the utility model also has respectively on the premise of the utility model spirit and scope are not departed from Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed the utility model.The utility model requirement Protection domain defined by appended claims and its equivalent.

Claims (8)

1. using ratchet spanner of the latch as wedging element, it is characterised in that including：

Handle with end, the end is provided with cavity；

The wheel in handle cavity is rotatably installed in, the wheel includes：It is adapted to engage with the socket of nut or other appropriate members； The recess limited around the periphery of wheel, recess at least includes one section of slope to the extension of wheel periphery；

The latch between the inner circle of the recess of wheel and the cavity is arranged at, wherein, when latch is limited at the recess of wheel When between the inwall of the cavity, the circumference of the latch is contacted with the slope of recess and the inner circle of cavity simultaneously.

2. use latch according to claim 1 is used as the ratchet spanner of wedging element, it is characterised in that recess by The slope on side and facade on another side are surround.

3. use latch according to claim 1 is used as the ratchet spanner of wedging element, it is characterised in that the cavity Including the integrally formed flange to surround the cavity side.

4. use latch according to claim 1 is used as the ratchet spanner of wedging element, it is characterised in that the cavity End face end cap is connected with by step.

5. use latch according to claim 1 is used as the ratchet spanner of wedging element, it is characterised in that the slope Face is slope concave surface.

6. use latch according to claim 1 is used as the ratchet spanner of wedging element, it is characterised in that if wheel includes The latch is respectively arranged with the recess that dry circumference is set, each recess.

7. use latch according to claim 1 is used as the ratchet spanner of wedging element, it is characterised in that the socket For regular polygon.

8. use latch according to claim 1 is used as the ratchet spanner of wedging element, it is characterised in that take turns as rigidity Body.