CN1054093C

CN1054093C - Ratchet type sleeve

Info

Publication number: CN1054093C
Application number: CN97102328A
Authority: CN
Inventors: 谢智庆
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-01-23
Filing date: 1997-01-23
Publication date: 2000-07-05
Anticipated expiration: 2017-01-23
Also published as: CN1188704A

Abstract

The invention relates to a ratchet type sleeve, a brake groove for embedding and pivoting a brake body is formed at the axle center of the upper half part of a sleeve body, two obliquely opposite placing holes are correspondingly penetrated through the wall thickness part of the sleeve body at the brake groove, a spring is arranged between two bead bodies in each placing hole, the peripheral surface of the brake body driven by a pull rod is relatively concavely provided with a series of spherical grooves, and the ball bodies in one placing hole can be directly pressed and embedded into the bead bodies in the other placing hole by matching with a restraining elastic sheet sleeved at the annular groove on the peripheral surface of the sleeve body, so that the novel ratchet type sleeve is formed.

Description

Ratchet sleeve

The present invention relates to a kind of ratchet sleeve, refer to the ratchet sleeve structure that a kind of back and forth rotary manipulation uses especially.

For allow hand-held tool can operate facility and use quick, the current ratchet structure that has had considerable hand-held tool to be provided with tool movement in one direction characteristic, for example: designs such as ratchet screw, ratchet spanner all are to use the use that is convenient to the consumer.Yet the ratchet structure that generally has the movement in one direction characteristic mostly is arranged on the spanner that rotates for user's handling, cooperates the sleeve of tool different size to be engaged in terminal operation with this spanner again.Yet the end that ratchet structure can make spanner that ratchet structure is set is set on spanner has bigger volume, fastening or loose when moving back operation when cooperating sleeve in some narrower and small operating spaces, to carry out, may make rotary manipulation inconvenience because of formed larger volume on the spanner.At this moment, if can there be the sleeve of ratchet-type to cooperate utilization, believe and to improve many operational inconvenience with the spanner that ratchet structure generally is not set.

For improving the defective of above-mentioned existing ratchet-type hand-held tool, main purpose of the present invention is: a kind of ratchet sleeve is provided, and it can reach reciprocal rotary manipulation, and avoids spanner because of the effect that ratchet structure forms the rotation inconvenience that large volume produced is set.

For reaching above-mentioned projects, the invention provides a kind of ratchet sleeve, it restrains shell fragment by a sleeve body, at least and a stopper body is formed, and the Lower Half of sleeve body is concaved with the nested nested groove of confession clamp structure; Wherein: the place forms a brake groove in sleeve body first half axle center, and with specific interval provide at half thick place that faces the wall and meditates of the sleeve body at brake groove place two mutually non-parallel and non-radially put the hole, and be provided with a spring respectively putting inside, hole, held a pearl body respectively at both ends of the spring; Contained shell fragment is a C shape elastic strip body, is provided with two bandy arc protuberances to be not equal to two spacings of putting hole outer openings distance, but and form the groove that bead supporting body embeds at each arc protuberance inner face; The stopper body is one just can be inserted in the cylindrical body of brake groove, and its outer peripheral face correspondence is put the hole middle section position and is arranged with a circle ball recess at interval.

In described ratchet sleeve, be arranged with a circle for restraining the nested ring groove of shell fragment at the outer peripheral face of the relative brake groove middle section position of sleeve body.

In described ratchet sleeve, two on the sleeve body put the hole extend crossing angle be approximately 150 the degree.

In described ratchet sleeve, the spacing of two arc protuberances of restraining shell fragment is greater than two distances of putting the hole outer openings.

In described ratchet sleeve, restrain shell fragment and put the arc protuberance that a tool groove is set between the hole relative two.

In described ratchet sleeve, differ to wear in sleeve body and radially be inserted with two on another demifacet of putting the hole and locate the bayonet lock of restraining shell fragment at a distance of special angle and being used for.

In described ratchet sleeve, put the tank that the inboard, hole is respectively equipped with the relative arc edge of tool in two of sleeve body, a side forms ratchet hub setting that pivot portion and inner face have a flank of tooth wherein, and stopper body side face then is formed with the bar flank of tooth that matches.

In described ratchet sleeve, form guide lug at the inboard nearly pivot portion of ratchet place.

In described ratchet sleeve, the stopper body directly is articulated on the tommy bar.

Implement after the above-mentioned technical conceive, the present invention can have the following advantage, such as:

1. can utilize and adjust the position of restraining shell fragment, allow contained shell fragment directly compress one and put the pearl body in the outside, hole, and embed for another pearl body of putting the hole with corresponding arc protuberance simultaneously, cooperate two to put the oblique design in hole and the ball recess of stopper body, the blocking direction of effectively selected sleeve body and stopper body, allow sleeve itself possess the function of ratchet one-way action, allow ratchet sleeve and general spanner be used, so that the plug in bar of pulling that the operator utilizes tommy bar is when driving the stopper body, can reach the effect of reciprocal rotary manipulation, and avoid spanner to form the rotation inconvenience that large volume produced because of ratchet structure is set.

2. be positioned at sleeve body and put the pearl body of inboard, hole, also can be substituted with the ratchet of the flank of tooth, still can give play to effect of the present invention by a kind of with the relative interlock of the stopper body bar flank of tooth.

Further specify architectural feature of the present invention and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a three-dimensional exploded view of the present invention.

Fig. 2 is the detailed three-dimensional exploded view of each member of the present invention.

Fig. 3 is a horizontal sectional drawing of the present invention.

Fig. 4 is the profile of the present invention's one mode of operation.

Fig. 5 is the profile of another mode of operation of the present invention.

Fig. 6 is the three-dimensional exploded view of another embodiment of the present invention.

Fig. 7 is the profile of further embodiment of this invention.

Please referring to Fig. 1 and 2, by seeing among the figure, the present invention restrains shell fragment 20 by a sleeve body 10,, and a stopper body 30 that can be tommy bar 40 or bottle opener drive is formed jointly.

The external form profile of sleeve body 10 is similar to general fixed sleeve commonly used, and sleeve body 10 Lower Halves are arranged with and form hexagonal or nested groove 11 anistree or 12 jiaos, use for clamp structures such as nested nut, bolts.The place, first half axle center of sleeve body 10 then forms one and supplies stopper body 30 to set the cylindrical brake groove 12 that is pivoted, be concaved with a storage tank 18 in the form of a ring at brake groove 12 nearly upper edges, and be arranged with a circle for restraining the nested ring groove 15 of shell fragment 20 at relative sleeve body 10 outer peripheral faces of brake groove 12 middle section positions, simultaneously with appropriate intervals provide at the wall thickness place of sleeve body 10 1 demifacets of 12 of ring groove 15 and brake grooves two non-parallel and non-radially put

hole

13 and 14, shown in Fig. 2,3.Wherein, because two to put

hole

13 and 14 be to be non-radially to be arranged on the sleeve body 10, so the crosspoint that two put

hole

13 and 14 central axis after extending axially and the central point of sleeve body 10 be not on same position, and two put

hole

13 and 14 central axis extend axially reducible 150 degree that are of formed angle.And be provided with a

pearl body

132 and 142, one

springs

136 and 146 and another

pearl body

134 and 144 from inside to outside in regular turn respectively putting

hole

13 and 14 inside.In addition, wear two and put on another demifacets of

hole

13 and 14 and radially be equipped with two pin-and-holes 152 differing from the ring groove 15 of sleeve body 10, in two pin-and-holes 152, be inserted with a bayonet lock 26 respectively.

Restraining shell fragment 20 is a c-shaped elastic strip body, restrains to be formed with two on the shell fragment 20 at a distance of specific range and

bandy arc protuberance

21 and 22, then forms the

groove

23 and 24 that can bead supporting

body

134 and 144 enters at each

arc protuberance

21 and 22 inner faces.Wherein, the distance of restraining 20 liang of arc protuberances 21 of shell fragment and 22 is not equal to two and puts the arc length that sleeve body 10 outer rims are exposed in hole 13 and 14.Two

arc protuberances

21 and 22 spacing can be greater than two distances of putting

hole

13 and 14 outer openings, and less than the extended distance of 152 of two pin-and-holes.Can certainly be only put

hole

13 and 14 modes that single arc protuberance is set are implemented two, so can be so that contained shell fragment 20 is subjected to bayonet lock 26 location that plugged on two pin-and-holes 152 and can slide arbitrarily, and, make and restrain one of them groove 23 on the shell fragment 20 to put

hole

13 and 14 relative with of sleeve body 10 with 24 by the end of restraining shell fragment 20 of replacing of a bayonet lock 26 wherein.

Stopper body 30 is the cylinders that just can insert brake groove 12, the place is equipped with a square column type detent inserting groove 36 in stopper body 30 axle center, at the sheathed elastica bar 38 of the side face upper limb of stopper body 30 nearly apical margins, and be arranged with a circle at interval at stopper body 30 outer peripheral face middle section positions and cooperate the aforementioned serial ball recess 34 of putting hole 13 and 14.Stopper body 30 can cooperatively interact by detent inserting groove 36 and tommy bar 40.Wherein, U-shaped pivot groove 42 is set, cooperates wearing of steady pin 44, make square column type insert to pull bar 46 to be articulated in the pivot groove 42 of tommy bar 40 with the pivot piece 48 at top at microscler shaft-like tommy bar 40 1 ends.And plugging in the bar 46 of pulling is provided with one and is held and the slightly outstanding protruding spheroid 462 of plugging in bar 46 surfaces of pulling by spring.When plug in bar 46 intercalations of pulling of tommy bar 40 are gone in the detent inserting groove 36, can in detent inserting groove 36, be arranged with one and can snap in wherein blocking groove for protruding spheroid 462, hold protruding spheroid 462 by spring, make to fasten mutually between blocking groove in protruding spheroid 462 and the detent inserting groove 36, to prevent that plugging in the bar 46 of pulling deviates from from detent inserting groove 36.So, tommy bar 40 can make stopper body 30 and tommy bar 40 affixed mutually via the detent inserting groove 36 of plugging in the bar 46 intercalation stopper bodies 30 of pulling, and stopper body 30 is rotated.

Stopper body 30 utilize detent inserting groove 36 and tommy bar 40 slotting pull bar 46 mutually the interfix embedding in conjunction with after, again stopper body 30 is set in the brake groove 12 that is positioned sleeve body 10.Allow elastica body 38 clips on the stopper body 30 go in the storage tank 18 in sleeve body 10 brake grooves 12 at the same time, stopper body 30 and sleeve body 10 can firmly be made up.To restrain shell fragment 20 sheathed ring groove 15 places that are positioned sleeve body 10 again, make contained shell fragment 20 can directly compress second and put the pearl body 144 in 14 outsides, hole, and embed for the first pearl body 134 of putting 13 outsides, hole with the groove on the first arc protuberance 21 23 simultaneously, form ratchet sleeve structure as shown in figs. 1 and 3.

So, when tommy bar 40 drive stopper bodies 30 rotate in a clockwise direction, please referring to shown in Figure 4, because contained shell fragment 20 directly compresses second and puts the pearl body 144 in 14 outsides, hole, and the length of spring 146 just can make inboard pearl body 142 embed in the ball recess 342 of stopper body 30 correspondences, cooperate the oblique design of putting hole 14, the tangent line strength that allows ball recess 342 bestow pearl body 142 surpasses the center of pearl body 142, put the inwall 140 in hole 14 and form blocking, reach effect and make pearl body 142 be pressed against second with stopper body 30 driven in synchronism sleeve body 10.When stopper body 30 rotates with counter clockwise direction, then because of putting the oblique design in hole 14, the circumferential force that allows ball recess 342 bestow pearl body 142 is promoted the periphery of pearl body 142, make pearl body 142 can take advantage of a situation compression spring 146 and be pushed and clamp-on second and put in the hole 14, simultaneously owing to the first pearl body 134 of putting 13 outsides, hole can enter in first groove 23 of restraining shell fragment 20, making inboard pearl body 132 can be placed in first puts in the hole 13 and can not snap in the ball recess 34 of stopper body 30, so just, can allow stopper body 30 pivot voluntarily to slide and can not drive sleeve body 10 and rotate, reach the effect of the unidirectional blocking of clockwise direction;

Brought forward is described, adjust the position of restraining shell fragment 20 as the operator, as shown in Figure 5, utilize bayonet lock 26 to replace the positioning action of restraining shell fragment 20 1 ends, make to restrain shell fragment 20 and directly compress first and put the pearl body 134 in 13 outsides, hole, and embed for the second pearl body 144 of putting 14 outsides, hole with the groove 24 of the second arc protuberance 22 simultaneously, just can be according to the principle of above stated specification, reach the effect of unidirectional blocking counterclockwise, form a kind of novel ratchet sleeve structure.

In addition, as shown in Figure 6, stopper body 30 tops can an integrally formed nahlock shape pivot piece 32, utilize wearing of steady pin 44, make stopper body 30 be articulated in the pivot groove 42 of tommy bar 40 by the pivot piece 32 at top, and the stopper body directly is hubbed on the tommy bar, thereby can provide the ratchet sleeve of another kind of structure by this.

Again please referring to shown in Figure 7, being located at the first and two pearl bodies of putting

hole

13 and 14 inboards also can be substituted by

ratchet

16 and 17, this embodiment is that the side that is pivoted respectively in first and two inboards of putting

hole

13 and 14 forms the

ratchet

16 and 17 of

pivot portion

162 and 172, cooperate outer peripheral face to have the stopper body 30 of the serial bar flank of tooth 39, make the flank of tooth 166 that

ratchet

16 and 17 can medial surface and 176 and the bar flank of tooth 39 interlocks of stopper body 30, perhaps utilize the

guide lug

164 and 174 of inboard nearly

pivot portion

162 and 172 allow

ratchet

16 and 17 perks and can interlock, the effect that reaches selected clockwise direction or counterclockwise carry out unidirectional blocking operation.

Claims

1. ratchet sleeve, it restrains shell fragment by a sleeve body, at least and a stopper body is formed, and the Lower Half of sleeve body is concaved with the nested nested groove of confession clamp structure; It is characterized in that:

The place forms a brake groove in sleeve body first half axle center, and with specific interval provide at half thick place that faces the wall and meditates of the sleeve body at brake groove place two mutually non-parallel and non-radially put the hole, and be provided with a spring respectively putting inside, hole, held a pearl body respectively at both ends of the spring;

Contained shell fragment is a C shape elastic strip body, is provided with two bandy arc protuberances to be not equal to two spacings of putting hole outer openings distance, but and form the groove that bead supporting body embeds at each arc protuberance inner face;

The stopper body is one just can insert the cylindrical body of brake groove, and its outer peripheral face correspondence is put the hole middle section position and is arranged with a circle ball recess at interval.

2. ratchet sleeve according to claim 1 is characterized in that: the outer peripheral face at the relative brake groove middle section position of sleeve body is arranged with a circle for restraining the nested ring groove of shell fragment.

3. ratchet sleeve according to claim 1 is characterized in that: it is 150 degree that two on the sleeve body put the hole crossing angle of extension.

4. ratchet sleeve according to claim 1 is characterized in that: the spacing of two arc protuberances of restraining shell fragment is greater than two distances of putting the hole outer openings.

5. ratchet sleeve according to claim 1 is characterized in that: restrain shell fragment and put the arc protuberance that a tool groove is set between the hole relative two.

6. ratchet sleeve according to claim 1 is characterized in that: differ to wear in sleeve body and radially be inserted with two on another demifacet of putting the hole and locate the bayonet lock of restraining shell fragment at a distance of special angle and being used for.

7. ratchet sleeve according to claim 1, it is characterized in that: put the tank that the inboard, hole is respectively equipped with the relative arc edge of tool in two of sleeve body, one side forms pivot portion and inner face has in the ratchet hub setting tank of the flank of tooth, and stopper body side face then is formed with the bar flank of tooth that matches.

8. ratchet sleeve according to claim 7 is characterized in that: form guide lug at the inboard nearly pivot portion of ratchet place.

9. according to claim 1 or 7 described ratchet sleeves, it is characterized in that: the stopper body directly is articulated on the tommy bar.