CN102039574A - Extension rod capable of fast pulling and loosing sleeve - Google Patents
Extension rod capable of fast pulling and loosing sleeve Download PDFInfo
- Publication number
- CN102039574A CN102039574A CN2009102085802A CN200910208580A CN102039574A CN 102039574 A CN102039574 A CN 102039574A CN 2009102085802 A CN2009102085802 A CN 2009102085802A CN 200910208580 A CN200910208580 A CN 200910208580A CN 102039574 A CN102039574 A CN 102039574A
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- clamping piece
- section
- press face
- extension bar
- sleeve
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Abstract
The invention discloses an extension rod capable of fast pulling and loosing a sleeve, belonging to the technical field of extension rods. The extension rod comprises a rod body, a first elastic piece, a clamping rod, a second elastic piece and an external member. The user can hold the rod body by one hand, and place the sleeve around a bearing section of the rod body by the other hand, so as to enable the extension rod to pull the sleeve fast; or the user can hold the rod body by one hand, then hold and move the external member by the other hand, so as to enable the extension rod to loose the sleeve fast.
Description
Technical field
The present invention relates to a kind of extension bar, but particularly a kind of extension bar of quick fetching.
Background technology
The hand-held tool of extension bar kenel is given its diversified usability because accepting the screwdriver head of different patterns.
Referring to Figure 13, be a kind of schematic diagram of the quick extension bar of anticreep of known spanner.The quick extension bar of anticreep comprises a body 91, a blocking bar 92, a latch 93, a throw-out collar 94 and a spring 95; The operating principle of extension bar mainly is through hole and the microscler through hole of body 91 and the through hole of blocking bar 92 that passes throw-out collar 94 by latch 93 fast, said structure is given combination, thus when the user pulls back throw-out collar 94, just can blocking bar 92 and then be moved backward by latch 93, when blocking bar 92 is mobile backward, annular groove on it also moves thereupon backward, and so steel ball promptly drops downwards, and sleeve just can take off fast and easily.
The throw-out collar 94 of above-mentioned connecting rod combines by latch 93 with blocking bar 92, move by promoting throw-out collar 94 interlock blocking bars 92, the control steel ball drops downwards and takes off sleeve, and by its specification and graphic judgement, above-mentioned connecting rod need promote throw-out collar 94 to be made steel ball drop downwards and installs sleeve, but such operational motion also is not easy control, the operator must be hold by one hand main body 91, the another hand grips throw-out collar 94, at this moment, the operator has not had hand can grip sleeve, and perhaps the operator needs singlehanded main controlling body 91 and throw-out collar 94 simultaneously, and holds holding sleeve with another, and jacket casing placed square column, such mode of operation has and does not allow easy-operating defective, and can't reach the purpose of quick installing sleeve quite not smoothly.
Summary of the invention
For but a kind of extension bar of quick fetching is provided, and address the deficiencies of the prior art, but the embodiment of the invention provides a kind of extension bar of quick fetching.Described technical scheme is as follows:
But a kind of extension bar of quick fetching comprises:
One body, it comprises accepts the Duan Yuyi section of wearing, this section of wearing is adjacent with this section of accepting, this section of accepting is provided with one first clamping piece, this section of accepting can be accepted sleeve, and utilizes this first clamping piece to reach the effect of clip, and this section of wearing is provided with one second clamping piece, this body vertically is provided with one and holds the hole, and this first and second clamping piece can stretch into this appearance hole;
One first elastic component, it is positioned at this appearance hole;
One blocking bar, it wears this appearance hole and compresses this first elastic component, and this blocking bar comprises a blocking part and a location division, and this blocking part is to should first clamping piece, and this location division is to should second clamping piece;
One external member, the section of wearing of its this body of socket also can move relative to this section of wearing, be provided with a circular groove and a retaining edge in this external member, this circular groove and this retaining edge can be to should second clamping piece, this circular groove is to should second clamping piece time, and this first elastic component elasticity discharges, and this second clamping piece breaks away from this location division, this first clamping piece exposes this hole clipping, and the clip that sleeve breaks away from this first clamping piece can take out fast; The quick clip of sleeve is when this first clamping piece, and this first clamping piece stretches into this blocking part, and this blocking bar compresses this first elastic component, and this retaining edge is to should second clamping piece, and this second clamping piece stretches into this location division.
This section of accepting is provided with a stop part, and this external member is limited in this stop part can't break away from this body.
This blocking part comprises four press faces, contiguous this location division of this first press face, this second press face is between this first and the 3rd press face, this second press face is vertical with the end face of this blocking bar, the 3rd press face is between this second and the 4th press face, this blocking bar is provided with a virtual tangent line, this tangent line is parallel with this second press face, this tangent line to this second press face forms a vertical range, on the 3rd press face any point to the beeline of this tangent line all less than this vertical range.
This first and the 4th press face is skewed, and this second press face and this first press face form the angle at an obtuse angle, and the 3rd press face and the 4th press face form the angle at an obtuse angle, and the 3rd press face is cambered surface.
This location division comprises first end and second end, and the radius of curvature of this location division first end is less than the radius of curvature of this location division second end.
This two clamping piece is positioned at same lengthwise position.
This section of accepting laterally forms a hole clipping, and this hole clipping is communicated with this appearance hole, and this first clamping piece is positioned at this hole clipping, and this section of wearing is provided with a through hole, and this through hole is communicated with this appearance hole, and this second clamping piece is positioned at this through hole.
This blocking bar wears this appearance hole and is subjected to this first elastic component elastic top and pulls, and this blocking bar of normal condition exposes to the end of this body section of accepting.
This external member comprises first end and second end, and this circular groove and this retaining edge are between these external member two ends, and these external member outer peripheral edges form the grip part of a convex-concave surface, and it can provide anti-skidding gripping effect.
This external member second end is provided with a ring, form a receiving part between this retaining edge and this ring, be provided with one second elastic component in this receiving part, this second elastic component is limited between this retaining edge and this ring, this external member is limited in this stop part can't break away from this body, and this stop part is between this second elastic component and this ring.
In embodiments of the present invention, but the extension bar of quick fetching comprises a body, one first elastic component, a blocking bar, one second elastic component and an external member.The operator is by being hold by one hand body, and the another hand jacket casing of taking places this section of accepting, and can reach the purpose of extension bar quickly picking sleeve; And being hold by one hand body, the another hand grips and mobile external member can reach the purpose that allows extension bar decontrol sleeve fast; Be positioned at the design of same lengthwise position by two clamping pieces, make the clip relation of this first clamping piece and this blocking part and the clip relation of this second clamping piece and this location division can both allow two clamping pieces roll smoothly respectively, and do not have stuck situation generation; Comprise four press faces by blocking part, it can allow first clamping piece move at blocking part cleverly and reach the effect of clip sleeve; By any point on the 3rd press face of blocking part to the beeline of tangent line all less than the vertical range of second press face, first clamping piece is pressed against the 3rd and the 4th press face and clip at the trepanning of sleeve, further makes extension bar reach the purpose of clip sleeve; Radius of curvature by location division first end makes this second clamping piece be easy to move on this location division less than the radius of curvature of second end.
Description of drawings
But the stereo appearance figure of the extension bar of the quick fetching that Fig. 1 is the embodiment of the invention to be provided;
But the three-dimensional exploded view of the extension bar of the quick fetching that Fig. 2 is the embodiment of the invention to be provided;
But the cutaway view of the extension bar of the quick fetching that Fig. 3 is the embodiment of the invention to be provided;
Fig. 4 be the embodiment of the invention provide by thin portion enlarged drawing that Fig. 3 got;
Fig. 5 is the action diagram of the extension bar quickly picking sleeve that provides of the embodiment of the invention, and the expression sleeve is prepared the schematic diagram of socket body;
Fig. 6 is the action diagram of the extension bar quickly picking sleeve that provides of the embodiment of the invention, the schematic diagram of the expression sleeve socket section of accepting;
Fig. 7 is the action diagram of the extension bar quickly picking sleeve that provides of the embodiment of the invention, and the shoulder of expression sleeve compresses the schematic diagram of this blocking rod end surface;
Fig. 8 is the action diagram of the extension bar quickly picking sleeve that provides of the embodiment of the invention, represents that first clamping piece falls into the schematic diagram of the 3rd press face;
Fig. 9 is the schematic diagram that extension bar that the embodiment of the invention provides is accepted sleeve;
Figure 10 is the action diagram that extension bar that the embodiment of the invention provides is decontroled sleeve fast, and the expression operator moves the schematic diagram of grip part;
Figure 11 is the action diagram that extension bar that the embodiment of the invention provides is decontroled sleeve fast, represents that second clamping piece enters the schematic diagram of circular groove;
Figure 12 is the action diagram that extension bar that the embodiment of the invention provides is decontroled sleeve fast, and the expression sleeve breaks away from the schematic diagram of the clip of extension bar really;
Figure 13 is the schematic diagram of the quick extension bar of anticreep of a kind of known spanner of providing of prior art.
In the accompanying drawing, the list of parts of each label representative is as follows:
91: body, 92: the blocking bar, 93: latch, 94: throw-out collar,
95: spring, 10: body, 101: the section of accepting, 102: the section of wearing, 103: connect the section of establishing,
104: hole clipping, 105: through hole, 106: circular groove, 107: connect the hole, 108: hold the hole,
11: the first clamping pieces, 12: the second clamping pieces, 13: stop part, 20: the first elastic components,
30: the blocking bar, 31: blocking part, 311: the first press faces, 312: the second press faces,
313: the three press faces, 314: the four press faces, 32: the location division, 321: the first ends,
322: the second ends, 40: the second elastic components, 50: external member, 501: the first ends,
502: the second ends, 51: perforation, 52: stopper, 53: ring, 54: the retaining edge, 55: circular groove,
56: receiving part, 57: grip part, a: tangent line, L1: vertical range.
The specific embodiment
Relevant the technology used in the present invention, means and effect thereof are described in detail by lifting a preferred embodiment and conjunction with figs., and this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.
Referring to Fig. 1, Fig. 2 and Fig. 3, but be respectively stereo appearance figure, three-dimensional exploded view and the generalized section of the extension bar of the quick fetching that the embodiment of the invention provides.But the extension bar of the quick fetching that the embodiment of the invention provides includes a body 10, one first elastic component 20, a blocking bar 30, one second elastic component 40 and an external member 50.
First elastic component 20 is positioned at and holds hole 108.
Referring to Fig. 4, blocking bar 30 wears to hold hole 108 and be subjected to first elastic component, 20 elastic top and pulls simultaneously, the normal condition blocking bar 30 outer ends that are exposed at body 10 sections of accepting 101.Blocking bar 30 comprises a blocking part 31 and a location division 32, blocking part 31 comprises four press faces 311,312,313,314, first press face, 311 positioned adjacent portions 32, and first press face 311 is skewed, second press face 312 is positioned at the first and the 3rd press face 311, between 313, second press face 312 is vertical with the end face of blocking bar 30, second press face 312 and first press face 311 form the angle at an obtuse angle, the 3rd press face 313 is positioned at the second and the 4th press face 312, between 314, the 3rd press face 313 and the 4th press face 314 form the angle at an obtuse angle, the 3rd press face 313 is cambered surface, and the 4th press face 314 is skewed.Blocking bar 30 is provided with a virtual tangent line a, and tangent line a is parallel with second press face 312, and tangent line a to the second press face 312 forms a vertical range L1, on the 3rd press face 313 any point to the beeline of tangent line a all less than vertical range L1.Location division 32 comprises the radius of curvature of the radius of curvature of first end 321 and second end, 322, the first ends 321 less than second end 322, makes second clamping piece 12 be easy to move on location division 32.Blocking part 31 corresponding first clamping pieces 11, location division 32 corresponding second clamping pieces 12.
The section of wearing 102 of second elastic component, 40 socket bodies 10.
Referring to Fig. 5 to Fig. 8, the action diagram of the extension bar quickly picking sleeve that provides for the embodiment of the invention.Referring to Fig. 5, the section of accepting 101 of the body 10 of the extension bar that the embodiment of the invention provides can be accepted sleeve.Referring to Fig. 6, the trepanning of sleeve can the socket section of accepting 101.Referring to Fig. 7, after the trepanning of sleeve is inserted in the section of accepting 101, first clamping piece 11 stretches into the blocking part 31 of blocking bar 30 via hole clipping 104, and the shoulder of sleeve compresses the end face of blocking bar 30, make first clamping piece 11 away from first press face 311 and clip at second press face 312.Referring to Fig. 8, the shoulder of sleeve continues to compress the end face of blocking bar 30, and first clamping piece 11 falls into the 3rd press face 313, and second clamping piece 12 falls into first end 321 of location division 32.
Referring to Fig. 9, the extension bar that provides for the embodiment of the invention is accepted the schematic diagram of sleeve.The shoulder of sleeve continues to compress the end face of blocking bar 30, first clamping piece 11 falls into the 3rd and the 4th press face 313, between 314, and second clamping piece 12 falls into location division 32 fully, the circular groove 55 of external member 50 breaks away from second clamping piece 12, external member 50 discharges by second elastic component, 40 elasticity, second elastic component 40 promotes external member 50 and moves toward sleeve, the retaining edge 54 of external member 50 is blocked in second clamping piece 12, radius of curvature by first end 321 is less than the radius of curvature of second end 322, make second clamping piece 12 fall into second end 322 of location division 32 automatically, make external member 50, body 10 forms the location with blocking bar 30 threes.At this moment, by any point on the 3rd press face 313 to the beeline of tangent line a all less than vertical range L1 (seeing also Fig. 4), first clamping piece 11 is pressed against the 3rd and the 4th press face 313,314 and clip at the trepanning of sleeve, further makes extension bar reach the purpose of clip sleeve.
First clamping piece 11 moves in blocking part 31, second clamping piece, 12 selectivity break away from location division 32, be positioned at the design of same lengthwise position by two clamping pieces 11,12, make the clip relation of the clip relation of first clamping piece 11 and blocking part 31 and second clamping piece 12 and location division 32 can both allow two clamping pieces 11, the 12 stuck situation of rolling smoothly, and do not have respectively take place.
The extension bar that the embodiment of the invention provides can allow the section of accepting 101 of sleeve socket body 10, the operator by being hold by one hand body 10 the section of wearing 102 or connect the section of establishing 103, the another hand jacket casing of taking places the section of accepting 101, compress blocking bar 30 by sleeve, and make second clamping piece 12 be positioned location division 32 second ends 322, first clamping piece, 11 clip sleeves reach the purpose of extension bar quickly picking sleeve.
Referring to Figure 10 to Figure 12, the extension bar that provides for the embodiment of the invention is decontroled the action diagram of sleeve fast.Referring to Figure 10, the operator is hold by one hand the section of wearing 102 of body 10 or connects the section of establishing 103, and the another hand grips the grip part 57 of external member 50, controls grip part 57 and moves to connecing the section of establishing 103, makes retaining edge 54 break away from second clamping piece 12, circular groove 55 corresponding second clamping pieces 12.Referring to Figure 11, at this moment, second clamping piece 12 breaks away from second end 322 and enters the clip of circular groove 55, the first clamping pieces 11 of external member 50 away from the promptly synchronous disengaging sleeve of the 4th press face 314, the first clamping pieces 11 via first end 321.Referring to Figure 12, second clamping piece 12 breaks away from location division 32 fully, and the elasticity that blocking bar 30 is subjected to first elastic component 20 discharges and the pushing tow sleeve, and sleeve breaks away from the clip of extension bar.
The extension bar that the embodiment of the invention provides can be decontroled sleeve fast, the operator by being hold by one hand body 10 the section of wearing 102 or connect the section of establishing 103, the another hand grips and mobile external member 50, retaining edge 54 by external member 50 is away from second clamping piece 12, first clamping piece 11 also breaks away from the clip of sleeve, thereby can reach the purpose that allows extension bar decontrol sleeve fast.
In embodiments of the present invention, but the extension bar of quick fetching comprises a body, one first elastic component, a blocking bar, one second elastic component and an external member.The operator is by being hold by one hand body, and the another hand sleeve of taking is nested with in the section of accepting, and can reach the purpose of extension bar quickly picking sleeve; And being hold by one hand body, the another hand grips and mobile external member, can reach the purpose that allows extension bar decontrol sleeve fast; Two clamping pieces are positioned at the design of same lengthwise position, make the clip relation of this first clamping piece and this blocking part and the clip relation of this second clamping piece and this location division can both allow two clamping pieces roll smoothly respectively, and do not have stuck situation generation; Blocking part comprises four press faces, and it can allow first clamping piece move at blocking part cleverly and reach the effect of clip sleeve; On the 3rd press face of blocking part any point to the beeline of tangent line all less than the vertical range of second press face, first clamping piece is pressed against the 3rd and the 4th press face and clip at the trepanning of sleeve, further makes extension bar reach the purpose of clip sleeve; The radius of curvature of location division first end makes this second clamping piece be easy to move on this location division less than the radius of curvature of second end.
The above only is the preferred embodiments of the present invention, be not so limit claim of the present invention, the equivalent structure transformation that the content of every utilization specification of the present invention and accompanying drawing is done, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the claim of the present invention.
Claims (10)
1. but the extension bar of a quick fetching is characterized in that, comprising:
One body, it comprises accepts the Duan Yuyi section of wearing, this section of wearing is adjacent with this section of accepting, this section of accepting is provided with one first clamping piece, this section of accepting can be accepted sleeve, and utilizes this first clamping piece to reach the effect of clip, and this section of wearing is provided with one second clamping piece, this body vertically is provided with one and holds the hole, and this first and second clamping piece can stretch into this appearance hole;
One first elastic component, it is positioned at this appearance hole;
One blocking bar, it wears this appearance hole and compresses this first elastic component, and this blocking bar comprises a blocking part and a location division, and this blocking part is to should first clamping piece, and this location division is to should second clamping piece;
One external member, the section of wearing of its this body of socket also can move relative to this section of wearing, be provided with a circular groove and a retaining edge in this external member, this circular groove and this retaining edge can be to should second clamping piece, this circular groove is to should second clamping piece time, and this first elastic component elasticity discharges, and this second clamping piece breaks away from this location division, this first clamping piece exposes this hole clipping, and the clip that sleeve breaks away from this first clamping piece can take out fast; The quick clip of sleeve is when this first clamping piece, and this first clamping piece stretches into this blocking part, and this blocking bar compresses this first elastic component, and this retaining edge is to should second clamping piece, and this second clamping piece stretches into this location division.
2. but the extension bar of quick fetching as claimed in claim 1 is characterized in that, this section of accepting is provided with a stop part, and this external member is limited in this stop part can't break away from this body.
3. but the extension bar of quick fetching as claimed in claim 1, it is characterized in that, this blocking part comprises four press faces, contiguous this location division of this first press face, this second press face is between this first and the 3rd press face, this second press face is vertical with the end face of this blocking bar, the 3rd press face is between this second and the 4th press face, this blocking bar is provided with a virtual tangent line, this tangent line is parallel with this second press face, this tangent line to this second press face forms a vertical range, on the 3rd press face any point to the beeline of this tangent line all less than this vertical range.
4. but the extension bar of quick fetching as claimed in claim 3, it is characterized in that, this the first and the 4th press face is skewed, this second press face and this first press face form the angle at an obtuse angle, the 3rd press face and the 4th press face form the angle at an obtuse angle, and the 3rd press face is cambered surface.
5. but the extension bar of quick fetching as claimed in claim 1 is characterized in that, this location division comprises first end and second end, and the radius of curvature of this location division first end is less than the radius of curvature of this location division second end.
6. but the extension bar of quick fetching as claimed in claim 1 is characterized in that, this two clamping piece is positioned at same lengthwise position.
7. but the extension bar of quick fetching as claimed in claim 1 is characterized in that, this section of accepting laterally forms a hole clipping, this hole clipping is communicated with this appearance hole, and this first clamping piece is positioned at this hole clipping, and this section of wearing is provided with a through hole, this through hole is communicated with this appearance hole, and this second clamping piece is positioned at this through hole.
8. but the extension bar of quick fetching as claimed in claim 1 is characterized in that, this blocking bar wears this appearance hole and is subjected to this first elastic component elastic top and pulls, and this blocking bar of normal condition exposes to the end of this body section of accepting.
9. but the extension bar of quick fetching as claimed in claim 2, it is characterized in that this external member comprises first end and second end, this circular groove and this retaining edge are between these external member two ends, these external member outer peripheral edges form the grip part of a convex-concave surface, and it can provide anti-skidding gripping effect.
10. but the extension bar of quick fetching as claimed in claim 9, it is characterized in that, this external member second end is provided with a ring, form a receiving part between this retaining edge and this ring, be provided with one second elastic component in this receiving part, this second elastic component is limited between this retaining edge and this ring, and this external member is limited in this stop part can't break away from this body, and this stop part is between this second elastic component and this ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910208580A CN102039574B (en) | 2009-10-19 | 2009-10-19 | Extension rod capable of fast pulling and loosing sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910208580A CN102039574B (en) | 2009-10-19 | 2009-10-19 | Extension rod capable of fast pulling and loosing sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102039574A true CN102039574A (en) | 2011-05-04 |
| CN102039574B CN102039574B (en) | 2012-10-03 |
Family
ID=43906277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910208580A Expired - Fee Related CN102039574B (en) | 2009-10-19 | 2009-10-19 | Extension rod capable of fast pulling and loosing sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102039574B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214412A (en) * | 2016-12-22 | 2018-06-29 | 鸿安国际兴业有限公司 | Tool extension rod with high structural strength |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI501841B (en) * | 2014-10-17 | 2015-10-01 | Chung Taan Ind Co Ltd | Connector |
| CN108340307A (en) * | 2017-01-25 | 2018-07-31 | 优尼克企业有限公司 | Quick Release extension bar |
-
2009
- 2009-10-19 CN CN200910208580A patent/CN102039574B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214412A (en) * | 2016-12-22 | 2018-06-29 | 鸿安国际兴业有限公司 | Tool extension rod with high structural strength |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102039574B (en) | 2012-10-03 |
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Granted publication date: 20121003 Termination date: 20161019 |