CN102717374A - Shank structure for horizontal hydraulic jack - Google Patents
Shank structure for horizontal hydraulic jack Download PDFInfo
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- CN102717374A CN102717374A CN2012101769892A CN201210176989A CN102717374A CN 102717374 A CN102717374 A CN 102717374A CN 2012101769892 A CN2012101769892 A CN 2012101769892A CN 201210176989 A CN201210176989 A CN 201210176989A CN 102717374 A CN102717374 A CN 102717374A
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- extension bar
- hole
- hydraulic jack
- horizontal hydraulic
- insertion part
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Abstract
The invention relates to a shank structure for a horizontal hydraulic jack, which belongs to the technical field of lifting tools and comprises a basic extension bar, a lengthened extension bar and a lock lever bolt, wherein one end, facing to the basic extension bar, of the lengthened extension bar is narrowed to form a connecting plug, of which the diameter is less than that of the lengthened extension bar; a first lock lever bolt hole and a locking hole are formed in a wall body at one end, facing to the lengthened extension bar, of the basic extension bar; a second lock lever bolt hole and a locking head abdicating hole are formed in the connecting plug; the second lock lever bolt hole and the locking head abdicating hole are mutually separated by 180 degrees in the circumferential direction around the connecting plug; and the lengthened extension bar and the basic extension bar are connected through a lock lever bolt in an insertion manner. The shank structure is characterized in that the locking hole is a threaded hole; the end part at one end of the lock lever bolt matched with the locking hole is narrowed to form a locking head provided with an external thread; and the locking head is in threaded fit with the locking hole through the external thread. The shank structure has the advantages of facilitating the improvement on the working performance, being beneficial to omitting a nut in the prior art so as to reduce the number of components, and achieving the economical efficiency.
Description
Technical field
The invention belongs to the lifting implement technical field, be specifically related to a kind of horizontal hydraulic jack handle structure
Background technology
horizontal hydraulic jack handle, its structure can be seen in by Chinese patent Granted publication CN201769188U (a kind of jack handle of architecture advances), CN201952157U (a kind of jack prosthomere handle arrangement) and CN202106367U (jack handle) etc.
and do not limit above the related handle of patent of giving an example all be the single pole structure; The limited length of single pole structure, in operating process, the operator must operate with the crouching appearance; Thereby both caused the operating effect can not be agile, and made the operator increase sense of fatigue again.If be able to satisfy the degree of operator with the stance operation and simply handle integrally is lengthened to; Can cause the problem that is difficult to collect keeping because of handle is tediously long so again; Because handle follows jack to use as driver's tool, but its collection is an important and very important factor.
can be eliminated (promptly before present patent application proposes) aforementioned unfavorable factor and present to a certain extent, and widely the horizontal hydraulic jack handle structure of use is as shown in Figure 2; The locking bar bolt 3 that comprises basic extension bar 1, lengthening extension bar 2 and be used for lengthening extension bar 2 is connected with extension bar 1 basically; Basic extension bar 1 all is a hollow with lengthening extension bar 2; Lengthening extension bar 2 towards an end of basic extension bar 1 constitute a diameter than the diameter of lengthening extension bar 2 little and with the suitable connection-peg 21 of the cavity volume of basic extension bar 1, this connection-peg 21 inserts basic extension bars 1 and by locking bar bolt 3 it is connected with extension bar 1 basically.During use, locking bar bolt 3 is inserted the connection-peg bolt hole that corresponds to each other on a pair of basic extension bar bolt hole that corresponds to each other that is preset on the basic extension bar 1 and the connection-peg 21 that is preset in lengthening extension bar 2, and limit with nut at the end of this locking bar bolt 3.After finishing using, the whiz nut is pulled out locking bar bolt 3 and is got final product.
above-mentioned horizontal hydraulic jack handle structure shown in Figure 2 still exists in the use of reality and connects trouble and the low shortcoming of operating efficiency, and has the deficiency of amount of parts many (for example need rely on nut).
also have a kind of common handle arrangement, and it has saved nut on the basis of handle arrangement shown in Figure 2, have changed the bolt hole of basic extension bar into screwed hole.Such structure seems simply, but in the reality, because the factor of processing aspect, the cavity volume of basic extension bar and the applying that connection-peg can not be intact rock the discomfort in the generation operating process thereby make between basic extension bar and the lengthening extension bar to produce because of the gap.
In view of above-mentioned prior art, be necessary rationally to improve, for this reason, the applicant has done useful design, and the technical scheme that will introduce below is based on producing under the background
Summary of the invention
task of the present invention is to provide a kind of convenience that helps to significantly improve operation, help promoting operating efficiency and be of value to and reduce component number, be of value to promoting between lengthening extension bar and the basic extension bar and fit tightly the horizontal hydraulic jack handle structure that is connected effect and uses embodiment economy, comfortableness.
task of the present invention is accomplished like this; A kind of horizontal hydraulic jack handle structure; The locking bar bolt that comprises basic extension bar, lengthening extension bar and be used for the lengthening extension bar is connected with basic extension bar; The lengthening extension bar towards an end of basic extension bar narrow shorten into a diameter than the diameter of lengthening extension bar the connection-peg in the little and cavity volume that be used to be inserted into basic extension bar; Wherein: on the wall body of an end of lengthening extension bar and in the position to correspond to each other, offer one first a locking bar bolt hole and a lock hole at said basic extension bar; On said connection-peg, offer one second a locking bar bolt hole and an elongated insertion part resigning hole; The second locking bar bolt hole and elongated insertion part resigning hole be around apart 180 ° of the circumferencial direction of said connection-peg, and described locking bar bolt inserts first, second screw rod bolt hole, elongated insertion part resigning hole and lock hole successively said lengthening extension bar is connected with extension bar basically, and be characterised in that: described lock hole is a screwed hole; The end end that described locking bar bolt matches with lock hole is narrow have been shortened one into and has had externally threaded elongated insertion part, and this elongated insertion part is through said external screw thread and lock hole threaded engagement.
in a concrete embodiment of the present invention, described first locking bar bolt hole and lock hole to described basic extension bar towards the distance of end face of an end of lengthening extension bar is and the described second locking bar bolt hole and elongated insertion part resigning hole to the extension bar that extends equidistant towards the step surface of an end of basic extension bar.
In another concrete embodiment of the present invention, described step surface matches with described end face
.
In another concrete embodiment of the present invention, described first, second locking bar bolt hole overlaps each other
; And described elongated insertion part resigning hole overlaps with described lock hole each other.
In another concrete embodiment of the present invention, the diameter of described first, second locking bar bolt hole equates
; And the diameter of described elongated insertion part resigning hole is with the equal diameters of said lock hole.
also have among the concrete embodiment of the present invention, and the end expansion that described locking bar bolt deviates from said elongated insertion part is provided with a stubborn cap.
more of the present invention and among concrete embodiment, constitutes on the surface of described stubborn cap and twist the anti-skidding bead of cap.
in of the present invention and then concrete embodiment, the anti-skidding bead of described stubborn cap is the anti-skidding bead of strip.
of the present invention again more and among concrete embodiment, the anti-skidding bead of described stubborn cap is the anti-skidding bead of floating-point shape.
in again of the present invention and then concrete embodiment, the anti-skidding bead of the described stubborn cap anti-skidding bead that to be strip mix with the floating-point shape mutually.
technical scheme provided by the invention; Owing to basic extension bar is designed to have the screwed hole of internal thread towards the lock hole of an end of lengthening extension bar; And an end that matches with lock hole at the locking bar bolt is narrow to contract and constitutes one and have externally threaded elongated insertion part; Can lengthening extension bar and basic extension bar be locked apace with the threaded engagement of lock hole by elongated insertion part and to be connected; And can ensure ideally that fitting tightly between lengthening extension bar and the basic extension bar is connected effect, not only help promoting operating efficiency but also be of value to and abandon the nut in the prior art and reduce component number, the embodiment economy.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Fig. 2 presses the hand structure chart for known horizontal hydraulic jack.
The specific embodiment
Embodiment 1:
see also Fig. 1, have provided the basic extension bar 1 that promptly has cavity volume 11 of a hollow, why claim basic extension bar 1, are that the lengthening extension bar 2 that provides is hollow equally because under user mode, be used for matching with the horizontal hydraulic jack.On the wall body of an end of lengthening extension bar 2, offer one first a locking bar bolt hole 12 and a lock hole 13 at basic extension bar 1; This first screw rod bolt hole 12 is corresponding with lock hole 13; Say that more properly the first locking bar bolt hole 12 and lock hole 13 are around apart 180 ° of the circumferencial direction of the basic body of rod 1.
constitute the diameter little and connection-peg 21 that with aforesaid cavity volume 11 match of a diameter than the lengthening body of rod 2 at the aforesaid lengthening body of rod 2 towards narrow the contracting of an end of the basic body of rod 1; After connection-peg 21 inserted in the cavity volume 11, the appearance wall of the outer wall of this connection-peg 21 and cavity volume pasted and touches.On connection-peg 21, offer one second a locking bar bolt hole 211 and an elongated insertion part resigning hole 212, this second locking bar bolt hole 211 and elongated insertion part resigning hole 212 are around apart 180 ° of the circumferencial direction of connection-peg 21.Wherein: after connection-peg 21 inserted in the cavity volume 11, first, second mutually the same locking bar bolt hole 12,211 of diameter overlapped, and is same, and the mutually the same elongated insertion part resigning hole 212 of diameter coincides with lock hole 13.
are for the be connected effect of abundant guarantee lengthening extension bar 2 with basic extension bar 1; Therefore the first locking bar bolt hole 12 and lock hole 13 to basic extension bar 1 are designed to equate towards the distance of the step surface 22 of an end of basic extension bar 1 with the second locking bar bolt hole 211 and elongated insertion part resigning hole 212 to lengthening extension bar 2 towards the distance of the end face 14 of an end of lengthening extension bar 2; Use after connection-peg 21 inserts cavity volume 11; Both guaranteed that step surface 22 cooperated with end face; Guarantee that again first, second locking bar bolt hole 12,211 overlaps, and guarantees that simultaneously elongated insertion part resigning hole 212 overlaps with lock hole 13.Lengthening extension bar 2 inserts aforesaid first, second locking bar bolt hole 12,211, elongated insertion part resigning hole 212 and lock hole 13 with being connected of basic extension bar 1 successively by locking bar bolt 3 and realizes.
are as the technical spirit of technical scheme provided by the invention; Aforesaid lock hole 13 is designed to have the screwed hole of internal thread; And an end that matches with lock hole 13 at locking bar bolt 3 is narrow contract constitute one have an external screw thread 311 elongated insertion part 31; So in the time of in elongated insertion part 31 corresponds to lock hole 13,, thereby make the external screw thread 311 and the internal thread of lock hole 13 realize threaded engagement as long as locking bar bolt 3 is turned clockwise.This design has abandoned dexterously that (as shown in Figure 2) needs to rely on the qualification of nut to locking bar bolt 3 in the prior art, that is to say and can save nut, both simplifies the structure, and can embody relatively cheap property again.
Fig. 1 please be continued to see in
; Be provided with a diameter stubborn cap 32 bigger at aforesaid locking bar bolt 3 back to promptly expanding than the diameter of locking bar bolt 3 away from an end of elongated insertion part 31; And constitute anti-skidding bead 321 on the surface of this stubborn cap 32; In the present embodiment, anti-skidding bead 321 is the anti-skidding bead of strip.Because the existence of anti-skidding bead 321, the operator is not prone to skidding because of frictional force increases when cap 32 is twisted in turn.Especially; Can know by present embodiment; Screw rod bolt 3 connects the back because screwed and connection-peg 21 inwalls of lengthening extension bar 2 are produced the pushing force of a side direction, and through this power, basic extension bar 1 fits tightly with lengthening extension bar 2 lateral positions; Can eliminate mutual gap, improve the comfortableness of operation.
Embodiment 2:
figure slightly only makes anti-skidding bead 321 into floating-point shape anti-skidding bead, and all the other are all with the description to embodiment 1.
Embodiment 3:
figure slightly only changes anti-skidding bead 321 into anti-skidding bead that floating-point and strip mix mutually, and all the other are all with the description to embodiment 1.
belong to known technology owing to pressing the operation of hand to the oil pump of horizontal hydraulic jack, so the applicant no longer gives unnecessary details.In a word, technical scheme provided by the invention has remedied the shortcoming in the prior art, has accomplished the invention task, has objectively embodied applicant's alleged technique effect in the technique effect hurdle, thereby to can yet be regarded as be a ultimate attainment and practical scheme
Claims (10)
1.
a kind of horizontal hydraulic jack handle structure; The locking bar bolt (3) that comprises basic extension bar (1), lengthening extension bar (2) and be used for lengthening extension bar (2) is connected with basic extension bar (1); At lengthening extension bar (2) towards the narrow diameter that shortens into of an end of basic extension bar (1) than the connection-peg (21) in the little and cavity volume that be used to be inserted into basic extension bar (1) (11) of diameter of lengthening extension bar (2); Wherein: on the wall body of an end of lengthening extension bar (1) and in the position to correspond to each other, offer one first a locking bar bolt hole (12) and a lock hole (13) at said basic extension bar (1); On said connection-peg (21), offer one second a locking bar bolt hole (211) and an elongated insertion part resigning hole (212); The second locking bar bolt hole (211) and elongated insertion part resigning hole (212) are around apart 180 ° of the circumferencial direction of said connection-peg (21); Described locking bar bolt (3) inserts first, second screw rod bolt hole (12,211), elongated insertion part resigning hole (212) and lock hole (13) successively said lengthening extension bar (2) is connected with basic extension bar (1); It is characterized in that: described lock hole (13) is a screwed hole; The end end that described locking bar bolt (3) matches with lock hole (13) is narrow shorten into one have external screw thread (311) elongated insertion part (31), this elongated insertion part (31) is through said external screw thread and lock hole (13) threaded engagement.
2.
horizontal hydraulic jack handle structure according to claim 1 is characterized in that described first locking bar bolt hole (12) and lock hole (13) to described basic extension bar (1) towards the distance of the end face (14) of an end of lengthening extension bar (2) is and equidistant towards the step surface (22) of an end of basic extension bar (1) of the described second locking bar bolt hole (211) and elongated insertion part resigning hole (211) to the extension bar that extends (2).
3.
horizontal hydraulic jack handle structure according to claim 2 is characterized in that described step surface (22) matches with described end face (14).
4.
horizontal hydraulic jack handle structure according to claim 1 and 2 is characterized in that described first, second locking bar bolt hole (12,211) overlaps each other; And described elongated insertion part resigning hole (211) overlaps with described lock hole (13) each other.
5.
horizontal hydraulic jack handle structure according to claim 4 is characterized in that the diameter of described first, second locking bar bolt hole (12,211) equates; And the diameter of described elongated insertion part resigning hole (212) is with the equal diameters of said lock hole (12).
6.
horizontal hydraulic jack handle structure according to claim 1 is characterized in that a end that described locking bar bolt (3) deviates from said elongated insertion part (31) expands to be provided with one and to twist cap (32).
7.
horizontal hydraulic jack handle structure according to claim 6 is characterized in that constituting on the surface of described stubborn cap (32) and twists the anti-skidding bead of cap (321).
8.
horizontal hydraulic jack handle structure according to claim 7 is characterized in that the anti-skidding bead of described stubborn cap (321) is the anti-skidding bead of strip.
9.
horizontal hydraulic jack handle structure according to claim 7 is characterized in that the anti-skidding bead of described stubborn cap (321) is the anti-skidding bead of floating-point shape.
10.
Horizontal hydraulic jack handle structure according to claim 7 is characterized in that the anti-skidding bead that the anti-skidding bead of described stubborn cap (321) is mixed for strip and floating-point shape mutually
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101769892A CN102717374A (en) | 2012-06-01 | 2012-06-01 | Shank structure for horizontal hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101769892A CN102717374A (en) | 2012-06-01 | 2012-06-01 | Shank structure for horizontal hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102717374A true CN102717374A (en) | 2012-10-10 |
Family
ID=46943313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101769892A Pending CN102717374A (en) | 2012-06-01 | 2012-06-01 | Shank structure for horizontal hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102717374A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07164353A (en) * | 1993-12-14 | 1995-06-27 | Manpei Sangyo Kk | Manually operated rod member for apparatus |
| CN101172568A (en) * | 2007-11-24 | 2008-05-07 | 常熟市龙鑫机电配件有限公司 | Extension rod of scissors type jack handle |
| CN201087119Y (en) * | 2007-07-27 | 2008-07-16 | 常熟通润汽车千斤顶有限公司 | Extension rod of jack handle |
| CN201183733Y (en) * | 2008-03-28 | 2009-01-21 | 常熟通润汽车零部件有限公司 | Connection device of jack operating grip |
| CN201677307U (en) * | 2010-04-28 | 2010-12-22 | 常熟通润汽车零部件股份有限公司 | Adjustable jack handle |
| CN202640318U (en) * | 2012-06-01 | 2013-01-02 | 常熟通润汽车零部件股份有限公司 | Horizontal hydraulic jack handle structure |
-
2012
- 2012-06-01 CN CN2012101769892A patent/CN102717374A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07164353A (en) * | 1993-12-14 | 1995-06-27 | Manpei Sangyo Kk | Manually operated rod member for apparatus |
| CN201087119Y (en) * | 2007-07-27 | 2008-07-16 | 常熟通润汽车千斤顶有限公司 | Extension rod of jack handle |
| CN101172568A (en) * | 2007-11-24 | 2008-05-07 | 常熟市龙鑫机电配件有限公司 | Extension rod of scissors type jack handle |
| CN201183733Y (en) * | 2008-03-28 | 2009-01-21 | 常熟通润汽车零部件有限公司 | Connection device of jack operating grip |
| CN201677307U (en) * | 2010-04-28 | 2010-12-22 | 常熟通润汽车零部件股份有限公司 | Adjustable jack handle |
| CN202640318U (en) * | 2012-06-01 | 2013-01-02 | 常熟通润汽车零部件股份有限公司 | Horizontal hydraulic jack handle structure |
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| PB01 | Publication | ||
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Application publication date: 20121010 |