CN109079692B - Labor-saving wrench assembly - Google Patents
Labor-saving wrench assembly Download PDFInfo
- Publication number
- CN109079692B CN109079692B CN201810016236.2A CN201810016236A CN109079692B CN 109079692 B CN109079692 B CN 109079692B CN 201810016236 A CN201810016236 A CN 201810016236A CN 109079692 B CN109079692 B CN 109079692B
- Authority
- CN
- China
- Prior art keywords
- wrench
- locking
- locking sleeve
- sleeve
- hook
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/488—Spanners; Wrenches for special purposes for connections where two parts must be turned in opposite directions by one tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0078—Reaction arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0085—Counterholding devices
Abstract
The invention provides a labor-saving wrench assembly, which comprises: a first wrench, one end of the first wrench adapted to fit over the nut; a second wrench, one end of the second wrench adapted to fit over the bolt; a first locking member rotatably disposed on one of said other end of said first wrench and said other end of said second wrench; a second locking member rotatably provided on the other of the other end of the first wrench and the other end of the second wrench; wherein the first retaining member is threadably engaged with the second retaining member to drive rotation of the first wrench or the second wrench when the first retaining member or the second retaining member is rotated. The labor-saving wrench assembly according to the invention has the characteristics of small required working space and special labor saving.
Description
Technical Field
The invention relates to the technical field of hand tools, in particular to a labor-saving wrench assembly.
Background
In the related art, in some applications, a large torque is required for thread locking, for example, high-pressure nitrogen bottles and high-pressure oxygen bottles require a very high safety locking torque, and when the space is insufficient, a wrench with a long size cannot be used, so that the disassembling force of the nut exceeds the force range of people.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, the invention proposes a power saving wrench assembly having the characteristics of requiring a small working space and being particularly labor-saving.
A labor saving wrench assembly according to the present invention includes: a first wrench, one end of the first wrench adapted to fit over the nut; a second wrench, one end of the second wrench adapted to fit over the bolt; a first locking member rotatably disposed on one of said other end of said first wrench and said other end of said second wrench; a second locking member rotatably provided on the other of the other end of the first wrench and the other end of the second wrench; wherein the first retaining member is threadably engaged with the second retaining member to drive rotation of the first wrench or the second wrench when the first retaining member or the second retaining member is rotated.
According to the labor-saving wrench assembly, the locking sleeve is in threaded fit with the locking stud, so that the labor-saving wrench assembly can obtain large force in a small space, and the labor-saving wrench assembly has the characteristics of small occupied working space and labor saving.
According to one embodiment of the invention, the locking stud is a locking stud and the locking sleeve is a locking sleeve;
the locking stud is rotatably arranged on one of the other end of the first wrench and the other end of the second wrench, a threaded hole matched with the locking stud is formed in the locking sleeve, and the locking sleeve is rotatably arranged on the other of the other end of the first wrench and the other end of the second wrench.
According to an embodiment of the present invention, further comprising: a boost handle disposed on at least one of the locking stud and the locking sleeve.
According to one embodiment of the invention, the number of the power-assisted handles is two, and the two power-assisted handles are arranged on the locking sleeve and face each other.
According to one embodiment of the invention, a first hook is arranged on the locking stud, and a first mounting hole matched with the first hook is arranged on the first wrench;
the locking sleeve is provided with a second hook, and the second wrench is provided with a second mounting hole matched with the second hook.
According to one embodiment of the invention, the second hook is fixed to the locking sleeve by a bearing.
According to one embodiment of the invention, the locking sleeve comprises: the first locking sleeve and the second locking sleeve limit the threaded hole.
According to an embodiment of the invention, the first locking sleeve is rotatably arranged on the second locking sleeve.
According to one embodiment of the invention, a split hinge is provided between the first and second locking sleeves.
According to an embodiment of the invention, the first locking sleeve or/and the second locking sleeve is further provided with a securing tab for locking the first locking sleeve with the second locking sleeve.
The labor-saving wrench component has the characteristics of wide application range, simple and reliable structure and good labor-saving effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a locking sleeve in a labor saving wrench assembly according to the present invention;
FIG. 2 is a schematic view of a locking stud in the power saving wrench assembly according to the present invention;
FIG. 3 is a schematic view of a labor saving wrench assembly according to the present invention as it is opened;
fig. 4 is a schematic view of a power saving wrench assembly according to the present invention closed.
Reference numerals:
a labor-saving wrench assembly (100) for a wrench,
the combination of the first wrench 110, the second wrench 120,
a locking stud 130, a first hook 131, a locking sleeve 140, a second hook 141, a bearing 142, a first locking sleeve 143, a second locking sleeve 144,
power-assisted handle 150, fixed lug 160, folio hinge 170.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The power saving wrench assembly 100 of the present invention will be described in detail with reference to fig. 1-4.
As shown in fig. 1 and 2, a power saving wrench assembly 100 according to the present invention includes a first wrench 110, a second wrench 120, a first locking member and a second locking member.
Wherein one end of the first wrench 110 is adapted to be fitted on a nut, one end of the second wrench 120 is adapted to be fitted on a bolt, a first locking member is rotatably provided on one of the other end of the first wrench 110 and the other end of the second wrench 120, a second locking member is rotatably provided on one of the other end of the first wrench 110 and the other end of the second wrench 120, and the first locking member is screw-engaged with the second locking member to drive the first wrench 110 or the second wrench 120 when the first locking member or the second locking member is rotated.
When one end of the first wrench 110 is engaged with the nut and one end of the second wrench 120 is engaged with the bolt, a certain angle is formed between the first wrench 110 and the second wrench 120, so that a larger distance is formed between the other end of the first wrench 110 and the other end of the second wrench 120, the first locking member is fixed at the other end of the first wrench 110, the second locking member is fixed at the other end of the second wrench 120, the first locking member is connected with the second locking member, the distance between the other end of the first wrench 110 and the other end of the second wrench 120 can be shortened by rotating the first locking member or the second locking member, and the nut at one end of the first wrench 110 and the bolt at one end of the second wrench 120 are rotated relatively, so that the nut is fastened or loosened.
According to the labor-saving wrench assembly 100 of the present invention, the labor-saving wrench assembly 100 can obtain a large force in a small space by screw-engaging the second locking member with the first locking member, and the labor-saving wrench assembly 100 has the characteristics of small occupied working space and particular labor saving.
The first locking member is a locking stud 130, the second locking member is a locking sleeve 140, the locking stud 130 is rotatably disposed on one of the other end of the first wrench 110 and the other end of the second wrench 120, a threaded hole engaged with the locking stud 130 is disposed in the locking sleeve 140, and the locking sleeve 140 is rotatably disposed on one of the other end of the first wrench 110 and the other end of the second wrench 120.
The locking sleeve 140 is screw-engaged with the locking stud 130, the distance between the other end of the first wrench 110 and the other end of the second wrench 120 can be shortened or increased by rotating the locking stud 130, and the force on rotating the locking stud 130 is changed to a force that makes the other end of the first wrench 110 and the other end of the second wrench 120 close to or away from each other by screw-engaging the locking sleeve 140 with the locking stud 130.
The power wrench assembly 100 further includes two power handles 150 disposed on one of the locking stud 130 and the locking sleeve 140, and the two power handles 150 are disposed on the locking sleeve 140 according to an embodiment of the present invention, wherein the number of the power handles 150 is two, the two power handles 150 are disposed on the locking sleeve 140 and face each other, an operator can easily rotate the locking sleeve 140 by rotating the power handles 150, and the distance between the other end of the first wrench 110 and the other end of the second wrench 120 can be shortened or increased by continuously rotating the power handles 150 with two hands.
The locking stud 130 is provided with a first hook 131, the first wrench 110 is provided with a first mounting hole matched with the first hook 131, the locking sleeve 140 is provided with a second hook 141, the second wrench 120 is provided with a second mounting hole matched with the second hook 141, the locking stud 130 is hung on the first mounting hole through the first hook 131, the mounting hole in the first wrench 110 is arranged on the end portion of the first wrench 110, the first wrench 110 is connected with the locking stud 130 through the hook, the locking sleeve 140 is hung on the second mounting hole through the second hook 141, the mounting hole in the second wrench 120 is arranged on the end portion of the second wrench 120, and the second wrench 120 is connected with the locking sleeve 140 through the hook.
The second hook 141 can be fixed on the lock stud 130 through the bearing 142, the second hook 141 can not rotate during operation by arranging the bearing 142, the first hook 131 can be easily fixed on the lock stud 130 through rotation of the bearing 142, and the first hook 131 cannot influence rotation of the lock stud 130. The second hook 141 can also be easily engaged with the locking sleeve 140 by rotation of the bearing 142, and the locking stud 130 can be engaged with the locking sleeve 140 by rotating the second hook 141 during installation, thereby improving the application range of the labor-saving wrench assembly 100.
As shown in fig. 1 and 2, the locking sleeve 140 includes a first locking sleeve and a second locking sleeve, the first locking sleeve 143 and the second locking sleeve 144 define a threaded hole, the first locking sleeve 143 is rotatably disposed on the second locking sleeve 144, a portion of each of the first locking sleeve 143 and the second locking sleeve 144 has threads, the first locking sleeve 143 and the second locking sleeve 144 are combined to form a complete threaded hole, the locking sleeve 140 is divided into the first locking sleeve 143 and the second locking sleeve 144, the locking sleeve 140 and the locking stud 130 can be conveniently matched together, and the first locking sleeve 143 is rotatably disposed on the second locking sleeve 144, so that the applicability of the locking sleeve 140 is increased, and the first locking sleeve 143 only needs to be rotated to a proper position when being matched and installed.
The first locking sleeve 143 and the second locking sleeve 144 are provided with the folio hinge 170, the first locking sleeve 143 can be rotatably arranged on the second locking sleeve 144 through the folio hinge 170, and the first locking sleeve 143 and the second locking sleeve 144 are buckled together through the rotation of the folio hinge 170 in the assembling process of the first locking sleeve 143 and the second locking sleeve 144, so that the structure is simple and reliable.
The first locking sleeve 143 or/and the second locking sleeve 144 are further provided with a fixing lug 160 for locking the first locking sleeve 143 and the second locking sleeve 144, the fixing lug 160 may be disposed on at least one of the first locking sleeve 143 and the second locking sleeve 144, the first locking sleeve 143 and the second locking sleeve 144 are fixed by the fixing lug 160, and the fixed locking sleeve 140 may enable the locking stud 130 to be stably screwed in the locking sleeve 140, so that loosening is not generated, and the thread does not fail.
The labor-saving wrench assembly 100 according to the present invention has the characteristics of wide application range, simple and reliable structure and good labor-saving effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (5)
1. A labor saving wrench assembly, comprising:
a first wrench, one end of the first wrench being adapted to fit over the nut;
a second wrench, one end of the second wrench being adapted to fit over a bolt;
a first locking member rotatably provided on one of the other end of the first wrench and the other end of the second wrench;
a second locker rotatably provided on the other of the other end of the first wrench and the other end of the second wrench; wherein
The first locking member is in threaded engagement with the second locking member to drive the first wrench or the second wrench to rotate when the first locking member or the second locking member is rotated;
the first locking piece is a locking stud, and the second locking piece is a locking sleeve;
the locking stud is rotatably arranged on one of the other end of the first wrench and the other end of the second wrench, a threaded hole matched with the locking stud is formed in the locking sleeve, and the locking sleeve is rotatably arranged on the other of the other end of the first wrench and the other end of the second wrench; the locking sleeve includes: first locking sleeve and second locking sleeve, first locking sleeve with second locking sleeve prescribes a limit to the screw hole, first locking sleeve rotationally sets up on the second locking sleeve, first locking sleeve with be provided with the hinge of running from opposite directions between the second locking sleeve, first locking sleeve or/and second locking sleeve still be provided with be used for with first locking sleeve with the fixed auricle of second locking sleeve locking.
2. The power saving wrench assembly of claim 1, further comprising: a boost handle disposed on at least one of the locking stud and the locking sleeve.
3. The power saving wrench assembly of claim 2, wherein there are two of the assist handles, and both of the assist handles are disposed on the locking sleeve and face each other.
4. A labor saving wrench assembly as claimed in claim 1, wherein the locking stud is provided with a first hook and the first wrench is provided with a first mounting hole for engaging with the first hook;
the locking sleeve is provided with a second hook, and the second wrench is provided with a second mounting hole matched with the second hook.
5. A power saving wrench assembly as claimed in claim 4, in which the second hook is secured to the locking sleeve by a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016236.2A CN109079692B (en) | 2018-01-08 | 2018-01-08 | Labor-saving wrench assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016236.2A CN109079692B (en) | 2018-01-08 | 2018-01-08 | Labor-saving wrench assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109079692A CN109079692A (en) | 2018-12-25 |
| CN109079692B true CN109079692B (en) | 2021-01-26 |
Family
ID=64839545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810016236.2A Active CN109079692B (en) | 2018-01-08 | 2018-01-08 | Labor-saving wrench assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109079692B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442086A (en) * | 2021-05-31 | 2021-09-28 | 常州工学院 | Double-layer reverse driving wrench |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US378299A (en) * | 1888-02-21 | Wrench | ||
| US5062326A (en) * | 1990-11-21 | 1991-11-05 | Goldschmidt Steven H | Power-driven or manually-operated wrench puller for tightening or loosening threadedly-engaged work pieces |
| US5251876A (en) * | 1991-09-12 | 1993-10-12 | Stallings Hulon D | Drive for a tire lift mechanism and method for assembling same |
| DE102005003762A1 (en) * | 2005-01-27 | 2006-08-10 | Hn-Systemtechnik Gbr | Unscrewing tool for screw connections, has two gripping units with lever sections and gripping devices that are used for gripping screw and counter screw, where lever sections are connected with one another by coupling unit |
| DE202008008446U1 (en) * | 2008-06-24 | 2009-11-05 | Liebherr-Hydraulikbagger Gmbh | Tool for screwing a piston on the piston rod of a hydraulic cylinder and hydraulic cylinder |
| GB201001430D0 (en) * | 2010-01-29 | 2010-03-17 | Downey Graham | Improvement in and relating to tools |
| US9157818B2 (en) * | 2012-06-11 | 2015-10-13 | Thru Tubing Solutions, Inc. | Portable torque measurement and notification system and method of using same |
| CN206228785U (en) * | 2016-11-21 | 2017-06-09 | 柏俊鹤 | A kind of railing expanding rescuing device |
| CN206393536U (en) * | 2016-12-16 | 2017-08-11 | 国家电网公司 | A kind of electric operating double-hook wire grip |
| CN107175595B (en) * | 2017-05-16 | 2018-08-14 | 安徽世绿环保科技有限公司 | A kind of Clean- vibration damping securing supports of pipeline processing |
-
2018
- 2018-01-08 CN CN201810016236.2A patent/CN109079692B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109079692A (en) | 2018-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2523405C2 (en) | Low-profile wrench | |
| US8465242B2 (en) | Fastener for strut channel | |
| US7721627B2 (en) | Attachments for power tools | |
| CN201695831U (en) | Hinge device for refrigerators | |
| US8475101B2 (en) | Locking screw | |
| US8991847B2 (en) | Quick release structure for a bicycle | |
| CN109079692B (en) | Labor-saving wrench assembly | |
| JP6096420B2 (en) | Lock nut | |
| US8556559B2 (en) | Connection assembly | |
| CN110725847A (en) | Anti-loosening screw fastener | |
| US20210062859A1 (en) | Universal Connector | |
| JP2014173639A (en) | Coupling device and its nut attaching/detaching jig used for assembling/disassembling the same | |
| US20080135707A1 (en) | Locking device for computer equipment extension arm | |
| US9970592B2 (en) | Detachable mounting device | |
| CN109129280B (en) | Wrench assembly | |
| CN213478906U (en) | Retaining structure | |
| AU2018102124A4 (en) | Connection lock for use with LED display screen case body | |
| CN210978142U (en) | Nut and pre-installation screw connection structure | |
| CN210531385U (en) | Novel combined type locknut and auxiliary locking device | |
| CN209855445U (en) | Locking device and electrical cabinet | |
| US8162580B2 (en) | Anti-theft fastener | |
| US9441400B2 (en) | Closure latch | |
| CN211448110U (en) | Adjustable door lock | |
| US20140099173A1 (en) | Nut | |
| CN215409522U (en) | Combined locking structure of piston |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |