CN104959942A - Nut dismounting and mounting tool - Google Patents
Nut dismounting and mounting tool Download PDFInfo
- Publication number
- CN104959942A CN104959942A CN201510449798.2A CN201510449798A CN104959942A CN 104959942 A CN104959942 A CN 104959942A CN 201510449798 A CN201510449798 A CN 201510449798A CN 104959942 A CN104959942 A CN 104959942A
- Authority
- CN
- China
- Prior art keywords
- nut
- drive rod
- shell body
- dismounting tool
- connecting rod
- 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.)
- Granted
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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
-
- 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
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention provides a nut dismounting and mounting tool. The nut dismounting and mounting tool comprises a ratchet wrench, a connecting rod, a driving rod and a sleeve-joint portion. A first end of the connecting rod is connected with a first end of the ratchet wrench. A first end of the driving rod is in transmission connection with a second end of the connecting rod. The sleeve-joint part is used for dismounting a nut and detachably mounted to a second end of the driving rod. When the nut is dismounted and mounted, the ratchet wrench is rotated to drive the connecting rod to rotate. The rotation of the connecting shaft drives the driving rod to rotate. When the driving rod rotates, the sleeve-joint portion installed at the second end of the driving rod rotates. The rotation of the sleeve-joint portion drives the nut, in sleeve joint with the sleeve-joint portion in matching mode, to rotate. The nut dismounting and mounting tool has following beneficial effects: transmission force between the connecting rod and the driving rod is utilized for dismount and mount the nut such that dismounting and mounting speed of the nut is increased and dismounting and mounting efficiency of the nut is improved.
Description
Technical field
The present invention relates to a kind of specific purpose tool, especially relate to a kind of nut dismounting tool.
Background technology
Damper belongs to the rapid wear accessory of automobile, often needs to change.When changing damper, the method for the upper end hold-down nut of dismounting vibration damper assembly is traditionally: fix piston rod with an outer-hexagonal head spanner, then remove nutting with a spanner.Because needs use two spanners simultaneously, and two spanners must be worked good and the upper end hold-down nut on vibration damper assembly can be removed, and therefore, the speed of dismounting nut is very slow, and efficiency is very low.
Summary of the invention
In order to improve the speed of dismounting nut, and promoting the efficiency of dismounting nut, the invention provides a kind of nut dismounting tool.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
According to one aspect of the present invention, provide a kind of nut dismounting tool, described nut dismounting tool comprises:
Ratchet spanner;
Connecting rod, the first end of described connecting rod is connected with the first end of described ratchet spanner;
Drive rod, the first end of described drive rod and the second end of described connecting rod are in transmission connection;
For dismantling the socket part of nut, dismountable the second end being installed on described drive rod in described socket part, wherein,
When dismounting nut, rotating ratchet spanner, ratchet spanner rotating band be dynamically connected bar rotate, connecting rod rotates and drives drive rod to rotate, when drive rod rotates, the socket part being installed on drive rod second end place is rotated, and socket part is rotated to drive and coordinated with described socket part the nut rotation be socketed.
Optionally, the second end fixed cover of described connecting rod is provided with the first helical gear, and the first end fixed cover of described drive rod is provided with the second helical gear, and described connecting rod and described drive rod to be helical gearly connected by meshing transmission by described first helical gear and second.
Optionally, described nut dismounting tool also comprises a hollow housing, the second hollow shell body that described hollow housing comprises the first hollow shell body and is connected with described first hollow shell body, described first hollow shell body is socketed on described first helical gear, described second hollow shell body is socketed on described second helical gear, and described first hollow shell body all offers a through hole with the position corresponding with described first helical gear and the second helical gear place of being connected by meshing transmission on described second hollow shell body.
Optionally, described nut dismounting tool also comprises a loop bar, described loop bar is cylindric, described drive rod is hollow drive rod, the hollow diameters of described hollow drive rod is greater than the excircle diameter of described loop bar, described loop bar is inserted in described drive rod along the axial direction of described drive rod, and the first end of described loop bar is fixedly connected with described second hollow shell body.
Optionally, the first end of described loop bar is provided with a brace in mating connection with described second hollow shell body, and described brace is connected in described second hollow shell body by threaded engagement.
Optionally, described nut dismounting tool also comprises one for the fixed part of fixing piston lever of reducer, and the second end of described loop bar is provided with a general connecting hole, is enclosed within described general connecting hole in described fixed part.
Optionally, described fixed part is that outer-hexagonal is pullover.
Optionally, described nut dismounting tool also comprises a Compress Spring, is enclosed within the general connecting hole of described loop bar in described Compress Spring, and described Compress Spring is positioned at the inner side of described fixed part and abuts against with described fixed part.
Optionally, described nut dismounting tool also comprises a bearing, and the inner ring of described bearing and the second end of described connecting rod are connected, and the outer ring of described bearing coordinates with described first hollow shell body and is fixedly connected with.
Optionally, the first end of described ratchet spanner is provided with one first tetragonal prism connector, it is pullover that the first end of described connecting rod is provided with an interior four directions coordinated with described first tetragonal prism connector, and the first end of described connecting rod is fixedly connected with the first coordinating of tetragonal prism connector by described interior four directions is pullover with the first end of described ratchet spanner.
Optionally, described socket part is that interior hexagonal is pullover, the pullover first end of described interior hexagonal is interior tetragonal, pullover the second end of described interior hexagonal is interior hexagonal structure, second end place of described drive rod is provided with a second tetragonal prism connector be connected with described interior tetragonal, and the pullover first end of described interior hexagonal coordinates and is installed on described second tetragonal prism connector.
The invention has the beneficial effects as follows:
A kind of nut dismounting tool provided by the invention, comprises ratchet spanner, the connecting rod be connected with ratchet spanner, the drive rod be in transmission connection with connecting rod and the socket part be arranged on drive rod.When with this nut dismounting tool dismounting nut, first rotating ratchet spanner, then the connecting rod be connected with ratchet spanner rotates, the drive rod that last and connecting rod is in transmission connection rotates, when drive rod rotates, the socket part be arranged on drive rod is rotated, and then drives the nut rotation of socket part socket, now, nut or hold-down nut can be dismantled according to demand.Nut dismounting tool provided by the invention, can utilize the driving force between connecting rod and drive rod to carry out dismounting to nut, improve the dismounting speed of nut, and improve the efficiency of dismounting nut.
Accompanying drawing explanation
Fig. 1 represents the general assembly schematic diagram of nut dismounting tool in embodiments of the invention;
Fig. 2 represents the exploded perspective view of nut dismounting tool in embodiments of the invention;
Fig. 3 represents the schematic diagram that in embodiments of the invention, connecting rod and drive rod are in transmission connection;
Fig. 4 represents in Fig. 3 the enlarged diagram at the place that is in transmission connection;
Fig. 5 represents in embodiments of the invention the schematic diagram being provided with the pullover loop bar of outer-hexagonal;
Fig. 6 represents the schematic diagram of Compress Spring in embodiments of the invention;
Fig. 7 represents the schematic diagram that in embodiments of the invention, outer-hexagonal is pullover;
Fig. 8 represents the schematic diagram of connecting rod in embodiments of the invention; And
Fig. 9 represents the schematic diagram of drive rod in embodiments of the invention.
Wherein in figure:
1, ratchet spanner; 2, connecting rod; 3, drive rod; 4, socket part; 5, hollow housing; 6, loop bar; 7, fixed part; 8, Compress Spring; 9, bearing;
11, the first tetragonal prism connector;
21, the first helical gear; 22, interior four directions is pullover;
31, the second helical gear; 32, the second tetragonal prism connector; 33, ball;
51, the first hollow shell body; 52, the second hollow shell body;
61, brace; 62, general connecting hole.
Detailed description of the invention
Below with reference to accompanying drawings exemplary embodiment disclosed by the invention is described in more detail.Although show exemplary embodiment disclosed by the invention in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
As shown in Figure 1, in one embodiment of the invention, nut dismounting tool comprises ratchet spanner 1, connecting rod 2, drive rod 3 and the socket part 4 for dismounting nut, wherein, the first end of connecting rod 2 is connected with the first end of ratchet spanner 1, the first end of drive rod 3 and the second end of connecting rod 2 are in transmission connection, dismountable the second end being installed on drive rod 3 in socket part 4.
When with this nut dismounting tool dismounting nut, first rotating ratchet spanner 1, the ratchet spanner 1 rotating band bar 2 that is dynamically connected rotates, connecting rod 2 rotates and drives drive rod 3 to rotate, drive rod 3 rotates and drives the socket part 4 being installed on the second end place on drive rod 3 to rotate, the nut rotation driving and be socketed on socket part 4 is rotated in socket part 4, during nut rotation, can dismantle nut or hold-down nut according to demand.The present embodiment utilizes the driving force between connecting rod 2 and drive rod 3 to carry out dismounting to nut, improves the dismounting speed of nut, and improves the efficiency of dismounting nut.
As shown in Figure 2 to 4, in another embodiment of the present invention, connecting rod 2 and being in transmission connection of drive rod 3 can be connected by meshing transmission to helical gear for alternating axis.Wherein, the second end fixed cover of connecting rod 2 is provided with the first helical gear 21, and the first end fixed cover of drive rod 3 is provided with the second helical gear 31, and connecting rod 2 and drive rod 3 are by being connected by meshing transmission between the first helical gear 21 and the second helical gear 31.
In the present embodiment, helical gear is utilized to be connected by meshing transmission between connecting rod 2 and drive rod 3, concrete, when the first helical gear 21 rotates, rely on the engagement force between the first helical gear 21 and the second helical gear 31, first helical gear 21 drives the second helical gear 31 to rotate, thus the drive rod 3 driving fixed cover to be provided with the second helical gear 31 rotates.
Continue see Fig. 2, in another embodiment of the present invention, nut dismounting tool also comprises a hollow housing 5.The second hollow shell body 52 that hollow housing 5 comprises the first hollow shell body 51 and is connected with the first hollow shell body 51, wherein, first hollow shell body 51 is socketed on the first helical gear 21, second hollow shell body 52 is socketed on the second helical gear 31, and engaged transmission between the first helical gear 21 and the second helical gear 31 can not be affected in order to make the first hollow shell body 51 of being socketed on the first helical gear 21 and the second hollow shell body 52 of being socketed on the second helical gear 31, position corresponding with the place of being connected by meshing transmission of the first helical gear 21 and the second helical gear 31 on the first hollow shell body 51 with the second hollow shell body 52 is provided with a through hole (not shown).
In the present embodiment, hollow housing 5 serves protective effect to the first helical gear 21 and the second helical gear 31, makes the first helical gear 21 and the second helical gear 31 can not be outside exposed.
See Fig. 2 and Fig. 5 ~ Fig. 7, in another embodiment of the present invention, nut dismounting tool also comprises a loop bar 6, and loop bar 6 is in cylindric, concrete, and in order to alleviate the weight of loop bar 6, loop bar 6 also can be hollow sleeve bar.Loop bar 6 is for being connected with drive rod 3, wherein, drive rod 3 is hollow drive rod, and the hollow diameters of drive rod 3 is greater than the excircle diameter of loop bar 6, loop bar 6 is inserted in drive rod 3 along the axial direction of drive rod 3, the first end of loop bar 6 is fixedly connected with the second hollow shell body 52 of hollow housing 5, and the second end of loop bar 6 is fixedly connected with one for the fixed part 7 of fixing piston lever of reducer.Concrete, fixed part 7 can be that outer-hexagonal is pullover.
Concrete, the first end place of loop bar 6 can be provided with one and second brace 61 that be connected of hollow shell body 52, and loop bar 6 and the second hollow shell body 52 can be fixedly connected with by the screw joining manner between brace 61 and the second hollow shell body 52.In addition, the second end place of loop bar 6 can be provided with a general connecting hole 62, is enclosed within general connecting hole 62 in fixed part 7.Optionally, when fixed part 7 be outer-hexagonal pullover time, the inwall of general connecting hole 62 is the pullover hexagonal structure be connected with outer-hexagonal, outer-hexagonal pullover can by with the matching relationship of hexagonal structure in be enclosed within general connecting hole 62.
In the present embodiment, loop bar 6 is plugged in the inside of drive rod 3 and is fixed on the second hollow shell body 52 of hollow housing 5 by brace 61, when the second helical gear 31 drives drive rod 3 to rotate, because loop bar 6 is just through the inside of drive rod 3, and be not connected with drive rod 3, therefore loop bar 6 can't rotate with drive rod 3, and accordingly, the fixed part 7 be socketed on loop bar 6 in general connecting hole 62 can not rotate with drive rod 3 equally.Therefore, when carrying out dismounting with the upper end hold-down nut of this nut dismounting instrument to vibration damper assembly, first can fix piston lever of reducer with fixed part 7, then using socket part 4 rotating nut.
In the present embodiment, nut dismounting tool can fix piston lever of reducer and rotating nut simultaneously, and fix piston lever of reducer without the need to spanner of selecting extra again, change existing when dismantling the nut on vibration damper assembly, first fix piston rod with an outer-hexagonal head spanner, use the present situation of a spanner nutting again, improve the speed of dismounting nut, and improve the efficiency of dismounting nut.
Concrete, in order to improve the flexibility of fixed part 7 when fixing piston lever of reducer, make fixed part 7 can have activity in the general connecting hole 62 of loop bar 6, can in general connecting hole 62 first inner sleeve one Compress Spring 8, and then in general connecting hole 62 inner sleeve fixed part 7, and Compress Spring 8 and fixed part 7 abut against.
See Fig. 2 and Fig. 8, in another embodiment of the present invention, connecting rod 2 is fixedly connected with hollow housing 5 with ratchet spanner 1 respectively.Concrete, the first end of ratchet spanner 1 is provided with one first tetragonal prism connector 11, the first end of connecting rod 2 is provided with an interior four directions pullover 22 coordinated with the first tetragonal prism connector 11, wherein, connecting rod 2 is fixedly connected with the first coordinating of tetragonal prism connector 11 by interior four directions pullover 22 with ratchet spanner 1.In addition, nut dismounting tool also comprises a bearing 9, and connecting rod 2 is fixedly connected with hollow housing 5 by bearing 9, wherein, the inner ring of bearing 9 and the second end of connecting rod 2 are connected, and the outer ring of bearing 9 and the first hollow shell body 51 of hollow shell body 5 are connected.
In the present embodiment, ratchet spanner 1 is fixedly connected with connecting rod 2 by the cooperation of the first quartet connection post 11 with interior four directions pullover 22, when rotating ratchet spanner 1, connecting rod 2 rotates thereupon, now, because the inner ring of bearing 9 and the second end of connecting rod 2 are connected, the outer ring of bearing 9 coordinates with the first hollow shell body 51 and is fixedly connected with, therefore, bearing 9 does not affect the rotation of connecting rod 2, namely the rotation of the first helical gear 21 on connecting rod 2 is not affected, connecting rod 2 has also been fixed on the first hollow shell body 51 by bearing 9 simultaneously, enhance the stationarity of the first helical gear 21 and the second helical gear 31 transmission.
See Fig. 2 and Fig. 9, in another embodiment of the present invention, socket part 4 can be that interior hexagonal is pullover, pullover the second end place being socketed in drive rod 3 of interior hexagonal, wherein, the pullover first end of interior hexagonal is interior tetragonal, pullover the second end of interior hexagonal is interior hexagonal structure, second end place of drive rod 3 is provided with a second tetragonal prism connector 32 be connected with interior tetragonal, when by pullover for interior hexagonal being arranged on drive rod 3, the pullover first end of interior hexagonal coordinates and is arranged on the second tetragonal prism connector 32.Concrete, in order to increase the pullover assembling fastness with the second tetragonal prism connector 32 of interior hexagonal, the second tetragonal prism connector 32 can be provided with multiple ball 33.
Nut dismounting tool provided by the invention, the fixed part on the loop bar be fixedly connected with the second hollow shell body can be utilized on the one hand to fix piston lever of reducer, can to utilize on the other hand on connecting rod the second helical gear engaged transmission relation on the first helical gear and drive rod that the socket part be detachably arranged on drive rod is rotated, thus make the nut rotation that is socketed with socket part, complete dismounting or the installation of the upper end nut of vibration damper assembly.Nut dismounting tool provided by the invention can fix piston lever of reducer and rotating nut simultaneously, when noting be used in the nut on dismounting vibration damper assembly, first fix piston rod with an outer-hexagonal head spanner, use a spanner nutting again, this improves the dismounting speed of nut and improve the dismounting efficiency of nut.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a nut dismounting tool, is characterized in that, described nut dismounting tool comprises:
Ratchet spanner;
Connecting rod, the first end of described connecting rod is connected with the first end of described ratchet spanner;
Drive rod, the first end of described drive rod and the second end of described connecting rod are in transmission connection;
For dismantling the socket part of nut, dismountable the second end being installed on described drive rod in described socket part, wherein,
When dismounting nut, rotating ratchet spanner, ratchet spanner rotating band be dynamically connected bar rotate, connecting rod rotates and drives drive rod to rotate, when drive rod rotates, the socket part being installed on drive rod second end place is rotated, and socket part is rotated to drive and coordinated with described socket part the nut rotation be socketed.
2. nut dismounting tool according to claim 1, it is characterized in that, second end fixed cover of described connecting rod is provided with the first helical gear, the first end fixed cover of described drive rod is provided with the second helical gear, and described connecting rod and described drive rod to be helical gearly connected by meshing transmission by described first helical gear and second.
3. nut dismounting tool according to claim 2, it is characterized in that, described nut dismounting tool also comprises a hollow housing, the second hollow shell body that described hollow housing comprises the first hollow shell body and is connected with described first hollow shell body, described first hollow shell body is socketed on described first helical gear, described second hollow shell body is socketed on described second helical gear, and described first hollow shell body all offers a through hole with the position corresponding with described first helical gear and the second helical gear place of being connected by meshing transmission on described second hollow shell body.
4. nut dismounting tool according to claim 3, it is characterized in that, described nut dismounting tool also comprises a loop bar, described loop bar is cylindric, described drive rod is hollow drive rod, the hollow diameters of described hollow drive rod is greater than the excircle diameter of described loop bar, and described loop bar is inserted in described drive rod along the axial direction of described drive rod, and the first end of described loop bar is fixedly connected with described second hollow shell body.
5. nut dismounting tool according to claim 4, is characterized in that, the first end of described loop bar is provided with a brace in mating connection with described second hollow shell body, and described brace is connected in described second hollow shell body by threaded engagement.
6. nut dismounting tool according to claim 5, it is characterized in that, described nut dismounting tool also comprises one for the fixed part of fixing piston lever of reducer, and the second end of described loop bar is provided with a general connecting hole, is enclosed within described general connecting hole in described fixed part.
7. nut dismounting tool according to claim 6, is characterized in that, described fixed part is that outer-hexagonal is pullover.
8. nut dismounting tool according to claim 6, it is characterized in that, described nut dismounting tool also comprises a Compress Spring, is enclosed within the general connecting hole of described loop bar in described Compress Spring, and described Compress Spring is positioned at the inner side of described fixed part and abuts against with described fixed part.
9. nut dismounting tool according to claim 3, it is characterized in that, described nut dismounting tool also comprises a bearing, and the inner ring of described bearing and the second end of described connecting rod are connected, and the outer ring of described bearing coordinates with described first hollow shell body and is fixedly connected with.
10. nut dismounting tool according to claim 1, it is characterized in that, the first end of described ratchet spanner is provided with one first tetragonal prism connector, it is pullover that the first end of described connecting rod is provided with an interior four directions coordinated with described first tetragonal prism connector, and the first end of described connecting rod is fixedly connected with the first coordinating of tetragonal prism connector by described interior four directions is pullover with the first end of described ratchet spanner.
11. nut dismounting tools according to claim 1, it is characterized in that, described socket part is that interior hexagonal is pullover, the pullover first end of described interior hexagonal is interior tetragonal, pullover the second end of described interior hexagonal is interior hexagonal structure, second end place of described drive rod is provided with a second tetragonal prism connector be connected with described interior tetragonal, and the pullover first end of described interior hexagonal coordinates and is installed on described second tetragonal prism connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510449798.2A CN104959942B (en) | 2015-07-28 | 2015-07-28 | Nut dismounting and mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510449798.2A CN104959942B (en) | 2015-07-28 | 2015-07-28 | Nut dismounting and mounting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104959942A true CN104959942A (en) | 2015-10-07 |
| CN104959942B CN104959942B (en) | 2017-05-17 |
Family
ID=54214113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510449798.2A Expired - Fee Related CN104959942B (en) | 2015-07-28 | 2015-07-28 | Nut dismounting and mounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104959942B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563396A (en) * | 2016-03-04 | 2016-05-11 | 江西洪都航空工业集团有限责任公司 | Special screw cap tightening combined tool |
| CN107186470A (en) * | 2017-07-05 | 2017-09-22 | 郑州云海信息技术有限公司 | A kind of monoblock type dismantling device |
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| US4680994A (en) * | 1985-06-20 | 1987-07-21 | Sidewinder Products Corporation | Socket wrench with reversing ratchet |
| CN86210133U (en) * | 1986-12-08 | 1988-03-16 | 钟华庆 | Railway spanner |
| CN201168946Y (en) * | 2008-02-29 | 2008-12-24 | 单悌富 | Deviator of socket wrench |
| CN201537891U (en) * | 2009-12-14 | 2010-08-04 | 冉来明 | Normal axis wrench suitable for a small operation space |
| CN202169552U (en) * | 2011-07-27 | 2012-03-21 | 陈国桥 | Quick socket wrench |
| CN204893782U (en) * | 2015-07-28 | 2015-12-23 | 北京汽车研究总院有限公司 | Nut assembly and disassembly tools |
-
2015
- 2015-07-28 CN CN201510449798.2A patent/CN104959942B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4680994A (en) * | 1985-06-20 | 1987-07-21 | Sidewinder Products Corporation | Socket wrench with reversing ratchet |
| CN86210133U (en) * | 1986-12-08 | 1988-03-16 | 钟华庆 | Railway spanner |
| CN201168946Y (en) * | 2008-02-29 | 2008-12-24 | 单悌富 | Deviator of socket wrench |
| CN201537891U (en) * | 2009-12-14 | 2010-08-04 | 冉来明 | Normal axis wrench suitable for a small operation space |
| CN202169552U (en) * | 2011-07-27 | 2012-03-21 | 陈国桥 | Quick socket wrench |
| CN204893782U (en) * | 2015-07-28 | 2015-12-23 | 北京汽车研究总院有限公司 | Nut assembly and disassembly tools |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563396A (en) * | 2016-03-04 | 2016-05-11 | 江西洪都航空工业集团有限责任公司 | Special screw cap tightening combined tool |
| CN107186470A (en) * | 2017-07-05 | 2017-09-22 | 郑州云海信息技术有限公司 | A kind of monoblock type dismantling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104959942B (en) | 2017-05-17 |
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Effective date of registration: 20200828 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Patentee after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Patentee before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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Granted publication date: 20170517 |
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