CN110370210B - Direction changing device for wrench - Google Patents
Direction changing device for wrench Download PDFInfo
- Publication number
- CN110370210B CN110370210B CN201910466937.0A CN201910466937A CN110370210B CN 110370210 B CN110370210 B CN 110370210B CN 201910466937 A CN201910466937 A CN 201910466937A CN 110370210 B CN110370210 B CN 110370210B
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- CN
- China
- Prior art keywords
- handle
- locking
- wrench
- sleeve
- spanner
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- 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
-
- 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
- B25B23/0007—Connections or joints between tool parts
- B25B23/0021—Prolongations interposed between handle and tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a direction changing device for a wrench, and belongs to the technical field of tools. The wrench turning device comprises a handle, a connecting assembly and two locking assemblies, wherein the connecting assembly comprises a wrench sleeve and a connecting piece, and the connecting piece and the handle are installed together through a fixing piece. The included angle of connecting piece and handle is adjusted through the mounting to through the mounting locking, thereby the sheathed tube locking angle of adjustment spanner, so that subsequent the twisting operation of operating personnel, utilize locking Assembly locking spanner handle at last. The device makes the spanner can be applicable to the fastener of twisting in the narrow and small space, has improved the suitability of spanner.
Description
Technical Field
The invention belongs to the technical field of tools, and particularly relates to a wrench direction changing device.
Background
In the field of mechanical assembly, a wrench is a common mounting and dismounting tool. The handle mainly comprises an opening end matched with fasteners such as bolts, screws, nuts and the like and a handle connected to the opening end. When the handle is used, the opening end is sleeved on the fastener, and the handle is screwed by utilizing the lever principle, so that the installation and the disassembly of the fasteners are realized.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
when fastener setting was in narrow and small space, operating personnel often was difficult for stretching into wherein to twist the spanner with the hand, leads to the spanner can't be applicable to this kind of operating mode, and the suitability is less strong.
Disclosure of Invention
The embodiment of the invention provides a direction changing device for a wrench, so that the wrench can be suitable for screwing a fastener in a narrow space, and the applicability of the wrench is improved. The technical scheme is as follows:
the embodiment of the invention provides a wrench turning device which comprises a handle, a connecting assembly and two locking mechanisms, wherein the connecting assembly comprises a wrench sleeve and a connecting piece, one end of the connecting piece is in running fit with the handle and is fixedly installed through a fixing piece, the other end of the connecting piece is connected with the wrench sleeve, the locking mechanisms are installed on the wrench sleeve, and the locking mechanisms are used for fixing the wrench handle in the wrench sleeve.
Furthermore, the locking mechanism comprises a locking screw and a locking sleeve, a sliding barrel is arranged on the outer wall of the wrench sleeve, the sliding barrel extends along the radial direction of the wrench sleeve, the locking sleeve can be inserted into the sliding barrel in a sliding manner along the axial direction of the sliding barrel, the locking screw is rotatably inserted into the sliding barrel, the locking screw is coaxially inserted into the locking sleeve, and the locking screw is in threaded fit with the locking sleeve.
Furthermore, a check ring is arranged at one end, far away from the wrench sleeve, of the sliding barrel, the inner edge of the check ring is in running fit with the locking screw, and the inner diameter of the check ring is smaller than the outer diameter of the locking sleeve.
Further, the locking mechanism further comprises a plurality of mounting screws, each of the mounting screws is arranged along the circumferential direction of the retainer ring, and the retainer ring is fixedly mounted on the sliding cylinder through each of the mounting screws.
Furthermore, one end of the locking sleeve is provided with an oval groove, and the oval groove is used for abutting against the wrench handle.
Furthermore, the connecting piece comprises two connecting blocks, the two connecting blocks are arranged on the outer wall of the wrench sleeve at intervals, and the handle is rotatably inserted between the two connecting blocks and fixedly installed through the fixing piece.
Furthermore, the handle comprises a handle rod and a connecting plate, one end of the handle rod is connected with the connecting plate, and the connecting plate is rotatably inserted between the two connecting blocks and fixedly installed through the fixing piece.
Further, the fixing piece comprises a bolt and a nut, the bolt is arranged along the radial direction of the wrench sleeve, and the bolt penetrates through the two connecting blocks and the connecting plate and is connected with the nut.
Further, the handle also comprises a handle, and the handle is vertically connected with the other end of the handle rod.
Furthermore, the handle rod comprises a first adjusting rod and a second adjusting rod, an adjusting stud is coaxially arranged at one end of the first adjusting rod, an adjusting screw hole is coaxially arranged at one end of the second adjusting rod, and the adjusting stud is in threaded connection with the adjusting screw hole.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
through setting up spanner deviator, the device includes handle, coupling assembling and two locking mechanical system, and coupling assembling includes spanner sleeve pipe and connecting piece, is in the same place through the mounting between connecting piece and the handle. When the wrench is actually used, the wrench sleeve is sleeved on the wrench handle, and the wrench handle is locked and fixed in the wrench sleeve through the locking mechanism. Then according to the demand, adjust the contained angle between connecting piece and the handle to the subsequent twisting operation of operating personnel. After the included angle is adjusted, the connecting piece and the handle are locked through the fixing piece, and therefore the included angle between the handle of the wrench and the handle is determined. That is to say, when operating personnel twisted fasteners such as bolts in narrow and small space, can utilize spanner turning device to stretch out narrow and small space with operation end (the part that operating personnel actually held), so the spanner handle has been prolonged in other words to make the spanner can be applicable to and twist the fastener in the narrow and small space, improved the suitability of spanner.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wrench turning device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a locking mechanism provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a locking screw provided by an embodiment of the present invention;
fig. 4 is a side view of a wrench turning device according to an embodiment of the present invention.
The symbols in the drawings represent the following meanings:
1. a handle; 11. a handle bar; 12. a connecting plate; 13. a handle; 111. a first adjusting lever; 112. a second adjusting lever; 1111. adjusting the stud; 1121. adjusting the screw hole; 2. a connecting assembly; 21. a wrench sleeve; 22. a connecting member; 221. connecting blocks; 3. a locking mechanism; 31. locking the screw; 311. a groove; 32. a locking sleeve; 33. a slide cylinder; 34. a retainer ring; 35. mounting screws; 36. an elliptical groove; 4. a fixing member; 41. a bolt; 42. and (4) a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a wrench turning device according to an embodiment of the present invention, and as shown in fig. 1, the wrench turning device includes a handle 1, a connecting assembly 2, and two locking mechanisms 3, where the connecting assembly 2 includes a wrench socket 21 and a connecting member 22, one end of the connecting member 22 is rotatably fitted to the handle 1 and fixedly mounted through a fixing member 4, the other end of the connecting member 22 is connected to the wrench socket 21, the locking mechanism 3 is mounted on the wrench socket 21, and the locking mechanism 3 is used to fix the wrench handle in the wrench socket 21.
The wrench turning device comprises a handle, a connecting assembly and two locking mechanisms, wherein the connecting assembly comprises a wrench sleeve and a connecting piece, and the connecting piece and the handle are installed together through a fixing piece. When the wrench is actually used, the wrench sleeve is sleeved on the wrench handle, and the wrench handle is locked and fixed in the wrench sleeve through the locking mechanism. Then according to the demand, adjust the contained angle between connecting piece and the handle to the subsequent twisting operation of operating personnel. After the included angle is adjusted, the connecting piece and the handle are locked through the fixing piece, and therefore the included angle between the handle of the wrench and the handle is determined. That is to say, when operating personnel twisted fasteners such as bolts in narrow and small space, can utilize spanner turning device to stretch out narrow and small space with operation end (the part that operating personnel actually held), so the spanner handle has been prolonged in other words to make the spanner can be applicable to and twist the fastener in the narrow and small space, improved the suitability of spanner.
Fig. 2 is a cross-sectional view of a locking mechanism provided in an embodiment of the present invention, and as shown in fig. 2, the locking mechanism 3 includes a locking screw 31 and a locking sleeve 32, a sliding barrel 33 is provided on an outer wall of the wrench socket 21, the sliding barrel 33 extends along a radial direction of the wrench socket 21, the locking sleeve 32 is axially slidably inserted into the sliding barrel 33 along the sliding barrel 33, the locking screw 31 is rotatably inserted into the sliding barrel 33, the locking screw 31 is coaxially inserted into the locking sleeve 32, and the locking screw 31 is in threaded engagement with the locking sleeve 32.
In the above embodiment, since the locking screw 31 can only rotate but not move axially in the sliding barrel 33, and the locking sleeve 32 can only move axially but not rotate in the sliding barrel 33, when the locking screw 31 is rotated, the locking sleeve 32 will move axially along the sliding barrel 33 under the action of the thread fit, so as to press the wrench handle inserted in the wrench socket 21, and thus the wrench handle can be fixed. Preferably, the wrench socket 21 is a cylindrical tube.
Illustratively, the wrench socket 21 can rotate freely around the wrench handle to meet the operation requirement of narrow space.
Further, a retainer ring 34 is disposed on an end of the slide cylinder 33 away from the wrench socket 21, an inner edge of the retainer ring 34 is rotatably engaged with the locking screw 31, and an inner diameter of the retainer ring 34 is smaller than an outer diameter of the locking sleeve 32.
In the above embodiment, the retainer ring 34 is used to limit the axial movement of the locking screw 31, preventing the locking screw 31 from being disengaged from the wrench socket 21.
Illustratively, fig. 3 is a cross-sectional view of the locking screw, and as shown in fig. 3, the upper end of the locking screw 31 is provided with a groove 311 along the axial circumference of the locking screw 31, and the inner edge of the retainer ring 34 is slidably fitted in the groove 311, thereby ensuring the free rotation of the locking screw 31 by both restricting the axial movement of the locking screw 31.
Further, the locking mechanism 3 further includes a plurality of mounting screws 35, each mounting screw 35 is disposed along a circumferential direction of the retainer ring 34, and the retainer ring 34 is fixedly mounted on the slide cylinder 33 by each mounting screw 35.
In the above embodiment, the mounting screw 35 is used to fix the retainer ring 34.
Referring again to fig. 1, one end of the locking sleeve 32 is provided with an oval recess 36, the oval recess 36 being adapted to abut the wrench handle.
In the above embodiment, the oval recess 36 increases the contact area of the locking sleeve 32 against the wrench handle, facilitating the fastening of the locking wrench handle.
Further, the connecting member 22 includes two connecting blocks 221, the two connecting blocks 221 are spaced apart from each other on the outer wall of the wrench socket 21, and the handle 1 is rotatably inserted between the two connecting blocks 221 and fixedly installed by the fixing member 4.
In the above embodiment, the connection stability can be increased by connecting the connection member 22 and the handle 1 through the two connection blocks 221.
Further, the handle 1 comprises a handle 11 and a connecting plate 12, one end of the handle 11 is connected with the connecting plate 12, and the connecting plate 12 is rotatably inserted between the two connecting blocks 221 and is fixedly installed through the fixing member 4.
In the above embodiment, the connecting plate 12 facilitates the angle adjustment between the handle 1 and the connecting member 22.
Illustratively, the shank 11 and the connecting plate 12 are arranged coaxially and are connected by means of welding.
Further, the fixing member 4 includes a bolt 41 and a nut 42, the bolt 41 is disposed along the wrench socket 21 in a radial direction, and the bolt 41 is connected to the nut 42 through the two connection blocks 221 and the connection plate 12, respectively.
In the above embodiment, the bolt 41 and the nut 42 can not only realize the angle adjustment of the handle 1 and the connection block 221, but also realize the fixed connection of the handle 1 and the connection block 221.
Further, the handle 1 further includes a grip 13, and the grip 13 is perpendicularly connected to the other end of the handle bar 11.
In the above embodiment, the handle 13 facilitates the rotation of the handle 1.
Illustratively, the handle 13 is cylindrical, the handle 11 is connected with the outer wall of the handle 13, and the handle 13 can increase the holding effect of manpower.
Fig. 4 is a side view of the wrench turning device, and as shown in fig. 4, the handle 11 includes a first adjusting rod 111 and a second adjusting rod 112, an adjusting bolt 1111 is coaxially disposed at one end of the first adjusting rod 111, an adjusting screw hole 1121 is coaxially disposed at one end of the second adjusting rod 112, and the adjusting bolt 1111 is in threaded connection with the adjusting screw hole 1121.
In the above embodiment, the first adjustment lever 111 and the second adjustment lever 112 are screwed to adjust the length of the handle 1.
Illustratively, the purpose of changing the length of the handle 1 is achieved by rotating the first adjusting rod 111, i.e. the adjusting stud 1111 is rotated into the adjusting screw hole 1121 of the second adjusting rod 112, so that the first adjusting rod 111 can be adjustably extended into or out of the second adjusting rod 112. When the plane of the rotation direction of the handle 1 of the device is perpendicular to the plane of the rotation direction of the handle of the wrench, the length of the handle 1 is increased, so that the labor-saving function of extending the handle of the wrench can be realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides a spanner turning device, its characterized in that, spanner turning device includes handle (1), coupling assembling (2) and two locking mechanical system (3), coupling assembling (2) are including spanner sleeve pipe (21) and connecting piece (22), connecting piece (22) one end with handle (1) normal running fit just passes through mounting (4) fixed mounting, the other end of connecting piece (22) with spanner sleeve pipe (21) link together, locking mechanical system (3) are installed on spanner sleeve pipe (21), locking mechanical system (3) are arranged in fixing the spanner handle in spanner sleeve pipe (21),
the connecting piece (22) comprises two connecting blocks (221), the two connecting blocks (221) are arranged on the outer wall of the wrench sleeve (21) at intervals, the handle (1) is rotatably inserted between the two connecting blocks (221) and is fixedly installed through the fixing piece (4),
the handle (1) comprises a handle rod (11) and a connecting plate (12), one end of the handle rod (11) is connected with the connecting plate (12), the connecting plate (12) is rotatably inserted between the two connecting blocks (221) and is fixedly installed through the fixing piece (4),
the fixing piece (4) comprises a bolt (41) and a nut (42), the bolt (41) is arranged along the radial direction of the wrench sleeve (21), the bolt (41) respectively penetrates through the two connecting blocks (221) and the connecting plate (12) to be connected with the nut (42),
when in use, the included angle between the connecting piece (22) and the handle (1) is adjusted according to the requirement, after the included angle is adjusted, the connecting piece (22) and the handle (1) are locked through the fixing piece (4),
the locking mechanism (3) comprises a locking screw (31) and a locking sleeve (32), a sliding barrel (33) is arranged on the outer wall of the wrench sleeve (21), the sliding barrel (33) extends along the radial direction of the wrench sleeve (21), the locking sleeve (32) can be axially and slidably inserted in the sliding barrel (33) along the sliding barrel (33), the locking screw (31) can be rotatably inserted in the sliding barrel (33), the locking screw (31) is coaxially inserted in the locking sleeve (32), and the locking screw (31) is in threaded fit with the locking sleeve (32),
the connecting piece (22) and the two locking sleeves (32) are positioned on the same side of the axis of the wrench sleeve (21), and in the axial direction of the wrench sleeve (21), the two locking sleeves (32) are positioned on two sides of the connecting piece (22),
a retainer ring (34) is arranged at one end of the sliding barrel (33) far away from the wrench sleeve (21), the inner edge of the retainer ring (34) is in running fit with the locking screw (31), the inner diameter of the retainer ring (34) is smaller than the outer diameter of the locking sleeve (32),
a groove (311) is arranged on the locking screw (31) along the axial circumference of the locking screw (31), the inner edge of the retainer ring (34) is slidably embedded in the groove (311),
the locking mechanism (3) further comprises a plurality of mounting screws (35), each mounting screw (35) is arranged along the circumferential direction of the retainer ring (34), the retainer ring (34) is fixedly mounted on the sliding cylinder (33) through each mounting screw (35),
the orthographic projection of the head of the locking screw (31) on the retainer ring (34) is at least partially overlapped with the orthographic projection of the head of the mounting screw (35) on the retainer ring (34).
2. The wrench deviator as claimed in claim 1, wherein the locking sleeve (32) is provided with an oval recess (36) at one end, the oval recess (36) being adapted to abut the wrench handle.
3. A wrench deviator as claimed in claim 1, wherein said handle (1) further comprises a grip (13), said grip (13) being perpendicularly connected to the other end of said shank (11).
4. The wrench turning device according to claim 1, wherein the handle rod (11) comprises a first adjusting rod (111) and a second adjusting rod (112), an adjusting screw bolt (1111) is coaxially arranged at one end of the first adjusting rod (111), an adjusting screw hole (1121) is coaxially arranged at one end of the second adjusting rod (112), and the adjusting screw bolt (1111) is in threaded connection with the adjusting screw hole (1121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466937.0A CN110370210B (en) | 2019-05-31 | 2019-05-31 | Direction changing device for wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466937.0A CN110370210B (en) | 2019-05-31 | 2019-05-31 | Direction changing device for wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110370210A CN110370210A (en) | 2019-10-25 |
| CN110370210B true CN110370210B (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910466937.0A Active CN110370210B (en) | 2019-05-31 | 2019-05-31 | Direction changing device for wrench |
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| Country | Link |
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| CN (1) | CN110370210B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2631699Y (en) * | 2003-07-03 | 2004-08-11 | 沈阳二一三电器有限公司 | Multifunctional notch spanner |
| CN2892392Y (en) * | 2006-01-17 | 2007-04-25 | 沈谦 | Arbitrary adjustable internal die nut |
| CN202805021U (en) * | 2012-08-09 | 2013-03-20 | 坤鑫国际有限公司 | Universal spanner |
| CN204053895U (en) * | 2014-07-10 | 2014-12-31 | 陈淑汝 | Adjustable spanner structure |
| CN206952845U (en) * | 2017-05-05 | 2018-02-02 | 芜湖协航测控技术有限公司 | One kind can turning wrench structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202817593U (en) * | 2012-07-16 | 2013-03-20 | 成都思茂科技有限公司 | Circuit hardware bolt fastener |
| CN204171927U (en) * | 2014-10-30 | 2015-02-25 | 湖北中烟工业有限责任公司 | A kind of adjustable " F " type tap wrench |
| US20180281159A1 (en) * | 2017-03-28 | 2018-10-04 | Thomas Carnesi | Three jaw adjustable socket ratchet wrench |
| CN207223904U (en) * | 2017-09-19 | 2018-04-13 | 深圳市太科检测有限公司 | A kind of hand held auxiliary holding device for small ultrasonic transducer |
-
2019
- 2019-05-31 CN CN201910466937.0A patent/CN110370210B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2631699Y (en) * | 2003-07-03 | 2004-08-11 | 沈阳二一三电器有限公司 | Multifunctional notch spanner |
| CN2892392Y (en) * | 2006-01-17 | 2007-04-25 | 沈谦 | Arbitrary adjustable internal die nut |
| CN202805021U (en) * | 2012-08-09 | 2013-03-20 | 坤鑫国际有限公司 | Universal spanner |
| CN204053895U (en) * | 2014-07-10 | 2014-12-31 | 陈淑汝 | Adjustable spanner structure |
| CN206952845U (en) * | 2017-05-05 | 2018-02-02 | 芜湖协航测控技术有限公司 | One kind can turning wrench structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110370210A (en) | 2019-10-25 |
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