CN112847223A - Application method of self-locking reducing wrench sleeve - Google Patents
Application method of self-locking reducing wrench sleeve Download PDFInfo
- Publication number
- CN112847223A CN112847223A CN202110174358.6A CN202110174358A CN112847223A CN 112847223 A CN112847223 A CN 112847223A CN 202110174358 A CN202110174358 A CN 202110174358A CN 112847223 A CN112847223 A CN 112847223A
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- clamping jaw
- spring
- self
- inclined plane
- 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.)
- Withdrawn
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
- B25B13/44—Spanners; Wrenches of the chuck type
-
- 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
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
- B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
Abstract
The invention discloses a using method of a self-locking reducing wrench sleeve, which comprises a screwing head, an outer sleeve fixedly connected with the screwing head, a floating seat, a tensioning mandrel and three clamping jaws which are embedded at the lower end of the floating seat in a sliding manner at intervals, wherein one end of the tensioning mandrel extends into the floating seat, the other end of the tensioning mandrel is provided with a third central hole, a contact head and a first spring are arranged in the third central hole, the tensioning mandrel is also sleeved with a second spring, the rigidity of the second spring is smaller than that of the first spring, three clamping heads are hinged with the tensioning mandrel, the inner wall of the outer sleeve is provided with an inclined plane protrusion corresponding to the clamping jaws, and the outer side wall of each clamping jaw is provided with an; the self-locking clamping jaw can realize self-locking and twice diameter-changing movement of the clamping jaw, can be suitable for screwing screws with different specifications, and has a more flexible structure; in addition, the inclined plane protrusion of the outer sleeve is matched with the inclined plane of the clamping jaw, so that the torsion of the outer sleeve is converted into the clamping force of the screw, the transmission of larger torque is realized, and the slipping phenomenon is avoided.
Description
Technical Field
The invention relates to a using method of a self-locking reducing wrench sleeve.
Background
The existing wrench socket can only be used for screwing screws of one specification, and the wrench sockets of different specifications need to be replaced aiming at screws of different specifications, so that the use is inconvenient, and the slip phenomenon is easy to occur when the wrench socket is used for screwing the screws.
Disclosure of Invention
The invention aims to overcome the defects and provide a using method of a self-locking reducing wrench sleeve.
In order to achieve the purpose, the invention adopts the following specific scheme:
the utility model provides a self-locking reducing spanner sleeve's application method, including twist the head soon, with twist first fixed connection's outer sleeve, float seat, taut dabber and three interval slip nested clamping jaw at unsteady seat lower extreme soon, the outer sleeve is equipped with first centre bore, float the seat and be located the outer sleeve, and its upper end stretches into in the first centre bore and through oilless bearing and outer sleeve cooperation, float the seat and be equipped with the second centre bore, the one end of taut dabber stretches into in the second centre bore, the other end of taut dabber is equipped with third centre bore and the connecting lug that corresponds the clamping jaw setting, is equipped with contact head and first spring in the third centre bore, the lower extreme of contact head stretches out the setting of third centre bore, first spring both ends respectively with taut dabber, contact head fixed connection, taut dabber still overlaps and is equipped with the second spring, the both ends of second spring respectively with float seat, the connecting lug is abutted, the rigidity of the second spring is smaller than that of the first spring, the clamping jaws are hinged to the three connecting lugs through levers respectively, the inner wall of the outer sleeve is provided with inclined plane protrusions corresponding to the clamping jaws, the outer side walls of the clamping jaws are provided with inclined planes corresponding to the inclined plane protrusions in a matched mode, and when the outer sleeve rotates, the inclined plane protrusions of the outer sleeve are attached to the inclined planes of the clamping jaws and extrude the clamping jaws along the radial direction.
The surface of the inclined plane protrusion of the outer sleeve facing the axial direction is an arc surface, and the inclined plane of the clamping jaw is arranged as an arc inclined plane.
Wherein, the surface of the clamping jaw towards the axial direction of the tensioning mandrel is concave.
And a check ring is also embedded at the upper end of the floating seat and is positioned above the oilless bearing.
Wherein, the screwing head adopts a hexagonal head arrangement.
The invention has the beneficial effects that: compared with the prior art, the invention drives the first spring to jack the tensioning mandrel through the contact head, so that the tensioning mandrel drives the three clamping jaws to move towards the center, further preliminarily clamps the screw, then the inclined surface protrusion of the outer sleeve is attached to the inclined surface of the clamping jaw by rotating the outer sleeve, further the extrusion clamping jaw moves towards the center, further firmly clamps the screw, realizes self-locking, realizes twice diameter-changing movement of the clamping jaw, can be suitable for screwing screws with different specifications, and has more flexible structure; in addition, the inclined plane protrusion of the outer sleeve is matched with the inclined plane of the clamping jaw, so that the torsion of the outer sleeve is converted into the clamping force of the screw, the transmission of larger torque is realized, and the slipping phenomenon is avoided.
Drawings
FIG. 1 is a perspective view of a self-locking reducing wrench socket provided in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a self-locking reducing wrench socket provided in an embodiment of the present invention;
FIG. 3 is a bottom view of a self-locking reducing wrench socket according to an embodiment of the present invention;
FIG. 4 is a partial schematic structural view of a self-locking reducing wrench socket according to an embodiment of the present invention;
FIG. 5 is a schematic view of a tensioning mandrel and jaw configuration provided by an embodiment of the present invention;
FIG. 6 is a schematic structural view of an outer sleeve provided by an embodiment of the present invention;
FIG. 7 is a schematic diagram of a jaw configuration provided by an embodiment of the present invention;
FIG. 8 is a schematic structural view of another perspective of a clamping jaw provided by an embodiment of the present invention;
FIG. 9 is a schematic structural view of a floating seat provided by an embodiment of the present invention;
FIG. 10 is a schematic structural view of a tensioning mandrel provided by an embodiment of the present invention;
description of reference numerals: 1-screwing head; 2-an outer sleeve; 21-a first central hole; 22-a beveled protrusion; 3-a floating seat; 31-a second central hole; 4-tensioning the mandrel; 41-third central hole; 42-attachment lugs; 5-clamping jaw; 51-inclined plane; 6-oilless bearing; 7-contact head; 8-a first spring; 9-a second spring; 10-a retainer ring.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 10, the application method of the self-locking reducing wrench socket according to the present embodiment includes a screwing head 1, an outer socket 2 fixedly connected with the screwing head 1, a floating seat 3, a tightening mandrel 4, and three clamping jaws 5 slidably nested at the lower end of the floating seat 3 at intervals, wherein the outer socket is provided with a first central hole 21, the floating seat 3 is located in the outer socket 2, and the upper end of the floating seat extends into the first central hole 21 and is matched with the outer socket 2 through an oilless bearing 6, the floating seat 3 is provided with a second central hole 31, one end of the tightening mandrel 4 extends into the second central hole 31, the other end of the tightening mandrel 4 is provided with a third central hole 41 and a connecting lug 42 corresponding to the clamping jaw 5, a contact head 7 and a first spring 8 are arranged in the third central hole 41, the lower end of the contact head 7 extends out of the third central hole 41, and two ends of the first spring 8 are respectively connected with the, Contact 7 fixed connection, taut dabber 4 still overlaps and is equipped with second spring 9, the both ends of second spring 9 lean on with floating seat 3, connection lug 42 top respectively, the rigidity of second spring 9 is less than the rigidity of first spring 8, and is three the clamping jaw is articulated with three connection lug 42 through the lever respectively, the inner wall of outer sleeve 2 corresponds clamping jaw 5 and is provided with inclined plane protrusion 22, the lateral wall of clamping jaw 5 corresponds inclined plane protrusion 22 cooperation and is provided with inclined plane 51, and when outer sleeve 2 rotated, inclined plane protrusion 22 of outer sleeve 2 pasted on inclined plane 51 of clamping jaw 5 and along radial extrusion clamping jaw 5.
When the device is used, the outer sleeve 2 is extended downwards until the contact head 7 is contacted with the top surface of the screw, at the moment, the first spring 8 is higher than the second spring 9 in rigidity, the first spring 8 jacks up the tensioning mandrel 4, so that the tensioning mandrel 4 moves upwards, the tensioning mandrel 4 drives the three clamping jaws 5 to approach to the center through the lever, and the outer wall of the screw is clamped, so that the screw is preliminarily clamped; after the clamping jaw 5 clamps the screw, the outer sleeve 2 is driven to rotate through the screwing head 1, the inclined plane protrusion 22 of the outer sleeve 2 is in contact with the inclined plane 51 of the clamping jaw 5, the inclined plane protrusion 22 of the outer sleeve 2 extrudes the clamping jaw 5 under the action of torsion, the clamping jaw 5 is ejected out towards the center, and the screw is further and firmly clamped, at the moment, the outer sleeve 2, the clamping jaw 5 and the floating seat 3 are rigidly connected together to realize the self-locking function, then the screwing head 1 is continuously screwed, and the outer sleeve 2 transmits the screwing torque to the screw, so that the screw is screwed.
In the embodiment, the contact head 7 drives the first spring 8 to jack the tensioning mandrel 4, so that the tensioning mandrel 4 drives the three clamping jaws 5 to move towards the center, and further primarily clamps the screw, and then the outer sleeve 2 is rotated to enable the inclined plane protrusion 22 of the outer sleeve 2 to be attached to the inclined plane 51 of the clamping jaw 5, so that the clamping jaw 5 is extruded to further move towards the center, further and firmly clamp the screw, self-locking is realized, two times of reducing movement of the clamping jaw 5 are realized, the screw tightening device can be suitable for screw tightening of different specifications, and the structure is more flexible; in addition, the inclined plane protrusion 22 of the outer sleeve 2 is matched with the inclined plane 51 of the clamping jaw 5, so that the torsion of the outer sleeve 2 is converted into the clamping force of the screw, the transmission of larger moment is realized, the slipping phenomenon is avoided, and the device is small in size, light in weight, full in mechanical structure, efficient and reliable.
In the present embodiment, as shown in fig. 3 and 6, the surface of the inclined surface protrusion 22 of the outer sleeve 2 facing the axial direction is a circular arc surface, and as shown in fig. 3 and 8, the inclined surface 51 of the clamping jaw 5 is a circular arc inclined surface 51, which is beneficial for the inclined surface protrusion 22 of the outer sleeve 2 to match with the inclined surface 51 of the clamping jaw 5, so that the pressing force of the outer sleeve 2 to the clamping jaw 5 is concentrated in the radial direction, and the clamping is firmer.
In this embodiment, as shown in fig. 7, the surface of the clamping jaw 5 facing the axial direction of the tightening mandrel 4 is concave, which is more beneficial for clamping screws, and can effectively prevent the occurrence of slipping phenomenon when the screws are tightened.
In this embodiment, as shown in fig. 2 and 4, a retaining ring 10 is further embedded in the upper end of the floating seat 3, and the retaining ring 10 is located above the oilless bearing 6, so that the floating seat 3 and the outer sleeve 2 are further ensured to be connected more firmly.
In this embodiment, the screwing head 1 is a hexagonal head, which is suitable for more external screwing tools and can transmit larger torque.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (7)
1. The using method of the self-locking reducing wrench sleeve is characterized by comprising a screwing head (1), an outer sleeve (2) fixedly connected with the screwing head (1), a floating seat (3), a tensioning mandrel (4) and three clamping jaws (5) embedded at the lower end of the floating seat (3) in a sliding mode at intervals, wherein the outer sleeve is provided with a first center hole (21), the floating seat (3) is located in the outer sleeve (2), the upper end of the floating seat extends into the first center hole (21) and is matched with the outer sleeve (2) through an oilless bearing (6), the floating seat (3) is provided with a second center hole (31), one end of the tensioning mandrel (4) extends into the second center hole (31), the other end of the tensioning mandrel (4) is provided with a third center hole (41) and a connecting lug (42) corresponding to the clamping jaws (5), and a contact head (7) and a first spring (8) are arranged in the third center hole (41), the lower end of the contact head (7) extends out of the third central hole (41), the two ends of the first spring (8) are respectively fixedly connected with the tensioning mandrel (4) and the contact head (7), the tensioning mandrel (4) is also sleeved with a second spring (9), two ends of the second spring (9) are respectively propped against the floating seat (3) and the connecting lug (42), the rigidity of the second spring (9) is less than that of the first spring (8), the three clamping jaws (5) are respectively hinged with three connecting lugs (42) through levers, the inner wall of the outer sleeve (2) is provided with an inclined plane protrusion (22) corresponding to the clamping jaw (5), the outer side wall of the clamping jaw (5) is provided with an inclined surface (51) corresponding to the inclined surface protrusion (22) in a matching way, when the outer sleeve (2) rotates, the inclined plane protrusion (22) of the outer sleeve (2) is abutted against the inclined plane (51) of the clamping jaw (5) and presses the clamping jaw (5) along the radial direction;
the outer sleeve 2 is extended downwards until the contact head 7 is contacted with the top surface of the screw, at the moment, because the rigidity of the first spring 8 is greater than that of the second spring 9, the first spring 8 jacks up the tensioning mandrel 4, so that the tensioning mandrel 4 moves upwards, the tensioning mandrel 4 drives the three clamping jaws 5 to approach to the center through a lever, and the outer wall of the screw is clamped, so that the screw is preliminarily clamped; after the clamping jaw 5 clamps the screw, the outer sleeve 2 is driven to rotate through the screwing head 1, the inclined plane protrusion 22 of the outer sleeve 2 is in contact with the inclined plane 51 of the clamping jaw 5, the inclined plane protrusion 22 of the outer sleeve 2 extrudes the clamping jaw 5 under the action of torsion, the clamping jaw 5 is ejected out towards the center, and the screw is further and firmly clamped, at the moment, the outer sleeve 2, the clamping jaw 5 and the floating seat 3 are rigidly connected together to realize the self-locking function, then the screwing head 1 is continuously screwed, and the outer sleeve 2 transmits the screwing torque to the screw, so that the screw is screwed.
2. The use method of a self-locking reducing wrench socket as claimed in claim 1, wherein the surface of the beveled protrusion (22) of the outer sleeve (2) facing the axial direction is a circular arc surface, and the beveled surface (51) of the clamping jaw (5) is provided as a circular arc beveled surface (51).
3. Use of a self-locking reducing wrench socket according to claim 1, characterised in that the surface of the jaws (5) facing the axial direction of the tightening mandrel (4) is concave.
4. The use method of the self-locking reducing wrench socket is characterized in that a retainer ring (10) is embedded at the upper end of the floating seat (3), and the retainer ring (10) is positioned above the oilless bearing (6).
5. The use method of a self-locking reducing wrench socket according to claim 1, characterized in that the screwing head (1) is a hexagonal head arrangement.
6. The use method of a self-locking reducing wrench socket according to claim 1, characterized in that the screwing head (1) is a hexagonal head arrangement.
7. The use method of a self-locking reducing wrench socket according to claim 1, characterized in that the screwing head (1) is a hexagonal head arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110174358.6A CN112847223A (en) | 2019-09-27 | 2019-09-27 | Application method of self-locking reducing wrench sleeve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110174358.6A CN112847223A (en) | 2019-09-27 | 2019-09-27 | Application method of self-locking reducing wrench sleeve |
| CN201910921899.3A CN110757382B (en) | 2019-09-27 | 2019-09-27 | Self-locking reducing wrench socket |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910921899.3A Division CN110757382B (en) | 2019-09-27 | 2019-09-27 | Self-locking reducing wrench socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112847223A true CN112847223A (en) | 2021-05-28 |
Family
ID=69330490
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910921899.3A Active CN110757382B (en) | 2019-09-27 | 2019-09-27 | Self-locking reducing wrench socket |
| CN202110174358.6A Withdrawn CN112847223A (en) | 2019-09-27 | 2019-09-27 | Application method of self-locking reducing wrench sleeve |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910921899.3A Active CN110757382B (en) | 2019-09-27 | 2019-09-27 | Self-locking reducing wrench socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110757382B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310760A (en) * | 2022-02-16 | 2022-04-12 | 许少鹏 | Intelligent sleeve with torque display |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805222B (en) * | 2020-07-06 | 2022-01-25 | 中铁武汉电气化局集团第一工程有限公司 | Opening-closing type sleeve screwing mechanism |
| CN111874441A (en) * | 2020-08-27 | 2020-11-03 | 汕头市宏基混凝土构件有限公司 | Stacking and rolling-off preventing device for tubular piles and stacking method thereof |
| CN113084737B (en) * | 2021-03-30 | 2022-09-30 | 刘昭华 | Wrench device for field operation of nut and using method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3436992A (en) * | 1967-03-10 | 1969-04-08 | Pendleton Tool Ind Inc | Reversible ratchet wrench with floating pawls |
| US5893306A (en) * | 1997-08-15 | 1999-04-13 | Owoc; Gregory John | Ratchet wrench gears comprising floating-cam-driven adjustable jaws |
| US6634652B1 (en) * | 2001-10-15 | 2003-10-21 | Portsmouth Tool And Die | Non-galling chuck |
| US7261021B1 (en) * | 2006-02-18 | 2007-08-28 | Thomas Carnesi | Adjustable socket |
| CN205324767U (en) * | 2016-01-29 | 2016-06-22 | 苏州宝时得电动工具有限公司 | Automatic alignment chuck |
| CN206966687U (en) * | 2017-03-17 | 2018-02-06 | 浙江三鸥机械股份有限公司 | Hand fastening drill clutch |
| CN206952200U (en) * | 2017-05-31 | 2018-02-02 | 上海朋泰机械科技有限公司 | A kind of round thin wall piece turning tool |
| CN108555581B (en) * | 2018-04-20 | 2020-06-02 | 温州承玥机械设备有限公司 | Hinge semilunar shape screw tightening robot |
| CN108453497B (en) * | 2018-04-20 | 2020-04-03 | 兰泽(荆门)智能科技有限公司 | Self-return nonstandard precision screw tightening robot |
| CN208801212U (en) * | 2018-08-01 | 2019-04-30 | 温岭市正大工业机器人有限公司 | Quick centering and clamping mechanism |
-
2019
- 2019-09-27 CN CN201910921899.3A patent/CN110757382B/en active Active
- 2019-09-27 CN CN202110174358.6A patent/CN112847223A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310760A (en) * | 2022-02-16 | 2022-04-12 | 许少鹏 | Intelligent sleeve with torque display |
| CN114310760B (en) * | 2022-02-16 | 2022-12-27 | 上海优拜机械股份有限公司 | Intelligent sleeve with torque display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110757382A (en) | 2020-02-07 |
| CN110757382B (en) | 2021-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110757382B (en) | Self-locking reducing wrench socket | |
| CN201496006U (en) | Hand-operated clamping device | |
| CN110744480B (en) | Self-locking reducing manipulator | |
| CN213775943U (en) | Aluminum profile capable of being quickly disassembled and assembled | |
| CN219967869U (en) | Tightening device for oil pressure damper | |
| CN115776072B (en) | Overhead line device for power equipment construction | |
| CN214924078U (en) | Portable hexagonal bolt screwing tool for building construction | |
| CN103240705B (en) | The method of Quick fastening, demounting bolt nut and realize the monkey wrench of the method | |
| CN213576197U (en) | Pipe end sealing structure | |
| CN201402693Y (en) | Internally tensioning clamp for insulator | |
| CN201410650Y (en) | Hydraulic wrench | |
| CN210634345U (en) | Automobile tire assembly and disassembly tools | |
| CN206185750U (en) | Wrench with replaceable head | |
| CN208246673U (en) | Box spanner | |
| CN219866757U (en) | Plastic-coated groove flange | |
| CN214323187U (en) | Lateral fastening type combined inner hexagonal powerful wrench | |
| CN2599212Y (en) | Sleeve type drill rod fastener dismount apparatus | |
| CN216898921U (en) | Anti-disengaging structure of centering rod | |
| CN217052875U (en) | Mounting workpiece for concrete sleeper sleeve | |
| CN206277347U (en) | A kind of spare tire press plate screwing tool | |
| CN210681226U (en) | Automatic filling and screwing production line of dry powder fire extinguisher | |
| CN220515647U (en) | Screw tap hank hand fixing device for hand | |
| CN217668857U (en) | Locking pliers with adjustable angle | |
| CN212240804U (en) | Adjustable spanner | |
| CN210452492U (en) | Connecting device is used in processing of aluminium template |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210528 |
|
| WW01 | Invention patent application withdrawn after publication |