CN110561316B - Head-changing wrench - Google Patents
Head-changing wrench Download PDFInfo
- Publication number
- CN110561316B CN110561316B CN201910896996.1A CN201910896996A CN110561316B CN 110561316 B CN110561316 B CN 110561316B CN 201910896996 A CN201910896996 A CN 201910896996A CN 110561316 B CN110561316 B CN 110561316B
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- CN
- China
- Prior art keywords
- seat
- wrench
- handle
- groove
- head
- 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.)
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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
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/04—Spanners; Wrenches with rigid jaws of ring jaw 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
- B25B23/16—Handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/08—Handle constructions with provision for storing tool elements
- B25G1/085—Handle constructions with provision for storing tool elements for screwdrivers, wrenches or spanners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
- B25G1/105—Handle constructions characterised by material or shape for screwdrivers, wrenches or spanners
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Trades first spanner, its characterized in that: the wrench comprises a seat handle, a sliding handle and a wrench block, wherein the sliding handle is slidably arranged in a groove plate of the seat handle, and the wrench block can be movably transposed and respectively arranged in an upper groove or a lower groove when a single groove of the sliding handle is positioned and superposed with a head-changing seat groove of the seat handle; a plurality of wrench head blocks are arranged in the sliding handle and are not easy to lose; the sliding handle and the seat handle are positioned to replace the wrench head, so that the operation is convenient, and the head replacing seat at the top end of the seat handle is firm in connection and safe to use.
Description
Technical Field
The invention belongs to the field of hand tools, and particularly relates to a wrench with a replaceable wrench head.
Background
The existing set of wrench has various models, can carry out screwing operation aiming at screws of different models, but needs to carry a plurality of wrenches when in use, is difficult to store and easily lost, the set of wrench is only different in size and model of wrench heads, the rod bodies are the same, the cost is increased when the set of wrench is purchased, and the innovation of a wrench with a replaceable head is also provided in the prior art, for example, the wrench device with the replaceable head (application number 201310466484.4) in the invention patent application of the state, a mode that a cavity body at one end of a wrench handle is inserted into the wrench head is adopted, the wrench heads of various models are replaced, but the wrench heads and the handle are separated to be stored and still easily lost, the part for replacing the wrench head is arranged at the end part, the wrench head and the handle are.
Disclosure of Invention
The invention adopts the following technical scheme:
the head-changing wrench comprises a seat handle, a sliding handle and a wrench block, wherein the sliding handle is slidably arranged in a groove plate of the seat handle, and the wrench block is respectively arranged in a sliding handle groove or a seat handle groove in a replaceable manner when a single groove of the sliding handle is coincident with the head-changing seat groove of the seat handle in a positioning manner.
The open end of the slot plate of the seat handle is fixedly connected with the upper plane of the seat changing seat and is provided with a reinforcing support, and the corresponding surfaces of the two side wings of the slot plate are provided with clamping pieces which are folded edges or clamping strips.
The head changing seat is in a tubular column shape, a multi-square groove is arranged in the head changing seat, and the upper edge of the groove and the upper plane of the built-in wrench block are not higher than the inner bottom surface of the groove plate.
The length, the sectional shape and the sectional dimension of the sliding handle correspond to the inner space of the seat handle groove plate, the sliding handle is folded in the seat handle groove plate, the front end pressing part is positioned at the opening of the seat handle, and the vertical surface is flush with the vertical surface of the head changing seat; a plurality of lower opening grooves are arranged in the rear end groove box plate.
The single groove of the sliding handle corresponds to the groove of the seat handle changing seat in shape and size and can slide to be respectively superposed and positioned, and a square or round through hole is arranged in the middle of the bottom of the groove.
The through holes of the grooves of the seat handle and the sliding handle are smaller than the outer diameter of the wrench block, and the through hole of the pressing part of the sliding handle is larger than the sleeve opening of the wrench block; the bottom surface of the groove is magnetic, or the vertical surface of the groove of the sliding handle is provided with a clamping piece which is an elastic clamping bead or an elastic sheet.
The shape of the multi-square wrench head block corresponds to the inner spaces of the multi-square grooves of the seat handle and the sliding handle, the vertical fixed model sleeve opening of a single wrench head block corresponds to the outer diameter of a screwed model screw cap, the multiple wrench head blocks are clamped or adsorbed in the lower opening groove of the sliding handle according to models, and the upper surface of the sliding handle is provided with a model mark for positioning.
The bottom surface of the wrench head block is provided with a boss corresponding to the through hole of the head changing seat groove, the boss is flush with the bottom surface of the head changing seat in the head changing seat groove in the wrench head block.
The seat handle, the sliding handle and the wrench head block are made of hard metal materials.
The technical effect is achieved.
The seat handle and the sliding handle are inserted into a whole to form the integral structure of the wrench; a plurality of wrench head blocks are arranged in the sliding handle and are not easy to lose; the sliding handle and the seat handle are positioned to replace the wrench head, so that the operation is convenient, and the head replacing seat at the top end of the seat handle is firm in connection and safe to use.
Drawings
Fig. 1 is a three-dimensional structure view of the upper plate surface of the slide bar of the present invention.
Fig. 2 is a perspective view of the lower bottom surface of the slide bar of the present invention.
Fig. 3 is a schematic perspective view of the seat handle of the present invention.
Fig. 4 is a perspective view of the slide bar and seat bar of the present invention.
FIG. 5 is a perspective view of the replacement wrench head block with the sliding handle and the seat handle dislocated according to the present invention.
Fig. 6 is a perspective view of the wrench head block according to the present invention.
Fig. 7 is a three-dimensional structure view of the seat handle head-changing seat of the invention.
FIG. 8 is a front view of the slide bar, seat bar and wrench head block installed in a staggered manner.
Reference numerals are used.
The wrench comprises a seat handle 1, a groove plate 11, an opening 111, a head-changing seat 12, a groove 121, a clamping piece 122, a through hole 123, a reinforcing support 124, a sliding handle 2, a pressing part 213, a groove box plate 22, a groove bottom 221, a clamping piece 222, a wrench head block 3, a sleeve opening 31, a boss 32, a screw cap 4 and a screw rod 41.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in FIG. 5, the invention comprises a seat handle 1, a sliding handle 2 and a wrench head block 3;
1. a seat handle.
As shown in fig. 3 and 7, the seat handle 1 includes a flat upper opening slot plate 11 and a head-changing seat 12 with one end fixedly connected, the rear end of the slot plate is closed, the bottom surface of the front end is fixedly connected with the upper plane of the head-changing seat 12 to form an opening 111 at the upper end of the head-changing seat, the corresponding sides of the two side wings of the slot plate are provided with clamping pieces 122 including folded edges or concave-convex strips, so that the sliding handle 2 is clamped in the slot plate 11 to slide and can not fall off, and the cross section shape, size and length of the channel of the slot plate 11 correspond to the cross section and length of the sliding handle.
As shown in fig. 7 and 8, the tool change base 12 is a vertical circular or square tubular body, a multi-square groove 121 with an upper opening is formed in the tubular body at the lower end of the opening 111, a through opening 123 is formed in the middle of the bottom of the groove, a wrench head block 3 with a corresponding shape and size can be arranged in the groove, the upper surface of the upper edge of the groove and the upper surface of the wrench head block 3 in the groove are flush with the inner bottom surface of the groove plate 11, the sliding handle 2 slides in the groove plate 11 without being affected, and a reinforcing support 124 is arranged at the connection position of the tool change base and the groove plate to ensure.
2. A sliding handle.
As shown in fig. 1, 2 and 8, the sliding handle 2 is slidably mounted in the handle slot plate 11 with corresponding shape and size, the pressing part 213 at the front end of the sliding handle is located at the empty position of the handle opening 111, the pressing part is used for pressing the wrench head block 3 in the replacing head seat groove to be not moved upwards when the sliding handle and the handle are overlapped, and the pressing part is provided with an upper through hole corresponding to the position of the lower through hole 123 of the replacing head seat groove and used for a wrenched screw rod to pass through; when the pressing part is positioned at the opening of the seat handle, the vertical edge of the pressing part is basically flush with the vertical edge of the head changing seat 12 to form a complete cylindrical body.
The rear end of the sliding handle is provided with a groove box plate 22 consisting of a plurality of grooves with lower openings, a through hole 123 is arranged in the middle of the groove bottom of a single groove 121, various types of wrench blocks 3 are arranged in the groove, the direction, the shape and the size of the groove of the sliding handle 2 correspond to those of the groove of the seat handle changing seat 12, each groove of the sliding handle can slide to vertically correspond to and coincide with the groove of the seat handle changing seat, and a mark is arranged on the upper panel of the sliding handle at the position of coincidence of each groove, so that the wrench blocks 3 can be conveniently changed.
The diameter of the through hole 123 on the groove bottom plate of the seat handle and the sliding handle is larger than the diameter of a finger, the wrench block 3 can be pushed up or pressed down by the finger, in addition, the diameter of the through hole of the screwdriver seat is larger than the diameter of the maximum sleeve opening 31 of the wrench block and smaller than the outer diameter of the wrench block, so the wrench block cannot fall out of the groove, the diameter of the through hole of the pressing part is larger than the diameter of the maximum sleeve opening of the wrench block and the diameter of a screw rod to be pulled, so that the screw rod to be screwed can pass through the through hole conveniently, and the through hole is circular or square.
The annular bottom edges of the lower opening groove 121 of the sliding handle and the groove of the switching seat are provided with magnetism 221, so that the groove of the lower opening in the wrench head block 3 made of metal materials cannot fall, but the respective magnetic attraction strength and direction are required to be adjusted, the switching of the wrench head block in the upper and lower groove positions is not influenced, and the wrench head block can be attracted by the magnetic bottom away from the nearest groove; of course, a clamping member 222, such as an elastic clamping bead or a spring plate, may be disposed between the vertical surface of the sliding handle groove and the vertical surface of the wrench head block for clamping the wrench head block 3.
3. A spanner block.
As shown in fig. 6 and 8, the wrench block 3 is a multi-square column block whose shape corresponds to the shape of the hollow inside the groove, such as a square or a hexagon, and can be placed in the groove of the sliding handle 2 by clamping or magnetic adsorption, the sleeve opening 31 through which the wrench block vertically passes corresponds to the peripheral shape of the screw cap 4 of the bolt to be screwed or unscrewed, the sleeve opening is divided into different types, and is placed in a plurality of lower opening grooves of the sliding handle in sequence, the upper panel of the sliding handle is marked with the type, the bottom surface of the wrench block protrudes corresponding to the groove through hole 123 to form a boss 32, the wrench block is placed in the corresponding head changing seat groove, the bottom boss corresponds to the size and thickness of the through hole, so that the bottom surface of the head changing seat is kept flat, and the sleeve opening 31 can be deeply sleeved on the screw cap 4.
The seat handle, the sliding handle and the wrench head block are made of hard metal materials and have proper thicknesses.
4. The working principle is as follows.
As shown in fig. 1 to 8, the rear end of the sliding handle is inserted into the groove plate from the opening of the seat handle, the heavy box is integrated, the sliding handle slides forwards, the wrench head block 3 with the required type is selected to coincide with the seat handle changing seat groove, the finger passes through the through hole of the upper panel of the sliding handle, the wrench head block 3 clamped or absorbed in the groove of the lower opening of the sliding handle is pressed downwards to the groove of the changing seat to be magnetically absorbed, then the sliding handle is completely folded in the groove plate with the seat handle, and the pressing part is propped against the opening, so that the wrench can be sleeved on the wrenched screw cap to work.
When the wrench is replaced, the wrench block 3 in the groove of the head changing seat is correspondingly positioned with the original model groove position of the space in the sliding handle, then a finger passes through the through hole on the bottom surface of the head changing seat, the upper top wrench block is moved into the groove of the sliding handle which is internally penetrated for clamping or adsorption, and then the corresponding model position is moved for replacing the wrench block, and the steps are the same as the above.
Claims (9)
1. Trades first spanner, its characterized in that: the sliding handle is slidably mounted in a groove plate of the seat handle, and the wrench block can be replaced in a groove of the sliding handle or a groove of a head-changing seat of the seat handle when a single groove of the sliding handle is positioned and superposed with the groove of the head-changing seat of the seat handle.
2. The wrench of claim 1, wherein: the open end of the slot plate of the seat handle is fixedly connected with the upper plane of the seat changing seat and is provided with a reinforcing support, and the corresponding surfaces of the two side wings of the slot plate are provided with clamping pieces which are folded edges or clamping strips.
3. The wrench of claim 2, wherein: the head changing seat is in a tubular column shape, a multi-square groove is arranged in the head changing seat, and the upper edge of the groove and the upper plane of the built-in wrench block are not higher than the inner bottom surface of the groove plate.
4. The wrench of claim 1, wherein: the length, the sectional shape and the sectional dimension of the sliding handle correspond to the inner space of the seat handle groove plate, the sliding handle is folded in the seat handle groove plate, the front end pressing part is positioned at the opening of the seat handle, and the vertical surface is flush with the vertical surface of the head changing seat; a plurality of lower opening grooves are arranged in the groove box plate at the rear end of the sliding handle.
5. The wrench of claim 4, wherein: the single groove of the sliding handle corresponds to the groove of the seat handle changing seat in shape and size and can slide to be respectively superposed and positioned, and a square or round through hole is arranged in the middle of the groove bottom of the seat handle and the sliding handle.
6. The wrench of claim 5, wherein: the through holes of the grooves of the seat handle and the sliding handle are smaller than the outer diameter of the wrench block, and the through hole of the pressing part of the sliding handle is larger than the sleeve opening of the wrench block; the bottom surfaces of the grooves of the seat handle and the sliding handle are magnetic, or the vertical surface of the groove of the sliding handle is provided with a clamping piece which is an elastic clamping bead or an elastic sheet.
7. The wrench of claim 1, wherein: the wrench blocks are in a multi-square column shape, the shapes of the wrench blocks correspond to the inner spaces of the multi-square grooves of the seat handle and the sliding handle, a vertical fixed model sleeve opening of a single wrench block corresponds to the outer diameter of a screwed model screw cap, the wrench blocks are clamped or adsorbed in the lower opening groove of the sliding handle according to models, and model marks for positioning are arranged on the upper surface of the sliding handle.
8. The wrench of claim 1, wherein: the bottom surface of the wrench head block is provided with a boss corresponding to the through hole of the head changing seat groove, the boss is flush with the bottom surface of the head changing seat in the head changing seat groove in the wrench head block.
9. The wrench of claim 1, wherein: the seat handle, the sliding handle and the wrench head block are made of hard metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896996.1A CN110561316B (en) | 2019-09-23 | 2019-09-23 | Head-changing wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896996.1A CN110561316B (en) | 2019-09-23 | 2019-09-23 | Head-changing wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110561316A CN110561316A (en) | 2019-12-13 |
| CN110561316B true CN110561316B (en) | 2021-04-23 |
Family
ID=68781630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910896996.1A Active CN110561316B (en) | 2019-09-23 | 2019-09-23 | Head-changing wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110561316B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE729594C (en) * | 1941-11-21 | 1942-12-18 | Artur Bebber | Holder for wrench insert |
| GB2063143A (en) * | 1979-11-05 | 1981-06-03 | Litton Industrial Products | Socket wrench |
| US4727782A (en) * | 1986-08-14 | 1988-03-01 | Yang Tai Her | Socket wrench and socket members therefor |
| CN2057133U (en) * | 1989-01-28 | 1990-05-16 | 浙江省余姚市低塘镇电器塑料厂 | Combined hand tool |
| DE202006002422U1 (en) * | 2006-02-15 | 2006-07-13 | Hsieh, Chih-Ching | Hollow handle for hand tool, comprising electronically operated strain gauge accommodated inside |
| DE102006019245A1 (en) * | 2005-12-24 | 2007-07-05 | Sicd Ag | Hand tool for e.g. tightening and loosening of screw, has handle with trapezoidal cross sections at its ends, and formed in such a manner that its cross-section area continuously changes over length of handle |
| JP2007210087A (en) * | 2006-02-08 | 2007-08-23 | Otogi Ryokka Plan:Kk | Spanner useful with single piece of it |
| CN201913578U (en) * | 2011-03-01 | 2011-08-03 | 河北科技大学 | Combined wrench |
| CN204640045U (en) * | 2015-06-05 | 2015-09-16 | 浙江机电职业技术学院 | Chain wrench |
| CN204711921U (en) * | 2015-06-18 | 2015-10-21 | 阜康市拓荒者信息科技有限公司 | A kind of combination wrenches |
| CN205465907U (en) * | 2016-04-05 | 2016-08-17 | 宣国良 | Many sizes switching spanner |
| CN205703916U (en) * | 2016-06-22 | 2016-11-23 | 六安科夫工业产品设计有限公司 | A kind of nested groups box-like spanner structure device |
| CN205765849U (en) * | 2016-05-24 | 2016-12-07 | 苏玉霞 | A kind of switchable type spanner |
| CN107175605A (en) * | 2017-05-16 | 2017-09-19 | 太仓望虞机械科技有限公司 | A kind of device for screwing up for automation equipment |
| CN208496846U (en) * | 2018-06-27 | 2019-02-15 | 核工业西南物理研究院 | Portable combined spanner |
-
2019
- 2019-09-23 CN CN201910896996.1A patent/CN110561316B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE729594C (en) * | 1941-11-21 | 1942-12-18 | Artur Bebber | Holder for wrench insert |
| GB2063143A (en) * | 1979-11-05 | 1981-06-03 | Litton Industrial Products | Socket wrench |
| US4727782A (en) * | 1986-08-14 | 1988-03-01 | Yang Tai Her | Socket wrench and socket members therefor |
| CN2057133U (en) * | 1989-01-28 | 1990-05-16 | 浙江省余姚市低塘镇电器塑料厂 | Combined hand tool |
| DE102006019245A1 (en) * | 2005-12-24 | 2007-07-05 | Sicd Ag | Hand tool for e.g. tightening and loosening of screw, has handle with trapezoidal cross sections at its ends, and formed in such a manner that its cross-section area continuously changes over length of handle |
| JP2007210087A (en) * | 2006-02-08 | 2007-08-23 | Otogi Ryokka Plan:Kk | Spanner useful with single piece of it |
| DE202006002422U1 (en) * | 2006-02-15 | 2006-07-13 | Hsieh, Chih-Ching | Hollow handle for hand tool, comprising electronically operated strain gauge accommodated inside |
| CN201913578U (en) * | 2011-03-01 | 2011-08-03 | 河北科技大学 | Combined wrench |
| CN204640045U (en) * | 2015-06-05 | 2015-09-16 | 浙江机电职业技术学院 | Chain wrench |
| CN204711921U (en) * | 2015-06-18 | 2015-10-21 | 阜康市拓荒者信息科技有限公司 | A kind of combination wrenches |
| CN205465907U (en) * | 2016-04-05 | 2016-08-17 | 宣国良 | Many sizes switching spanner |
| CN205765849U (en) * | 2016-05-24 | 2016-12-07 | 苏玉霞 | A kind of switchable type spanner |
| CN205703916U (en) * | 2016-06-22 | 2016-11-23 | 六安科夫工业产品设计有限公司 | A kind of nested groups box-like spanner structure device |
| CN107175605A (en) * | 2017-05-16 | 2017-09-19 | 太仓望虞机械科技有限公司 | A kind of device for screwing up for automation equipment |
| CN208496846U (en) * | 2018-06-27 | 2019-02-15 | 核工业西南物理研究院 | Portable combined spanner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110561316A (en) | 2019-12-13 |
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Address after: 236000 unit 501, building 10, Jinhua first county, Yingzhou District, Fuyang City, Anhui Province Applicant after: Sun Yan Address before: 236000 305 households, unit 3, South Building, trade union family home, Third District, Qingying lane, Renmin Middle Road, Fuyang City, Anhui Province Applicant before: Sun Yan |
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