CN104440724A - Ratchet wrench and manufacturing method thereof - Google Patents
Ratchet wrench and manufacturing method thereof Download PDFInfo
- Publication number
- CN104440724A CN104440724A CN201410576538.7A CN201410576538A CN104440724A CN 104440724 A CN104440724 A CN 104440724A CN 201410576538 A CN201410576538 A CN 201410576538A CN 104440724 A CN104440724 A CN 104440724A
- Authority
- CN
- China
- Prior art keywords
- hole
- spanner
- encapsulate
- stem
- controll block
- 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.)
- Pending
Links
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
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/467—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member which are gear-operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a ratchet wrench and a manufacturing method of the ratchet wrench. The ratchet wrench comprises a strip-type wrench core column and a rubber coating surrounding a part of the wrench core column. The front end of the wrench core column is a head with a large size. A gear piece and a braking assembly are contained in the head. The ratchet wrench is characterized in that a through hole penetrating through the head in the thickness direction is punched in the head, a part of the rubber coating wraps one end and the circumferential face of the through hole, the other part of the rubber coating wraps a handle part of the wrench core column to form a strip-type hand shank located on the rear side of the head, a baffle sheet is fixed to the other end of the through hole, the baffle sheet, the rubber coating and the through hole form a containing space containing the gear piece and the braking assembly and an installation structure. The ratchet wrench is easy to process and quite convenient to mount and demount, volume production of the ratchet wrench is easy, the production efficiency is improved, replacement of parts is facilitated, and the service life of the ratchet wrench is prolonged.
Description
Technical field
The present invention relates to a kind of ratchet spanner and manufacture method.
Background technology
Spanner is instrument conventional in activity in production, and it has various function, comprises monkey wrench, box spanner etc.But in some space-constrained occasions, these spanners are used sometimes to feel inconvenient, because tighten a bolt or a lot of circle of nut needs rotation, and common spanner can not rotate 360 degree, need spanner to take off from bolt or nut, and then select suitable angle repetitive operation, like this to pull not only process complicated, inefficiency, and the revolution that may cause bolt or nut, make elasticity bolt or nut very inconvenient.
Therefore there are some ratchet spanneres, spanner can have been controlled and only do unidirectional motion and can not revolution be caused." ratchet spanner " disclosed in Chinese patent CN2389754Y, this ratchet spanner is provided with an accommodating hole at the head of spanner, ratchet is provided with in it, the storage tank of an accommodation tooth established by spanner, storage tank end is provided with an appearance hole of bead, spring and steel ball is provided with in it, tooth processed supported by steel ball, this ratchet spanner, although structure is simple, and the single direction rotation of tooth processed can be realized, but this ratchet spanner is by steel ball this ratchet spanner of structure control with tooth processed, this ratchet spanner can only be controlled dally left or to the right, that is this ratchet spanner only has two grades of controlling functions, not middle gear, that is this ratchet spanner can only dally to the right or dally left, middle gear can not be fixed on can not dally.And such ratchet spanner is not clearly and wayward when gear is changed.And such ratchet spanner processing more complicated, be unfavorable for improving speed of production and volume production.
Ratchet spanner traditional in addition, Wrench head has one side to be do not wear sky greatly, and normally adopt numerical control device to process, so cause production cost high, the problem that production efficiency is low, needs to do Curve guide impeller.
Summary of the invention
Technical problem to be solved by this invention is to provide one and is convenient to installing/dismounting, and easy to process, is convenient to ratchet spanner and the manufacture method thereof of volume production.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of ratchet spanner, comprise the spanner stem stem of strip and surround the encapsulate of part spanner stem stem, the front end of described spanner stem stem is larger-size head rear end is handle portion, this header contents puts gear member and brake assemblies, it is characterized in that: on this head, stamping-out forms the through hole that runs through its thickness direction, the part of encapsulate encases one end and the side face of described through hole, the handle portion that another part of encapsulate encases spanner stem stem forms the handle that is positioned at the strip of back head, the other end of through hole is fixed with catch, described catch, encapsulate and through hole form accommodation space and and the mounting structure of an accommodating gear member and brake assemblies.
Preferably, described brake assemblies is positioned at the side of described through hole near described handle, and this brake assemblies comprises middle controll block and is positioned at the left and right control strip of middle controll block both sides, have spring respectively between this left and right control strip and side of described through hole, this gear member is blocked from arranged on left and right sides respectively in the end of described left and right control strip.
For the ease of controlling, one end of described middle controll block connects a direction button handsetting, the encapsulate of described through hole one end is provided with the hole matched with described middle controll block, described middle controll block is inserted in through hole from the hole of the encapsulate of described through hole one end, and described direction button handsetting expose be positioned at described through hole one end encapsulate outside.
For the ease of connecting, the other end center of described middle controll block is provided with the shrinkage pool extended from outside to inside, described catch is provided with the perforate matched with described shrinkage pool, attachment screw is inserted in connect described middle controll block and catch in the shrinkage pool in described middle controll block from described perforate, and described middle controll block can be rotated around this attachment screw.
Fixing for the ease of installing, the encapsulate of described through hole one end is provided with at least one connecting hole and is communicated to through hole, described catch is provided with the screw corresponding with this connecting hole, and screw inserts through hole from the top down from the connecting hole the encapsulate of described through hole one end and fixes with the screw of catch.
Preferably, the cross section of described middle controll block is a wedge shape, and it has two side planes withstanding left and right brake(-holder) block respectively, and is positioned at the bottom surface of arc of bottom.
For the ease of installing location, described through hole comprises the left and right accommodating position for accommodating left and right control strip of both sides, and the middle part at this left and right accommodating position is curved protruding outside to through hole, and the position that this arc is given prominence to is used for accommodating described spring.
Preferably, described through hole is respectively equipped with one end that two detents are respectively used to accommodating left and right brake(-holder) block near the side of handle, and the other end of this left and right brake(-holder) block extends towards described gear member and matches with the face of gear on gear member and controls.
Preferably, the encapsulate encasing one end of described through hole and the encapsulate of side face and encase spanner stem stem rear end is connected as a single entity.
A manufacture method for ratchet spanner as described above, comprises the following steps:
1) through hole of its thickness direction is gone out to run through at larger-size head one end stamping-out of described spanner stem stem;
2) integrated injection molding encapsulate outside the handle portion of the outside of the head of spanner stem stem and spanner stem stem;
3) one end of encapsulate is not had to be fit into through hole from through hole brake assemblies and gear member;
4) one end of encapsulate is not had to fix catch and through hole.
Compared with prior art, the invention has the advantages that this ratchet spanner and manufacture method thereof, not only easy to process, and installing/dismounting is also very convenient, is easy to the volume production of this ratchet spanner, enhance productivity, also be convenient to renewal part, extend the life-span of this ratchet spanner, and such ratchet spanner, total quality is comparatively light, easy to carry and use.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the ratchet spanner of the embodiment of the present invention.
Fig. 2 is the sectional view along A-A line in Fig. 1.
Fig. 3 is the schematic perspective view of the spanner stem stem of the ratchet spanner of the embodiment of the present invention.
Fig. 4 is the schematic diagram of the handle of the ratchet spanner of the embodiment of the present invention.
Fig. 5 is the sectional view (intermediateness) along B-B line in Fig. 1.
Fig. 6 is the sectional view (monodirectional locking state) along B-B line in Fig. 1.
Fig. 7 is the exploded view of the ratchet spanner of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in figs. 1-7, the ratchet spanner of the embodiment of the present invention, the encapsulate 20 of the spanner stem stem 10 comprising the irony of strip and the plastic material surrounding part spanner stem stem 10, the front end size more greatly head 1 of this spanner stem stem 10, rear end is handle portion, on this head 1, direct stamping-out forms the through hole 11 that runs through its thickness direction, also form two detents 15 in formation through hole 11 process simultaneously, the part of encapsulate 20 encases one end of the through hole 11 of described head 1 and the side of head 1, the handle portion that another part of encapsulate 20 encases spanner stem stem 10 forms the handle 2 that is positioned at the strip on rear side of head 1.The encapsulate encasing head 1 and the encapsulate encasing spanner stem stem 10 rear end can one-body moldedly link together or split is formed, and do not link together, make the encapsulate of different parts adopt different plastics to realize.
Accommodating gear member 3 and brake assemblies in through hole 11 on head 1, the other end of through hole 11, namely one end that through hole 11 is not surrounded by encapsulate 20 utilize encapsulate layer to be provided with mounting groove 12, accommodating catch 7 respectively, this catch 7 and encapsulate 20 seal this through hole 11 from upper and lower both sides respectively, make to form holding space for holding gear member 3 and a brake assemblies in through hole, and form mounting structure, comprise the circular hole passed for connector 32, the hole matched with direction button handsetting 45 and the connecting hole passed for screw, certainly different ratchet mechanisms, can design different mounting structures.Packing ring 6 is also provided with between gear member 3 and encapsulate 20.
Expose from catch 7 and the corresponding hole of encapsulate 20 respectively above and below described gear member 3, and wherein one end has attaching nut when connector 32 moves for spanner.The side face of this gear member 3 is face of gear, is positioned at through hole 11, and brake assemblies is positioned at the side of described through hole 11 near handle 2.Brake assemblies comprises left and right two panels brake(-holder) block 41,42, and the middle controll block 43 between left and right brake(-holder) block 41,42, respectively has a spring 51,52 between this left and right brake(-holder) block 41,42 and side of through hole 11.The left and right sides of through hole 11, there is the left and right accommodating position 111,112 of accommodating left and right control strip 41,42 respectively, the middle part at left and right accommodating position 111,112 is that circular arc is protruding outside to through hole 11, and this circular arc middle part is used for the spring 51,52 between accommodating left and right control strip 41,42 and through hole 11.Through hole 11 is respectively equipped with two detents 15 one end for accommodating left and right brake(-holder) block 41,42 near the side of handle 2, the other end of this left and right brake(-holder) block 41,42 extends towards described gear member 3 and matches with the face of gear on gear member 3 and controls.
Middle controll block 43 is when centre position, as shown in Figure 5, left and right brake(-holder) block 41,42 is because the effect of spring 51,52 is away from the left and right accommodating position 111,112 of through hole 11, therefore, left and right control strip 41,42 just in time blocks the gear member 3 in through hole 11, and gear member 3 can not be rotated relative to through hole, that is can not rotate relative to this ratchet spanner, now, this ratchet spanner is equivalent to common wrench, and the nut being connected to connector 32 is and then rotated by the rotation of spanner.
When this middle controll block 43 turns to the right or the left side, as shown in Figure 6, this middle controll block 43 turns to the left side, and the spring 51 compressed between left control strip 41 and through hole 11, now, left control strip 41 returns to the side of through hole 11, be positioned at the accommodating position 111 on the left of through hole 11, now, left control strip 41 relieves the locking to gear member 32, but right control strip 42 has still propped up gear member 32, now gear member 3 counterclockwise can only rotate relative to through hole 11, because when gear member counterclockwise rotates, because right control strip 42 has spring with through hole 11, gear member 3 can drive right control strip 42 Compress Spring 52 and counterclockwise rotate, and gear member 3 is when rotating clockwise, right control strip 42 has propped up gear member 32 makes it not rotate.That is spanner is pulled, when spanner rotates counterclockwise time, gear member 3 and the nut be connected on connector 32 or bolt can follow spanner to rotate counterclockwise due to the locking action of right control strip 42, and spanner is when rotating clockwise, gear member 3 and the nut be connected on connector 32 or bolt can rotate counterclockwise relative to through hole 11, spanner can not be followed to turn round, therefore achieve the clockwise idle running of spanner, can be quick and pull spanner slack adjuster in little space.In like manner, when middle controll block 43 turns to the right, when spanner rotates clockwise, gear member 3 and the nut be connected on connector 32 or bolt can follow spanner to rotate clockwise, and spanner is when rotating counterclockwise, gear member 3 and the nut be connected on connector 32 or bolt can not follow spanner to turn round, and therefore achieve the counterclockwise idle running of spanner.
One end of described middle controll block 43 connects a direction button handsetting 45, and the encapsulate 20 of through hole 11 one end is provided with the hole that middle controll block 43 position matches with this, the center of this middle controll block 4 be provided with from the other end extend from outside to inside and with the axially shrinkage pool in the same way of middle controll block 43, this catch 7 is provided with the perforate 72 matched with this shrinkage pool, this middle controll block 43 is inserted in through hole 11 by the hole of encapsulate 20 correspondence, and this direction button handsetting 45 is positioned at outside the encapsulate 20 of described through hole 11 one end.
The encapsulate 20 of described through hole 11 one end is also provided with at least one connecting hole 21, be preferably two connecting holes 21, be communicated to through hole 11 respectively, this catch 7 described is provided with the screw 71 corresponding with this connecting hole 21, screw 8 is inserted into through hole 11 from the connecting hole 21 of encapsulate 20, and be fixedly connected by the screw 71 on catch 7, and then fixing catch 7 and encapsulate 20.And attachment screw 9 is inserted in the shrinkage pool in described middle controll block 43 from the perforate 72 catch 7, and then connect middle controll block 43 and encapsulate 20, and middle controll block 43 can be rotated around this attachment screw 9.
Preferably, the cross section of this middle controll block 43 is a wedge shape, and it has two side planes withstanding left and right brake(-holder) block respectively, and is positioned at the bottom surface of arc of bottom, and this bottom surface is convenient to this middle controll block 3 and is rotated in left and right both direction.
Above-mentioned ratchet spanner, adding man-hour, as long as go out at one end stamping-out of spanner stem stem 10 through hole 11 that runs through its thickness, preferably in formation through hole 11 process, also form two detents 15 simultaneously, and then outside the handle of one end of through hole 11 and spanner stem stem 10 integrated injection molding encapsulate 20 and then form one handle 2.Respectively gear member, left and right brake(-holder) block and the parts such as middle controll block and direction button handsetting are made, then put into through hole 11 and assemble.The shape of through hole 11 also can one-shot forming, comprises containing groove and the detent of both sides, can disposable stamping-out shaping, not only substantially increase process velocity, improve production efficiency, and also improve yield rate.
When mounted, as long as gear member, brake assemblies are put into through hole, then catch is put, then by screw 8, upper stop piece and encapsulate are fixed, then middle controll block 43 is inserted from upper stop piece with direction button handsetting 45, then attachment screw 9 is upwards inserted in from encapsulate 20 middle controll block 43 to connect, can installation be completed.As long as inverted repeat above-mentioned action during dismounting, such structure, installing/dismounting is also very simple, just in case one of them has problems, carries out changing as long as also take apart.
This ratchet spanner, not only easy to process, and also installing/dismounting is also very convenient, is easy to the volume production of this ratchet spanner, enhance productivity, be also convenient to renewal part, extend the life-span of this ratchet spanner, and such ratchet spanner, total quality is comparatively light, easy to carry and use.
Although more than describe in detail the preferred embodiments of the present invention, should be expressly understood that, for a person skilled in the art, the present invention can have various modifications and variations.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a ratchet spanner, comprise the spanner stem stem (10) of strip and surround the encapsulate (20) of part spanner stem stem (10), the front end of described spanner stem stem (10) is larger-size head (1) rear end is handle portion, accommodating gear member (3) and brake assemblies in this head (1), it is characterized in that: the upper stamping-out of this head (1) forms the through hole (11) that runs through its thickness direction, the part of encapsulate (20) encases one end and the side face of described through hole (11), the handle portion that another part of encapsulate (20) encases spanner stem stem (10) forms the handle (2) that is positioned at the strip of head (1) rear side, the other end of through hole (11) is fixed with catch (7), described catch (7), encapsulate (20) and through hole (11) form accommodation space and the mounting structure of an accommodating gear member (3) and brake assemblies.
2. ratchet spanner as claimed in claim 1, it is characterized in that: described brake assemblies is positioned at the side of described through hole (11) near described handle (2), and this brake assemblies comprises middle controll block (43) and is positioned at the left and right control strip of middle controll block both sides, have spring respectively between the side of this left and right control strip and described through hole (11), this gear member (3) is blocked from arranged on left and right sides respectively in the end of described left and right control strip.
3. ratchet spanner as claimed in claim 1, it is characterized in that: one end of described middle controll block (43) connects a direction button handsetting (45), the encapsulate (20) of described through hole (11) one end is provided with the hole matched with described middle controll block (43), described middle controll block (43) is inserted in through hole (11) from the hole of the encapsulate (20) of described through hole (11) one end, and encapsulate (20) outside being positioned at described through hole (11) one end is exposed in described direction button handsetting (45).
4. ratchet spanner as claimed in claim 3, it is characterized in that: the other end center of described middle controll block (43) is provided with the shrinkage pool extended from outside to inside, described catch (7) is provided with the perforate (72) matched with described shrinkage pool, attachment screw (9) is inserted in from described perforate (72) to connect described middle controll block (43) and catch (7) in the shrinkage pool in described middle controll block (43), and described middle controll block (43) can be rotated around this attachment screw (9).
5. the ratchet spanner according to any one of claim 1-4, it is characterized in that: the encapsulate (20) of described through hole (11) one end is provided with at least one connecting hole (21) and is communicated to through hole (11), described catch (7) is provided with the screw (71) corresponding with this connecting hole (21), and screw (8) inserts through hole (11) from the top down from the connecting hole (21) the encapsulate (20) of described through hole (11) one end and fixes with the screw (71) of catch (7).
6. the ratchet spanner according to any one of claim 2-4, is characterized in that: the cross section of described middle controll block (43) is a wedge shape, and it has two side planes withstanding left and right brake(-holder) block respectively, and is positioned at the bottom surface of arc of bottom.
7. ratchet spanner as claimed in claim 2, it is characterized in that: described through hole (11) comprises the left and right accommodating position for accommodating left and right control strip of both sides, and the middle part at this left and right accommodating position is curved protruding outside to through hole (11), the position that this arc is given prominence to is used for accommodating described spring.
8. ratchet spanner as claimed in claim 2, it is characterized in that: described through hole (11) is respectively equipped with near the side of handle (2) one end that two detents (15) are respectively used to accommodating left and right brake(-holder) block, the other end of this left and right brake(-holder) block extends towards described gear member (3) and matches with the face of gear on gear member (3) and controls.
9. ratchet spanner as claimed in claim 1, is characterized in that: the encapsulate encasing one end of described through hole (11) and the encapsulate of side face and encase spanner stem stem (10) rear end is connected as a single entity.
10. a manufacture method for ratchet spanner as claimed in any one of claims 1-9 wherein, is characterized in that: comprise the following steps:
1) through hole (11) of its thickness direction is gone out to run through at larger-size head one end stamping-out of described spanner stem stem (10);
2) integrated injection molding encapsulate (20) outside the outside of the head (1) in spanner stem stem (10) and the handle portion of spanner stem stem (10);
3) one end of encapsulate (20) is not had to be fit into through hole (11) from through hole (11) brake assemblies and gear member (3);
4) one end of encapsulate (20) is not had to fix catch (7) and through hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576538.7A CN104440724A (en) | 2014-10-24 | 2014-10-24 | Ratchet wrench and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576538.7A CN104440724A (en) | 2014-10-24 | 2014-10-24 | Ratchet wrench and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104440724A true CN104440724A (en) | 2015-03-25 |
Family
ID=52887878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410576538.7A Pending CN104440724A (en) | 2014-10-24 | 2014-10-24 | Ratchet wrench and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104440724A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955172A (en) * | 2019-03-25 | 2019-07-02 | 李永光 | A kind of ratchet spanner main body and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123953A (en) * | 1977-06-09 | 1978-11-07 | Corbacho Jr Hipolito | Ratchet wrench |
| CN2105373U (en) * | 1991-11-09 | 1992-05-27 | 七和工具厂股份有限公司 | Compound material reinforced ratchet spanner |
| US5626061A (en) * | 1995-07-13 | 1997-05-06 | Stanley Mechanics Tools | Composite ratchet |
| TW200722234A (en) * | 2005-12-07 | 2007-06-16 | Yi-Han Liao | A structure of lightening metal ratchet wrench |
| CN201067883Y (en) * | 2007-06-29 | 2008-06-04 | 王佳力 | Ratchet socket wrench |
| TWM356574U (en) * | 2008-12-24 | 2009-05-11 | Yi-Han Liao | Main body structure for ratchet wrench |
| TW201244883A (en) * | 2011-05-13 | 2012-11-16 | Lin Tsung Te | Ratchet wrench structure |
| CN203305125U (en) * | 2013-05-29 | 2013-11-27 | 宁波誉信工具制造有限公司 | Ratchet wrench |
| CN203357339U (en) * | 2013-07-18 | 2013-12-25 | 杨月英 | Ratchet wheel structure of ratchet wrench |
-
2014
- 2014-10-24 CN CN201410576538.7A patent/CN104440724A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123953A (en) * | 1977-06-09 | 1978-11-07 | Corbacho Jr Hipolito | Ratchet wrench |
| CN2105373U (en) * | 1991-11-09 | 1992-05-27 | 七和工具厂股份有限公司 | Compound material reinforced ratchet spanner |
| US5626061A (en) * | 1995-07-13 | 1997-05-06 | Stanley Mechanics Tools | Composite ratchet |
| TW200722234A (en) * | 2005-12-07 | 2007-06-16 | Yi-Han Liao | A structure of lightening metal ratchet wrench |
| CN201067883Y (en) * | 2007-06-29 | 2008-06-04 | 王佳力 | Ratchet socket wrench |
| TWM356574U (en) * | 2008-12-24 | 2009-05-11 | Yi-Han Liao | Main body structure for ratchet wrench |
| TW201244883A (en) * | 2011-05-13 | 2012-11-16 | Lin Tsung Te | Ratchet wrench structure |
| CN203305125U (en) * | 2013-05-29 | 2013-11-27 | 宁波誉信工具制造有限公司 | Ratchet wrench |
| CN203357339U (en) * | 2013-07-18 | 2013-12-25 | 杨月英 | Ratchet wheel structure of ratchet wrench |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955172A (en) * | 2019-03-25 | 2019-07-02 | 李永光 | A kind of ratchet spanner main body and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20120113654A1 (en) | Led underwater lamp | |
| CN107186759A (en) | A kind of trimmer with new tool bit driving structure | |
| CN204135953U (en) | Ratchet spanner | |
| CN203471672U (en) | Ratchet wheel screwdriver | |
| CN104440724A (en) | Ratchet wrench and manufacturing method thereof | |
| CN105966536A (en) | Quick-assembly pedal of spine structure | |
| CN202978514U (en) | Motor end cover and housing assembly structure | |
| CN203808604U (en) | Novel tent bracket | |
| CN209382191U (en) | A kind of hydraulic brake | |
| CN208773419U (en) | A kind of tool screwed for screw | |
| CN103120064B (en) | Trimming wheel structure of grass-mowing machine | |
| CN204036351U (en) | A kind of ratchet structure of screwdriver | |
| CN214397077U (en) | Bowl group structure and two wheeler | |
| CN217918245U (en) | Decorative cover for steering handle holder | |
| CN208669706U (en) | A kind of electric fan of buckle-type installation | |
| CN205554305U (en) | Steering gear casing of easily laminating closely | |
| CN217914822U (en) | Alloy resistance sandblast mould | |
| CN213358960U (en) | Building keel piece | |
| CN216493888U (en) | Luminous ornament | |
| CN213054561U (en) | Ratchet wheel device for screwdriver | |
| CN202863530U (en) | Dust-proof hood structure of steering device | |
| CN103141211B (en) | A kind of mower edge trimming wheel structure | |
| CN216577578U (en) | High-performance pneumatic universal sleeve | |
| CN221547368U (en) | Simple assembly structure for fan blades of ceiling fan | |
| CN217992334U (en) | Quick-release screwdriver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
|
| RJ01 | Rejection of invention patent application after publication |