CN101875190A - Wrench for linearly screwing bolt in small space - Google Patents
Wrench for linearly screwing bolt in small space Download PDFInfo
- Publication number
- CN101875190A CN101875190A CN 201010208794 CN201010208794A CN101875190A CN 101875190 A CN101875190 A CN 101875190A CN 201010208794 CN201010208794 CN 201010208794 CN 201010208794 A CN201010208794 A CN 201010208794A CN 101875190 A CN101875190 A CN 101875190A
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- bolt
- screw
- head
- positioning head
- gear
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Abstract
The invention relates to a wrench, in particular to a wrench for linearly screwing a bolt in a small space. A gear is round, the outer edge of the gear is encircled by back teeth (10), two convex rings (11) are respectively arranged on an upper surface and a lower surface of the gear, a polygonal or elliptical positioning head placing hole (12) is arranged in the centre of the gear, a positioning head (8) is connected with another polygonal or elliptical positioning head (15) of another screwing head (16), a housing (22) is fixedly inserted to a connection hole (13) of a sleeve (4) by a fixing mechanism, a connection head (5) is arranged on the rear part of the sleeve (4), a main handle (6) is fixedly connected to one side of the connection head (5), the rear part of a mandril (2) is inserted into the connection head (5), and a return spring (3) is sleeved on the mandril (2). The wrench has a simple structure and overcomes the shortcoming that the conventional wrench cannot dismantle the bolt in a small working space.
Description
[technical field]
The present invention relates to a kind of spanner, especially relate to the wrench for linearly screwing that a kind of small space is inconvenient to rotate demounting bolt.
[background technology]
Known, in the maintenance of equipment of power system; Or miscellaneous equipment when maintenance, some bolt that need dismantle is in the small space, and as dismantling these bolts, employing is laid down external shell earlier then with disassembling bolts usually, this method is not only time-consuming, and must cooperate by hanging device for main equipment can operation; The screwdriver sled is also arranged, hammer knocks, methods such as electric drill destruction bolt are with disassembling bolts, the bolt that more renews then, above dual mode mainly is the spatial constraints of screwing that is subjected to bolt, can't about firmly or the bolt that is turned be not enough to carry out next time chucking, such method wastes time and energy, inefficiency, sex-limited when having a strong impact on the maintenance of equipment, because the structure of general utility wrench is " to be divided into the survivor of a murder attempt and to fix two kinds " by a tiger blocking bolt or nut, thereby, only the place that the space is allowed is fit to, when working space is narrow and small, even can't be with disassembling bolts.
[summary of the invention]
In order to overcome the deficiency in the background technology, the object of the present invention is to provide a kind of wrench for linearly screwing bolt in small space, described wrench for linearly screwing drives back tooth by the apical tooth of push rod, make and screw head rotation synchronously, only described wrench for linearly screwing upset just can need be implemented in little space screws down bolt or tights a bolt, the present invention is simple in structure, and having overcome existing spanner can't be with the drawback of disassembling bolts when working space is narrow and small.
In order to realize described goal of the invention, the present invention adopts following technical scheme:
A kind of wrench for linearly screwing bolt in small space comprises the two-way cover mechanism for card that is used to screw bolt; Be used to overlap the link gear that mechanism for card provides power; Be used to supply with the power handle of cover mechanism for card power; The described two-way cover mechanism for card that is used to screw bolt comprises sheath body, gear, screw head and screw head with another, described gear is circular, in the outer rim of gear around being provided with back tooth, two protruding rings are separately positioned on the upper and lower surface of gear, be provided with polygonal or oval positioning head putting hole at the center of gear, described lower surface of screwing head is provided with bolt sleeve, on the top of screwing head one polygonal or oval positioning head are set, positioning head connects another by the butt joint screw and screws a polygonal or oval-shaped another positioning head, described positioning head, another positioning head and positioning head putting hole are identical shaped and matched in clearance, the height of wherein said positioning head and another positioning head is a little more than the hole depth of positioning head putting hole, plate is plugged on sheath body two interior round-formed two complete circular covers up and down respectively, and two protruding rings of described gear and the circle cover that sheath body forms up and down are slidingly matched and are formed for screwing the two-way cover mechanism for card of bolt; Described cover mechanism for card provides the link gear of power, described sheath body is fixedly plugged in the connector of sleeve by fixed mechanism, the meshing meshing relation that becomes of apical tooth of push rod in described time tooth and the sleeve with independent top power, the anterior top and bottom of push rod in sleeve respectively with spacing track matched in clearance, wherein hold out against the back that spring withstands on push rod and form the link gear that described cover mechanism for card provides power; The described power handle that is used to supply with cover mechanism for card power, rear portion at sleeve is provided with connector, main handle is fixed in a side of connector, the push rod rear portion is through in the connector, described return spring is enclosed within on the push rod, one end of its medi-spring withstands on the inboard of auxiliary power handle, and the other end of spring withstands on and forms the link gear that described cover mechanism for card provides power on the connector.
Described wrench for linearly screwing bolt in small space, described positioning head putting hole is polygonal or ellipse.
Described wrench for linearly screwing bolt in small space, described fixed mechanism is that the place, two right angles of sheath body is provided with screw B respectively, and described two fixed covers are looped around respectively on the outer wall of sleeve and by the screw A that is arranged on each fixed cover two ends and are fixed on the two screw B of sheath body by screw.
Described wrench for linearly screwing bolt in small space, described protruding ring, time tooth are set to one.
Described wrench for linearly screwing bolt in small space is describedly screwed head, to screw the bolt sleeve that head is provided be interior six square bolts cover or outer six square bolt covers for another.
Owing to adopted technique scheme, the present invention to have following beneficial effect:
Wrench for linearly screwing bolt in small space of the present invention, it is fastening or screw down on the bolt at needs at first will to screw headgear, hold main handle and push the auxiliary power handle then, apical tooth driven gear by push rod return tooth, the described head of screwing just can rotate synchronously, bolt is unloaded down, in like manner by the upset wrench for linearly screwing, make another screw head and bolt clamping, described another positioning head just can snap in the positioning head putting hole when pressing down, and positioning head breaks away from the positioning head putting hole, holds main handle then and pushes the auxiliary power handle then, and wherein return spring can make the auxiliary power handle automatically reset; The present invention is simple in structure, has overcome existing spanner and the drawback of disassembling bolts can't be easy to the narrow and small place use in the space when working space is narrow and small.
[description of drawings]
Fig. 1 is a three-dimensional assembly structure schematic diagram of the present invention.
Fig. 2 is sleeve of the present invention and push rod partial structurtes schematic diagram.
Fig. 3 is rotation ring gear of the present invention and the syndeton schematic diagram of screwing head.
Fig. 4 is rotation ring gear of the present invention and another state syndeton schematic diagram of screwing head.
Among the figure: 1, auxiliary power handle; 2, push rod; 3, return spring; 4, sleeve; 5, connector; 6, main handle; 7, screw head; 8, positioning head; 9, butt joint screw; 10, return tooth; 11, protruding ring; 12, positioning head putting hole; 13, connector; 14, fixed cover; 15, another positioning head; 16, another screws head; 17, bolt sleeve; 18, screw A; 19, apical tooth; 20, plate; 21, circular cover; 22, sheath body; 23, screw B; 24, spacing track; 25, hold out against spring.
[specific embodiment]
With reference to the following examples, can explain the present invention in more detail; But should be noted that the present invention is not limited to following embodiment.
1～4 wrench for linearly screwing bolt in small space of the present invention comprises the two-way cover mechanism for card that is used to screw bolt in conjunction with the accompanying drawings; Be used to overlap the link gear that mechanism for card provides power; Be used to supply with the power handle of cover mechanism for card power; The described two-way cover mechanism for card that is used to screw bolt comprises sheath body 22, gear, screw 7 and another screw 16, described gear is circular, in the outer rim of gear around being provided with back tooth 10, two protruding rings 11 are separately positioned on the upper and lower surface of gear, be provided with polygonal or oval positioning head putting hole 12 at the center of gear, described 7 the lower surface of screwing is provided with bolt sleeve 17, on the top of screwing 7 polygonal or oval positioning head 8 are set, positioning head 8 connects another by butt joint screw 9 and screws 16 polygonal or oval-shaped another positioning head 15, described positioning head 8, another positioning head 15 is identical shaped and matched in clearance with positioning head putting hole 12, the height of wherein said positioning head 8 and another positioning head 15 is a little more than the hole depth of positioning head putting hole 12, plate 20 is plugged on sheath body round-formed two complete circular covers 21 in two about in the of 22 respectively, and the circle that two protruding rings 11 and the sheath body 22 of described gear forms is up and down overlapped 21 and is slidingly matched and is formed for screwing the two-way cover mechanism for card of bolt; Described cover mechanism for card provides the link gear of power, described sheath body 22 is fixedly plugged in the connector 13 of sleeve 4 by fixed mechanism, the apical tooth 19 meshing meshing relations that become of push rods 2 in described time tooth 10 and the sleeve 4 with independent top power, push rod 2 anterior top and bottom in sleeve 4 respectively with spacing track 24 matched in clearance, wherein hold out against the back that spring 25 withstands on push rod 2 and form the link gear that described cover mechanism for card provides power; The described power handle that is used to supply with cover mechanism for card power, be provided with connector 5 at the rear portion of sleeve 4, main handle 6 is fixed in a side of connector 5, push rod 2 rear portions are through in the connector 5, described return spring 3 is enclosed within on the push rod 2, one end of its medi-spring 3 withstands on the inboard of auxiliary power handle 1, and the other end of spring 3 withstands on and forms the link gear that described cover mechanism for card provides power on the connector 5.
Described wrench for linearly screwing bolt in small space, described positioning head putting hole 12 is polygonal or ellipse; Described fixed mechanism is that the place, two right angles of sheath body 22 is provided with screw B23 respectively, and described two fixed covers 14 are looped around on the outer wall of sleeve 4 respectively and are fixed on the two screw B23 of sheath body 22 by screw by the screw A18 that is arranged on each fixed cover 14 two ends; Described protruding ring 11, time tooth 10 are set to one; Describedly screw 7, another screws 16 bolt sleeve that are provided with 17 and is interior six square bolts cover 17 or outer six square bolts cover 17.
Implement wrench for linearly screwing bolt in small space of the present invention, at first will screw 7 is enclosed within and needs fastening or screw down on the bolt, hold main handle 6 and push auxiliary power handle 1 then, auxiliary power handle 1 rotates by the tooth 10 that returns of apical tooth 19 driven gears of push rod 2, describedly screw 7 and just can rotate synchronously, bolt is unloaded down, in like manner by the upset wrench for linearly screwing, make another screw 16 with the bolt clamping, described another positioning head 16 just can snap in positioning head putting hole 12 when pressing down, and positioning head 8 breaks away from positioning head putting hole 12, hold main handle 6 then and push auxiliary power handle 1, wherein return spring 3 can make auxiliary power handle 1 automatically reset; Wherein the present invention by change difference screw 7 and another screw 16, just described screw 7 and another screw a bolt sleeve 17 of 16 and be set to interior six sides or outer six sides, realize the purpose of loading, unloading difference bolts.
The embodiment that selects for use in this article in order to disclose purpose of the present invention currently thinks to suit, but will be appreciated that, the present invention is intended to comprise that all belong to all changes and the improvement of the interior embodiment of this design and the scope of the invention.
Claims (5)
1. a wrench for linearly screwing bolt in small space comprises the two-way cover mechanism for card that is used to screw bolt; Be used to overlap the link gear that mechanism for card provides power; Be used to supply with the power handle of cover mechanism for card power, it is characterized in that: the described two-way cover mechanism for card that is used to screw bolt comprises sheath body (22), gear, screw head (7) and another and screw (16), described gear is circular, in the outer rim of gear around being provided with back tooth (10), two protruding rings (11) are separately positioned on the upper and lower surface of gear, be provided with polygonal or oval positioning head putting hole (12) at the center of gear, described lower surface of screwing head (7) is provided with bolt sleeve (17), on the top of screwing head (7) polygonal or oval positioning head (8) are set, positioning head (8) connects another by butt joint screw (9) and screws head (16) polygonal or oval-shaped another positioning head (15), described positioning head (8), another positioning head (15) is identical shaped and matched in clearance with positioning head putting hole (12), the height of wherein said positioning head (8) and another positioning head (15) is a little more than the hole depth of positioning head putting hole (12), plate (20) is plugged on sheath body (22) two interior round-formed two complete circular covers (21) up and down respectively, and the circle cover (21) that two protruding rings (11) of described gear and sheath body (22) form up and down is slidingly matched and is formed for screwing the two-way cover mechanism for card of bolt; Described cover mechanism for card provides the link gear of power, described sheath body (22) is fixedly plugged in the connector (13) of sleeve (4) by fixed mechanism, the meshing meshing relation that becomes of apical tooth (19) of described time tooth (10) and the interior push rod of sleeve (4) (2) with independent top power, the anterior top and bottom of push rod (2) in sleeve (4) respectively with spacing track (24) matched in clearance, wherein hold out against the back that spring (25) withstands on push rod (2) and form the link gear that described cover mechanism for card provides power; The described power handle that is used to supply with cover mechanism for card power, be provided with connector (5) at the rear portion of sleeve (4), main handle (6) is fixed in a side of connector (5), push rod (2) rear portion is through in the connector (5), described return spring (3) is enclosed within on the push rod (2), one end of its medi-spring (3) withstands on the inboard of auxiliary power handle (1), and the other end of spring (3) withstands on connector (5) and goes up the link gear that the described cover mechanism for card of formation provides power.
2. wrench for linearly screwing bolt in small space according to claim 1 is characterized in that: described positioning head putting hole (12) is polygonal or ellipse.
3. wrench for linearly screwing bolt in small space according to claim 2, it is characterized in that: described fixed mechanism is that the place, two right angles of sheath body (22) is provided with screw B (23) respectively, and described two fixed covers (14) are looped around respectively on the outer wall of sleeve (4) and by the screw A (18) that is arranged on each fixed cover (14) two ends and are fixed on the two screw B (23) of sheath body (22) by screw.
4. wrench for linearly screwing bolt in small space according to claim 1 is characterized in that: described protruding ring (11), time tooth (10) are set to one.
5. wrench for linearly screwing bolt in small space according to claim 1 is characterized in that: describedly screw head (7), to screw the bolt sleeve (17) that head (16) is provided be interior six square bolt covers (17) or outer six square bolt covers (17) for another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102087942A CN101875190B (en) | 2010-06-25 | 2010-06-25 | Wrench for linearly screwing bolt in small space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102087942A CN101875190B (en) | 2010-06-25 | 2010-06-25 | Wrench for linearly screwing bolt in small space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101875190A true CN101875190A (en) | 2010-11-03 |
| CN101875190B CN101875190B (en) | 2012-06-13 |
Family
ID=43017925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102087942A Expired - Fee Related CN101875190B (en) | 2010-06-25 | 2010-06-25 | Wrench for linearly screwing bolt in small space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101875190B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528706A (en) * | 2011-12-08 | 2012-07-04 | 河南省电力公司洛阳供电公司 | A fixed and movable two-purpose wrench with small torsion |
| CN108312097A (en) * | 2018-04-11 | 2018-07-24 | 广州市优泰安防技术有限公司 | A kind of adjustable nut spanner suitable for elongate slot |
| CN108527234A (en) * | 2018-04-20 | 2018-09-14 | 江万泽 | A kind of gap specialized nut spanner |
| CN110576404A (en) * | 2018-06-08 | 2019-12-17 | 中国石油化工股份有限公司 | Crank type internal right-angle thread screwing-unscrewing wrench |
| CN113775626A (en) * | 2021-08-23 | 2021-12-10 | 张东 | Torsional shear type bolt with high assembly precision |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19716385A1 (en) * | 1997-04-18 | 1998-10-22 | Wojciech Muszynski | Spanner for nuts and bolts that are difficult to access |
| US20010039857A1 (en) * | 1999-07-12 | 2001-11-15 | Brownin Bushman P.C. | Worm gear torque apparatus |
| CN201012481Y (en) * | 2007-01-09 | 2008-01-30 | 晴莱企业有限公司 | Wrench socket group of sliding plate wheel carrier |
| US20080229886A1 (en) * | 2007-03-23 | 2008-09-25 | Jerry Rowell | Drive extension wrench |
-
2010
- 2010-06-25 CN CN2010102087942A patent/CN101875190B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19716385A1 (en) * | 1997-04-18 | 1998-10-22 | Wojciech Muszynski | Spanner for nuts and bolts that are difficult to access |
| US20010039857A1 (en) * | 1999-07-12 | 2001-11-15 | Brownin Bushman P.C. | Worm gear torque apparatus |
| CN201012481Y (en) * | 2007-01-09 | 2008-01-30 | 晴莱企业有限公司 | Wrench socket group of sliding plate wheel carrier |
| US20080229886A1 (en) * | 2007-03-23 | 2008-09-25 | Jerry Rowell | Drive extension wrench |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528706A (en) * | 2011-12-08 | 2012-07-04 | 河南省电力公司洛阳供电公司 | A fixed and movable two-purpose wrench with small torsion |
| CN102528706B (en) * | 2011-12-08 | 2016-04-27 | 河南省电力公司洛阳供电公司 | The fixed-moveable dual-purpose spanner of a kind of Small Distance |
| CN108312097A (en) * | 2018-04-11 | 2018-07-24 | 广州市优泰安防技术有限公司 | A kind of adjustable nut spanner suitable for elongate slot |
| CN108527234A (en) * | 2018-04-20 | 2018-09-14 | 江万泽 | A kind of gap specialized nut spanner |
| CN110576404A (en) * | 2018-06-08 | 2019-12-17 | 中国石油化工股份有限公司 | Crank type internal right-angle thread screwing-unscrewing wrench |
| CN113775626A (en) * | 2021-08-23 | 2021-12-10 | 张东 | Torsional shear type bolt with high assembly precision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101875190B (en) | 2012-06-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20130625 |