CN105084240A - Outer cover structure of lever block - Google Patents
Outer cover structure of lever block Download PDFInfo
- Publication number
- CN105084240A CN105084240A CN201510549335.3A CN201510549335A CN105084240A CN 105084240 A CN105084240 A CN 105084240A CN 201510549335 A CN201510549335 A CN 201510549335A CN 105084240 A CN105084240 A CN 105084240A
- Authority
- CN
- China
- Prior art keywords
- cover
- annular
- cover plate
- arc
- lever blocks
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention relates to the technical field of hoisting equipment, in particular to an outer cover structure of a lever block. The outer cover structure comprises a ratchet wheel cover arranged on a front side portion of a front wall board of the lever block, the ratchet wheel cover is forwards connected with an inner wrench cover and an outer wrench cover in sequence, and a hand wheel is arranged at the front end of the outer wrench cover; the ratchet wheel cover comprises an annular installation flat plate, an annular frontward extending cover plate and a front cover plate, wherein the annular installation flat plate is attached to the front wall board in a fixedly-connected manner, the annular frontward extending cover plate is integrally connected with the side of the periphery of an inner ring of the annular installation flat plate and extends forwards, the front cover plate parallel to the front wall board is integrally connected to the front end of the annular frontward extending cover plate, and an installation hole is formed in the center of the front cover plate. A part, located in the installation hole, of the front cover plate is integrally connected with a first arc-shaped turning edge turning to the outer side of the installation hole, and the inner wrench cover is provided with an inner arc-shaped turning edge, wherein the inner arc-shaped turning edge is located on one side, close to the installation hole, of the first arc-shaped turning edge and used for being connected with the first arc-shaped turning edge in an attached manner and wrapping the first arc-shaped turning edge. The outer cover structure is safe and stable in use, smooth in running and long in service life.
Description
Technical field
the present invention relates to technical field of crane equipment, be specially a kind of cover structure of Lever Blocks.
Background technology
lever Blocks pulls spanner by manpower manual, and by lever principle, thus obtain the straight line tractive force matched with load, thus drive weight to realize moving up and down.Because Lever Blocks volume is little, lightweight, therefore carry and operate all very convenient, be applicable to the weight of less tonnage, the cover structure of existing Lever Blocks, due to the relation of this body structure, assembled by the cover body on multiple parts, and often rotation can carry out operation each other, existing structure distribution of force is optimized not enough, operate smooth and easy not enough, structural stability is not high, easily occurs the problems such as distortion, even may cause damage to Lever Blocks itself, service life is long not enough.
Summary of the invention
an object of the present invention is to provide that a kind of use safety is stablized, the cover structure of the smooth movements Lever Blocks of long service life again.
above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of cover structure of Lever Blocks, comprise the ratchet casing on the position, front side of the front wallboard being arranged on Lever Blocks, described ratchet casing is connected with forward interior spanner cover and outer spanner cover in turn, the front end of described outer spanner cover is provided with handwheel, ratchet casing comprises being affixed with front wallboard and merges the annular be fixedly connected with and install flat board, the peripheral portion one of installing dull and stereotyped inner ring with described annular is connected the cover plate and the annular forwards extended is protracted, the front shroud of center with mounting hole being parallel to front wallboard that the front end that annular protracts cover plate is connected with, the position that described front shroud is positioned at mounting hole is connected with the first arc crimping of turnup outside mounting hole, interior spanner cover have be positioned at the first arc crimping by mounting hole side for being fitted and connected with the first arc crimping and enveloping the arc crimping of the first arc crimping.
in technique scheme, integrally-built connectivity between each cover body and parts is better, distribution of force is more superior, structural strength is higher, also more stable, operate more smooth, safety is higher, be not easy to occur the problems such as distortion, transposition, be not easy impaired, longer service life, midway location two place crimping be arranged so that interior spanner cover can operate on ratchet casing better and carry out spanner pull operation, structural strength and stability promote greatly, and distribution of force is optimized more, not easily damaged.
as to preferably of the present invention, interior spanner cover be also provided with and can insert the first arc crimping and deviate from outer spacing guide collar in the position of mounting hole side.Optimize structure further, ensure the stability of running, optimize distribution of force, improve safety.
as to preferably of the present invention, the front end of arc crimping is connected with the annular inner cover plate forwards extended.Optimize structure further, optimize distribution of force, improve the strength and stability of structure, promote safety, reduce damage, increase the service life.
as to preferably of the present invention, outer spanner cover comprises the shaped outer cover plate being positioned at outside annular inner cover plate and the annular outside jacket plates be overlapped on described annular inner cover plate and annular outside jacket plates front end and being connected with.Optimize structure further, optimize distribution of force, improve the strength and stability of structure, promote safety, reduce damage, increase the service life.
as to preferably of the present invention, the front end of shaped outer cover plate is connected with the annular extended forward and strengthens positioning plate.Optimize structure further, optimize distribution of force, improve the strength and stability of structure, promote safety, reduce damage, increase the service life.
as to preferably of the present invention, handwheel offer and inserts for annular reinforcement positioning plate and supply the circular groove of described hand wheel rotating.
beneficial effect of the present invention: integrally-built connectivity between each cover body and parts is better, and distribution of force is more superior, and structural strength is higher, also more stable, operate more smooth, safety is higher, be not easy to occur the problems such as distortion, transposition, be not easy impaired, longer service life.
Accompanying drawing explanation
fig. 1 is the cut-away illustration being assembled into the side-looking after on Lever Blocks of the embodiment of the present invention.
in figure: 1, front wallboard, 2, ratchet casing, 3, interior spanner cover, 4, outer spanner cover, 5, handwheel, 21, annular installs dull and stereotyped, 22, annular is protracted cover plate, and 23, front shroud, the 24, first arc crimping, 31, arc crimping, 6, outer spacing guide collar, 32, annular inner cover plate, 41, annular outside jacket plates, 42, shaped outer cover plate, 43, annular strengthens positioning plate, 50, circular groove.
Detailed description of the invention
following specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification sheets, as long as but be all subject to the protection of patent law in right of the present invention.
embodiment, as shown in Figure 1, a kind of cover structure of Lever Blocks, comprise the ratchet casing 2 on the position, front side of the front wallboard 1 being arranged on Lever Blocks, described ratchet casing 2 is connected with forward interior spanner cover 3 and outer spanner cover 4 in turn, the front end of described outer spanner cover 4 is provided with handwheel 5, ratchet casing 2 comprises being affixed with front wallboard 1 and merges the annular be fixedly connected with and install dull and stereotyped 21, the peripheral portion one of installing the inner ring of dull and stereotyped 21 with described annular is connected the cover plate 22 and annular forwards extended is protracted, the center being parallel to front wallboard 1 that the front end that annular protracts cover plate 22 is connected with is with the front shroud 23 of mounting hole, the position that described front shroud 23 is positioned at mounting hole is connected with the first arc crimping 24 of turnup outside mounting hole, interior spanner cover 3 have be positioned at the first arc crimping 24 by mounting hole side for being fitted and connected with the first arc crimping 24 and enveloping the arc crimping 31 of the first arc crimping 24.
interior spanner cover 3 is also provided with and can inserts the first arc crimping 24 and deviate from outer spacing guide collar 6 in the position of mounting hole side.The front end of arc crimping 31 is connected with the annular inner cover plate 32 forwards extended.Outer spanner cover 4 comprises the shaped outer cover plate 42 being positioned at outside annular the inner cover plate 32 and annular outside jacket plates 41 be overlapped on described annular inner cover plate 32 and annular outside jacket plates 41 front end and being connected with.The front end of shaped outer cover plate 42 is connected with the annular extended forward and strengthens positioning plate 43.Handwheel 5 offers and inserts for annular reinforcement positioning plate 43 and supply the circular groove 50 that described handwheel 5 rotates.
Claims (6)
1. the cover structure of a Lever Blocks, it is characterized in that: comprise the ratchet casing (2) on the position, front side of the front wallboard (1) being arranged on Lever Blocks, described ratchet casing (2) is connected with forward interior spanner cover (3) and outer spanner cover (4) in turn, the front end of described outer spanner cover (4) is provided with handwheel (5), ratchet casing (2) comprises being affixed with front wallboard (1) and merges the annular be fixedly connected with and install dull and stereotyped (21), the peripheral portion one of installing the inner ring of dull and stereotyped (21) with described annular is connected the cover plate (22) and the annular forwards extended is protracted, the center being parallel to front wallboard (1) that the front end that annular protracts cover plate (22) is connected with is with the front shroud (23) of mounting hole, the position that described front shroud (23) is positioned at mounting hole is connected with the first arc crimping (24) of turnup outside mounting hole, interior spanner cover (3) have be positioned at the first arc crimping (24) by mounting hole side for being fitted and connected with the first arc crimping (24) and enveloping the arc crimping (31) of the first arc crimping (24).
2. the cover structure of a kind of Lever Blocks according to claim 1, is characterized in that: interior spanner cover (3) is also provided with and can inserts the first arc crimping (24) and deviate from outer spacing guide collar (6) in the position of mounting hole side.
3. the cover structure of a kind of Lever Blocks according to claim 2, is characterized in that: the front end of arc crimping (31) is connected with the annular inner cover plate (32) forwards extended.
4. the cover structure of a kind of Lever Blocks according to claim 3, is characterized in that: outer spanner cover (4) comprises the shaped outer cover plate (42) being positioned at outside annular inner cover plate (32) and the annular outside jacket plates (41) be overlapped on described annular inner cover plate (32) and annular outside jacket plates (41) front end and being connected with.
5. the cover structure of a kind of Lever Blocks according to claim 4, is characterized in that: the front end of shaped outer cover plate (42) is connected with the annular extended forward and strengthens positioning plate (43).
6. the cover structure of a kind of Lever Blocks according to claim 5, is characterized in that: handwheel (5) offers and inserts and the circular groove (50) supplying described handwheel (5) to rotate for annular reinforcement positioning plate (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549335.3A CN105084240A (en) | 2015-09-01 | 2015-09-01 | Outer cover structure of lever block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549335.3A CN105084240A (en) | 2015-09-01 | 2015-09-01 | Outer cover structure of lever block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105084240A true CN105084240A (en) | 2015-11-25 |
Family
ID=54565705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510549335.3A Pending CN105084240A (en) | 2015-09-01 | 2015-09-01 | Outer cover structure of lever block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105084240A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5442760A (en) * | 1977-09-09 | 1979-04-04 | Zoujirushi Chien Burotsuku Kk | Chain block |
| JP2919809B2 (en) * | 1997-05-15 | 1999-07-19 | 象印チエンブロック株式会社 | Manual chain block |
| CN2510470Y (en) * | 2001-11-10 | 2002-09-11 | 张忠伟 | Lever-type hoist |
| CN2789213Y (en) * | 2005-01-07 | 2006-06-21 | 杭州维大力起重工具有限公司 | Apparatus for connecting hand hoist spannere and ratchet casing |
| CN203754334U (en) * | 2014-04-01 | 2014-08-06 | 浙江维大茵特起重设备有限公司 | Quick lifting structure of hand hoist |
| CN104203797A (en) * | 2012-03-08 | 2014-12-10 | 株式会社开道 | Manually operated hoisting / towing device |
| CN204038933U (en) * | 2014-08-22 | 2014-12-24 | 浙江维大茵特起重设备有限公司 | A kind of no-load Lever Blocks |
| CN204917816U (en) * | 2015-09-01 | 2015-12-30 | 浙江冠林机械有限公司 | Lever block's dustcoat structure |
-
2015
- 2015-09-01 CN CN201510549335.3A patent/CN105084240A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5442760A (en) * | 1977-09-09 | 1979-04-04 | Zoujirushi Chien Burotsuku Kk | Chain block |
| JP2919809B2 (en) * | 1997-05-15 | 1999-07-19 | 象印チエンブロック株式会社 | Manual chain block |
| CN2510470Y (en) * | 2001-11-10 | 2002-09-11 | 张忠伟 | Lever-type hoist |
| CN2789213Y (en) * | 2005-01-07 | 2006-06-21 | 杭州维大力起重工具有限公司 | Apparatus for connecting hand hoist spannere and ratchet casing |
| CN104203797A (en) * | 2012-03-08 | 2014-12-10 | 株式会社开道 | Manually operated hoisting / towing device |
| CN203754334U (en) * | 2014-04-01 | 2014-08-06 | 浙江维大茵特起重设备有限公司 | Quick lifting structure of hand hoist |
| CN204038933U (en) * | 2014-08-22 | 2014-12-24 | 浙江维大茵特起重设备有限公司 | A kind of no-load Lever Blocks |
| CN204917816U (en) * | 2015-09-01 | 2015-12-30 | 浙江冠林机械有限公司 | Lever block's dustcoat structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |