CN205381929U - Crow bar with overload protection function and laborsaving - Google Patents
Crow bar with overload protection function and laborsaving Download PDFInfo
- Publication number
- CN205381929U CN205381929U CN201620178396.3U CN201620178396U CN205381929U CN 205381929 U CN205381929 U CN 205381929U CN 201620178396 U CN201620178396 U CN 201620178396U CN 205381929 U CN205381929 U CN 205381929U
- Authority
- CN
- China
- Prior art keywords
- bearing plate
- hole
- described bearing
- crowbar
- overload protection
- 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.)
- Expired - Fee Related
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- Mounting Of Bearings Or Others (AREA)
- Hinges (AREA)
Abstract
The utility model discloses a crow bar with overload protection function and laborsaving, including the bearing plate, the middle part position department of bearing plate is provided with bearing bore, be provided with the through -hole on the preceding terminal surface of bearing plate, the through -hole fit in has the protection pin axle, bearing bore's bottom is provided with stress block, stress block's top is provided with the locating piece, the top of locating piece is provided with the cooperation the locating hole of protection pin axle, the left side position department of being close to at bearing plate top is provided with the installation cover, the slope of installation cover upwards sets up installation cover fit in handlebar handle bar, the handle bar with the cooperation has the screw between the installation cover, the right -hand member position department of being close to at bearing plate top is provided with anti -skid shim plate, the bearing plate is kept away from be equipped with two jacks to that one end of handle bar, two be equipped with in the jack and help the forming relieved tooth, help the forming relieved tooth with be equipped with first screw fixed connection between the bearing plate, the simple structure of this device, low cost is fit for using widely.
Description
Technical field
This utility model relates to one and has overload protection function and labour-saving crowbar.
Background technology
Crowbar is a kind of common hardware & tools; article can be levered up by crowbar; but the structure of crowbar of the prior art is relatively simple; in use needing by fulcrum, crowbar of the prior art does not in use have the function of overload protection simultaneously, when stress is excessive; crowbar is susceptible to bending; cause the accumulation of the internal internal stress of crowbar, cause the intensity of crowbar to reduce, affect service life.
Summary of the invention
The technical problems to be solved in the utility model is to provide one and has overload protection function and labour-saving crowbar; this device is in use; by force block as fulcrum; therefore in use without by other fulcrums; simple to operation; this device is by protecting bearing pin to play a protective role simultaneously; when the stress of force block is bigger; protection bearing pin fractures; force block loses fulcrum effect, and then protects this device from damage, and the later stage has only to replace protection bearing pin; by helping teeth conveniently to lever up article, and teeth is helped to change.
For solving the problems referred to above, this utility model adopts the following technical scheme that
nullOne has overload protection function and labour-saving crowbar，Including bearing plate，The medium position place of described bearing plate is provided with bearing hole，The front end face of described bearing plate is provided with through hole，Described through hole runs through described bearing hole，The hole wall of described bearing hole is provided with gathering sill，Protection bearing pin it is combined with in described through hole，The bottom of described bearing hole is provided with force block，The top of described force block is provided with locating piece，The top of described locating piece is provided with the hole, location coordinating described protection bearing pin，The outer ring of described force block is provided with the gib block coordinating described gathering sill，The close leftward position place at described bearing plate top is provided with installation set，Described installation set tilts upward setting，It is combined with handlebar stem described installation in set，It is combined with screw between described handlebar stem and described installation set，The close right end position place at described bearing plate top is provided with mechanical brakeman，Described bearing plate is provided with two jacks away from that one end of described handlebar stem，It is provided with in two described jacks and helps teeth，Described helping is provided with between teeth with described bearing plate that the first screw is fixing to be connected，It is described that to help teeth be two.
Preferably, the bottom symmetrical of described bearing plate is provided with the stiffener of more than two, is welded and fixed between described stiffener and described bearing plate.
Preferably, when described force block coordinate after in described bearing hole, the lower surface of described force block extends to the outside of described bearing hole.
Preferably, described installation is combined with the first floor and the second floor between set and described bearing plate.
Preferably, four corner position place arc transition outside described bearing plate.
The beneficial effects of the utility model are: this device is in use, by force block as fulcrum, therefore in use without by other fulcrums, simple to operation, this device is by protecting bearing pin to play a protective role simultaneously, when the stress of force block is bigger, protection bearing pin fractures, force block loses fulcrum effect, and then protect this device from damage, later stage has only to replace protection bearing pin, by helping teeth conveniently to lever up article, and help teeth to change, the structure of this device is relatively simple, cost is comparatively cheap, it is suitable for promoting the use of.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is top view of the present utility model；
Fig. 2 is the front view of bearing plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus protection domain of the present utility model being made apparent clear and definite defining.
nullConsult the one shown in Fig. 1 and Fig. 2 and there is overload protection function and labour-saving crowbar，Including bearing plate 1，The medium position place of described bearing plate 1 is provided with bearing hole 101，The front end face of described bearing plate 1 is provided with through hole 102，Described through hole 102 runs through described bearing hole 101，The hole wall of described bearing hole 101 is provided with gathering sill 111，Protection bearing pin 2 it is combined with in described through hole 102，The bottom of described bearing hole 101 is provided with force block 3，The top of described force block 3 is provided with locating piece 301，The top of described locating piece 301 is provided with the hole, location 302 coordinating described protection bearing pin 2，The outer ring of described force block 3 is provided with the gib block 311 coordinating described gathering sill 111，The close leftward position place at described bearing plate 1 top is provided with installation set 4，Described set 4 of installing tilts upward setting，It is combined with handlebar stem 5 described installation in set 4，Described handlebar stem 5 and described installation are combined with screw 501 between set 4，The close right end position place at described bearing plate 1 top is provided with mechanical brakeman 112，Described bearing plate 1 is provided with two jacks (not shown) away from that one end of described handlebar stem 5，It is provided with in two described jacks and helps teeth 6，Described helping is provided with between teeth 6 with described bearing plate 1 that first screw 601 is fixing to be connected，It is described that to help teeth 6 be two.
A preferred embodiment in this utility model, the bottom symmetrical of described bearing plate 1 is provided with the stiffener 113 of more than two, is welded and fixed between described stiffener 113 and described bearing plate 1.
A preferred embodiment in this utility model, when described force block 3 coordinate after in described bearing hole 101, the lower surface of described force block 3 extends to the outside of described bearing hole 101.
A preferred embodiment in this utility model, is combined with the first floor 411 and the second floor 412 between described installation set 4 and described bearing plate 1.
A preferred embodiment in this utility model, four corner position place arc transition outside described bearing plate 1.
The beneficial effects of the utility model are: this device is in use, by force block as fulcrum, therefore in use without by other fulcrums, simple to operation, this device is by protecting bearing pin to play a protective role simultaneously, when the stress of force block is bigger, protection bearing pin fractures, force block loses fulcrum effect, and then protect this device from damage, later stage has only to replace protection bearing pin, by helping teeth conveniently to lever up article, and help teeth to change, the structure of this device is relatively simple, cost is comparatively cheap, it is suitable for promoting the use of.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (5)
- null1. one kind has overload protection function and labour-saving crowbar，It is characterized in that: include bearing plate，The medium position place of described bearing plate is provided with bearing hole，The front end face of described bearing plate is provided with through hole，Described through hole runs through described bearing hole，The hole wall of described bearing hole is provided with gathering sill，Protection bearing pin it is combined with in described through hole，The bottom of described bearing hole is provided with force block，The top of described force block is provided with locating piece，The top of described locating piece is provided with the hole, location coordinating described protection bearing pin，The outer ring of described force block is provided with the gib block coordinating described gathering sill，The close leftward position place at described bearing plate top is provided with installation set，Described installation set tilts upward setting，It is combined with handlebar stem described installation in set，It is combined with screw between described handlebar stem and described installation set，The close right end position place at described bearing plate top is provided with mechanical brakeman，Described bearing plate is provided with two jacks away from that one end of described handlebar stem，It is provided with in two described jacks and helps teeth，Described helping is provided with between teeth with described bearing plate that the first screw is fixing to be connected，It is described that to help teeth be two.
- 2. according to claim 1 have overload protection function and labour-saving crowbar, it is characterised in that: the bottom symmetrical of described bearing plate is provided with the stiffener of more than two, is welded and fixed between described stiffener and described bearing plate.
- 3. according to claim 1 have overload protection function and labour-saving crowbar, it is characterised in that: when described force block coordinate after in described bearing hole, the lower surface of described force block extends to the outside of described bearing hole.
- 4. according to claim 1 have overload protection function and labour-saving crowbar, it is characterised in that: described installation is combined with the first floor and the second floor between set and described bearing plate.
- 5. according to claim 1 have overload protection function and labour-saving crowbar, it is characterised in that: four corner position place arc transition outside described bearing plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620178396.3U CN205381929U (en) | 2016-03-09 | 2016-03-09 | Crow bar with overload protection function and laborsaving |
| AU2016100661A AU2016100661A4 (en) | 2016-03-09 | 2016-05-19 | A labor-saving crow bar with overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620178396.3U CN205381929U (en) | 2016-03-09 | 2016-03-09 | Crow bar with overload protection function and laborsaving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205381929U true CN205381929U (en) | 2016-07-13 |
Family
ID=56351282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620178396.3U Expired - Fee Related CN205381929U (en) | 2016-03-09 | 2016-03-09 | Crow bar with overload protection function and laborsaving |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205381929U (en) |
| AU (1) | AU2016100661A4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050613A (en) * | 2018-09-06 | 2018-12-21 | 河南中托力合化学有限公司 | A kind of shovel wheel and its application for overhauling small handcart |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436395B (en) * | 2019-09-11 | 2023-12-22 | 上海伊能环保科技有限公司 | Portable well-opening crow bar |
-
2016
- 2016-03-09 CN CN201620178396.3U patent/CN205381929U/en not_active Expired - Fee Related
- 2016-05-19 AU AU2016100661A patent/AU2016100661A4/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050613A (en) * | 2018-09-06 | 2018-12-21 | 河南中托力合化学有限公司 | A kind of shovel wheel and its application for overhauling small handcart |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2016100661A4 (en) | 2016-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20170309 |