CN206666065U - balance crowbar - Google Patents
balance crowbar Download PDFInfo
- Publication number
- CN206666065U CN206666065U CN201720471188.7U CN201720471188U CN206666065U CN 206666065 U CN206666065 U CN 206666065U CN 201720471188 U CN201720471188 U CN 201720471188U CN 206666065 U CN206666065 U CN 206666065U
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- CN
- China
- Prior art keywords
- depression bar
- balance
- lever
- crowbar
- sleeve
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- 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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Abstract
Utility model discloses a kind of balance crowbar, its drip irrigation device is to include two symmetrically arranged levers, also include separation assembly, the separation assembly includes depression bar a and depression bar b, the middle part of the depression bar a and depression bar b middle part are hinged, one end that depression bar a and depression bar b is located at homonymy is respectively articulated with one end of two levers, is connected with rod set between two levers and one end is arranged in inserted link in rod set.It is bad that the utility model solves balance of the existing crowbar when levering up object, easily causes the problem of object is toppled over.
Description
Technical field
It the utility model is related to a kind of balance crowbar.
Background technology
During object is levered up, crowbar needs to exert a force from the centre position of object, with the fulcrum and object of crowbar
The part on ground is supported in share the weight of object, ground is left in the final side for causing object, completes levering up for object.It is existing
The generally only balance levered up when a little, levering up object of crowbar in the art is bad, easily causes toppling over for object.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of balance crowbar, and it, which has, levers up thing
The characteristics of balance is preferable during part.
Above-mentioned purpose of the present utility model technical scheme is that：One kind balance crowbar, including two
Individual symmetrically arranged lever, also includes separation assembly, and the separation assembly is included in depression bar a and depression bar b, the depression bar a
Portion and depression bar b middle part are hinged, and one end that depression bar a and depression bar b are located at homonymy is respectively articulated with one end of two levers, two levers
Between be connected with rod set and one end is arranged in inserted link in rod set.
By using above-mentioned technical proposal, change the distance between two levers with separation assembly during use, when separation group
, can be remote between two levers when the one end of part away from lever is diverged.When two levers lever up an object simultaneously, equivalent to
The fulcrum of two uniform force applications is formed under object, makes to be prized object held stationary during levering up.
Two levers are arranged in parallel, in order that will not be relatively rotated in the separation process of two levers, so
Increase has inserted link and rod set among two levers.Put down with the depression bar a and depression bar b planes formed in the direction of inserted link insertion rod set
OK, it is and equal with depression bar a and depression bar b angle.
The utility model is further arranged to：The depression bar a and depression bar b are connected with gaily decorated basket spiral shell between one end of lever
Silk.
By using above-mentioned technical proposal, make the depression bar a and depression bar b relative securements in separation assembly.The two of turnbuckle
The axis of individual stud and the diameter parallel of inserted link, and be hinged respectively with depression bar a and depression bar b.When rotating the nut of turnbuckle, flower
Two studs of basket screw are close to each other or remote, therefore can adjust depression bar a and the bars of depression bar b two fork angle.Stop rotation
When turning the nut of turnbuckle, depression bar a and depression bar b under turnbuckle support, is maintained at fixed fork angle again.
The utility model is further arranged to：The crowbar also includes connection component and regulation supporting leg, the connection group
Part is fixedly connected with lever, and the regulation supporting leg is fixedly connected with connection component, and the regulation supporting leg includes the company of being fixedly connected on
Sleeve on connected components, it is arranged in the expansion link for being used for being supported on ground in sleeve and stretches out sleeve for adjustable telescopic rod
The adjusting part of one end length, the adjusting part include the snakelike tank being axially opened in sleeve lateral wall and are fixedly connected on
Driving lever on expansion link, the driving lever sliding are connected in the snakelike tank, are used to block formed with multiple in the snakelike tank
The bottom land of driving lever.
By using above-mentioned technical proposal, if carry needs to lift to goods on higher table top in way, when in use,
The height of crowbar fulcrum, which must be lifted, enables goods to cross step.At this moment the height of crowbar fulcrum can be adjusted by adjusting supporting leg
Degree, when regulation supporting leg is adjusted, by driving lever along snakelike tank length direction by its card entry slot bottom, the sliding of sleeve and expansion link is limited
System, fulcrum are limited at present level.
The utility model is further arranged to：The adjusting part also is connected in snakelike tank to be used to promote including sliding and dialled
Bar enters the briquetting of snakelike tank bottom land, the slide opening being opened on sleeve, is arranged in slide opening and leading in snakelike tank is stretched into one end
To bar and it is sheathed on guide rod and is held on the spring between snakelike tank and briquetting.
By using above-mentioned technical proposal, spring applies elastic force to briquetting, and then causes briquetting effectively by driving lever pressure
Enter in snakelike tank bottom land, sleeve and expansion link is effectively positioned.
The utility model is further arranged to：Spherical base is provided with below expansion link, the spherical base includes ball
Shape seat and spheroid, the spheroid are fixedly connected with the expansion link, the spheric seat and the spheroid ball-joint.
By using above-mentioned technical proposal, mill caused by when spherical base can avoid the expansion link from directly being contacted with ground
Damage.
The utility model is further arranged to：The side on the spheric seat contact ground is plate-like.
By using above-mentioned technical proposal, spheric seat is directly contacted with ground and contact surface is plate-like, can so increase
Spherical base and the contact area on ground, make spherical base more steady.
The utility model is further arranged to：The connection component includes polygon prism pin, trough plate, fixed block and more ribs
Post holes, fixed block are fixedly connected with resistance arm, and the opening of trough plate is located at fixed block both sides and is fixedly connected with sleeve, polygon prism
Hole sequentially passes through the side wall and fixed block of trough plate, and the polygon prism pin is arranged in the polygon prism hole.
By using above-mentioned technical proposal, after regulation leg length changes, lever in use with ground
Angle also has certain change.After regulation supporting leg is heightened, lever end thereof contacts weight, the other end of lever is constantly raised；
After regulation supporting leg is turned down, lever end thereof contacts weight, the other end of lever constantly reduces；At this moment all it is unfavorable for people to lever
Upper application strength, use are not ideal enough.
At this moment polygon prism pin can be pulled its end is departed from the polygon prism hole of fixed block with external force, and then can adjusted solid
Determine the angle of block and trough plate, reinsert fastening screw in the polygon prism hole of fixed block after the completion of regulation, inserted by positioning
Pin is defined to the angle between trough plate and fixed block, and then causes lever to be maintained at suitable height.
In summary, the utility model has the advantages that：With between separation assembly two levers of change during use
Distance, can be remote between two levers when one end fork of the separation assembly away from lever.Two levers lever up one simultaneously
During object, equivalent to the fulcrum for forming two uniform force applications under object, make to be prized object held stationary during levering up.
Two levers are arranged in parallel, in order that will not be relatively rotated in the separation process of two levers, so
Increase has inserted link and rod set among two levers.Put down with the depression bar a and depression bar b planes formed in the direction of inserted link insertion rod set
OK, it is and equal with depression bar a and depression bar b angle.
Brief description of the drawings
Fig. 1 is the stereogram of crowbar;
Fig. 2 is the crowbar stereogram for omitting separation assembly.
In figure, 1, lever；2nd, connection component；21st, polygon prism pin；22nd, trough plate；23rd, polygon prism hole；24th, fixed block；3、
Adjust supporting leg；31st, adjusting part；311st, snakelike tank；312nd, briquetting；313rd, guide rod；314th, spring；315th, driving lever；316th, it is sliding
Hole；32nd, sleeve；33rd, expansion link；34th, spherical base；341st, spheroid；342nd, spheric seat；4th, separation assembly；41st, depression bar a；42、
Depression bar b；43rd, inserted link；44th, rod set；45th, turnbuckle.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
One kind balance crowbar, with reference to figure 1 and Fig. 2, including lever 1, regulation supporting leg 3, connection component 2 and separation assembly 4.Point
Two levers 1 are connected from component 4, lever 1 is fixedly connected with connection component 2, and connection component 2 is fixedly connected with regulation supporting leg 3, is made
Used time supports one end of regulation supporting leg 3 on the ground, the bottom of the same side sled object of two levers 1, is changed with separation assembly 4
The distance between two levers 1, keep object lever up during poised state.Fixed during use with connection component 2 and lever 1
Junction is the fulcrum of lever 1, and the length of supporting leg 3 is adjusted by changing, and realizes the height change on the fulcrum of lever 1 and ground, can be with
Complete carrying work of the object in step.
Adjusting supporting leg 3 includes adjusting part 31, sleeve 32 and expansion link 33.The insertion sleeve 32 of expansion link 33, expansion link 33
Socket relation between sleeve 32 can mutually to rotate.Adjusting part 31 makes the relative position of sleeve 32 and expansion link 33 locked
Or open.After adjusting part 31 is opened, change the length in the insertion sleeve 32 of expansion link 33；When adjusting part 31 is closed
Afterwards, the length in the insertion sleeve 32 of expansion link 33 is fixed；So as to change the length of regulation supporting leg 3, reach change lever 1 and exist
The height of fulcrum during object is levered up, to adapt to the carrying of higher step, avoids finding suitable cushion block to carry strap
The inconvenience come.
Adjusting part 31 includes snakelike tank 311, briquetting 312, guide rod 313, spring 314, driving lever 315 and slide opening 316.Lead
Briquetting 312 is arranged in the one side of snakelike opening to bar 313, guide rod 313 is inserted into the slide opening 316 on sleeve 32,
And guide rod 313 has two, and relative position is misaligned.Spring 314 is enclosed on guide rod 313, and one end of spring 314 is against
On briquetting 312, the other end is against on sleeve 32.Snakelike tank 311 is opened on the periphery of sleeve 32, and spring 314 promotes briquetting
312 move to the aperture position of snakelike tank 311, and close the opening of snakelike tank 311.Wherein driving lever 315 is fixed with expansion link 33,
Briquetting 312 also forces driving lever 315 to be rotated into snakelike tank 311 during motion, so as to be closed when the opening of snakelike tank 311
When, driving lever 315 is pressed into snakelike tank 311, driving lever 315 is blocked by snakelike tank 311, realizes expansion link 33 and sleeve 32
Clamping.After external force, which forces driving lever 315 to return to snakelike tank 311, to be open, push-and-pull expansion link 33, which can change, to be inserted into sleeve 32
Length, discharge external force, driving lever 315 is forced into snakelike tank 311 again.
The lower section of expansion link 33 is provided with spherical base 34, and expansion link is caused when preventing expansion link 33 from directly being contacted with ground
33 wear.Spherical base 34 includes spheric seat 342 and spheroid 341.One end that spheric seat 342 contacts with ground is flat board
Shape, increase spherical base 34 and the contact area on ground, make spherical base 34 more steady.Spheric seat 342 with ground contact surface
Opposite face on be connected by ball-joint with expansion link 33, spheroid 341 forms with the Integral design of expansion link 33, and lever 1 is using
During expansion link 33 using ball pivot contact as fulcrum rotate, so rotate it is more steady.
After the regulation length of supporting leg 3 changes, lever 1 also has certain change with the angle on ground in use.
After regulation supporting leg 2 is heightened, the end thereof contacts of lever 1 are constantly raised by sled object and the other end；After regulation supporting leg 3 is turned down,
The end thereof contacts of lever 1 are constantly reduced by sled object and the other end；At this moment it is used for the height at the position of force on separation assembly 4 all
It is unfavorable for people to strength is applied thereon, use is not ideal enough.
Connection component 2 includes polygon prism pin 21, trough plate 22, fixed block 24 and polygon prism hole 23.Polygon prism hole 23 is set
On trough plate 22 and fixed block 24, and coaxially, fixed block 24 is wholely set with lever 1, and trough plate 22 and regulation supporting leg 3 are solid
It is fixed.Have the polygon prism pin 21 being adapted to therewith in polygon prism hole 23, when polygon prism pin 21 insert polygon prism hole 23 after, trough plate 22 with
Fixed block 24 can not be relatively rotated, therefore lever 1 is fixed with adjusting the angle of supporting leg 3.When need adjust lever 1 with adjust supporting leg
During angle between 3, polygon prism pin 21 is extracted, at this moment can change lever 1 and adjust the angle between supporting leg 3, regulation is completed
Polygon prism pin 21 is inserted into polygon prism hole 23 again afterwards so that lever 1 is maintained at proper height, and then causes separation assembly 4
The upper position for exerting a force is maintained at suitable height.
Separation assembly 4 includes depression bar a41 and depression bar b42.Depression bar a41 is connected after intersecting with depression bar b42 with pin, separation group
The depression bar a41 and depression bar b42 of part 4 are be hinged with a lever 1 respectively, and the pivot center of hinged place is parallel to each other two-by-two.When remote
When making depression bar a41 and depression bar b42 forks with the end that lever 1 is connected from separation assembly 4, it is connected with depression bar a41 and depression bar b42
Between the lever 1 connect also moved away from.When two levers 1 lever up an object simultaneously, two levers 1 lever up the sled point distance of object
Increase, it is more stable to make to lever up object process.
Two levers 1 are arranged in parallel, in order that will not be relatively rotated in the separation process of two levers 1, institute
There are inserted link 43 and rod set 44 to increase among two levers 1.Inserted link 43 is inserted in rod set 44, and inserted link 43 is fixed on and depression bar
On lever 1 connected b42, rod set 44 is fixed on the lever 1 being connected with depression bar a41.Inserted link 43 insert rod set 44 direction with
Depression bar a41 is parallel with the plane that depression bar b42 is formed, and equal with depression bar a41 and depression bar b42 angle.
In order that depression bar a41 and depression bar b42 relative securements in separation assembly 4, therefore in separation assembly 4 away from lever 1
One end be provided with turnbuckle 45.The axis of two studs of turnbuckle 45 and the diameter parallel of inserted link 43, and respectively with
Depression bar a41 and depression bar b42 are hinged.When rotating the nut of turnbuckle 45, two studs of turnbuckle 45 are close to each other or remote
From, therefore depression bar a41 and the bars of depression bar b42 two fork angle can be adjusted.Stop the rotation turnbuckle 45 nut when, depression bar
A41 and depression bar b42 under the support of turnbuckle 45, is maintained at fixed fork angle again.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
1. one kind balance crowbar, including two symmetrically arranged levers (1), it is characterised in that：Also include separation assembly (4),
The separation assembly (4) includes depression bar a (41) and depression bar b (42), the middle part of the depression bar a (41) and depression bar b (42) middle part
Be hinged, one end that depression bar a (41) and depression bar b (42) are located at homonymy is respectively articulated with one end of two levers (1), two levers (1)
Between be connected with rod set (44) and one end is arranged in inserted link (43) in rod set (44).
2. balance crowbar according to claim 1, it is characterised in that：The depression bar a (41) and depression bar b (42) deviate from lever
(1) turnbuckle (45) is connected between one end.
3. balance crowbar according to claim 1 or 2, it is characterised in that：The crowbar also include connection component (2) and
Supporting leg (3) is adjusted, the connection component (2) is fixedly connected with lever (1), and the regulation supporting leg (3) and connection component (2) are fixed
Connection, sleeve (32) that the regulation supporting leg (3) includes being fixedly connected on connection component (2), it is arranged in sleeve (32) and uses
In the expansion link (33) being supported on ground and for adjustable telescopic rod (33) stretch out sleeve (32) one end length regulation group
Part (31), the adjusting part (31) include the snakelike tank (311) being axially opened in sleeve (32) side wall and are fixedly connected
In the driving lever (315) on expansion link (33), driving lever (315) sliding is connected in the snakelike tank (311), the snakelike tank
(311) formed with multiple bottom lands for being used to block driving lever (315) in.
4. balance crowbar according to claim 3, it is characterised in that：The adjusting part (31) is also connected to including sliding
For promoting driving lever (315) to enter the briquetting (312) of snakelike tank (311) bottom land, being opened in sleeve (32) in snakelike tank (311)
Slide opening (316), be arranged in slide opening (316) and guide rod (313) that one end is stretched into snakelike tank (311) and being sheathed on is led
On to bar (313) and the spring (314) that is held between snakelike tank (311) and briquetting (312).
5. balance crowbar according to claim 4, it is characterised in that：Expansion link is provided with spherical base below (33)
(34), the spherical base (34) includes spheric seat (342) and spheroid (341), the spheroid (341) and the expansion link
(33) it is fixedly connected, the spheric seat (342) and the spheroid (341) ball-joint.
6. balance crowbar according to claim 5, it is characterised in that：The side on spheric seat (342) the contact ground is in
Tabular.
7. balance crowbar according to claim 6, it is characterised in that：The connection component (2) include polygon prism pin (21),
Trough plate (22), fixed block (24) and polygon prism hole (23), fixed block (24) are fixedly connected with resistance arm, trough plate (22)
Opening is fixedly connected positioned at fixed block (24) both sides and with sleeve (32), and polygon prism hole (23) sequentially pass through the side of trough plate (22)
Wall and fixed block (24), the polygon prism pin (21) are arranged in the polygon prism hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471188.7U CN206666065U (en) | 2017-04-28 | 2017-04-28 | balance crowbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471188.7U CN206666065U (en) | 2017-04-28 | 2017-04-28 | balance crowbar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206666065U true CN206666065U (en) | 2017-11-24 |
Family
ID=60371537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720471188.7U Expired - Fee Related CN206666065U (en) | 2017-04-28 | 2017-04-28 | balance crowbar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206666065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406566A (en) * | 2021-12-04 | 2022-04-29 | 中船动力研究院有限公司 | Pressing device |
-
2017
- 2017-04-28 CN CN201720471188.7U patent/CN206666065U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406566A (en) * | 2021-12-04 | 2022-04-29 | 中船动力研究院有限公司 | Pressing device |
| CN114406566B (en) * | 2021-12-04 | 2024-02-09 | 中船动力研究院有限公司 | Compressing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20190428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |