CN203865949U - Coiling type jack - Google Patents
Coiling type jack Download PDFInfo
- Publication number
- CN203865949U CN203865949U CN201420265610.XU CN201420265610U CN203865949U CN 203865949 U CN203865949 U CN 203865949U CN 201420265610 U CN201420265610 U CN 201420265610U CN 203865949 U CN203865949 U CN 203865949U
- Authority
- CN
- China
- Prior art keywords
- swivel arm
- ratchet
- crank
- fixed block
- screw rod
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- Transmission Devices (AREA)
Abstract
The utility model discloses a coiling type jack which comprises a base. A screw lifting mechanism is arranged on the base. A screw is vertically arranged in the screw lifting mechanism and connected with a first connecting block. The first connecting block is connected with a first rotating arm and a second rotating arm in a rotating mode. The first rotating arm is connected with a third rotating arm in a rotating mode. The second rotating arm is connected with a fourth rotating arm in a rotating mode. The third rotating arm and the fourth rotating arm are both connected with a second connecting block in a rotating mode. A straight rod is further arranged on the base. The upper end of the straight rod is provided with a first fixed block. A through hole is transversely formed in the first fixed block. A first crank is arranged in the through hole in a penetrating mode. Two take-up wheels are arranged on the first crank. Steel ropes are fixed to the two take-up wheels respectively. The other ends of the two steel ropes are fixedly connected with any rotating arms on the two sides respectively. At least one take-up wheel is provided with a ratchet. The first fixed block is provided with a pawl. The ratchet is matched with the pawl. The coiling type jack can rapidly rise and fall when not making contact with a heavy object.
Description
Technical field
The utility model relates to a kind of jack, specifically takeup type jack.
Background technology
Jack is a kind of with lifting part as equipment, the light little weight-lifting equipment of jacking weight in stroke by top bracket or bottom claw in rigidity top.Jack is mainly used in the department such as factories and miness, communications and transportation as work such as Mechanical Help and other lifting, supports.Its structure is firm, flexibility and reliability lightly, and a people is portability and operation.
Generally in use, jack-up and the speed falling are quite slow for existing jack, and therefore in the time that jack does not also touch weight, rise and fall slowly affect work efficiency very much.
Summary of the invention
The utility model, for prior art deficiency, provides takeup type jack, and this takeup type jack can fast speed rise and fall in the time not touching weight, and after touching weight rising jack-up weight at a slow speed.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: takeup type jack, comprise base, on described base, be provided with screw rod hoister structure, in described screw rod hoister structure, vertically there is screw rod, described screw rod is connected with the first contiguous block, described the first contiguous block is rotatably connected to the first swivel arm and the second swivel arm, described the first swivel arm and the 3rd swivel arm are rotationally connected, described the second swivel arm and the 4th swivel arm are rotationally connected, described the 3rd swivel arm and described the 4th swivel arm are all rotationally connected with the second contiguous block, on described base, be also provided with straight-bar, described straight-bar upper end is provided with the first fixed block, in described the first fixed block, be horizontally arranged with through hole, in described through hole, be equipped with the first crank, on described the first crank, be provided with two take-up pulleies, on two described take-up pulleies, be all fixed with cable wire, the other end of two described cable wires is fixedly connected with any described swivel arm of both sides respectively, described at least one, on take-up pulley, be provided with ratchet, on described the first fixed block, be provided with ratchet, described ratchet and described click-fit.The jack of this structure in use, in the time that not touching weight, jack upper end rotates by rotating the first crank, make the second contiguous block fast rise that the second contiguous block is contacted with weight, after touching weight, the second contiguous block rotates jointly by weight jack-up by screw rod hoister structure and the first crank, because cooperation first crank of click can not rotate backward.
In technique scheme, preferably, described screw rod hoister structure comprises the second fixed block, in described the second fixed block, be provided with cavity, in described cavity, be provided with the first finishing bevel gear cuter coordinating with described screw rod and the second finishing bevel gear cuter coordinating with the first finishing bevel gear cuter, on described the second finishing bevel gear cuter, be provided with the second crank.
In technique scheme, preferred, described ratchet one side is provided with and leans piece.
In technique scheme, preferred, in described through hole, be provided with bearing.
The utility model compared with prior art, has following beneficial effect: this takeup type jack of the utility model can fast speed rise and fall in the time not touching weight, and after touching weight rising jack-up weight at a slow speed.
Brief description of the drawings
Fig. 1 is the integral structure schematic diagram of the utility model embodiment.
Fig. 2 is the structural representation of the utility model embodiment other direction.
Fig. 3 is that the A-A at ratchet place in Fig. 2 is to schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail: referring to Fig. 1 to Fig. 3, takeup type jack, comprise base 1, on described base 1, be provided with screw rod hoister structure 11, described screw rod hoister structure 110 is interior vertically screw rod 2, described screw rod 2 is connected with the first contiguous block 3, described the first contiguous block 3 is rotatably connected to the first swivel arm 4 and the second swivel arm 5, described the first swivel arm 4 and the 3rd swivel arm 6 are rotationally connected, described the second swivel arm 5 and the 4th swivel arm 7 are rotationally connected, described the 3rd swivel arm 6 is all rotationally connected with the second contiguous block 8 with described the 4th swivel arm 7, on described base 1, be also provided with straight-bar 120, described straight-bar 120 upper ends are provided with the first fixed block 9, in described the first fixed block 9, be horizontally arranged with through hole, in described through hole, be equipped with the first crank 10, on described the first crank 10, be provided with two take-up pulleies 11, on two described take-up pulleies 11, be all fixed with cable wire 12, the other end of two described cable wires 12 respectively with any described swivel arm 4 of both sides, 5, 6, 7 are fixedly connected with, described at least one, on take-up pulley 11, be provided with ratchet 13, on described the first fixed block 9, be provided with ratchet 14, described ratchet 13 coordinates with described ratchet 14.
Described screw rod hoister structure 110 comprises the second fixed block 111, in described the second fixed block 111, be provided with cavity 112, in described cavity 112, be provided with the first finishing bevel gear cuter 113 coordinating with described screw rod 2 and the second finishing bevel gear cuter 114 coordinating with the first finishing bevel gear cuter 113, on described the second finishing bevel gear cuter 114, be provided with the second crank 115.Described ratchet 14 1 sides are provided with and lean piece 15, because ratchet 13 is very large to the reversal interlocking relay of ratchet 14, therefore arrange and lean piece 15 ratchet 14 is withstood.In described through hole, be provided with bearing.
The jack of this structure in use, in the time that not touching weight, jack upper end rotates by rotating the first crank 10, the second contiguous block 8 fast rise are contacted with weight, rotation and the first crank 10 by the second crank 115 after the second contiguous block 8 touches weight rotate jointly by weight jack-up, because cooperation first crank 10 of ratchet 13 ratchets 14 can not rotate backward, after jack uses, first rotate the first contiguous block 3 until the second contiguous block 8 does not contact with weight, again the first crank 10 is slided ratchet 13 is no longer coordinated with ratchet 14 in through hole, such the first crank 10 just can rotate backward, in order to prevent that the first crank 10 in use from sliding, on described the first crank 10, be provided with groove 16, in described groove 16, be provided with the jacking block 17 being rotationally connected with the first crank 10, described jacking block 17 is connected by spring 18 with described groove 16, in the time that the first crank 10 slides into control position, jacking block 17 ejects and withstands the first fixed block 9, prevent that the first crank 10 slips from causing weight to fall accidents caused, in the time that the first crank 10 need to rotate backward, can make ratchet 13 and ratchet 14 depart from by again the first crank 10 being slided after coping block 17.
Claims (4)
1. takeup type jack, it is characterized in that: comprise base (1), on described base (1), be provided with screw rod hoister structure (110), in described screw rod hoister structure (110), vertically there is screw rod (2), described screw rod (2) is connected with the first contiguous block (3), described the first contiguous block (3) is rotatably connected to the first swivel arm (4) and the second swivel arm (5), described the first swivel arm (4) is rotationally connected with the 3rd swivel arm (6), described the second swivel arm (5) is rotationally connected with the 4th swivel arm (7), described the 3rd swivel arm (6) is all rotationally connected with the second contiguous block (8) with described the 4th swivel arm (7), on described base (1), be also provided with straight-bar (120), described straight-bar (120) upper end is provided with the first fixed block (9), in described the first fixed block (9), be horizontally arranged with through hole, in described through hole, be equipped with the first crank (10), on described the first crank (10), be provided with two take-up pulleies (11), on two described take-up pulleies (11), be all fixed with cable wire (12), the other end of two described cable wires (12) respectively with any described swivel arm (4 of both sides, 5, 6, 7) be fixedly connected with, on take-up pulley described at least one (11), be provided with ratchet (13), on described the first fixed block (9), be provided with ratchet (14), described ratchet (13) coordinates with described ratchet (14).
2. takeup type jack as claimed in claim 1, it is characterized in that: described screw rod hoister structure (110) comprises the second fixed block (111), in described the second fixed block (111), be provided with cavity (112), in described cavity (112), be provided with the first finishing bevel gear cuter (113) coordinating with described screw rod (2) and the second finishing bevel gear cuter (114) coordinating with the first finishing bevel gear cuter (113), on described the second finishing bevel gear cuter (114), be provided with the second crank (115).
3. takeup type jack as claimed in claim 1, is characterized in that: described ratchet (14) one sides are provided with and lean piece (15).
4. takeup type jack as claimed in claim 1, is characterized in that: in described through hole, be provided with bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420265610.XU CN203865949U (en) | 2014-05-23 | 2014-05-23 | Coiling type jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420265610.XU CN203865949U (en) | 2014-05-23 | 2014-05-23 | Coiling type jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203865949U true CN203865949U (en) | 2014-10-08 |
Family
ID=51646928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420265610.XU Expired - Lifetime CN203865949U (en) | 2014-05-23 | 2014-05-23 | Coiling type jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203865949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979451A (en) * | 2014-05-23 | 2014-08-13 | 宁波天益齿轴齿轮有限公司 | Coiling type lifting jack |
-
2014
- 2014-05-23 CN CN201420265610.XU patent/CN203865949U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979451A (en) * | 2014-05-23 | 2014-08-13 | 宁波天益齿轴齿轮有限公司 | Coiling type lifting jack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |