CN200967720Y - Foot-actuated annular wedge driven jack - Google Patents
Foot-actuated annular wedge driven jack Download PDFInfo
- Publication number
- CN200967720Y CN200967720Y CN 200620041591 CN200620041591U CN200967720Y CN 200967720 Y CN200967720 Y CN 200967720Y CN 200620041591 CN200620041591 CN 200620041591 CN 200620041591 U CN200620041591 U CN 200620041591U CN 200967720 Y CN200967720 Y CN 200967720Y
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- CN
- China
- Prior art keywords
- voussoir
- screw rod
- cylindrical shell
- ring gear
- voussoirs
- 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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Abstract
The utility model relates to a mechanical jack; the jack is a pedal type ring-shaped wedge drive jack; the invention is along the axial direction divided into a spiral drive part (A) where a ring-shaped wedge screw rod engages, a lifting control and switch part (B) and a reserve area part (C) of the rising length of the screw rod. Compared with the existing mechanical jack, the utility model has the advantages of that (1) the linear movement of the pedal is changed to the rotary movement, thus the operation comfort of the jack is improved (2). Because the first type lever is adopted as the pedal lever, the operation is made more effort-saving (3). Because a guide groove and a guide pin are used, the screw rod is made not to produce the axial rotation during the raising and lowering process, thus effectively avoiding the slippage of the contact surface between the top cover of the jack and the heavy object.
Description
Technical field
The utility model relates to a kind of jack, particularly a kind of mechanical type jack.
Background technology
Jack has been brought into play great role in daily life as a kind of instrument.Along with the continuous rising of vehicle owning amount, jack simple in structure and easy to use is subjected to people's favor just day by day.The mechanical type jack mostly is shaking in the market, and it is when operation, and the operator must be in for a long time and squat down or the state of bending over, and operation comfort is poor.Just become the utility model technical issues that need to address so how to improve the operation comfort of mechanical type jack.
Summary of the invention
The purpose of this utility model is, a kind of mechanical type jack of easy to use and operation comfort is provided.
The utility model can convert straight-line motion to the principle that rotatablely moves according to the ring-type voussoir, designs and prepared a kind ofly to drive jack with foot-operated ring-type voussoir as power.The utility model has overcome the defective of the operation comfort difference of existing machinery formula jack existence.
The said jack of the utility model divides the part of voussoir screw engages worm drive circlewise, lifting control and switching part and the long trough part of screw rod elevating lever along its axis direction;
The worm drive of said ring-type voussoir screw engages partly comprise: cylinder cover, cylindrical shell, four ring gear shape voussoirs and backhaul power assistant spring, coaxial four ring gear shape voussoirs and the backhaul power assistant spring of being equipped with in cylindrical shell, the backhaul power assistant spring places between cylindrical shell and the four ring gear shape voussoirs, four ring gear shape voussoirs are provided with the negative thread that is complementary with the screw rod outside thread, and four ring gear shape voussoirs are fixed with buckle mode and cylindrical shell by cylinder cover;
Said lifting control and switching part comprise: cylindrical toroidal voussoir, three ring gear shape voussoirs, step lever, rise and fall change-over switch, lever attachment pegs and rise and fall control part cylindrical shell, the cylindrical toroidal voussoir is connected with the step lever by the lever attachment pegs, three ring gear shape voussoirs are fixed on an end of the long reserved part cylindrical shell of screw rod in the buckle mode by rise and fall control part cylindrical shell, the outside of one end of the long reserved part cylindrical shell of screw rod is provided with the rise and fall change-over switch, and the rise and fall change-over switch is captiveed joint with three ring gear shape voussoirs;
Wherein said cylindrical toroidal voussoir comprises: set collar, step lever connect annulus and voussoir annulus, interior and lateral wall at the voussoir annulus is provided with several voussoirs, the step lever connects annulus and is fixed on the voussoir annulus in the buckle mode by set collar, voussoir group on the madial wall of voussoir annulus is agreed with mutually with four ring gear shape voussoirs, and the voussoir group on the lateral wall of voussoir annulus embeds the guide groove that places on the cylinder inboard wall;
The long trough of said screw rod elevating lever partly comprises: the long reserved part cylindrical shell of screw rod, screw rod guide groove, collapsible spike and screw rod guide finger, the internal diameter of the long reserved part cylindrical shell of screw rod and the external diameter of screw rod are complementary, be provided with collapsible spike for one section at the long reserved part cylindrical shell of screw rod, have the screw rod guide groove at the long reserved part cylindrical shell of screw rod lateral surface, the screw rod guide groove contains the screw rod guide finger;
The other end at the long reserved part cylindrical shell of screw rod (25) matches by ladder-type structure and rise and fall control part cylindrical shell (24), and three ring gear shape voussoirs (3) are axially fixed between them.
In a preferred version of the present utility model, can fully reduce friction, four ring gear shape voussoirs (2) agree with part cylindrical shell (20) contact position with voussoir and are provided with ball grooves (10);
In another preferred version of the present utility model,, ball grooves can be set on set collar for reducing the friction between set collar and the step lever connection annulus;
In another preferred version of the present utility model, the voussoir number of the madial wall of voussoir annulus is 4, and the voussoir number of the lateral wall of voussoir annulus is 6, the shape pref. cylindrical of said voussoir.
The beneficial effects of the utility model are: (1) is converted into rotatablely moving of ring-type voussoir with foot-operated straight-line motion, has improved the operation comfort of jack; (2) owing to adopt lever of first order (i.e. the most laborsaving lever), make operation more laborsaving as the step lever; (3) owing to used guide groove and guide finger, make screw rod in the rise and fall process, do not produce axial rotation, thereby avoided the slippage between jack top cover and weight contact surface effectively.
Description of drawings
Fig. 1 is the folded state diagram of the said jack of the utility model,
Fig. 2 is the working state figure of the said jack of the utility model,
Fig. 3 is the assembling demonstration graph of the said jack of the utility model,
Fig. 4 is the assembling demonstration graph of cylindrical toroidal voussoir in the said jack of the utility model,
Fig. 5 is the assembling demonstration graph of cylindrical toroidal voussoir and cylindrical shell (20) in the said jack of the utility model,
Fig. 6 is the assembling demonstration graph of cylindrical toroidal voussoir in the said jack of the utility model, three ring gear shape voussoirs and four ring gear shape voussoirs.
Wherein: the part icon is described as follows:
1-cylindrical toroidal voussoir; 2-four ring gear shape voussoirs; 3-three ring gear shape voussoirs; 4-backhaul power assistant spring; 5-step lever; 6-screw rod guide finger; 7-screw rod guide groove; 8-inwall guide groove; 9-rise and fall change-over switch; The 10-ball grooves; The 11-set collar; The 12-ball grooves; 13-step lever connects annulus; 14-top cap; The 15-screw rod; The 16-fulcrum pin; The collapsible spike of 17-; Cylindrical voussoir in the 18-; 19-Outer cylindrical voussoir; The 20-voussoir agrees with the part cylindrical shell; 21-lever attachment pegs; 22-circular arc ring; The 23-cylinder cover; 24-rise and fall control part cylindrical shell; The long reserved part cylindrical shell of 25-screw rod; 26-voussoir annulus; 27-step attachment pegs guide groove;
A-ring-type voussoir screw engages worm drive part; B-lifting control and switching part; The long trough part of C-screw rod elevating lever.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated,
By Fig. 1 and Fig. 2 as can be known, the said jack of the utility model divides voussoir screw engages worm drive part A, lifting control and switching part B and the long trough portion C of screw rod elevating lever circlewise along its axis direction;
By Fig. 3 and Fig. 6 as can be known, said ring-type voussoir screw engages worm drive part A comprises: cylinder cover 23, cylindrical shell 20, four ring gear shape voussoir 2 and backhaul power assistant spring 4, coaxial four ring gear shape voussoir 2 and the backhaul power assistant spring 4 that are equipped with in cylindrical shell 20, backhaul power assistant spring 4 places between cylindrical shell 20 and the four ring gear shape voussoirs 2, four ring gear shape voussoirs 2 are provided with the negative thread that is complementary with screw rod 15 outside threads, and four ring gear shape voussoirs 2 are fixing with buckle mode and cylindrical shell 20 by cylinder cover 23;
As shown in Figure 3, said lifting control and switching part B comprise: cylindrical toroidal voussoir 1, three ring gear shape voussoirs 3, step lever 5, fulcrum pin 16, step attachment pegs guide groove 27, lever attachment pegs 21 and rise and fall control part cylindrical shell 24, cylindrical toroidal voussoir 1 is connected with step lever 5 by lever attachment pegs 21, three ring gear shape voussoirs 3 are fixed on an end of the long reserved part cylindrical shell 25 of screw rod in the buckle mode by rise and fall control part cylindrical shell 24, the outside of one end of the long reserved part cylindrical shell 25 of screw rod is provided with rise and fall change-over switch 9, and rise and fall change-over switch 9 is captiveed joint with three ring gear shape voussoirs 3;
By Fig. 4 and Fig. 5 as can be known, wherein said cylindrical toroidal voussoir 1 comprises: set collar 11, the step lever connects annulus 13 and voussoir annulus 26, madial wall at voussoir annulus 26 is provided with 4 cylindrical voussoirs 18, the lateral wall of voussoir annulus 26 is provided with 6 cylindrical voussoirs 19, the step lever connects annulus 13 and is fixed on the voussoir annulus 26 in the buckle mode by set collar 11, for reducing the friction between set collar 11 and the step lever connection annulus 13, ball grooves 12 can be set on set collar 11,18 groups of voussoirs on the madial wall of voussoir annulus 26 agree with mutually with four ring gear shape voussoirs 2, and the voussoir on the lateral wall of voussoir annulus 26 embeds the guide groove 8 that places on cylindrical shell 20 inwalls for 19 groups;
By Fig. 1 and Fig. 2 as can be known, the long trough portion C of said screw rod elevating lever comprises: the long reserved part cylindrical shell 25 of screw rod, screw rod guide groove 7, collapsible spike 17 and screw rod guide finger 6, the internal diameter of the long reserved part cylindrical shell 25 of screw rod and the external diameter of screw rod 15 are complementary, be provided with collapsible spike 17 for 25 1 sections at the long reserved part cylindrical shell of screw rod, have screw rod guide groove 7 at the long reserved part cylindrical shell of screw rod 25 lateral surfaces, screw rod guide groove 7 contains screw rod guide finger 6;
The other end at the long reserved part cylindrical shell 25 of screw rod matches by ladder-type structure and rise and fall control part cylindrical shell 24, and three ring gear shape voussoirs (3) are axially fixed between them.
The said jack of the utility model is work like this:
To step the process of step lever 5 downwards are processes to pin each time, loosen and lift pin each time, and then be backhaul in the process of backhaul power assistant spring 4 reset responses.Process each time, step lever 5 drives and its cylindrical toroidal voussoir 1 that connects mutually, because cylindrical toroidal voussoir 1 Outer cylindrical voussoir 19 is subjected to voussoir and agrees with the constraint of part cylindrical shell 20 inwall guide grooves 8 at the circumferencial direction rotational freedom, make interior cylindrical voussoir 18 and the four ring gear shape voussoirs 2 that screw rod 15 is meshed of cylindrical toroidal voussoir 1 agree with when contacting, self can not rotate and but can make four ring gear shape voussoirs 2 rotate certain angle in circular segment (being about 30 degree), simultaneously on the one hand, four ring gear shape voussoirs 2 are subjected to the one-movement-freedom-degree constraint of cylindrical shell 20 and cylindrical shell 23 in the vertical directions and only rotate not lifting, on the other hand screw rod 15 be subjected to screw rod guide groove 7 in the constraint of the rotational freedom of circumferencial direction and only lifting do not rotate, thereby reach screw rod 15 then rise or descend;
When 1 backhaul of cylindrical toroidal voussoir, agree with part cylindrical shell 20 by the voussoir that makes it and agree with contact mutually with three ring gear shape voussoirs 3, can make cylindrical toroidal voussoir 1 rotate certain angle in circular segment (about 35 degree), then backhaul finishes to change over to process, cylindrical toroidal voussoir 1 contacts with notch chamfering inclined-plane on the barrel then, rotate certain angle in circular segment (being about 25 degree) again, about moving 60 degree of whole control process corotation, guaranteed the correct Contact Transmission of next process cylindrical toroidal voussoir 1 and four ring gear shape voussoirs 2, and the angular adjustment of cylindrical toroidal voussoir 1 on conter clockwise or clockwise direction, can cause the change that agrees with the position of cylindrical toroidal voussoir 1 and four ring gear shape voussoirs 2 in the following process accordingly, thereby cause the change of four ring gear shape voussoirs, 2 rotation directions, by regulating rise and fall change-over switch 9, what change three ring gear shape voussoirs 3 agrees with position (rotational angle be 8 degree), has finally played and has switched the rising of screw rod 15 or the function of decline.
Claims (4)
1, a kind of foot-operated ring-type voussoir drives jack, it is characterized in that, said jack divides the parts of voussoir screw engages worm drive circlewise (A), lifting control and switching part (B) and the long trough part of screw rod elevating lever (C) along its axis direction;
Said ring-type voussoir screw engages worm drive parts (A) comprising: cylinder cover (23), cylindrical shell (20), four ring gear shape voussoirs (2) and backhaul power assistant spring (4), coaxial four ring gear shape voussoirs (2) and the backhaul power assistant spring (4) of being equipped with in cylindrical shell (20), backhaul power assistant spring (4) places between cylindrical shell (20) and the four ring gear shape voussoirs (2), four ring gear shape voussoirs (2) are provided with the negative thread that is complementary with screw rod (15) outside thread, and four ring gear shape voussoirs (2) are fixing with buckle mode and cylindrical shell (20) by cylinder cover (23);
Said lifting control and switching part (B) comprising: cylindrical toroidal voussoir (1), three ring gear shape voussoirs (3), step lever (5), rise and fall change-over switch (9) lever attachment pegs (21) and rise and fall control part cylindrical shell (24), cylindrical toroidal voussoir (1) is connected with step lever (5) by lever attachment pegs (21), three ring gear shape voussoirs (3) are fixed on an end of the long reserved part cylindrical shell of screw rod (25) in the buckle mode by rise and fall control part cylindrical shell (24), the outside of one end of the long reserved part cylindrical shell of screw rod (25) is provided with rise and fall change-over switch (9), and rise and fall change-over switch (9) is captiveed joint with three ring gear shape voussoirs (3);
Wherein said cylindrical toroidal voussoir (1) comprising: set collar (11), step lever connect annulus (13) and voussoir annulus (26), interior and lateral wall at voussoir annulus (26) is provided with several voussoirs, the step lever connects annulus (13) and is fixed on the voussoir annulus (26) in the buckle mode by set collar (11), voussoir (18) group on the madial wall of voussoir annulus (26) is agreed with mutually with four ring gear shape voussoirs (2), and voussoir (19) group on the lateral wall of voussoir annulus (26) embeds the guide groove (8) that places on cylindrical shell (20) inwall;
The long trough part of said screw rod elevating lever (C) comprising: the long reserved part cylindrical shell (25) of screw rod, screw rod guide groove (7), collapsible spike (17) and screw rod guide finger (6), the internal diameter of the long reserved part cylindrical shell of screw rod (25) and the external diameter of screw rod (15) are complementary, be provided with collapsible spike (17) for (25) one sections at the long reserved part cylindrical shell of screw rod, have screw rod guide groove (7) at long reserved part cylindrical shell (25) lateral surface of screw rod, screw rod guide groove (7) contains screw rod guide finger (6);
The other end at the long reserved part cylindrical shell of screw rod (25) matches by ladder-type structure and rise and fall control part cylindrical shell (24), and three ring gear shape voussoirs (3) are axially fixed between them.
As the said jack of claim 1, it is characterized in that 2, wherein four ring gear shape voussoirs (2) and voussoir agree with part cylindrical shell (20) contact position and be provided with ball grooves (10).
3, as the said jack of claim 1, it is characterized in that, wherein on the set collar (11) ball grooves (12) is set.
As the said jack of claim 1, it is characterized in that 4, wherein the madial wall of voussoir annulus (26) lateral wall that is provided with 4 cylindrical voussoirs (18), voussoir annulus (26) is provided with 6 cylindrical voussoirs (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041591 CN200967720Y (en) | 2006-05-08 | 2006-05-08 | Foot-actuated annular wedge driven jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041591 CN200967720Y (en) | 2006-05-08 | 2006-05-08 | Foot-actuated annular wedge driven jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200967720Y true CN200967720Y (en) | 2007-10-31 |
Family
ID=38967288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620041591 Expired - Fee Related CN200967720Y (en) | 2006-05-08 | 2006-05-08 | Foot-actuated annular wedge driven jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200967720Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878821A (en) * | 2014-02-26 | 2014-06-25 | 安徽鑫锐电气集团有限公司 | Lifting clamping platform for punching |
| CN103979450A (en) * | 2014-04-24 | 2014-08-13 | 华国洋 | Jack extension-retraction device |
| CN107055369A (en) * | 2017-02-24 | 2017-08-18 | 广东工业大学 | A kind of automatic lifting equipment |
| CN112661056A (en) * | 2019-10-15 | 2021-04-16 | 赣州拓途智能科技有限公司 | Hollow mechanism capable of ascending and rotating |
-
2006
- 2006-05-08 CN CN 200620041591 patent/CN200967720Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878821A (en) * | 2014-02-26 | 2014-06-25 | 安徽鑫锐电气集团有限公司 | Lifting clamping platform for punching |
| CN103979450A (en) * | 2014-04-24 | 2014-08-13 | 华国洋 | Jack extension-retraction device |
| CN107055369A (en) * | 2017-02-24 | 2017-08-18 | 广东工业大学 | A kind of automatic lifting equipment |
| CN107055369B (en) * | 2017-02-24 | 2019-09-24 | 广东工业大学 | A kind of automatic lifting equipment |
| CN112661056A (en) * | 2019-10-15 | 2021-04-16 | 赣州拓途智能科技有限公司 | Hollow mechanism capable of ascending and rotating |
| CN112661056B (en) * | 2019-10-15 | 2023-09-05 | 江西华顺阳光家具有限公司 | Ascending and rotating hollow mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |