CN204454413U - Jack - Google Patents
Jack Download PDFInfo
- Publication number
- CN204454413U CN204454413U CN201520049307.0U CN201520049307U CN204454413U CN 204454413 U CN204454413 U CN 204454413U CN 201520049307 U CN201520049307 U CN 201520049307U CN 204454413 U CN204454413 U CN 204454413U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- jointed shaft
- screw rod
- right connecting
- acrosome
- 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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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a kind of jack, it comprises base, left lower link, upper left connecting rod, bottom right connecting rod, upper right connecting rod, the first jointed shaft, the second jointed shaft, acrosome, screw rod and free wrench, jack of the present utility model passes through left lower link, upper left connecting rod, bottom right connecting rod, upper right connecting rod, acrosome, base and the first jointed shaft and the second jointed shaft composition connecting rod mechanism, described first jointed shaft and the motion of the second jointed shaft can be operated by screw rod, thus operate described connecting rod mechanism movement, described bolt rotary is operated by free wrench, realize described acrosome being risen or falling, this jack in use, the function of described jack can be realized by the up-and-down movement of described free wrench, overcome the shortcoming of complex operation of the prior art, and free wrench has the longer arm of force compared to described swing handle, make the power required for this jack less.
Description
Technical field
The utility model relates to a kind of weight-lifting equipment, particularly relates to a kind of jack.
Background technology
Tradition as shown in Figure 1 rises the jack of automobile, mainly comprise permanent seat 1 ', a top 4 ', connecting rod mechanism 2 ' and the dwang 3 ' being connected to connecting rod mechanism two ends, be provided with one in dwang end and be rotationally connected 5 ', connector 5 ' is provided with through hole, user is when rising jack, with the through hole on the turning tool mounting connectors 5 ' such as rotating lever 7 ', one holds rotating lever 7 ' front end axle 71 ' afterwards, another holds swing handle 72 ' rotation and drives dwang 3 ' to rotate, and realizes rising of jack; When rising heavy objects, needing larger strength, being unfavorable for user's operation that strength is less, and when just starting to rise jack, tool into rotation, to the accommodating conflict of bottom position to ground, needs instrument to extract through hole, insert through hole again to rotate from another face, make complex operation.
Utility model content
The utility model object is to provide a kind of jack, and it does not need plate turning tool when rising, and only needs less power.
The utility model technical solution problem adopts following technical scheme: a kind of jack, and it comprises base, left lower link, upper left connecting rod, bottom right connecting rod, upper right connecting rod, the first jointed shaft, the second jointed shaft, acrosome, screw rod and free wrench;
One end of described left lower link is articulated with the left end of described base, and one end of described bottom right connecting rod is articulated with the right-hand member of described base;
One end of described upper left connecting rod is articulated with the left end of described acrosome, and one end of described upper right connecting rod is articulated with the right-hand member of described acrosome;
The other end of described left lower link is articulated with the other end of described upper left connecting rod by described first jointed shaft;
The other end of described bottom right connecting rod is articulated with the other end of described upper right connecting rod by described second jointed shaft;
Described first jointed shaft and the second jointed shaft offer the first tapped bore and the second tapped bore respectively, and described first tapped bore and the second tapped bore are perpendicular to the axis of described first jointed shaft and the second jointed shaft; And described first tapped bore is identical with the pitch of the second tapped bore, thread rotary orientation is contrary;
The left end of described screw rod coordinates with described first tapped bore, and the right-hand member of described screw rod coordinates with described second tapped bore;
The ratchet head of described free wrench and the middle part of described screw rod fix.
Optionally, described free wrench comprises ratchet wrench main body and handle, and described handle is articulated with in described ratchet wrench main body by the 3rd jointed shaft.
Optionally, the pin jointed end of described handle comprises the first arc sections and the second arc sections, described first arc sections is positioned at the right side of described second arc sections, described first arc sections is the arc surface coaxial with described 3rd jointed shaft, and the curvature of described second arc sections is less than the curvature of described first arc sections.
Optionally, described jack also comprises permanent magnet, and described permanent magnet is fixed on described second jointed shaft, and described handle adopts steel standby, and described handle can be fixed on described permanent magnet by absorption.
Optionally, described left lower link, upper left connecting rod, bottom right connecting rod are identical with the length of upper right connecting rod.
Optionally, described first jointed shaft and the second jointed shaft parallel.
Optionally, described screw rod comprises left screw rod and right screw rod, the ratchet head of described free wrench is fixed with left connecting element and right connecting element, and described left screw rod and described left connecting element are fixed, and described right screw rod and described right connecting element are fixed; The corresponding threaded holes of described left screw rod and described first jointed shaft closes, and the corresponding threaded holes of described right screw rod and described second jointed shaft closes.
Optionally, described jack also comprises block, and described block is fixed on described screw rod, and is positioned at the left side of described first jointed shaft or the right side of described second jointed shaft.
Optionally, the pin jointed end of described left lower link and described base is provided with the first half gears, and the center of rotation of described the first half gears is the jointed shaft of described left lower link and described base; The pin jointed end of described bottom right connecting rod and described base is provided with the second half gears, and the center of rotation of described the second half gears is the jointed shaft of described bottom right connecting rod and described base; Described the first half gears and the second half gears are meshed;
And/or, the pin jointed end of described upper left connecting rod and described acrosome is provided with the 3 half gear, the center of rotation of described 3 half gear is the jointed shaft of described upper left connecting rod and described acrosome, the pin jointed end of described upper right connecting rod and described acrosome is provided with the 4 half gear, the center of rotation of described 4 half gear is the jointed shaft of described upper right connecting rod and described acrosome, and described 3 half gear and the 4 half gear are meshed.
The utility model has following beneficial effect: jack of the present utility model passes through left lower link, upper left connecting rod, bottom right connecting rod, upper right connecting rod, acrosome, base and the first jointed shaft and the second jointed shaft composition connecting rod mechanism, described first jointed shaft and the motion of the second jointed shaft can be operated by screw rod, thus operator link mechanism kinematic, described bolt rotary is operated by free wrench, realize described acrosome being risen or falling, this jack in use, the function of described jack can be realized by the up-and-down movement of described free wrench, overcome the shortcoming of complex operation of the prior art, and free wrench has the longer arm of force compared to described swing handle, make the power required for this jack less.
Accompanying drawing explanation
Fig. 1 is the structural representation of jack of the prior art;
Fig. 2 is the structural representation of jack of the present utility model;
Fig. 3 is another structural representation of jack of the present utility model;
Fig. 4 is the structural representation of free wrench of the present utility model;
In figure, mark is illustrated as:
1 '-permanent seat; 2 '-connecting rod mechanism; 3 '-dwang; 4 '-play top; 5 '-connector; 7 '-rotating lever; 71 '-front end axle; 72 '-swing handle;
1-base; 2-left lower link; 3-upper left connecting rod; 4-bottom right connecting rod; 5-upper right connecting rod; 6-first jointed shaft; 7-second jointed shaft; 8-acrosome; 9-screw rod; 10-free wrench; 11-ratchet wrench main body; 12-handle; 13-the 3rd jointed shaft; 14-permanent magnet; The left screw rod of 15-; The right screw rod of 16-; The left connecting element of 17-; The right connecting element of 18-; 19-first arc sections; 20-second arc sections.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
Embodiment 1
Present embodiments provide a kind of jack, it comprises base 1, left lower link 2, upper left connecting rod 3, bottom right connecting rod 4, upper right connecting rod 5, first jointed shaft 6, second jointed shaft 7, acrosome 8, screw rod 9 and free wrench 10.
One end of described left lower link 2 is articulated with the left end of described base 1, and one end of described bottom right connecting rod 4 is articulated with the right-hand member of described base 1;
One end of described upper left connecting rod 3 is articulated with the left end of described acrosome 8, and one end of described upper right connecting rod 5 is articulated with the right-hand member of described acrosome 8;
The other end of described left lower link 2 is articulated with the other end of described upper left connecting rod 3 by described first jointed shaft 6;
The other end of described bottom right connecting rod 4 is articulated with the other end of described upper right connecting rod 5 by described second jointed shaft 7;
Described first jointed shaft 6 and the second jointed shaft 7 offer the first tapped bore and the second tapped bore respectively, and described first tapped bore and the second tapped bore are perpendicular to the axis of described first jointed shaft 6 and the second jointed shaft 7; And described first tapped bore is identical with the pitch of the second tapped bore, thread rotary orientation is contrary, and such as: when the negative thread of described first tapped bore is left-handed, the negative thread of described second tapped bore is dextrorotation; When the negative thread of described first tapped bore is dextrorotation, the negative thread of described second tapped bore is left-handed;
The left end of described screw rod 9 coordinates with described first tapped bore, and the right-hand member of described screw rod 9 coordinates with described second tapped bore;
The ratchet head of described free wrench 10 and the middle part of described screw rod 9 fix, and described ratchet head overlaps with the axial line of described screw rod 9.
In the present embodiment, because described free wrench 10 is perpendicular to described screw rod 9, for solving its storage problem, the handle of described free wrench 10 forms foldable mechanism, specifically, described free wrench 10 comprises ratchet wrench main body 11 and handle 12, described handle 12 is articulated with in described ratchet wrench main body 11 by the 3rd jointed shaft 13, and the pin jointed end of described handle 12 comprises the first arc sections 19 and the second arc sections 20, described first arc sections 19 is positioned at the right side (see Fig. 4) of described second arc sections 20, described first arc sections 19 is the arc surface coaxial with described 3rd jointed shaft 13, the curvature of described second arc sections 20 is less than the curvature of described first arc sections 19, when described handle 12 rotates along described 3rd jointed shaft 13, described arc surface can slide along the face contacted with described arc surface of described ratchet wrench main body 11, when described ratchet wrench main body 11 contacts described second arc sections 20, described handle 12 can not rotate further, namely make described handle 12 fix.Further, for make described handle 12 receive time can be effectively fixing, described jack also comprises permanent magnet 14, described permanent magnet 14 is fixed on described second jointed shaft 7, described handle 12 adopts the magnetic material such as iron or steel to prepare, when described jack is in receiving state, described handle 12 is fixed on described permanent magnet 14 by absorption.
In the present embodiment, for convenience of the assembling of described jack, described screw rod 9 comprises left screw rod 15 and right screw rod 16, the ratchet head of described free wrench 10 is fixed with left connecting element 17 and right connecting element 18, described left screw rod 15 is fixed with described left connecting element 17, described right screw rod 16 is fixed with described right connecting element 18, and during to drive described left connecting element 17 and right connecting element 18 to rotate when described free wrench 10, described left screw rod 15 and right screw rod 16 can synchronous axial system; Now described left screw rod 15 closes with the corresponding threaded holes of described first jointed shaft 6, and described right screw rod 16 closes with the corresponding threaded holes of described second jointed shaft 7.
In the present embodiment, for improving the stability of described jack top lifting process, described left lower link 2, upper left connecting rod 3, bottom right connecting rod 4 are identical with the length of upper right connecting rod 5, and described first jointed shaft 6 and the second jointed shaft 7 parallel.
In the present embodiment, for controlling the stroke of described screw rod 9, described screw rod 9 can arrange a block, described block is fixed on described screw rod 9 and is positioned on the thread segment of described second jointed shaft 7 right part, or is positioned on the thread segment of described first jointed shaft 6 left part.
In the present embodiment, for making described left lower link 2 and bottom right connecting rod 4 synchronous axial system, described left lower link 2 and the pin jointed end of described base 1 are provided with the first half gears, the center of rotation of described the first half gears is described left lower link 2 and the jointed shaft of described base 1, described bottom right connecting rod 4 and the pin jointed end of described base 1 are provided with the second half gears, the center of rotation of described the second half gears is described bottom right connecting rod 4 and the jointed shaft of described base 1, and described the first half gears and the second half gears are meshed; Equally, for making described upper left connecting rod 3 and upper right connecting rod 5 synchronous axial system, described upper left connecting rod 3 is provided with the 3 half gear with the pin jointed end of described acrosome 8, the center of rotation of described 3 half gear is the jointed shaft of described upper left connecting rod 3 and described acrosome 8, described upper right connecting rod 5 is provided with the 4 half gear with the pin jointed end of described acrosome 8, the center of rotation of described 4 half gear is the jointed shaft of described upper right connecting rod 5 and described acrosome 8, and described 3 half gear and the 4 half gear are meshed.
The sequencing of above embodiment, only for ease of describing, does not represent the quality of embodiment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a jack, it is characterized in that, comprise base (1), left lower link (2), upper left connecting rod (3), bottom right connecting rod (4), upper right connecting rod (5), the first jointed shaft (6), the second jointed shaft (7), acrosome (8), screw rod (9) and free wrench (10);
One end of described left lower link (2) is articulated with the left end of described base (1), and one end of described bottom right connecting rod (4) is articulated with the right-hand member of described base (1);
One end of described upper left connecting rod (3) is articulated with the left end of described acrosome (8), and one end of described upper right connecting rod (5) is articulated with the right-hand member of described acrosome (8);
The other end of described left lower link (2) is articulated with the other end of described upper left connecting rod (3) by described first jointed shaft (6);
The other end of described bottom right connecting rod (4) is articulated with the other end of described upper right connecting rod (5) by described second jointed shaft (7);
Described first jointed shaft (6) and the second jointed shaft (7) offer the first tapped bore and the second tapped bore respectively, and described first tapped bore and the second tapped bore are perpendicular to the axis of described first jointed shaft (6) and the second jointed shaft (7); And described first tapped bore is identical with the pitch of the second tapped bore, thread rotary orientation is contrary;
The left end of described screw rod (9) coordinates with described first tapped bore, and the right-hand member of described screw rod (9) coordinates with described second tapped bore;
The ratchet head of described free wrench (10) and the middle part of described screw rod (9) fix.
2. jack according to claim 1, it is characterized in that, described free wrench (10) comprises ratchet wrench main body (11) and handle (12), and described handle (12) is articulated with in described ratchet wrench main body (11) by the 3rd jointed shaft (13).
3. jack according to claim 2, it is characterized in that, the pin jointed end of described handle (12) comprises the first arc sections (19) and the second arc sections (20), described first arc sections (19) is positioned at the right side of described second arc sections (20), described first arc sections (19) is the arc surface coaxial with described 3rd jointed shaft (13), and the curvature of described second arc sections (20) is less than the curvature of described first arc sections (19).
4. jack according to claim 3, it is characterized in that, also comprise permanent magnet (14), described permanent magnet (14) is fixed on described second jointed shaft (7), described handle (12) adopts steel standby, and described handle (12) can be fixed on described permanent magnet (14) by absorption.
5. jack according to claim 4, is characterized in that, described left lower link (2), upper left connecting rod (3), bottom right connecting rod (4) are identical with the length of upper right connecting rod (5).
6. jack according to claim 5, is characterized in that, described first jointed shaft (6) and the second jointed shaft (7) parallel.
7. jack according to claim 6, it is characterized in that, described screw rod (9) comprises left screw rod (15) and right screw rod (16), the ratchet head of described free wrench (10) is fixed with left connecting element (17) and right connecting element (18), described left screw rod (15) is fixed with described left connecting element (17), and described right screw rod (16) is fixed with described right connecting element (18); Described left screw rod (15) is closed with the corresponding threaded holes of described first jointed shaft (6), and described right screw rod (16) is closed with the corresponding threaded holes of described second jointed shaft (7).
8. jack according to claim 7, it is characterized in that, also comprise block, described block is fixed on described screw rod (9), and is positioned at the left side of described first jointed shaft (6) or the right side of described second jointed shaft (7).
9. jack according to claim 8, it is characterized in that, the pin jointed end of described left lower link (2) and described base (1) is provided with the first half gears, and the center of rotation of described the first half gears is described left lower link (2) and the jointed shaft of described base (1); The pin jointed end of described bottom right connecting rod (4) and described base (1) is provided with the second half gears, and the center of rotation of described the second half gears is described bottom right connecting rod (4) and the jointed shaft of described base (1); Described the first half gears and the second half gears are meshed;
And/or, described upper left connecting rod (3) is provided with the 3 half gear with the pin jointed end of described acrosome (8), the center of rotation of described 3 half gear is the jointed shaft of described upper left connecting rod (3) and described acrosome (8), described upper right connecting rod (5) is provided with the 4 half gear with the pin jointed end of described acrosome (8), the center of rotation of described 4 half gear is the jointed shaft of described upper right connecting rod (5) and described acrosome (8), and described 3 half gear and the 4 half gear are meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049307.0U CN204454413U (en) | 2015-01-23 | 2015-01-23 | Jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049307.0U CN204454413U (en) | 2015-01-23 | 2015-01-23 | Jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204454413U true CN204454413U (en) | 2015-07-08 |
Family
ID=53661328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520049307.0U Expired - Fee Related CN204454413U (en) | 2015-01-23 | 2015-01-23 | Jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204454413U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445095A (en) * | 2017-09-24 | 2017-12-08 | 英立（江苏）机电有限公司 | A kind of new jack |
| CN108127652A (en) * | 2018-01-31 | 2018-06-08 | 宁夏巨能机器人股份有限公司 | A kind of heavy type truss manipulator |
| CN109436722A (en) * | 2018-10-30 | 2019-03-08 | 金锋馥（滁州）输送机械有限公司 | A kind of hand angle adjustable climbing belt machine |
| CN109987537A (en) * | 2019-03-24 | 2019-07-09 | 宁波天胜传动件有限公司 | A kind of scissor-like jack and its application method of safety and firmness |
| CN110901720A (en) * | 2019-12-09 | 2020-03-24 | 南城县南兴物流有限公司 | Shallow is used in commodity circulation transport |
-
2015
- 2015-01-23 CN CN201520049307.0U patent/CN204454413U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445095A (en) * | 2017-09-24 | 2017-12-08 | 英立（江苏）机电有限公司 | A kind of new jack |
| CN108127652A (en) * | 2018-01-31 | 2018-06-08 | 宁夏巨能机器人股份有限公司 | A kind of heavy type truss manipulator |
| CN109436722A (en) * | 2018-10-30 | 2019-03-08 | 金锋馥（滁州）输送机械有限公司 | A kind of hand angle adjustable climbing belt machine |
| CN109987537A (en) * | 2019-03-24 | 2019-07-09 | 宁波天胜传动件有限公司 | A kind of scissor-like jack and its application method of safety and firmness |
| CN110901720A (en) * | 2019-12-09 | 2020-03-24 | 南城县南兴物流有限公司 | Shallow is used in commodity circulation transport |
| CN110901720B (en) * | 2019-12-09 | 2021-05-28 | 龙岩市闽盛物流有限公司 | Shallow is used in commodity circulation transport |
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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 |
Granted publication date: 20150708 Termination date: 20190123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |