CN109019394A - A kind of top adjustable lifting jack - Google Patents
A kind of top adjustable lifting jack Download PDFInfo
- Publication number
- CN109019394A CN109019394A CN201810992098.1A CN201810992098A CN109019394A CN 109019394 A CN109019394 A CN 109019394A CN 201810992098 A CN201810992098 A CN 201810992098A CN 109019394 A CN109019394 A CN 109019394A
- Authority
- CN
- China
- Prior art keywords
- ontology
- fixed
- card
- installation
- groove portion
- 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.)
- Granted
Links
- 230000000694 effects Effects 0.000 claims abstract description 22
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 30
- 239000011111 cardboard Substances 0.000 claims description 25
- 230000008676 import Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims 1
- 239000010432 diamond Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/12—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated comprising toggle levers
Abstract
The invention discloses a kind of top adjustable lifting jacks, including pedestal, rhombic supporting frame, lead screw, fixed top, driving adjusts component and activity top, the pedestal is equipped with rhombic supporting frame, the hinged end of rhombic supporting frame two sides is equipped with lead screw, the top of the rhombic supporting frame is equipped with fixed top, the two sides of the fixed top are equipped with locking mechanism, the driving adjusts the top that component is mounted on fixed top, the driving adjusts and symmetrically offers the lock slots matched with locking mechanism on component, the driving adjusts and is equipped with height adjustment assembly above component, the activity top is installed on the top of height adjustment assembly by tight fixed bolt, by the way that demountable activity top is arranged on fixed top, it can adapt to different lifting requirements, the height of component carry out activity top is adjusted using driving simultaneously Control is adjusted, the versatility of jack is improved.
Description
[technical field]
The present invention relates to technical field of jacks, especially a kind of technical field for coming directly towards adjustable lifting jack.
[background technique]
Jack be it is a kind of use rigidity top lift part as equipment, pushed up in stroke by top bracket or bottom claw
The light and small lifting equipment for rising weight, is the emergency maintenance device of automobile indispensability.Since the suspension down stroke of different vehicle, tire become
The parameters disunity such as very heavy top support point height in shape amount, vehicle body, car owner is in Dismountable wheel, needed for different vehicle most
High lift height disunity, the jack generalization degree for eventually leading to automobile main frame maker's exploitation is lower, and repeatability is brought to open
The wasting phenomenon of hair.Its lifting is just able to satisfy there are also the huge high-stroke jack of some vehicle Structure of need to require, and it is limited
Standby box space be often difficult to arrange the jack of this huge structure.In addition, due to top support point structure very heavy on vehicle body
Difference, also result in it is different support point structures vehicle bodies need to design different top structures jack it is matched, otherwise, thousand
The top contact of jin top is ineffective, or even brings safety problem.Therefore the generally existing maximum lifting of existing car jack is high
The problems such as degree is fixed, the general degree of different vehicle is poor, it is therefore necessary to which a kind of top adjustable lifting jack is provided.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, propose a kind of top adjustable lifting jack, by
Demountable activity top is set on fixed top, can adapt to different lifting requirements, while component is adjusted using driving
The height adjustment of carry out activity top controls, and improves the versatility of jack.
To achieve the above object, the invention proposes a kind of top adjustable lifting jack, including pedestal, rhombic supporting frame,
Lead screw, fixed top, driving adjust component and activity top, and the pedestal is equipped with rhombic supporting frame, the rhombic supporting frame
The hinged end of two sides is equipped with lead screw, and the top of the rhombic supporting frame is equipped with fixed top, the two sides installation of the fixed top
There is locking mechanism, the driving adjusts the top that component is mounted on fixed top, and the driving is adjusted symmetrically to be offered on component
The lock slots matched with locking mechanism, the driving adjust and are equipped with height adjustment assembly, the movable top above component
Head is installed on the top of height adjustment assembly by tight fixed bolt.
Preferably, it further includes support ontology, posting, the second limiting card groove portion, the branch that the driving, which adjusts component,
The upper surface for supportting ontology is equipped with the second limiting card groove portion, the first limiting card of the second limiting card groove portion and fixed top top
Groove portion matches, and the two sides of the support ontology are symmetrically arranged with posting, and lock slots, the height are offered on the posting
Adjust the top that component is mounted on support ontology.
Preferably, the height adjustment assembly includes screw shell, adjusting screw rod, jacking block and limited ring groove, the tune
One end of section screw rod is connected with screw shell screw thread, and the other end of the adjusting screw rod is connected with jacking block, and the jacking block is equipped with
The cross sectional shape of one word drive slot, the jacking block is circle, and the circumferential direction of the jacking block offers the limit matched with tight fixed bolt
Position annular groove.
Preferably, the fixed top further includes the first top ontology, the first limiting card groove portion and installation card frame, it is described
The top of first top ontology is equipped with the first limiting card groove portion, and the two sides of first top ontology are extended with the first peace of bending
Wing plate is filled, the rhombic supporting frame is hinged with the first installation wing plate, and the installation card frame is fixed on the side of the first installation wing plate
On wall, locking mechanism is installed in the installation card frame.
Preferably, the locking mechanism includes installation sleeve, telescopic rod, locking strip, it is equipped in the locking mechanism
Several installation sleeves are fixed with, the telescopic rod is mounted in installation sleeve by spring, the end of the telescopic rod and lock
Determine strip to be connected, the locking strip is matched with lock slots, and the side of the locking strip, which is equipped with, imports cambered surface, the locking
The lower end surface of strip is equipped with Horizontal limiting face, and the locking strip runs through the side wall of installation card frame, the side wall of the installation card frame
Equipped with through slot.
Preferably, it is described activity top further include the second top ontology, third limiting card groove portion, support card board group part and
Limit card board, second top bodies top are equipped with third limiting card groove portion, and the support card board group part is mounted on the second top
In head ontology, the lower end surface of the support card board group part is symmetrically arranged with two limit card boards, and the limit card board is arc snap-gauge,
The cavity matched with the jacking block of height adjustment assembly is formed between the limit card board, the inner wall of the limit card board lower end is set
There is an importing chamfering, the both ends of second top ontology are extended with the wing plate bent downward, offer on the wing plate and tightening
The threaded hole that bolt matches.
Beneficial effects of the present invention: the present invention adjusts component by pedestal, rhombic supporting frame, lead screw, fixed top, driving
The first-class cooperation with movable top is come directly towards by the way that demountable activity is arranged on fixed top, can adapt to different liftings
It is required that while using driving adjust component carry out activity top height adjustment control, improve the versatility of jack.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram for coming directly towards adjustable lifting jack of the present invention；
Fig. 2 is a kind of structural schematic diagram for the installation condition for coming directly towards adjustable lifting jack of the present invention；
Fig. 3 is the schematic diagram that a kind of driving of top adjustable lifting jack of the present invention adjusts component；
Fig. 4 is the left view schematic diagram that a kind of driving of top adjustable lifting jack of the present invention adjusts component；
Fig. 5 is a kind of left view schematic diagram of the fixed top of top adjustable lifting jack of the present invention；
Fig. 6 is a kind of schematic cross-section of the activity top of top adjustable lifting jack of the present invention；
Fig. 7 is the signal that a kind of driving of top adjustable lifting jack of the present invention adjusts component and activity top mated condition
Figure.
[specific embodiment]
Refering to fig. 1 to Fig. 7, a kind of top adjustable lifting jack of the present invention, including pedestal 1, rhombic supporting frame 2, lead screw 3,
Fixed top 4, driving adjust component 5 and activity top 6, and the pedestal 1 is equipped with rhombic supporting frame 2, the rhombic supporting frame 2
The hinged end of two sides is equipped with lead screw 3, and the top of the rhombic supporting frame 2 is equipped with fixed top 4, the two sides of the fixed top 4
Locking mechanism 44 is installed, the driving adjusts the top that component 5 is mounted on fixed top 4, and the driving adjusts right on component 5
Title offers the lock slots 521 matched with locking mechanism 44, and the top that the driving adjusts component 5 is equipped with height adjustment group
Part 54, the activity top 6 are installed on the top of height adjustment assembly 54 by tight fixed bolt 60.The driving adjusts component 5
It further include support ontology 51, posting 52, the second limiting card groove portion 53, the upper surface of the support ontology 51 is equipped with the second limit
Card slot portion 53, the second limiting card groove portion 53 are matched with the first limiting card groove portion 42 at fixed 4 top of top, the support
The two sides of ontology 51 are symmetrically arranged with posting 52, and lock slots 521, the height adjustment assembly 54 are offered on the posting 52
It is mounted on the top of support ontology 51.The height adjustment assembly 54 includes screw shell 541, adjusting screw rod 542, jacking block 543
Be connected with one end of limited ring groove 544, the adjusting screw rod 542 with 541 screw thread of screw shell, the adjusting screw rod 542 it is another
One end is connected with jacking block 543, and the jacking block 543 is equipped with a word drive slot 5431, and the cross sectional shape of the jacking block 543 is circle
Shape, the circumferential direction of the jacking block 543 offer the limited ring groove 544 matched with tight fixed bolt 60.The fixed top 4 further includes
The top of first top ontology 41, the first limiting card groove portion 42 and installation card frame 43, first top ontology 41 is equipped with first
Limiting card groove portion 42, the two sides of first top ontology 41 are extended with the first installation wing plate 411 of bending, the rhombic supporting
Frame 2 is hinged with the first installation wing plate 411, and the installation card frame 43 is fixed on the side wall of the first installation wing plate 411, the peace
It is loaded in frame 43 and locking mechanism 44 is installed.The locking mechanism 44 includes installation sleeve 441, telescopic rod 442, locking strip
443, interior be equipped with of locking mechanism 44 is fixed with several installation sleeves 441, and the telescopic rod 442 is mounted on by spring
In sleeved 441, the end of the telescopic rod 442 is connected with locking strip 443, the locking strip 443 and 521 phase of lock slots
Cooperation, the side of the locking strip 443, which is equipped with, imports cambered surface, and the lower end surface of the locking strip 443 is equipped with Horizontal limiting face,
The locking strip 443 runs through the side wall of installation card frame 43, and the side wall of the installation card frame 43 is equipped with through slot.The activity top
6 further include the second top ontology 61, third limiting card groove portion 62, support card board group part 63 and limit card board 64, second top
It is equipped with third limiting card groove portion 62 at the top of head ontology 61, the support card board group part 63 is mounted in the second top ontology 61, institute
The lower end surface for stating support card board group part 63 is symmetrically arranged with two limit card boards 64, and the limit card board 64 is arc snap-gauge, described
The cavity matched with the jacking block 543 of height adjustment assembly 54 is formed between limit card board 64,64 lower end of limit card board
Inner wall, which is equipped with, imports chamfering 641, and the both ends of second top ontology 61 are extended with the wing plate 611 bent downward, the wing plate
The threaded hole 612 matched with tight fixed bolt 60 is offered on 611.
The course of work of the present invention:
A kind of working principle for coming directly towards adjustable lifting jack of the present invention are as follows: pass through pedestal, rhombic supporting frame, lead screw, fixation
Top, driving adjust component and the first-class cooperation of movable top, are come directly towards by the way that demountable activity is arranged on fixed top, energy
Different lifting requirements is enough adapted to, while adjusting the height adjustment control of component carry out activity top using driving, is improved very heavy
Driving is first adjusted component 5 and is installed on fixed top by the versatility on top when needing lift height to be more than the limit of fixed top 4
On first 4, wherein locking mechanism 44 can be matched with lock slots 521, and the second limiting card groove portion 53 and fixed 4 top of top
The first limiting card groove portion 42 match, realize driving adjust component 5 positioning, exchanged according to actual needs by a word spanner
The height of section screw rod 542 is adjusted, and then activity top 6 is mounted on jacking block 543, wherein 64 energy of limit card board of arc
It is enough stuck in the periphery of jacking block 543, tight fixed bolt 60 is then screwed into limited ring groove 544, the locking of completion activity top 6 is real
The height adjustment now come directly towards.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of top adjustable lifting jack, it is characterised in that: including pedestal (1), rhombic supporting frame (2), lead screw (3), fix
It comes directly towards (4), driving adjusting component (5) and activity top (6), the pedestal (1) and rhombic supporting frame (2), the diamond shape is installed
The hinged end of support frame (2) two sides is equipped with lead screw (3), and the top of the rhombic supporting frame (2) is equipped with fixed top (4), described
The two sides of fixed top (4) are equipped with locking mechanism (44), and the driving adjusts component (5) and is mounted on the upper of fixed top (4)
Side, the driving adjust and symmetrically offer the lock slots (521) matched with locking mechanism (44), the driving on component (5)
It adjusts and is equipped with height adjustment assembly (54) above component (5), the activity top (6) is installed on by tight fixed bolt (60)
The top of height adjustment assembly (54).
2. a kind of top adjustable lifting jack as described in claim 1, it is characterised in that: the driving adjusts component (5) also
Including supporting ontology (51), posting (52), the second limiting card groove portion (53), the upper surface of support ontology (51) is equipped with the
The first limiting card groove portion (42) at the top of two limiting card groove portions (53), the second limiting card groove portion (53) and fixed top (4)
It matches, the two sides of support ontology (51) are symmetrically arranged with posting (52), offer lock slots on the posting (52)
(521), the height adjustment assembly (54) is mounted on the top of support ontology (51).
3. a kind of top adjustable lifting jack as described in claim 1, it is characterised in that: height adjustment assembly (54) packet
Include screw shell (541), adjusting screw rod (542), jacking block (543) and limited ring groove (544), the one of the adjusting screw rod (542)
End is connected with screw shell (541) screw thread, and the other end of the adjusting screw rod (542) is connected with jacking block (543), the jacking block
(543) it is equipped with a word drive slot (5431), the cross sectional shape of the jacking block (543) is circle, the circumferential direction of the jacking block (543)
Offer the limited ring groove (544) matched with tight fixed bolt (60).
4. a kind of top adjustable lifting jack as described in claim 1, it is characterised in that: fixed come directly towards (4) further include
First top ontology (41), the first limiting card groove portion (42) and installation card frame (43), the top of first top ontology (41)
Equipped with the first limiting card groove portion (42), the two sides of first top ontology (41) are extended with the first installation wing plate of bending
(411), the rhombic supporting frame (2) is hinged with the first installation wing plate (411), and the installation card frame (43) is fixed on the first peace
On the side wall for filling wing plate (411), locking mechanism (44) are installed in the installation card frame (43).
5. a kind of top adjustable lifting jack as claimed in claim 4, it is characterised in that: the locking mechanism (44) includes peace
Sleeved (441), telescopic rod (442), locking strip (443), interior be equipped with of the locking mechanism (44) are fixed with several installations
Sleeve (441), the telescopic rod (442) are mounted in installation sleeve (441) by spring, the end of the telescopic rod (442)
It is connected with locking strip (443), the locking strip (443) matches with lock slots (521), locking strip (443)
Side, which is equipped with, imports cambered surface, and the lower end surface of locking strip (443) is equipped with Horizontal limiting face, and the locking strip (443) is passed through
The side wall of installation card frame (43) is worn, the side wall of the installation card frame (43) is equipped with through slot.
6. a kind of top adjustable lifting jack as described in claim 1, it is characterised in that: the activity comes directly towards (6) and further includes
Second top ontology (61), third limiting card groove portion (62), support card board group part (63) and limit card board (64), second top
Third limiting card groove portion (62) is equipped at the top of head ontology (61), the support card board group part (63) is mounted on the second top ontology
(61) in, the lower end surface of the support card board group part (63) is symmetrically arranged with two limit card boards (64), the limit card board (64)
For arc snap-gauge, the cavity matched with the jacking block (543) of height adjustment assembly (54) is formed between the limit card board (64),
The inner wall of limit card board (64) lower end, which is equipped with, imports chamfering (641), and the both ends of second top ontology (61) are extended with
The wing plate (611) bent downward offers the threaded hole (612) matched with tight fixed bolt (60) on the wing plate (611).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992098.1A CN109019394B (en) | 2018-08-29 | 2018-08-29 | Jack with adjustable top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992098.1A CN109019394B (en) | 2018-08-29 | 2018-08-29 | Jack with adjustable top |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109019394A true CN109019394A (en) | 2018-12-18 |
| CN109019394B CN109019394B (en) | 2023-11-24 |
Family
ID=64625942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810992098.1A Active CN109019394B (en) | 2018-08-29 | 2018-08-29 | Jack with adjustable top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109019394B (en) |
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| GB247674A (en) * | 1924-11-25 | 1926-02-25 | Oswald Barber Newbould | Improvements in or relating to lifting jacks |
| GB1536424A (en) * | 1976-01-16 | 1978-12-20 | Godfrey D | Floor support jack means |
| CN1268211A (en) * | 1997-08-27 | 2000-09-27 | 株式会社日立制作所 | Taper piece, thread fastening construction using taper piece with female thread, formed drill for processing insertion hole for taper piece and hammer for driving of taper piece |
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| CN1268211A (en) * | 1997-08-27 | 2000-09-27 | 株式会社日立制作所 | Taper piece, thread fastening construction using taper piece with female thread, formed drill for processing insertion hole for taper piece and hammer for driving of taper piece |
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| Publication number | Publication date |
|---|---|
| CN109019394B (en) | 2023-11-24 |
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