CN205933048U - Hand jack - Google Patents
Hand jack Download PDFInfo
- Publication number
- CN205933048U CN205933048U CN201620764066.2U CN201620764066U CN205933048U CN 205933048 U CN205933048 U CN 205933048U CN 201620764066 U CN201620764066 U CN 201620764066U CN 205933048 U CN205933048 U CN 205933048U
- Authority
- CN
- China
- Prior art keywords
- tube
- conical gear
- inner tube
- screw
- packing ring
- 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
Links
Abstract
The utility model relates to a high height not only lifts under one -man operation, hand jack that weight lifting weight in addition is big, and the cover was equipped with the foot pipe during the cover was equipped with the tube hole of inner tube and inner tube in the tube hole of outer tube, the last port fixed mounting of outer tube has and installs the bearing in the bearing mounting hole of bearing frame and bearing frame, the last port of inner tube has connect the lead screw install screw -nut and screw -nut's screw through the screw -nut fixing base in soon, and the lead screw upper end is equipped with a conical gear, the both ends head of transversely installing bull stick and bull stick through two bushes between the both sides wall internal face of port on the outer tube stretches out the outer wall of both sides wall respectively, and be equipped with the 2nd conical gear and the 2nd conical gear meshes with a conical gear with the cover on the bull stick. The advantage: firstly, meshing transmission and lead screw and the screw -nut of hand jack through a conical gear and the 2nd conical gear connect the cooperation soon, can realize being to the maximum 4536kg's weight lifting weight, secondly, hand jack through outer tube, inner tube and foot pipe three stretch the act each other, can realize being to the maximum the high height of 1.4 meters lift.
Description
Technical field
This utility model be related to a kind of under one man operation not only lift height high, and weight lifting weight big manual thousand
Jin top, belongs to jack and manufactures field.
Background technology
CN 103818843 A, title " a kind of screw jack ", including screw sheel, screw rod and base, described spiral shell
Rotary sleeve is set in described base, and one end of described screw rod is stretched in described screw sheel, on the other end of described screw rod
It is arranged with top cover, the external screw thread on described screw rod is matched with the female thread on described screw sheel.On the other end of described screw rod
It is installed with rocking bar.Pin is had to be fastenedly connected between described screw-casing jacket casing and described base.The described other end of described screw rod
Rivet is had to be fastenedly connected and described top cover between.Weak point：One is to only have foot tube and outer tube in this kind of screw jack,
The height that both liters are lifted is less；Two is that this kind of screw jack adopts rocking bar to rotate screw rod, the weight that single maximum can be shaken
Amount is less than 3650kg.
Utility model content
Purpose of design：For avoiding the deficiency in background technology, design a kind of under one man operation not only lift height high, and
And weight lifting weight big hand jack.
Design：For realizing above-mentioned purpose of design.1st, the upper port of described outer tube is installed with bearing block and bearing
In the bearing mounting hole of seat, bearing is installed；The upper port of said inner tube by feed screw nut's fixed seat be provided with feed screw nut and
It is connected with leading screw, this leading screw upper end is in the upper port being located at outer tube after bearing, lower end in the screw of feed screw nut
In the pore of foot tube, described leading screw upper end is provided with the first conical gear and the first conical gear lower surface and bearing block
End face is affixed；It is horizontally installed with the two of input shaft and input shaft by two bushings between the two side internal face of described outer tube upper port
Termination stretches out the outside wall surface of two side respectively and input shaft is located at directly over the first conical gear, and described input shaft is set with the
The design that two conical gears and the second conical gear are engaged with the first conical gear, is one of technical characteristic of the present utility model.
The purpose of so design is：When needing hand jack to rise, both hands hold the handle at input shaft two ends and turn clockwise
Dynamic bull stick, the bull stick of rotation drives the first conical gear to rotate together（First conical gear rotates in perpendicular）, rotation
First conical gear engaged transmission the second conical gear rotation（Second conical gear rotates in horizontal plane）And second rotating
Conical gear drives leading screw to rotate together, and the leading screw at this moment rotating is relative to feed screw nut（Feed screw nut is fixed）Upwards
Motion, and the leading screw rising promotes outer tube to rise, thus realizing the purpose of jack-up weight；By the first conical gear and the second circle
The engaged transmission of bevel gear and the cooperation that spins of screw mandrel and feed screw nut, hand jack can be under the rotation of a people
Lift greatly the weight of 4536kg, the act of mutually stretching of hand jack middle external tube, inner tube and foot tube three simultaneously is capable of maximum
Elevating highly for 1.4 meters.2nd, said inner tube lower end has through hole, and said inner tube outside wall surface sets position latch assembly and positioning
Latch in latch assembly, just to through hole, described foot tube tube wall is equidistantly provided with multiple location holes from top to bottom and foot tube is relatively interior
Guan Shangyi or when moving down through hole can realize successively to logical design with multiple positioning, be technical characteristic of the present utility model it
Two.The purpose of so design is：Said inner tube lower end has through hole, said inner tube outside wall surface sets position latch assembly and determines
Latch in the latch assembly of position, just to through hole, described foot tube tube wall is equidistantly provided with multiple location holes from top to bottom and foot tube is relative
When moving in inner tube or moving down, through hole can be realized successively to logical with multiple positioning, described fastening screw assembly by square tube, alignment pin,
Spring, front packing ring and packing ring are constituted, and described square tube external port is provided with and has alignment pin through hole on fixed dam and fixed dam,
Described alignment pin head is located in square tube pore after the alignment pin through hole, be provided with described positioning pin rod packing ring and spring and
Spring is located between packing ring and front packing ring, and when pulling latch, packing ring moves with latch and is located at the bullet between packing ring and front packing ring
Spring is compressed, and because fastening screw assembly has the function of automatically replying locking, user is made in inner tube by mobile foot tube
Through hole is locked automatically to the latch in logical rear fastening screw assembly with required location hole in foot tube in the presence of spring-return power
Determine inner tube and foot tube.3rd, be vertically provided with extension spring in the pore of described foot tube and extension spring lower end be fixed on the inner bottom surface of foot tube, on
End is fixed on the design on the internal face of inner tube, is the three of technical characteristic of the present utility model.The purpose of so design is：Institute
State and be vertically provided with extension spring in the pore of foot tube and extension spring lower end is fixed on the inner bottom surface of foot tube, upper end is fixed on the inwall of inner tube
On face, i.e. extension spring links together telescopic to foot tube and inner tube, is so guaranteeing what foot tube and inner tube will not be mutually disengaged
In the case of, user can adjust the length after foot tube is combined with inner tube as needed.4th, described leading screw lower end is provided with
The design of limited block, is the four of technical characteristic of the present utility model.The purpose of so design is：Described leading screw lower end is provided with
Limited block, limited block is able to ensure that screw mandrel will not screw out in uphill process from feed screw nut.
Technical scheme：A kind of hand jack, including outer tube, inner tube and foot tube, is set with interior in the pore of described outer tube
It is set with foot tube in pipe and the pore of inner tube；The upper port of described outer tube is installed with bearing block and the bearing of bearing block is installed
Bearing is installed in hole；The upper port of said inner tube is provided with the spiral shell of feed screw nut and feed screw nut by feed screw nut's fixed seat
Be connected with leading screw in hole, this leading screw upper end after bearing be located at outer tube upper port in, lower end be located at foot tube pipe
Kong Zhong, described leading screw upper end is provided with the first conical gear and the first conical gear lower surface is affixed with bearing block upper surface；Institute
State and be horizontally installed with input shaft by two bushings between the two side internal face of outer tube upper port and the two ends of input shaft are stretched respectively
Go out the outside wall surface of two side and input shaft is located at directly over the first conical gear, described input shaft is set with the second conical gear
And second conical gear engage with the first conical gear.
Compared with background technology, one is that hand jack passes through the first conical gear and the second conical gear to this utility model
Engaged transmission and screw mandrel and feed screw nut the cooperation that spins, be capable of being to the maximum the weight lifting weight of 4536kg；Two is handss
Dynamic jack pass through outer tube, inner tube and foot tube three mutually stretch act, be capable of being to the maximum 1.4 meters elevate height.
Brief description
Fig. 1 is the perspective view of hand jack.
Fig. 2 is the cross section structure diagram of A-A in Fig. 1.
Fig. 3 is the cross section structure diagram of B-B in Fig. 1.
Specific embodiment
Embodiment 1：1- Fig. 3 referring to the drawings.A kind of hand jack, including outer tube 1, inner tube 2 and foot tube 3, described outer tube 1
Pore in be set with inner tube 2 and the pore of inner tube 2 and be set with foot tube 3；The upper port of described outer tube 1 is installed with bearing
In seat 4 and the bearing mounting hole of bearing block 4, bearing 5 is installed；The upper port of said inner tube 2 is pacified by feed screw nut's fixed seat 6
It is connected with leading screw 8 equipped with feed screw nut 7 and in the screw of feed screw nut 7, this leading screw 8 upper end is located at outer after by bearing 5
In the upper port of pipe 1, lower end be located at foot tube 3 pore in, described leading screw 8 upper end is provided with the first conical gear 9 and first
Conical gear 9 lower surface is affixed with bearing block 4 upper surface；Pass through two bushings between the two side internal face of described outer tube 1 upper port
10 two ends being horizontally installed with input shaft 11 and input shaft 11 stretch out the outside wall surface of two side respectively and input shaft 11 is located at the
Directly over one conical gear 9, described input shaft 11 is set with the second conical gear 12 and the second conical gear 12 and the first circle
Bevel gear 9 engages.Described outer tube 1 outer surface is provided with shell 13.Said inner tube 2 lower end has through hole 14, said inner tube 2 outside wall surface
Latch 152 in upper setting position latch assembly 15 and fastening screw assembly 15 just to through hole 14, on described foot tube 3 tube wall to
Equidistantly being provided with down through hole 14 when moving or move down in multiple location holes 31 and foot tube 3 inner tube 2 relatively can be real with multiple location holes 31
Now successively to logical.Described fastening screw assembly 15 is by cover plate 151, latch 152, spring 153, front packing ring 154 and packing ring 155 structure
Become, described cover plate 151 external port is provided with front packing ring 154 and front packing ring 154 and has latch through hole 156, described latch 152 bar
By being located in cover plate 151 pore after alignment pin through hole 156, described latch 152 shaft is provided with packing ring 155 and spring 153 to head
And spring 153 is located between packing ring 155 and front packing ring 154, when pulling latch 152, packing ring 155 moves and position with latch 152
Spring 153 between packing ring 155 and front packing ring 154 is compressed.Vertically it is provided with extension spring 16 and extension spring 16 in the pore of described foot tube 3
Lower end is fixed on the inner bottom surface of foot tube 3, upper end is fixed on the internal face of inner tube 2.Described leading screw 8 lower end is provided with limited block
17.Described input shaft 11 both sides termination can fill a handle 18 respectively.
When needing hand jack to rise, both hands hold the handle 18 at input shaft 11 two ends and rotate clockwise input shaft
11, the input shaft 11 of rotation drives the first conical gear 9 to rotate together（First conical gear 9 rotates in perpendicular）, rotation
The first conical gear 9 engaged transmission the second conical gear 12 rotate（Second conical gear 12 rotates in horizontal plane）And rotate
The second conical gear 12 drive leading screw 8 to rotate together, the leading screw that at this moment rotates 8 feed screw nut 7 relatively（Feed screw nut 7 is solid
Fixed motionless）Move upwards, and the leading screw 8 rising promotes outer tube to rise, thus realizing the purpose of jack-up weight.
When hand jack after rising needs to decline, both hands hold the handle 18 at input shaft 11 two ends and turn counterclockwise
Driven input shaft 11, the input shaft 11 of rotation drives the first conical gear 9 to rotate together（First conical gear 9 revolves in perpendicular
Turn）, the first conical gear 9 engaged transmission second conical gear 12 of rotation rotates（Second conical gear 12 revolves in horizontal plane
Turn）And the second conical gear 12 drive leading screw 8 rotating rotates together, leading screw 8 feed screw nut 7 relatively at this moment rotating（Screw mandrel
Nut 7 is fixed）Move downward, and the leading screw 8 rising pulls outer tube to decline, thus realizing jack-up weight homing
Purpose.
It is to be understood that：The detailed word although above-described embodiment is contrasted to mentality of designing of the present utility model
Description, but these word descriptions, simply describe to the simple text of this utility model mentality of designing, rather than new to this practicality
The restriction of type mentality of designing, any combination, increase or modification without departing from this utility model mentality of designing, each fall within this practicality new
In the protection domain of type.
Claims (6)
1. a kind of hand jack, including outer tube（1）, inner tube（2）And foot tube（3）, it is characterized in that：Described outer tube（1）Pore
In be set with inner tube（2）And inner tube（2）Pore in be set with foot tube（3）；Described outer tube（1）Upper port be installed with axle
Bearing（4）And bearing block（4）Bearing mounting hole in bearing is installed（5）；Said inner tube（2）Upper port pass through feed screw nut
Fixed seat（6）Feed screw nut is installed（7）And feed screw nut（7）Screw in be connected with leading screw（8）, this leading screw（8）Upper end
By bearing（5）It is located at outer tube afterwards（1）Upper port in, lower end be located at foot tube（3）Pore in, described leading screw（8）On
Termination is provided with the first conical gear（9）And first conical gear（9）Lower surface and bearing block（4）Upper surface is affixed；Described outer tube
（1）Pass through two bushings between the two side internal face of upper port（10）It is horizontally installed with input shaft（11）And input shaft（11）Two ends
Head stretches out outside wall surface and the input shaft of two side respectively（11）Positioned at the first conical gear（9）Surface, described input shaft（11）
On be set with the second conical gear（12）And second conical gear（12）With the first conical gear（9）Engagement.
2. hand jack according to claim 1, is characterized in that：Said inner tube（2）Lower end has through hole（14）, described
Inner tube（2）Position latch assembly is set on outside wall surface（15）And fastening screw assembly（15）In latch（152）Just to through hole（14）,
Described foot tube（3）Multiple location holes are equidistantly provided with from top to bottom on tube wall（31）And foot tube（3）Inner tube relatively（2）Upper move or move down
Shi Tongkong（14）Can be with multiple location holes（31）Realize successively to logical.
3. hand jack according to claim 2, is characterized in that：Described fastening screw assembly（15）By cover plate（151）、
Latch（152）, spring（153）, front packing ring（154）And packing ring（155）Constitute, described cover plate（151）External port is provided with foremast
Circle（154）And front packing ring（154）On have alignment pin through hole（156）, described latch（152）Head passes through alignment pin through hole
（156）It is located at cover plate afterwards（151）In pore, described latch（152）Shaft is provided with packing ring（155）And spring（153）And spring
（153）Positioned at front packing ring（155）With front packing ring（154）Between, pulling latch（152）When packing ring（155）With latch（152）Together
Move and be located at packing ring（155）With front packing ring（154）Between spring（153）Compressed.
4. hand jack according to claim 1, is characterized in that：Described foot tube（3）Pore in be vertically provided with extension spring
（16）And extension spring（16）Lower end is fixed on foot tube（3）Inner bottom surface on, upper end be fixed on inner tube（2）Internal face on.
5. hand jack according to claim 1, is characterized in that：Described leading screw（8）Lower end is provided with limited block（17）.
6. hand jack according to claim 1, is characterized in that：Described input shaft（11）Both sides termination can fill one respectively
Individual handle（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764066.2U CN205933048U (en) | 2016-07-20 | 2016-07-20 | Hand jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764066.2U CN205933048U (en) | 2016-07-20 | 2016-07-20 | Hand jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205933048U true CN205933048U (en) | 2017-02-08 |
Family
ID=57926427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620764066.2U Expired - Fee Related CN205933048U (en) | 2016-07-20 | 2016-07-20 | Hand jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205933048U (en) |
-
2016
- 2016-07-20 CN CN201620764066.2U patent/CN205933048U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204949956U (en) | Rotatory flexible dining table structure | |
| CN107198348A (en) | A kind of mechanical ascending and descending table and lift adjustment method | |
| CN107731125A (en) | Landscape garden new energy direction board | |
| CN107593682A (en) | A kind of liftable wind-force scarecrow for field bird repellent | |
| CN106718216A (en) | A kind of height-adjustable folding vegetable planting rack | |
| CN207679117U (en) | A kind of self-locking type lifting plate assembly | |
| CN206361373U (en) | A kind of ironing-tables support | |
| CN203022412U (en) | Lifting device of star-shaped tent and star-shaped tent | |
| CN205933048U (en) | Hand jack | |
| CN208844552U (en) | A kind of building stake convenient for loading and unloading | |
| CN215814854U (en) | Signboard is used in gardens with lift adjustment function | |
| CN106904560B (en) | A kind of well cover opening device | |
| CN217323274U (en) | Building architectural decoration is with supplementary construction equipment | |
| CN211524283U (en) | Power transmission tower with high reinforcing stability | |
| CN208299726U (en) | A kind of length adjustable yurt special solar mounting rack | |
| CN208584487U (en) | A kind of novel large nut provision for disengagement | |
| CN208907768U (en) | A kind of air-conditioning water tower protective net quick-disassembly structure | |
| CN209238731U (en) | A kind of uncoiler material force feed structure | |
| CN204146608U (en) | A kind of hotel movable lifting dining table | |
| CN208894113U (en) | A kind of three-dimensional mixer | |
| CN208521552U (en) | A kind of segmented LED display | |
| CN208695717U (en) | A kind of hydraulic hand pump of aircraft jack | |
| CN206887901U (en) | Spiral gate | |
| CN207710645U (en) | A kind of ingot-containing tube moves back lining outer lining fixing device adjustment structure | |
| CN112160572A (en) | Assembled indoor water and electricity installation scaffold frame |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20180720 |