WO2006114071A1 - Guiding element for the spindle of a jack - Google Patents
Guiding element for the spindle of a jack Download PDFInfo
- Publication number
- WO2006114071A1 WO2006114071A1 PCT/DE2006/000472 DE2006000472W WO2006114071A1 WO 2006114071 A1 WO2006114071 A1 WO 2006114071A1 DE 2006000472 W DE2006000472 W DE 2006000472W WO 2006114071 A1 WO2006114071 A1 WO 2006114071A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- guide element
- jack
- spindle
- holes
- slot
- Prior art date
Links
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
Definitions
- the invention relates to a guide element for receiving a spindle provided in the region of a jack, in particular a scissors jack.
- the DE-Gbm 20 2004 014 424 discloses a spreading device for motor vehicle axles, including a lifting device which is provided in its axial stroke direction on both sides each with a support means which is rotatably mounted relative to the lifting device about the lifting axis of the lifting device, and wherein the device with a their support means on the body of a motor vehicle and with the other support means on the axle of a motor vehicle can be attached.
- a jack is described, with an actuatable by means of an actuating means threaded spindle which is mounted on a spindle bearing on the one hand and a spindle nut on the other hand hinged to each other or adjustable parts of the jack, wherein the bearing axes transverse to the threaded spindle longitudinal axis and in Use position are directed horizontally, the threaded spindle made of metal, especially steel and the spindle nut is made of plastic.
- the spindle receiving components are commonly referred to as guide elements for the spindle and usually made of round material, profiled round material or pipe material, each with a transverse bore for the implementation of the spindle.
- the cross section forming a danger zone is the area of the rectangular spindle bushing through the guide element.
- the mentioned guide elements are usually produced in the first operation by sawing or parting off the respective rod material.
- the transverse bore is introduced by means of drills, but in addition must be deburred in the input and output area of the drill to avoid injury from protruding burrs.
- the invention has for its object to provide a simple-built guide element for a jack that can be made simpler and thus cheaper compared to the prior art.
- an alternative method for producing a spindle for a jack receiving guide element is to be provided, which no longer has the disadvantages described in the prior art.
- a jack which has a simple alternative construction guide element, with a simplified assembly and joining process for the individual components of the jack, where possible with a reduced number of parts, is given.
- a guide element for receiving a provided in the range of a jack, especially Scherenwagenhebers, spindle which is formed by a one-piece, opposing through holes exhibiting, stamped and bent part, wherein the outer contour includes rounded areas and at least one flattened portion, wherein outside the section is provided a longitudinally extending continuously formed slot.
- a jack especially scissor jack, at least including an upper and a lower, mutually operatively connected half-scissors, a spindle and a provided in the connecting region of the half shears and the spindle receiving, provided with through holes guide element, which is formed as a stamped and bent part is provided with a continuous slot, wherein the guide element comprises rounded portions and at least one flattened portion and the slot is outside the flattened portion.
- the object is also achieved by a method for producing a spindle for a jack receiving guide element by a flat sheet metal in a first step provided with a plurality of through holes sheet metal body and the sheet metal body is formed in at least one subsequent step to the finished contour of the guide element.
- the subject of the invention now uses a guide element designed as a stamped and bent part, which has the advantage over the prior art that cost-effective strip material can be used.
- the parts production can be carried out for example with a progressive tool, the following processing steps are conceivable. a) producing the through holes for the spindle bushing, b) radially shaping the outer contour by bending, the through holes facing each other, c) producing the finished contour, d) separation from the tape strip.
- the through holes have a slightly non-circular contour during punching, which is modified during the subsequent bending so that the spindle can be easily absorbed.
- the subject invention has the particular advantage that by the actual arrangement of the slot outside the flattened section, specifically, on the side of the guide element which is radially opposite the section, under compressive loading, the abutting edges of the slot are pressed against one another.
- This embodiment is advantageously chosen so that the semicircular regions of the guide element over the contour in the bearing eye of the jack in the case of stress are always under pressure and thus can not open.
- a separate deburring of the outer contour and the through holes is not required because the usual punching quality is sufficient.
- Figure 1 schematic diagram of trained as a scissor jack
- FIG. 1 single part illustration of the guide element according to the invention.
- Figure 1 shows a jack 1, which consists essentially of the following components: four arm-like components 2,3,4,5, the components 2,3 form an upper half-shear and the components 4,5 form a lower half-shear.
- the components 4, 5 act together in their lower connection region with a lower support plate 6, while the components 2, 3 receive a support body 7 in their upper connection region.
- the upper half-scissors 2, 3 as well as the lower half-scissors 4, 5 are likewise connected to one another in the region of their free ends, in which case bearing eyes 8, 9 are formed, which serve to receive guide elements 10 (spindle traverses).
- Each guide element 10 is intended according to the invention a punched-bent part provided with opposite through holes (not shown here), which will be explained in more detail below.
- Each guide member 10 receives a spindle 11, one end 12 of which is operable by means of a handle, not shown. In the region of the other end 12 ', a cooperating with a threaded body 13 guide body 14 is arranged. By actuating the handle in one or the other direction of the jack 1, respectively, the half shears 2,3, 4,5, together or be extended.
- Each guide element 10 is provided with a continuous slot 10 '. When pressure is applied, the slot 10 'defining abutting edges pressed against each other and thus can not be deformed or deflected in the opening direction.
- Figure 2 shows the guide element 10 according to the invention, which - as already mentioned - is designed as a stamped and bent part.
- the guide element 10 can be produced, for example, by the following working steps:
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112006001753T DE112006001753A5 (en) | 2005-04-28 | 2006-03-17 | Guide element for the spindle of a jack |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510020275 DE102005020275A1 (en) | 2005-04-28 | 2005-04-28 | Guiding element for spindle of jack for motor vehicle, has one-piece stamped and bent part formed with rounded areas and flattened section, and continuous slot extending in longitudinal direction and formed outside flattened section |
DE102005020275.6 | 2005-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006114071A1 true WO2006114071A1 (en) | 2006-11-02 |
Family
ID=36576044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2006/000472 WO2006114071A1 (en) | 2005-04-28 | 2006-03-17 | Guiding element for the spindle of a jack |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102005020275A1 (en) |
WO (1) | WO2006114071A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2181957A1 (en) * | 2008-11-03 | 2010-05-05 | Scambia Industrial Developments AG | Base plate for jacks |
CN102606589A (en) * | 2012-03-13 | 2012-07-25 | 常州安协特种标准件有限公司 | Flat pin on jack for fixing screw |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5356117A (en) * | 1993-07-01 | 1994-10-18 | Universal Tool & Stamping Company, Inc. | Hollow trunnions for scissor jacks |
EP0773186A2 (en) * | 1995-11-07 | 1997-05-14 | Ventra Group Inc. | Improved trunnion for use with a pantograph jack |
GB2330349A (en) * | 1997-10-14 | 1999-04-21 | Metallifacture Ltd | Vehicle Jack |
-
2005
- 2005-04-28 DE DE200510020275 patent/DE102005020275A1/en not_active Withdrawn
-
2006
- 2006-03-17 DE DE112006001753T patent/DE112006001753A5/en not_active Withdrawn
- 2006-03-17 WO PCT/DE2006/000472 patent/WO2006114071A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5356117A (en) * | 1993-07-01 | 1994-10-18 | Universal Tool & Stamping Company, Inc. | Hollow trunnions for scissor jacks |
EP0773186A2 (en) * | 1995-11-07 | 1997-05-14 | Ventra Group Inc. | Improved trunnion for use with a pantograph jack |
GB2330349A (en) * | 1997-10-14 | 1999-04-21 | Metallifacture Ltd | Vehicle Jack |
Also Published As
Publication number | Publication date |
---|---|
DE102005020275A1 (en) | 2006-11-02 |
DE112006001753A5 (en) | 2008-04-10 |
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