CN109019392A - A kind of flat top of screw thread - Google Patents
A kind of flat top of screw thread Download PDFInfo
- Publication number
- CN109019392A CN109019392A CN201810547385.1A CN201810547385A CN109019392A CN 109019392 A CN109019392 A CN 109019392A CN 201810547385 A CN201810547385 A CN 201810547385A CN 109019392 A CN109019392 A CN 109019392A
- Authority
- CN
- China
- Prior art keywords
- rotary body
- screw thread
- flat top
- diameter
- hole
- 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
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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
Abstract
The invention discloses a kind of flat tops of screw thread, belong to equipment mounting technique field.The flat top of screw thread includes upper support, lower support, rotary body, bearing and adjusting rod, bearing is arranged between upper support and rotary body, it can then be relatively rotated between upper support and rotary body, rotary body is connect with lower support by trapezoidal thread, it can then be relatively rotated between lower support and rotary body, the middle part of upper support is equipped with first through hole, the middle part of lower support is equipped with the second through-hole, the middle part of rotary body is equipped with a central through hole, the centrally disposed through-hole of adjusting rod, in first through hole and the second through-hole, by upper support, rotary body and lower support connect into an entirety.In actual use, rotary body is rotated, then the distance between lower support and rotary body can be gradually increased, and push upper support and weight mobile to the direction far from lower support, to jack weight, the entire flat roof construction of screw thread is simple and convenient for operation, is suitable for small space.
Description
Technical field
The present invention relates to equipment mounting technique field, in particular to a kind of flat top of screw thread.
Background technique
There are many existing jacking apparatus, mostly use hydraulic jack greatly for the jacking of weight, hydraulic jack mainly wraps
Oil cylinder and piston are included, pressure oil enters oil cylinder bottom, and piston is jacked up and then jacks up weight.But it will be of all sizes
Small space in when being jacked to weight, jack can not be often used, this is because the volume of jack is usually solid
It is fixed and biggish, and due to the limitation of small space, it may appear that jack can not be put into the situation in small space, and existing
Jacking apparatus in be not specially adapted for the jacking apparatus of small space yet.
Summary of the invention
The embodiment of the invention provides a kind of flat tops of screw thread, can jack to the weight in small space.The skill
Art scheme is as follows:
The embodiment of the invention provides a kind of flat top of screw thread, the flat top of screw thread includes upper support, lower support, rotation
Body, bearing and adjusting rod, the bearing is arranged between the upper support and the rotary body, for transmitting the upper support
Axial force between body and the rotary body, the rotary body are connect with the lower support by trapezoidal thread, the upper branch
The middle part of support body is equipped with first through hole, and the middle part of the lower support is equipped with the second through-hole, and the middle part of the rotary body is equipped with one
Central through hole；
The adjusting rod includes bar portion and the first positioning ring and the second positioning ring for being located at the bar portion both ends, described
Bar portion is arranged in the central through hole and is detachably connected with the rotary body, and the first through hole includes close to the rotation
The first segment of body and second segment far from the rotary body, second through-hole include close to the third section of the rotary body and remote
From the 4th section of the rotary body, the diameter of the diameter and the bar portion of the first segment and the third section matches, described
The diameter of the diameter of second segment and first positioning ring matches and the diameter of the second segment is greater than the straight of the first segment
The diameter of diameter, the 4th section of the diameter and second positioning ring matches and the 4th section of the diameter is greater than the third
The diameter of section.
Further, a circle groove, the close lower branch of the rotary body are circumferentially with along it on the lower support
One end of support body is equipped with the boss to match with the groove, and is connected between the boss and the groove by trapezoidal thread
It connects.
Further, the axial depth of the groove is more than or equal to the 4th section of the axial depth.
Further, the bar portion is equipped with a circle positioning convex platform, and the positioning convex platform passes through fastener and the rotation
Body is fixedly connected.
Further, the positioning convex platform is between the rotary body and the upper support.
Further, the fastener includes at least two screws.
Further, the flat top screw thread further includes driving assembly, and the driving component is for driving the rotary body to revolve
Turn.
Further, the driving component includes operating stick, the outer wall of the rotary body be equipped at least two with it is described
The mounting hole that operating stick matches.
Further, the mounting hole there are four setting on the outer wall of the rotary body, four mounting holes are along the rotation
The circumferentially equidistant of swivel is spaced apart.
Further, the bearing is double-direction thrust ball bearing.
Technical solution provided in an embodiment of the present invention has the benefit that
By the way that the flat top of screw thread is arranged, the flat top of the screw thread includes upper support, lower support, rotary body, bearing and adjusting rod,
Wherein, upper support includes first through hole, and first through hole includes first segment and second segment, and the diameter of second segment is greater than first segment
Diameter, and the diameter of the first positioning ring of adjusting rod and the diameter of second segment match, then the first positioning ring can only be second
It moves and cannot move into first segment in section, similarly, the second positioning ring can only move in the 4th section.The bar portion of adjusting rod
It is detachably connected with rotary body, then adjusting rod can be rotated synchronously with rotary body, and rotary body and lower support pass through trapezoidal thread
Connection, then can relatively rotate between rotary body and lower support.Bearing is equipped between upper support and rotary body, then rotary body
It can relatively rotate between upper support, in actual use, lower support is placed on the ground, weight is placed on upper branch
On support body, rotary body is then rotated, since lower support is connect with rotary body by trapezoidal thread, upper support and lower support
Will not be rotated with rotary body, while the distance between lower support and rotary body can be gradually increased, and push upper support with
Weight is mobile to the direction far from lower support, to jack weight.The flat roof construction of entire screw thread is simple and convenient for operation, in reality
Upper support, rotary body and the lower support of different volumes size can be chosen when use, according to actual needs to adapt to difference
The small space of size.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of cross-sectional view on the flat top of screw thread provided in an embodiment of the present invention；
Fig. 2 is a kind of cross-sectional view of upper support provided in an embodiment of the present invention；
Fig. 3 is a kind of cross-sectional view of lower support provided in an embodiment of the present invention；
Fig. 4 is a kind of cross-sectional view of rotary body provided in an embodiment of the present invention；
Fig. 5 is a kind of cross-sectional view of adjusting rod provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of flat top of screw thread, Fig. 1 is the flat top of a kind of screw thread provided in an embodiment of the present invention
Cross-sectional view, as shown in Figure 1, the flat top of screw thread includes upper support 10, lower support 20, rotary body 30, bearing 40 and adjusting rod 50,
Bearing 40 is arranged between upper support 10 and rotary body 30, for transmitting the axial direction between upper support 10 and rotary body 30
Power, rotary body 30 are connect with lower support 20 by trapezoidal thread.
Fig. 2 is a kind of cross-sectional view of upper support provided in an embodiment of the present invention, as shown in Fig. 2, in upper support 10
Portion is equipped with first through hole 10a, and first through hole 10a includes the first segment 11a close to rotary body 30 and second far from rotary body 30
Section 12a.
Fig. 3 is a kind of cross-sectional view of lower support provided in an embodiment of the present invention, as shown in figure 3, in lower support 20
It includes the third section 21a close to rotary body 30 and the far from rotary body 30 the 4th that portion, which is equipped with the second through-hole 20a, the second through-hole 20a,
Section 22a.
Fig. 4 is a kind of cross-sectional view of rotary body provided in an embodiment of the present invention, as shown in figure 4, the middle part of rotary body 30 is set
There is a central through hole 30a.
Fig. 5 is a kind of cross-sectional view of adjusting rod provided in an embodiment of the present invention, as shown in figure 5, adjusting rod 50 includes bar portion
51 and it is located at first positioning ring 52 and the second positioning ring 53 at 51 both ends of bar portion.
It in conjunction with Fig. 1, is detachably connected in the centrally disposed through-hole 30a of bar portion 51 and with rotary body 30, first segment 11a and the
The diameter of three sections of 21a and the diameter of bar portion 51 match, the diameter of the diameter of second segment 12a and the first positioning ring 52 match and
The diameter of second segment 12a is greater than the diameter of first segment 11a, and the diameter of the 4th section of 22a and the diameter of the second positioning ring 53 match
And the diameter of the 4th section of 22a is greater than the diameter of third section 21a.
The embodiment of the present invention by setting the flat top of screw thread, the screw thread it is flat top include upper support, lower support, rotary body,
Bearing and adjusting rod, wherein upper support includes first through hole, and first through hole includes first segment and second segment, and second segment
Diameter is greater than the diameter of first segment, and the diameter of the first positioning ring of adjusting rod and the diameter of second segment match, then first is fixed
Position ring can only be moved in second segment and be cannot move into first segment, and similarly, the second positioning ring can only move in the 4th section
It is dynamic.The bar portion of adjusting rod is detachably connected with rotary body, then adjusting rod can be rotated synchronously with rotary body, rotary body and lower support
Body is connected by trapezoidal thread, then can be relatively rotated between rotary body and lower support.It is set between upper support and rotary body
There is bearing, then can be relatively rotated between rotary body and upper support, in actual use, lower support is placed on the ground,
Weight is placed in upper support, rotary body is then rotated, since lower support is connect with rotary body by trapezoidal thread, on
Supporter and lower support will not be rotated with rotary body, while the distance between lower support and rotary body can be gradually increased,
And push upper support and weight mobile to the direction far from lower support, to jack weight.The flat roof construction of entire screw thread is simple
And convenient for operation, can choose according to actual needs in actual use the upper support of different volumes size, rotary body and under
Supporter, to adapt to different size of small space.
The bearing 40 of different model can be chosen, according to the weight of weight when choosing bearing 40 to meet its load bearing demand.
In the present embodiment, bearing 40 is double-direction thrust ball bearing.In other embodiments, bearing 40 may be other same types
Bearing, the present invention are without limitation.
It specifically, is interference fit between upper support 10 and bearing 40 and lower support 20 and bearing 40, with reality
Now position.
In practical manufacturing process, each section on the flat top of screw thread can be used steel plate and be made, to guarantee structural strength.
Further, as shown in figure 3, being circumferentially with a circle groove 23a along it on lower support 20.As shown in figure 4, rotation
One end of the close lower support 20 of body 30 is equipped with the boss 31 to match with groove 23a, and leads between boss 31 and groove 23a
Cross trapezoidal thread connection.Trapezoidal thread can play transmission effect, and when rotary body 30 rotates, lower support 20 can be kept not
It is dynamic.
Preferably, the axial depth of groove 23a is more than or equal to the axial depth of the 4th section of 22a.At this point, when the second positioning ring
53 when being moved to the interface of third section 21a and the 4th section of 22a, and boss 31 will not be deviate from from groove 23a.
Specifically, as shown in Figure 1, the axial depth of groove 23a is D, the axial depth of the 4th section of 22a is L, then D >=L,
When rotating rotary body 30, the maximum distance between rotary body 30 and lower support 20 is L, i.e. weight can be jacked distance by highest
L。
Further, as shown in figure 5, bar portion 51 is equipped with a circle positioning convex platform 54, positioning convex platform 54 passes through fastener 60
It is fixedly connected with rotary body 30, then rotary body 30 and adjusting rod 50 can be with synchronous rotaries at this time.
Specifically, fastener 60 includes at least two screws.In the present embodiment, fastener 60 includes two screws, and
Two screws are arranged symmetrically, and the fixation between boss 54 and rotary body 30 can be made more stable.
Further, as shown in Figure 1, positioning convex platform 54 is between rotary body 30 and upper support 10, spiral shell can be made
The volume on the flat top of line reduces, and structure is more compact.
Further, flat top screw thread further includes driving assembly 70, and driving assembly 70 is rotated for driving rotating bodies 30.
In the present embodiment, driving assembly 70 includes operating stick, and the outer wall of rotary body 30 is equipped at least two and operation
Operating stick is arranged in mounting hole 32 when specifically used, then pushes operating stick by the mounting hole 32 that bar matches
Rotate rotary body 30, convenient for operation.
Further, mounting hole 32 there are four being set on the outer wall of rotary body 30, week of four mounting holes 32 along rotary body 30
It is distributed to equidistant interval, i.e., four mounting holes 32 are set at 90 ° intervals, and when specific operation, operating stick is disposed therein one
In mounting hole 32, then operating stick is pushed to be rotated by 90 ° rotary body, operating stick is taken out from mounting hole 32, then under being arranged in
The lasting rotation of rotary body 30 can be realized in one mounting hole 32.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of flat top of screw thread, which is characterized in that the flat top of the screw thread include upper support, lower support, rotary body, bearing and
Adjusting rod, the bearing are arranged between the upper support and the rotary body, for transmitting the upper support and described
Axial force between rotary body, the rotary body is connect with the lower support by trapezoidal thread, in the upper support
Portion is equipped with first through hole, and the middle part of the lower support is equipped with the second through-hole, and the middle part of the rotary body is equipped with a central through hole；
The adjusting rod includes bar portion and the first positioning ring and the second positioning ring for being located at the bar portion both ends, the bar portion
It is arranged in the central through hole and is detachably connected with the rotary body, the first through hole includes close to the rotary body
The second segment of first segment and the separate rotary body, second through-hole include close to the third section of the rotary body and far from institute
The diameter of the 4th section for stating rotary body, the diameter and the bar portion of the first segment and the third section matches, and described second
The diameter of section and the diameter of first positioning ring match and diameter of the diameter of the second segment greater than the first segment, institute
It states the 4th section of diameter and the diameter of second positioning ring matches and the 4th section of the diameter is greater than the third section
Diameter.
2. the flat top of screw thread according to claim 1, which is characterized in that it is recessed along it to be circumferentially with a circle on the lower support
Slot, one end close to the lower support of the rotary body are equipped with the boss that matches with the groove, and the boss with
It is connected between the groove by trapezoidal thread.
3. the flat top of screw thread according to claim 2, which is characterized in that the axial depth of the groove is more than or equal to described the
Four sections of axial depth.
4. the flat top of screw thread according to claim 1, which is characterized in that the bar portion is equipped with a circle positioning convex platform, described
Positioning convex platform is fixedly connected by fastener with the rotary body.
5. the flat top of screw thread according to claim 4, which is characterized in that the positioning convex platform is located at the rotary body and described
Between upper support.
6. the flat top of screw thread according to claim 4, which is characterized in that the fastener includes at least two screws.
7. the flat top of screw thread according to claim 1, which is characterized in that the flat top screw thread further includes driving assembly, described
Driving assembly is for driving the rotary body to rotate.
8. the flat top of screw thread according to claim 7, which is characterized in that the driving component includes operating stick, the rotation
The outer wall of body is equipped at least two mounting holes to match with the operating stick.
9. the flat top of screw thread according to claim 8, which is characterized in that the peace there are four being set on the outer wall of the rotary body
Hole is filled, four mounting holes are spaced apart along the circumferentially equidistant of the rotary body.
10. the flat top of screw thread according to claim 1, which is characterized in that the bearing is double-direction thrust ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547385.1A CN109019392B (en) | 2018-05-31 | 2018-05-31 | Screw thread flat top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547385.1A CN109019392B (en) | 2018-05-31 | 2018-05-31 | Screw thread flat top |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109019392A true CN109019392A (en) | 2018-12-18 |
| CN109019392B CN109019392B (en) | 2020-07-07 |
Family
ID=64611974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810547385.1A Active CN109019392B (en) | 2018-05-31 | 2018-05-31 | Screw thread flat top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109019392B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312890A (en) * | 1998-06-18 | 2001-09-12 | 索斯科公司 | Jack-out captivated screw |
| KR20100068077A (en) * | 2008-12-12 | 2010-06-22 | 이은관 | Electric jack |
| JP2011131945A (en) * | 2009-12-22 | 2011-07-07 | Honda Motor Co Ltd | Screw jack |
| CN107683253A (en) * | 2015-04-09 | 2018-02-09 | 格雷奥朗佩特有限公司 | Jacking equipment |
-
2018
- 2018-05-31 CN CN201810547385.1A patent/CN109019392B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312890A (en) * | 1998-06-18 | 2001-09-12 | 索斯科公司 | Jack-out captivated screw |
| KR20100068077A (en) * | 2008-12-12 | 2010-06-22 | 이은관 | Electric jack |
| JP2011131945A (en) * | 2009-12-22 | 2011-07-07 | Honda Motor Co Ltd | Screw jack |
| CN107683253A (en) * | 2015-04-09 | 2018-02-09 | 格雷奥朗佩特有限公司 | Jacking equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109019392B (en) | 2020-07-07 |
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