CN203685955U - Telescopic type magnetic support rod - Google Patents
Telescopic type magnetic support rod Download PDFInfo
- Publication number
- CN203685955U CN203685955U CN201320736685.7U CN201320736685U CN203685955U CN 203685955 U CN203685955 U CN 203685955U CN 201320736685 U CN201320736685 U CN 201320736685U CN 203685955 U CN203685955 U CN 203685955U
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- China
- Prior art keywords
- piston
- magnetic
- piston cylinder
- end socket
- telescopic
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- Expired - Lifetime
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- 239000000463 material Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to a telescopic type magnetic support rod, which aims at overcoming the disadvantages of the existing telescopic type support rod and utilizes the principle of a magnetic spring. The telescopic type magnetic support rod comprises a piston cylinder, an inner sheathing type magnetic spring, a piston and a piston rod, wherein the inner sheathing type magnetic spring is arranged in the piston cylinder, can axially move in the piston cylinder and consists of at least two groups of magnetic elements, the piston is arranged in the piston cylinder, and the piston rod is fixedly connected with the piston. The telescopic type magnetic support rod is characterized in that the head and tail ends of the piston cylinder are respectively provided with a seal head, the end of the seal head at the head end of the piston cylinder is provided with a hole, the piston rod extends out of the hole, the inner side of the seal head at the tail head and the end surface of the piston are respectively and fixedly provided with a soft metal sheet, and the magnetic elements at the two ends of the interior of the piston cylinder are respectively connected with the inner side of the seal head at the tail head and the end surface of the piston through the soft magnetic sheets in a magnetic adsorbing method. Compared with the prior art, the telescopic type magnetic support rod has the advantages that the structure is simple; the support force is equal to the support force of a pneumatic support rod, and is far higher than the support force of a spring support rod, and the support force is conveniently adjusted; the requirement on processing precision is low, the manufacturing cost is low, the environment adaptability is high, and the service life is long.
Description
Technical field
The utility model belongs to mechanical field, relates to a kind of telescopic brace rod, particularly a kind of telescopic magnetic force strut.
Background technique
Current extension type strut mainly contains the pneumatic rod of spring strut and filling nitrogen.Wherein spring strut support force is smaller, and application is limited, and can lose efficacy because spring access times metal fatigue occur after acquiring a certain degree; And pneumatic rod is due to the filling at low temperatures liquid nitrogen of needs, be converted at normal temperatures again pressurized gas, and require high for cylinder and piston machining accuracy, manufacturing process complexity, manufacture cost is higher, under hot environment, there is danger, service time of a specified duration can cause high pressure gas leakage because Sealing is aging, and then cause strut to lose efficacy; Except the strut of above two kinds of forms, also has a kind of hydraulic pressure strut, hydraulic pressure strut is due to needs hydraulic driving, therefore more complicated, be characterized in: support force is extremely strong, but slow in one's movements, its application is also not quite similar with upper two kinds, owing to the utility model relates to passive strut, therefore, active hydraulic strut does not compare object at this.
Model utility content
The purpose of this utility model is: for the shortcoming of existing telescopic brace rod, utilize a kind of telescopic brace rod of magnetic spring principle design.Compared with prior art, feature of the present utility model is: simple in structure, support force and pneumatic rod are suitable, and far above spring spacer bar, support force is easy to adjust, low to requirement on machining accuracy, low cost, and environmental suitability is strong, long service life.
The purpose of this utility model is by adopting following technological scheme to realize:
A kind of telescopic magnetic force strut, comprise by piston cylinder and be placed in can be along the internal cover type magnetic spring being made up of the relative magnetic element of at least two groups magnetic pole of the same name of its axial motion in piston cylinder, be placed in the piston rod that piston in piston cylinder and one end and piston are connected, it is characterized in that: there is end socket at described piston cylinder head and the tail two ends, wherein piston cylinder head end end socket end is porose, and piston rod thus hole stretches out; On tail end end socket inner side and piston end surface, be fixed with soft iron sheet, in piston cylinder, the magnetic element at two ends is connected on tail end end socket inner side and piston end surface by soft iron sheet in magnetic-adsorption mode.
In experimenting, we find out that, in some cases, the support force that uses single permanent magnet to produce as the magnetic force strut of magnetic element composition cannot meet the demands, and adopt the stack of multiple permanent magnet body to form the mode of magnetic element, just can improve support force, this kind of mode also makes us open up a kind of simple and feasible approach of adjusting magnetic force strut support force.Therefore, according to the demand difference to magnetic force strut support force, described magnetic element can be single permanent magnet, also can be formed by stacking by the relative permanent magnet of two or more synonyms poles.
Described piston cylinder head end end socket is connected with piston cylinder in the mode of being spirally connected, and can be by the combination degree of depth of threaded adjustment head end end socket and piston cylinder; The mode of being spirally connected of described piston cylinder head end end socket and piston cylinder can be that head end end socket is outside thread, and piston cylinder is internal thread, i.e. overcoat mode; Also can be that head end end socket is internal thread, piston cylinder be outside thread, i.e. inner sleeve mode; Head end end socket and reach thereof are determined according to the piston rod stroke length of required adjustment, and the frictional force during for increase manual rotation jacket-type head end end socket, can also adopt the modes such as annular knurl, etching, injection moulding to increase decorative pattern at the outer surface of jacket-type head end end socket.
At present, permanent magnet is mainly divided into two classes: ferrite permanent magnet and rare-earth permanent magnet, and the magnetic energy product of rare-earth permanent magnet taking Nd-Fe-B permanent magnet as representative is than ferrite permanent-magnet height more than ten times, and be difficult for demagnetization, low price, be the strongest permanent magnet of magnetic in the world today, be called as " magnetic king ".Requirement to support force while use for the utility model can be reached, described magnetic element preferably adopts magnetic force rare-earth permanent magnet strong and that be difficult for demagnetizing to make, and considers performance and price factor, preferentially selects Nd-Fe-B permanent magnet.
For avoiding the impact of piston to head end end socket in using process, between piston and head end end socket, there is buffer element; Described buffer element can be rubber pad, can be also spring, can also be the magnetic spring that two the relative permanent magnets of magnetic pole of the same name between piston and head end end socket form.
For avoiding the interference of magnetic material to magnetic spring motion, the material of described piston cylinder and end socket is nonmagnetic substance, can use nonmetallic material, as the high strength such as glass fibre reinforced plastics, nylon nonmetallic material, also can select nonmagnetic material, as aluminum alloy or Cuprum alloy.Because nonmetallic material cannot meet requirement of strength in some cases, and the price of aluminium and copper material is very expensive, in the occasion higher to telescopic pole requirement of strength, our preferred version is to make piston cylinder with steel, and the one deck of wall plating therein nonmagnetic material, to completely cut off the magnetic line of force, this coating material is preferentially selected copper.
Brief description of the drawings
Fig. 1 and Fig. 2 are respectively two embodiments' of the utility model schematic diagram.
Reference character: 1-piston cylinder, 2-magnetic element, 3-tail end end socket, 4-head end end socket, 5-piston, 6-piston rod, 7-buffer element, 8-1-piston end surface soft iron sheet, 8-2-tail end end socket soft iron sheet, 9-1-tail end connecting ring, 9-2-piston rod connecting ring.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1: the telescopic magnetic force strut of one as shown in Figure 1, comprise by piston cylinder 1 and be placed in the internal cover type magnetic spring that can form along four groups of relative magnetic elements 2 of the magnetic pole of the same name of its axial motion in piston cylinder 1, being placed in the piston rod 6 that piston 5 in piston cylinder 1 and one end and piston 5 are connected; It is characterized in that: there are copper tail end end socket 3 and head end end socket 4 in described piston cylinder 1 head and the tail two ends, are connected with piston cylinder 1 in the inner sleeve mode that is spirally connected, and wherein head end end socket 4 ends of piston cylinder 1 are porose, and piston rod 6 thus hole stretches out; Adjust the degree of depth that is spirally connected of head end end socket 4, can adjust the stroke of piston rod 6; On tail end end socket 3 inner sides and piston 5 end faces, be fixed with respectively tail end end socket soft iron sheet 8-2 and piston end surface soft iron sheet 8-1,2, the magnetic force unit that is positioned at piston cylinder 1 two ends rely on magnetic force to be absorbed and fixed at respectively on tail end end socket 3 and the end face of piston 5 on.
For avoiding the impact of piston 5 to head end end socket 4 in using process, between piston 5 and head end end socket 4, there is rubber buffer 7.
Described piston cylinder 1 adopts steel to make, and the layer of copper of wall plating therein material, to completely cut off the magnetic line of force.
Be provided with for telescopic magnetic force strut the tail end connecting ring 9-1 and the piston rod connecting ring 9-2 that are connected are installed on piston cylinder 1 tail end and piston rod 6 tops.
Embodiment 2: the telescopic magnetic force strut of one as shown in Figure 2, comprise by piston cylinder 1 and be placed in the internal cover type magnetic spring that can form along four groups of relative magnetic elements 2 of the magnetic pole of the same name of its axial motion in piston cylinder 1, being placed in the piston rod 6 that piston 5 in piston cylinder 1 and one end and piston 5 are connected; There is tail end end socket 3 and the head end end socket 4 of nylon material at described piston cylinder 1 head and the tail two ends, are connected with piston cylinder 1 in the jacket-type mode that is spirally connected, and wherein the end of piston cylinder 1 head end end socket 4 is porose, and piston rod 6 thus hole stretches out; The degree of depth that is spirally connected of adjusting head end end socket 4, can realize the adjustment to piston rod 6 strokes; Magnetic element 2 in the present embodiment is single Nd-Fe-B permanent magnet.For preventing that magnetic element from overturning and then causing strut loss of function in piston cylinder, the length of described magnetic element is not less than its external diameter.
In practice, owing to need to adjusting head end end socket 4 degree of depth that is spirally connected with piston cylinder 1, if adopted as the mode that is spirally connected of the inner sleeve in embodiment 1, just need to rotate head end end socket 4 with special tool; And for the ease of the free-hand rotation head end of the instrument of exempting from end socket 4, in the present embodiment, head end end socket 4 adopts the overcoat mode that is spirally connected.In addition, on the outer surface of head end end socket 4, be carved with decorative pattern, so that the frictional force while increasing manual rotation head end end socket 4.
For avoiding the impact of piston 5 to head end end socket 4 in using process, between piston 5 and head end end socket 4 by the magnetic spring cushion pad 7 being formed by two relative permanent magnets of magnetic pole of the same name.
Described piston cylinder 1 adopts glass fibre reinforced plastics to make, and also ensures to be spirally connected intensity, the overcoat (not shown) of the nylon material that can also be connected at head and the tail two ends for ease of machining screw.
Be provided with for telescopic magnetic force strut the tail end connecting ring 9-1 and the piston rod connecting ring 9-2 that are connected are installed on piston cylinder 1 tail end and piston rod 6 tops.
The utility model utilizes by single rare-earth permanent magnet or the relative multistage rare-earth permanent magnet stack of synonyms pole and forms magnetic element, utilize the repulsive force formation magnetic spring of magnetic pole of the same name between many group magnetic elements to produce support force, simple in structure, support force and pneumatic rod are suitable, far above spring spacer bar, and can be easily change the size of support force by adjusting the stack quantity of permanent magnet; Low cost, low to requirement on machining accuracy, the highest Environmental Conditions temperature can reach 250 DEG C, and environmental suitability is strong, long service life, low cost of manufacture, economizes on resources, and can replace spring spacer bar and pneumatic rod completely; Under the hot environment that particularly can cannot use at pneumatic rod, use.Can be widely used in industry, agricultural and family life field, for example: machinery, electronic equipment, automobile, furniture etc.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (12)
1. a telescopic magnetic force strut, comprising: piston cylinder (1), be placed in magnetic spring in piston cylinder (1), be placed in the piston rod (6) that piston (5) in piston cylinder (1) and one end and piston (5) are connected; Described magnetic spring is internal cover type, comprises the magnetic element (2) that at least two groups magnetic pole of the same name is relative; Described magnetic spring can be along piston cylinder (1) axial motion; It is characterized in that: have head end end socket (4) at the head end of piston cylinder (1), have tail end end socket (3) at the tail end of piston cylinder (1), wherein head end end socket (4) end is porose, and piston rod (6) stretches out in hole thus; On tail end end socket (3) inner side and piston (5) end face, be fixed with soft iron sheet (8); In piston cylinder (1), the magnetic element (2) at two ends is connected on tail end end socket (3) inner side and piston (5) end face in magnetic-adsorption mode; Described magnetic element (2) is single permanent magnet or is formed by stacking by being no less than two relative permanent magnets of synonyms pole.
2. the telescopic magnetic force strut of one as claimed in claim 1, is characterized in that: described head end end socket (4) is connected with piston cylinder (1) in the mode of being spirally connected, and can be by the combination degree of depth of threaded adjustment head end end socket (4) and piston cylinder (1).
3. the telescopic magnetic force strut of one as claimed in claim 1 or 2, is characterized in that: described magnetic element (2) is made up of rare-earth permanent magnet.
4. the telescopic magnetic force strut of one as claimed in claim 3, is characterized in that: the rare-earth permanent magnet that described magnetic element (2) adopts is Nd-Fe-B permanent magnet.
5. the telescopic magnetic force strut of one as claimed in claim 2, is characterized in that: between described head end end socket (4) and piston cylinder (1), adopt the inner sleeve mode that is spirally connected.
6. the telescopic magnetic force strut of one as claimed in claim 2, is characterized in that: between described head end end socket (4) and piston cylinder (1), adopt the overcoat mode that is spirally connected, and be carved with decorative pattern on head end end socket (4) outer surface.
7. as the one telescopic magnetic force strut of claim 1,2,5,6 as described in one of them, it is characterized in that: between piston (5) and head end end socket (4), be provided with buffer element (7), described buffer element (7) is rubber pad or spring.
8. as the one telescopic magnetic force strut of claim 1,2,5,6 as described in one of them, it is characterized in that: between piston (5) and head end end socket (4), be provided with buffer element (7), described buffer element (7) is magnetic buffering pad; Described magnetic buffering pad forms by being positioned at two permanent magnets that between piston (5) and head end end socket (4), magnetic pole of the same name is relative.
9. as the one telescopic magnetic force strut of claim 1,2,5,6 as described in one of them, it is characterized in that: the material of described piston cylinder (1) and head end end socket (4), tail end end socket (3) is nonmagnetic substance, and described nonmagnetic substance is the nonmagnetic material that can completely cut off the magnetic line of force.
10. the telescopic magnetic force strut of one as claimed in claim 9, is characterized in that: described nonmagnetic material is copper.
11. as the one telescopic magnetic force strut of claim 1,2,5,6 as described in one of them, it is characterized in that: the material of described piston cylinder (1) is steel, and wall is coated with one deck nonmagnetic material therein.
The telescopic magnetic force strut of 12. one as claimed in claim 11, is characterized in that: described nonmagnetic material is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736685.7U CN203685955U (en) | 2013-11-21 | 2013-11-21 | Telescopic type magnetic support rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736685.7U CN203685955U (en) | 2013-11-21 | 2013-11-21 | Telescopic type magnetic support rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685955U true CN203685955U (en) | 2014-07-02 |
Family
ID=51007862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736685.7U Expired - Lifetime CN203685955U (en) | 2013-11-21 | 2013-11-21 | Telescopic type magnetic support rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685955U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591201A (en) * | 2013-11-21 | 2014-02-19 | 唐旺 | Telescopic magnetic jackstay |
| CN104500642A (en) * | 2014-11-25 | 2015-04-08 | 许继集团有限公司 | Permanent magnetic hydraulic buffer |
| CN105508486A (en) * | 2016-01-15 | 2016-04-20 | 李长鸿 | Permanent magnet high pressure nitrogen spring |
| CN106402139A (en) * | 2016-12-16 | 2017-02-15 | 浙江中捷缝纫科技有限公司 | Connecting rod |
-
2013
- 2013-11-21 CN CN201320736685.7U patent/CN203685955U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591201A (en) * | 2013-11-21 | 2014-02-19 | 唐旺 | Telescopic magnetic jackstay |
| CN104500642A (en) * | 2014-11-25 | 2015-04-08 | 许继集团有限公司 | Permanent magnetic hydraulic buffer |
| CN104500642B (en) * | 2014-11-25 | 2017-06-06 | 许继集团有限公司 | A kind of permanent magnet hydraulic buffer |
| CN105508486A (en) * | 2016-01-15 | 2016-04-20 | 李长鸿 | Permanent magnet high pressure nitrogen spring |
| CN106402139A (en) * | 2016-12-16 | 2017-02-15 | 浙江中捷缝纫科技有限公司 | Connecting rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |