CN205159024U - Permanent magnet structure - Google Patents
Permanent magnet structure Download PDFInfo
- Publication number
- CN205159024U CN205159024U CN201520830101.1U CN201520830101U CN205159024U CN 205159024 U CN205159024 U CN 205159024U CN 201520830101 U CN201520830101 U CN 201520830101U CN 205159024 U CN205159024 U CN 205159024U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- screw rod
- base plate
- nut
- limiting plate
- 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
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model discloses a permanent magnet structure, including roof and bottom plate, parallel and the interval setting of roof and bottom plate, roof and bottom plate are close to the equal vertical first screw rod that is equipped with of both ends department, first screw rod top and bottom are run through respectively top surface of the top plate and bottom plate lower surface set up, first screw rod top and bottom all are connected with first nut, the roof below is close to center department and is equipped with first permanent magnet, be equipped with the limiting plate in the first permanent magnet, the limiting plate sliding connection be in on the first permanent magnet, surface mounting has the second screw rod under the limiting plate. This permanent magnet structure easily assembles, and convenient the regulation in a flexible way, has good protection nature, can produce the adjustable static magnetic field area territory of the degree of depth, can locate the sample to the different degree of depth and detect, and the fixity is strong, is difficult for appearing the obscission between the part.
Description
Technical field
The utility model relates to nuclear magnetic resonance technique field, particularly a kind of magnet structure.
Background technology
Permanent magnet is the object with permanent magnetic, in numerous application of permanent magnet, often need permanent magnet to hold the object be in contact with it in one direction, when being used for holding tubular articles (as iron pipe), need the periphery holding tubular articles.And nulcear magnetic resonance (NMR) is as a kind of non-invasive measuring technique, be widely applied to the fields such as food quality analysis, geophysics, biomedicine, material science, closely bound up with the life of people.When carrying out magnetic resonance detection to sample, need a horizontal direction evenly and vertical direction has the static magnetic field zone of action of fixing gradient.Wherein, producing one of the core component in fixing gradient static magnetic field region is permanent magnet device, and traditional permanent magnet device can only produce fixing gradient static magnetic field region in the region of certain depth, and therefore the degree of depth of magnetic resonance detection can only be a fixed value.The degree of depth just because of the fixing gradient static magnetic field region of permanent magnet device generation can not change, and brings inconvenience therefore to the magnetic resonance detection of sample.
Utility model content
The technical problems to be solved in the utility model is: overcome the problems referred to above, provides one to be easy to assembling, and convenient adjustment, flexible adjustment, has the magnet structure of good protective.
To achieve these goals, the technical solution adopted in the utility model is such: a kind of magnet structure, comprise top board and base plate, described top board and the parallel and interval of base plate are arranged, described top board and base plate are all vertically provided with the first screw rod near both ends place, described first screw tip and bottom run through described cover top surface respectively and base plate lower surface is arranged, described first screw tip and bottom are all connected with the first nut, the first permanent magnet is provided with near center position below described top board, limiting plate is provided with in described first permanent magnet, described limiting plate is slidably connected on described first permanent magnet, described limiting plate lower surface is provided with the second screw rod, described second screw tip is connected with limiting plate, run through base plate bottom described second screw rod to arrange, and be provided with the second nut bottom described second screw rod, near the first screw rod medial surface place described in two, second permanent magnet is all installed between described top board and base plate, bottom described second permanent magnet and between described base plate, adjustable apparatus is installed, described adjustable apparatus, adjustment direction between second nut and the second screw rod is all parallel with the direction of magnetization of described first permanent magnet and the second permanent magnet.
Further, as a kind of concrete version, first nut surface described in the utility model is coated with preventing rubber structure sheaf, because usually regulating the first nut, in the first nut surface, preventing rubber structure sheaf is set, safeguard structure layer decreases the friction produced hand, thus hand can not cause fatigue state because regulating for a long time
Further, as a kind of concrete version, the built-in at least one reinforcement of the first screw rod described in the utility model, more than one of reinforcement, and being all fixed on described first screw rod in transversely arranged, the design of reinforcement makes the first screw rod there will not be phenomenon of rupture, longer service life.
Further, as a kind of concrete version, the first permanent magnet internal diameter described in the utility model is identical with described second permanent magnet internal diameter, and result of use is better.
Further, as a kind of concrete version, the first permanent magnet peripheral part described in the utility model is identical with described second permanent magnet peripheral part shape, meets design concept, is convenient to assembling.
Further, as a kind of concrete version, limiting plate described in the utility model adopts not magnetic conduction construction, avoids affecting final detection.
Further, as a kind of concrete version, the first screw rod described in the utility model, the first nut, the second screw rod and the second nut surface are all coated with antistatic structure layer, can play anlistatig effect, avoid interference.
Compared with prior art, the utility model has the advantage of: this magnet structure is easy to assembling, convenient adjustment, flexible adjustment, there is good protective, the static magnetic field region of depth adjustable joint can be produced, can detect different depth place sample, and stationarity is strong, not easily occurs obscission between parts.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
In figure: 1. top board; 2. the first screw rod; 3. the first nut; 4. preventing rubber structure sheaf; 5. reinforcement; 6. the first permanent magnet; 7. limiting plate; 8. the second screw rod; 9. the second nut; 10. base plate; 11. second permanent magnets; Adjustable apparatus 12.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of magnet structure that the utility model embodiment provides, comprises top board 1 and base plate 10, and top board 1 and the parallel and interval of base plate 10 are arranged;
Top board 1 and base plate 10 are all vertically provided with the first screw rod 2, first screw rod 2 top near both ends place and bottom runs through top board 1 upper surface respectively and base plate 10 lower surface is arranged, and the first screw rod 2 top and bottom are all connected with the first nut 3;
The first permanent magnet 6 is provided with near center position below top board 1, limiting plate 7 is provided with in first permanent magnet 6, limiting plate 7 is slidably connected on the first permanent magnet 6, limiting plate 7 lower surface is provided with the second screw rod 8, second screw rod 8 and is threaded with between limiting plate 7, and the second screw rod 8 top is connected with limiting plate 7, run through base plate 10 bottom second screw rod 8 to arrange, base plate 10 has the screwed hole passed for the second screw rod 8, screwed hole mates with the second screw rod 8, and is provided with the second nut 9 bottom the second screw rod 8;
Near two first screw rod 2 medial surface places, the second permanent magnet 11 is all installed between top board 1 and base plate 10, be provided with adjustable apparatus 12 bottom second permanent magnet 11 and between base plate 10, the adjustment direction between adjustable apparatus 12, second nut 9 and the second screw rod 8 is all parallel with the direction of magnetization of the first permanent magnet 6 and the second permanent magnet 11;
First nut 3 Surface coating has preventing rubber structure sheaf 4; The built-in at least one reinforcement 5 of first screw rod 2, more than one of reinforcement 5, and reinforcement 5 is transversely arranged or vertical array is fixed on the first screw rod 2; First permanent magnet 6 internal diameter is identical with the second permanent magnet 11 internal diameter, and the first permanent magnet 6 peripheral part is identical with the second permanent magnet 11 peripheral part shape; Limiting plate 7 adopts not magnetic conduction construction; First screw rod 2, first nut 3, second screw rod 8 and the second nut 9 surfaces be clad have antistatic structure layer.
Magnet structure of the present utility model is easy to assembling, convenient adjustment, flexible adjustment, there is good protective, the static magnetic field region of depth adjustable joint can be produced, can detect different depth place sample, and stationarity is strong, not easily occurs obscission between parts.Top board 1 is for shutoff first permanent magnet 6 upper surface; Base plate 10 is for shutoff second permanent magnet 11 lower surface; Because usually regulating the first nut 3, arrange preventing rubber structure sheaf 4 on the first nut 3 surface, safeguard structure layer 4 decreases the friction produced hand, thus hand can not cause fatigue state because regulating for a long time; The built-in at least one reinforcement 5 of first screw rod 2, more than one of reinforcement 5, and reinforcement 5 is transversely arranged or vertical array is fixed on the first screw rod 2, the design of reinforcement 5 makes the first screw rod 2 there will not be phenomenon of rupture, longer service life; First permanent magnet 6 internal diameter is identical with the second permanent magnet 11 internal diameter, and result of use is better; First permanent magnet 6 peripheral part is identical with the second permanent magnet 11 peripheral part shape, meets design concept, is convenient to assembling; Limiting plate 7 adopts not magnetic conduction construction, and avoiding affects final detection; First screw rod 2, first nut 3, second screw rod 8 and the second nut 9 surfaces be clad have antistatic structure layer, can play anlistatig effect, avoid interference.When regulating the first permanent magnet 6, rotate the second nut 9, second nut 9 drives the second screw rod 8 to rotate, along with the propelling forward or backward of the second screw rod 8, manually the position of the first permanent magnet 6 can be fixed, first permanent magnet 6 is mated more with the magnetic of the second permanent magnet 11, thus can better detect.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to right.
Claims (7)
1. a magnet structure, comprise top board and base plate, top board and the parallel and interval of base plate are arranged, it is characterized in that: described top board and the parallel and interval of base plate are arranged, it is characterized in that: described top board and base plate are all vertically provided with the first screw rod near both ends place, described first screw tip and bottom run through described cover top surface respectively and base plate lower surface is arranged, described first screw tip and bottom are all connected with the first nut, the first permanent magnet is provided with near center position below described top board, limiting plate is provided with in described first permanent magnet, described limiting plate is slidably connected on described first permanent magnet, described limiting plate lower surface is provided with the second screw rod, described second screw tip is connected with limiting plate, run through base plate bottom described second screw rod to arrange, and be provided with the second nut bottom described second screw rod, near the first screw rod medial surface place described in two, second permanent magnet is all installed between described top board and base plate, bottom described second permanent magnet and between described base plate, adjustable apparatus is installed, described adjustable apparatus, adjustment direction between second nut and the second screw rod is all parallel with the direction of magnetization of described first permanent magnet and the second permanent magnet.
2. magnet structure according to claim 1, is characterized in that: described first nut surface is coated with preventing rubber structure sheaf.
3. magnet structure according to claim 1, is characterized in that: the built-in at least one reinforcement of described first screw rod, more than one of reinforcement, and is all fixed on described first screw rod in transversely arranged.
4. magnet structure according to claim 1, is characterized in that: described first permanent magnet internal diameter is identical with described second permanent magnet internal diameter.
5. magnet structure according to claim 1, is characterized in that: described first permanent magnet peripheral part is identical with described second permanent magnet peripheral part shape.
6. magnet structure according to claim 1, is characterized in that: described limiting plate adopts not magnetic conduction construction.
7. magnet structure according to claim 1, is characterized in that: described first screw rod, the first nut, the second screw rod and the second nut surface are all coated with antistatic structure layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830101.1U CN205159024U (en) | 2015-10-26 | 2015-10-26 | Permanent magnet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830101.1U CN205159024U (en) | 2015-10-26 | 2015-10-26 | Permanent magnet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159024U true CN205159024U (en) | 2016-04-13 |
Family
ID=55694690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520830101.1U Expired - Fee Related CN205159024U (en) | 2015-10-26 | 2015-10-26 | Permanent magnet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205159024U (en) |
-
2015
- 2015-10-26 CN CN201520830101.1U patent/CN205159024U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190610 Address after: 518000 Guangzhou Province, Baoan District, Shenzhen, Xin'an Street, Xin'an Lake Community, Longjiang 1 Lane, No. 4 Photoelectric Building, 12th Floor--2 Patentee after: Shenzhen Huiding Feng Technology Co.,Ltd. Address before: 518000 Room 1608, Building B, No. 7, Wuxiang, Baishixia Community, Fuyong Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN JIEDINGSHUN SCIENCE & TECHNOLOGY CO.,LTD. |
|
| 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: 20160413 Termination date: 20211026 |