CN212679127U - Head fixing device for nuclear magnetic resonance - Google Patents
Head fixing device for nuclear magnetic resonance Download PDFInfo
- Publication number
- CN212679127U CN212679127U CN202020805651.9U CN202020805651U CN212679127U CN 212679127 U CN212679127 U CN 212679127U CN 202020805651 U CN202020805651 U CN 202020805651U CN 212679127 U CN212679127 U CN 212679127U
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- groove
- side wall
- magnetic resonance
- nuclear magnetic
- fixedly connected
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- 238000005481 NMR spectroscopy Methods 0.000 title claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 10
- 238000004804 winding Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
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Abstract
The utility model discloses a head fixing device that nuclear magnetic resonance used, the power distribution box comprises a box body, set up flutedly between the both sides wall around the box top, lateral wall central point puts the spacing groove of seting up and running through the box roof on the recess, lateral wall central point puts and has seted up first mounting groove under the recess, it is provided with the stopper, two of both sides to be the annular equidistance in the recess the stopper leaves one side lateral wall rather than fixedly connected with telescopic link between the corresponding one side recess inside wall mutually, lateral wall central point puts fixed mounting in first mounting groove and has the push rod motor. The utility model discloses, the spacing fixed establishment of device body head is the ascending stop gear of four directions, and head fixity can be better, and head stop gear is provided with the elasticity stop gear of both sides, and the stop gear of both sides is independent movable stop gear about simultaneously, and whole many sizes head type suitability is good, and whole flexibility is good, and whole practical application is worth highly.
Description
Technical Field
The utility model relates to a fixed technical field of nuclear magnetic resonance head especially relates to a head fixing device that nuclear magnetic resonance used.
Background
Nuclear magnetic resonance is a physical process in which nuclei with non-zero magnetic moments undergo zeeman splitting at a spin energy level under the action of an external magnetic field, and resonate to absorb radio-frequency radiation of a certain frequency. Nuclear magnetic resonance spectroscopy is a branch of spectroscopy in which the resonance frequency is in the radio frequency band and the corresponding transition is the transition of the nuclear spins at the nuclear zeeman energy level. Nuclear magnetic resonance applications: magnetic Resonance Imaging (MRI) examination has become a common imaging examination modality.
At present, the head fixing device for nuclear magnetic resonance needs to be used for a nuclear magnetic resonance instrument, the head fixing performance of the existing head fixing device for nuclear magnetic resonance is poor, a head limiting mechanism lacks limiting mechanisms on two sides, the applicability of the whole multi-size head type is general, the limiting mechanisms on the upper side and the lower side are non-independent limiting mechanisms, the whole flexibility is general, and the whole practical application value is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing a head fixing device for nuclear magnetic resonance.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a head fixing device for nuclear magnetic resonance comprises a box body, wherein a groove is formed between the front side wall and the rear side wall above the box body, a limiting groove penetrating through the top wall of the box body is formed in the center position of the upper side wall of the groove, a first mounting groove is formed in the center position of the lower side wall of the groove, limiting blocks are annularly and equidistantly arranged in the groove, a telescopic rod is fixedly connected between two limiting blocks at two sides and the inner side wall of the groove at one side opposite to the side wall of the side wall and the corresponding side of the limiting groove, a push rod motor is fixedly arranged at the center position of the bottom wall in the first mounting groove, a push-pull rod is fixedly connected at the output end of the center position above the push rod motor, fixed pulleys are symmetrically and fixedly arranged at two sides of the opening of the limiting groove, a, one end of the pull rope, far away from the corresponding side of the pull rope, of the winding drum is fixedly connected with the corresponding side of the upper side limiting block top wall.
As a further description of the above technical solution:
four the stopper is the arc piece and is the cross setting, four the stopper is one side lateral wall fixedly connected with rubber pad in opposite directions.
As a further description of the above technical solution:
two of both sides the stopper is from one side lateral wall rather than fixedly connected with spring between the recess inside wall of one side that corresponds, sliding connection has its telescopic link that corresponds one side in the spring.
As a further description of the above technical solution:
the push-pull rod top wall is fixedly connected with the center of the bottom wall of the lower side limiting block, and the top wall of the limiting block is fixedly connected with the balancing weight.
As a further description of the above technical solution:
the stay cord sliding connection has its fixed pulley that corresponds one side, the width of spacing groove is less than the width of stopper, two stay cord sliding connection is in the spacing inslot.
As a further description of the above technical solution:
a second mounting groove is formed between the center positions of the front side wall and the rear side wall of the winding drum, a motor output shaft is arranged at the center position of the front side wall of the rotating motor, and a motor output shaft on one side corresponding to the second mounting groove is fixedly mounted in the second mounting groove.
The utility model discloses following beneficial effect has:
compared with the prior art, the head fixing device for nuclear magnetic resonance is characterized in that the head limiting fixing mechanisms of the device body are limiting mechanisms in four directions, the head fixing performance is good, the head limiting mechanisms are provided with elastic limiting mechanisms on two sides, the limiting mechanisms on the upper side and the lower side are independent movable limiting mechanisms, the applicability of the whole multi-size head type is good, the whole flexibility is good, and the whole practical application value is high.
Drawings
Fig. 1 is a schematic front view of a head fixing device for nuclear magnetic resonance according to the present invention;
fig. 2 is a front view of a head fixing device for nuclear magnetic resonance according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1 of a head fixation device for nuclear magnetic resonance according to the present invention.
Illustration of the drawings:
1. a box body; 2. a groove; 3. a limiting groove; 4. a first mounting groove; 5. a limiting block; 6. a rubber pad; 7. a telescopic rod; 8. a push rod motor; 9. a push-pull rod; 10. a fixed pulley; 11. a motor; 12. a bobbin; 13. pulling a rope; 14. a balancing weight; 15. a spring; 16. a second mounting groove; 17. and a motor output shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a head fixing device for nuclear magnetic resonance comprises a box body 1, a groove 2 is arranged between the front side wall and the rear side wall above the box body 1, a limiting groove 3 penetrating through the top wall of the box body 1 is arranged at the central position of the side wall above the groove 2, a first mounting groove 4 is arranged at the central position of the side wall below the groove 2, limiting blocks 5 are arranged in the groove 2 in an annular and equidistant manner, a telescopic rod 7 is fixedly connected between the two limiting blocks 5 at two sides and the inner side wall of the groove 2 at one side opposite to the side wall, the two limiting blocks 5 at two sides can move towards or away from each other, a push rod motor 8 is fixedly arranged at the central position of the bottom wall in the first mounting groove 4, a push-pull rod 9 is fixedly connected at the output end of the central position above the push rod motor 8, fixed pulleys 10 are, the 11 front sides of rotation motor are provided with bobbin 12, and the fixed winding of 12 lateral walls of bobbin has stay cord 13, and stay cord 13 keeps away from its one end fixedly connected with upside stopper 5 roof of corresponding one side bobbin and corresponds one side, and the winding of bobbin 12 or loosen stay cord 13 and can realize the lift of upside stopper 5.
Four limit blocks 5 are arc-shaped blocks and are arranged in a cross shape, the side wall of one opposite side of the four limit blocks 5 is fixedly connected with a rubber pad 6 to protect the head, two limit blocks 5 on two sides are fixedly connected with a spring 15 between the side wall of one side and the inner side wall of a corresponding side groove 2, the spring 15 is in sliding connection with a telescopic rod 7 on the corresponding side, the top wall of a push-pull rod 9 is fixedly connected with the central position of the bottom wall of the lower limit block 5, the central position of the top wall of the upper limit block 5 is fixedly connected with a balancing weight 14 to increase the dead weight of the upper limit block 5, a stay cord 13 is in sliding connection with a fixed pulley 10 on the corresponding side, the width of a limit groove 3 is smaller than that of the limit block 5 to limit the upper limit block 5, two stay cords 13 are, the central position of the front side wall of the rotating motor 11 is provided with a motor output shaft 17, and the motor output shaft 17 on the corresponding side is fixedly installed in the second installation groove 16, so that the winding reel 12 can be driven to rotate.
The working principle is as follows: during the use, can need the position with device body fixed mounting to nuclear magnetic resonance instrument, press down the stopper 5 of both sides, the head that will treat the person of detecting stretches into to 2 inside central points of recess and puts, then loosen the stopper 5 of both sides, under the spring action of spring 15, the stopper 5 of both sides moves in opposite directions and presss from both sides tightly the head of treating the person of detecting, open the rotation motor 11 of both sides again, driving motor output shaft 17 drives bobbin 12 and rotates, loosen stay cord 13 of wraparound on it, because 5 roof fixedly connected with balancing weights 14 of upside stopper, 5 decline of upside stopper this moment compress tightly the head of treating the person of detecting, it drives push-and-pull rod 9 to open push-and-pull rod motor 8 again and drives downside stopper 5 and rise and prop up the head of treating the person of detecting, treat the spacing of four directions.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. A head fixing device for nuclear magnetic resonance comprises a box body (1), and is characterized in that: a groove (2) is formed between the front side wall and the rear side wall of the upper portion of the box body (1), a limiting groove (3) penetrating through the top wall of the box body (1) is formed in the center position of the upper side wall of the groove (2), a first mounting groove (4) is formed in the center position of the lower side wall of the groove (2), limiting blocks (5) are annularly and equidistantly arranged in the groove (2), a telescopic rod (7) is fixedly connected between the two limiting blocks (5) on two sides and the inner side wall of the groove (2) on one side opposite to the side wall, a push rod motor (8) is fixedly mounted in the center position of the inner side wall of the first mounting groove (4), a push-pull rod (9) is fixedly connected at the output end of the upper center position of the push rod motor (8), fixed pulleys (10) are symmetrically and fixedly mounted on two sides of the opening of the top, the front side of the rotating motor (11) is provided with a bobbin (12), the outer side wall of the bobbin (12) is fixedly wound with a pull rope (13), and the pull rope (13) is far away from one side corresponding to one end of the bobbin (12) and is fixedly connected with an upper side limiting block (5) and the top wall of the bobbin (12).
2. A head restraint for nuclear magnetic resonance apparatus according to claim 1, wherein: four stopper (5) are the arc piece and are the cross setting, four stopper (5) lateral wall fixedly connected with rubber pad (6) in one side in opposite directions.
3. A head restraint for nuclear magnetic resonance apparatus according to claim 1, wherein: two of both sides stopper (5) leave one side lateral wall rather than correspond fixedly connected with spring (15) between one side recess (2) inside wall mutually, sliding connection has its telescopic link (7) that corresponds one side in spring (15).
4. A head restraint for nuclear magnetic resonance apparatus according to claim 1, wherein: the push-pull rod (9) top wall is fixedly connected with a lower side limiting block (5) bottom wall center position, and the upper side limiting block (5) top wall center position is fixedly connected with a balancing weight (14).
5. A head restraint for nuclear magnetic resonance apparatus according to claim 1, wherein: stay cord (13) sliding connection has its fixed pulley (10) that corresponds one side, the width of spacing groove (3) is less than the width of stopper (5), two stay cord (13) sliding connection is in spacing groove (3).
6. A head restraint for nuclear magnetic resonance apparatus according to claim 1, wherein: a second mounting groove (16) is formed between the central positions of the front side wall and the rear side wall of the bobbin (12), a motor output shaft (17) is arranged at the central position of the front side wall of the rotating motor (11), and the motor output shaft (17) on one side corresponding to the second mounting groove (16) is fixedly mounted in the second mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020805651.9U CN212679127U (en) | 2020-05-15 | 2020-05-15 | Head fixing device for nuclear magnetic resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020805651.9U CN212679127U (en) | 2020-05-15 | 2020-05-15 | Head fixing device for nuclear magnetic resonance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212679127U true CN212679127U (en) | 2021-03-12 |
Family
ID=74887106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020805651.9U Expired - Fee Related CN212679127U (en) | 2020-05-15 | 2020-05-15 | Head fixing device for nuclear magnetic resonance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212679127U (en) |
-
2020
- 2020-05-15 CN CN202020805651.9U patent/CN212679127U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210312 |