CN113081008B - Medical instrument die body - Google Patents
Medical instrument die body Download PDFInfo
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- CN113081008B CN113081008B CN202110314644.8A CN202110314644A CN113081008B CN 113081008 B CN113081008 B CN 113081008B CN 202110314644 A CN202110314644 A CN 202110314644A CN 113081008 B CN113081008 B CN 113081008B
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- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application relates to a medical instrument die body, which belongs to the technical field of medical instruments and comprises a body, wherein a first die plate and a second die plate are respectively arranged at two end surfaces of the body, a plurality of positioning rods are fixedly arranged on opposite side walls of the first die plate and the second die plate, and a plurality of positioning grooves for inserting the positioning rods are respectively arranged at two end surfaces of the body; the side walls of the first template and the second template are fixedly provided with a plurality of limiting columns, the limiting columns are attached to the circumferential side wall of the body, the limiting columns on the first template and the limiting columns on the second template are opposite to each other, and a fixing assembly for fixing the two opposite limiting columns is arranged between each pair of limiting columns; after all the positioning columns are inserted into the corresponding positioning grooves, the axis of the body, the axis of the first template and the axis of the second template are collinear, and the die body self-connecting precision is improved.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a medical instrument die body.
Background
The die body is used for calibrating the precision of a moving shaft on equipment on a large-scale medical instrument, and the die body is equivalent to the X-ray or nuclear magnetic resonance light, and finally determines the use precision of the medical instrument.
The existing medical instrument die body comprises a body, and a first die plate and a second die plate are fixedly bonded to two end faces of the body through glue respectively.
With respect to the related art described above, the inventors considered that there was a defect that the axis of the body, the axis of the first die plate and the axis of the second die plate were required to be collinear, and that the axis of the first die plate, the axis of the second die plate and the axis of the body were liable to deviate during bonding, resulting in low accuracy after the molding of the die body.
Disclosure of Invention
In order to embody high precision after the die body is molded, the application provides a medical instrument die body.
The application provides a medical instrument die body, which adopts the following technical scheme:
The medical instrument die body comprises a body, wherein a first die plate and a second die plate are respectively arranged at two end surfaces of the body, a plurality of positioning rods are fixedly arranged on opposite side walls of the first die plate and the second die plate, and a plurality of positioning grooves for inserting the positioning rods are respectively formed in two end surfaces of the body; the side walls of the first template and the second template are fixedly provided with a plurality of limiting columns, the limiting columns are attached to the circumferential side wall of the body, the limiting columns on the first template and the limiting columns on the second template are opposite to each other, and a fixing assembly for fixing the two opposite limiting columns is arranged between each pair of limiting columns; after all the positioning columns are inserted into the corresponding positioning grooves, the axis of the body, the axis of the first template and the axis of the second template are all collinear.
Through adopting above-mentioned technical scheme, aim at each constant head tank and insert with the locating lever on first template and the locating lever on the second template, can fix a position body, first template and second template, spacing post laminating on body circumference lateral wall and be close to each other on spacing post on first template and the second template simultaneously, the rethread fixed subassembly is fixed each spacing post of pair for the body is fixed with first template and second template, the axis of first template, the axis of second template and the axis of body remain collinearly, the precision after the die body shaping has been improved.
Optionally, the fixed subassembly includes fixed plate, dead lever and fixed spring, and the fixed plate is located every end department that is relative to spacing post, and every two dead levers are fixed on same fixed plate just to the lateral wall of body, and two dead levers insert respectively in two fixed orifices to spacing post just to the lateral wall of fixed plate all, and fixed spring has a plurality ofly and all fixes between fixed plate and body.
Through adopting above-mentioned technical scheme, two dead levers on the fixed plate insert respectively in the fixed orifices on two relative spacing posts, can make two relative spacing posts fixed, and then make first template and second template fix on the body, improved the shaping efficiency of die body, and can outwards drag the fixed plate and make fixed spring tensile, can dismantle first template and second template after spacing post breaks away from spacing hole, improved the change efficiency of first template, second template or body.
Optionally, each fixing plate is provided with two fixing springs, the two fixing springs are respectively located at two sides of the limiting column, and when the fixing springs are in a natural state, the fixing plates are attached to the limiting column.
Through adopting above-mentioned technical scheme, after inserting the locating lever in the constant head tank, the gag lever post just is located in the space between fixed plate and the body for the fixed plate can play spacing effect to the gag lever post, and if the dead lever appears breaking away from the effort of fixed orifices, fixed spring can resist this effort, has improved the steadiness after the die body shaping.
Optionally, the locating rods on the first template and the second template are opposite in pairs, and one ends of the two fixing rods on the same fixing plate, which deviate from the fixing plate, extend into the body and are respectively inserted into the two oppositely arranged locating rods.
Through adopting above-mentioned technical scheme, after the dead lever inserts in the fixed orifices and fixes relative gag lever post, continue to stretch into this internal and insert in the relative locating lever, and then can fix relative locating lever, improved the steadiness after the die body shaping.
Optionally, the side wall of the body is fixedly provided with a plurality of brackets, the brackets are rotationally connected with guide wheels, and each guide wheel is respectively positioned at one side of the different fixing plates, which is away from the body; the sliding ring is connected to the circumferential side wall of the body in a sliding manner, and the sliding direction of the sliding ring is parallel to the axis of the body; a pull rope is fixedly arranged on the side wall of each fixed plate, which is away from the body, and one end of the pull rope, which is away from the fixed plate, bypasses the corresponding guide wheel and is then fixed with the movable ring; the length direction of part of the stay cord between the guide wheel and the fixed plate is parallel to the length direction of the fixed rod.
Through adopting above-mentioned technical scheme, the removal ring that slides towards the direction that deviates from the fixed plate, removes the ring and pulls all stay ropes, and each stay rope pulls corresponding fixed plate, can make all dead levers take out the fixed orifices, has improved the dismantlement efficiency of die body.
Optionally, a plurality of spouts have been seted up on the body circumference lateral wall, and the length direction of spout is on a parallel with the axis of body, and the circumference inner wall of removal ring has set firmly a plurality of sliders, and every slider slides in different spouts respectively.
By adopting the technical scheme, when the movable ring is moved, the sliding block slides in the sliding groove, so that the sliding stability of the movable ring is improved.
Optionally, the sliding block is made of metal, the inner wall of the sliding groove is fixedly provided with a magnetic sheet, and the sliding block is tightly sucked with the magnetic sheet; when the sliding block is attached to the magnetic sheet and is sucked tightly, the fixed spring is in a natural state, and the pull rope is in a stretched state.
Through adopting above-mentioned technical scheme, after the dead lever inserts the fixed orifices, fixed spring is in natural state to slider and magnetic sheet mutually engage and inhale tightly, the stay cord is in stretching straight state this moment, has improved the stability that the dead lever is located the fixed orifices, and then has improved the steadiness after the die body shaping.
Optionally, the circumferential side wall of the body is fixedly provided with a plurality of locking blocks, the movable ring is positioned between the locking blocks and the body, the side wall of the movable ring, which is opposite to the body, is provided with locking grooves, the circumferential outer side wall of the movable ring is provided with a plurality of clamping grooves which are respectively communicated with the locking grooves, locking springs are fixedly arranged in the locking grooves, and one end of each locking spring, which is close to each clamping groove, is fixedly provided with a locking rod; when the locking spring is in a natural state, the locking rod is positioned in the locking groove and the clamping groove at the same time, and all the fixing rods are separated from the corresponding limiting posts; the part of the locking block positioned in the clamping groove is obliquely arranged opposite to the side wall of the fixed plate, and the inclined surface of the locking block gradually approaches to the axis of the body from the fixed plate to the moving ring; the lock block is provided with an unlocking component for pulling the lock rod away from the movable ring.
By adopting the technical scheme, when the movable ring slides, the movable ring extrudes the inclined surface of the lock rod, so that the locking spring is compressed, when the clamping groove is communicated with the locking groove, the lock rod is inserted into the clamping groove by the resilience force of the locking spring, so that the movable ring can be fixed, at the moment, the fixed rod is kept in a state of being separated from the fixed hole, and the fixed spring is kept in a stretched state, so that the disassembly efficiency of the die body is further improved; when the die body is molded, the fixing of the movable ring is released through the unlocking component, the retracting force of the fixing spring enables the pull rope to drag the movable ring to reset, the fixing rod is inserted into the fixing hole again, and molding efficiency of the die body is improved.
Optionally, the unblock subassembly includes connecting rod and connection piece, and connecting rod one end stretches into the locked groove by the locking piece outside and is fixed with the locking lever, and the connecting rod is connected for sliding with the locking piece, and the slip direction of connecting rod is on a parallel with the slip direction of locking lever, and the connection piece sets firmly the one end that is located the connecting rod outside the locking piece.
By adopting the technical scheme, the connecting piece is pulled to enable the connecting rod to drive the lock rod to move, the locking spring compresses, the lock rod is separated from the clamping groove, and the efficiency of releasing the fixation of the movable ring is improved.
Optionally, the expansion direction of the locking spring is consistent with the sliding direction of the locking rod, and the connecting rod passes through the locking spring.
Through adopting above-mentioned technical scheme, the connecting rod slides in locking spring inside for the connecting rod can play the effect of direction to locking spring when flexible.
In summary, the present application includes at least one of the following beneficial technical effects:
1. positioning rods on the first template and positioning rods on the second template are aligned with and inserted into the positioning grooves, so that the body, the first template and the second template can be positioned, and each pair of limiting columns is fixed through the fixing assembly, so that the body is fixed with the first template and the second template, the axis of the first template, the axis of the second template and the axis of the body are kept collinear, and the precision of the molded die body is improved;
2. Two fixing rods on the fixing plate are respectively inserted into fixing holes on two opposite limit posts, so that the two opposite limit posts can be fixed, the forming efficiency of the die body is improved, the fixing plate can be pulled outwards to stretch the fixing spring, the first template and the second template can be disassembled after the limit posts are separated from the limit holes, and the replacement efficiency of the first template, the second template or the body is improved;
3. When the movable ring slides, the movable ring extrudes the inclined surface of the lock rod, so that the locking spring is compressed, when the clamping groove is communicated with the locking groove, the lock rod is inserted into the clamping groove by the resilience force of the locking spring, the movable ring can be fixed, at the moment, the fixed rod is kept in a state separated from the fixed hole, and the fixed spring is kept in a stretching state, so that the disassembly efficiency of the die body is further improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a partial cross-sectional view showing a positioning groove and a fixing hole;
FIG. 3 is a schematic view showing the structure of a fixed spring;
fig. 4 is a partial cross-sectional view showing the positioning assembly and the unlocking assembly.
In the figure, 1, a body; 11. a positioning groove; 12. a chute; 13. a magnetic sheet; 2. a first template; 21. a positioning rod; 23. a limit column; 24. a fixing hole; 3. a second template; 4. a fixing assembly; 41. a fixing plate; 42. a fixed rod; 43. a fixed spring; 5. a bracket; 51. a guide wheel; 52. a pull rope; 53. a moving ring; 531. a slide block; 532. a clamping groove; 6. a locking piece; 61. a locking groove; 62. a locking spring; 63. a lock lever; 7. unlocking the assembly; 71. a connecting rod; 72. and a connecting sheet.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a medical instrument die body.
Referring to fig. 1 and 2, a medical apparatus die body comprises a vertically arranged body 1, wherein the body 1 is in a cylindrical shape with an upper opening and a lower opening, the inside of the body is hollow, a first template 2 which is horizontally arranged is attached to the upper end surface of the body 1, a second template 3 which is horizontally arranged is attached to the lower end surface of the body 1, and the axis of the body 1, the axis of the first template 2 and the axis of the second template 3 are all collinear; a plurality of positioning rods 21 are vertically and fixedly arranged on the lower surface of the first template 2 and the upper surface of the second template 3, a plurality of positioning grooves 11 for inserting the positioning rods 21 are vertically formed in the upper end surface and the lower end surface of the body 1, and the positioning rods 21 and the positioning grooves 11 are circumferentially distributed on the axis of the body 1; the body 1 is provided with a plurality of groups of fixing components 4 for fixing the first template 2 and the second template 3 on the body 1; when the die body is molded, the positioning rods 21 are aligned with the positioning grooves 11 and inserted, the axial positions of the first die plate 2 and the axial positions of the second die plate 3 can be limited, the first die plate 2 and the second die plate 3 are fixed on the body 1 through the fixing assembly 4, and then the accuracy after the die body is molded is improved.
Referring to fig. 2 and 3, a plurality of limit posts 23 are vertically and fixedly arranged on the lower surface of the first template 2 and the upper surface of the second template 3, the limit posts 23 are attached to the peripheral outer side wall of the body 1, and the limit posts 23 on the first template 2 and the limit posts 23 on the second template 3 are arranged in a pairwise and pairwise manner; the fixing assembly 4 comprises a fixing plate 41, two fixing rods 42 and a plurality of fixing springs 43, wherein the fixing plate 41 is attached to the side wall of the opposite limit post 23, which is far away from the body 1, the two fixing rods 42 are distributed up and down and are fixed on the side wall of the fixing plate 41, which is opposite to the limit post 23, the opposite limit post 23 is horizontally provided with fixing holes 24 for inserting the fixing rods 42, the fixing springs 43 are fixed between the side wall of the fixing plate 41, which is opposite to the body 1, and the circumferential outer side wall of the body 1, and are respectively positioned at two sides of the limit post 23, and the expansion direction of the fixing springs 43 is parallel to the length direction of the fixing rods 42; when the fixed spring 43 is in a natural state, the fixed plate 41 is attached to the two opposite limit posts 23, and the fixed rod 42 is inserted into the corresponding fixed hole 24; when the first template 2 and the second template 3 are installed, the fixing plate 41 is pulled outwards to stretch the fixing springs 43, and after the first template 2 and the second template 3 are attached to the end face of the body 1, the fixing plate 41 is loosened to enable the fixing rods 42 to be inserted into the fixing holes 24, so that the forming efficiency of the die body is improved; the fixing plate 41 can be pulled outward again to detach and replace the first and second templates 2 and 3.
Referring to fig. 2, the positioning rods 21 are equal to the limiting posts 23 in length, the positioning rods 21 on the first template 2 and the second template 3 are arranged in a pair of opposite directions, each positioning rod 21 is opposite to the position of the corresponding limiting post 23, one end of the fixing rod 42 inserted into the fixing hole 24 horizontally extends into the body 1 and is inserted into the corresponding positioning rod 21, the first template 2 and the second template 3 can be fixed through the positioning rods 21, and stability after the die body is molded is further improved.
Referring to fig. 3, a plurality of brackets 5 are fixedly arranged on the circumferential outer side wall of the body 1, guide wheels 51 are rotatably connected to the brackets 5, the guide wheels 51 are positioned on one side of the fixed plate 41, which is away from the body 1, and are opposite to the fixed plate 41, the rotation axes of the guide wheels 51 are horizontally arranged and perpendicular to the length direction of the fixed rod 42, and the distance from the guide wheels 51 to the fixed plate 41 is not less than the length of the fixed rod 42; the peripheral outer side wall of the body 1 is connected with a movable ring 53 positioned below the fixed plate 41 in a sliding way, and the axis of the movable ring 53 is collinear with the axis of the body 1; the fixed plate 41 is fixedly connected with a pull rope 52 opposite to the side wall of the guide wheel 51, one end of the pull rope 52 bypasses the guide wheel 51 and inclines downwards to be fixedly connected with the upper surface of the movable ring 53, and the length direction of part of the pull rope 52 between the guide wheel 51 and the fixed plate 41 is parallel to the length direction of the fixed rod 42; the moving ring 53 is slid downwards, so that all the pull ropes 52 simultaneously pull all the fixing plates 41, and all the fixing rods 42 are separated from the fixing holes 24, thereby improving the disassembly efficiency of the die body.
Referring to fig. 4, a plurality of metal sliding blocks 531 are fixedly arranged on the circumferential inner side wall of the moving ring 53, in this embodiment, the sliding blocks 531 are specifically made of iron, a plurality of sliding grooves 12 are vertically formed on the circumferential outer side wall of the body 1, and the sliding blocks 531 slide in the sliding grooves 12; the top of the inner wall of the chute 12 is fixedly embedded with a magnetic sheet 13, when the magnetic sheet 13 is mutually adhered to the sliding block 531 and is sucked tightly, the fixed spring 43 is in a natural state, and the pull rope 52 is in a stretched state; the outer side of the body 1 is provided with a plurality of groups of positioning components for fixing the movable ring 53 to the bottom of the chute 12, when the movable ring 53 is positioned at the bottom of the chute 12, the pull rope 52 is in a tightening state, the fixed spring 43 is in a stretching state, and the fixed rod 42 is separated from the fixed hole 24; the sliding stability of the movable ring 53 can be improved by the sliding block 531 and the sliding groove 12, the stability of the movable ring 53 on the molded body 1 can be improved by the magnetic sheet 13, and the disassembly efficiency of the die body can be improved by the positioning assembly.
Referring to fig. 4, the positioning assembly includes a locking piece 6, a locking spring 62 and a locking rod 63, wherein the locking piece 6 is fixed on the peripheral outer side wall of the body 1 and is positioned at the outer side of the moving ring 53, which is away from the body 1, the peripheral outer side wall of the moving ring 53 is attached to the locking piece 6, a locking groove 61 is horizontally formed on the side wall of the moving ring 53, which is opposite to the locking piece 6, the locking spring 62 is horizontally fixed in the locking groove 61, the locking rod 63 moves horizontally in the locking groove 61, the locking spring 62 is fixed with one end of the locking rod 63 positioned in the locking groove 61, a clamping groove 532 communicated with the locking groove 61 is formed on the side wall of the moving ring 53, which is opposite to the locking groove 61, and when the locking spring 62 is in a natural state, the locking rod 63 is simultaneously positioned in the locking groove 61 and the clamping groove 532; the upper surface of the lock lever 63 in the lock groove 61 is inclined downward and gradually approaches the axis of the body 1 from top to bottom; the lock block 6 is provided with an unlocking component 7 for drawing the lock rod 63 out of the clamping groove 532; in the process of downward movement of the moving ring 53, the inclined surface of the lock lever 63 is firstly pressed by the moving ring 53, so that the locking spring 62 is compressed, the lock lever 63 is completely retracted into the locking groove 61, when the clamping groove 532 is communicated with the locking groove 61, the lock lever 63 is inserted into the moving ring 53 by the resilience force of the locking spring 62, the moving ring 53 is fixed relative to the body 1, and the fixing rod 42 is kept in a state of being separated from the fixing hole 24, so that the forming and dismounting efficiency of the die body is improved.
Referring to fig. 4, the lock block 6 is provided with two lock blocks 6 in common and symmetrically arranged along the axis of the body 1, the unlocking component 7 comprises a connecting rod 71 and a connecting sheet 72, one end of the connecting rod 71 is horizontally inserted from the side wall of the lock block 6 away from the movable ring 53, extends into the lock groove 61 and then passes through the lock spring 62, and is fixedly connected to the end face of the lock rod 63, the sliding direction of the connecting rod 71 is parallel to the expansion direction of the lock spring 62, and the connecting sheet 72 is vertically fixed at one end of the connecting rod 71 outside the lock block 6; simultaneously, the two connecting pieces 72 are pulled, so that the two connecting rods 71 drive the two lock rods 63 to be separated from the clamping grooves 532, the retracting force of the fixed springs 43 enables the pull rope 52 to pull the movable ring 53 upwards, and the efficiency of releasing the fixing of the movable ring 53 is improved.
The implementation principle of the medical instrument die body provided by the embodiment of the application is as follows: when the mold body is molded, the movable ring 53 is firstly slid downwards, the inclined surface of the lock rod 63 is firstly extruded by the movable ring 53, so that the lock spring 62 is compressed, the lock rod 63 is completely retracted into the lock groove 61, when the clamping groove 532 is communicated with the lock groove 61, the lock rod 63 is inserted into the movable ring 53 by the resilience force of the lock spring 62, and the movable ring 53 is fixed relative to the body 1; then each positioning rod 21 is aligned with the positioning groove 11 and inserted, the axial positions of the first template 2 and the axial positions of the second template 3 can be limited, meanwhile, the limiting columns 23 are attached to the peripheral outer side wall of the body 1, and the fixing holes 24 are aligned with the fixing rods 42; simultaneously, the two connecting pieces 72 are pulled, so that the two connecting rods 71 drive the two lock rods 63 to be separated from the clamping grooves 532, the retracting force of the fixed springs 43 enables the pull ropes 52 to pull the movable ring 53 upwards, the lock rods 63 penetrate through the fixed holes 24 and then extend into the body 1 and are inserted into the positioning rods 21, the forming of the die body is completed, at the moment, the axis of the body 1, the axis of the first die plate 2 and the axis of the second die plate 3 are all collinear, and the accuracy of the die body after forming is improved.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. The utility model provides a medical instrument die body, includes body (1), and the both ends face of body (1) is equipped with first template (2) and second template (3) respectively, its characterized in that: a plurality of positioning rods (21) are fixedly arranged on the opposite side walls of the first template (2) and the second template (3), and a plurality of positioning grooves (11) for inserting the positioning rods (21) are formed in the two end faces of the body (1); a plurality of limit posts (23) are fixedly arranged on the opposite side walls of the first template (2) and the second template (3), the limit posts (23) are respectively attached to the circumferential side wall of the body (1), the limit posts (23) on the first template (2) and the limit posts (23) on the second template (3) are opposite in pairs, and a fixing assembly (4) for fixing the two opposite limit posts (23) is arranged between each pair of limit posts (23); after all the positioning columns are inserted into the corresponding positioning grooves (11), the axis of the body (1), the axis of the first template (2) and the axis of the second template (3) are all collinear; the fixing assembly (4) comprises fixing plates (41), fixing rods (42) and fixing springs (43), the fixing plates (41) are located at opposite ends of each pair of limiting columns (23), each two fixing rods (42) are fixed on the side wall of the same fixing plate (41) opposite to the side wall of the body (1), fixing holes (24) are formed in the side wall of the corresponding limiting column (23) opposite to the fixing plate (41), the two fixing rods (42) are inserted into the two fixing holes (24) respectively, and the fixing springs (43) are multiple and are fixed between the fixing plates (41) and the body (1).
2. A medical device phantom according to claim 1, wherein: each fixing plate (41) is provided with two fixing springs (43), the two fixing springs (43) are respectively positioned on two sides of the limiting column (23), and when the fixing springs (43) are in a natural state, the fixing plates (41) are attached to the limiting column (23).
3. A medical device phantom according to claim 1, wherein: the positioning rods (21) on the first template (2) and the second template (3) are opposite to each other in pairs, and one end, deviating from the fixed plate (41), of each of two fixing rods (42) on the same fixed plate (41) extends into the body (1) and is inserted into the two oppositely arranged positioning rods (21) respectively.
4. A medical device phantom according to claim 1, wherein: the side wall of the body (1) is fixedly provided with a plurality of brackets (5), the brackets (5) are rotationally connected with guide wheels (51), and each guide wheel (51) is respectively positioned at one side of different fixing plates (41) away from the body (1); a movable ring (53) is connected to the circumferential side wall of the body (1) in a sliding manner, and the sliding direction of the movable ring (53) is parallel to the axis of the body (1); a pull rope (52) is fixedly arranged on the side wall of each fixed plate (41) deviating from the body (1), and one end of the pull rope (52) far away from the fixed plate (41) bypasses the corresponding guide wheel (51) and is then fixed with the movable ring (53); the length direction of a part of the stay cord (52) between the guide wheel (51) and the fixed plate (41) is parallel to the length direction of the fixed rod (42).
5. A medical device phantom according to claim 4, wherein: a plurality of sliding grooves (12) are formed in the circumferential side wall of the body (1), the length direction of each sliding groove (12) is parallel to the axis of the body (1), a plurality of sliding blocks (531) are fixedly arranged on the circumferential inner side wall of the moving ring (53), and each sliding block (531) slides in different sliding grooves (12) respectively.
6. A medical device phantom according to claim 5, wherein: the sliding block (531) is made of metal, the magnetic sheet (13) is fixedly arranged on the inner wall of the sliding groove (12), and the sliding block (531) is tightly sucked with the magnetic sheet (13); when the slider (531) is jointed with the magnetic sheet (13) and is sucked tightly, the fixed spring (43) is in a natural state, and the pull rope (52) is in a stretched state.
7. A medical device phantom according to claim 6, wherein: a plurality of locking blocks (6) are fixedly arranged on the circumferential side wall of the body (1), the movable ring (53) is positioned between the locking blocks (6) and the body (1), locking grooves (61) are respectively formed in the side wall, opposite to the body (1), of the locking blocks (6), a plurality of clamping grooves (532) which are respectively communicated with the locking grooves (61) are formed in the circumferential outer side wall of the movable ring (53), locking springs (62) are fixedly arranged in the locking grooves (61), and locking rods (63) are fixedly arranged at one ends, close to the clamping grooves (532), of the locking springs (62); when the locking spring (62) is in a natural state, the locking rod (63) is simultaneously positioned in the locking groove (61) and the clamping groove (532), and all the fixing rods (42) are separated from the corresponding limiting columns (23); the part of the locking block (6) positioned in the clamping groove (532) is obliquely arranged opposite to the side wall of the fixed plate (41), and the inclined surface of the locking block (6) is gradually close to the axis of the body (1) from the direction from the fixed plate (41) to the movable ring (53); the lock block (6) is provided with an unlocking component (7) for drawing the lock rod (63) away from the movable ring (53).
8. A medical device phantom according to claim 7, wherein: the unlocking component (7) comprises a connecting rod (71) and a connecting sheet (72), one end of the connecting rod (71) extends into the locking groove (61) from the outer side of the locking piece (6) and is fixed with the locking rod (63), the connecting rod (71) is connected with the locking piece (6) in a sliding mode, the sliding direction of the connecting rod (71) is parallel to the sliding direction of the locking rod (63), and the connecting sheet (72) is fixedly arranged at one end of the connecting rod (71) located outside the locking piece (6).
9. A medical device phantom according to claim 8, wherein: the expansion and contraction direction of the locking spring (62) is consistent with the sliding direction of the locking rod (63), and the connecting rod (71) passes through the locking spring (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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