CN114870243A - Quick-release structure and method for dome of micro-nutation ventricular assist pump - Google Patents
Quick-release structure and method for dome of micro-nutation ventricular assist pump Download PDFInfo
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- CN114870243A CN114870243A CN202210515682.4A CN202210515682A CN114870243A CN 114870243 A CN114870243 A CN 114870243A CN 202210515682 A CN202210515682 A CN 202210515682A CN 114870243 A CN114870243 A CN 114870243A
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- 230000002861 ventricular Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010018910 Haemolysis Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008588 hemolysis Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/465—Details relating to driving for devices for mechanical circulatory actuation
- A61M60/489—Details relating to driving for devices for mechanical circulatory actuation the force acting on the actuation means being magnetic
- A61M60/492—Details relating to driving for devices for mechanical circulatory actuation the force acting on the actuation means being magnetic generated by permanent magnets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/839—Constructional details other than related to driving of devices for mechanical circulatory actuation
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- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to a quick-release structure for a round cover of a micro nutation ventricular assist pump, which comprises a shell, an upper cover and a lower cover of a pump body, wherein the upper cover and the lower cover are respectively connected with the shell to form a fluid containing cavity in a surrounding manner, a plurality of fixed stand columns are uniformly and fixedly arranged on the circumference of the edge of a port of the shell, through holes for inserting the fixed stand columns on the same side in a one-to-one correspondence manner are uniformly arranged on the circumference of the end surface of the upper cover and the end surface of the lower cover for connecting the port, movable stand columns for clamping the inserted fixed stand columns in the through holes are arranged in the upper cover and the lower cover, the movable stand columns are connected with the inner circumference and the outer circumference of the corresponding upper cover and the corresponding lower cover through radially extending springs, a clamping structure between the movable stand columns and the circumferential sides of the fixed stand columns is a concave-convex clamping part, and the fixed stand columns are all parallel to the axial direction of the shell, the upper cover and the lower cover. This miniature nutation ventricle auxiliary pump dome rapid disassembly structure's dismouting process is simple high-efficient, can reduce the work load of workman's dismouting, makes things convenient for the staff to use.
Description
Technical Field
The invention relates to a quick-release structure and a quick-release method for a round cover of a micro nutating ventricular assist pump.
Background
The traditional artificial heart pump belongs to pump-machine integration, wherein the pump-machine integration is to integrate a pump body and a driving part into a whole, a nutation value can be generally divided into two components which are parallel to and perpendicular to a ecliptic, the component on the ecliptic is called ecliptic nutation, the component perpendicular to the ecliptic is called oblique nutation, and the common influence of the precision and the nutation causes a true pole to draw a wavy curve on a celestial sphere around the ecliptic pole. In addition, the main factor influencing the stability of the conical motion of the rocket projectile is the coupled motion of nutation and precession of the projectile body;
in the prior art, for example, Chinese patent numbers are: CN105477705B, a magnetic suspension ventricle auxiliary pump based on nutation principle and application thereof, the upper cover and the lower cover of its pump body are connected with the shell respectively in order to enclose into the fluid volume chamber, the fluid is provided with the middle part in the appearance chamber and is spheroidal nutation dish, spheroidal upper and lower surface covers respectively has upper and lower sphere magnet, install upper and lower magnetic shoe corresponding with upper and lower sphere magnet in the upper and lower cover respectively, the internal surface of going up sphere magnet is opposite with the internal surface magnetism of lower sphere magnet, the surface of going up sphere magnet is the same with the internal surface magnetism of last magnetic shoe, the surface of lower sphere magnet is the same with the internal surface magnetism of lower magnetic shoe, circular through-hole has been seted up at the spheroid center, install the inclined sleeve that forms the revolute pair with the spheroid in the circular through-hole, the inclined sleeve is driven by outside driving motor. The invention realizes the non-contact suspension of the moving parts, reduces the occurrence probability of hemolysis and thrombus and the pollution to blood, greatly improves the performance and prolongs the service life;
however, when the device is used and workers disassemble and check, the device still needs to be disassembled and assembled by using tools, so that the workload is greatly increased, and the workers are inconvenient to use.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a quick-release structure of a dome of a micro-nutation ventricular assist pump and a disassembly and assembly method thereof.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a miniature nutation ventricle auxiliary pump dome rapid disassembly structure, includes shell, upper cover, the lower cover of the pump body, upper cover and lower cover are connected with the shell respectively in order to enclose into the fluid volume that holds, the equal circumference in port edge of shell has evenly set firmly a plurality of stationary mast, the upper cover evenly is equipped with the equal circumference of terminal surface that the lower cover is used for connecting the port and is used for with distolateral stationary mast one-to-one male through-hole, the upper cover all is equipped with in every through-hole with the lower cover is used for carrying out the movable stand of week side joint with male stationary mast, all through radially extending's spring coupling between the upper and lower cover inside and outside week of movable stand and correspondence, the joint structure between movable stand and stationary mast week side is unsmooth joint portion, stationary mast and movable stand all with the axial direction parallel of shell, upper cover, lower cover.
Preferably, the male and female locking portions include a circular convex portion fixed to the periphery of the fixed column and a circular concave portion formed on the periphery of the movable column.
Preferably, all be provided with fixed axle sleeve between the inside and outside week of activity stand and upper and lower cover, fixed axle sleeve all fixes at the inside and radial extension of upper and lower cover, the activity stand all is fixed with the guide shaft of radial extension at the periphery side relative with fixed stand, the guide shaft all inserts and wears out from the outer end of fixed axle sleeve along the inner coaxial of fixed axle sleeve, the guide shaft all is fixed with limit flange at the inside coaxial of fixed axle sleeve, the spring is all overlapped on the guide shaft between limit flange and fixed axle sleeve outer end.
Preferably, the end parts of the guide shafts penetrating out along the outer ends of the fixed shaft sleeves are provided with rope penetrating holes, a steel wire rope penetrates through the rope penetrating holes of the guide shafts, the head parts of the two ends of the steel wire rope are fixed on a locking bolt, and the locking bolt radially penetrates into the upper cover and the lower cover along the peripheral sides of the upper cover and the lower cover and is in threaded connection with the fixed blocks inside the upper cover and the lower cover.
Preferably, the inside nutation dish that is provided with of shell, the center of nutation dish is provided with the round hole that is used for installing nutation dribbling, the hole edge circumference equipartition of round hole has the spring catch of a plurality of radial extension, the circumference equipartition has a plurality of to be used for the spring catch to insert the location pinhole of inlaying on the nutation dribbling.
A method for dismounting a quick-release structure of a dome of a micro nutating ventricular assist pump comprises the following steps:
s1: when the nutating disc ball is used, the nutating disc ball is movably embedded into the center of the nutating disc ball, the nutating disc ball extrudes a plurality of spring pins, and when the nutating disc ball moves to a certain position, the spring pins are movably embedded into a plurality of positioning pin holes, so that the nutating disc ball is conveniently installed, and workers can conveniently work;
s2: then inserting the fixed upright column along the corresponding through hole of the lower cover, extruding the movable upright column by the circular convex part of the fixed upright column, and pushing the movable upright column to move outwards in the radial direction, so that the springs are in a compressed state until the circular convex part and the circular concave part are mutually clamped, and the lower cover is arranged at the lower port of the shell, and a sealing gasket is arranged at the joint of the lower cover and the corresponding port; immediately after the nutating disk of S1 is installed at the center of the top of the lower cover; mounting the upper cover on the upper port of the shell by using the method; the locking bolts of the upper cover and the lower cover are rotated to lock the locking bolts on the fixing block, meanwhile, the locking bolts are wound on the steel wire rope, the perimeter of the steel wire rope is shortened to tighten a plurality of guide shafts inwards, the movable upright post cannot move outwards, and the upper cover and the lower cover are prevented from falling off under the external force of the axial direction;
s3: when the movable upright post needs to be disassembled, the locking bolt is unscrewed, part of the length of the steel wire rope is released, the perimeter of the steel wire rope is lengthened, the movable upright post has an outward moving stroke, and then the upper cover and the lower cover are pulled out of the shell by force along the axial direction.
Compared with the prior art, the invention has the following beneficial effects: this miniature nutation ventricle auxiliary pump dome rapid disassembly structure's dismouting process is simple high-efficient, can reduce the work load of workman's dismouting, makes things convenient for the staff to use.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is a plan view of the upper/lower cover.
Fig. 4 is a partial schematic view of fig. 3.
Fig. 5 is a plan view of the fixing post inserted into the upper/lower cover.
Fig. 6 is a partial schematic view of fig. 5.
Fig. 7 is a schematic view of the connection between the guide shaft and the wire rope.
Fig. 8 is a schematic view of the connection of the locking bolt to the wire rope.
Fig. 9 is a schematic view showing a first working state of the fixing post inserted into the through hole.
Fig. 10 is a schematic view showing the second working state of the fixing post inserted into the through hole.
FIG. 11 is a schematic view of the installation of a nutating dribbling.
Fig. 12 is an exploded view of a nutating disk.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 12, the embodiment provides a quick release structure for a round cover of a micro nutation ventricular assist pump, which includes a casing 1, an upper cover 2 and a lower cover 3 of a pump body, the upper cover and the lower cover are respectively connected with the casing to form a fluid chamber, a plurality of fixed columns 4 are uniformly and fixedly arranged on the edge of a port of the casing, through holes 5 for corresponding insertion of the fixed columns on the same side are uniformly arranged on the end surface of the upper cover and the lower cover, the upper cover and the lower cover are internally provided with movable columns 6 in each through hole for clamping the inserted fixed columns on the periphery side, the movable columns are connected with the corresponding inner and outer peripheries of the upper cover and the lower cover through springs 7 extending in the radial direction, the clamping structure between the movable columns and the fixed columns is a concave-convex clamping portion, and the fixed columns and the movable columns are connected with the casing and the upper cover and the concave-convex clamping portion, The axial directions of the lower cover are parallel.
In the embodiment of the invention, the concave-convex card part comprises a round convex part 8 fixed on the periphery of the fixed column and a round concave part 9 arranged on the periphery of the movable column.
In the embodiment of the invention, fixed shaft sleeves 10 are arranged between the movable upright column and the inner and outer peripheries of the upper and lower covers, the fixed shaft sleeves are fixed inside the upper and lower covers and extend in the radial direction, guide shafts 11 extending in the radial direction are fixed on the outer peripheral sides of the movable upright column opposite to the fixed upright column, the guide shafts are coaxially inserted along the inner ends of the fixed shaft sleeves and penetrate out from the outer ends of the fixed shaft sleeves, limiting flanges 12 are coaxially fixed inside the fixed shaft sleeves on the guide shafts, and springs are sleeved on the guide shafts between the limiting flanges and the outer ends of the fixed shaft sleeves.
In the embodiment of the invention, the end parts of the guide shafts penetrating out along the outer end of the fixed shaft sleeve are respectively provided with a rope penetrating hole 13, a steel wire rope 14 penetrates through the rope penetrating holes of a plurality of guide shafts, the head parts of the two ends of the steel wire rope are respectively fixed on a locking bolt 15, and the locking bolts radially penetrate into the upper cover and the lower cover along the peripheral sides of the upper cover and the lower cover and are screwed on the fixed blocks 16 in the upper cover and the lower cover.
In the embodiment of the invention, a nutation disc 17 is arranged inside the shell, a round hole 19 for installing a nutation disc ball 18 is arranged in the center of the nutation disc, a plurality of radially extending spring pins 20 are uniformly distributed on the periphery of an inner hole of the round hole, and a plurality of positioning pin holes 21 for inserting and embedding the spring pins are uniformly distributed on the periphery of the nutation disc ball.
A method for dismounting a quick-release structure of a dome of a micro nutating ventricular assist pump comprises the following steps:
s1: when the nutating disc ball is used, the nutating disc ball is movably embedded into the center of the nutating disc ball, the nutating disc ball extrudes a plurality of spring pins, and when the nutating disc ball moves to a certain position, the spring pins are movably embedded into a plurality of positioning pin holes, so that the nutating disc ball is conveniently installed, and workers can conveniently work;
s2: then inserting the fixed upright column along the corresponding through hole of the lower cover, extruding the movable upright column by the circular convex part of the fixed upright column, and pushing the movable upright column to move outwards in the radial direction, so that the springs are in a compressed state until the circular convex part and the circular concave part are mutually clamped, and the lower cover is arranged at the lower port of the shell, and a sealing gasket 22 is arranged at the joint of the lower cover and the corresponding port; immediately after the mounting of the nutating disk of S1 at the center of the top of the lower cover; mounting the upper cover on the upper port of the shell by using the method; the locking bolts of the upper cover and the lower cover are rotated to lock the locking bolts on the fixing block, meanwhile, the locking bolts are wound on the steel wire rope, the perimeter of the steel wire rope is shortened to tighten a plurality of guide shafts inwards, the movable upright post cannot move outwards, and the upper cover and the lower cover are prevented from falling off under the external force of the axial direction;
s3: when the movable upright post needs to be disassembled, the locking bolt is unscrewed, part of the length of the steel wire rope is released, the perimeter of the steel wire rope is lengthened, the movable upright post has an outward moving stroke, and then the upper cover and the lower cover are pulled out of the shell by force along the axial direction.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a miniature nutation ventricle auxiliary pump dome rapid disassembly structure, includes shell, upper cover, the lower cover of the pump body, upper cover and lower cover are connected in order to enclose into the fluid volume chamber, its characterized in that with the shell respectively: the equal circumference in port edge of shell has evenly set firmly a plurality of stationary mast, the upper cover evenly is equipped with the lower cover for the equal circumference of terminal surface of connection port evenly is used for carrying out with the equal fixed mast one-to-one male through-hole, the upper cover all is equipped with in every through-hole with the lower cover is inside to be used for carrying out the movable mast of week side joint with male fixed mast, all through radially extending's spring coupling between the outer week in movable mast and the corresponding upper and lower cover, the joint structure between the movable mast and the fixed mast week side is unsmooth card portion, fixed mast and movable mast all with the axial direction parallel of shell, upper cover, lower cover.
2. A micro-nutating ventricular assist pump dome quick release structure as claimed in claim 1, wherein: the concave-convex clamping part comprises a circular convex part fixed on the periphery of the fixed upright post and a circular concave part arranged on the periphery of the movable upright post.
3. A micro-nutating ventricular assist pump dome quick release structure as claimed in claim 1, wherein: all be provided with fixed axle sleeve between the inside and outside week of activity stand and upper and lower cover, fixed axle sleeve all fixes at the inside and radial extension of upper and lower cover, the activity stand all is fixed with the guide shaft of radial extension at the periphery side relative with fixed stand, the guide shaft all inserts and wears out from the outer end of fixed axle sleeve along the inner coaxial of fixed axle sleeve, the guide shaft all is fixed with limit flange at fixed axle sleeve inside all coaxial, the spring is all established on the guide shaft between limit flange and fixed axle sleeve outer end.
4. A micro-nutating ventricular assist pump dome quick release structure as claimed in claim 3, wherein: the wire rope penetrating holes are formed in the end portions of the guide shafts penetrating out of the outer ends of the fixing shaft sleeves, a wire rope penetrates through the wire rope penetrating holes of the guide shafts, the head portions of the two ends of the wire rope are fixed on a locking bolt, and the locking bolt radially penetrates into the upper cover and the lower cover along the peripheral sides of the upper cover and the lower cover and is in threaded connection with fixing blocks inside the upper cover and the lower cover.
5. A micro-nutating ventricular assist pump dome quick release structure as claimed in claim 1, wherein: the inside nutation dish that is provided with of shell, the center of nutation dish is provided with the round hole that is used for installing nutation dribbling, the hole edge circumference equipartition of round hole has the spring catch of a plurality of radial extension, the circumference equipartition has a plurality of to be used for the spring catch to insert the location pinhole of inlaying on the nutation dribbling.
6. A method for disassembling and assembling a rapid disassembly structure of a dome of a miniature nutating ventricular assist pump as claimed in any one of claims 1 to 5, comprising the following steps:
s1: when the nutating disc ball is used, the nutating disc ball is movably embedded into the center of the nutating disc ball, the nutating disc ball extrudes a plurality of spring pins, and when the nutating disc ball moves to a certain position, the spring pins are movably embedded into a plurality of positioning pin holes, so that the nutating disc ball is conveniently installed, and workers can conveniently work;
s2: then inserting the fixed upright column along the corresponding through hole of the lower cover, extruding the movable upright column by the circular convex part of the fixed upright column, and pushing the movable upright column to move outwards in the radial direction, so that the springs are in a compressed state until the circular convex part and the circular concave part are mutually clamped, and the lower cover is arranged at the lower port of the shell, and a sealing gasket is arranged at the joint of the lower cover and the corresponding port; immediately after the nutating disk of S1 is installed at the center of the top of the lower cover; mounting the upper cover on the upper port of the shell by using the method; the locking bolts of the upper cover and the lower cover are rotated to lock the locking bolts on the fixing block, meanwhile, the locking bolts are wound on the steel wire rope, the perimeter of the steel wire rope is shortened to tighten a plurality of guide shafts inwards, the movable upright post cannot move outwards, and the upper cover and the lower cover are prevented from falling off under the external force of the axial direction;
s3: when the movable upright post needs to be disassembled, the locking bolt is unscrewed, part of the length of the steel wire rope is released, the perimeter of the steel wire rope is lengthened, the movable upright post has an outward moving stroke, and then the upper cover and the lower cover are pulled out of the shell by force along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210515682.4A CN114870243A (en) | 2022-05-12 | 2022-05-12 | Quick-release structure and method for dome of micro-nutation ventricular assist pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210515682.4A CN114870243A (en) | 2022-05-12 | 2022-05-12 | Quick-release structure and method for dome of micro-nutation ventricular assist pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114870243A true CN114870243A (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210515682.4A Pending CN114870243A (en) | 2022-05-12 | 2022-05-12 | Quick-release structure and method for dome of micro-nutation ventricular assist pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN114870243A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477705A (en) * | 2016-01-18 | 2016-04-13 | 福州大学 | Magnetic suspension ventricle auxiliary pump based on nutation principle and application thereof |
| JP3218666U (en) * | 2018-06-22 | 2018-11-01 | エアメイト エレクトリカル（センゼン） カンパニー，リミテッド | Battery cover structure of remote control |
| CN209334557U (en) * | 2018-12-30 | 2019-09-03 | 于昂 | A kind of stamping die of fast assembling-disassembling |
| CN210370961U (en) * | 2019-08-27 | 2020-04-21 | 德阳上川科技有限公司 | Air inlet shell convenient to disassemble and assemble |
| CN111750076A (en) * | 2020-07-14 | 2020-10-09 | 安徽聚源昕锐精密机械有限公司 | Machine tool gear box shell convenient to disassemble and assemble and disassembling and assembling method thereof |
| CN111799940A (en) * | 2020-08-24 | 2020-10-20 | 滁州市贝蒂玛童车有限公司 | Motor brake device and baby carriage comprising same |
| CN212034873U (en) * | 2020-05-07 | 2020-12-01 | 常州戴雅托普机械有限公司 | Semi-automatic inlet wire grass cutting head |
-
2022
- 2022-05-12 CN CN202210515682.4A patent/CN114870243A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477705A (en) * | 2016-01-18 | 2016-04-13 | 福州大学 | Magnetic suspension ventricle auxiliary pump based on nutation principle and application thereof |
| JP3218666U (en) * | 2018-06-22 | 2018-11-01 | エアメイト エレクトリカル（センゼン） カンパニー，リミテッド | Battery cover structure of remote control |
| CN209334557U (en) * | 2018-12-30 | 2019-09-03 | 于昂 | A kind of stamping die of fast assembling-disassembling |
| CN210370961U (en) * | 2019-08-27 | 2020-04-21 | 德阳上川科技有限公司 | Air inlet shell convenient to disassemble and assemble |
| CN212034873U (en) * | 2020-05-07 | 2020-12-01 | 常州戴雅托普机械有限公司 | Semi-automatic inlet wire grass cutting head |
| CN111750076A (en) * | 2020-07-14 | 2020-10-09 | 安徽聚源昕锐精密机械有限公司 | Machine tool gear box shell convenient to disassemble and assemble and disassembling and assembling method thereof |
| CN111799940A (en) * | 2020-08-24 | 2020-10-20 | 滁州市贝蒂玛童车有限公司 | Motor brake device and baby carriage comprising same |
Non-Patent Citations (1)
| Title |
|---|
| 晏涛;薛萌萌;梅瑞麟;曹煜晖;王中任;: "一种快速连接机构的设计与分析", 机械工程与自动化, no. 03, 7 June 2018 (2018-06-07), pages 89 - 90 * |
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