CN112047277B - Medical science inspection tube opening device convenient to use - Google Patents
Medical science inspection tube opening device convenient to use Download PDFInfo
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- CN112047277B CN112047277B CN202010663108.4A CN202010663108A CN112047277B CN 112047277 B CN112047277 B CN 112047277B CN 202010663108 A CN202010663108 A CN 202010663108A CN 112047277 B CN112047277 B CN 112047277B
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- elastic telescopic
- telescopic rod
- inner ring
- shell
- ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B7/00—Hand- or power-operated devices for opening closed containers
- B67B7/14—Hand- or power-operated devices for opening closed containers for removing tightly-fitting lids or covers, e.g. of shoe-polish tins, by gripping and rotating
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- Mechanical Engineering (AREA)
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Abstract
The invention relates to a medical examination tube opening device convenient to use, which aims to solve the problem that containers such as centrifuge tubes and the like are difficult to open and comprises a shell, wherein the shell is provided with an accommodating cavity with an upward opening; the shell is provided with an air storage chamber which is communicated with the cavities of the plurality of clamping blocks through air holes, and the shell is provided with an air charging and discharging device communicated with the air storage chamber; the shell is provided with a rotating ring which is arranged above the clamping block and coaxial with the shell, the rotating ring is movably connected with the shell, the rotating ring is provided with a plurality of elastic telescopic rods which are distributed along the circumference of the axis of the rotating ring, the elastic telescopic rods are arranged along the radial direction of the shell, one end of each elastic telescopic rod is rotatably connected with the rotating ring along the axis of the elastic telescopic rod, and the other end of each elastic telescopic rod is arranged on the inner side of the rotating ring; the other end of the elastic telescopic rod is provided with a wedge-shaped clamping block.
Description
Technical Field
The invention relates to a medical examination device, in particular to a medical examination tube opening device convenient to use.
Background
The most used sample collection containers such as centrifuge tubes in medical examination are used, in order to guarantee the effectiveness of samples, the containers need to be stored in a sealed mode, a gland type and a screw cap type are adopted in a common sealing mode, due to the sealing requirement, after the centrifuge tubes are sealed, the centrifuge tubes need to be turned outwards or screwed outwards forcibly to be opened, however, the centrifuge tubes and other containers are usually small, the pressure generated to hands in the manual turning-outwards or screwing process is large, the centrifuge tubes are difficult to open, tissue contusion can be caused to the hands, particularly fingers, of medical workers, and inconvenience is brought to the medical workers.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the medical examination tube opening device convenient to use, so that the problem that containers such as centrifuge tubes are difficult to open is solved, and a more convenient and safer starting mode is provided for medical staff.
The technical scheme for solving the problem is as follows: the clamping device comprises a shell with an axis vertically arranged, wherein an accommodating cavity with an upward opening is formed in the shell, a plurality of clamping blocks are distributed on the shell along the circumference of the axis of the shell, each clamping block is a closed cavity structure formed by sequentially connecting a fixed end, a telescopic corrugated pipe and a movable end, the fixed end is connected with the shell, and the movable end is arranged in the accommodating cavity; the shell is provided with an annular air storage chamber arranged at the periphery of the accommodating cavity, the air storage chamber is communicated with the cavities of the plurality of clamping blocks through air holes respectively, and the shell is provided with an air charging and discharging device (such as a piston cylinder, an air compressor and the like) communicated with the air storage chamber; the shell is provided with a rotating ring which is arranged above the clamping block and is coaxial with the shell, the rotating ring is movably connected (can rotate and slide) with the shell through the outer edge surface of the rotating ring, the rotating ring is provided with a plurality of elastic telescopic rods which are distributed along the circumference of the axis of the rotating ring, the axis of each elastic telescopic rod is arranged in the radial direction relative to the axis of the shell, one end of each elastic telescopic rod is rotatably connected with the rotating ring along the axis of the elastic telescopic rod, and the other end of each elastic telescopic rod is arranged on the inner side of the rotating ring; the other end of the elastic telescopic rod is provided with a wedge-shaped clamping block.
According to the centrifugal tube opening device, the matching of different sealing covers can be realized only by rotating the rotary handle to switch the angle of the tip end of the wedge-shaped clamping block, then the tube opening operation of centrifugal tubes with different sealing modes can be realized by opening the driving device, the operation is convenient and efficient, manual force is not needed, meanwhile, the centrifugal tube opening device can automatically match and clamp centrifugal tubes with different sizes by adjusting the telescopic lengths of the elastic telescopic rod and the corrugated tube, and the centrifugal tube opening device is wide in applicability and high in practicability.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 3 is a cross-sectional view B-B of the present invention.
FIG. 4 is a cross-sectional view of the present invention taken along line C-C.
Fig. 5 is an axial schematic view of the present invention.
Fig. 6 is an axial cross-sectional view of the present invention.
Fig. 7 is a sectional view showing the internal structure of the present invention.
Fig. 8 is a schematic structural view of the spiral cam groove of the ring wheel of the present invention.
Reference numerals: 1. a housing; 2. an accommodating cavity; 3. a clamping block; 4. a fixed end; 5. a bellows; 6. a movable end; 7. an air storage chamber; 8. a vent hole; 9. an air charging and discharging device; 10. rotating the ring; 11. an elastic telescopic rod; 12. a wedge-shaped fixture block; 13. a sleeve; 14. an inner ring; 15. a planet wheel; 16. an inner gear ring; 17. a planet shaft; 18. a drive device; 19. elastic tabletting; 20. an eccentric wheel; 21. a locking slide block; 22. a spring; 23. a vertical guide groove; 24. a bevel gear; 25. a planetary bevel gear; 26. a worm gear; 27. a worm; 28. turning a handle; 29. a gear pair; 30. an annular wheel; 31. an outer edge boss; 32. a limiting chute; 33. a conical spring; 34. a scroll cam groove; 35. a cam follower; 36. a non-slip mat; 37. a friction plate.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the present invention includes a housing 1 with an axis vertically arranged, an accommodating cavity 2 with an upward opening is formed on the housing 1, a plurality of clamping blocks 3 distributed along the circumference of the axis of the housing 1 are arranged on the housing 1, the clamping blocks 3 are a closed cavity structure formed by sequentially connecting a fixed end 4, a telescopic corrugated pipe 5 and a movable end 6, the fixed end 4 is connected with the housing 1, and the movable end 6 is arranged in the accommodating cavity 2; the article clamping device is characterized in that an annular air storage chamber 7 arranged on the periphery of the accommodating cavity 2 is arranged on the shell 1, the air storage chamber 7 is communicated with the cavities of the clamping blocks 3 through air holes 8, an air charging and discharging device 9 (such as a piston cylinder, an air compressor and the like) communicated with the air storage chamber 7 is arranged on the shell 1, when the air charging and discharging device 9 charges air, the air is filled in the air storage chamber 7 and simultaneously enters the cavities of the clamping blocks 3 through the air holes 8, the air pressure in the cavities is raised, so that the movable end 6 moves towards the central direction of the accommodating cavity 2 (i.e. moves towards the center), the corrugated pipe 5 extends gradually, the clamping blocks 3 simultaneously move towards the center in a telescopic mode to generate inward clamping action, under the action of the air pressure in the clamping blocks 3, articles are stably clamped by the clamping blocks 3, and the clamping force can be changed by adjusting the air charging pressure; similarly, when the air charging and discharging device 9 discharges air, the pressure in the cavity is reduced to enable the movable end 6 to generate centrifugal movement to loosen the object, and at the moment, the corrugated pipe 5 contracts; the shell 1 is provided with a rotating ring 10 which is arranged above the clamping block 3 and is coaxial with the shell 1, the rotating ring 10 is movably connected (rotatable and slidable) with the shell 1 through the outer edge surface of the rotating ring 10, the rotating ring 10 is provided with a plurality of elastic telescopic rods 11 which are distributed along the circumference of the axis of the rotating ring 10, the axis of the elastic telescopic rods 11 is arranged in the radial direction relative to the axis of the shell 1, one end of each elastic telescopic rod 11 is rotatably connected with the rotating ring 10 along the axis of the elastic telescopic rod 11, and the other end of each elastic telescopic rod 11 is arranged on the inner side of the rotating ring 10; the other end of the elastic telescopic rod 11 is provided with a wedge-shaped fixture block 12.
When the centrifugal tube clamping device is used, the elastic telescopic rod 11 is manually controlled to be retracted and contracted, the centrifugal tube is placed into the containing cavity 2, the tube opening of the centrifugal tube is made to be consistent with the height of the elastic telescopic rod 11, the air inflation and deflation device 9 is started to inflate, the elastic telescopic rod 11 is loosened to eject the centrifugal tube, the centrifugal tube is gradually clamped at the current position by the clamping block 3, and the wedge-shaped clamping block 12 moves centripetally under the elastic force action of the elastic telescopic rod 11 and is tightly abutted to the tube opening of the centrifugal tube; according to the difference of centrifuging tube mouth of pipe seal structure: when the centrifugal tube is sealed by a gland, the elastic telescopic rod 11 is rotated to enable the wedge-shaped tip of the wedge-shaped fixture block 12 to be horizontal to be embedded into a gland gap, and then the gland is opened by pulling the rotating ring 10 outwards; when the centrifuging tube is sealed for the screw cap, rotate elasticity telescopic link 11 and make the wedge of wedge fixture block 12 most advanced vertical in order to imbed in the peripheral anti-skidding line of screw cap, and then open the screw cap through rotating swivel 10.
Further, the rotating ring 10 is composed of a sleeve 13 and an inner ring 14 which axially slide through a spline, the sleeve 13 is arranged above the clamping block 3 and coaxially and rotatably connected with the shell 1, and the inner ring 14 is arranged inside the sleeve 13; one end of the elastic telescopic rod 11 is rotatably connected with the sleeve 13 along the axis of the elastic telescopic rod 11, and the other end of the elastic telescopic rod 11 radially penetrates through the inner ring 14 in a sliding manner and is arranged on the inner side of the inner ring 14.
Furthermore, the sleeve 13 is provided with a plurality of planet wheels 15 which are arranged outside the inner ring 14 and distributed along the circumference of the axis of the sleeve 13, and the planet wheels 15 are in one-to-one up-and-down correspondence with the telescopic rods 11; the axis of the planet gear 15 is vertically arranged and is rotationally connected with the sleeve 3, an inner gear ring 16 which is matched and meshed with the planet gears 15 is arranged on the shell 1, and the inner gear ring 16 is rotationally connected with the shell 1 along the axis of the inner gear ring 16; the sleeve 13 is provided with a plurality of planet shafts 17 which are coaxially arranged with the planet wheels 15 one by one, the planet shafts 17 are coaxially connected with the planet wheels 15 through threads in a transmission manner, the lower ends of the planet shafts 17 are vertically and slidably connected with the sleeve 13, the upper ends of the planet shafts 17 are rotatably connected with one end of the elastic telescopic rod 11 along the axis of the elastic telescopic rod 11, and the other end of the elastic telescopic rod 11 radially penetrates through the inner ring 14 in a sliding manner and is arranged on the inner side of the inner ring 14; the shell 1 is provided with a driving device 18 which is in transmission connection with the inner gear ring 16.
When the device is used, the driving device 18 drives the inner gear ring 16 to rotate, and when the planet wheel 15 is limited in rotation (manual intervention), the rotating ring 10 rotates to open the threaded cover; when the rotation of the sleeve 13 is limited (manual intervention), the planet wheel is driven by the inner gear ring 16 to rotate, so that the planet shaft 17 is driven by the thread to move up and down and drives the inner ring 14 to slide up and down, and the opening of the gland is realized.
Furthermore, the inner ring 14 is provided with elastic pressing sheets 19 corresponding to the plurality of planet wheels 15 one by one, the elastic pressing sheets 19 are arranged between the corresponding planet wheels 15 and the elastic telescopic rods 11, one end of each elastic telescopic rod 11 is provided with eccentric wheels 20 corresponding to the plurality of elastic pressing sheets 19 one by one, when the elastic telescopic rods 11 rotate on the corresponding planet shafts 17 along the axes of the elastic telescopic rods to enable the wedge-shaped tips of the wedge-shaped fixture blocks 12 to be horizontal, the eccentric wheels 20 rotate along with the elastic telescopic rods 11 to enable the large ends of the eccentric wheels 20 to be far away from the elastic pressing sheets 19, and the elastic pressing sheets 19 do not deform; when the elastic telescopic rod 11 rotates on the corresponding planet shaft 17 along the axis of the elastic telescopic rod to enable the wedge-shaped tip of the wedge-shaped fixture block 12 to be vertical, the eccentric wheel 20 rotates along with the elastic telescopic rod 11 to enable the large end of the eccentric wheel 20 to approach and press the elastic pressing sheet 19, so that the elastic pressing sheet 19 deforms and is pressed on the corresponding planet wheel 15, and friction rotation stopping of the planet wheel 15 is realized; one end of the elastic telescopic rod 11 is a beveled end (or a cam end), a locking slide block 21 which is coaxially corresponding to one end of the elastic telescopic rod 11 is arranged on the inner ring 14, the locking slide block 21 is connected with the inner ring 14 through a spring 22, under the action of the elastic force of the spring 22, the locking slide block 21 centripetally slides and is in extrusion contact with the beveled end of the elastic telescopic rod 11, the centripetally end of the locking slide block 21 is flush with the beveled end of the elastic telescopic rod 11 (or is matched with the cam end to generate cam transmission), the centrifugal end of the locking slide block 21 slidably penetrates through the inner ring 14, and the shell 1 is provided with a plurality of vertical guide grooves 23 which are circumferentially arranged outside the inner ring 14 and are matched with the centrifugal end of the locking slide block 21; when the elastic telescopic rod 11 rotates to enable the wedge-shaped tip of the wedge-shaped clamping block 12 to be horizontal, the locking sliding block 21 generates centrifugal sliding under the axial transmission action (or cam transmission action) generated by the deviation of the contact surface of the beveled end, so that the centrifugal end of the locking sliding block 21 extends out of the inner ring 14 to enter the corresponding vertical guide groove 23, and the inner ring 14 can only slide up and down but cannot rotate; when the elastic telescopic rod 11 rotates to make the wedge-shaped tip of the wedge-shaped fixture block 12 vertical, the locking slide block 21 generates centripetal sliding under the axial transmission action (or cam transmission action) generated by the deviation of the contact surface of the beveled end, so that the centrifugal end of the locking slide block 21 is far away from the corresponding vertical guide groove 23 and retracts into the inner ring 14, and the inner ring can rotate or vertically slide.
The spring pressing sheet 19, the eccentric wheel 20, the locking sliding block 21 and the vertical guide groove 23 generate a linkage effect when the elastic telescopic rod 11 rotates, so that when the wedge-shaped tip of the wedge-shaped fixture block 12 is horizontal, the planet wheel 15 can rotate and the inner ring 14 stops rotating, and the sleeve 13 cannot rotate due to the stopping rotation of the inner ring 14, therefore, the inner ring gear 16 drives the planet wheel 15 to rotate, so that the planet shaft 17 drives the elastic telescopic rod 11 and the inner ring 14 to vertically move, and the opening of a gland is realized; when the wedge-shaped tip of the wedge-shaped fixture block 12 is vertical, the planet wheel 15 is extruded by the elastic pressing sheet 19 to stop rotating, and the inner ring 14 and the sleeve 13 are not limited, so that the inner ring gear 16 drives the planet wheel 15 to synchronously revolve, and the sleeve 13 and the inner ring 14 synchronously rotate along with the revolution, thereby realizing the opening of the screw cap.
Furthermore, a bevel gear 24 which is coaxially and rotatably connected with the inner ring 14 is arranged on the inner ring 14, a planetary bevel gear 25 is coaxially connected with one end of the elastic telescopic rod 11, and the planetary bevel gear 25 is meshed with the bevel gear 24; the inner ring 14 is provided with a worm wheel 26 coaxially connected with the bevel gear 24, a worm 27 meshed with the worm wheel 26 and a rotary handle 28 coaxially connected with the worm 27, the worm wheel and worm mechanism is controlled to rotate through the rotary handle 28, and then the planetary bevel gear mechanism drives the elastic telescopic rods 11 to synchronously rotate, so that the selection of the pipe opening function can be realized more conveniently.
Further, the lower end surface of the elastic pressing piece 19 is provided with a non-slip pad 36, so that the frictional resistance between the elastic pressing piece 19 and the planet wheel 15 is increased, and the stability of the use effect is ensured.
Further, the driving device 18 is a motor, and the motor is in transmission connection with the ring gear 16 through a gear pair 29.
Furthermore, the inner ring 14 is provided with an annular wheel 30 which is arranged on the inner side of the inner ring 14 and is coaxial with the inner ring 14, the upper part of the annular wheel 30 is provided with an outer edge boss 31, the inner ring 14 is provided with a vertical limiting sliding groove 32 matched with the outer edge boss 31, the outer edge boss 31 is arranged in the limiting sliding groove 32, a conical spring 33 arranged below the outer edge boss 31 is arranged in the limiting sliding groove 32, two ends of the conical spring 33 are respectively connected with the inner ring 14 and the annular wheel 30, and the annular wheel 30 slides upwards under the elastic force of the conical spring 33 to enable the outer edge boss 31 to be in compression contact with the upper end face of the limiting sliding groove 32; the lower end face of the annular wheel 33 is provided with a volute cam groove 34 which is wound along the axis of the annular wheel 33, the other end of the elastic telescopic rod 11 is provided with two cam push rods 35 which are arranged below the volute cam groove 34 and matched with the volute cam groove 34, the axial directions of the two cam push rods 35 are respectively parallel to and perpendicular to the wedge-shaped tips of the wedge-shaped fixture blocks 12, and when the wedge-shaped tips of the wedge-shaped fixture blocks 12 are horizontal and vertical, one cam push rod 35 respectively faces upwards; when the annular wheel 30 is pressed downwards, the cam push rod 35 which is positioned vertically upwards enters the volute cam groove 34, the conical spring 33 generates compression deformation and stores force axially, then the annular wheel 30 is rotated to realize synchronous extension and retraction of the elastic telescopic rods 11 so as to be convenient for putting in and taking out a centrifugal tube, and the conical spring 33 generates torsion deformation and stores force along the circumferential direction; when the centrifugal tube is put in or taken out, the annular wheel 30 is loosened, the annular wheel 30 rapidly slides upwards and returns to reset under the elastic force action of the conical spring 33 so as to carry out the next operation, and meanwhile, the elastic telescopic rods 11 rapidly pop out to drive the wedge-shaped fixture block 12 to be embedded into the tube opening of the centrifugal tube so as to carry out the further tube opening operation.
When the centrifugal tube is taken out, the centrifugal tube blocks the elastic telescopic rod 11, the situation that the cam push rod 35 cannot be matched with the vortex cam groove 34 in real time when the annular wheel 30 is pressed down may occur, at this time, only the pressing-down posture needs to be kept, and the annular wheel 30 rotates slowly, after the vortex cam groove 34 corresponds to the cam push rod 35 along with the rotation of the annular wheel 30, the annular wheel 30 moves down again under the pressing force, so that the cam push rod 35 can be successfully matched with the vortex cam groove 34, and the use cannot be influenced.
Further, the grip block 3 be close to the terminal surface at holding chamber 2 center (the one side at the expansion end 6 orientation holding chamber 2 center promptly) for the arcwall face to there is the centrifuging tube laminating better, produce better clamping effect.
Further, the one end (being the expansion end 6) that the grip block 3 is close to the holding chamber 2 center have soft friction disc 37 that materials such as silica gel, medical rubber made to improve the centre gripping effect, prevent that the centrifuging tube from skidding.
Preferably, the upper end surface of the annular wheel 30 is provided with anti-slip threads so as to effectively control the annular wheel 30 and prevent the surface thereof from slipping.
The invention not only can realize the tube opening operation of centrifuge tubes with different sealing modes according to requirements, but also can automatically match and clamp centrifuge tubes with different sizes by adjusting the telescopic lengths of the elastic telescopic rod and the corrugated tube, thereby having wide applicability and strong practicability.
In the actual operation process of the invention, the matching of different sealing covers can be realized only by rotating the rotary handle to switch the angle of the tip end of the wedge-shaped clamping block, and then the driving device is opened to realize quick tube opening, so that the operation is convenient and efficient, manual force application is not needed, the hand pain of medical staff is avoided, and the unnecessary trouble of the medical staff is reduced.
Claims (6)
1. The utility model provides a medical science inspection tube opening device convenient to use, includes casing (1) of the vertical setting of axis, has opening holding chamber (2) up on casing (1), has a plurality of grip blocks (3) of distributing along the axis circumference of casing (1) on casing (1), its characterized in that, grip block (3) be stiff end (4), bellows (5) and expansion end (6) connect gradually the closed cavity structure of constituteing, stiff end (4) are connected with casing (1), expansion end (6) are arranged in holding chamber (2); the shell (1) is provided with an air storage chamber (7) arranged at the periphery of the accommodating cavity (2), the air storage chamber (7) is communicated with the cavities of the clamping blocks (3) through air holes (8), and the shell (1) is provided with an air charging and discharging device (9) communicated with the air storage chamber (7); the clamping device is characterized in that a rotating ring (10) which is arranged above the clamping block (3) and is coaxial with the shell (1) is arranged on the shell (1), the rotating ring (10) is movably connected with the shell (1), a plurality of elastic telescopic rods (11) which are distributed along the circumference of the axis of the rotating ring (10) are arranged on the rotating ring (10), the axis of each elastic telescopic rod (11) is arranged in the radial direction relative to the axis of the shell (1), one end of each elastic telescopic rod (11) is rotatably connected with the rotating ring (10) along the axis of each elastic telescopic rod (11), and the other end of each elastic telescopic rod (11) is arranged on the inner side of the rotating ring (10); the other end of the elastic telescopic rod (11) is provided with a wedge-shaped fixture block (12);
the rotating ring (10) is formed by axially sliding a sleeve (13) and an inner ring (14), the sleeve (13) is arranged above the clamping block (3) and is coaxially and rotatably connected with the shell (1), and the inner ring (14) is arranged on the inner side of the sleeve (13); one end of the elastic telescopic rod (11) is rotationally connected with the sleeve (13) along the axis of the elastic telescopic rod (11), and the other end of the elastic telescopic rod (11) radially penetrates through the inner ring (14) in a sliding manner and is arranged on the inner side of the inner ring (14);
the sleeve (13) is provided with a plurality of planet wheels (15) which are arranged outside the inner ring (14) and distributed along the circumference of the axis of the sleeve (13), and the planet wheels (15) are in one-to-one up-and-down correspondence with the telescopic rods (11); the axis of the planet gear (15) is vertically arranged and is rotationally connected with the sleeve (13), an inner gear ring (16) which is matched and meshed with the planet gears (15) is arranged on the shell (1), and the inner gear ring (16) is rotationally connected with the shell (1) along the axis of the inner gear ring (16); the sleeve (13) is provided with a plurality of planet shafts (17) which are coaxially arranged with the planet wheels (15) one by one, the planet shafts (17) are in threaded transmission connection with the planet wheels (15), the lower ends of the planet shafts (17) are in vertical sliding connection with the sleeve (13), the upper ends of the planet shafts (17) are in rotating connection with one end of the elastic telescopic rod (11) along the axis of the elastic telescopic rod (11), and the other end of the elastic telescopic rod (11) radially penetrates through the inner ring (14) in a sliding manner and is arranged on the inner side of the inner ring (14); the shell (1) is provided with a driving device (18) in transmission connection with the inner gear ring (16);
elastic pressing sheets (19) which are in one-to-one correspondence with the plurality of planet wheels (15) are arranged on the inner ring (14), the elastic pressing sheets (19) are arranged between the corresponding planet wheels (15) and the elastic telescopic rods (11), and eccentric wheels (20) which are in one-to-one correspondence with the plurality of elastic pressing sheets (19) are arranged at one end of each elastic telescopic rod (11); one end of the elastic telescopic rod (11) is a beveled end, a locking slide block (21) which coaxially corresponds to one end of the elastic telescopic rod (11) is arranged on the inner ring (14), the locking slide block (21) is connected with the inner ring (14) through a spring (22), under the action of the elastic force of the spring (22), the locking slide block (21) centripetally slides and is in extrusion contact with the beveled end of the elastic telescopic rod (11), the centripetally end of the locking slide block (21) is flush with the beveled end of the elastic telescopic rod (11), the centrifugal end of the locking slide block (21) slidably penetrates through the inner ring (14), and a vertical guide groove (23) which is arranged outside the inner ring (14) and is matched with the centrifugal end of the locking slide block (21) is arranged on the shell (1);
the inner ring (14) is provided with an annular wheel (30) which is arranged on the inner side of the inner ring (14) and is coaxial with the inner ring (14), the upper part of the annular wheel (30) is provided with an outer edge boss (31), the inner ring (14) is provided with a limiting sliding chute (32) matched with the outer edge boss (31), the outer edge boss (31) is arranged in the limiting sliding chute (32), a conical spring (33) which is arranged below the outer edge boss (31) is arranged in the limiting sliding chute (32), two ends of the conical spring (33) are respectively connected with the inner ring (14) and the annular wheel (30), and the annular wheel (30) slides upwards under the elastic force of the conical spring (33) to enable the outer edge boss (31) to be in extruding contact with the upper end face of the limiting sliding chute (32); the lower terminal surface of cyclic annular wheel (30) have vortex cam groove (34), the other end of elasticity telescopic link (11) has two cam push rod (35) of arranging vortex cam groove (34) below in and matching with vortex cam groove (34), the axial of two cam push rod (35) is parallel and perpendicular to respectively the wedge tip of wedge fixture block (12), when making the wedge tip level and the vertical of wedge fixture block (12), has one respectively cam push rod (35) are vertical upwards.
2. The medical examination pipe opener convenient to use according to claim 1, characterized in that the inner ring (14) is provided with a bevel gear (24) which is coaxially and rotatably connected with the inner ring (14), one end of the elastic telescopic rod (11) is coaxially connected with a planetary bevel gear (25), and the planetary bevel gear (25) is meshed with the bevel gear (24); the inner ring (14) is provided with a worm wheel (26) coaxially connected with the bevel gear (24), a worm (27) meshed with the worm wheel (26) and a rotary handle (28) coaxially connected with the worm (27).
3. A medical examination tube opener convenient to use as claimed in claim 1, characterized in that the lower end surface of the elastic pressing piece (19) is provided with a non-slip pad (36).
4. A medical examination tube opener as claimed in any one of claims 1 to 3, characterized in that the drive device (18) is an electric motor which is in driving connection with the inner gear ring (16) via a gear pair (29).
5. The medical examination tube opening device convenient to use according to claim 1, characterized in that the end surface of the clamping block (3) close to the center of the accommodating cavity (2) is an arc-shaped surface.
6. A medical examination tube opener as claimed in claim 1, which is convenient to use, characterized in that the clamping block (3) has a friction plate (37) at its end near the center of the receiving chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663108.4A CN112047277B (en) | 2020-07-10 | 2020-07-10 | Medical science inspection tube opening device convenient to use |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663108.4A CN112047277B (en) | 2020-07-10 | 2020-07-10 | Medical science inspection tube opening device convenient to use |
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| CN112047277A CN112047277A (en) | 2020-12-08 |
| CN112047277B true CN112047277B (en) | 2022-02-15 |
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| CN112830434B (en) * | 2021-02-07 | 2023-01-03 | 宿迁市天坤包装有限公司 | Bottle cap opening and closing auxiliary device |
| CN117629159B (en) * | 2024-01-25 | 2024-04-05 | 国家海洋环境监测中心 | Automatic measuring device for intertidal zone beach hydrology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7437972B2 (en) * | 2004-05-20 | 2008-10-21 | The United States Of America As Represented By The Secretary Of The Army | Apparatus for fastening and loosening a lid from a container |
| JP4210306B2 (en) * | 2007-01-15 | 2009-01-14 | 株式会社アイディエス | Test tube automatic opening device |
| CN207175417U (en) * | 2017-07-18 | 2018-04-03 | 王书剑 | A kind of portable opener for jar of scalable claw |
| CN110092335A (en) * | 2018-01-27 | 2019-08-06 | 昆山市玉山镇仕龙设计工作室 | A kind of mineral water bottle opener specialized |
| CN210103419U (en) * | 2019-04-19 | 2020-02-21 | 李亚峰 | EP pipe cap opener |
| CN110668377A (en) * | 2019-10-28 | 2020-01-10 | 河海大学常州校区 | Multifunctional bottle opener |
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