CN109568711A - The self-locking device of perfusion tube - Google Patents
The self-locking device of perfusion tube Download PDFInfo
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- CN109568711A CN109568711A CN201811296344.6A CN201811296344A CN109568711A CN 109568711 A CN109568711 A CN 109568711A CN 201811296344 A CN201811296344 A CN 201811296344A CN 109568711 A CN109568711 A CN 109568711A
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- movable member
- fixing seat
- guide
- limit
- conduit
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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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of self-locking devices of perfusion tube, including fixed cell and medicine box unit, medicine box unit is removably connect with fixed cell, fixed cell includes fixing seat, position-limit mechanism and resetting-mechanism, position-limit mechanism and resetting-mechanism are separately mounted in fixing seat, and resetting-mechanism to form limit channels between position-limit mechanism and fixing seat；Medicine box unit includes shell and the medical liquid container with conduit, mounting groove and holding tank are formed in shell, medical liquid container is removably mounted in holding tank, mounting groove and the external of shell penetrate through, conduit extends to the outside of shell through mounting groove, guide frame is formed on the inner wall of mounting groove, when guide frame and position-limit mechanism cooperate, limit channels can be opened, so that conduit is able to enter or leaves limit channels.The structure is simple, and it is convenient to dismount, and the fixed stability of conduit and intensity are high, and manufacture difficulty is low, is controlled by precision of the infusion pump to infusion, reduces the influence factor of infusion accuracy.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of self-locking devices of perfusion tube.
Background technique
Currently, full-automatic injecting Teat pipette is mainly used in the places such as postoperative, chemotherapy of tumors, painless delivery, drug is taken the photograph
Enter amount require it is relatively high, therefore, the infusion accuracy and stability of killer injecting pump be determine product quality a key factor.
Common killer injecting pump is made of driving device and infusion device two parts, and perfusion tube leads among two devices
Lock in over-driving device locks infusion device, to compress perfusion tube, the impaction state of lock and clamps perfusion tube
Two facial plane degree be determine infusion accuracy height key factor, therefore, lock and infusion device seal face structure and plus
The requirement of work method is relatively high, but existing production and processing technology is difficult can satisfy, therefore, the accuracy of killer injecting pump infusion accuracy
It will be difficult to control.
Summary of the invention
The purpose of the present invention is to solve at least one above-mentioned problem, which is by the following technical programs
It realizes.
The present invention provides a kind of self-locking device of perfusion tube, including fixed cell and medicine box unit, the medicine box units
It is removably connect with the fixed cell, the fixed cell includes fixing seat, position-limit mechanism and resetting-mechanism, institute
It states position-limit mechanism and the resetting-mechanism is separately mounted in the fixing seat, the resetting-mechanism can act on the limit
Mechanism, so that forming limit channels between the position-limit mechanism and the fixing seat；
The medicine box unit includes shell and with the conduit that can be connected to medical liquid container, is formed with peace in the shell
Tankage and holding tank, the medical liquid container can be removably mounted in the holding tank, the mounting groove and institute
State the external perforation of shell, the conduit extends to the outside of the shell through the mounting groove, on the inner wall of the mounting groove
It is formed with guide frame, when the guide frame and the position-limit mechanism cooperate, the limit channels can be opened, so as to described
Conduit is able to enter or leaves the limit channels.
Preferably, the position-limit mechanism include the first movable member, first movable member pivotally with it is described
Fixing seat connection, the resetting-mechanism include elastic component and fixed block, and the fixed block and the fixing seat are with dismountable side
Formula connection, one end of the elastic component and the fixed block cooperate, and the other end of the elastic component is matched with first movable member
It closes, the elastic force of the elastic component can act on first movable member, so that first movable member and the fixing seat
Between form the limit channels.
Preferably, the elastic component is torsional spring, offers the first card slot on the fixed block, opens on first movable member
Equipped with the second card slot, one end of the torsional spring is resisted against in first card slot, and the other end of the torsional spring is resisted against described
In two draw-in groove.
Preferably, the resetting-mechanism further includes support rod, and the both ends of the support rod are connect with the fixed block respectively,
The torsion spring set is mounted in the outside of the support rod.
Preferably, third card slot is offered on first movable member, block, the torsional spring is provided in the fixing seat
The slot bottom of the third card slot can be made to be resisted against the outer surface of the block, the block, the fixing seat and described first
Movable member surrounds the limit channels.
Preferably, it is provided with guide rod on first movable member, the guide frame includes guide groove, and the guide rod can edge
The guide groove movement, when the guide rod is moved along the guide groove, can be such that first movable member rotates, so as to the limit
Bit port can be opened.
Preferably, through-hole is offered on the inner wall of the mounting groove, the conduit is pierced by through the through-hole, and described is led
The length direction of pipe is consistent with the length direction of the mounting groove, and the guide groove is arranged close to the through-hole, the guide groove
For arcuate structure, direction protrusion of the arcuate structure to the separate conduit.
Preferably, the position-limit mechanism further includes the second movable member, and second movable member is linked up with for first, and described first
Hook is pivotally connect with the fixing seat by the first pin, and the resetting-mechanism further includes the first spring, institute
The one end for stating the first spring is connect with the fixing seat, and the other end of first spring and first hook connect；
First hook includes the first guide part and the first clamping portion, first clamping portion and first movable member
The cooperation of the first clamping joint, the guide frame includes the first guide pad, and first guide part matches with first guide pad
When conjunction, first clamping portion can be made to cooperate with first clamping joint and separated.
Preferably, the position-limit mechanism further includes third movable member, between the third movable member and second movable member
Every setting, the third movable member is the second hook, second hook by the second pin pivotally with connection
Block connection, the link block are connect with the fixing seat, and the resetting-mechanism further includes second spring, and the one of the second spring
End is connect with the fixing seat, and the other end of the second spring and second hook connect；
Second hook includes the second guide part and the second clamping portion, second clamping portion and first movable member
The cooperation of the second clamping joint, the guide frame further includes the second guide pad, second guide part and second guide pad
When cooperation, second clamping portion can be made to separate with second clamping joint.
Preferably, the open end of the holding tank is provided with cover board in a manner of it can open up.
The self-locking device of perfusion tube provided by the invention, including fixed cell and medicine box unit, medicine box unit is with detachable
Mode connect with fixed cell, fixed cell includes fixing seat, position-limit mechanism and resetting-mechanism, position-limit mechanism and resetting-mechanism
It is separately mounted in fixing seat, resetting-mechanism can act on the position-limit mechanism, so that shape between position-limit mechanism and fixing seat
At limit channels；Medicine box unit includes shell and with the conduit that can be connected to medical liquid container, is formed with mounting groove in shell
And holding tank, medical liquid container can be removably mounted in holding tank, mounting groove and the external of shell penetrate through, conduit
The outside of shell is extended to through mounting groove, guide frame is formed on the inner wall of mounting groove, and guide frame and position-limit mechanism cooperate
When, limit channels can be opened, so that conduit is able to enter or leaves limit channels.Specifically, fixing seat has installation end, limit
Position mechanism and resetting-mechanism are installed on installation end, and position-limit mechanism can fix seat movement relatively, and resetting-mechanism can will limit
The position of mechanism is kept, when resetting-mechanism in the raw under, limit channels are formed between position-limit mechanism and fixing seat,
The limit channels are for the limit to conduit, so that conduit is fixed, setting receiving independent of each other in the shell of medicine box unit
Slot and mounting groove, medical liquid container are mounted in holding tank, and the side wall that the conduit being connected to medical liquid container passes through holding tank enters peace
Tankage, and pass through the outside that mounting groove extends to medicine box unit, mounting groove is hatch frame, and guide frame is arranged in mounting groove
Side wall on.
When fixed cell and medicine box unit assemble, fixing seat is inserted into mounting groove, during insertion, guide frame with
Position-limit mechanism cooperation, guide frame move the relatively fixed seat of position-limit mechanism, and limit channels are opened at this time, at resetting-mechanism
In confined state, with continuing for insert action, position-limit mechanism is in maximum open position, is now placed in leading in mounting groove
Pipe enters in limit channels (in the open state), and with the continuation of insert action, guide frame is gradually released to position-limit mechanism
Driving, resetting-mechanism is gradually recovered deformation, and position-limit mechanism is resetted under the driving of resetting-mechanism, realizes limit channels
It progressively closes off, when fixed cell is installed in place with medicine box unit, position-limit mechanism completely closes under the action of resetting-mechanism, leads
Pipe is fixed in limit channels；When fixed cell is separated with medicine box unit, outer power drive kit of parts, guide frame is again
Cooperate with position-limit mechanism so that position-limit mechanism moves, resetting-mechanism is compressed, to realize the unlatching of limit channels, conduit with
Limit channels separation, when guide frame releases the cooperation with position-limit mechanism, resetting-mechanism driving position-limit mechanism is resetted, and is realized
The closing of limit channels.
Above structure is simple, and it is convenient to dismount, and is capable of the reduction of manufacturing cost and the raising of working efficiency, meanwhile, pass through limit
Bit port realizes the fixation to conduit, and with good stability and intensity can be effectively reduced the manufacture difficulty of fixed device,
It is only controlled by precision of the infusion pump to infusion in addition, can be realized using the fixation device, to reduce infusion accuracy
Influence factor so that infusion precision effectively improve.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the self-locking device of perfusion tube provided by the present invention；
Fig. 2 is the structural schematic diagram of fixed cell shown in Fig. 1；
Fig. 3 is the structural exploded view of fixed cell shown in Fig. 2；
Fig. 4 is the structural schematic diagram of fixing seat shown in Fig. 3；
Fig. 5 is the structural schematic diagram of the first movable member shown in Fig. 3；
Fig. 6 is the structural schematic diagram of the second movable member shown in Fig. 3；
Fig. 7 is the structural schematic diagram of third movable member shown in Fig. 3；
Fig. 8 is the structural schematic diagram of resetting-mechanism shown in Fig. 3 (the first spring and second spring are not shown)；
Fig. 9 is the structural schematic diagram of medicine box unit shown in Fig. 1；
Figure 10 is the structural exploded view of medicine box unit shown in Fig. 9.
Appended drawing reference
100 be medicine box unit, and 110 be shell, and 111 be holding tank, and 112 be mounting groove, and 1121 be guide groove, and 1122 be the
One guide pad, 1123 be the second guide pad, and 1124 be through-hole, and 120 be cover board, and 130 be conduit, and 140 be medical liquid container；
200 be fixed cell, and 210 be fixing seat, and 211 be block, and 212 be fixing groove, and 220 be position-limit mechanism, and 221 be
Two movable members, 2211 be the first clamping portion, 2212 be the first guide part, 222 be the first movable member, 2221 be the first arm, 2222
It is receiving block for the second arm, 2223,2224 be guide rod, and 2225 be third card slot, and 2226 be the first clamping joint, and 2227 be the second card
Connector, 2228 be the second card slot, and 223 be third movable member, and 2231 be the second clamping portion, and 2232 be the second guide part, and 224 be the
One pin, 225 be the second pin, and 230 be resetting-mechanism, and 231 be fixed block, and 2311 be U-shaped frame, and 2312 be the first card slot, 232
It is the first spring for elastic component, 233,234 be second spring, and 235 be support rod；
300 be limit channels.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Fig. 1 and Figure 10 are please referred to, Fig. 1 is the structural schematic diagram of the self-locking device of perfusion tube provided by the present invention；Fig. 2 is
The structural schematic diagram of fixed cell shown in Fig. 1；Fig. 3 is the structural exploded view of fixed cell shown in Fig. 2；Fig. 4 is Fig. 3
Shown in fixing seat structural schematic diagram；Fig. 5 is the structural schematic diagram of the first movable member shown in Fig. 3；Fig. 6 is in Fig. 3
Shown in the second movable member structural schematic diagram；Fig. 7 is the structural schematic diagram of third movable member shown in Fig. 3；Fig. 8 is Fig. 3
Shown in resetting-mechanism structural schematic diagram (the first spring and second spring are not shown)；Fig. 9 is medicine box list shown in Fig. 1
The structural schematic diagram of member；Figure 10 is the structural exploded view of medicine box unit shown in Fig. 9.
In a specific embodiment, a kind of self-locking device of perfusion tube provided by the present invention, including fixed cell
200 and medicine box unit 100, medicine box unit 100 removably connect with fixed cell 200, fixed cell 200 includes solid
Reservation 210, position-limit mechanism 220 and resetting-mechanism 230, position-limit mechanism 220 and resetting-mechanism 230 are separately mounted to fixing seat 210
On, resetting-mechanism 230 can act on position-limit mechanism 220, so that it is logical to form limit between position-limit mechanism 220 and fixing seat 210
Road；Including shell 110 and with the conduit 130 that can be connected to medical liquid container 140, shell 110 is interior to be formed medicine box unit 100
There are mounting groove 112 and holding tank 111, medical liquid container 140 can be removably mounted in holding tank 111, mounting groove
112 penetrate through with the external of shell 110, and conduit 130 extends to the outside of shell 110, the inner wall of mounting groove 112 through mounting groove 112
On be formed with guide frame, when guide frame and position-limit mechanism 220 cooperate, limit channels can be opened, so that conduit 130 can
Into or leave limit channels.Specifically, fixing seat 210 has installation end, and position-limit mechanism 220 and resetting-mechanism 230 are respectively mounted
On installation end, position-limit mechanism 220 can fix the movement of seat 210 relatively, and resetting-mechanism 230 can be by the position of position-limit mechanism 220
Kept, when resetting-mechanism 230 in the raw under, form limit channels between position-limit mechanism 220 and fixing seat 210,
The limit channels are for the limit to conduit 130, so that conduit 130 is fixed, that are arranged in the shell 110 of medicine box unit 100
This independent holding tank 111 and mounting groove 112, medical liquid container 140 are mounted in holding tank 111, are connected to medical liquid container 140
The side wall that conduit 130 passes through holding tank 111 enters mounting groove 112, and extends to medicine box unit 100 by mounting groove 112
Outside, mounting groove 112 are hatch frame, and guide frame is arranged on the side wall of mounting groove 112.
When fixed cell 200 and medicine box unit 100 assemble, fixing seat 210 is inserted into mounting groove 112, in the process of insertion
In, guide frame and position-limit mechanism 220 cooperate, and guide frame moves the relatively fixed seat 210 of position-limit mechanism 220, at this time
Limit channels are opened, and resetting-mechanism 230 is in confined state, and with continuing for insert action, position-limit mechanism 220 is in maximum
Open position is now placed in the conduit 130 in mounting groove 112 and enters in limit channels (in the open state), as insertion is dynamic
The continuation of work, guide frame gradually release the driving to position-limit mechanism 220, and resetting-mechanism 230 is gradually recovered deformation, position-limit mechanism
220 are resetted under the driving of resetting-mechanism 230, realize progressively closing off for limit channels, when fixed cell 200 and medicine box list
When member 100 is installed in place, position-limit mechanism 220 completely closes under the action of resetting-mechanism 230, and conduit 130 is fixed on limit
In channel；When fixed cell 200 is separated with medicine box unit 100, outer power drive kit of parts, guide frame again with position restrainer
Structure 220 cooperates, so that position-limit mechanism 220 moves, resetting-mechanism 230 is compressed, to realize the unlatching of limit channels, conduit
130 separate with limit channels, and when guide frame releases the cooperation with position-limit mechanism 220, resetting-mechanism 230 drives position-limit mechanism
220 are resetted, and realize the closing of limit channels.
Above structure is simple, and it is convenient to dismount, and is capable of the reduction of manufacturing cost and the raising of working efficiency, meanwhile, pass through limit
Bit port realizes the fixation to conduit 130, and with good stability and intensity can be effectively reduced the manufacture hardly possible of fixed device
Degree, is only controlled by precision of the infusion pump to infusion in addition, can be realized using the fixation device, to reduce infusion essence
The influence factor of degree, so that the precision of infusion effectively improves.
It is to be appreciated that fixed cell 200 and medicine box unit 100 be in assembling, fixing seat 210,230 and of resetting-mechanism
Position-limit mechanism 220 is completely into mounting groove 112, and limit channels that fixing seat 210 and position-limit mechanism 220 are formed are towards mounting groove
112 bottom end face, and the length direction of limit channels is consistent with the length direction of conduit 130, with this configuration, Neng Gouyou
Effect realizes that conduit 130 is quickly and effectively fixed, and solid failure is avoided to influence when fixed cell 200 and medicine box unit 100 assemble
The case where infusion accuracy, occurs.
It should be pointed out that mounting structure compatible with mounting groove 112 after being formed in above-mentioned fixing seat 210, works as medicine box
When unit 100 is connect with fixed cell 200, mounting groove 112 and mounting structure cooperate, thus effectively realize medicine box unit 100 with
The fixation of fixed cell 200.Meanwhile medical liquid container 140 is removably connect with conduit 130, this kind of connection type is excellent
The scheme of choosing is grafting, and medical liquid container 140 is preferably medicine bag.
It is further understood that, position-limit mechanism 220 includes the first movable member 222, and the first movable member 222 is with rotatable side
Formula is connect with fixing seat 210, and resetting-mechanism 230 includes elastic component 232 and fixed block 231, fixed block 231 and fixing seat 210 with
Dismountable mode connects, and one end of elastic component 232 and fixed block 231 cooperate, the other end of elastic component 232 and the first movable member
222 cooperations, the elastic force of elastic component 232 can act on the first movable member 222, so that the first movable member 222 and fixing seat 210
Between form limit channels.Specifically, the first movable member 222 includes receiving block 2223, the first arm 2221 and the second arm 2222, the
One arm 2221 and the second arm 2222 are respectively and fixedly connected to the both ends of receiving block 2223, and the first arm 2221 is parallel with the second arm 2222 to be set
It sets, the shape and size of the first arm 2221 and the second arm 2222 are completely the same, first one end of arm 2221 far from receiving block 2223
It is pivotally connect with fixing seat 210, the one end of the second arm 2222 far from receiving block 2223 is with fixing seat 210 can turn
Dynamic mode connects, and fixed block 231 is removably connect with fixing seat 210, one end of elastic component 232 and fixed block
231 cooperations, the other end and receiving block 2223 of elastic component 232 cooperate, when elastic deformation does not occur for elastic component 232, elastic component 232
So that receiving block 2223 and the relative position of fixing seat 210 are fixed, the sky formed between receiving block 2223 and fixing seat 210 at this time
Between be limit channels.Above structure makes full use of the geometry face conduct formed between position-limit mechanism 220 and fixing seat 210
Limit channels, realize the fixation to conduit 130, fixing intensity height, the good stability of this kind of structure can be avoided fixed device pair
The influence of infusion accuracy, meanwhile, it is capable to the difficulty of manufacture be effectively reduced, so that the cost of manufacture reduces.
It should be pointed out that receiving block 2223 has the rod-like element of certain length, when conduit 130 is fixed, energy
Enough contacts area effectively increased with conduit 130, so that fixed stabilized soil pavement further enhances.
Further, elastic component 232 is torsional spring, offers the first card slot 2312, the first movable member 222 on fixed block 231
On offer the second card slot 2228, one end of torsional spring is resisted against in the first card slot 2312, and the other end of torsional spring is resisted against the second card
In slot 2228.By on the one hand can be effectively reduced the cost of manufacture using torsional spring as elastic component 232, on the other hand due to
The movement of one movable member 222 be rotation, guarantee the first movable member 222 can active homing on the basis of, by using torsional spring
It can be effectively reduced the volume of device.
It is to be appreciated that the length of the length direction of above-mentioned torsional spring, the length direction of the first movable member 222 and conduit 130
It is consistent to spend direction, enables to torsional spring under nature (elastically-deformable state does not occur) with this configuration, guarantees first
The stability of 222 position of movable member to guarantee limit channels stability, and then guarantees the fixing intensity and stabilization of conduit 130
Property.
Further, resetting-mechanism 230 further includes support rod 235, and the both ends of support rod 235 connect with fixed block 231 respectively
It connects, torsion spring set is mounted in the outside of support rod 235.Be formed with U-shaped frame 2311 on fixed block 231, one end of support rod 235 with it is U-shaped
One arm of frame 2311 connects, and the other end of support rod 235 is connect with another arm of U-shaped frame 2311, and torsion spring set is mounted in support
The outside of bar 235 can be improved the intensity of torsional spring by the way that support rod 235 is arranged, and avoid torsional spring for a long time using biasing, from
And guarantee the reset capability to the first movable member 222, guarantee the fixing intensity and stability of conduit 130, improves the safety used
Property and reliability.
It should be pointed out that fixing groove 212 is offered in fixing seat 210, the structure and fixed block of the fixing groove 212
231 are adapted, and during installation, fixed block 231 is fixed by screws in fixing groove 212, enable to fix with this configuration
Apparatus structure is compact, small in size, easy to carry and use.
Further, third card slot 2225 is offered on the first movable member 222, block 211 is provided in fixing seat 210,
Torsional spring can make the slot bottom of third card slot 2225 be resisted against the outer surface of block 211, and block 211, fixing seat 210 and first are movable
Part 222 surrounds limit channels.Specifically, the longitudinal section of the first movable member 222 along its length is L-type structure, block 211 and solid
The structure (towards the structure of 222 side of the first movable member) formed between reservation 210 is adapted with L-type structure, and torsional spring is not being sent out
When raw deformation, limit channels are in close state, at this point, shape between 211 three of the first movable member 222, fixing seat 210 and block
At space be limit channels, the longitudinal cross-section of the limit channels is square, the diameter of the square and the diameter of conduit 130
Equal, when conduit 130 is fixed in limit channels, limit channels just form conduit 130 and limit, at this point, conduit 130 is not
Deformation occurs, with this configuration while guaranteeing 130 fixing intensity of conduit and stability, can effectively avoid fixed device pair
The influence of infusion accuracy, to improve the reliability of infusion.
It is to be appreciated that the quantity of above-mentioned block 211 be it is multiple, each block 211 is between the length direction of fixing seat 210
It is consistent with the quantity of block 211 every the quantity of setting, third card slot 2225, when conduit 130 is limited in limit channels,
Each block 211 cooperates with each third card slot 2225 respectively, fixes to realize to the multiposition of conduit 130, and then improves conduit
130 fixing intensity and stability.
Further, guide rod 2224 is provided on the first movable member 222, guide frame includes guide groove 1121, guide rod
2224 can move along guide groove 1121, when guide rod 2224 is moved along guide groove 1121, the first movable member 222 can be made to rotate, with
Just limit channels can be opened.Specifically, guide rod 2224 is fixed on the first movable member 222, when fixed cell 200 and medicine box list
When member 100 is assembled, conduit 130 is slided along guide groove 1121, by the way that the track of guide groove 1121 is arranged, so that guide rod 2224
First movable member 222 is moved according to fixed track when sliding in guide groove 1121, to realize the unlatching of limit channels
And closing, to realize the automatic fixation of the conduit 130 when fixed cell 200 and medicine box unit 100 assemble.The structure is simple,
Can be realized the quick fixed and fixed of conduit 130 to release, the operation during being easy to use, effectively increase use it is convenient
Property.
Further, through-hole 1124 is offered on the inner wall of mounting groove 112,130 via through holes 1124 of conduit are pierced by, and are led
The length direction of pipe 130 is consistent with the length direction of mounting groove 112, and guide groove 1121 is arranged close to through-hole 1124, guide groove
1121 be arcuate structure, and arcuate structure is raised to the direction far from conduit 130.Specifically, length of the conduit 130 along mounting groove 112
Direction setting is spent, and is pierced by by through-hole 1124 and is connected to devices such as infusion pumps, guide groove 1121 and through-hole 1124 are positioned at same
In one plane, at this point, one end of the first movable member 222 is arranged in guide rod 2224.
When fixed cell 200 and medicine box unit 100 are assembled, guide rod 2224 is moved along guide groove 1121, works as guide rod
During the arc bottom phase arc top movement of 2224 self- steering slot, 1121 side, the first movable member 222 rotation, limit channels are gradually opened
It opens, when guide rod reaches arc top, limit channels are opened into maximum position, when guide rod 2224 is another from arc top to guide groove 1121
When the arc bottom movement of side, the first movable member 222 revolution, limit channels are progressively closed off, when guide rod 2224 reaches guide groove 1121 separately
When the arc bottom of side, limit channels are closed；When fixed cell 200 is separated with medicine box unit 100, the fortune of guide rod 2224
It is opposite that dynamic rail mark with fixed cell 200 with medicine box unit 100 carries out track when assembled.Above structure is simple, is led by setting
It can be realized opening and closing automatically for limit channels to the track of slot 1121, fix and release fixation from realization conduit 130
It is automatic to carry out, the convenience of operation is improved, meanwhile, it ensure that fixed intensity and stability, to improve the essence of infusion
Degree.
Specifically understanding, position-limit mechanism 220 further includes the second movable member 221, and the second movable member 221 is the first hook,
First hook is pivotally connect with fixing seat 210 by the first pin 224, and resetting-mechanism 230 further includes the first bullet
One end of spring 233, the first spring 233 is connect with fixing seat 210, and the other end of the first spring 233 and the first hook connect；First
Hook includes the first guide part 2212 and the first clamping portion 2211, the first card of the first clamping portion 2211 and the first movable member 222
Connector 2226 cooperates, and guide frame includes the first guide pad 1122, when the first guide part 2212 and the first guide pad 1122 cooperate,
The first clamping portion 2211 can be made to separate with the first clamping joint 2226.Specifically, the first hook is rotatably arranged on fixing seat 210
Side, and the first hook is correspondingly arranged with the first movable member 222, the first guide pad 1122 is arranged on the side wall of mounting groove 112,
The side wall is parallel with the length direction of conduit 130.When limit channels are in close state, the first hook is in the first spring 233
Pass through under the driving of (deformation occurs for the first spring 233 at this time) the first clamping portion 2211 catch on the first movable member 222
The outside of one clamping joint 2226；When fixed cell 200 and medicine box unit 100 are assembled, the first guide part 2212 is along first
The exterior contour of guide pad 1122 is mobile, since the first guide pad 1122 is to the internal protrusion of mounting groove 112, the first guide part
2212 make the first hook rotate, and the first spring 233 is compressed, at this point, the first clamping portion 2211 and the first clamping joint
2226 separation, the first movable member 222 first realizes rotation in the cooperation of guide rod 2224 and guide groove 1121, to realize limit channels
Unlatching, when fixed cell 200 and when 100 fix in position of medicine box unit, the first guide pad 1122 is released to the first guide part
2212 guiding, the first spring 233 restore elastic deformation, so that the first hook revolution, the first clamping portion 2211 is again with first
Clamping joint 2226 cooperates.It can be realized further fixing to the first movable member 222 by the first hook of setting, so that leading
The fixing intensity and stability of pipe 130 are enhanced, and then guarantee the precision of infusion；When fixed cell 200 and medicine box unit 100
When being separated, above-mentioned movement is opposite.
It should be pointed out that open up the first receiving hole in fixing seat 210, first boss is set on the first hook, first
One end of spring 233 is resisted against in the first receiving hole, and the other end of the first spring 233 is sleeved in first boss, to realize
The installation of first spring 233.
Specifically, position-limit mechanism 220 further includes third movable member 223, between third movable member 223 and the second movable member 221
Every setting, third movable member 223 is the second hook, the second hook by the second pin 225 pivotally with link block
Connection, link block connect with fixing seat 210, and resetting-mechanism 230 further includes second spring 234, one end of second spring 234 with consolidate
Reservation 210 connects, and the other end of second spring 234 and the second hook connect；Second hook includes the second guide part 2232 and the
Second clamping joint 2227 of two clamping portions 2231, the second clamping portion 2231 and the first movable member 222 cooperates, and guide frame further includes
Second guide pad 1123 when second guide part 2232 and the second guide pad 1123 cooperate, can make the second clamping portion 2231 and the
The separation of two clamping joints 2227.More specifically, the second hook is rotatably arranged on the other side of fixing seat 210, the second hook and first
Hook is parallel, and the second hook is correspondingly arranged with the first movable member 222, and the side wall of mounting groove 112 is arranged in the second guide pad 1123
On, the side wall is parallel with the length direction of conduit 130, and the second guide pad 1123 and 1122 parallel interval of the first guide pad are arranged.
When limit channels are in close state, drive of second hook in second spring 234 (deformation occurs for second spring 234 at this time)
The dynamic lower outside that the second clamping joint 2227 on the first movable member 222 is caught on by the second clamping portion 2231；When fixed cell 200
When being assembled with medicine box unit 100, the second guide part 2232 is moved along the exterior contour of the second guide pad 1123, due to second
For guide pad 1123 to the internal protrusion of mounting groove 112, the second guide part 2232 makes the second hook rotate, second spring
234 are compressed, at this point, the second clamping portion 2231 is separated with the second clamping joint 2227, the second movable member 221 guide rod 2224 with lead
Rotation is first realized in cooperation to slot 1121, so that the unlatching of limit channels is realized, when fixed cell 200 and medicine box unit 100 are solid
When determining in place, the second guide pad 1123 releases the guiding to the second guide part 2232, and second spring 234 is restored elastic deformation, made
The second hook revolution is obtained, the second clamping portion 2231 cooperates with the second clamping joint 2227 again.It can be real by the second hook of setting
Now further fixing to the first movable member 222, so that the fixing intensity and stability of conduit 130 are enhanced, in turn
Guarantee the precision of infusion；When fixed cell 200 is separated with medicine box unit 100, above-mentioned movement is opposite.
It is to be appreciated that above-mentioned second movable member 221 is with third movable member 223 complete one in terms of structure and size
It causes, while the structure and size of the first spring 233 and second spring 234 are also completely the same.
It should be pointed out that open up the second receiving hole in fixing seat 210, second boss is set on the second hook, second
One end of spring 234 is resisted against in the second receiving hole, and the other end of second spring 234 is sleeved in second boss, to realize
The installation of second spring 234.
Specifically, the open end of holding tank 111 is provided with cover board 120 in a manner of it can open up.By the way that 120 energy of cover board is arranged
Enough realize the inside and outside isolation of holding tank 111, thus guarantee internal medical liquid container 140 using safe, and then guarantee patient fluid infusion
Safety.
It should be understood that although multiple element, portion can be described using term first, second, third, etc. in the text
Part, region, layer and/or section still these component, assembly units, region, layer and/or are limited by these terms than Duan Buying.
These terms can only be used to distinguish a component, assembly unit, region, layer or section with another region, layer or section.Unless
Context is it is manifestly intended that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text
Sequence or order is not implied that.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention answers the protection model with claim
Subject to enclosing.
Claims (10)
1. a kind of self-locking device of perfusion tube, including fixed cell and medicine box unit, the medicine box unit is removably
It is connect with the fixed cell, which is characterized in that the fixed cell includes fixing seat, position-limit mechanism and resetting-mechanism, described
Position-limit mechanism and the resetting-mechanism are separately mounted in the fixing seat, and the resetting-mechanism can act on the position restrainer
Structure, so that forming limit channels between the position-limit mechanism and the fixing seat；
The medicine box unit includes shell and with the conduit that can be connected to medical liquid container, is formed with mounting groove in the shell
And holding tank, the medical liquid container can be removably mounted in the holding tank, the mounting groove and described outer
The external perforation of shell, the conduit extend to the outside of the shell through the mounting groove, are formed on the inner wall of the mounting groove
There is guide frame, when the guide frame and the position-limit mechanism cooperate, the limit channels can be opened, so as to the conduit
It is able to enter or leaves the limit channels.
2. the self-locking device of perfusion tube according to claim 1, which is characterized in that the position-limit mechanism includes first movable
Part, first movable member are pivotally connect with the fixing seat, and the resetting-mechanism includes elastic component and fixation
Block, the fixed block are removably connect with the fixing seat, and one end of the elastic component and the fixed block cooperate,
The other end of the elastic component and first movable member cooperate, and the elastic force of the elastic component can act on described first can
Moving part, so that forming the limit channels between first movable member and the fixing seat.
3. the self-locking device of perfusion tube according to claim 2, which is characterized in that the elastic component is torsional spring, described solid
Determine to offer the first card slot on block, the second card slot is offered on first movable member, one end of the torsional spring is resisted against described
In first card slot, the other end of the torsional spring is resisted against in second card slot.
4. the self-locking device of perfusion tube according to claim 3, which is characterized in that the resetting-mechanism further includes support
Bar, the both ends of the support rod are connect with the fixed block respectively, and the torsion spring set is mounted in the outside of the support rod.
5. the self-locking device of perfusion tube according to claim 3, which is characterized in that offer on first movable member
Three card slots are provided with block in the fixing seat, and the torsional spring can make the slot bottom of the third card slot be resisted against the block
Outer surface, the block, the fixing seat and first movable member surround the limit channels.
6. the self-locking device of perfusion tube according to claim 5, which is characterized in that be provided with and lead on first movable member
Bar, the guide frame include guide groove, and the guide rod can be moved along the guide groove, and the guide rod is moved along the guide groove
When, first movable member can be made to rotate, so that the limit channels can be opened.
7. the self-locking device of perfusion tube according to claim 6, which is characterized in that offered on the inner wall of the mounting groove
Through-hole, the conduit are pierced by through the through-hole, and the length direction of the conduit is consistent with the length direction of the mounting groove,
The guide groove is arranged close to the through-hole, the guide groove is arcuate structure, and the arcuate structure is to far from the conduit
Direction protrusion.
8. the self-locking device of perfusion tube according to claim 2, which is characterized in that the position-limit mechanism further includes second can
Moving part, second movable member be first hook, it is described first hook by the first pin pivotally with it is described solid
Reservation connection, the resetting-mechanism further includes the first spring, and one end of first spring is connect with the fixing seat, and described the
The other end of one spring and first hook connect；
First hook includes the first guide part and the first clamping portion, and the of first clamping portion and first movable member
The cooperation of one clamping joint, the guide frame includes the first guide pad, when first guide part and first guide pad cooperate,
First clamping portion can be made to separate with first clamping joint.
9. the self-locking device of perfusion tube according to claim 8, which is characterized in that the position-limit mechanism further includes that third can
Moving part, the third movable member and second movable member interval are arranged, and the third movable member is linked up with for second, and described second
Hook is pivotally connect with link block by the second pin, and the link block is connect with the fixing seat, described multiple
Position mechanism further includes second spring, and one end of the second spring is connect with the fixing seat, the other end of the second spring
It is connected with second hook；
Second hook includes the second guide part and the second clamping portion, and the of second clamping portion and first movable member
The cooperation of two clamping joints, the guide frame further includes the second guide pad, and second guide part and second guide pad cooperate
When, second clamping portion can be made to separate with second clamping joint.
10. the self-locking device of perfusion tube according to any one of claim 1 to 9, which is characterized in that the holding tank
Open end is provided with cover board in a manner of it can open up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296344.6A CN109568711B (en) | 2018-11-01 | 2018-11-01 | Self-locking device of infusion tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296344.6A CN109568711B (en) | 2018-11-01 | 2018-11-01 | Self-locking device of infusion tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109568711A true CN109568711A (en) | 2019-04-05 |
| CN109568711B CN109568711B (en) | 2021-01-01 |
Family
ID=65921125
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811296344.6A Active CN109568711B (en) | 2018-11-01 | 2018-11-01 | Self-locking device of infusion tube |
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| Country | Link |
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| CN (1) | CN109568711B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499508A (en) * | 2021-07-14 | 2021-10-15 | 巨翊科技（上海）有限公司 | Infusion pump capable of automatically clamping and infusing tube |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100312187A1 (en) * | 2009-06-03 | 2010-12-09 | Kriesel Marshall S | Pain management dispenser |
| CN102497909A (en) * | 2009-07-31 | 2012-06-13 | 3M创新有限公司 | Hollow microneedle arrays |
| CN103269732A (en) * | 2010-12-21 | 2013-08-28 | 美敦力迷你迈德公司 | Alignment and connection systems and methods |
| CN104955502A (en) * | 2013-01-25 | 2015-09-30 | 尤尼特拉克特注射器公司 | Fluid restriction mechanisms for drug delivery pumps |
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2018
- 2018-11-01 CN CN201811296344.6A patent/CN109568711B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100312187A1 (en) * | 2009-06-03 | 2010-12-09 | Kriesel Marshall S | Pain management dispenser |
| CN102497909A (en) * | 2009-07-31 | 2012-06-13 | 3M创新有限公司 | Hollow microneedle arrays |
| CN103269732A (en) * | 2010-12-21 | 2013-08-28 | 美敦力迷你迈德公司 | Alignment and connection systems and methods |
| CN104955502A (en) * | 2013-01-25 | 2015-09-30 | 尤尼特拉克特注射器公司 | Fluid restriction mechanisms for drug delivery pumps |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499508A (en) * | 2021-07-14 | 2021-10-15 | 巨翊科技（上海）有限公司 | Infusion pump capable of automatically clamping and infusing tube |
| CN113499508B (en) * | 2021-07-14 | 2022-08-26 | 巨翊科技（上海）有限公司 | Infusion pump capable of automatically clamping and infusing tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109568711B (en) | 2021-01-01 |
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