CN104138624B - Automatic slide switch with transfusion hook - Google Patents
Automatic slide switch with transfusion hook Download PDFInfo
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- CN104138624B CN104138624B CN201310169716.XA CN201310169716A CN104138624B CN 104138624 B CN104138624 B CN 104138624B CN 201310169716 A CN201310169716 A CN 201310169716A CN 104138624 B CN104138624 B CN 104138624B
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- moving contact
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- hook
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- 230000003068 static effect Effects 0.000 claims abstract description 99
- 238000001802 infusion Methods 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims description 38
- 230000000007 visual effect Effects 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 4
- 230000036772 blood pressure Effects 0.000 claims description 4
- 210000001364 upper extremity Anatomy 0.000 claims description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 2
- 240000002853 Nelumbo nucifera Species 0.000 claims 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 2
- 239000003292 glue Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 12
- 239000004020 conductor Substances 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Abstract
The present invention relates to a kind of automatic slide switch with transfusion hook, it is connected by automatic slide switch with hook, automatic slide switch is made of shell, spring, sliding block moving contact, two static contacts, connecting rods, shell is divided into insulating segment, contact-segment, lower insulating segment, two static contacts are located on contact-segment inner wall, and sliding block moving contact slides up and down in shell, and sliding block moving contact lower part connects with connecting rod, in connecting rod, connecting rod connects spring pocket with hook.When hook is unloaded, sliding block moving contact withstands on upper insulating segment by spring, and switch disconnects；When overloaded, sliding block moving contact is pulled to lower insulating segment to hook, and switch is also disconnection；When hook bears response load, sliding block moving contact is closed the switch by spring top to contact-segment.The present invention can be closed automatically according to transfusion condition with cutting infusion alarming circuit, have many advantages, such as to save trouble, save worry, is sensitive, is durable, structure is simple, it is convenient to install and maintain, be not easy to report by mistake.
Description
Technical field
The present invention relates to a kind of medical transfusion auxiliary instruments, are a kind of automatic slide switches with transfusion hook, can cure
It when institute is infused, disconnects when linking up with unloaded, in transfusion hook also automatic disconnection (in infusion) when overloaded, is only linking up with automatically
On transfusion bottle bag be closed when dripping empty automatically.
Background technique
During hospital transfusion, often be in the presence of to find infusion-completed in time, sometimes result in patient by
To unnecessary damage.Therefore a kind of device of timely reminding alarm of the energy in infusion-completed is needed, it is few in infusion surplus
When issue signal to remind infusion person, remind nurse to replace in time and dripped empty transfusion bottle bag or infusion niidl of choosing, reduce because
It could not find in time infusion-completed and lead to the case where patient is by unnecessary damage generation.
Current existing a large amount of infusion reports designed using slide switch or wiping switch and the principle of spring associated working
Alarm device, such as a kind of solar energy infusion alarm of Patent No. CN201010603993, Patent No. CN201120008268
Infusion alarm, the infusion alarm of Patent No. CN2346452, the safe infusion of Patent No. CN201120416809
Alarm etc. also has a small number of infusion alarms to carry out practical application in few hospital.Due to these infusion alarms
It could not fully consider that hook is (defeated on hook in unloaded (when not hanging up the transfusion bottle bag equipped with liquid on hook), response load
The carrying that liquid in liquid bottle bag is linked up with when dripping empty), three kinds of heavily loaded (when the liquid of the transfusion bottle bag on hook has more deal)
Automatic conversion of the situation lower switch between closure and disconnection only considered hook and open under response load, heavily loaded two kinds of situations
The automatic closure closed and disconnection, in the prevalence of following defect:
1, patient voluntarily lifts transfusion bottle bag in infusion and leaves hospital bed and forgotten to be closed on infusion alarm with hand
When control switch (hook is unexpected unloaded), device can false alarm.
2, when each infusion starts, medical staff is needed to open the control switch on infusion alarm with hand, otherwise
Infusion alarm not will call the police；The control switch on infusion alarm need to be closed with hand again at the end of infusion, it is otherwise defeated
Liquid warning device can continue false alarm.
3, when using above-mentioned infusion alarm, to reduce and preventing false alarm, therefore medical staff must be strictly observed
And increased transfusion operation step, and need to exhort that patient must not arbitrarily hold transfusion bottle bag and walk about repeatedly, the work of medical staff is strong
Therefore degree increases with psychological burden.
4, structure is larger and complicated, insensitive, unsightly, installation maintenance trouble etc..
Summary of the invention
The purpose of the present invention, exactly to overcome deficiency existing for above-mentioned infusion alarm, by the upper of slide switch
Portion adds a upper insulating segment, and the sliding block moving contact in slide switch is enable voluntarily to be pushed up by spring force when linking up with unloaded to upper exhausted
Rim segment and make switch two contacts be not turned on, provide it is a kind of can be closed automatically with disconnection infusion alarming circuit, do not increase additionally
The infusion operation step of medical staff, be not easy to report by mistake, it is simple and durable, small and exquisite it is sensitive, reliably with the automatic of transfusion hook
Slide switch.
The object of the present invention is achieved like this:
The present invention is connected by automatic slide switch with hook, and automatic slide switch is by shell, spring, sliding block moving contact, the
One static contact, the second static contact, connecting rod composition, the shell of automatic slide switch are respectively upper insulating segment, contact from top to bottom
Section, lower insulating segment, the first static contact, the second static contact are correspondingly arranged on the inner wall of contact-segment, and sliding block moving contact is located at
It in slide switch shell and can slide up and down, the horizontal both ends of sliding block moving contact are separately installed with the first moving contact, the second dynamic touching
The inner wall of head, the first moving contact, the second moving contact and shell is kept in contact, and the first moving contact is held on the second moving contact,
Sliding block moving contact lower part connects with connecting rod upper end, and spring pocket in connecting rod, stretch out outside shell from the bottom of shell by connecting rod
Its lower end is connected with hook afterwards.
The present invention by hanging ring be suspended on existing stand of being infused, sunpender hook on or directly pacify on certain altitude
After dress is fixed:
When hook does not hang up transfusion bottle bag, hook is unloaded, and spring is solely subjected to underloading, and (load is hook, connecting rod, sliding block
The sum of weight of moving contact), sliding block moving contact withstands on upper insulating segment by spring, and the first moving contact of sliding block moving contact, second move
Contact on the first static contact, the second static contact, cannot be connected, at switch between the first static contact and the second static contact respectively
In off-state.
When hook just hangs up the transfusion bottle bag equipped with regulation deal liquid, hook bears heavy duty, and it is dynamic that hook pulls sliding block
Contact quickly slips over downwards contact-segment, and spring is by Fast Compression, when the first moving contact, the second moving contact of sliding block moving contact are distinguished
After just slipping over the first static contact, the second static contact, sliding block moving contact enters lower insulating segment, and spring is compressed to setting length and stops
It only compresses, sliding block moving contact stops gliding, and the first moving contact, the second moving contact are respectively at the first static contact and second quiet at this time
It under contact, cannot be connected between the first static contact and the second static contact, switch is in off-state.
After starting infusion, as the liquid of transfusion bottle bag is constantly reduced, spring bears pressure and also gradually decreases, when spring
When elastic force starts to be greater than the load of its receiving, spring will start to push sliding block moving contact is slowly upper to slide, when the liquid of transfusion bottle bag
When fast drop is empty, sliding block moving contact initially enters contact-segment, when the first moving contact, the second moving contact respectively with the first static contact, the
When the lower edge contact of two static contacts, hook load-bearing at this time reaches peak response load, and (liquid in transfusion bottle bag on hook is fast
The carrying that drop is linked up with when empty), the first static contact is overlapped by sliding block moving contact with the second static contact and is connected, slide switch beginning
In closed state；As transfusion bottle bag drips sky, the liquid level being infused in sebific duct also starts to be gradually reduced, and the first moving contact, second move
Contact is slowly upper on the first static contact, the second static contact respectively to be slided, when being balanced to the hydraulic and human blood-pressure in infusion sebific duct,
The liquid level being infused in sebific duct stops decline, and the elastic force of spring is equal with the load that it bears at this time, in the stopping of sliding block moving contact
Sliding, the upper limb of the first moving contact, the second moving contact respectively with the first static contact, the second static contact is kept in contact, and hook is held at this time
By minimum response load, (liquid in transfusion bottle bag on hook has dripped extension when liquid level empty, in infusion sebific duct stops declining
The carrying of hook), switch is still in closed state.
After transfusion bottle bag is taken away from hook, spring automatic reset, sliding block moving contact withstands on upper insulation by spring again
Section, hook revert to zero load, and slide switch is automatically restored to off-state.
It applies the invention in infusion alarm system, warning device can be not turned in normal infusion, be infused
Middle patient take away at any time hook on transfusion bottle bag when will not open alarming device, only when the liquid of transfusion bottle bag drips sky fastly
Just can open alarming device, and at the end of infusion, take away hook on transfusion bottle bag after automatic cut-off alarm.
Whether built-in combined aural and visual alarm, self-supply power source, wireless transmitter are installed according to the present invention, the present invention can be divided into five kinds
Specific embodiment.
Embodiment one: opening a wire guide on shell, after a twin conductor is penetrated from wire guide, its two core respectively with
First static contact, the second static contact connect, then with the warning device composition circuit outside slide switch shell and after connecting with the mains, this
Embodiment can play the warning device outside simplest automatic switch shell.
Embodiment two: opening a wire guide on shell, combined aural and visual alarm built in one is installed in shell, a twin conductor
It is penetrated from wire guide, by twin conductor the alarm outside the first static contact, the second static contact, built-in combined aural and visual alarm, shell
After device connects and connects with the mains, the present embodiment can play the work of warning device and built-in combined aural and visual alarm outside automatic switch shell
With.
Embodiment three: built-in combined aural and visual alarm, battery, the first static contact, the second static contact, built-in sound are installed in shell
Light crossing-signal, battery form independent sound-light alarm circuit after connecting in shell, the present embodiment, which rises, is automatically switched built-in acousto-optic
The effect of alarm.
Example IV: battery, wireless transmitter, the first static contact, the second static contact, battery, nothing are installed in shell
Line transmitter forms the automatic launching circuit in automatic alarm system after connecting in shell, the present embodiment rises shakes control switch certainly
The effect of warning device outside shell.
Embodiment five: installing built-in combined aural and visual alarm, battery, wireless transmitter in shell, the first static contact, second quiet
Contact, built-in combined aural and visual alarm, battery, wireless transmitter form the sound-light alarm in automatic alarm system after connecting in shell
And automatic launching circuit, the present embodiment rise from the warning device shaken outside control switch case and are automatically switched built-in combined aural and visual alarm
Effect.
Resistance is slided up and down to reduce sliding block moving contact, can open the hole of a perforation on sliding block moving contact, the first moving contact,
Second moving contact is conductive ball, and the first moving contact, the second moving contact are located at the both ends in hole, and a thin bullet is equipped in hole
The first moving contact, the second moving contact are gently withstood in spring, the both ends of hairspring respectively in hole.
Its sensitivity is influenced to prevent spring to be depressed into limiting condition by sliding block moving contact, can be arranged in slide switch shell
The brake apparatus of sliding block moving contact.
It, can be slide switch shell in view of in specific application, needing lifting force size of the adjustment spring in alarm sometimes
The bottom of body be made into can up and down adjustment union, union is connect with shell by screw thread or socket joint, by rotating or pushing away
Turn a work connector, the lifting force of adjustment spring.
Since the shell of automatic slide switch is divided into upper insulating segment, contact-segment, lower insulating segment by the present invention from top to bottom, the
One static contact, the second static contact are correspondingly arranged on the inner wall of contact-segment, and sliding block moving contact is located in slide switch shell
And can slide up and down, sliding block moving contact lower part is connected with connecting rod upper end, spring pocket is in connecting rod, connecting rod and hook phase
Even, by the interaction of the bearing capacity and spring force of hook, slide sliding block moving contact voluntarily to be voluntarily connected and break up and down
The first static contact and the second static contact are opened, is voluntarily disconnected when linking up with unloaded, hook also voluntarily disconnects when overloaded, only holds in hook
It is just closed automatically when by response load, when being applied to medical transfusion alarm, will not additionally increase medical staff's infusion operation
Step alleviates medical staff's working strength, medical staff and the psychological burden of patient, has and saves trouble, saves worry, is small and exquisite, is sensitive
Reliably, durable, structure is simple, it is cheap, convenient to install and maintain, be not susceptible to wrong report the advantages that.
Detailed description of the invention
The principle of the present invention and specific embodiment are described in more detail below in conjunction with attached drawing.
Fig. 1 is one of vertical section schematic diagram of the invention (when hook is unloaded).
Fig. 2 is two (hook is born when overloaded) of vertical section schematic diagram of the invention.
Fig. 3 is three (when hook bears peak response load) of vertical section schematic diagram of the invention.
Fig. 4 is the top vertical section schematic diagram of the specific embodiment of the invention one.
Fig. 5 is the top vertical section schematic diagram of the specific embodiment of the invention two.
Fig. 6 is the schematic cross section of the specific embodiment of the invention three.
Fig. 7 is the schematic cross section of the specific embodiment of the invention four.
Fig. 8 is the schematic cross section of the specific embodiment of the invention five.
Fig. 9 is the vertical section full-page proof schematic diagram of sliding block moving contact specific embodiment of the invention.
Figure 10 is the one full-page proof schematic diagram of braking device embodiments of sliding block moving contact of the invention.
Figure 11 is two vertical section schematic diagram of braking device embodiments of sliding block moving contact of the invention.
Figure 12 is that spring lifting force of the invention adjusts one vertical section full-page proof schematic diagram of union embodiment.
Figure 13 is that spring lifting force of the invention adjusts two cross section full-page proof schematic diagram of union embodiment.
Figure 14 is the I-I vertical section schematic diagram that spring lifting force of the invention adjusts union embodiment two.
Figure 15 is the II-II vertical section schematic diagram that spring lifting force of the invention adjusts union embodiment two.
Specific embodiment
Referring to attached drawing 1, the automatic slide switch with transfusion hook is connected by automatic slide switch (1) with hook (2), automatically
Slide switch (1) is by cylindrical shell (3), spring (4), sliding block moving contact (5), the first static contact (6), the second static contact (7), company
Extension bar (8) composition, shell (3) are respectively upper insulating segment (9), contact-segment (10), lower insulating segment (11), the first stationary contact from top to bottom
Piece (6), the second static contact (7) are correspondingly arranged on the inner wall of contact-segment (10), and sliding block moving contact (5) is located at shell (3)
Interior and can slide up and down, the both ends of sliding block moving contact (5) are separately installed with the first moving contact (12), the second moving contact (13), and
One moving contact (12), the second moving contact (13) and the inner wall of shell (3) are kept in contact, the first moving contact (12) and the second moving contact
(13) it is held on, sliding block moving contact (5) lower part connects with connecting rod (8) upper end, and spring (4) is in shell (3) and covers even
On extension bar (8), connecting rod is provided in shell (3) bottom and is penetrated hole (14), connecting rod (8) penetrates in hole (14) from connecting rod
It passes through, the lower end of connecting rod (8) is connected with hook (2).
Can be suspended on after a hanging ring is installed on top of the present invention infusion stand, sunpender hook on, or be mounted directly fixation
It is used on infusion stand, sunpender:
When hook (2) does not hang up transfusion bottle bag, hook is unloaded, and spring (4) is solely subjected to underloading (hook, connecting rod, sliding block
The sum of weight of moving contact), sliding block moving contact (5) is withstood on upper insulating segment (9) by spring (4), and the first of sliding block moving contact (5) is dynamic
Contact (12), the second moving contact (13) respectively on the first static contact (6), the second static contact (7), the first static contact (6) with
Second static contact cannot be connected between (7), and switch is in off-state.
Referring to attached drawing 2, when hook (2) just hangs up the transfusion bottle bag equipped with regulation deal liquid, hook bears heavy duty, hangs
Hook (2) is pullled sliding block moving contact (5) and is quickly slipped over downwards contact-segment (10), and spring (4) is by Fast Compression, when sliding block moving contact
(5) the first moving contact (12), the second moving contact (13) has just been slipped over respectively after the first static contact (6), the second static contact (7), sliding
Block moving contact (5) enters lower insulating segment (11), and spring (3) stops compression when being compressed to setting length, and sliding block moving contact (5) stops
It only glides, the first moving contact (12), the second moving contact (13) are respectively at the first static contact (6) and the second static contact (7) at this time
Under, it cannot be connected between the first static contact (6) and the second static contact (7), switch is in off-state.
Referring to attached drawing 3, after starting infusion, as the liquid of transfusion bottle bag is constantly reduced, spring (4) bears pressure also gradually
It reduces, when the elastic force of spring (4) starts to be greater than the load of its receiving, spring (4) starts in promotion sliding block moving contact (5) slowly
Sliding, when the liquid of transfusion bottle bag drips sky fastly, sliding block moving contact (5) initially enters contact-segment (10), when the first moving contact (12),
When second moving contact (13) is contacted with the lower edge of the first static contact (6), the second static contact (7) respectively, hook (2) load-bearing at this time reaches
To peak response load, the first static contact (6) and the second static contact (7) are overlapped and be connected by sliding block moving contact (5), and switch starts
It is in closed state；As transfusion bottle bag drips sky, the liquid level being infused in sebific duct also starts to be gradually reduced, the first moving contact (12),
Second moving contact (13) is slowly upper also on the first static contact (6), the second static contact (7) respectively to be slided, to the liquid in infusion sebific duct
When pressure is balanced with human blood-pressure, the liquid level being infused in sebific duct stops decline, the load phase that the elastic force of spring (4) is born with it
Deng sliding in sliding block moving contact (5) stopping, the first moving contact (12), the second moving contact (13) stop at the first static contact respectively
(6), it the upper limb of the second static contact (7) and is kept in contact, hook (2) bears minimum response load at this time, and switch is still in closure
State.
After transfusion bottle bag is taken away from hook (2), spring (4) automatically resets, and sliding block moving contact (5) is again by spring
(4) it withstands on insulating segment (9), hook (2) reverts to zero load, and switch is automatically restored to off-state.
Embodiment one: referring to attached drawing 4, wire guide (15) are provided on shell (3).
Embodiment two: referring to attached drawing 5, being provided with wire guide (15) on shell (3), is equipped with built-in sound in shell (3)
Light crossing-signal (16).
Embodiment three: referring to attached drawing 6, being equipped with built-in combined aural and visual alarm (16), battery (17) in shell (3), and first
Static contact (6), the second static contact (7), built-in combined aural and visual alarm (16), battery (17) are connected in shell.
Example IV: referring to attached drawing 7, battery (17), wireless transmitter (18), the first stationary contact are installed in shell (3)
The series connection in shell (3) of piece (6), the second static contact (7), battery (17), wireless transmitter (18).
Embodiment five: referring to attached drawing 8, built-in combined aural and visual alarm (16), battery (17), wireless is installed in shell (3)
Transmitter (18), the first static contact (6), the second static contact (7), built-in combined aural and visual alarm (16), battery (17), wireless transmitter
(18) series connection in shell (3).
Sliding block moving contact embodiment: referring to attached drawing 9, sliding up and down resistance to reduce sliding block moving contact (5), can be dynamic in sliding block
Open the hole (19) of a perforation on contact (5), two conductive balls respectively as the first moving contact (12), the second moving contact (13),
First moving contact (12), the second moving contact (13) are located at the both ends of hole (19), are equipped with a hairspring (20) in hole (19),
The first moving contact (12), the second moving contact (13) are gently withstood respectively in hole (19) in the both ends of hairspring (20).
The braking device embodiments one of sliding block moving contact: referring to attached drawing 10, lower support is connected with below sliding block moving contact (5)
Short tube (21), after sliding block moving contact (5) is snapped down to minimum setting position, when spring (4) not also being depressed into limiting condition, lower branch
The interior bottom for having contacted shell (3) is just first pressed in support short tube (21) lower end, prevents sliding block moving contact (5) further to glide, spring (4)
Stop compression.
The braking device embodiments two of sliding block moving contact: referring to attached drawing 11, upper support short tube is connected in shell (3) bottom
(22), after sliding block moving contact (5) is snapped down to minimum setting position, when spring (4) not also being depressed into limiting condition, the dynamic touching of sliding block
Just first pressure has contacted upper support short tube (22) upper end for head (5) bottom, prevents sliding block moving contact (5) further to glide, spring (4)
Stop compression.
Spring lifting force adjusts union embodiment one: referring to attached drawing 12, the bottom of shell (3) be can up and down adjustment spiral shell
Line connection moving joint (23), union (23) are connected through a screw thread with shell (3), and hole (14) run through union (23), loose joint
It is carved with outer silk (24) on head (23), the lower inner wall of shell (3) is carved with internal thread (25).
Spring lifting force adjusts union embodiment two: referring to attached drawing 13, attached drawing 14, attached drawing 15, the bottom of shell (3) is
Can up and down adjustment socket joint connection moving joint (26), union (26) connect with shell (3) by socket joint, and hole (14) are through living
Connector (26), union (26) are plug, and the lower part of shell (3) is to take the lead, and there is the clamp of several protrusions on union (26) surface
(27), several vertical clamp current grooves (28) are provided in the lower inner wall of shell (3), in the lower inner wall of shell (3),
The clamp breaker slot (29) communicated with current groove (28) is provided with by current groove (28).Clamp (27) is when breaker slot (29) is interior, card
Sub (27), which are braked slot (29) and block, is unable to slide downward；Clamp (27) is when current groove (28) is interior, in external force or spring masterpiece
Under, clamp (27) can slide up or down in current groove (28).When needing adjustment spring (4) lifting force, first slightly rotate
Union (26) makes clamp (27) leave breaker slot (29) interior into current groove (28), then pushes up or move down union
(26), when the height in clamp (27) and the breaker slot (29) of up or down is roughly equal, then opposite direction slightly swivelling union
(26), clamp (27) are made to enter in the breaker slot (29) of up or down and blocked again, at this time spring (4) above pushing away in alarm
Power will be than becoming larger or becoming smaller before adjustment.
Claims (2)
1. the automatic slide switch with transfusion hook is connected by automatic slide switch (1) with hook (2), automatic slide switch (1)
By cylindrical shell (3), spring (4), sliding block moving contact (5), the first static contact (6), the second static contact (7), connecting rod (8) group
At it is characterized in that: shell (3) is respectively upper insulating segment (9), contact-segment (10), lower insulating segment (11), the first stationary contact from top to bottom
Piece (6), the second static contact (7) are correspondingly arranged on the inner wall of contact-segment (10), and sliding block moving contact (5) is located at shell (3)
Interior and can slide up and down, the both ends of sliding block moving contact (5) are separately installed with the first moving contact (12), the second moving contact (13), and
One moving contact (12), the second moving contact (13) and the inner wall of shell (3) are kept in contact, the first moving contact (12) and the second moving contact
(13) it is held on, sliding block moving contact (5) lower part connects with connecting rod (8) upper end, and spring (4) is in shell (3) and covers even
On extension bar (8), connecting rod is provided in shell (3) bottom and is penetrated hole (14), connecting rod (8) penetrates in hole (14) from connecting rod
It passes through, the lower end of connecting rod (8) is connected with hook (2)；Wire guide (15) are provided on shell (3)；It is equipped in shell (3)
Built-in combined aural and visual alarm (16), battery (17), wireless transmitter (18), the first static contact (6), the second static contact (7), built-in sound
The series connection in shell (3) of light crossing-signal (16), battery (17), wireless transmitter (18)；A perforation is opened on sliding block moving contact (5)
Hole (19), the first moving contact (12), the second moving contact (13) are conductive ball, the first moving contact (12), the second moving contact
(13) not Wei Yu hole (19) both ends, be equipped with a hairspring (20) in hole (19), the both ends of hairspring (20) are in hole (19)
Respectively against the first moving contact (12), the second moving contact (13)；Lower support short tube (21) is connected with below sliding block moving contact (5)
Or upper support short tube (22) is connected in shell (3) bottom；The bottom of shell (3) be can up and down adjustment threaded connection union
(23), union (23) is connected through a screw thread with shell (3), and hole (14) run through union (23), and union is carved on (23)
Outer silk (24), the lower inner wall of shell (3) be carved with internal thread (25) or shell (3) bottom be can the socket joint connection of up and down adjustment live
Connector (26), union (26) are connect with shell (3) by socket joint, and hole (14) run through union (26), and union (26) is
Plug, the lower part of shell (3) are to take the lead, and there is the clamp (27) of several protrusions on union (26) surface, in the lower part of shell (3)
It is provided with several vertical clamp current grooves (28) on wall, is provided with and passes through in the lower inner wall of shell (3), by current groove (28)
The clamp breaker slot (29) that slot (28) communicates；When hook just hangs up the transfusion bottle bag equipped with regulation deal liquid, hook is born
Heavy duty, hook pull sliding block moving contact and quickly slip over contact-segment downwards, and for spring by Fast Compression, first when sliding block moving contact is dynamic
After contact, the second moving contact have just slipped over the first static contact, the second static contact respectively, sliding block moving contact enters lower insulating segment, spring
It is compressed to setting length and stops compressing, sliding block moving contact stops gliding, and the first moving contact, the second moving contact are located respectively at this time
It under the first static contact and the second static contact, cannot be connected between the first static contact and the second static contact, switch is in disconnection
State；After starting infusion, as the liquid of transfusion bottle bag is constantly reduced, spring bears pressure and also gradually decreases, when the bullet of spring
When power starts to be greater than the load of its receiving, spring will start to push sliding block moving contact is slowly upper to slide, when the liquid of transfusion bottle bag is fast
When drop is empty, sliding block moving contact initially enters contact-segment, when the first moving contact, the second moving contact respectively with the first static contact, second
When the lower edge contact of static contact, the liquid that hook load-bearing at this time reaches in the transfusion bottle bag that peak response load is linked up with drips fastly
The carrying linked up with when empty, the first static contact are overlapped by sliding block moving contact with the second static contact and are connected, and slide switch beginning exists
Closed state；As transfusion bottle bag drips sky, the liquid level being infused in sebific duct also starts to be gradually reduced, the first moving contact, the second dynamic touching
Head is slowly upper on the first static contact, the second static contact respectively to be slided, defeated when balancing to the hydraulic and human blood-pressure in infusion sebific duct
Liquid level in liquid glue pipe stops decline, and the elastic force of spring is equal with the load that it bears at this time, sliding in the stopping of sliding block moving contact, the
The upper limb of one moving contact, the second moving contact respectively with the first static contact, the second static contact is kept in contact, and links up with the load born at this time
Lotus is that the liquid in the transfusion bottle bag on hook has dripped the carrying linked up with when liquid level stopping empty, in infusion sebific duct declines, switch
Still it is in closed state；After transfusion bottle bag is taken away from hook, spring automatic reset, sliding block moving contact is withstood on by spring again
Upper insulating segment, hook revert to zero load, and slide switch is automatically restored to off-state.
2. the automatic slide switch with transfusion hook is connected by automatic slide switch (1) with hook (2), automatic slide switch (1)
By cylindrical shell (3), spring (4), sliding block moving contact (5), the first static contact (6), the second static contact (7), connecting rod (8) group
At it is characterized in that: shell (3) is respectively upper insulating segment (9), contact-segment (10), lower insulating segment (11), the first stationary contact from top to bottom
Piece (6), the second static contact (7) are correspondingly arranged on the inner wall of contact-segment (10), and sliding block moving contact (5) is located at shell (3)
Interior and can slide up and down, the both ends of sliding block moving contact (5) are separately installed with the first moving contact (12), the second moving contact (13), and
One moving contact (12), the second moving contact (13) and the inner wall of shell (3) are kept in contact, the first moving contact (12) and the second moving contact
(13) it is held on, sliding block moving contact (5) lower part connects with connecting rod (8) upper end, and spring (4) is in shell (3) and covers even
On extension bar (8), connecting rod is provided in shell (3) bottom and is penetrated hole (14), connecting rod (8) penetrates in hole (14) from connecting rod
It passes through, the lower end of connecting rod (8) is connected with hook (2)；Wire guide (15) are provided on shell (3)；It is equipped in shell (3)
Built-in combined aural and visual alarm (16), battery (17), wireless transmitter (18), the first static contact (6), the second static contact (7), built-in sound
The series connection in shell (3) of light crossing-signal (16), battery (17), wireless transmitter (18)；A perforation is opened on sliding block moving contact (5)
Hole (19), the first moving contact (12), the second moving contact (13) are conductive ball, the first moving contact (12), the second moving contact
(13) not Wei Yu hole (19) both ends, be equipped with a hairspring (20) in hole (19), the both ends of hairspring (20) are in hole (19)
Respectively against the first moving contact (12), the second moving contact (13)；Lower support short tube (21) is connected with below sliding block moving contact (5)
Or upper support short tube (22) is connected in shell (3) bottom；The bottom of shell (3) be can up and down adjustment socket joint connection moving joint
(26), union (26) is connect with shell (3) by socket joint, and hole (14) run through union (26), and union (26) is slotting
Head, the lower part of shell (3) are to take the lead, and there are the clamp (27) of several protrusions, the lower inner wall in shell (3) in union (26) surface
On be provided with several vertical clamp current grooves (28), be provided in the lower inner wall of shell (3), by current groove (28) and current groove
(28) the clamp breaker slot (29) communicated；When hook just hangs up the transfusion bottle bag equipped with regulation deal liquid, hook bears weight
It carries, hook pulls sliding block moving contact and quickly slips over contact-segment downwards, and spring moves touching by Fast Compression, first when sliding block moving contact
After head, the second moving contact have just slipped over the first static contact, the second static contact respectively, sliding block moving contact enters lower insulating segment, spring quilt
It is compressed to setting length and stops compressing, sliding block moving contact stops gliding, and the first moving contact, the second moving contact are respectively at this time
It under first static contact and the second static contact, cannot be connected between the first static contact and the second static contact, switch is in disconnection shape
State；After starting infusion, as the liquid of transfusion bottle bag is constantly reduced, spring bears pressure and also gradually decreases, when the elastic force of spring
When starting to be greater than the load of its receiving, spring will start to push sliding block moving contact is slowly upper to slide, when the liquid of transfusion bottle bag drips fastly
When empty, sliding block moving contact initially enters contact-segment, when the first moving contact, the second moving contact respectively with the first static contact, second quiet
When the lower edge contact of contact, the liquid that hook load-bearing at this time reaches in the transfusion bottle bag that peak response load is linked up with drips sky fastly
When the carrying linked up with, the first static contact overlaps by sliding block moving contact with the second static contact and is connected, and slide switch beginning is being closed
Conjunction state；As transfusion bottle bag drips sky, the liquid level being infused in sebific duct also starts to be gradually reduced, the first moving contact, the second moving contact
It is slowly upper on the first static contact, the second static contact respectively to slide, it is defeated when being balanced to the hydraulic and human blood-pressure in infusion sebific duct
Liquid level in liquid glue pipe stops decline, and the elastic force of spring is equal with the load that it bears at this time, sliding in the stopping of sliding block moving contact, the
The upper limb of one moving contact, the second moving contact respectively with the first static contact, the second static contact is kept in contact, and links up with the load born at this time
Lotus is that the liquid in the transfusion bottle bag on hook has dripped the carrying linked up with when liquid level stopping empty, in infusion sebific duct declines, switch
Still it is in closed state；After transfusion bottle bag is taken away from hook, spring automatic reset, sliding block moving contact is withstood on by spring again
Upper insulating segment, hook revert to zero load, and slide switch is automatically restored to off-state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169716.XA CN104138624B (en) | 2013-05-10 | 2013-05-10 | Automatic slide switch with transfusion hook |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169716.XA CN104138624B (en) | 2013-05-10 | 2013-05-10 | Automatic slide switch with transfusion hook |
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| CN104138624A CN104138624A (en) | 2014-11-12 |
| CN104138624B true CN104138624B (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310169716.XA Active CN104138624B (en) | 2013-05-10 | 2013-05-10 | Automatic slide switch with transfusion hook |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498040A (en) * | 2015-12-18 | 2016-04-20 | 中山市民众镇育才小学 | Safety transfusion prompter |
| CN106039472A (en) * | 2016-06-16 | 2016-10-26 | 沈娟芬 | Infusion bag alarm device |
| CN107244613A (en) * | 2017-07-08 | 2017-10-13 | 佛山市正略信息科技有限公司 | A kind of intelligent limit for tonnage hoisting apparatus |
| CN107929857B (en) * | 2017-12-05 | 2024-03-22 | 温州市中心医院 | Suspension device for nursing |
| CN107941453B (en) * | 2018-01-02 | 2024-04-05 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind tunnel free tail-spin test model recovery rod |
| CN110037910A (en) * | 2019-03-22 | 2019-07-23 | 同济大学 | A kind of multi-functional automatic physiotherapeutical instrument based on realsense |
| CN112755309B (en) * | 2021-01-08 | 2023-07-21 | 黄亚荣 | Infusion support with alarm function for pediatric outpatient service |
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|---|---|
| CN104138624A (en) | 2014-11-12 |
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Effective date of registration: 20191023 Address after: 441000 Chunyuan Road, High-tech Zone, Xiangyang City, Hubei Province Patentee after: Hubei San Hao Electronics Co., Ltd. Address before: 401120 Huyun Street, Yubei District, Chongqing Patentee before: Chongqing Ao Technology Co. Ltd. |