CN202313357U - Safety blood sampling pen - Google Patents
Safety blood sampling pen Download PDFInfo
- Publication number
- CN202313357U CN202313357U CN2011204407324U CN201120440732U CN202313357U CN 202313357 U CN202313357 U CN 202313357U CN 2011204407324 U CN2011204407324 U CN 2011204407324U CN 201120440732 U CN201120440732 U CN 201120440732U CN 202313357 U CN202313357 U CN 202313357U
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- door bolt
- push rod
- link
- groove
- nib
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Abstract
The utility model relates to a safety blood sampling pen, which consists of a pen point and a pen body and is characterized in that the pen point and the pen body are connected in a pluggable manner; the pen point connecting end is provided with a push rod and the pen body connecting end is provided with a slot; the slot is formed by connecting a sliding groove, a transitional groove and a deadlocking groove in sequence; the arm end of an elastic arm of an ejection rod is provided with a latch head, the front part of the latch head is provided with a latch tongue, and the rear part of the latch head is provided with a latch hook; the width of the latch head is greater than that of the push rod, the width of the sliding groove and the width of the deadlocking groove are greater than the width of the latch head, and the width of the transitional groove is greater than that of the push rod and less than that of the latch head; and a stop shoulder is formed at the connection part between the sliding groove and the transitional groove, a deadlocking shoulder is formed at the connection part between the transitional groove and the deadlocking groove, and the end part(s) of the push rod or/and the latch tongue is/are provided with an inclined propping surface/inclined propping surfaces. According to the scheme, the pluggable connection between the pen point and the pen body is associated with the safety of using and operating the blood sampling pen, and the safety problem possibly existing in the using and operation process is solved by utilizing the pluggable connection between the pen point and the pen body.
Description
Technical field
This utility model relates to medical blood taking instrument, relates in particular to a kind of and the matching used safety blood collecting pen of disposable blood taking needle.
Background technology
Blood collecting pen is a kind of discharger, the common and supporting use of disposable blood taking needle, and wherein blood collecting pen is reusable, and blood taking needle is merely disposable use for fear of cross infection.The existing many decades of the development of blood collecting pen is historical, wherein many stages has also been experienced in the improvement of blood collecting pen, and blood collecting pen just moves to maturity the stage at present, but safety in utilization remains the problem that those skilled in the art pay close attention in the blood collecting pen evolution.
Chinese patent CN2479917Y once announced the utility model patent of having authorized a name to be called " hemostix ".This patent is disclosed to be a kind of blood collecting pen, and the operational approach before this blood collecting pen uses is: the first step, Unscrew cap; Second step, the disposable blood taking needle of plug-in mounting, and twist the protective cap of blood taking needle; The 3rd step, cap on the rotary sleeve; In the 4th step, the pen cap of pulling blood collecting pen afterbody makes the lock-out state before blood taking needle gets into emission, can use.Owing to received the restriction of technical merit at that time; There is security flaw in the design of this blood collecting pen; Promptly when the disposable blood taking needle of the second step plug-in mounting, necessarily insert thrust because of needs; May make the lock-out state before trigger mechanism gets into emission in advance, the in a single day careless false touch of user this moment is to firing button, and blood taking needle will be launched immediately.This mistakenly launching concerning user may directly damage, and therefore there is potential safety hazard in the design from blood collecting pen.
In order to solve above-mentioned safety issue, Chinese patent CN101518450A discloses the application for a patent for invention case that a name is called " piercing device " afterwards.The technical scheme of this patent application can guarantee when the plug-in mounting blood taking needle, can not get in advance the lock-out state before the emission, and having only when cap covers after just, the pen cap of stretchy blood collecting pen afterbody makes trigger mechanism get into the preceding lock-out state of emission.This design has overcome above-mentioned security flaw, but has brought other two aspect problems again thereupon.The firstth, complex structure, the parts manufacture difficulty that has is big, and production cost increases; Second person of being to use because other factors disturbs in the time of can't confirming whether to install blood taking needle before, can open cap usually and observe after blood taking needle was installed.Trigger mechanism can produce and mistakenly launch this moment, accidentally also can damage to user, therefore had potential safety hazard equally.
Summary of the invention
The purpose of this utility model is that will to design a kind of safety in utilization good, and the simple relatively blood collecting pen of structure, is intended to solve the potential safety hazard that above-mentioned blood collecting pen exists in using operating process.
For achieving the above object, the technical scheme that this utility model adopts is: a kind of safety blood collecting pen, form by a nib and a body two parts; Nib inside is provided with ejection chamber vertically, and the front end of ejection chamber is provided with needle outlet, is equipped with Rhizoma Belamcandae and shooting spring in the body; The Rhizoma Belamcandae head is provided with the socket of plug-in mounting blood taking needle; Body sidepiece is provided with trigger button, and a body afterbody is provided with the tail handle, and the rear end of nib is as first link; The front portion of body is to being provided with second link by first link, and its innovation is:
Said first link is connected with the plug of second link.
Said first link is provided with a push rod, and this push rod stretches out and points to second link from first link.
Corresponding said push rod is axially arranged with one section body at second a link upper edge body, and body offers slot vertically on the tube wall of push rod one end, and slot radially runs through tube wall at a body.
The sidepiece of said Rhizoma Belamcandae extends an elastic arm, and the cantilever end of elastic arm is provided with the door bolt head, and the front portion of door bolt head is provided with a door bolt tongue, and the rear portion is provided with a latch dog; Directly make progress at a body, the width of door bolt head is greater than the width of push rod.
Said slot is connected and composed by one section sliding tray, one section lead-over groove and one section locked groove on a body is axial successively; Directly make progress at a body; The width of sliding tray and locked groove is greater than the width of door bolt head, and the width of lead-over groove is greater than the width of push rod, simultaneously less than the width of fastening head with a bolt or latch; The junction of sliding tray and lead-over groove is formed with and stops shoulder, and the junction of lead-over groove and locked groove is formed with locked shoulder; Said trigger button is positioned at locked groove top; Said push rod is declined the inclined-plane or/and the end of door bolt tongue is provided with.
When a nib and a status leave; And the shooting spring is when being in free state, and the door bolt head is arranged in sliding tray, under this state during to socket plug-in mounting blood taking needle; Plug-in mounting thrust forces the latch dog of door bolt back of head to cooperate with stopping shoulder, thereby stops the door bolt head to slide to locked groove from sliding tray; When a nib insertion body connects; Push rod inserts sliding tray and lead-over groove thereupon; Push rod is through declining pushed door bolt head and elastic arm to a body inside bend distortion during insertion; When the pulled backwards tail was shaken hands under this state, Rhizoma Belamcandae drives the door bolt head through elastic arm, and the leap lead-over groove got into the locked groove from the below, and the lock-out state before the entering emission.
Related content in the technique scheme is explained as follows:
1. in the such scheme, the implication of " preceding " is meant the nib of blood collecting pen or the firing direction of blood taking needle in said " front end " and " front portion ".Said " rear end ", " rear portion " and in " backward " implication of " back " be meant the opposite direction of a tail or the blood taking needle firing direction of blood collecting pen.
2. in the such scheme, said " body is axial " is meant a body axis direction, also is the nib of blood collecting pen and the direction between the tail, perhaps is fore-and-aft direction.Said " body radially " is meant a body diametric(al), also is the horizontal of blood collecting pen.
3. in the such scheme, in said " top ", " making progress ", " below " and " downwards " " on " and D score describe with reference to this utility model direction shown in Figure 3.Because this utility model blood collecting pen can rotate around axis, therefore " on " and D score be relative, need be as a reference with direction shown in Figure 3.
4. in the such scheme, can not trigger the trigger mechanism of blood collecting pen when making blood collecting pen under battery, extract nib yet.Can be provided with the kayser inclined-plane in the end of locked shoulder, the kayser inclined-plane is towards trigger button, the kayser inclined-plane with decline the inclined-plane and in the space, form and intersect.When setting back after the tail handle pulling, under the elastic force combined effect of the elastic force of shooting spring and elastic arm, fasten procephalic door bolt tongue with a bolt or latch and be resisted against in the bayonet socket of kayser inclined-plane and the formation of push rod end of locked shoulder; When pressing trigger button, trigger button acts on the door bolt head, and the door bolt tongue to lower slider, gets into the shooting state along the kayser inclined-plane until breaking off relations; Under the lock-out state before emission; When nib when a body is extracted, push rod is extracted out from sliding tray and lead-over groove thereupon, this moment is under the resilient force of shooting spring; The door bolt tongue upwards slides into locked shoulder end face and forms locking state along the kayser inclined-plane, trigger button pushes inefficacy under this state.
This utility model design principle is: use the safety problem that exists in the operating process in order to solve blood collecting pen; This utility model will be in the past adopts the design that is threaded to change between nib and the body to plug the design that is connected; And the safety that nib is connected with plug between the body with blood collecting pen is operated in use is associated; Utilize nib to go up the matching relationship between this three of door bolt head set on set push rod and a set slot and the Rhizoma Belamcandae elastic arm on one's body, use the potential safety hazard that exists in the operating process thereby well solved blood collecting pen.
Because the technique scheme utilization, this utility model compared with prior art has advantage and effect:
1. this utility model blood collecting pen is when the plug-in mounting blood taking needle; Because the door bolt head is arranged in sliding tray; Plug-in mounting thrust is when driving the door bolt head and move backward, and the latch dog of the door bolt back of head shoulder block that is obstructed stops and stops to move backward, therefore can not make the lock-out state before trigger mechanism does not get into emission in advance because of plug-in mounting thrust.Have only after nib is inserted a body and connected just stretchy tail handle, make the lock-out state before trigger mechanism gets into emission, thereby solved the potential safety hazard that blood collecting pen possibly exist when blood taking needle is installed.
2. under the lock-out state of this utility model before emission; When nib when a body is extracted; Push rod is extracted out from sliding tray and lead-over groove thereupon, and the door bolt tongue upwards slid into locked shoulder end face and formed locking state along the kayser inclined-plane under the resilient force of shooting spring this moment; Under this state trigger button push inefficacy, open the potential safety hazard that the blood collecting pen nib possibly exist thereby solved.
3. this utility model is associated the safety that is connected between nib and the body with blood collecting pen is operated in use; Connect-disconnect structure solves and uses the safety issue that possibly exist in the operating process between a utilization nib and the body; Its technical scheme is reasonable in design, is skillfully constructed, and is simple in structure; Reliable operation is a kind of safety blood collecting pen of creative and practicality.
Description of drawings
Accompanying drawing 1 is this utility model safety blood collecting pen embodiment axonometric chart;
Accompanying drawing 2 is this utility model safety blood collecting pen embodiment three-dimensional exploded view;
Accompanying drawing 3 is this utility model safety blood collecting pen embodiment cutaway view;
State diagram when accompanying drawing 4 is extracted nib for this utility model safety blood collecting pen;
Accompanying drawing 5 is adjusting ring and the push rod axonometric chart in this utility model safety blood collecting pen nib;
Accompanying drawing 6 is adjusting ring and the push rod cutaway view in this utility model safety blood collecting pen nib;
Accompanying drawing 7 is middle cover and the slot axonometric chart in this utility model safety blood collecting pen body;
Accompanying drawing 8 is the slot enlarged drawing among Fig. 7;
Accompanying drawing 9 is Rhizoma Belamcandae and the elastic arm front view in this utility model safety blood collecting pen body;
Accompanying drawing 10 is the elastic arm enlarged drawing among Fig. 9;
State diagram when accompanying drawing 11 is this utility model safety blood collecting pen installation blood taking needle;
Accompanying drawing 12 is the front view that plug-in mounting thrust moved the door bolt head backward when blood taking needle was installed in sliding tray;
Accompanying drawing 14 is to stop when blood taking needle is installed that shoulder stops the front view that the door bolt head is mobile backward;
Accompanying drawing 16 is the state diagram of plug-in mounting nib behind this utility model safety blood collecting pen installation blood taking needle;
Push rod promoted the front view that Rhizoma Belamcandae moves backward through the door bolt head when accompanying drawing 17 was the plug-in mounting nib;
Push rod forced door bolt head and elastic arm to a front view of body inside bend distortion when accompanying drawing 19 was the plug-in mounting nib;
The door bolt head began to cross over the front view that lead-over groove also moves backward from the lead-over groove below when accompanying drawing 21 was the plug-in mounting nib;
Accompanying drawing 22 is the vertical view of Figure 21;
Accompanying drawing 23 is crossed over the front view of lead-over groove from the lead-over groove below for the good nib of plug-in mounting back door bolt head;
Accompanying drawing 24 is the vertical view of Figure 23;
Rhizoma Belamcandae drove the door bolt head through elastic arm and all crosses over the front view that lead-over groove gets into locked groove from the below when accompanying drawing 25 was shaken hands for the pulled backwards tail;
Accompanying drawing 26 is the vertical view of Figure 25;
Under the elastic force combined effect of shooting spring and elastic arm, fasten with a bolt or latch in the bayonet socket that kayser inclined-plane that procephalic door bolt tongue is resisted against locked shoulder and push rod end form when accompanying drawing 27 sets back for tail handle, and get into and launch preceding lock-out state front view;
Accompanying drawing 28 is the vertical view of Figure 27;
Accompanying drawing 29 is pushed emission state figure for this utility model safety blood collecting pen;
Accompanying drawing 30 is the state enlarged drawing when pressing trigger button;
Accompanying drawing 31 is the state enlarged drawing that the door bolt head breaks off relations when pressing trigger button;
State diagram when accompanying drawing 32 is extracted nib for launching under the preceding lock-out state;
When accompanying drawing 33 is extracted nib under the lock-out state before for emission a door bolt resilience and on locked shoulder locked front view;
Accompanying drawing 34 is the vertical view of Figure 33;
Accompanying drawing 35 is pushed the front view of inefficacy for extracting nib back trigger button under the preceding lock-out state of emission;
Accompanying drawing 36 is the vertical view of Figure 35.
In the above accompanying drawing: 1. nib; 2. a body; 3. adjusting medicated cap; 4. adjusting ring; 5. elastic ring; 6. adjusting inner core; 7. Rhizoma Belamcandae; 8. shooting spring; 9. middle cover; 10. trigger button; 11. overcoat; 12. unload shank; 13. interior cover; 14. back-moving spring; 15. indication cover; 16. tail handle; 17. transparent circle; 18. tail medicated cap; 19. first link; 20. second link; 21. push rod; 22. body; 23. slot; 24. elastic arm; 25. door bolt head; 26. door bolt tongue; 27. latch dog; 28. sliding tray; 29. lead-over groove; 30. locked groove; 31. stop shoulder; 32. locked shoulder; 33. kayser inclined-plane; 34. decline the inclined-plane; 35. blood taking needle; 36. socket; 37. needle outlet; 38. latch; 39. jack.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment this utility model is further described:
Embodiment: safety blood collecting pen
Like Fig. 1 ~ shown in Figure 3, this safety blood collecting pen is made up of nib 1 and a body 2 two parts, and wherein, nib 1 is assembled by following four parts: adjusting medicated cap 3, adjusting ring 4, elastic ring 5 and adjusting inner core 6.The axonometric chart of these four parts is seen Fig. 1, and assembly drawing is seen Fig. 3.In nib 1, to regulate inner core 6 inside and be provided with ejection chamber vertically, the front end of ejection chamber is provided with needle outlet 37, regulates inner core 6 and welds or connect and fix with adjusting ring 4, regulates medicated cap 3 and connects and fixes with elastic ring 5, regulates medicated cap 3 and is sleeved on the head of regulating inner core 6.When rotating adjusting medicated cap 3, regulate medicated cap 3 relative accommodation inner cores 6 and move axially, thus the function that realizes regulating depth of needling.Body 2 is assembled by following 12 parts: Rhizoma Belamcandae 7, shooting spring 8, middle cover 9, trigger button 10, overcoat 11, unload shank 12, interior cover 13, back-moving spring 14, indication cover 15, tail handle 16, transparent circle 17 and tail medicated cap 18.The axonometric chart of these 20 parts is seen Fig. 1, and assembly drawing is seen Fig. 3.In a body 2; In cover 9 be contained in the overcoat 11, the front end of middle cover 9 stretches out from the front end of overcoat 11, is fixedly connected after middle cover 9 and overcoat 11 tight fits; On the locating hole of cover 9, the head of trigger button 10 was located in the set button hole of overcoat 11 sidepieces during the afterbody of trigger button 10 was positioned at.Tail handle 16 is installed in the afterbody of overcoat 11, and overcoat 11 is slidingly connected relatively, and interior cover 13 connects at tail 16 internal fixation of shaking hands, and the afterbody of tail handle 16 is fixedly connected with transparent circle 17 and tail medicated cap 18.Unload shank 12 and be slidingly installed on its external sleeve 11, the pushing needle bar that unloads shank 12 stretches into Rhizoma Belamcandae 7 inside.Rhizoma Belamcandae 7 be contained in the cover 9 in and phase centered covers 9 be in axial sliding connection, Rhizoma Belamcandae 7 heads are provided with the socket 36 of plug-in mounting blood taking needle 35, afterbody be set with the shooting spring 8, the shooting spring 8 in axial action between Rhizoma Belamcandae 7 and middle cover 9.Back-moving spring 14 overlaps between 15 in interior cover 13 and indication in axial action.
As shown in Figure 4, the rear end of nib 1 is as first link 19, and the front portion of a body 2 is to being provided with second link 20 by first link 19.First link 19 is provided with three latches 38, to should on second link 20, being provided with three jacks 39 by latch 38, is connected forming plug between first link 19 and second link 20 with this.
Like Fig. 5 and shown in Figure 6, use the safety problem that exists in the operating process in order to solve blood collecting pen, on adjusting ring 4 end faces of first link 19, be provided with a push rod 21, this push rod 21 stretches out and points to second link 20 from first link 19.
As shown in Figure 7, a body 2 is axially arranged with one section body 22 to corresponding said push rod 21 in middle cover 9 upper edges of second link 20, and body 22 offers slot 23 vertically on the tube wall of push rod 21 1 ends, and slot 23 radially runs through tube wall at a body 2.
Like Fig. 9 and shown in Figure 10, the sidepiece of said Rhizoma Belamcandae 7 extends an elastic arm 24, and the cantilever end of elastic arm 24 is provided with door bolt 25, and the front portion of door bolt 25 is provided with a door bolt tongue 26, and the rear portion is provided with a latch dog 27.In a body 2 footpath upwards, the width of door bolt 25 is greater than the width of push rod 21.
As shown in Figure 8; Said slot 23 is connected and composed by one section sliding tray 28, one section lead-over groove 29 and one section locked groove 30 on axially at a body 2 successively; In a body 2 footpaths upwards; The width of sliding tray 28 and locked groove 30 is greater than the width of door bolt 25, and the width of lead-over groove 29 is greater than the width of push rod 21, simultaneously less than the width of door bolt 25.The junction of sliding tray 28 and lead-over groove 29 is formed with and stops shoulder 31; Lead-over groove 29 is formed with locked shoulder 32 with the junction of locked groove 30; The end of locked shoulder 32 is provided with kayser inclined-plane 33, and said trigger button 10 is positioned at locked groove 30 tops, and kayser inclined-plane 33 is towards trigger button 10.Said push rod 21 is declined inclined-plane 34 and is formed in the space with kayser inclined-plane 33 and intersect or/and the end of door bolt tongue 26 is provided with and declines inclined-plane 34.
Respectively this utility model is described by user mode below:
1. the blood taking needle state is installed
Shown in figure 11; Separate with a body 2 when written 1; And shooting spring 8 is when being in free state, and door bolt 25 is arranged in sliding tray 28, under this state during to socket 36 plug-in mounting blood taking needles 35; Plug-in mounting thrust forces the latch dog 27 at door bolt 25 rear portion 31 to cooperate with stopping shoulder, thus stop fasten with a bolt or latch 25 from sliding tray 28 to locked groove 30 slips.
In the process of plug-in mounting blood taking needle 35, plug-in mounting thrust moves door bolt 25 backward in sliding tray 28, see Figure 12 and Figure 13.When door bolt 25 moves to sliding tray 28 rear ends, stop that shoulder 31 stops that door bolt 25 continues to move backward, thereby stop to move backward, see Figure 14 and Figure 15.After blood taking needle 35 was in place, under the effect of shooting spring 8, door bolt reached original position 25 time.After installing blood taking needle 35, if there is not nib 1 on the plug-in mounting, owing to the barrier effect that stops shoulder 31, whole blood collecting pen not stretchy tail handle 16 gets into the preceding lock-out state of emission.This is one of key character of embodying in order to realize using handling safety of this utility model.
2. battery
Shown in figure 16; When nib 1 is inserted a body 2 connections; Push rod 21 inserts sliding tray 28 and lead-over groove 29 thereupon, and push rod 21 promotes door bolt 25 and elastic arm 24 to the distortion of a body 2 inside bend through declining inclined-plane 34 during insertion, and begins to cross over lead-over groove 29 from lead-over groove 29 belows.This process can find out from Figure 17 ~ Figure 24 that wherein, Figure 17 and Figure 18 represent that 1 o'clock push rod 21 of plug-in mounting nib moves through door bolt 25 a promotion Rhizoma Belamcandae 7 backward; Figure 19 and Figure 20 represent that push rod 21 forces door bolt 25 and elastic arm 24 to be out of shape to a body 2 inside bend; Figure 21 and Figure 22 represent that door bolt 25 begins to cross over lead-over groove 29 and moves backward from lead-over groove 29 belows; Figure 23 and Figure 24 represent that the good nib of plug-in mounting 1 back door bolt 25 crosses over the plot of lead-over groove 29 from lead-over groove 29 belows.
The pulled backwards tail was shaken hands 16 o'clock under this state; Rhizoma Belamcandae 7 drives door bolt 25 through elastic arm 24 and all crosses over lead-over groove 29 from the below and get into the locked groove 30; When tail handle 16 sets back; Under the elastic force combined effect of elastic force and the elastic arm 24 of shooting spring 8, in the bayonet socket that the kayser inclined-plane 33 that door bolt 25 a forward door bolt tongue 26 are resisted against locked shoulder 32 and push rod 21 ends form, and get into the preceding lock-out state of emission.This process can find out from Figure 25 ~ Figure 28, and wherein, Figure 25 and Figure 26 represent that the pulled backwards tail shook hands at 16 o'clock, and Rhizoma Belamcandae 7 drives door bolt 25 through elastic arm 24 and all crosses over lead-over groove 29 from the below and get into locked groove 30; Figure 27 and Figure 28 represent to get into the preceding lock-out state of emission.
3. emission and return state
Shown in figure 29, when pressing trigger button 10, trigger button 10 acts on door bolt 25, and door bolt tongue 26 to lower slider, gets into the shooting state along kayser inclined-plane 33 until breaking off relations.This process can find out from Figure 30 and Figure 31 that wherein, the state when Figure 30 representes to press trigger button 10 is fastened a state of 25 unhook with a bolt or latch when Figure 31 representes to press trigger button 10.Emission back Rhizoma Belamcandae 7 bounces back under the effect of back-moving spring 14, and the needle point of emission back blood taking needle 35 can not exposed.
4. extract written state during battery
Shown in figure 32; Under the lock-out state before emission; When nib 1 when a body 2 is extracted, push rod 21 is extracted out from sliding tray 28 and lead-over groove 29 thereupon, this moment is under the resilient force of shooting spring 8; Door bolt tongue 26 upwards slides into locked shoulder 32 end faces and forms locking state along kayser inclined-plane 33, trigger button 10 pushes inefficacy under this state.This process can find out from Figure 33 ~ Figure 36 that wherein, Figure 33 and Figure 34 represent to extract 25 resilience and locked on locked shoulder 32 of written 1 o'clock door bolt; Figure 35 and Figure 36 represent to extract the plot that nib 1 back trigger button 10 is pushed inefficacy.This moment, whole blood collecting pen was in locking state, and this also is two of the key character that embodies in order to realize using handling safety of this utility model.
In a word, this utility model is mainly reflected in following two aspects in order to realize the use handling safety of blood collecting pen:
The first, when operator's plug-in mounting blood taking needle, plug-in mounting thrust can not make the trigger mechanism of blood collecting pen get into lock-out state in advance.And when not plugging nib, even pulling tail handle can not make the trigger mechanism of blood collecting pen get into lock-out state in advance yet.Can avoid the injury that possibly cause to the operator like this because of maloperation emission.
The second, when blood collecting pen is in battery, if the nib of extracting can not trigger the trigger mechanism of blood collecting pen.Even the operator presses button also can't trigger the trigger mechanism of blood collecting pen in this case.Can avoid the operator because of running into the injury that button possibly cause to the operator because of carelessness like this.
In addition; Referring to shown in Figure 29; For the operator can discern the residing state of trigger mechanism in the blood collecting pen easily, be provided with transparent circle 17 at the afterbody of a body 2, and be provided with indication cover 15 (sign redly) at the afterbody of Rhizoma Belamcandae 7; During lock-out state before Rhizoma Belamcandae 7 is in emission, indication cover 15 is located axially at transparent circle 17 positions in a body 2 inside.When the operator observes transparent circle 17 and identifies redly, the lock-out state before trigger mechanism in blood collecting pen this moment is in emission is described; When the operator observes transparent circle 17 and do not identify redly, explain that trigger mechanism is in free state in blood collecting pen this moment.
The foregoing description only is the technical conceive and the characteristics of explanation this utility model, and its purpose is to let the personage who is familiar with this technology can understand content of this utility model and enforcement according to this, can not limit the protection domain of this utility model with this.All equivalences of being done according to this utility model spirit change or modify, and all should be encompassed within the protection domain of this utility model.
Claims (4)
1. a safety blood collecting pen is made up of nib (1) and a body (2) two parts, and nib (1) inside is provided with ejection chamber vertically; The front end of ejection chamber is provided with needle outlet (37); Be equipped with Rhizoma Belamcandae (7) and shooting spring (8) in the body (2), Rhizoma Belamcandae (7) head is provided with the socket (36) of plug-in mounting blood taking needle (35), and a body (2) sidepiece is provided with trigger button (10); Body (2) afterbody is provided with tail handle (16); The rear end of nib (1) is as first link (19), and the front portion of a body (2) is characterized in that being provided with second link (20) by first link (19):
Said first link (19) is connected with second link (20) plug;
Said first link (19) is provided with a push rod (21), and this push rod (21) stretches out and points to second link (20) from first link (19);
Corresponding said push rod (21) is axially arranged with one section body (22) at second link (a 20) upper edge body (2); Body (22) offers slot (23) vertically on the tube wall of push rod (21) one ends, slot (23) radially runs through tube wall at a body (2);
The sidepiece of said Rhizoma Belamcandae (7) extends an elastic arm (24), and the cantilever end of elastic arm (24) is provided with door bolt head (25), and the front portion of door bolt head (25) is provided with a door bolt tongue (26), and the rear portion is provided with a latch dog (27); In a body (2) footpath upwards, the width of door bolt head (25) is greater than the width of push rod (21);
Said slot (23) is axially gone up at a body (2) and is connected and composed successively by one section sliding tray (28), one section lead-over groove (29) and one section locked groove (30); In a body (2) footpath upwards; The width of sliding tray (28) and locked groove (30) is greater than the width of door bolt head (25); The width of lead-over groove (29) is greater than the width of push rod (21), simultaneously less than the width of fastening head (25) with a bolt or latch; The junction of sliding tray (28) and lead-over groove (29) is formed with and stops shoulder (31), and lead-over groove (29) is formed with locked shoulder (32) with the junction of locked groove (30); Said trigger button (10) is positioned at locked groove (30) top; Said push rod (21) is declined inclined-plane (34) or/and the end of door bolt tongue (26) is provided with;
When nib (1) is separated with a body (2); And shooting spring (8) is when being in free state; Door bolt head (25) is arranged in sliding tray (28); Under this state during to socket (36) plug-in mounting blood taking needle (35), plug-in mounting thrust forces the latch dog (27) at door bolt head (25) rear portion to cooperate with stopping shoulder (31), thereby prevention is fastened (25) with a bolt or latch and slided to locked groove (30) from sliding tray (28); When nib (1) is inserted a body (2) connection; Push rod (21) inserts sliding tray (28) and lead-over groove (29) thereupon; Push rod (21) promotes door bolt head (25) and the distortion of elastic arm (24) Xiang Bishen (2) inside bend through declining inclined-plane (34) during insertion; When the pulled backwards tail is shaken hands (16) under this state; Rhizoma Belamcandae (7) drives door bolt head (25) through elastic arm (24) and gets into the locked groove (30) from below leap lead-over groove (29), and gets into the lock-out state before the emission.
2. safety blood collecting pen according to claim 1; It is characterized in that: the end of said locked shoulder (32) is provided with kayser inclined-plane (33); Kayser inclined-plane (33) is towards trigger button (10), kayser inclined-plane (33) with decline inclined-plane (34) and in the space, form and intersect;
When setting back after tail handle (16) pulling; Under the elastic force combined effect of elastic force and the elastic arm (24) of shooting spring (8), in the kayser inclined-plane (33) that door bolt head (25) forward door bolt tongues (26) are resisted against locked shoulder (32) and the bayonet socket of push rod (21) end formation; When pressing trigger button (10), trigger button (10) acts on door bolt head (25), and door bolt tongue (26) to lower slider, gets into the shooting state along kayser inclined-plane (33) until breaking off relations; Under the lock-out state before emission; When nib (1) from a body (2) when extracting; Push rod (21) is extracted out from sliding tray (28) and lead-over groove (29) thereupon; Door bolt tongue (26) upwards slid into locked shoulder (32) end face along kayser inclined-plane (33) and formed locking state under the resilient force of shooting spring (8) this moment, trigger button under this state (10) push inefficacy.
3. safety blood collecting pen according to claim 1 and 2; It is characterized in that: said first link (19) is provided with latch (38); To should on second link (20), being provided with jack (39) by latch (38), be connected forming plug between first link (19) and second link (20) with this.
4. safety blood collecting pen according to claim 1 and 2; It is characterized in that: said body (2) afterbody is provided with transparent circle (17); Rhizoma Belamcandae (7) afterbody is provided with indication cover (15); When Rhizoma Belamcandae (7) was in the lock-out state before launching, indication cover (15) was located axially at transparent circle (17) position in a body (2) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204407324U CN202313357U (en) | 2011-11-09 | 2011-11-09 | Safety blood sampling pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204407324U CN202313357U (en) | 2011-11-09 | 2011-11-09 | Safety blood sampling pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202313357U true CN202313357U (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204407324U Withdrawn - After Issue CN202313357U (en) | 2011-11-09 | 2011-11-09 | Safety blood sampling pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202313357U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579057A (en) * | 2011-11-09 | 2012-07-18 | 苏州施莱医疗器械有限公司 | Safety blood lancet |
| WO2013067759A1 (en) * | 2011-11-09 | 2013-05-16 | 苏州施莱医疗器械有限公司 | Safe blood sampling pen |
| CN103932715A (en) * | 2014-04-04 | 2014-07-23 | 苏州科技城施莱医疗器械有限公司 | Infant peripheral blood collecting device with safety buckle rotary locking function and retreating-prevention type pushing key |
-
2011
- 2011-11-09 CN CN2011204407324U patent/CN202313357U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579057A (en) * | 2011-11-09 | 2012-07-18 | 苏州施莱医疗器械有限公司 | Safety blood lancet |
| WO2013067760A1 (en) * | 2011-11-09 | 2013-05-16 | 苏州施莱医疗器械有限公司 | Safe blood sampling pen |
| WO2013067759A1 (en) * | 2011-11-09 | 2013-05-16 | 苏州施莱医疗器械有限公司 | Safe blood sampling pen |
| CN103932715A (en) * | 2014-04-04 | 2014-07-23 | 苏州科技城施莱医疗器械有限公司 | Infant peripheral blood collecting device with safety buckle rotary locking function and retreating-prevention type pushing key |
| CN103932715B (en) * | 2014-04-04 | 2016-04-20 | 苏州科技城施莱医疗器械有限公司 | Safety buckle twist lock and push away send out a key anti-back formula infant tip hemostix |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20131009 |
|
| RGAV | Abandon patent right to avoid regrant |