CN203138504U - Improved type safe lancing device - Google Patents
Improved type safe lancing device Download PDFInfo
- Publication number
- CN203138504U CN203138504U CN 201320122815 CN201320122815U CN203138504U CN 203138504 U CN203138504 U CN 203138504U CN 201320122815 CN201320122815 CN 201320122815 CN 201320122815 U CN201320122815 U CN 201320122815U CN 203138504 U CN203138504 U CN 203138504U
- Authority
- CN
- China
- Prior art keywords
- nib
- door bolt
- clamping block
- sliding tray
- link
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
An improved type safe lancing device is composed of a device head and a device body. The improved type safe lancing device is characterized in that the device head is connected with the device body in a plugging mode, a connection block is arranged at the connection end of the device head, and an inserting groove is formed in the connection end of the device body. The inserting groove comprises a sliding groove and a locking groove, wherein the sliding groove is located in the front of the locking groove, a bolt is arranged at the arm end of an elastic arm of an injection rod, a clamping port is formed in the front portion of the bolt, and a bolt hook is arranged on the rear portion of the bolt. The width of the sliding groove and the width of the locking groove are both larger than that of the bolt, a blocking shoulder is arranged at the rear end of the sliding groove, and a locking shoulder is arranged at the front end of the locking groove. The improved type safe lancing device resolves the safety problems possibly existing in a using operation process by means of the plugging structure between the device head and the device body, reduces plugging alignment requirements of the device head and the device body, improves using convenience, and resolves the problem of using inconvenience.
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 only is disposable use for fear of cross infection.The development of blood collecting pen has many decades history, wherein many stages have also been experienced in the improvement of blood collecting pen, blood collecting pen just progressively moves to maturity at present, but in the development course of blood collecting pen, the safety of use and convenience are the problem that those skilled in the art pay close attention to all the time.
On January 9th, 2013, Chinese patent CN102379705B bulletin authorized a name to be called the patent of invention of " a kind of safety blood taking pen ".This patent is connected nib with the safety of using the operation blood collecting pen and is associated with the plug of a body, utilization cleverly written with a body between plug be connected and solve the safety issue that may exist in the use operating process.But in actual applications, still find this design when the grafting of nib and a body, higher to instructions for use because the lead-over groove that the push rod on the written link is aimed on the body link can being inserted, so make troubles to use.Particularly for use object older, that have defective vision, add hands and tremble, be difficult to difficult nib is accurately aimed at a body and peg graft.Therefore, how to improve at prior art, reduce the grafting para-position requirement of nib and a body, improving the convenience that uses is the problem that this utility model need solve.
Summary of the invention
This utility model provides a kind of modified model safety blood taking pen, be intended to guarantee under the prerequisite of processing safety, reduce the grafting para-position requirement of nib and a body, improve the convenience that uses, solve the existing safety blood taking pen of pointing out in the background technology and have awkward problem.
For achieving the above object, the technical solution adopted in the utility model is: a kind of modified model safety blood taking pen, formed by nib and a body two parts, nib inside is provided with ejection chamber vertically, the front end of ejection chamber is provided with needle outlet, be 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, body afterbody is provided with the tail handle, and the rear end of nib is as first link, and the front portion of a body is to being provided with second link by first link, first link is connected with the plug of second link, and its innovation is:
The ejection chamber inwall of described first link is provided with a contiguous block, this contiguous block is provided with promotion face towards the second link direction, contiguous block is provided with projection towards ejection chamber cross-section center direction simultaneously, and this raised profile is taper, trapezoidal or circular arc at the axial cross section of nib;
Corresponding described contiguous block is axially arranged with one section body at second a link upper edge body, and body offers slot vertically on the tube wall of contiguous block one end, and slot radially runs through tube wall at a body;
The sidepiece of described 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 bayonet socket, and the rear portion is provided with a latch dog;
Described slot axially has one section sliding tray and one section locked groove at a body, sliding tray is positioned at locked groove the place ahead, directly make progress at a body, the width of sliding tray and locked groove is greater than the width of door bolt head, the front opening of sliding tray, the end face of sliding tray rear end forms and stops shoulder, and the end face of locked front of the slot forms click shoulder; Described trigger button is positioned at locked groove top, be provided with a clamping block between trigger button and the locked groove, clamping block is slidingly connected on the body, it is axial that glide direction is parallel to body, is provided with the locking spring between clamping block and the body, and the locking spring action is on the glide direction of clamping block, clamping block is provided with one and plays tongue or offer a window, this bullet tongue is a flexure strip that has cantilever, plays tongue between trigger button and locked groove, plays the unsettled setting of the relative clamping block of cantilever of tongue;
When nib and a status from the time, the locking spring forces clamping block to be in front position at sliding path, cantilever or the window that play tongue this moment are crossed click shoulder and are positioned at the click shoulder front upper place, and trigger button is in the lock state; Be under the free state at the shooting spring, door bolt head is arranged in sliding tray, and 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 under this state, slides to locked groove from sliding tray thereby stop to fasten with a bolt or latch;
When a nib insertion body connects, contiguous block inserts sliding tray thereupon, projection on the contiguous block promotes elastic arm to a body inside bend distortion by compressing door bolt head during insertion, force the latch dog of door bolt back of head to avoid stopping shoulder, the clamping block of the promotion face of contiguous block promotion simultaneously is mobile backward, drive the cantilever or the window that play tongue and avoid click shoulder, make trigger button enter released state, when under this state, pulling back the tail handle, Rhizoma Belamcandae drives the door bolt head by elastic arm and enters the locked groove from the leap of sliding tray below, when the tail handle sets back, under the elastic force combined effect of the elastic force of shooting spring and elastic arm, fasten procephalic bayonet socket kayser with a bolt or latch on click shoulder, make the lock-out state before Rhizoma Belamcandae enters emission; When pressing trigger button, trigger button by playing tongue cantilever or window role in the door bolt head, make bayonet socket along click shoulder to lower slider, enter the shooting state until unhook;
Under the lock-out state before Rhizoma Belamcandae is in emission, when nib is extracted from a body, contiguous block is extracted out from sliding tray thereupon, lock spring this moment forces clamping block to move forward to front position, the cantilever or the window that play tongue are crossed click shoulder and are positioned at the click shoulder front upper place, trigger button is in the lock state, and trigger button presses inefficacy under this state.
Related content in the technique scheme is explained as follows:
1. in the such scheme, described " front end ", " front portion ", " the place ahead " and in " forward " implication of " preceding " refer to the nib of blood collecting pen or the firing direction of blood taking needle.Described " rear end ", " rear portion " and in " backward " implication of " back " refer to the opposite direction of a tail or the blood taking needle firing direction of blood collecting pen.
2. in the such scheme, described " body is axial " refers to a body axis direction, also is the nib of blood collecting pen and the direction between the tail, perhaps is fore-and-aft direction.Described " body radially " refers to a body diametric(al), also is the horizontal of blood collecting pen.
3. in the such scheme, "up" and "down" is described with reference to this utility model direction shown in Figure 2 in described " top ", " making progress ", " below " and " downwards ".Because this utility model blood collecting pen can rotate around axis, so "up" and "down" is relative, need be with direction shown in Figure 2 as a reference.
4. in the such scheme, described clamping block front end is provided with a slide block, and when a nib insertion body connected, the promotion face of contiguous block contacted with the front end face of slide block, thereby it is mobile backward to promote clamping block.Corresponding described slide block, between sliding tray and locked groove, be provided with one section lead-over groove, slot is connected and composed successively by one section sliding tray, one section lead-over groove and one section locked groove on a body is axial, the width of lead-over groove is less than the width of door bolt head, the slide block of clamping block front end is arranged in lead-over groove under confined state, and is slidingly matched with lead-over groove.
5. in the such scheme, the ejection chamber inwall of described written first link is provided with the gathering sill of depression, to should gathering sill being provided with the guided way of protrusion at the tube wall of a body second link, when nib was inserted a body and connected, guided way cooperated with the gathering sill grafting.Described first link plugs on the mating surface that is connected with second link, and a side is provided with recess, and opposite side is provided with protuberance, and when a nib insertion body connected, protuberance cooperated with recess.
6. in the such scheme, described body afterbody is provided with transparent circle, and the Rhizoma Belamcandae afterbody is provided with indication cover, and during lock-out state before Rhizoma Belamcandae is in emission, indication is enclosed within a body inside and is located axially at the transparent circle position.
This utility model uses the safety problem that exists in the operating process in order to solve blood collecting pen, 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 set contiguous block and the pen set door bolt head matching relationship between this on set slot, clamping block and the Rhizoma Belamcandae elastic arm on one's body, thereby well solved the potential safety hazard that exists in the blood collecting pen use operating process.Safety of the present utility model mainly shows following two aspects: first, 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, when plug-in mounting thrust moves backward at drive door bolt head, 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 lock-out state before trigger mechanism not enter 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 enters emission, thereby solved the potential safety hazard that blood collecting pen may exist when blood taking needle is installed.Second, under the lock-out state of this utility model before emission, when nib is extracted from a body, contiguous block is extracted out from sliding tray thereupon, lock spring this moment forces clamping block to move forward to front position, and the front end that plays tongue is positioned at the click shoulder top, and trigger button is in the lock state, under this state trigger button press inefficacy, open the potential safety hazard that the blood collecting pen nib may exist thereby solved.
Push rod in the safety blood taking pen that this utility model is pointed out background technology is improved to contiguous block, increased the design of clamping block simultaneously, greatly reduce the grafting para-position requirement of nib and a body, improve the convenience that uses, solved the existing safety blood taking pen of pointing out in the background technology and had awkward problem.
Description of drawings
Accompanying drawing 1 is this utility model modified model safety blood taking pen embodiment three-dimensional exploded view;
Accompanying drawing 2 is this utility model modified model safety blood taking pen embodiment cutaway view;
State diagram when accompanying drawing 3 is extracted nib for this utility model modified model safety blood taking pen;
Accompanying drawing 4 is the adjusting ring axonometric chart in this utility model modified model safety blood taking pen nib;
Accompanying drawing 5 is the adjusting ring cutaway view in this utility model modified model safety blood taking pen nib;
Accompanying drawing 6 is the adjusting inner core axonometric chart in this utility model modified model safety blood taking pen nib;
Accompanying drawing 7 is the middle cover axonometric chart () in this utility model modified model safety blood taking pen body;
Accompanying drawing 8 is the partial enlarged drawing among Fig. 7;
Accompanying drawing 9 is the middle cover axonometric chart (two) in this utility model modified model safety blood taking pen body;
Accompanying drawing 10 is the partial enlarged drawing among Fig. 9;
Accompanying drawing 11 is the middle cover axonometric chart (three) in this utility model modified model safety blood taking pen body;
Accompanying drawing 13 is the mobile clamping block axonometric chart () in this utility model modified model safety blood taking pen body;
Accompanying drawing 14 is the mobile clamping block axonometric chart (two) in this utility model modified model safety blood taking pen body;
Accompanying drawing 15 is the Rhizoma Belamcandae front view in this utility model modified model safety blood taking pen body;
State diagram when accompanying drawing 17 is this utility model modified model safety blood taking pen installation blood taking needle;
Accompanying drawing 18 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 19 is to stop when blood taking needle is installed that shoulder stops the front view that the door bolt head moves backward;
Accompanying drawing 20 is the state diagram of plug-in mounting nib behind this utility model modified model safety blood taking pen installation blood taking needle;
To be plug-in mounting when nib contiguous block promote a Rhizoma Belamcandae mobile front view backward by the door bolt head with accompanying drawing 21;
Contiguous block forced door bolt head and elastic arm to a front view of body inside bend distortion when accompanying drawing 22 was the plug-in mounting nib;
Accompanying drawing 23 during for the plug-in mounting nib contiguous block against slide block and promote clamping block mobile front view backward;
Accompanying drawing 24 during for the plug-in mounting nib clamping block backward mobile unlocking play tongue and Rhizoma Belamcandae to the moving front view of travelling backwards;
Accompanying drawing 25 Rhizoma Belamcandae when pulling back the tail handle drives the door bolt head by elastic arm and begins to cross over lead-over groove and mobile front view backward from the below;
The state diagram that accompanying drawing 27 is pressed emission and return for this utility model modified model safety blood taking pen;
Accompanying drawing 28 is the state enlarged drawing when pressing trigger button;
Accompanying drawing 29 is the state enlarged drawing that the door bolt head breaks off relations when pressing trigger button;
State diagram when accompanying drawing 30 is extracted nib for launching under the preceding lock-out state;
Accompanying drawing 31 is pressed the front view of inefficacy (can't press) for extracting nib back trigger button under the preceding lock-out state of emission;
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. contiguous block; 22. body; 23. slot; 24. elastic arm; 25. door bolt head; 26. bayonet socket; 27. latch dog; 28. sliding tray; 29. lead-over groove; 30. locked groove; 31. stop shoulder; 32. click shoulder; 33. clamping block; 34. locking spring; 35. blood taking needle; 36. socket; 37. needle outlet; 38. gathering sill; 39. guided way; 40. bullet tongue; 41. promotion face; 42. projection; 43. slide block; 44. recess; 45. protuberance.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described:
Embodiment: a kind of modified model safety blood taking pen
As Fig. 1 ~ shown in Figure 2, this modified model safety blood taking 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. 2.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 14 parts: two of Rhizoma Belamcandae 7, shooting spring 8, middle cover 9, clamping block 33, locking spring 34(), 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 14 parts is seen Fig. 1, and assembly drawing is seen Fig. 2.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, fixedlys 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 is fixedly connected in tail handle 16, 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 mounted on the overcoat 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 3, nib 1 rear end is as first link 19, and the front portion of a body 2 plugs with second link 20 and is connected should first link 19 being provided with second link, 20, the first links 19.The gathering sill 38(that the ejection chamber inwall of first link 19 is provided with depression sees Fig. 3 and Fig. 6), the guided way 39(that should gathering sill 38 be provided with protrusion at body 22 outer walls of a body 2 second links 20 is seen Fig. 8, Figure 10 and Figure 12), when nib 1 was inserted a body 2 connections, guided way 39 was pegged graft with gathering sill 38 and is cooperated.In addition, plug on the mating surface that is connected with second link 20 at first link 19, first link 19 is provided with recess 44(and sees Fig. 3, Fig. 4 and Fig. 5), second link 20 is provided with protuberance 45(and sees Fig. 3, Fig. 8, Figure 10 and Figure 12), when nib 1 was inserted a body 2 connections, protuberance 45 cooperated with recess 44.Use the safety problem that exists in the operating process in order to solve blood collecting pen, be provided with a contiguous block 21(at the ejection chamber inwall of first link 19 and see Fig. 3).
As shown in Figure 4 and Figure 5, in fact described contiguous block 21 is located at the interior nose end (see figure 5) of adjusting ring 4, this contiguous block 21 is provided with promotion face 41 towards second link, 20 directions, contiguous block 21 is provided with projection 42 towards ejection chamber cross-section center direction simultaneously, and the profile of this projection 42 is taper, trapezoidal or circular arc (what draw among Fig. 5 is trapezoidal) at the axial cross section of nib 1.
As shown in Figure 6, be positioned at gathering sill 38 on first link 19 and be located at the nose end of regulating inner core 6, be used for second link 20 on guided way 39(see Fig. 8, Figure 10 and Figure 12) pegging graft cooperates.
As Fig. 7 ~ shown in Figure 12, corresponding described contiguous block 21 is axially arranged with one section body 22 at second link, 20 a upper edges body 2, and body 22 offers slot 23 vertically on the tube wall of contiguous block 21 1 ends, and slot 23 radially runs through tube wall at a body 2.
Described 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 successively at a body 2, sliding tray 28 is positioned at locked groove 30 the place aheads, 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, the width of lead-over groove 29 is less than the width of door bolt 25, the front opening of sliding tray 28, the end face of sliding tray 28 rear ends form and stop shoulder 31, and the end face of locked groove 30 front ends forms click shoulder 32.
As Figure 13 and shown in Figure 14, described trigger button 10 is positioned at locked groove 30 tops, be provided with a clamping block 33 between trigger button 10 and the locked groove 30, clamping block 33 is slidingly connected on the body 22, it is axial that glide direction is parallel to body 22, be provided with locking spring 34 between clamping block 33 and the body 22, locking spring 34 acts on the glide direction of clamping block 33, clamping block 33 a upper edges body 2 is axially arranged with one and plays tongue 40, this bullet tongue 40 is a flexure strip, play tongue 40 between trigger button 10 and locked groove 30, play the relative clamping block 33 unsettled settings of front end of tongue 40.Described clamping block 33 front ends are provided with a slide block 43, the slide block 43 of clamping block 33 front ends is arranged in lead-over groove 29 under confined state, and be slidingly matched with lead-over groove 29, when nib 1 is inserted a body 2 connections, the promotion face 41 of contiguous block 21 contacts with the front end face of slide block 43, thereby it is mobile backward to promote clamping block 33.
As Figure 15 and shown in Figure 16, the sidepiece of described 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 bayonet socket 26, and the rear portion is provided with a latch dog 27.
Respectively this utility model is described by user mode below:
1. the blood taking needle state is installed
As shown in figure 17, when nib 1 is separated with a body 2, be under the free state at shooting spring 8, 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 makes door bolt 25 mobile backward in sliding tray 28, sees Figure 18.When door bolt 25 moved to sliding tray 28 rear ends, it was mobile backward to stop that shoulder 31 stops that door bolt 25 continues, thereby stops to move backward, sees Figure 19.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 on the plug-in mounting nib 1, owing to stop the barrier effect of shoulder 31, whole blood collecting pen not stretchy tail handle 16 enters lock-out states before the emission.This is one of key property of embodying in order to realize using handling safety of this utility model.
2. battery
As shown in figure 20, when nib 1 is inserted a body 2 connections, contiguous block 21 inserts sliding tray 28 thereupon, projection on the contiguous block 21 42 is out of shape to a body 2 inside bend by compressing door bolt 25 a promotion elastic arm 24 during insertion, force the latch dog 27 at door bolt 25 rear portion to avoid stopping shoulder 31, the promotion face 41 promotion clamping blocks 33 of contiguous block 21 are mobile backward simultaneously, drive the front end that plays tongue 40 and avoid click shoulder 32, make trigger button 10 enter released state.This process can find out from Figure 21 ~ Figure 24 that wherein, it is mobile backward that Figure 21 represents that the projection 42 on the contiguous block 21 promotes Rhizoma Belamcandae 7; Figure 22 represents that contiguous block 21 forces door bolt 25 and elastic arm 24 to the distortion of a body 2 inside bend, and the promotion face 41 on this moment contiguous block 21 does not touch the slide block 43 on the clamping block 33; Figure 23 represents promotion face 41 on the contiguous block 21 against slide block 43 and to promote clamping block 33 mobile backward; Figure 24 represent clamping block 33 backward mobile unlocking play tongue 40 and Rhizoma Belamcandae 7 to the moving plot of travelling backwards.
Pulling back tail under this state shook hands 16 o'clock, Rhizoma Belamcandae 7 drives door bolt 25 by elastic arm 24 and crosses over lead-over groove 29 from sliding tray 28 belows and enter the locked groove 30, when tail handle 16 sets back, under the elastic force combined effect of the elastic force of shooting spring 8 and elastic arm 24, bayonet socket 26 kaysers of door bolt 25 front portion make the lock-out state before Rhizoma Belamcandae 7 enters emission on click shoulder 32.This process can find out from Figure 25 ~ Figure 26, and wherein, Figure 25 represents that Rhizoma Belamcandae 7 drives door bolt 25 by elastic arm 24 and begins to cross over lead-over groove 29 and mobile situation backward from the below; Figure 26 represents that door bolt 25 all crosses over lead-over groove 29 from the below and enter locked groove 30, and under the elastic force combined effect of shooting spring 8 and elastic arm 24, and bayonet socket 26 kaysers of door bolt 25 front portion enter the situation of lock-out state before the emission on click shoulder 32.
3. emission and return state
As shown in figure 27, when pressing trigger button 10, trigger button 10 acts on door bolt 25 by the front end that plays tongue 40, make bayonet socket 26 along click shoulder 32 to lower slider, enter the shooting state until unhook.This process can find out from Figure 28 and Figure 29, wherein, and the state when Figure 28 represents to press trigger button 10; The state that the bayonet socket 26 of door bolt 25 and click shoulder 32 broke off relations when Figure 29 represented to press trigger button 10.Emission back Rhizoma Belamcandae 7 bounces back under the effect of back-moving spring 14, makes the needle point of emission back blood taking needle 35 can not expose (seeing Figure 27).
4. extract written state during battery
As shown in figure 30, under the lock-out state before Rhizoma Belamcandae 7 is in emission, when nib 1 is extracted from a body 2, contiguous block 21 is extracted out from sliding tray 28 thereupon, lock spring 34 this moment forces clamping block 33 to move forward to front position, the front end that plays tongue 40 is positioned at click shoulder 32 tops, and trigger button 10 is in the lock state, and trigger button 10 presses inefficacy under this state.In other words, for this utility model only otherwise plug-in mounting nib 1, contiguous block 21 can not act on slide block 43, thereby it is mobile backward to promote clamping block 33, so trigger button 10 is in the lock state (see Figure 18 and Figure 19, the front end that plays tongue 40 rides on the click shoulder 32) all the time.This process can wherein, be extracted the situation that nib 1 back trigger button 10 is pressed inefficacy (can't press) as seen from Figure 31 under the lock-out state before Figure 31 represents to launch.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 enter lock-out state in advance.And when not plugging nib, even pulling tail handle also can not make the trigger mechanism of blood collecting pen enter lock-out state in advance.Can avoid the injury that may cause to the operator because of maloperation emission like this.
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 running into the injury that button may cause to the operator because of carelessness like this.
In addition, referring to shown in Figure 2, for the operator can identify the residing state of trigger mechanism in the blood collecting pen easily, afterbody at a body 2 is provided with transparent circle 17, and being provided with indication cover 15(at the afterbody of Rhizoma Belamcandae 7 identifies redly), 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, illustrate that trigger mechanism is in free state in blood collecting pen this moment.
At above-described embodiment, the issuable variation of this utility model is described below:
1. clamping block 33 a upper edges body 2 of putting down in writing among the above embodiment is axially arranged with one and plays cantilever that tongue 40(namely plays tongue 40 towards the front portion or the rear portion), change into laterally if will play tongue 40, the cantilever that namely plays tongue 40 also is feasible version towards the sidepiece of clamping block 33.
2. the clamping block of putting down in writing among the above embodiment 33 is provided with one and plays tongue 40, and to change window into also be feasible version (not providing diagram) if will play tongue 40.This moment trigger button 10 be by window role in door bolt 25, after window was removed with clamping block 33, trigger button 10 can't act on door bolt 25, thereby trigger button 10 is in the lock state.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to this utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. modified model safety blood taking pen, formed by nib (1) and a body (2) two parts, 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), 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), the front portion of body (2) is to being provided with second link (20) by first link (19), first link (19) is connected with second link (20) plug, it is characterized in that:
The ejection chamber inwall of described first link (19) is provided with a contiguous block (21), this contiguous block (21) is provided with promotion face (41) towards second link (20) direction, contiguous block (21) is provided with projection (42) towards ejection chamber cross-section center direction simultaneously, and the profile of this projection (42) is taper, trapezoidal or circular arc at the axial cross section of nib (1);
Corresponding described contiguous block (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 contiguous block (21) one ends, slot (23) radially runs through tube wall at a body (2);
The sidepiece of described 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 bayonet socket (26), and the rear portion is provided with a latch dog (27);
Described slot (23) axially has one section sliding tray (28) and one section locked groove (30) at a body (2), sliding tray (28) is positioned at locked groove (30) the place ahead, 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 front opening of sliding tray (28), the end face of sliding tray (28) rear end forms and stops shoulder (31), and the end face of locked groove (30) front end forms click shoulder (32); Described trigger button (10) is positioned at locked groove (30) top, be provided with a clamping block (33) between trigger button (10) and the locked groove (30), clamping block (33) is slidingly connected on the body (22), it is axial that glide direction is parallel to body (22), be provided with locking spring (34) between clamping block (33) and the body (22), locking spring (34) acts on the glide direction of clamping block (33), clamping block (33) is provided with one and plays tongue (40) or offer a window, this bullet tongue (40) is a flexure strip that has cantilever, play tongue (40) and be positioned between trigger button (10) and the locked groove (30), play the unsettled setting of the relative clamping block of cantilever (33) of tongue (40);
When nib (1) and a body (2) when separating, locking spring (34) forces clamping block (33) to be in front position at sliding path, play cantilever or the window of tongue (40) and cross click shoulder (32) and be positioned at click shoulder (32) front upper place this moment, and trigger button (10) is in the lock state; Be under the free state at shooting spring (8), 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 stops door bolt head (25) to slide from sliding tray (28) to locked groove (30);
When nib (1) is inserted a body (2) connection, contiguous block (21) inserts sliding tray (28) thereupon, projection (42) on the contiguous block (21) promotes the distortion of elastic arm (24) Xiang Bishen (2) inside bend by compressing door bolt head (25) during insertion, force the latch dog (27) at door bolt head (25) rear portion to avoid stopping shoulder (31), the promotion face (41) of contiguous block (21) promotion clamping block (33) is mobile backward simultaneously, drive the cantilever or the window that play tongue (40) and avoid click shoulder (32), make trigger button (10) enter released state, when under this state, pulling back tail handle (16), Rhizoma Belamcandae (7) drives door bolt head (25) by elastic arm (24) and enters the locked groove (30) from the leap of sliding tray (28) below, when tail is shaken hands (16) when setting back, under the elastic force combined effect of the elastic force of shooting spring (8) and elastic arm (24), bayonet socket (26) kayser of door bolt head (25) front portion makes the lock-out state before Rhizoma Belamcandae (7) enters emission on click shoulder (32); When pressing trigger button (10), trigger button (10) by playing tongue (40) cantilever or window role in door bolt head (25), make bayonet socket (26) along click shoulder (32) to lower slider, enter the shooting state until unhook;
Under the lock-out state before Rhizoma Belamcandae (7) is in emission, when nib (1) from a body (2) when extracting, contiguous block (21) is extracted out from sliding tray (28) thereupon, lock spring (34) this moment forces clamping block (33) to move forward to front position, the cantilever or the window that play tongue (40) are crossed click shoulder (32) and are positioned at click shoulder (32) front upper place, trigger button (10) is in the lock state, trigger button under this state (10) press inefficacy.
2. modified model safety blood taking pen according to claim 1, it is characterized in that: described clamping block (33) front end is provided with a slide block (43), when nib (1) is inserted a body (2) connection, the promotion face (41) of contiguous block (21) contacts with the front end face of slide block (43), thereby it is mobile backward to promote clamping block (33).
3. modified model safety blood taking pen according to claim 2, it is characterized in that: corresponding described slide block (43), between sliding tray (28) and locked groove (30), be provided with one section lead-over groove (29), slot (23) is axially gone up at a body (2) to be connected and composed successively by one section sliding tray (28), one section lead-over groove (29) and one section locked groove (30), the width of lead-over groove (29) is less than the width of door bolt head (25), the slide block (43) of clamping block under confined state (33) front end is arranged in lead-over groove (29), and is slidingly matched with lead-over groove (29).
4. modified model safety blood taking pen according to claim 1, it is characterized in that: the ejection chamber inwall of described nib (1) first link (19) is provided with the gathering sill (38) of depression, to should gathering sill (38) be provided with the guided way (39) of protrusion at body (22) outer wall of a body (2) second links (20), when nib (1) was inserted a body (2) connection, guided way (39) was pegged graft with gathering sill (38) and is cooperated.
5. modified model safety blood taking pen according to claim 4, it is characterized in that: described first link (19) plugs on the mating surface that is connected with second link (20), one side is provided with recess (44), opposite side is provided with protuberance (45), when nib (1) was inserted a body (2) connection, protuberance (45) cooperated with recess (44).
6. modified model safety blood taking pen according to claim 1, it is characterized in that: described body (2) afterbody is provided with transparent circle (17), Rhizoma Belamcandae (7) afterbody is provided with indication cover (15), during lock-out state before Rhizoma Belamcandae (7) is in emission, indication cover (15) is located axially at transparent circle (17) position in a body (2) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122815 CN203138504U (en) | 2013-03-18 | 2013-03-18 | Improved type safe lancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122815 CN203138504U (en) | 2013-03-18 | 2013-03-18 | Improved type safe lancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203138504U true CN203138504U (en) | 2013-08-21 |
Family
ID=48966068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320122815 Withdrawn - After Issue CN203138504U (en) | 2013-03-18 | 2013-03-18 | Improved type safe lancing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203138504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103156621A (en) * | 2013-03-18 | 2013-06-19 | 苏州施莱医疗器械有限公司 | Improved safe blood-sampling pen |
| CN108903953A (en) * | 2014-05-21 | 2018-11-30 | 广州市银睿投资咨询有限公司 | A kind of safety type blood collecting needle construction |
-
2013
- 2013-03-18 CN CN 201320122815 patent/CN203138504U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103156621A (en) * | 2013-03-18 | 2013-06-19 | 苏州施莱医疗器械有限公司 | Improved safe blood-sampling pen |
| CN103156621B (en) * | 2013-03-18 | 2014-09-17 | 苏州施莱医疗器械有限公司 | Improved safe blood-sampling pen |
| WO2014146560A1 (en) * | 2013-03-18 | 2014-09-25 | 苏州施莱医疗器械有限公司 | Improved safe blood sampling pen |
| CN108903953A (en) * | 2014-05-21 | 2018-11-30 | 广州市银睿投资咨询有限公司 | A kind of safety type blood collecting needle construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103156621B (en) | Improved safe blood-sampling pen | |
| CN102379705B (en) | Safety blood sampling pen | |
| CN102579057B (en) | Safety blood lancet | |
| CN202313356U (en) | Safety blood sampling pen | |
| US8388639B2 (en) | Lancing devices | |
| CN101466310B (en) | Lancet assembly | |
| CN103142238B (en) | Improved safety blood collection pen | |
| CN109512437B (en) | Needle type blood sampling pen without cap dismounting | |
| US20150045824A1 (en) | Sleeve For Removable Lancet of Lancing Device | |
| CN110141250B (en) | Needle-type blood sampling pen without removing cap and with needle removing protection | |
| CN111419242B (en) | Prevent that maloperation from unloading blood sampling pen of needle after loading | |
| CN203138504U (en) | Improved type safe lancing device | |
| WO2019080822A1 (en) | Lancing device capable of preventing needle unloading caused by misoperations | |
| EP3513749A1 (en) | Disposable shielded safety surgical scalpel | |
| CN103860181B (en) | Improved safe lancing device | |
| CN108514422B (en) | Blood sampling pen with needle unloading protection | |
| WO2023051557A1 (en) | Method for preventing false triggering of head-press-type disposable safety blood collection device | |
| CN202313357U (en) | Safety blood sampling pen | |
| CN111419240B (en) | Blood sampling pen convenient to needle-prick cap is unloaded | |
| CN201939345U (en) | Needle-unloading mechanism of blood-sampling pen | |
| US20230309879A1 (en) | Lancing device utilizing tail handle to load and adjust depth | |
| CN113995407B (en) | Simple head pressing type disposable safety hemostix | |
| CN111419241B (en) | Blood sampling pen capable of preventing needle from being detached due to misoperation after loading | |
| CN210673330U (en) | Exempt from to unload cap loading and unloading needle type blood sampling pen with unload needle protection | |
| CN111419243B (en) | Blood sampling pen capable of loading and adjusting depth by using tail handle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20140917 |
|
| RGAV | Abandon patent right to avoid regrant |