CN209311170U - Magnetic force detects pen - Google Patents

Abstract

The utility model relates to a kind of magnetic force to detect pen, including shell, the quill being slidably matched with it is equipped in the shell, the shell is provided with object placing cavity in the end of travel of quill, the object placing cavity is provided with sealing diaphragm, the front of the quill is provided with the collection head to cooperate with object placing cavity, mixing chamber is provided in the middle part of the quill, the rear portion of the quill is sliding combined with movable thimble, the front end of the collection head is provided with the capillary to collecting sample and bursting sealing diaphragm, the rear end of the collection head is provided with the feed pathway of connection capillary and mixing chamber, the stirring body moved back and forth under magneticaction is provided in the mixing chamber, reacting part is provided in the shell, the liquid that goes out of connection mixing chamber and reacting part after its bursting mixing chamber is provided in the movable thimble to lead to Road.The structure design of the utility model is reasonable, integrates sampling, reagent mixing, reaction, is stirred using magnetic force, efficiently convenient.

Description

Magnetic force detects pen

Technical field

The utility model relates to a kind of magnetic force to detect pen.

Background technique

In the application fields such as existing medical field, environment, animal and plant, generally carried out using common syringe needle Sampling, is diluted the mixing and stirring of liquid, because of the difference of dynamics, so that each sample stirring extent is different, centainly manually Experimental result is influenced in degree, is finally reacted with detection reacting part, or is directly reacted with detection reacting part, user Needing to use multiple test tools, used multiple test tools have a single function, and respectively independent, biggish space is occupied, And take time and effort, working efficiency is low, has biggish limitation.

By taking Conventional blood detects as an example, traditional blood testing, after collecting sample blood, need by hand by sample with Dilution is effectively mixed, and the sample after mixing is added to test paper and is reacted up, further according to test paper reaction result Judge testing result, there are problems for such method:

(1) in sample collection procedure, need using profession liquid-transfering device quantitatively draw in sample to dilution, by hand into Row mixes, but the operating force of different people is different, and the manually operated time is different, leads to the mixing of sample and dilution Degree is different, to influence the reaction result of test paper.

(2) after sample collection, in an open case, testing staff may touch sample, and there are lifes Object safety problem；

(3) traditional detection is for the result is that being determined using color, the judgement of individual naked eyes is had differences, identical knot Fruit different people may obtain Different Results, as a result can not unify interpretation with instrument.

Utility model content

In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a kind of magnetic force to detect pen, It is not only reasonable in design but also efficiently convenient.

In order to solve the above-mentioned technical problem, the technical solution of the utility model is: a kind of magnetic force detection pen, including shell, The quill being slidably matched with it is equipped in the shell, the shell is provided with glove in the end of travel of quill Chamber, the opening of the object placing cavity towards quill are provided with sealing diaphragm, the front of the quill be provided with to The collection head of object placing cavity cooperation, is provided with mixing chamber in the middle part of the quill, the rear portion of the quill is slidably matched There is movable thimble, the front end of the collection head is provided with the capillary to collecting sample and bursting sealing diaphragm, the acquisition The rear end of head is provided with the feed pathway of connection capillary and mixing chamber, is provided under magneticaction in the mixing chamber reciprocal The stirring body of movement is provided with reacting part in the shell, is provided in the movable thimble and connects after its bursting mixing chamber The liquid outlet channel of mixing chamber and reacting part.

Preferably, the reacting part includes Test paper.

Preferably, dilution is placed in the object placing cavity.

Preferably, the sealing diaphragm is sealed membrane.

Preferably, the mixing chamber includes the piston being slidably matched with quill, between the piston and quill Surround mixing chamber.

Preferably, the tail portion of the piston offers the recess portion worn out conducive to movable thimble.

Preferably, the stirring body is in spherical, is iron shot, plated film iron shot or magnetic bead.

Preferably, the shell, quill and movable thimble coaxial arrangement, the reacting part are parallel with quill Setting, the movable thimble and liquid outlet channel all have bending part, and the quill and movable thimble are each along axial-movement.

Preferably, the removable limited block being provided with to be clamped quill on the shell.

Compared with prior art, the utility model is provided with following the utility model has the advantages that the design of the utility model structure is simple, closes It manages, is compact, integrating sampling, reagent mixing, reaction, effectively sample is avoided to pollute, and be stirred using magnetic force, stirring is equal It is even, it is suitable for blood, saliva, secretion, the liquefied sperm of resolution, Sample dilution, aqueous solution, milk, tea, plant sample Extracting solution etc., be not limited only to pH value detection, be also applied for human body fluid disease detection, food safety detection, Animal diseases detection, Environmental security detection, and it is easily operated, independent packaging, the time is controllable, and testing result is accurate, can be used for hospital, community clinic, family Front yard, multiple places such as field scene, flexibility is high, and applicability is good, efficiently convenient, has broad application prospects.

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

Detailed description of the invention

Fig. 1 is the construction first state schematic diagram of the utility model embodiment.

Fig. 2 is second status diagram of construction of the utility model embodiment.

Fig. 3 is the construction third state schematic diagram of the utility model embodiment.

In figure: 1- shell, 2- quill, 3- object placing cavity, 4- seal diaphragm, 5- collection head, 6- mixing chamber, 7- movable top Needle, 8- capillary, 9- feed pathway, 10- stirring body, 11- liquid outlet channel, 12- Test paper, 13- piston, 14- limited block.

Specific embodiment

In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing, It is described in detail below.

As shown in Fig. 1 ~ 3, a kind of magnetic force detects pen, including shell 1, is equipped in the shell 1 and is slidably matched with it Quill 2, the shell 1 are provided with object placing cavity 3 in the end of travel of quill 2, and the object placing cavity 3 is towards quill 2 opening is provided with sealing diaphragm 4, and the front of the quill 2 is provided with gradually to seal adopting for cooperation with object placing cavity 3 Market-head 5, and the middle part of the quill 2 is provided with mixing chamber 6, and the rear portion of the quill 2 is sliding combined with movable thimble 7, the front end of the collection head 5 is provided with the capillary 8 to collecting sample and bursting sealing diaphragm 4, after the collection head 5 End is provided with the feed pathway 9 of connection capillary 8 and mixing chamber 6, is provided in the mixing chamber 6 and back and forth transports under magneticaction Dynamic stirring body 10 is provided with reacting part in the shell 1, is provided in the movable thimble 7 and connects after its bursting mixing chamber 6 Connect the liquid outlet channel 11 of mixing chamber 6 Yu reacting part；The collection head 5 played during stepping into object placing cavity 3 one it is close Envelope effect guarantees that dilution can drive the sample in capillary 8 to enter mixing chamber 6 through feed pathway 9, without seeping from the side It spills；The sample can be liquid or powder solid.

In the utility model embodiment, the reacting part includes Test paper 12；The Test paper 12 can be PH Test paper can also be other types test paper according to actual needs, can for colloidal gold method Test paper, emulsion technique Test paper, Fluorogenic quantitative detection test paper, dry chemical Test paper, chemical method Test paper etc., it is not limited to this.

In the utility model embodiment, dilution is placed in the object placing cavity 3.

In the utility model embodiment, the sealing diaphragm 4 be sealed membrane, the sealed membrane can by plastic film, Aluminium film or tin film are made, it is not limited to this.

In the utility model embodiment, the mixing chamber 6 includes the piston 13 being slidably matched with quill 2, described Mixing chamber 6 is surrounded between piston 13 and quill 2.

In the utility model embodiment, the tail portion of the piston 13 offers the recess portion worn out conducive to movable thimble 7, institute Piston 13 is stated to be made of rubber, silica gel or plastics, but not limited to this.

In the utility model embodiment, it is iron shot, plated film iron shot or magnetic bead that the stirring body 10, which is in spherical,.

In the utility model embodiment, the shell 1, quill 2 and movable thimble 7 are coaxially disposed, described anti- Portion is answered to be arranged in parallel with quill 2, the movable thimble 7 all has bending part, such as U-shaped, ramiform with liquid outlet channel 11 Deng not limited to this；The quill 2 is with movable thimble 7 each along axial-movement；The shell 1 is in liquid outlet channel 11 Outlet reacting part between through-hole is set, due to the movable thimble 7 after bursting piston 13 mixed liquor just along liquid outlet channel 11 outflows, then the through-hole is in long and narrow, and the width of the through-hole is greater than or equal to the size that liquid outlet channel 11 exports, described logical The length in hole is greater than or equal to carry out distance of the movable thimble 7 from bursting piston 13 to stop motion, and the terminal of the through-hole With liquid outlet channel 11 export stop motion terminal is overlapped, with guarantee mixed liquor can be introduced into or instill under the effect of gravity instead Portion is answered, reaction is completed.

In the utility model embodiment, the removable limited block being provided with to be clamped quill 2 on the shell 1 14。

The specific implementation process of the utility model is as follows: by taking blood collection as an example, taking out the quill 2, utilizes institute The capillary 8 for stating 5 front end of collection head completes blood collection, and collected blood sample Sample preservation is completed blood and adopted in capillary 8 The quill 2 of sample is packed into shell 1, loads onto the limited block 14, avoids 8 bursting object placing cavity of capillary using the limited block 14 3 sealing diaphragm 4 is conducive to transport, storage；When detection, the limited block 14 is removed, using described in the driving of artificial or driving device Quill 2 is moved towards object placing cavity 3, and quill 2 continues to move after sealing diaphragm 4 described in 8 bursting of capillary, in institute State during collection head 5 steps into object placing cavity 3, the dilution driving blood sample in the object placing cavity 3 together through capillary 8, Feed pathway 9 enters mixing chamber 6 and is mixed, and mixed liquor drives the piston 13 to step back, and the mixing chamber 6 incrementally increases, The collection head 5 is completely into object placing cavity 3,2 stop motion of quill；Man-hour manually hand-held magnet is filled using magnetic drive It sets and the reciprocating motion of stirring body 10 is driven to be stirred liquid, after stirring the predetermined time, stop stirring；It is driven using artificial or driving device The movable thimble 7 is moved towards the movement of mixing chamber 6 and bursting piston 13, the liquid outlet channel 11 will stir evenly in mixing chamber 6 Mixed liquor introduce Test paper 12 complete reaction.

In the utility model embodiment, the magnetic driving equipment includes stage body, is laterally set on the table top of the stage body It is equipped with the pallet to place magnetic force detection pen, is provided with the work for driving stirring body 10 to move using magnetic force above the pallet Kinetoplast, the stirring body 10 are magnet at least one in mobile；The stirring body 10 and mobile are magnet or institute State that stirring body 10 is made of magnet, mobile of ferromagnetic material or the mobile is magnet, stirring body 10 is by ferromagnetism object Matter is made, and is provided with detector below the detection platform, the shell 1 be provided at Test paper 12 to detection The visual windows that head matches.

The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model Other various forms of magnetic force detect pen out.All equivalent changes and modifications done according to present utility model application the scope of the patents, all The covering scope of the utility model should be belonged to.

Claims (9)

1. a kind of magnetic force detects pen, it is characterised in that: including shell, the movable sleeve being slidably matched with it is equipped in the shell Cylinder, the shell are provided with object placing cavity in the end of travel of quill, and the opening of the object placing cavity towards quill is arranged There is a sealing diaphragm, the front of the quill is provided with the collection head to cooperate with object placing cavity, in the quill Portion is provided with mixing chamber, and the rear portion of the quill is sliding combined with movable thimble, and the front end setting of the collection head is useful With collecting sample and bursting sealing diaphragm capillary, the rear end of the collection head be provided with connection capillary and mixing chamber into Liquid channel is provided with the stirring body moved back and forth under magneticaction in the mixing chamber, is provided with reacting part in the shell, The liquid outlet channel that mixing chamber and reacting part are connected after its bursting mixing chamber is provided in the movable thimble.

2. magnetic force according to claim 1 detects pen, it is characterised in that: the reacting part includes Test paper.

3. magnetic force according to claim 1 detects pen, it is characterised in that: be placed with dilution in the object placing cavity.

4. magnetic force according to claim 1 detects pen, it is characterised in that: the sealing diaphragm is sealed membrane.

5. magnetic force according to claim 1 detects pen, it is characterised in that: the mixing chamber includes to match with quill sliding The piston of conjunction surrounds mixing chamber between the piston and quill.

6. magnetic force according to claim 5 detects pen, it is characterised in that: the tail portion of the piston offers conducive to movable top The recess portion that needle is worn out.

7. magnetic force according to claim 1 detects pen, it is characterised in that: the stirring body is in spherical, is iron shot, plated film iron Pearl or magnetic bead.

8. magnetic force according to claim 1 detects pen, it is characterised in that: the shell, quill and movable thimble Coaxial arrangement, the reacting part are arranged in parallel with quill, and the movable thimble and liquid outlet channel all have bending part, described Quill and movable thimble are each along axial-movement.

9. magnetic force according to claim 1 detects pen, it is characterised in that: removable on the shell to be provided with to be clamped work The limited block of moving sleeve.