CN208297536U - Sample rack propulsive mechanism, sampling device and sample analyser - Google Patents

Abstract

This application provides a kind of sample rack propulsive mechanisms, including push plate, lifting structure and propulsive mechanism, wherein push plate with the side wall of sample rack for abutting to drive the sample rack to move synchronously；Lifting structure includes the first driving part and lifting assembly, and the push plate is arranged on the lifting assembly, and first driving part can drive the lifting assembly that the push plate is driven to move reciprocatingly along first direction；Push structure includes the second driving part and propulsion assembly, the lifting assembly is arranged on the propulsion assembly, and second driving part can drive the propulsion assembly that the lifting assembly and the push plate is driven to move reciprocatingly along the second direction vertical with the first direction.Present invention also provides a kind of sampling device and sample analysers.Above-mentioned sample rack propulsive mechanism, sampling device and sample analyser, it is ensured that the reliability and safety of sample introduction, and continuous sample introduction may be implemented, it is easy to use.

Description

Sample rack propulsive mechanism, sampling device and sample analyser

Technical field

This application involves sample analyser technical field, more particularly to a kind of sample rack propulsive mechanism, sampling device and Sample analyser.

Background technique

With the development of automatic control technology, automation equipment examines industry to be widely used in biomedicine, General full-automatic sample analyser generally includes automatic sampling apparatus to realize the auto-feed of sample.Traditional automatic sampling Device can use the structure of conveying track, and sample is put into area and the separation of sample propulsive mechanism, in this way when user is put into sample When area is put into new sample rack, system is not necessarily to suspend the movement of sample propulsive mechanism.If but being put into the initial position in area in sample It is put into new sample rack, when sample propulsive mechanism is moved from the final position that sample is put into area to the initial position that sample is put into area When, sample propulsive mechanism will bump against with new sample rack, so as to cause sample rack to tumble or movement mechanism is stuck.

Utility model content

Based on this, it is necessary in view of the above technical problems, provide a kind of sample rack propulsive mechanism, sampling device and sample point Analyzer can be avoided the case where sample rack propulsive mechanism bumps against in back off procedure with newly-increased sample rack, guarantee the reliable of sample introduction Property and safety.

A kind of sample rack propulsive mechanism, comprising:

Push plate is abutted for the side wall with sample rack to drive the sample rack to move synchronously；

Lifting structure, including the first driving part and lifting assembly, the push plate is arranged on the lifting assembly, described First driving part can drive the lifting assembly that the push plate is driven to move reciprocatingly along first direction；And

Push structure, including the second driving part and propulsion assembly, the lifting assembly are arranged on the propulsion assembly, Second driving part can drive the propulsion assembly to drive the lifting assembly and push plate edge and the first party It moves reciprocatingly to vertical second direction.

The lifting assembly includes lifting guiding parts, lifting carriage component and transmission in one of the embodiments, Component；The push plate is arranged on the lifting carriage component；

First driving part and the lifting guiding parts are arranged on the propulsion assembly, the lifting guiding The extending direction of component is consistent with the first direction；

First driving part is connected to the transmission parts, and first driving part can drive the driving section Part rotation；The transmission parts connect the lifting carriage component, and the lifting carriage component is placed in the lifting guiding parts On, the transmission parts are able to drive the lifting carriage component and move reciprocatingly along the first direction.

The transmission parts include rotating arm, idler wheel and are arranged in the lifting carriage in one of the embodiments, Transmission guide part on component offers the guide groove that can accommodate the idler wheel on the transmission guide part；

One end of the rotating arm is set on the output shaft of first driving part, and first driving part can The rotating arm is driven to rotate；

The other end of the rotating arm is arranged in the idler wheel, and the idler wheel rolling is matched in the guide groove；It is described Rotating arm is able to drive the idler wheel and moves in the guide groove, makes the transmission guide part and lifting carriage component edge The first direction moves synchronously.

The transmission parts include runner, idler wheel and are arranged in the lifting carriage portion in one of the embodiments, Transmission guide part on part offers the guide groove that can accommodate the idler wheel on the transmission guide part；

The runner is connected to first driving part, and first driving part can drive the runner to rotate；

The idler wheel is arranged on the runner, and the idler wheel rolling is matched in the guide groove, and the runner can The idler wheel is driven to move in the guide groove, so that the lifting carriage component is moved along the first direction.

In one embodiment, the axis line offset of the relatively described guide groove of the output shaft of first driving part is set It sets；

When first driving part drives the lifting assembly that the push plate is driven to push away along the first direction to described When into structure motion, the rotating arm can be abutted with the end wall of the guide groove；

Wherein, the central axes of the guide groove are parallel with the first direction.

The transmission parts are screw rod in one of the embodiments, or the transmission parts are toothed belt transmission knot Structure or the transmission parts are gear transmission structure.

The propulsion assembly includes promoting guiding parts, being arranged in the propulsion guide part in one of the embodiments, The first slide unit and the second slide unit and flexible connecting member on part；

Support base is provided on first slide unit, the lifting assembly is arranged on the support base；

Second slide unit is connected to the support base or first slide unit by the flexible connecting member, Second driving part can drive second slide unit to move along the second direction；

It is provided with the first detecting element on second slide unit, is provided on the support base and first detection Corresponding second detecting element of element, when the push plate moves to target position, first detecting element and described second The connection relationship of detecting element is changed into the second state by first state；

Wherein, the first state is contact condition, and second state is disengaged position, alternatively, the first state For disengaged position, second state is contact condition.

The first mounting portion is additionally provided on the support base in one of the embodiments, on second slide unit It is provided with pedestal, the second mounting portion is provided on the pedestal, one end of the flexible connecting member connects first mounting portion, The other end of the flexible connecting member connects second mounting portion；

The flexible connecting member is tension spring or pressure spring.

First detecting element is the signal radiated element being arranged on the pedestal in one of the embodiments,； Second detecting element is the signal detection component that the support base is arranged in towards the side of second slide unit；

Alternatively, first detecting element is the signal detection component being arranged on the pedestal, the second detection member Part is the signal radiated element that the support base is arranged in towards the side of second slide unit；

When the push plate moves to the target position, the company of the signal detection component and the signal radiated element It connects relationship and the second state is changed by first state.

In one of the embodiments, the signal radiated element be sensor, the signal detection component be baffle or Sensing chip.

Present invention also provides a kind of sampling devices, comprising:

For placing the sample loading apparatus of sample rack, transmission groove is offered on the bottom wall of the sample loading apparatus；

The sample rack propulsive mechanism of any of the above-described, the sample rack propulsive mechanism are placed under the sample loading apparatus The push plate in portion, the sample rack propulsive mechanism can stretch out and the sample in the sample loading apparatus from the transmission groove The side wall of frame abuts；And

Control device controls the push plate and is placed in during push plate is moved along initial position to extreme position direction Higher than the first position of the bottom wall of sample loading apparatus, it is placed between the current location and extreme position of the push plate with driving Sample rack moves synchronously；In the push plate along the motion process of the extreme position to the initial position direction, institute is controlled It states the second position that push plate is positioned below the bottom wall of the sample loading apparatus, the push plate and is placed in the sample loading apparatus Interior sample rack does not contact；

Wherein, the extreme position is placed in one end that the sample loading apparatus is connect with device for analyzing samples, described first Beginning position is placed in one end opposite with the extreme position.

In one of the embodiments, the sampling device further include for detect the push plate whether reach it is described initial The initial position detection element of position, and for detect the push plate whether reach the extreme position extreme position detection Element；

The initial position detection element and the limit position sensor are connected to the control device.

The quantity of the sample loading apparatus is two or more in one of the embodiments, and each sample loads The lower part of device is correspondingly arranged on the sample rack propulsive mechanism.

Each sample rack propulsive mechanism is correspondingly arranged on one for generating sample introduction in one of the embodiments, The signal trigger device of trigger signal, each signal trigger device are connect with the control device；

The signal trigger device is the start button being arranged on the sampling device or the trigger device is to set Set the touch-control control on interactive display unit；

Alternatively, being additionally provided with the removable bogey for placing sample rack, Mei Gesuo on the sample loading apparatus State the load detection device being provided on sample loading apparatus for detecting the removable bogey；The signal triggering Device is the load detection device.

Present invention also provides a kind of sample analysers, including sampling device described in any of the above embodiments.

Above-mentioned sample rack propulsive mechanism, sampling device and sample analyser, the sample rack propulsive mechanism have lifting knot Structure, push plate are placed on lifting structure, are moved reciprocatingly so that lifting structure is able to drive push plate along first direction, in this way, pushing away During plate retracts, push plate can be dropped to the lower part of sample loading apparatus by lifting structure, so that push plate and sample The sample rack being arranged in loading attachment does not contact, so as to avoid sample rack propulsive mechanism in back off procedure with newly-increased sample The case where frame bumps against, guarantee the reliability and safety of sample introduction.Meanwhile by the way that lifting knot is arranged on sample rack propulsive mechanism Structure, user can add new sample rack without suspending sample rack propulsive mechanism into sample loading apparatus, may be implemented continuous Sample introduction is easy to use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of sample rack propulsive mechanism in one embodiment；

Fig. 2 is the side view of sample rack propulsive mechanism in one embodiment；

Fig. 3 is the structural schematic diagram in the first motion state of sample rack propulsive mechanism in one embodiment；

Fig. 4 is the structural schematic diagram in the second motion state of sample rack propulsive mechanism in one embodiment；

Fig. 5 is the structural schematic diagram of sampling device in one embodiment；

Wherein: 100- sample rack propulsive mechanism；

110- push plate；

120- lifting structure；

The first driving part of 121-；122- lifting assembly；

1221- goes up and down guiding parts；1222- lifting carriage component；1223- transmission parts；

12231- rotating arm；12232- idler wheel；12233- is driven guide part；12234- guide groove；

130- push structure；

The second driving part of 131-；132- propulsion assembly；

1321- promotes guiding parts；

The first slide unit of 1322-；

13221- support base；The second detecting element of 13222-；The first mounting portion of 13223-；

The second slide unit of 1323-；

13231- pedestal；The first detecting element of 13232-；The second mounting portion of 13233-；

1324- flexible connecting member；

200- sample loading apparatus；

210- transmits groove；

300- sample rack.

Specific embodiment

It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not For limiting the application.

As depicted in figs. 1 and 2, the sample rack propulsive mechanism 100 of one embodiment of the application, to contain sample loading apparatus Sampling device in, the sample rack placed in the sample loading apparatus of sampling device can be pushed in device for analyzing samples. Specifically, which may include push plate 110, lifting structure 120 and push structure 130.Wherein, push plate 110 It can be abutted with the side wall of the sample rack of the placement in sample loading apparatus, so that push plate 110 is pushing sample rack movement During, the movement of sample rack is more stable.Optionally, which can have two and pawls, two intervals one of pawling Set a distance setting.Further, damping part can be set in push plate 110, to buffer contact of the push plate 110 with sample rack Power, so that the movement of sample rack is more stable.Optionally, which can be the component that silica gel etc. has pooling feature.

Lifting structure 120 may include the first driving part 121 and lifting assembly 122, and push plate 110 is arranged in lifting assembly On 122, the first driving part 121 can drive lifting assembly 122 that push plate 110 is driven to move reciprocatingly along first direction.Such as Fig. 1 Shown, first direction can be vertical direction, at this point, the first driving part 121 can drive lifting assembly 122 to drive push plate 110 move reciprocatingly along the vertical direction.Optionally, the extending direction of the first direction and sample loading apparatus in sampling device hangs down Directly, which is able to drive the first position for the bottom wall that push plate 110 rises to higher than sample loading apparatus, with sample The sample rack placed in loading attachment abuts, in order to drive sample rack to link in a second direction.Meanwhile lifting assembly 122 is also It is able to drive the second position that push plate 110 is decreased below the bottom wall of sample loading apparatus, the process to retract in this way in push plate 110 In, push plate 110 can be dropped to the lower part of sample loading apparatus by lifting structure 120, so that push plate 110 and sample load The sample rack placed in device does not contact, so as to avoid sample rack propulsive mechanism 100 in back off procedure with newly-increased sample The case where frame bumps against, guarantee the reliability and safety of sample introduction.Meanwhile it being gone up and down by being arranged on sample rack propulsive mechanism 100 Structure 120, user can add new sample rack without suspending sample rack propulsive mechanism 100 into sample loading apparatus, can be with It realizes continuous sample introduction, is easy to use.

As shown in Fig. 2, push structure 130 may include the second driving part 131 and propulsion assembly 132, lifting assembly 122 It is arranged on propulsion assembly 132, the second driving part 131 can drive propulsion assembly 132 to drive lifting assembly 122 and push plate 110 move reciprocatingly along the second direction vertical with first direction.As shown in Figure 1, second direction can be horizontally oriented, promote Component 132 can be horizontally disposed, and it is past that the second driving part 131 can drive propulsion assembly 132 to do in the horizontal direction Multiple movement, so that propulsion assembly 132 drives the lifting assembly 122 being arranged thereon and push plate 110 to move in the horizontal direction.It is optional Ground, the second direction is consistent with the extending direction of sample loading apparatus in sampling device, in this way, passing through the fortune of propulsion assembly 132 It is dynamic, the sample rack in sample loading apparatus can be pushed to inside device for analyzing samples from initial position.

In one embodiment, as shown in Figure 1, lifting assembly 122 may include lifting guiding parts 1221, lifting carriage Component 1222 and transmission parts 1223；First driving part 121 and lifting guiding parts 1221 are arranged at propulsion assembly 132 On, the extending direction for going up and down guiding parts 1221 is consistent with first direction.Optionally, which can be electricity Machine etc. can make the small volume of the lifting assembly by using motor as driving part, be convenient for integrated installation.It is optional Ground, the lifting guiding parts 1221 can be linear guide, linear bearing or guide post etc..In the embodiment of the present application, which is led It is linear guide to component 1221, lifting carriage component 1222 is the sliding block being arranged in the linear guide, the lifting carriage portion Part 1222 can move on the lifting guiding parts 1221 along first direction.First driving part 121 is connected to transmission parts 1223, the first driving part 121 can drive transmission parts 1223 to rotate；Transmission parts 1223 connect lifting carriage component 1222, lifting carriage component 1222 is placed on lifting guiding parts 1221, and transmission parts 1223 are able to drive lifting carriage component 1222 move reciprocatingly along first direction.Push plate 110 is arranged on lifting carriage component 1222, thus lifting carriage component 1222 Push plate 110 is able to drive to move synchronously along first direction.

Further, the quantity of the lifting guiding parts 1221 can be two, two lifting guiding parts 1221 intervals A certain distance is oppositely arranged on propulsion assembly 132.For example, as shown in Figure 1, two lifting guiding parts 1221 can be opposite It is symmetrical arranged in propulsion assembly 132.Correspondingly, the quantity of lifting carriage component 1222 may be two, two lifting carriages Component 1222 is separately positioned on two lifting guiding parts 1221, and two lifting carriage components 1222 link.The one of push plate 110 End is disposed therein on a lifting carriage component 1222, and the other end of push plate 110 is arranged in another lifting carriage component On 1222.

In one embodiment, transmission parts 1223 may include that rotating arm 12231, idler wheel 12232 and setting are rising Transmission guide part 12233 on slide unit 1222 drops, and idler wheel 12232 can be accommodated by being driven to offer on guide part 12233 Guide groove 12234.For example, the guide groove 12234 can be rectangular channel, the width of the guide groove 12234 can be equal to pipe wheel The length of diameter, the guide groove 12234 can be arranged according to the rotation angle of rotating arm 12231.

Wherein, one end of rotating arm 12231 is set on the output shaft of the first driving part 121, the first driving part 121 Rotating arm 12231 can be driven to rotate, the other end of rotating arm 12231 is arranged in idler wheel 12232, and idler wheel 12232 rolls cooperation In in guide groove 12234.When the first driving part 121 drives rotating arm 12231 to rotate, rotating arm 12231 is able to drive rolling Wheel 12232 moves in guide groove 12234, keeps transmission guide part 12233 and lifting carriage component 1222 synchronous along first direction Movement.As shown in Figure 1, rotating arm 12231 can band when the first driving part 121 drives rotating arm 12231 to rotate clockwise Dynamic idler wheel 12232 is moved from current location to the right side end wall of guide groove 12234, so that transmission guide part 12233 Part and lifting carriage component 1222 move downward, and then push plate 110 can be driven to move downward.When 121 band of the first driving part When dynamic rotating arm 12231 rotates counterclockwise, rotating arm 12231 can drive idler wheel 12232 from current location to guide groove 12234 Left side end wall movement so that transmission guide part 12233 and lifting carriage component 1222 move upwards, Jin Erke To drive push plate 110 to move upwards.

Further, the axis line offset setting of the relatively described guide groove of the output shaft of the first driving part；When described It is described when one driving part drives the lifting assembly that the push plate is driven to move along the first direction to the push structure Rotating arm can be abutted with the end wall of the guide groove；Wherein, the central axes of the guide groove are parallel with the first direction.From And it can be by the rotation of the setting limitation rotating arm 12231 of 12234 length of guide groove, to realize the self-locking of lifting assembly 122 Function.I.e. when first driving part drives the lifting assembly that the push plate is driven to move downward along the first direction When, after rotating arm turns to the position perpendicular with the extending direction of guide groove, rotating arm rotate by a certain angle again can with lead It is abutted to the end wall of slot, in this way when elevating mechanism powers off, rotating arm 12231 is already supported in the end wall with guide groove 12234 The position connect, rotating arm 12231 will not continue to rotation to drive push plate 110 to move, to pass through the rotation of limitation rotating arm 12231 The function that cuts off self-lock of lifting structure 120 may be implemented in gyration.

In one embodiment, transmission parts 1223 may include runner, idler wheel 12232 and be arranged in lifting carriage portion Transmission guide part 12233 on part 1222 is driven on guide part 12233 and offers the guide groove that can accommodate idler wheel 12232 12234；Runner is connected to the first driving part 121, and the first driving part 121 can drive runner to rotate；Idler wheel 12232 is arranged On runner, the rolling of idler wheel 12232 is matched in guide groove 12234, and runner is able to drive idler wheel 12232 in guide groove 12234 Interior movement, so that lifting carriage component 1222 is moved along first direction.Optionally, the length of the guide groove 12234 can basis The rotation angle of rotating arm 12231 is arranged, so as to pass through the setting limitation rotating arm 12231 of 12234 length of guide groove Rotation, to realize the self-locking function of lifting assembly 122.

In one embodiment, transmission parts 1223 can be screw rod or transmission parts 1223 are toothed belt transmission knot Structure or transmission parts 1223 are gear transmission structure.For example, when transmission parts 1223 are screw rod, the first driving part 121 It can connect to the stem of screw rod, lifting carriage component 1222 can connect to the ball being arranged on stem, drive when first When dynamic component 121 drives stem rotation, ball can drive lifting carriage component 1222 to move up and down.For another example, driving section Part 1223 can be toothed belt transmission structure, which may include two synchronous pulleys and synchronous belt, two Synchronous pulley is arranged along the extending direction of lifting guiding parts 1221, and synchronous belt is sheathed on two synchronous pulleys, the first driving Component 121 can drive synchronous belt movement by synchronous pulley.Lifting carriage component 1222 can be set on synchronous belt, thus Lifting carriage component 1222 is able to drive push plate 110 and moves up and down.For another example, transmission parts 1223 can be gear drive knot Structure, the gear transmission structure may include the gear connecting with the first driving part 121 and the rack gear engaged with gear, the rack gear Lifting carriage component 1222 can be arranged along first direction can be set on rack gear.In this way, when the first driving part 121 drives When gear rotates, gear can drive rack movement, thus the synchronous fortune of lifting carriage component 1222 that rack drives are arranged thereon It is dynamic.Several implementations of merely exemplary illustration herein are not intended as the specific restriction of structure.

In one embodiment, as shown in Figures 2 to 4, propulsion assembly 132 may include promoting guiding parts 1321, setting It sets and is promoting the first slide unit 1322 and the second slide unit 1323 and flexible connecting member 1324 on guiding parts 1321. The flexible connecting member 1324 has Telescopic, for example, the flexible connecting member 1324 can be pressure spring or tension spring.

Support base 13221 is provided on first slide unit 1322, lifting assembly 122 is arranged on support base 13221.Tool Body, the first driving part 121 and lifting guiding parts 1221 are arranged on support base 13221.Second slide unit 1323 Connect the second driving part 131, the second driving part 131 can electronic second slide unit 1323 move in a second direction, and Second slide unit 1323 is connected to support base 13221 or the first slide unit 1322 by flexible connecting member 1324, thus the Two slide units 1323 are able to drive the first slide unit 1322 and the lifting assembly 122 being arranged thereon and push plate 110 along second Direction linkage.Optionally, the second driving part 131 can be with synchronous belt driving structure.Second slide unit 1323 can pass through cunning Rotation connection is connected to conveyer belt, which can drive the second slide unit 1323 to move.Certainly, in other embodiments In, which can also be the structures such as motor or cylinder.

It is provided with the first detecting element 13232 on second slide unit 1323, is provided on support base 13221 and the first inspection Survey corresponding second detecting element 13222 of element 13232, when push plate 110 moves to target position, the first detecting element 13232 and second the connection relationship of detecting element 13222 the second state is changed by first state；Wherein, first state is to connect Touching state, the second state are disengaged position, alternatively, first state is disengaged position, the second state is contact condition.Optionally, First detecting element 13232 can be the signal radiated element being arranged on pedestal 13231, such as sensor；Second detection member Part 13222 is the signal detection component that support base 13221 is arranged in towards the side of the second slide unit 1323, such as baffle or sense Answer piece etc..Alternatively, the first detecting element 13232 is the signal detection component being arranged on pedestal 13231, such as baffle or sensing chip Deng；Second detecting element 13222 is that signal transmitting member of the support base 13221 towards the side of the second slide unit 1323 is arranged in Part, such as sensor.When push plate 110 moves to target position, the connection relationship of signal detection component and signal radiated element Second state is changed by first state.It should be understood that the target position of push plate 110 herein can be push plate 110 Extreme position pushes away when being also possible to the sample rack of the front end between push plate 110 and device for analyzing samples and moving to extreme position The current location of plate 110.That is, the target position of the push plate 110 refers to the position that push plate 110 can not move forward It sets.Wherein, extreme position is placed in one end that sample loading apparatus is connect with device for analyzing samples, and initial position is placed in and limit position Set opposite one end.

Optionally, signal radiated element can be opposite type sensor, and signal detection component can be to be inserted into this to penetrating The baffle of sensor.Certainly, in other embodiments, signal radiated element can also be range sensor, signal detection component It can be the sensing chip matched with the range sensor.Alternatively, signal radiated element can also be pressure sensor, signal inspection Surveying element can be the sensing chip matched with the pressure sensor.Several implementations of merely exemplary illustration herein, It is not intended as the specific restriction of structure.

Optionally, it is additionally provided with the first mounting portion 13223 on support base 13221, is provided on the second slide unit 1323 Pedestal 13231, the second mounting portion 13233 is provided on pedestal 13231, and one end of flexible connecting member 1324 connects the first mounting portion 13223, the other end of flexible connecting member 1324 connects the second mounting portion 13233.Optionally, flexible connecting member 1324 be tension spring or Pressure spring.

The working method of the push structure 130 is exemplified below:

For example, the flexible connecting member 1324 is tension spring, the first detecting element 13232 is to be arranged on support base 13221 Baffle, the second detecting element 13222 are the opposite type sensor being arranged on pedestal 13231.The is driven in the second driving part 131 During two slide units 1323 are moved to device for analyzing samples position, the first slide unit 1322 and the second sliding part Part 1323 moves synchronously, and the first detecting element 13232 and the contact of the second detecting element 13222, i.e. baffle are inserted into opposite type sensor In, as shown in Figure 3.When the first slide unit 1322 drives push plate 110 to move to target position, the retard motion of push plate 110 It can not continue to move to device for analyzing samples direction.At this point, the second slide unit 1323 can be in the second driving part 131 Drive under continue to move so that the first detecting element 13232 and the second detecting element 13222 are detached from, as shown in figure 4, The signal of sensor can have the case where jump at this time.So as to according to the first detecting element 13232 and the second detecting element 13222 state judges whether push plate 110 has moved to target position.

For another example, which is pressure spring, and the first detecting element 13232 is to be arranged on support base 13221 Baffle, the second detecting element 13222 are the opposite type sensor being arranged on pedestal 13231.The is driven in the second driving part 131 During two slide units 1323 are moved to device for analyzing samples position, the first slide unit 1322 and the second sliding part Part 1323 moves synchronously, and the first detecting element 13232 and the second detecting element 13222 are detached from, as shown in Figure 4.When the first sliding When component 1322 drives push plate 110 to move to target position, the retard motion of push plate 110 can not continue to device for analyzing samples institute It is moved in direction.At this point, the second slide unit 1323 can continue to move under the drive of the second driving part 131, to make It obtains the first detecting element 13232 and the second detecting element 13222 is mating, as shown in figure 3, the signal of sensor can be deposited at this time The case where jumping.So as to judge push plate according to the state of the first detecting element 13232 and the second detecting element 13222 Whether 110 have moved to target position.

In traditional technology, usually in target position installation sensor whether in place to detect push plate 110 or sample rack, but it is single There are errors for one sensor installation and induction, are easy to cause testing result inaccurate.In the embodiment of the present application, by second First detecting element 13232 is set on slide unit 1323, second detecting element is set on the first slide unit 1322 13222, and above-mentioned the first slide unit 1322 and the second slide unit 1323, Neng Gouti are connected by flexible connecting member 1324 The accuracy and sensitivity of high 110 detection and localization of push plate, and can be damaged to avoid sample rack.

As shown in figure 5, the embodiment of the present application also provides a kind of sampling device, including sample loading apparatus 200, sample push away Into mechanism 100 and control device.Wherein, sample loading apparatus 200 is for placing sample rack 300, the sample loading apparatus 200 One end docked with device for analyzing samples.On the extending direction of the sample loading apparatus 200, the fortune of push plate 110 can be set Dynamic initial position and extreme position, wherein extreme position is placed in one that sample loading apparatus 200 is connect with device for analyzing samples End, initial position are placed in one end opposite with extreme position.Sample rack propulsive mechanism 100 can be using in any of the above-described embodiment Sample rack propulsive mechanism 100, specifically may refer to described above, details are not described herein again.

Transmission groove 210 is offered on the bottom wall of sample loading apparatus 200, the transmission groove 210 is along sample loading apparatus 200 extending direction setting.Optionally, the start position of the transmission groove 210 can be above-mentioned initial position, and the transmission is recessed The final position of slot 210 can be above-mentioned extreme position.Optionally, when the quantity of push plate 110 is one, groove 210 is transmitted Quantity can be provided accordingly to one.When push plate 110 tool there are two it is spaced pawl when, transmit groove 210 number Amount can be provided accordingly to two, and two transmission grooves 210 respectively correspond two settings of pawling, as shown in Figure 5.Sample rack pushes away The lower part of sample loading apparatus 200 is placed in into mechanism 100, the push plate 110 of sample rack propulsive mechanism 100 can be from transmission groove It stretches out in 210 and is abutted with the side wall of the sample rack in sample loading apparatus 200.

Optionally, it can be used for placing removable bogey, such as hand basket in the sample loading apparatus 200, this is removable Dynamic bogey is for placing sample rack 300.It is right with above-mentioned transmission groove 210 to offer on the bottom wall of the removable bogey The groove answered, the push plate 110 of such sample rack propulsive mechanism 100 can stretch out recessed on transmission groove and removable bogey Slot is abutted with the side wall of the sample rack in removable bogey.

Control device is used for during push plate 110 is moved from initial position to extreme position direction, controls push plate 110 Be placed higher than the first position of the bottom wall of sample loading apparatus, with drive be placed in push plate 110 current location and extreme position it Between sample rack move synchronously；In push plate 110 along the motion process of extreme position to initial position direction, push plate 110 is controlled It is positioned below the second position of the bottom wall of sample loading apparatus, push plate 110 does not connect with the sample rack being placed in sample loading apparatus Touching.In this way, can exist during push plate 110 retracts from extreme position to initial position to avoid sample rack propulsive mechanism 100 The case where bumping against in back off procedure with newly-increased sample rack, guarantee the reliability and safety of sample introduction.Meanwhile by being pushed away in sample rack Lifting structure 120 is set on into mechanism 100, and user can be into sample loading apparatus without suspending sample rack propulsive mechanism 100 New sample rack is added, continuous sample introduction may be implemented, is easy to use.

Optionally, sampling device further includes the initial position detection member that initial position whether is reached for detecting push plate 110 Part, and whether reach the limit of for detecting push plate 110 the extreme position detecting element of position；Initial position detection element and pole Extreme position detecting element is connected to control device.Optionally, which can be setting in initial position Sensor, which can be the sensor that extreme position is arranged in.

Further, control device be also used to whenever receive state limit position sensor transmission transducing signal determination push away When plate 110 moves to extreme position, then controls the second driving part 131 and drive propulsion assembly 132 and push plate 110 thereon along pole Extreme position to initial position direction move, and push plate 110 along the direction of extreme position to initial position move pre-determined distance or After preset time, the first driving part 121 of control drives lifting assembly 122 to move, and push plate 110 is made to be positioned below the sample dress Carry the second position for the bottom wall set.For example, when limit position sensor detects the second slide unit 1323, control device It can determine that push plate 110 has moved to extreme position according to the transducing signal that limit sensor transmits, at this point, control device can It is retracted with controlling direction of the push plate 110 from extreme position to initial position.Optionally, control device can control push plate 110 from Extreme position retracts to the direction of initial position, until push plate 110 moves to initial position.Also, in push plate 110 along limit position After setting direction movement pre-determined distance or the preset time of initial position, control device can control 121 band of the first driving part Dynamic lifting assembly 122 moves, and push plate 110 is made to be positioned below the second position of the bottom wall of the sample loading apparatus.In this way, when pushing away After plate 110 moves pre-determined distance or preset time along the direction of extreme position to initial position, before push plate 110 and extreme position In the presence of the distance that can hide push plate 110, guarantee that push plate 110 can move to the second position.

Further, control device is also used to when push plate 110 moves to initial position from extreme position, then controls One driving part 121 drives lifting assembly 122 to move, and push plate 110 is made to be placed higher than first of the bottom wall of sample loading apparatus It sets, and the second driving part of secondary control 131 drives the propulsion assembly 132 and push plate 110 along the initial position described in again The direction of extreme position moves；If the current location for being detected above the push plate 110 twice in succession is the extreme position, The push plate 110 for then controlling the sample rack propulsive mechanism 100 pauses at home.In the embodiment of the present application, if control device When receiving the transducing signal of limit position sensor more than twice in succession, then control device can determine the sample loading apparatus Interior no specimen frame, at this point it is possible to which the push plate 110 for controlling the sample rack propulsive mechanism 100 pauses at home.Wherein, safety Position can be initial position, and when push plate 110 is placed in home, push plate 110 can be positioned below sample loading apparatus The second position of bottom wall or push plate 110 are placed higher than the first position of the bottom wall of sample loading apparatus.

Optionally, home may be located between initial position and extreme position.At this time when push plate 110 is placed in safety When position, push plate 110 is positioned below the second position of the bottom wall of sample loading apparatus.That is, working as sample rack propulsive mechanism When 100 pause motion, the push plate 110 of the sample rack propulsive mechanism 100 is positioned below the second of the bottom wall of sample loading apparatus It sets, will affect the load operation of sample rack to avoid the push plate for being placed in first position.

In one embodiment, the quantity of sample loading apparatus is two or more, and the lower part of each sample loading apparatus is equal It is correspondingly arranged on sample rack propulsive mechanism 100.Control device is also used to the push plate 110 in current sample rack propulsive mechanism from the limit When position moves to initial position, then the first driving part 121 for controlling current sample rack propulsive mechanism drives its lifting assembly 122 movements, make the push plate 110 of current sample rack propulsive mechanism be placed higher than the first of the bottom wall of its corresponding sample loading apparatus Position, and the second driving part 131 of the current sample rack propulsive mechanism of secondary control drives propulsion assembly 132 and 110 edge of push plate again Initial position is moved to the direction of extreme position.If being detected above the push plate of current sample rack propulsive mechanism 100 twice in succession 110 current location is extreme position, then the push plate 110 for controlling current sample rack propulsive mechanism 100 pauses at home, And the sample introduction trigger signal of next sample rack propulsive mechanism is obtained, it is touched according to the sample introduction of next sample rack propulsive mechanism It signals to control next sample rack propulsive mechanism setting in motion.Current sample rack is even detected above twice in succession to push away When moving to extreme position into the push plate 110 of mechanism 100, then the push plate 110 for controlling current sample rack propulsive mechanism 100 pauses at Home, and the push plate 110 for controlling next sample rack propulsive mechanism 100 moves to initial position, controls later next The push plate 110 of sample rack propulsive mechanism 100 moves to the first position higher than next sample loading apparatus bottom wall, and under control The push plate 110 of one sample rack propulsive mechanism 100 is moved from initial position to extreme position.

Optionally, which can be selected automatically by control device, for example, control device It is next sample that the corresponding sample rack propulsive mechanism 100 of next sample loading apparatus for being mounted with sample rack can be selected automatically This propulsive mechanism 100.Specifically, which is also used to stop at security bit in the push plate of current sample rack propulsive mechanism When setting, then the motion state of current sample rack propulsive mechanism is switched to halted state from sample introduction state, and according to current sample The halted state of frame propulsive mechanism obtains the sample introduction trigger signal of next sample rack propulsive mechanism.

Optionally, which can also manually set.Specifically, each sample rack promotes Mechanism 100 is correspondingly arranged on a signal trigger device, moves for controlling respective sample frame propulsive mechanism 100, Mei Gexin Number trigger device is connect with control device.The signal trigger device can be the start button being arranged on sampling device, may be used also To be the touch-control control being arranged on interactive display unit, the start button being such as shown on Trackpad.It is pushed away in current sample rack When being in sample introduction state into mechanism 100, user can trigger the start button of other sample rack propulsive mechanisms 100, control device Next sample rack pusher can be determined according to the successive trigger sequence of the start button of other sample rack propulsive mechanisms 100 Structure 100.

Optionally, the removable bogey for placing sample rack, such as hand basket are additionally provided on sample loading apparatus, The load detection device for detecting removable bogey is provided on each sample loading apparatus；Signal triggering dress It is set to the load detection device.I.e. when load detection device detects that removable bogey is put into sample loading apparatus, The sample introduction trigger signal of the corresponding sample rack propulsive mechanism of the sample loading apparatus then can be generated.

Further, which is also used to when the sample introduction trigger signal for receiving current sample rack propulsive mechanism 100, And other sample rack propulsive mechanisms 100 other than current sample rack propulsive mechanism 100 are in when suspending sample introduction state, then are controlled The lifting structure 120 of current sample rack propulsive mechanism 100 drives push plate 110 to move to the of the bottom wall higher than sample loading apparatus One position, and the push structure 130 for controlling current sample rack propulsive mechanism 100 drives pushing away for current sample rack propulsive mechanism 100 Plate 110 is moved along the direction of initial position to extreme position, to start the sample introduction of current sample rack propulsive mechanism 100.Work as reception To the sample introduction trigger signal of current sample rack propulsive mechanism 100, and at least one sample other than current sample rack propulsive mechanism 100 When this propulsive mechanism 100 is in sample introduction state, then the sample rack propulsive mechanism 100 in sample introduction state is waited to be switched to temporarily When stopping sample introduction state, then control current sample rack propulsive mechanism 100 lifting structure 120 drive push plate 110 move to higher than sample The first position of the bottom wall of this loading attachment, and the push structure 130 for controlling current sample rack propulsive mechanism 100 drives current sample The push plate 110 of this propulsive mechanism 100 is moved along the direction of initial position to extreme position, to start current sample rack pusher The sample introduction of structure 100.

Below in conjunction with the course of work of the sampling device of Detailed description of the invention the embodiment of the present application:

User can trigger the corresponding start button of current sample rack propulsive mechanism 100, control current sample rack pusher Structure setting in motion, the current sample rack delivery device is in sample introduction state at this time.Wherein, the current sample rack propulsive mechanism 100 Corresponding start button can be the button being arranged on sampling device, can also be the touch-control being arranged on interactive display unit Control, the push button shown such as display.It certainly, in other embodiments, can also be by moving putting for bogey Enter or take out the sample introduction trigger signal as current sample rack propulsive mechanism 100.

Control device can control current sample rack propulsive mechanism 100 and move according to received sample introduction trigger signal To initial position.Later, control device control lifting structure 120 drives push plate 110 to move to the bottom higher than sample loading apparatus The first position of wall enables push plate 110 and the side wall for the sample rack being placed between push plate 110 and extreme position to abut, band The dynamic sample rack being placed between the current location and extreme position of push plate 110 moves synchronously.Meanwhile control device can control and push away Push plate 110 is driven to move along the direction of initial position to extreme position into structure 130.

Drive push plate 110 along the motion process in the direction of initial position to extreme position in push structure 130, control dress The connection status that can obtain the first detecting element 13232 and the second detecting element 13222 in real time is set, when the first detecting element 13232 and second connection status of detecting element 13222 when being converted to the second state from first state, it is determined that be placed in push plate The sample rack of front end between 110 current location and extreme position moves to extreme position.At this point, control device can be controlled Push plate 110 processed moves pre-determined distance from current location to initial position, so that the sample rack of front end and other sample racks or pushing away There is certain gap, in order to which the sample rack of the front end to be pushed in device for analyzing samples between plate 110.Optionally, The pre-determined distance can be greater than or equal to the width of 1 sample rack.The pre-determined distance can be greater than or equal to the width of push plate 110 Degree, is not specifically limited herein.After the sample rack of the front end is pushed to device for analyzing samples, control device can be after Continuous control push component drives push plate 110 to move to extreme position, until detecting the position detection of the second slide unit 1323 Signal.When control device receives the position detection signal of the second slide unit 1323 of the transmission of limit position sensor, Control device can determine that push plate 110 has moved to extreme position, and sample rack is not present between push plate 110 and extreme position, I.e. push plate 110 pushes to whole sample racks in device for analyzing samples.

When control device determines that the current location of push plate 110 is extreme position, i.e., control device has determined push plate 110 When whole sample racks is pushed in device for analyzing samples, then control device can control the drive of the second driving part 131 Propulsion assembly 132 is moved along the direction of extreme position to initial position, is transported in push plate 110 along extreme position to initial position direction After dynamic pre-determined distance or preset time, control device can control the first driving part 121 and lifting assembly 122 driven to move, Push plate 110 is set to be positioned below the second position of the bottom wall of sample loading apparatus, until push plate 110 returns to initial position.Specifically, Drive push plate 110 along the motion process in the direction of extreme position to initial position in push structure 130, control device control rises Drop structure 120 drives push plate 110 to move to the second position of the bottom wall lower than sample loading apparatus, push plate 110 and is placed in sample Sample rack in loading attachment does not contact.

Optionally, when push plate 110 returns to initial position from extreme position, control device can control the first driving part 121 drive lifting assembly 122 to move, and so that push plate 110 is placed higher than the first position of the bottom wall of sample loading apparatus, and secondary control again Making the second driving part 131 drives propulsion assembly 132 and push plate 110 to move along the direction of initial position to extreme position.Work as When push plate 110 returns to initial position from extreme position, control device can control push plate 110 and execute secondary push operation.At this point, If there are sample rack between the current location and extreme position of push plate 110, push plate 110 can successively be pushed to sample rack Inside device for analyzing samples, specific motion process is as described above.

If sample rack is not present between the current location and extreme position of push plate 110, at this point, push plate 110 is by first motion To extreme position, limit position sensor can continuous two detect push plate 110.Therefore, if being detected above twice in succession The current location of push plate 110 is extreme position, then control device can control the push plate 110 of sample rack propulsive mechanism 100 temporarily It is parked in home, current sample rack propulsive mechanism 100 is switched to pause sample introduction state by sample introduction state.

In one embodiment, the quantity of sample loading apparatus is two or more, and each sample loading apparatus is correspondingly arranged There is sample rack propulsive mechanism 100.Each sample rack propulsive mechanism is provided with corresponding signal trigger device.Wherein, each sample This corresponding signal trigger device of propulsive mechanism 100 can be the start button being arranged on sampling device, can also be and sets Set the touch-control control on interactive display unit, the push button shown such as display.Certainly, in other embodiments, may be used also To be put into or take out the sample introduction trigger signal as current sample rack propulsive mechanism 100 by removable bogey.Below By taking the sampling device comprising two sample loading apparatus as an example, illustrate the course of work of the sampling device:

User can trigger the corresponding signal trigger device of first sample rack propulsive mechanism 100, control first sample This delivery device setting in motion, to realize beginning automatic sampling.Later, control device can be touched according to received sample introduction It signals, controls first sample rack propulsive mechanism 100 and move to initial position.Control device controls first sample rack and pushes away Send the lifting structure 120 of mechanism that push plate 110 thereon is driven to move to higher than the first corresponding sample of sample rack propulsive mechanism 100 The first position of the bottom wall of this loading attachment, enable the push plate 110 of first sample delivery device be placed in first The side wall of sample rack between the push plate 110 and extreme position of sample rack propulsive mechanism 100 abuts, and drive is placed in push plate 110 Sample rack between current location and extreme position moves synchronously.Meanwhile control device can control first sample rack and promote The propulsive mechanism of mechanism 100 drives push plate 110 to move along the direction of initial position to extreme position.

Drive push plate 110 along initial position to extreme position in the push structure 130 of first sample rack propulsive mechanism 100 Direction motion process in, control device can obtain first detecting element of first sample rack propulsive mechanism 100 in real time 13232 and second detecting element 13222 connection status, when the first detecting element of first sample rack propulsive mechanism 100 13232 and second connection status of detecting element 13222 when being converted to the second state from first state, it is determined that be placed in first The sample rack of front end between the current location and extreme position of the push plate 110 of sample rack propulsive mechanism 100 moves to the limit Position.At this point, control device can control the push plate 110 of first sample rack propulsive mechanism 100 from current location to initial bit Movement pre-determined distance is set, so that there is certain gap between the sample rack of front end and other sample racks or push plate 110, so as to It is pushed in device for analyzing samples in by the sample rack of the front end.Optionally, which can be greater than or equal to 1 sample This width.The pre-determined distance can be greater than or equal to the width of push plate 110, be not specifically limited herein.When front end Sample rack is pushed to device for analyzing samples, and control device can continue first sample rack propulsive mechanism 100 of control Push component drives push plate 110 to move to extreme position, until detecting second sliding of first sample rack propulsive mechanism 100 The position detection signal of component 1323.When control device receives the extreme position sensing of first sample rack propulsive mechanism 100 When the position detection signal of the second slide unit 1323 of the transmission of device, control device can determine first sample rack pusher The push plate 110 of structure 100 has moved to extreme position, and sample rack, i.e. push plate 110 are not present between push plate 110 and extreme position Whole sample racks is pushed in device for analyzing samples.

When control device determines that the current location of the push plate 110 of first sample rack propulsive mechanism 100 is extreme position, I.e. control device determines that whole sample racks is pushed to sample by the push plate 110 of first sample rack propulsive mechanism 100 When in analytical equipment, then the second driving part 131 drive that control device can control first sample rack propulsive mechanism 100 pushes away It is moved into component 132 along the direction of extreme position to initial position.When 110 edge of push plate of first sample rack propulsive mechanism 100 After extreme position moves pre-determined distance or preset time to the direction of initial position, control device can control device and can control The first driving part 121 for making first sample rack propulsive mechanism 100 drives lifting assembly 122 to move, and makes first sample rack The push plate 110 of propulsive mechanism 100 is positioned below the second position of the bottom wall of sample loading apparatus.In first sample rack pusher The push structure 130 of structure 100 drives push plate 110 along the motion process in the direction of extreme position to initial position, control device The lifting structure 120 for controlling first sample rack propulsive mechanism 100 drives push plate 110 to move to the bottom lower than sample loading apparatus The second position of wall, the push plate 110 of first sample rack propulsive mechanism 100 do not connect with the sample rack being placed in sample loading apparatus Touching.

Optionally, when the push plate 110 of first sample rack propulsive mechanism 100 returns to initial position from extreme position, control The first driving part 121 that device processed can control first sample rack propulsive mechanism 100 drives lifting assembly 122 to move, and makes The push plate 110 of first sample rack propulsive mechanism 100 is placed higher than the first position of the bottom wall of sample loading apparatus, and secondary control again The second driving part 131 for making first sample rack propulsive mechanism 100 drives propulsion assembly 132 and push plate 110 along initial position It is moved to the direction of extreme position.I.e. when the push plate 110 of first sample rack propulsive mechanism 100 returns to initial bit from extreme position When setting, the push plate 110 that control device can control first sample rack propulsive mechanism 100 executes secondary push operation.At this point, such as There are sample rack between the current location and extreme position of the push plate 110 of first sample rack propulsive mechanism 100 of fruit, then first The push plate 110 of sample rack propulsive mechanism 100 can successively push to sample rack inside device for analyzing samples, specific motion process As described above.

If sample is not present between the current location and extreme position of the push plate 110 of first sample rack propulsive mechanism 100 Frame, at this point, the push plate 110 of first sample rack propulsive mechanism 100 is by first motion to extreme position, limit position sensor can Push plate 110 is detected with continuous two.If being detected above the push plate 110 of first sample rack propulsive mechanism 100 twice in succession Current location be extreme position, then control first sample rack propulsive mechanism 100 push plate 110 pause at home, First sample rack propulsive mechanism 100 is switched to pause sample introduction state by sample introduction state, and controls second sample rack and promote Mechanism 100 moves.Specifically, if first sample rack propulsive mechanism 100 is switched to pause sample introduction state by sample introduction state, The sample introduction trigger signal of second sample rack propulsive mechanism 100 can be obtained, and controls second sample rack propulsive mechanism 100 and cuts It is changed to sample introduction state, the sample introduction process of second sample rack propulsive mechanism 100 and the sample introduction of first sample rack propulsive mechanism 100 Process is identical, and details are not described herein again.When sample rack in second corresponding sample loading apparatus of sample rack propulsive mechanism 100 of completion Push when, at this point, then by second sample rack propulsive mechanism 100 be switched to pause sample introduction state, first sample rack is pushed away Sample introduction state is switched into mechanism 100.In this way, it is (any need to only to trigger one-shot button during sampling device sample introduction The corresponding start button of one sample rack propulsive mechanism), the connection of multiple sample rack propulsive mechanisms in the sampling device can be realized Dynamic control, facilitates operation.

Certainly, each sample rack propulsive mechanism can share the same signal trigger device, at this point, when user triggers the letter When number trigger device, then control device can control each sample rack propulsive mechanism alternating movement respectively according to preset order, with Realize the sample introduction operation of each sample loading apparatus.

Alternatively, multiple sample rack propulsive mechanisms can individually be controlled by respective signal trigger device.When control is filling When setting the sample introduction trigger signal for receiving first sample rack propulsive mechanism 100, and second sample rack propulsive mechanism 100 is located When suspending sample introduction state, then the push plate 110 of the drive of lifting structure 120 of first sample rack propulsive mechanism 100 thereon is controlled The first position of the bottom wall higher than sample loading apparatus is moved to, and controls the propulsion knot of first sample rack propulsive mechanism 100 Structure 130 drives the push plate 110 of first sample rack propulsive mechanism 100 to move along the direction of initial position to extreme position, to open The sample introduction of current sample rack propulsive mechanism 100 is moved, i.e., first sample rack propulsive mechanism 100 is in sample introduction state.First The sample introduction process of sample rack propulsive mechanism can be found in described above.

It, can be with second sample rack pusher of real-time detection when first sample rack propulsive mechanism is in sample introduction state The sample introduction trigger signal of structure.When control device receives the sample introduction trigger signal of second sample rack propulsive mechanism 100, and first When a sample rack propulsive mechanism 100, then when first sample rack propulsive mechanism 100 being waited to be switched to pause sample introduction state, then control It makes second sample rack propulsive mechanism 100 and starts sample introduction.First sample rack propulsive mechanism 100 is waited to be switched to pause sample introduction When state, then controls the push plate 110 of the drive of lifting structure 120 of second sample rack propulsive mechanism 100 thereon and move to and be higher than The first position of the bottom wall of sample loading apparatus, and the push structure 130 for controlling second sample rack propulsive mechanism 100 drives the The push plate 110 of two sample rack propulsive mechanisms 100 is moved along the direction of initial position to extreme position, to start second sample The sample introduction of frame propulsive mechanism 100.The sample introduction process of second sample rack propulsive mechanism can be found in described above.

In one embodiment, the embodiment of the present application also provides a kind of sample analysers, including any of the above-described embodiment Sampling device and the device for analyzing samples that is docked with the sampling device, sampling device sample rack can be sent to sample point Analysis apparatus.

Above-mentioned sample rack propulsive mechanism, sampling device and sample analyser, the sample rack propulsive mechanism have lifting knot Structure, push plate are placed on lifting structure, are moved reciprocatingly so that lifting structure is able to drive push plate along first direction, in this way, pushing away During plate retracts, push plate can be dropped to the lower part of sample loading apparatus by lifting structure, so that push plate and sample The sample rack being arranged in loading attachment does not contact, so as to avoid sample rack propulsive mechanism in back off procedure with newly-increased sample The case where frame bumps against, guarantee the reliability and safety of sample introduction.Meanwhile by the way that lifting knot is arranged on sample rack propulsive mechanism Structure, user can add new sample rack without suspending sample rack propulsive mechanism into sample loading apparatus, may be implemented continuous Sample introduction is easy to use.

Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.

The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field For member, without departing from the concept of this application, various modifications and improvements can be made, these belong to the application's Protection scope.Therefore, the scope of protection shall be subject to the appended claims for the application patent.

Claims (15)

1. a kind of sample rack propulsive mechanism characterized by comprising

Push plate is abutted for the side wall with sample rack to drive the sample rack to move synchronously；

Lifting structure, including the first driving part and lifting assembly, the push plate are arranged on the lifting assembly, and described first Driving part can drive the lifting assembly that the push plate is driven to move reciprocatingly along first direction；And

Push structure, including the second driving part and propulsion assembly, the lifting assembly is arranged on the propulsion assembly, described Second driving part can drive the propulsion assembly that the lifting assembly and the push plate is driven to hang down along with the first direction Straight second direction moves reciprocatingly.

2. sample rack propulsive mechanism according to claim 1, which is characterized in that the lifting assembly includes lifting guide part Part, lifting carriage component and transmission parts；The push plate is arranged on the lifting carriage component；

First driving part and the lifting guiding parts are arranged on the propulsion assembly, the lifting guiding parts Extending direction it is consistent with the first direction；

First driving part is connected to the transmission parts, and first driving part can drive the transmission parts to turn It is dynamic；The transmission parts connect the lifting carriage component, and the lifting carriage component is placed on the lifting guiding parts, institute It states transmission parts and is able to drive the lifting carriage component and move reciprocatingly along the first direction.

3. sample rack propulsive mechanism according to claim 2, which is characterized in that the transmission parts include rotating arm, rolling The transmission guide part on the lifting carriage component is taken turns and be arranged in, is offered on the transmission guide part described in capable of accommodating The guide groove of idler wheel；

One end of the rotating arm is set on the output shaft of first driving part, and first driving part can drive The rotating arm rotation；

The other end of the rotating arm is arranged in the idler wheel, and the idler wheel rolling is matched in the guide groove；The rotation Arm is able to drive the idler wheel and moves in the guide groove, makes the transmission guide part and the lifting carriage component described in First direction moves synchronously.

4. sample rack propulsive mechanism according to claim 3, which is characterized in that the output shaft phase of first driving part Axis line offset setting to the guide groove；

When first driving part drives the lifting assembly that the push plate is driven to tie along the first direction to the propulsion When structure moves, the rotating arm can be abutted with the end wall of the guide groove；

Wherein, the central axes of the guide groove are parallel with the first direction.

5. sample rack propulsive mechanism according to claim 2, which is characterized in that the transmission parts include runner, idler wheel And the transmission guide part on the lifting carriage component is set, the rolling can be accommodated by offering on the transmission guide part The guide groove of wheel；

The runner is connected to first driving part, and first driving part can drive the runner to rotate；

The idler wheel is arranged on the runner, and the idler wheel rolling is matched in the guide groove, and the runner is able to drive The idler wheel moves in the guide groove, so that the lifting carriage component is moved along the first direction.

6. sample rack propulsive mechanism according to claim 2, which is characterized in that the transmission parts are screw rod, Huo Zhesuo State that transmission parts are toothed belt transmission structure or the transmission parts are gear transmission structure.

7. sample rack propulsive mechanism according to claim 1-6, which is characterized in that the propulsion assembly includes pushing away Into guiding parts, the first slide unit being arranged on the propulsion guiding parts and the second slide unit and flexible connection Part；

Support base is provided on first slide unit, the lifting assembly is arranged on the support base；

Second slide unit is connected to the support base or first slide unit by the flexible connecting member, described Second driving part can drive second slide unit to move along the second direction；

It is provided with the first detecting element on second slide unit, is provided on the support base and first detecting element Corresponding second detecting element, when the push plate moves to target position, first detecting element and second detection The connection relationship of element is changed into the second state by first state；

Wherein, the first state is contact condition, and second state is disengaged position, alternatively, the first state is de- From state, second state is contact condition.

8. sample rack propulsive mechanism according to claim 7, which is characterized in that be additionally provided with the first peace on the support base Dress portion is provided with pedestal on second slide unit, the second mounting portion is provided on the pedestal, the flexible connecting member One end connects first mounting portion, and the other end of the flexible connecting member connects second mounting portion；

The flexible connecting member is tension spring or pressure spring.

9. sample rack propulsive mechanism according to claim 8, which is characterized in that first detecting element is setting in institute State the signal radiated element on pedestal；Second detecting element be setting in the support base towards second slide unit Side signal detection component；

Alternatively, first detecting element is the signal detection component being arranged on the pedestal, second detecting element is Signal radiated element of the support base towards the side of second slide unit is set；

When the push plate moves to the target position, the connection of the signal detection component and the signal radiated element is closed System is changed into the second state by first state.

10. sample rack propulsive mechanism according to claim 9, which is characterized in that the signal radiated element is sensor, The signal detection component is baffle or sensing chip.

11. a kind of sampling device characterized by comprising

For placing the sample loading apparatus of sample rack, transmission groove is offered on the bottom wall of the sample loading apparatus；

The described in any item sample rack propulsive mechanisms of claim 1-10, the sample rack propulsive mechanism are placed in the sample and load The lower part of device, the push plate of the sample rack propulsive mechanism can stretch out and the sample loading apparatus from the transmission groove The side wall of interior sample rack abuts；And

Control device controls the push plate and is placed higher than during push plate is moved along initial position to extreme position direction The first position of the bottom wall of sample loading apparatus, to drive the sample being placed between the current location and extreme position of the push plate Frame moves synchronously；In the push plate along the motion process of the extreme position to the initial position direction, pushed away described in control Plate is positioned below the second position of the bottom wall of the sample loading apparatus, the push plate and is placed in the sample loading apparatus Sample rack does not contact；

Wherein, the extreme position is placed in one end that the sample loading apparatus is connect with device for analyzing samples, the initial bit It is placed in one end opposite with the extreme position.

12. sampling device according to claim 11, which is characterized in that the sampling device further includes described for detecting Whether push plate reaches the initial position detection element of the initial position, and for detecting whether the push plate reaches the pole The extreme position detecting element of extreme position；

The initial position detection element and the limit position sensor are connected to the control device.

13. sampling device according to claim 11, which is characterized in that the quantity of the sample loading apparatus be two with On, the lower part of each sample loading apparatus is correspondingly arranged on the sample rack propulsive mechanism.

14. sampling device according to claim 13, which is characterized in that each sample rack propulsive mechanism correspondence is set One is equipped with for generating the signal trigger device of sample introduction trigger signal, each signal trigger device is filled with the control Set connection；

The signal trigger device is that the start button being arranged on the sampling device or the trigger device exist for setting Touch-control control on interactive display unit；

Alternatively, the removable bogey for placing sample rack is additionally provided on the sample loading apparatus, each sample The load detection device for detecting the removable bogey is provided on this loading attachment；The signal trigger device For the load detection device.

15. a kind of sample analyser, which is characterized in that including the described in any item sampling devices of claim 11-14.