CN210121454U - Test tube vibration mixing device for chemistry experiments - Google Patents
Test tube vibration mixing device for chemistry experiments Download PDFInfo
- Publication number
- CN210121454U CN210121454U CN201920482871.XU CN201920482871U CN210121454U CN 210121454 U CN210121454 U CN 210121454U CN 201920482871 U CN201920482871 U CN 201920482871U CN 210121454 U CN210121454 U CN 210121454U
- Authority
- CN
- China
- Prior art keywords
- test tube
- connecting rod
- clamping
- rod
- mixing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 83
- 238000002474 experimental method Methods 0.000 title claims abstract description 43
- 238000003805 vibration mixing Methods 0.000 title claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 33
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 230000010355 oscillation Effects 0.000 claims description 50
- 239000000126 substance Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 7
- 230000001133 acceleration Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 6
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 101150038956 cup-4 gene Proteins 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
The utility model relates to a chemistry experiment technical field, especially a test tube vibration mixing device for chemistry experiments, which comprises a support, drive arrangement and the clamping device who is used for the centre gripping test tube, fixed link and the connecting rod of being provided with respectively on the support, the connecting rod both ends articulate respectively has first connecting rod and pendulous device, the one end that the connecting rod was kept away from to first connecting rod is articulated mutually with clamping device, clamping device and pendulous device sliding fit, drive arrangement sets up on the link, the last output shaft that has of drive arrangement, be equipped with on the output shaft and follow the synchronous pivoted dwang of output shaft, it has the second connecting rod still to articulate between dwang and the first connecting rod middle part. The utility model provides a test tube vibration mixing device for chemistry experiments, clamping device are under first connecting rod and pendulous device's combined action, along heterotypic pitch arc orbit cyclic motion, at continuous change direction of motion and acceleration in the motion process for solution in the test tube can fully oscillate the mixing, guarantees its experiment effect.
Description
Technical Field
The utility model relates to a chemistry experiment technical field, especially a test tube vibration mixing device for chemistry experiments.
Background
In laboratory work, often need carry out the mixing operation to the test tube of different solutions of splendid attire or reagent etc. to improve the homogeneity that solution mixes or the fusion effect that reagent dissolves.
However, the above blending operation is basically performed manually, but the manual blending method has the disadvantages of poor blending effect, time and labor waste, and the like.
In order to solve the above-mentioned deficiencies, some mechanical oscillators have been developed in the art, which utilize the eccentric oscillation principle to oscillate and mix the test tubes for chemical experiments. The problem of artifical hand shake even mode exist waste time and energy not enough is solved, the oscillation mixing effect has further been optimized, however, because eccentric oscillation only for the coplanar along a certain axis or circular arc reciprocating oscillation for the solution in the test tube can not abundant mixing, thereby influence its experiment effect.
Therefore, based on the above, need one kind at present to change the oscillation device of test tube oscillation direction in the oscillation process, under the condition that replaces artifical manual mode, can change test tube oscillation direction and acceleration in the oscillation process for solution in the test tube can fully oscillate the mixing, guarantees its experiment effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to the mixing that can not make solution in the test tube that prior art exists can not be abundant to influence its problem of testing the effect, provide a test tube vibration mixing device for chemistry experiments, under the condition that replaces artifical manual mode, can change the direction of motion and the acceleration of test tube vibration at the oscillation in-process, make solution in the test tube can abundant vibration mixing, guarantee its effect of testing.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a test tube vibration mixing device for chemistry experiments, includes support, drive arrangement and the clamping device who is used for the centre gripping test tube, fixed link and the connecting rod of being provided with respectively on the support, the connecting rod both ends articulate respectively has first connecting rod and pendulous device, first connecting rod is kept away from the one end of connecting rod with clamping device is articulated mutually, clamping device with pendulous device sliding fit, drive arrangement sets up on the link, the last output shaft that has of drive arrangement, be equipped with on the output shaft and follow the synchronous pivoted dwang of output shaft, the dwang with it has the second connecting rod still to articulate between the first connecting rod middle part.
Drive arrangement drives the dwang and rotates, the dwang drives the second connecting rod, make first connecting rod swing, thereby it makes the arc motion with first connecting rod looks articulated clamping device to drive, and, with connecting rod looks articulated pendulous device under clamping device's drive, its self takes place the swing, and simultaneously, pendulous device and clamping device sliding fit, make the oscillation process, clamping device makes the arc motion along with first connecting rod under the effect of first connecting rod, simultaneously under the effect of pendulous device, it swings along with the pendulous device, make clamping device under the combined action of first connecting rod and pendulous device, along heterotypic pitch arc orbit cyclic motion, change direction of motion and acceleration constantly in the motion process, make the solution in the test tube can abundant oscillation mixing, its effect of testing is guaranteed.
Preferably, the clamping device is provided with a plurality of clamping seats for clamping the test tube, each clamping seat comprises at least two oppositely arranged clamping pieces, at least one clamping piece is provided with a pushing rod, and the pushing rod is used for adjusting the distance between the clamping pieces in the same clamping seat.
At least one of the clamping pieces is provided with a pushing rod which is used for adjusting the distance between the clamping pieces in the same clamping seat, so that the clamping seat can meet the requirement of clamping test tubes with different diameters, and the application range of the clamping seat is enlarged.
Specifically, the push rod is provided with a threaded portion, and the clamping device is provided with a threaded hole matched with the threaded portion.
Preferably, the clamping piece is arc-shaped and is elastically deformable.
The holding piece is the arc, but and elastic deformation, and when the different diameter test tubes of centre gripping, the holding piece all can with test tube fully contact for the holding piece can be more tired by ground centre gripping test tube, avoids at the oscillation in-process, and the test tube gets rid of from clamping device.
Preferably, a rubber pad is arranged on the side face of the clamping piece matched with the test tube.
Be provided with the rubber pad on the side of holding piece and test tube contact, rubber pad and the soft contact of test tube reduce the fish tail degree at the oscillation in-process test tube.
Preferably, clamping device includes support and base, the support is connected with base detachably, the grip slipper sets up on the support, the base with first connecting rod is articulated mutually, be provided with the slide bar on the base, be provided with on the pendulous device with slide bar sliding fit's slider.
Preferably, the second connecting rod comprises a fixed rod and a movable rod, the movable rod can be in sliding fit with the fixed rod along the length direction of the second connecting rod, and a fixing device which is abutted to the movable rod is connected to the circumferential outer wall of the fixed rod.
The second connecting rod comprises a fixing rod and a moving rod, the moving rod can be in sliding fit with the fixing rod along the length direction of the second connecting rod, the second connecting rod is telescopic, the swing amplitude of the first connecting rod can be changed, the oscillation amplitude of the test tube is controlled, and the fixing device can be realized by selecting a bolt, a screw or a buckle.
Preferably, the bottom of the support is also provided with a suction cup for fixing the support in a placing position.
The support bottom still be provided with be used for with the support is firmly at the sucking disc of placing the position, and the experiment mesa is adsorbed to the sucking disc, avoids at the oscillation in-process, and the test tube oscillation mixing device of this application falls experiment mesa down, causes the harm.
Preferably, the sucker is provided with a spring connected with the support.
Be provided with on the sucking disc with the spring that the support is connected, at the oscillation in-process, reducible test tube oscillation mixing device of this application is to the vibrations influence of experiment mesa.
Preferably, the motor controller further comprises a controller for controlling the motor, the controller comprising a display, a plurality of buttons and a control module, wherein,
the display is used for displaying the running time or running state of the motor and is electrically connected with the control module;
the button is electrically connected with the control module and comprises a motor starting button and/or a motor closing button and/or a time setting button;
the control module is used for receiving a button instruction, controlling the power and the running time of the driving device according to the instruction, and controlling the display to display the running time or the running state of the motor.
Utilize the controller, can control test tube vibration mixing device of this application accurately and open and stop and oscillation time, reached ideal oscillation effect.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model provides a test tube vibration mixing device for chemistry experiments, clamping device makes the arc motion, and, with support looks articulated pendulous device under clamping device's drive, around its articulated shaft swing between and the support, and simultaneously, pendulous device and clamping device sliding fit, at its oscillation in-process, clamping device is under first connecting rod and pendulous device's combined action, along heterotypic pitch arc orbit cyclic motion, continuous change direction of motion and acceleration in the motion process, make the solution in the test tube can fully oscillate the mixing, guarantee its experiment effect.
2. The utility model provides a test tube vibration mixing device for chemistry experiments, second connecting rod include dead lever and carriage release lever, the carriage release lever can be followed second connecting rod length direction with dead lever sliding fit for the second connecting rod is scalable, thereby can change the amplitude of oscillation of first connecting rod, controls the amplitude of oscillation of test tube with this.
3. The utility model provides a test tube vibration mixing device for chemistry experiments utilizes the controller, can control the test tube vibration mixing device of this application accurately and open and stop and the oscillation time, has reached the oscillation effect of ideal.
Drawings
FIG. 1 is a schematic axial view of a test tube oscillation and blending device for chemical experiments;
FIG. 2 is a rear schematic view of a structure of a test tube oscillation and uniform mixing device for chemical experiments;
FIG. 3 is a schematic structural front view of a test tube oscillation and mixing device for chemical experiments when a clamping device is farthest from a driving device;
FIG. 4 is a schematic structural front view of a test tube oscillation and mixing device for chemical experiments when a clamping device is closest to a driving device;
FIG. 5 is a schematic top view of a test tube shaking and mixing apparatus for chemical experiments, with the holding device farthest from the driving device;
FIG. 6 is a schematic structural isometric view of a stent;
FIG. 7 is a schematic structural view of the clamping seat;
fig. 8 is a schematic structural view of the second link.
The labels in the figure are: 1-driving device, 11-rotating rod, 2-support, 21-connecting frame, 22-connecting seat, 3-first connecting rod, 4-sucking disc, 41-spring, 5-swinging device, 51-sliding block, 6-clamping device, 61-support, 610-clamping seat, 611-clamping piece, 612-pushing rod, 613-rubber pad, 62-base, 621-sliding rod, 7-second connecting rod, 71-fixed rod, 72-movable rod, 73-fixing device, 8-controller and 9-power line.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1 and 2, a test tube vibration mixing device for chemistry experiments, including support 2, drive arrangement 1 and the clamping device 6 that is used for the centre gripping test tube, fixed link 21 and the connecting rod 22 of being provided with respectively on the support 2, connecting rod 22 both ends articulate respectively has first connecting rod 3 and pendulous device 5, first connecting rod 3 is kept away from the one end of connecting rod 22 with clamping device 6 is articulated mutually, clamping device 6 with pendulous device 5 sliding fit, drive arrangement 1 sets up on the link 21, the last output shaft that has of drive arrangement 1, be equipped with on the output shaft and follow the synchronous pivoted dwang 11 of output shaft, dwang 11 with it has second connecting rod 7 still to articulate between the 3 middle parts of first connecting rod.
The driving device 1 drives the rotating rod 11 to rotate, the rotating rod 11 drives the second connecting rod 7 to make the first connecting rod 3 swing, thereby driving the clamping device 6 hinged with the first connecting rod 3 to do arc motion, and the swinging device 5 hinged with the connecting rod 22 is driven by the clamping device 6, the swinging device swings, and meanwhile, the swinging device 5 is in sliding fit with the clamping device 6, so that in the oscillating process, the clamping device 6 moves in an arc shape along with the first connecting rod 3 under the action of the first connecting rod 3, and simultaneously under the action of the swinging device 5, which swings with the swing device 5, so that the clamping device 6 circularly moves along the special-shaped arc track under the combined action of the first connecting rod 3 and the swing device 5, the moving direction and the acceleration are continuously changed in the moving process, so that the solution in the test tube can be fully oscillated and uniformly mixed, and the experimental effect of the solution is ensured.
Example 2
As shown in fig. 1, 2, 3, and 4, in the test tube oscillation and uniform mixing device for chemical experiments according to embodiment 1, a plurality of holders 610 for holding the test tube are disposed on the holding device 6, each holder 610 includes at least two holding pieces 611 disposed oppositely, at least one of the holders is provided with a pushing rod 612, and the pushing rod 612 is used to adjust a distance between the holding pieces 611 in the same holder 610.
At least one of the clamping pieces is provided with a pushing rod 612, and the pushing rod 612 is used for adjusting the distance between the clamping pieces 611 in the same clamping seat 610, so that the clamping seat 610 can meet the requirement of clamping test tubes with different diameters, and the application range of the clamping seat is enlarged.
In addition, in a further preferable mode, the pushing rod 612 is provided with a threaded portion, and the clamping device 6 is provided with a threaded hole matched with the threaded portion.
In addition, in a more preferable mode, the clamping piece 611 is arc-shaped and can be elastically deformed.
Clamping piece 611 is the arc, and elastic deformation, and when the different diameter test tubes of centre gripping, clamping piece 611 all can fully contact with the test tube for clamping piece 611 can be more tired by ground centre gripping test tube, avoids at the oscillation in-process, and the test tube gets rid of from clamping device 6.
In addition, it is further preferable that a rubber pad 613 is disposed on a side surface of the holding piece 611 that engages with the test tube.
Be provided with rubber pad 613 on the side of holding piece 611 and the test tube contact, rubber pad 613 and the soft contact of test tube reduce the fish tail degree of test tube in the oscillation process.
Example 3
As shown in fig. 1, 2, 3, and 4, in embodiment 1 or 2, the clamping device 6 includes a bracket 61 and a base 62, the bracket 61 is detachably connected to the base 62, the clamping base 6100 is disposed on the bracket 61, the base 62 is hinged to the first link 3, the base 62 is provided with a slide bar 621, and the swinging device 5 is provided with a slider 51 slidably engaged with the slide bar 621.
Example 4
As shown in fig. 1, 2, 3, 4 and 5, in the test tube oscillation and blending device for chemical experiments according to embodiment 1, 2 or 3, the second connecting rod 7 includes a fixing rod 71 and a moving rod 72, the moving rod 72 can be slidably fitted with the fixing rod 71 along the length direction of the second connecting rod 7, and a fixing device 73 abutting against the moving rod 72 is connected to the circumferential outer wall of the fixing rod 71.
The second link 7 comprises a fixed rod 71 and a movable rod 72, the movable rod 72 can be slidably matched with the fixed rod 71 along the length direction of the second link 7, so that the second link 7 can be extended and retracted, the swing amplitude of the first link 3 can be changed, and the oscillation amplitude of the test tube can be controlled, wherein the fixing device 73 can be realized by selecting a bolt, a screw or a buckle.
Example 5
As shown in fig. 1, 2, 3, 4 and 5, the test tube shaking and mixing device for chemical experiments according to embodiment 1 or 2 or 3 or 4, the bottom of the support 2 is further provided with a suction cup 4 for fixing the support 2 in a placing position.
2 bottoms of support still be provided with be used for with 2 firm at the sucking disc 4 of placing the position of support, 4 absorption experiment mesas of sucking disc avoid at the oscillation in-process, and the test tube oscillation mixing device of this application falls experiment mesa, causes the harm.
In addition, in a more preferable mode, the suction plate 4 is provided with a spring 41 connected to the holder 2.
Be provided with on the sucking disc 4 with the spring 41 that support 2 is connected, at the oscillation in-process, reducible test tube oscillation mixing device of this application influences the vibrations of experiment table surface.
Example 6
As shown in fig. 1, 2, 3, 4 and 5, the device for oscillating and mixing test tubes for chemical experiments according to embodiment 1 or 2 or 3 or 4 or 5 further comprises a controller 8 for controlling the motor, wherein the controller 8 comprises a display, a plurality of buttons and a control module, wherein,
the display is used for displaying the running time or running state of the motor and is electrically connected with the control module;
the button is electrically connected with the control module and comprises a motor starting button and/or a motor closing button and/or a time setting button;
the control module is used for receiving a button instruction, controlling the power and the running time of the driving device 1 according to the instruction, and controlling the display to display the running time or the running state of the motor.
Utilize controller 8, can control test tube vibration mixing device of this application accurately and open and stop and oscillation time, reached ideal oscillation effect.
On the basis, in a further preferable mode, the driving device further comprises a power line 9 connected to the driving device 1 and the controller 8, and the power line provides an external power supply for the driving device 1 and the controller 8.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a test tube vibration mixing device for chemistry experiments which characterized in that: including support, drive arrangement and the clamping device who is used for the centre gripping test tube, fixed link and the connecting rod of being provided with respectively on the support, the connecting rod both ends articulate respectively has first connecting rod and pendulous device, first connecting rod is kept away from the one end of connecting rod with clamping device is articulated mutually, clamping device with pendulous device sliding fit, drive arrangement sets up on the link, the last output shaft that has of drive arrangement, be equipped with on the output shaft and follow the synchronous pivoted dwang of output shaft, the dwang with it has the second connecting rod still to articulate between the first connecting rod middle part.
2. The test tube oscillation and uniform mixing device for the chemical experiment according to claim 1, which is characterized in that: the test tube clamping device is characterized in that a plurality of clamping seats used for clamping test tubes are arranged on the clamping device, each clamping seat comprises at least two clamping pieces which are oppositely arranged, at least one clamping piece is provided with a pushing rod, and the pushing rods are used for adjusting the distance between the clamping pieces in the same clamping seat.
3. The test tube oscillation and uniform mixing device for the chemical experiment according to claim 2, which is characterized in that: the pushing rod is provided with a threaded portion, and the clamping device is provided with a threaded hole matched with the threaded portion.
4. The test tube oscillation and uniform mixing device for the chemical experiment according to claim 2, which is characterized in that: the clamping pieces are arc-shaped and can elastically deform.
5. The test tube oscillation and uniform mixing device for the chemical experiment according to claim 2, which is characterized in that: and rubber pads are arranged on the side surfaces of the clamping sheets and the test tubes which are matched with each other.
6. The test tube oscillation and uniform mixing device for the chemical experiment according to claim 2, which is characterized in that: the clamping device comprises a support and a base, the support is detachably connected with the base, the clamping seat is arranged on the support, the base is hinged to the first connecting rod, a sliding rod is arranged on the base, and a sliding block in sliding fit with the sliding rod is arranged on the swinging device.
7. The test tube oscillation and uniform mixing device for the chemical experiment according to claim 1, which is characterized in that: the second connecting rod comprises a fixed rod and a movable rod, the movable rod can be in sliding fit with the fixed rod along the length direction of the second connecting rod, and a fixing device which is abutted to the movable rod is connected to the outer circumferential wall of the fixed rod.
8. The test tube oscillation and uniform mixing device for the chemical experiment according to claim 1, which is characterized in that: the bottom of the support is also provided with a sucker for firmly placing the support at a placing position.
9. The test tube oscillation and uniform mixing device for the chemical experiment according to claim 8, which is characterized in that: and the sucker is provided with a spring connected with the support.
10. The test tube oscillation and uniform mixing device for the chemical experiment according to any one of claims 1 to 9, which is characterized in that: also comprises a controller used for controlling the motor, the controller comprises a display, a plurality of buttons and a control module, wherein,
the display is used for displaying the running time or running state of the motor and is electrically connected with the control module;
the button is electrically connected with the control module and comprises a motor starting button and/or a motor closing button and/or a time setting button;
the control module is used for receiving a button instruction, controlling the power and the running time of the driving device according to the instruction, and controlling the display to display the running time or the running state of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482871.XU CN210121454U (en) | 2019-04-10 | 2019-04-10 | Test tube vibration mixing device for chemistry experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482871.XU CN210121454U (en) | 2019-04-10 | 2019-04-10 | Test tube vibration mixing device for chemistry experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210121454U true CN210121454U (en) | 2020-03-03 |
Family
ID=69632203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920482871.XU Expired - Fee Related CN210121454U (en) | 2019-04-10 | 2019-04-10 | Test tube vibration mixing device for chemistry experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210121454U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522118A (en) * | 2021-07-15 | 2021-10-22 | 巨翊科技（上海）有限公司 | Variable-speed oscillation equipment and control method |
| CN114522589A (en) * | 2022-02-17 | 2022-05-24 | 蒋万枫 | Centrifuge tube shaking instrument |
-
2019
- 2019-04-10 CN CN201920482871.XU patent/CN210121454U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522118A (en) * | 2021-07-15 | 2021-10-22 | 巨翊科技（上海）有限公司 | Variable-speed oscillation equipment and control method |
| CN113522118B (en) * | 2021-07-15 | 2022-11-04 | 广州达晖生物技术股份有限公司 | Variable-speed oscillation equipment and control method |
| CN114522589A (en) * | 2022-02-17 | 2022-05-24 | 蒋万枫 | Centrifuge tube shaking instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019206098A1 (en) | Device for automatically mixing blood sample and blood cell analysis equipment | |
| CN210121454U (en) | Test tube vibration mixing device for chemistry experiments | |
| CN109225009B (en) | Test tube vibrates mixing device for chemistry experiments | |
| CN211292271U (en) | Test tube liquid sample mixing mechanism and device | |
| CN109200912B (en) | Test tube centrifugation vibrates device for chemistry experiments | |
| CN112691589A (en) | Vibration device for agricultural product detection | |
| CN102294563B (en) | Wiggler capable of swinging in shape of U | |
| CN107447252B (en) | Dithering device suitable for PCB electroplating equipment | |
| CN112539987A (en) | Test tube liquid sample mixing mechanism and device | |
| CN211365957U (en) | Angle-adjustable vibration feeding machine | |
| CN108380114B (en) | Wrist formula swing mechanism and wrist formula pendulum bed | |
| CN209342546U (en) | A kind of gear shaper cutter cutting test device | |
| CN216638129U (en) | Vacuum chuck automatic feeding mechanism | |
| CN214218758U (en) | Automatic shake device that overturns of stem cell multidimension degree | |
| CN215198999U (en) | Multistage locking mechanism for stretching deformed steel bar | |
| CN203862184U (en) | Anti-coagulation fixing frame for blood sampling tubes | |
| CN211061294U (en) | High-capacity composite vortex mixing device | |
| CN211915914U (en) | Handheld automatic welding equipment | |
| CN202271116U (en) | Swinging device capable of swinging in shape of U | |
| CN208678993U (en) | A kind of reagent evenly mixing device | |
| CN214844378U (en) | Oscillation device based on agricultural product safety inspection | |
| CN211133755U (en) | Test tube vibrating device for bio-pharmaceuticals | |
| CN205175777U (en) | Cement mortar swing table | |
| CN212068558U (en) | Automatic mixer for liquid preparation | |
| CN221359545U (en) | Improved vortex oscillator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200303 |