Test tube oscillator
By using the locking assembly and elastic element design of the slide bar and pressure plate, the fixing operation of the test tube shaker is simplified, solving the problem of cumbersome bolt adjustment in the existing technology. This enables rapid and stable fixing and efficient oscillation of the test tube, adapting to diverse experimental needs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FULING HOSPITAL AFFILIATED TO CHONGQING UNIV
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-21
AI Technical Summary
Existing medical testing tube shakers require frequent tightening and loosening of bolts when adjusting the pressure plate position, which is cumbersome and affects experimental efficiency.
The design employs a combination of sliding rods and pressure plates with locking components and elastic elements. The locking components enable quick fixing through unlocking, lifting, and pressing operations, while the elastic elements provide stable pressure. The lock hole and bolt automatically lock together, simplifying the operation process.
It enables rapid and convenient fixation and stable oscillation of test tubes, improves experimental efficiency, lowers the skill threshold for operators, ensures experimental safety and result accuracy, and is adaptable to test tubes of different heights and sizes.
Smart Images

Figure CN224142037U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of medical testing experimental instrument technology, specifically relating to a test tube shaker. Background Technology
[0002] In medical laboratory testing, test tube shakers are indispensable and commonly used equipment. Existing medical test tube shakers typically consist of a shaker body and a shaking disk connected to the output end of the shaker body, forming a basic oscillation structure. The shaker body, driven by a motor or other drive device, vibrates the shaking disk, thereby oscillating the samples inside the test tubes placed on the shaking disk. To fix test tubes of different heights, a common design uses a structure with a sliding connection between a pressure plate and sliding rods. Two sliding rods are vertically mounted on the upper part of the shaker body and located on both sides of the shaking disk. The pressure plate can slide longitudinally along the sliding rods to accommodate test tubes of different heights.
[0003] However, the current method of fixing the pressure plate involves using bolts to engage it with a sliding rod, thus fixing the pressure plate in place. This structure has significant drawbacks in practical use. Each adjustment of the pressure plate requires multiple tightening and loosening of the bolts, a cumbersome and time-consuming process that greatly reduces experimental efficiency. This is especially problematic in medical testing, where the number of samples is large and time is limited; frequent bolt adjustments can severely impact testing progress. Therefore, there is an urgent need to design a more convenient and adjustable test tube shaker for medical testing.
[0004] The methods described in this section are not necessarily methods that had been previously conceived or adopted. Unless otherwise specified, no method described in this section should be assumed to be prior art simply because it is included in this section. Similarly, unless otherwise specified, the issues mentioned in this section should not be considered to be accepted in any prior art. Utility Model Content
[0005] The purpose of this invention is to provide a test tube shaker for medical testing, which solves the problem of cumbersome pressure plate adjustment in existing test tube shakers for medical testing, and enables quick and convenient fixation and stable oscillation of test tubes of different heights, thereby improving the convenience of medical testing operations and the reliability of test results.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A test tube oscillator includes an oscillator body, an oscillating disk, slide rods, a pressure plate, a first elastic element, and a locking assembly. The oscillating disk is connected to the output end of the oscillator body. There are two slide rods, which are vertically arranged on the upper end of the oscillator body and located on the left and right sides of the oscillating disk, respectively. Each slide rod has a locking hole on its side. The pressure plate and the locking assembly are slidably connected to the two slide rods from bottom to top. The first elastic element is fixed between the pressure plate and the locking assembly. When the locking assembly slides longitudinally to align with the locking hole, it can lock with the locking hole to restrict the longitudinal sliding of the locking assembly.
[0008] Furthermore, each of the two slide bars has a locking hole on its side, and the two locking holes are respectively located on opposite sides of the two slide bars;
[0009] The locking assembly includes a housing, a bolt, a second elastic element, and a control assembly. The housing has sliding holes on both the left and right sides for the sliding rod to pass through. The inner walls of the two sliding holes are provided with mounting grooves that match the locking holes. The second elastic element and the bolt are sequentially mounted in the two mounting grooves from the inside to the outside. The two bolts are connected to the control assembly, which is used to control the two bolts to extend / retract into the corresponding mounting grooves.
[0010] Furthermore, the control component includes a pull rope and a pressing member. The two ends of the pull rope are respectively connected to two locking bolts, and the pressing member slides through the housing. The portion of the pressing member located inside the housing is fixedly connected to the middle of the pull rope.
[0011] Furthermore, the pressing component includes a sliding piece and a pressing plate, wherein there are two sliding pieces, which are fixed to the rear side of the pressing plate and are spaced apart at the left and right ends of the pressing plate;
[0012] The front end of the housing has grooves on both the left and right sides, and two sliding pieces pass through the two grooves and are fixed to the pull rope.
[0013] Furthermore, the slider has a first wire hole for the pull rope to pass through, and the pull rope passes through two first wire holes and is bonded and fixed to the two sliders.
[0014] Furthermore, the shell is composed of two structural parts joined together.
[0015] Furthermore, the second elastic element is a threaded spring, which is sleeved on the outside of the pull rope and its two ends abut against the bottom wall of the assembly groove and the inner end of the locking bolt, respectively.
[0016] Furthermore, the bolt is a hollow structure with an open outer end, and the inner end of the bolt has a second thread hole that runs through both the inside and outside. The end of the pull rope passes through the second thread hole into the bolt and is tied with a knot that cannot pass through the second thread hole.
[0017] Furthermore, the first elastic element is a threaded spring, which is sleeved on the outside of the slide rod and its two ends are respectively fixed to the pressure plate and the locking assembly.
[0018] Furthermore, the keyhole is a through hole.
[0019] The test tube shaker described in this invention has significant advantages. Operationally, it completely changes the cumbersome traditional bolt-fixing method. Through simple unlocking, pulling, pressing, and locking operations, test tubes can be fixed within 10 seconds without tools, greatly improving the efficiency of medical testing experiments. It also has a high tolerance for operational errors and lowers the skill threshold for personnel. Regarding the fixing effect, the first elastic element, in conjunction with the locking component, can automatically adjust the position of the pressure plate according to the height of the test tube. Compression of the elastic element generates stable pressure, and combined with the second elastic element, it enhances the stability of the fixing structure, effectively preventing the test tubes from loosening or tipping during shaking, ensuring experimental safety and accurate results. In terms of structural design, the ingenious control components unlock by pressing, the pull rope connection is stable and reliable, and the shell assembly structure facilitates the installation and maintenance of components. Furthermore, this shaker can flexibly adapt to test tubes of different heights and specifications, meeting diverse experimental needs. It is highly versatile and practical, providing efficient and reliable equipment support for medical testing work. Attached Figure Description
[0020] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0021] Figure 1 This is a schematic diagram of the structure of an embodiment of a test tube shaker according to the present invention;
[0022] Figure 2 This is a cross-sectional structural schematic diagram of an embodiment of a test tube shaker according to the present invention;
[0023] Figure 3 for Figure 2 Enlarged structural diagram at point A;
[0024] Figure 4 This is a schematic diagram of the internal structure of the locking component in one embodiment of a test tube oscillator according to the present invention.
[0025] The meanings of the labels in the attached diagram are as follows:
[0026] The oscillator body 1, oscillating disk 2, slide bar 3, lock hole 31, pressure plate 4, first elastic element 5, locking assembly 6, housing 61, slide hole 611, assembly groove 612, bolt 62, second elastic element 63, control assembly 64, pull rope 641, pressing element 642, slide plate 6421, pressing plate 6422. Detailed Implementation
[0027] The present invention will be further described below with reference to the accompanying drawings.
[0028] Reference Figures 1-4 As shown, the test tube shaker of this embodiment includes a shaker body 1, a shaking disk 2, a slide bar 3, a pressure plate 4, a first elastic element 5, and a locking assembly 6. The shaking disk 2 is connected to the output end of the shaker body 1. The shaker body 1 drives the shaking disk 2 to oscillate through the output end, thereby causing the test tubes placed on the shaking disk 2 to oscillate. There are two slide bars 3, which are vertically arranged on the upper end of the shaker body 1 and located on the left and right sides of the shaking disk 2, respectively. The slide bars 3 have locking holes 31 on their sides. The pressure plate 4 and the locking assembly 6 are slidably connected to the two slide bars 3 from bottom to top. The first elastic element 5 is fixed between the pressure plate 4 and the locking assembly 6. When the locking assembly 6 slides longitudinally to align with the locking hole 31, it can lock with the locking hole 31 to restrict the longitudinal sliding of the locking assembly 6.
[0029] The specific operating procedure for securing the test tubes is as follows: First, unlock the locking component 6 from the locking hole 31, then pull the locking component 6 upwards. At this time, the first elastic element 5 will move the pressure plate 4 upwards together, creating a space between the pressure plate 4 and the oscillating disk 2 for placing the test tubes. Next, place the test tube placement tray with the inserted test tubes smoothly on the oscillating disk 2, and then push the locking component 6 downwards. After the pressure plate 4 moves down to abut against the upper end of the test tube, continue to push the locking component 6 downwards. The first elastic element 5 will be compressed, thereby applying stable pressure to the test tube through the pressure plate 4, achieving a firm fixation of the test tube. When the locking component 6 moves down to align with the locking hole 31, the locking component 6 and the locking hole 31 automatically lock together, preventing the locking component 6 from moving upwards. This completes the test tube fixing operation.
[0030] Furthermore, the first elastic element 5 is a threaded spring, which has good elasticity and stability, and can provide stable elastic force during compression and extension. The first elastic element 5 is sleeved on the outside of the slide rod 3 and its two ends are fixed to the pressure plate 4 and the locking assembly 6 respectively. This structural design further enhances the stability of the entire fixing structure, ensuring that the test tube can always remain in a stable and fixed state during oscillation.
[0031] Both slide rods 3 have locking holes 31 on their sides, located on opposite sides of each slide rod 3. The locking assembly 6 includes a housing 61, a bolt 62, a second elastic element 63, and a control assembly 64. The housing 61 has sliding holes 611 on both its left and right sides for the slide rods 3 to pass through. The inner walls of both sliding holes 611 have mounting grooves 612 that match the locking holes 31. The second elastic element 63 and the bolt 62 are sequentially mounted from the inside out in both mounting grooves 612. Both bolts 62 are connected to the control assembly 64, which controls the bolts 62 to extend / retract from their corresponding mounting grooves 612. The control assembly 64 facilitates the unlocking and locking operations of the locking assembly 6 and the locking holes 31.
[0032] In this embodiment, the control component 64 includes a pull rope 641 and a pressing member 642. The two ends of the pull rope 641 are respectively connected to two locking bolts 62. The pressing member 642 slides through the housing 61, and the portion of the pressing member 642 located inside the housing 61 is fixedly connected to the middle of the pull rope 641. The pressing member 642 includes a sliding piece 6421 and a pressing plate 6422. There are two sliding pieces 6421, which are fixedly connected to the rear side of the pressing plate 6422 and are spaced apart at the left and right ends of the pressing plate 6422. Sliding grooves are provided on both the left and right sides of the front end of the housing 61. The two sliding pieces 6421 respectively pass through the two sliding grooves and are fixedly connected to the pull rope 641. In its natural state, the two second elastic elements 63 push the two bolts 62 outwards from their corresponding mounting slots 612 until the pull cord 641 is taut. The taut pull cord 641 not only prevents the bolts 62 from completely disengaging from the mounting slots 612, but also applies a forward thrust to the slider 6421, thus keeping it extended for subsequent pressing by the user. Furthermore, the pull cord 641 also constrains the position of the slider 6421, preventing it from disengaging from the groove and ensuring a stable assembly of the pressing element 642. By pressing the pressing piece 6422, the user can cause the slider 6421 to slide backwards, thereby pulling the two ends of the pull cord 641 inwards, causing the two bolts 62 to retract into the mounting slots 612, thus unlocking the device.
[0033] In this embodiment, the slider 6421 has a first wire hole through which the pull rope 641 passes. The pull rope 641 passes through two first wire holes and is bonded and fixed to two sliders 6421. The bolt 62 is a hollow structure with an open outer end. The inner end of the bolt 62 has a second wire hole that passes through both the inside and outside. The end of the pull rope 641 passes through the second wire hole into the bolt 62 and is tied with a knot that cannot pass through the second wire hole, thereby ensuring the stability of the connection between the pull rope 641 and the slider 6421 and the bolt 62.
[0034] Furthermore, the housing 61 is composed of two parts, facilitating the installation and maintenance of internal components. The lock hole 31 is a through hole, allowing for easy observation of the insertion and removal of the bolt 62.
[0035] When using this test tube shaker, first observe the height of the test tube to be shaken, press the pressing plate 6422 to make the sliding plate 6421 slide in the groove of the housing 61, and pull the rope 641 to drive the locking bolt 62 into the assembly groove 612, unlocking the locking component 6 from the locking hole 31 on the sliding rod 3. Pull the locking component 6 upward, causing the first elastic element 5 and the pressure plate 4 to move upward, so that there is enough space between the pressure plate 4 and the shaking disk 2 to place the test tube placement tray with the test tube inserted. After the test tube placement tray is placed steadily on the shaking disk 2, slowly push the locking component 6 downward. As the locking component 6 moves downward, the pressure plate 4 gradually abuts against the upper end of the test tube. Continue to press the locking component 6 down, the first elastic element 5 is compressed, and a stable pressure is applied to the test tube. When the locking component 6 moves down to be aligned with the locking hole 31, under the action of the second elastic element 63, the locking bolt 62 extends and inserts into the locking hole 31, and the locking component 6 and the locking hole 31 automatically lock together, completing the fixing operation of the test tube. Start the oscillator body 1, and the oscillating disk 2 will start oscillating, causing the sample in the test tube to be oscillated.
[0036] After the experiment, first turn off the main body 1 of the oscillator. After the oscillating plate 2 stops oscillating, press the pressing plate 6422 to unlock the locking component 6 and the locking hole 31. Pull the locking component 6 upward, and the first elastic element 5 will drive the pressure plate 4 to move upward, releasing the pressure on the test tube. Then the test tube placement tray and test tube can be taken out.
[0037] Traditional test tube shakers use a bolt-on sliding rod fixing method, requiring operators to repeatedly tighten the bolts. This is not only time-consuming and labor-intensive, but also demands precise control over the force and tightness of the tightening. Slight deviations can lead to unstable fixing or damage to the equipment. This new invention, however, requires only three steps to fix the test tubes: press the control component 64 to unlock the locking component 6, pull the component to adjust the height of the pressure plate 4, and press the locking component 6 down to the locking hole 31 for automatic locking. No precise control of force or angle is required throughout the process, allowing even first-time users to quickly master the operation. This "foolproof" design minimizes the possibility of human error, significantly improving the efficiency of medical testing experiments and lowering the skill threshold for operators, truly achieving an efficient, safe, and convenient experimental experience.
[0038] Furthermore, the design of the first elastic element 5 in conjunction with the locking component 6 and the locking hole 31 allows for automatic adjustment of the position of the pressure plate 4 according to the height of the test tube, and the pressure generated by the compression of the first elastic element 5 ensures stable fixation of the test tube. The second elastic element 63 is sleeved on the outside of the slide rod 3 and its two ends are fixed to the pressure plate 4 and the locking component 6 respectively, further enhancing the stability of the fixing structure and effectively preventing the test tube from loosening or tipping over during oscillation, thus ensuring the safety of the experimental process and the accuracy of the test results. The control component 64 uses a combination of a pull rope 641 and a pressing component 642, which allows for easy unlocking of the locking component 6 through a simple pressing operation. At the same time, the connection method of the pull rope 641 with the slide plate 6421 and the locking bolt 62, as well as the splicing structure of the housing 61, facilitates the installation, maintenance, and replacement of parts, reducing the maintenance cost of the equipment. This test tube shaker can flexibly adapt to test tubes of different heights and sizes. Whether it is a test tube of a regular size or a test tube of a special size, it can achieve fast and stable fixation, meeting the diverse needs of medical testing experiments and has strong versatility and practicality.
[0039] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.
Claims
1. A test tube shaker, characterized by, The device includes an oscillator body, an oscillating disk, slide rods, a pressure plate, a first elastic element, and a locking assembly. The oscillating disk is connected to the output end of the oscillator body. There are two slide rods, which are vertically arranged on the upper end of the oscillator body and located on the left and right sides of the oscillating disk, respectively. The slide rods have locking holes on their sides. The pressure plate and the locking assembly are slidably connected to the two slide rods from bottom to top. The first elastic element is fixed between the pressure plate and the locking assembly. When the locking assembly slides longitudinally to align with the locking hole, it can lock with the locking hole to restrict the longitudinal sliding of the locking assembly.
2. A test tube shaker as claimed in claim 1, characterized in that: Both slide rods have locking holes on their sides, and the two locking holes are located on opposite sides of the two slide rods respectively; The locking assembly includes a housing, a bolt, a second elastic element, and a control assembly. The housing has sliding holes on both the left and right sides for the sliding rod to pass through. The inner walls of the two sliding holes are provided with mounting grooves that match the locking holes. The second elastic element and the bolt are sequentially mounted in the two mounting grooves from the inside to the outside. The two bolts are connected to the control assembly, which is used to control the two bolts to extend / retract into the corresponding mounting grooves.
3. A test tube shaker as claimed in claim 2, characterized in that: The control component includes a pull rope and a pressing component. The two ends of the pull rope are respectively connected to two locking bolts. The pressing component slides through the housing, and the part of the pressing component located inside the housing is fixedly connected to the middle of the pull rope.
4. A test tube shaker as claimed in claim 3, characterized in that: The pressing component includes a sliding piece and a pressing piece. There are two sliding pieces, which are fixed to the rear side of the pressing piece and distributed at intervals at the left and right ends of the pressing piece. The front end of the housing has grooves on both the left and right sides, and two sliding pieces pass through the two grooves and are fixed to the pull rope.
5. A test tube shaker as claimed in claim 4, characterized in that: The slider has a first wire hole for the pull rope to pass through, and the pull rope passes through two first wire holes and is bonded and fixed to the two sliders.
6. A test tube shaker as claimed in claim 2, characterized in that: The shell is composed of two structural parts joined together.
7. A test tube shaker as claimed in claim 2, characterized in that: The second elastic element is a threaded spring, which is sleeved on the outside of the pull rope and its two ends abut against the bottom wall of the assembly groove and the inner end of the locking bolt, respectively.
8. A test tube shaker as claimed in claim 3, characterized in that: The bolt is a hollow structure with an open outer end. The inner end of the bolt has a second thread hole that runs through both the inside and outside. The end of the pull rope passes through the second thread hole into the bolt and is tied with a knot that cannot pass through the second thread hole.
9. A test tube shaker as claimed in claim 1, characterized in that: The first elastic element is a threaded spring, which is sleeved on the outside of the slide rod and its two ends are fixedly connected to the pressure plate and the locking assembly, respectively.
10. A test tube shaker as claimed in claim 1, characterized in that: The keyhole is a through hole.