Test tube rack with adjusting function

Abstract

The utility model relates to the technical field of laboratory auxiliary tools, in particular to a test tube rack with an adjusting function, which comprises a fixing component, a first test tube supporting plate, a second test tube supporting plate and a third test tube supporting plate are sequentially and rotatably mounted on the upper portion of the outer wall of the fixing component from top to bottom, and a connecting plate is mounted on one side of the first test tube supporting plate. A fixing plate is mounted at the bottom of one side of the connecting plate, and an anti-skid rubber pad is mounted at the bottom of the fixing plate. According to the improved test tube rack, part of parts of the test tube rack are made of polytetrafluoroethylene materials, and corners of the parts are polished to be smooth, so that fingers of an inspector can be prevented from being cut by the edges of the test tube rack, and meanwhile, through a fixing assembly, a first test tube supporting plate, a second test tube supporting plate and a third test tube supporting plate; the positions of the second test tube supporting plate and the third test tube supporting plate can be rotationally adjusted according to the number of test tubes needing to be borne, and the applicability of the test tube rack is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory auxiliary tools, in particular to a test tube rack with an adjustment function. Background Art

[0002] Laboratory auxiliary tools are various equipment, instruments and tools used to support experimental and research work in scientific research, laboratory experiments or engineering projects. These tools are usually used to improve experimental efficiency, ensure experimental accuracy and safety, and solve specific experimental needs.

[0003] A test tube rack is a common laboratory auxiliary tool used to support test tubes and fix them in a specific position for easy experimental operation or sample processing. Test tube racks are usually made of metal, such as aluminum or stainless steel.

[0004] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. The existing ordinary test tube racks are generally made of metal aluminum, and the corners are generally right angles, which can easily cut operators and pose a safety hazard when used in experiments; 2. The existing ordinary test tube racks can only carry a fixed number of test tubes and cannot be adjusted according to demand, and have poor applicability. Utility Model Content

[0005] The purpose of the present utility model is to provide a test tube rack with an adjustment function, so as to solve the problems raised in the above background technology that the number of test tubes carried by ordinary test tube racks is fixed and cannot be adjusted, and that ordinary test tube racks cut operators. In order to achieve the above purpose, the present utility model provides the following technical solutions: a test tube rack with an adjustment function includes a fixing assembly, a first test tube support plate, a second test tube support plate and a third test tube support plate are installed on the upper part of the outer wall of the fixing assembly in sequence from top to bottom, a connecting plate is installed on one side of the first test tube support plate, a fixing plate is installed on the bottom of one side of the connecting plate, a non-slip rubber pad is installed on the bottom of the fixing plate, a first support assembly is installed at the rear end of the second test tube support plate, a first mounting plate is installed at the bottom of the front end of the first support assembly, a second support assembly is installed at the rear end of the third test tube support plate, and a second mounting plate is installed at the bottom of the front end of the second support assembly.

[0006] The fixing assembly includes an internal threaded tube, a threaded rod is threadedly installed on the inner wall of the internal threaded tube, a rotating knob is installed on the top of the threaded rod, sliding grooves are opened on both sides of the lower inner wall of the internal threaded tube, a rotating block is rotatably installed on the bottom of the threaded rod, sliding blocks are installed on both sides of the rotating block, a first fixing block is installed on the bottom of the rotating block, a first anti-slip rubber ring and a second fixing block are installed on the bottom of the first fixing block, and a second anti-slip rubber ring is installed on the bottom of the second fixing block.

[0007] The first supporting assembly includes a supporting shell installed on the rear end of the second test tube supporting plate, the inner wall of the supporting shell is provided with a first sliding groove and a second sliding groove at both front and rear ends, the inner wall of the first sliding groove is slidably installed with a first slider, the rear end of the first slider is installed with a pushing block, one side of the pushing block is installed with a plurality of springs, the bottom of the pushing block is installed with a connecting block, one side of the connecting block is installed with a first rack, the inner wall of the second sliding groove is slidably installed with a second slider, the rear end of the second slider is installed with a supporting block, the bottom of the supporting block is installed with a supporting foot, and one side of the supporting block is installed with a second rack.

[0008] Further preferably, the connecting plates are symmetrically distributed about the vertical center line of the first test tube support plate, and the first support components are symmetrically distributed about the vertical center line of the second test tube support plate, and the second support components are symmetrically distributed about the vertical center line of the third test tube support plate, and at the same time, the tops of the first test tube support plate, the second test tube support plate and the third test tube support plate are each provided with a plurality of circular holes consistent with the size structure of the outer wall of the test tube.

[0009] Further preferably, the length of the second test tube support plate is shorter than the length of the first test tube support plate, and the length of the third test tube support plate is shorter than the length of the second test tube support plate.

[0010] Further preferably, the rotating block forms a spiral transmission mechanism through the threaded rod and the internal threaded tube, and the sliding block and the sliding groove form a sliding mechanism, and the top of the first mounting plate is provided with a fixed anti-slip rubber ring whose external dimension structure is consistent with the external dimension structure of the first anti-slip rubber ring, and the top of the second mounting plate is provided with a fixed anti-slip rubber ring whose external dimension structure is consistent with the external dimension structure of the second anti-slip rubber ring.

[0011] Further preferably, the first sliding blocks are symmetrically distributed about the vertical center line of the push block, and the push block forms an elastic mechanism with the support shell through a spring.

[0012] Further preferably, the second sliding blocks are symmetrically distributed about the vertical center line of the support block, and the external dimension structure of the second sliding block is consistent with the internal dimension structure of the second sliding groove.

[0013] Further preferably, the materials of the first test tube support plate, the second test tube support plate, the third test tube support plate, the connecting plate, the fixing plate, the supporting shell, the first mounting plate and the second mounting plate are all made of polytetrafluoroethylene, and the edges and corners of the first test tube support plate, the second test tube support plate, the third test tube support plate, the connecting plate, the fixing plate, the supporting shell, the first mounting plate and the second mounting plate are all polished and rounded.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the utility model, the materials of the first test tube support plate, the second test tube support plate, the third test tube support plate, the connecting plate, the fixing plate, the supporting shell, the first mounting plate and the second mounting plate are all made of polytetrafluoroethylene material, and the edges and corners of the first test tube support plate, the second test tube support plate, the third test tube support plate, the connecting plate, the fixing plate, the supporting shell, the first mounting plate and the second mounting plate are all polished and smooth. The polytetrafluoroethylene material replaces the original metal material, and the edges and corners are all polished and smooth, which can prevent the test tube rack from cutting the inspector's fingers, thereby improving the safety of the test tube rack during experiments.

[0016] In the utility model, through the fixing component, the first test tube support plate, the second test tube support plate, the third test tube support plate, the connecting plate, the fixing plate, the first supporting component, the first mounting plate, the second supporting component and the second mounting plate, the circular holes on the first test tube support plate, the second test tube support plate and the third test tube support plate correspond to each other and are connected one by one, the first test tube support plate, the connecting plate and the fixing plate form a layer of test tube rack, the second test tube support plate, the first supporting component and the first mounting plate form a layer of test tube rack, and the third test tube support plate, the second supporting component and the second mounting plate form a layer of test tube rack. According to the use requirements, the second test tube support plate, the first supporting component and the first mounting plate form a layer of test tube rack and the third test tube support plate, the second supporting component and the second mounting plate form a layer of test tube rack, which can be overlapped and stored or opened around the internal threaded tube, thereby improving the applicability of the test tube rack when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the full cross-section structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the fixed component of the utility model;

[0020] Figure 4 For the utility model Figure 3 A is an enlarged structural diagram;

[0021] Figure 5 This is a schematic diagram of the structure of the first mounting plate of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the second mounting plate of the utility model;

[0023] Figure 7 This is a schematic diagram of the full cross-section structure of the first support assembly of the utility model;

[0024] Figure 8 This is a schematic diagram of the full cross-section structure of the support shell of the utility model;

[0025] Fig. 9 This is a schematic diagram of the internal parts structure of the first supporting assembly of the utility model.

[0026] In the figure: 1, fixing assembly; 101, internal threaded tube; 102, threaded rod; 103, rotating knob; 104, sliding groove; 105, rotating block; 106, sliding block; 107, first fixing block; 108, first anti-skid rubber ring; 109, second fixing block; 1010, second anti-skid rubber ring; 2, first test tube support plate; 3, second test tube support plate; 4, third test tube support plate; 5, connecting plate; 6, fixing plate; 7, anti-skid rubber pad; 8, first supporting assembly; 801, supporting shell; 802, first sliding groove; 803, second sliding groove; 804, first sliding block; 805, pushing block; 806, spring; 807, connecting block; 808, first rack; 809, second sliding block; 8010, supporting block; 8011, supporting foot; 8012, second rack; 9, first mounting plate; 10, second supporting assembly; 11, second mounting plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figures 1 to 9 The utility model provides a technical solution: a test tube rack with an adjustment function, comprising a fixing assembly 1, a first test tube supporting plate 2, a second test tube supporting plate 3 and a third test tube supporting plate 4 are rotatably installed on the upper part of the outer wall of the fixing assembly 1 from top to bottom in sequence, a connecting plate 5 is installed on one side of the first test tube supporting plate 2, a fixing plate 6 is installed on the bottom of one side of the connecting plate 5, a non-slip rubber pad 7 is installed on the bottom of the fixing plate 6, a first supporting assembly 8 is installed at the rear end of the second test tube supporting plate 3, a first mounting plate 9 is installed at the bottom of the front end of the first supporting assembly 8, a second supporting assembly 10 is installed at the rear end of the third test tube supporting plate 4, and a second mounting plate 11 is installed at the bottom of the front end of the second supporting assembly 10.

[0029] The fixing assembly 1 includes an internal threaded tube 101, a threaded rod 102 is threadedly installed on the inner wall of the internal threaded tube 101, a rotating knob 103 is installed on the top of the threaded rod 102, sliding grooves 104 are provided on both sides of the lower inner wall of the internal threaded tube 101, a rotating block 105 is rotatably installed on the bottom of the threaded rod 102, sliding blocks 106 are installed on both sides of the rotating block 105, a first fixing block 107 is installed on the bottom of the rotating block 105, a first anti-slip rubber ring 108 and a second fixing block 109 are installed on the bottom of the first fixing block 107, and a second anti-slip rubber ring 1010 is installed on the bottom of the second fixing block 109.

[0030] The first supporting assembly 8 includes a supporting shell 801 installed on the rear end of the second test tube supporting plate 3, and the inner wall of the supporting shell 801 is provided with a first slide groove 802 and a second slide groove 803 at both the front and rear ends, and the inner wall of the first slide groove 802 is slidably installed with a first slider 804, and the rear end of the first slider 804 is provided with a pushing block 805, and one side of the pushing block 805 is provided with a plurality of springs 806, and the bottom of the pushing block 805 is provided with a connecting block 807, and one side of the connecting block 807 is provided with a first rack 808, and the inner wall of the second slide groove 803 is slidably installed with a second slider 809, and the rear end of the second slider 809 is provided with a supporting block 8010, and the bottom of the supporting block 8010 is provided with a supporting foot 8011, and one side of the supporting block 8010 is provided with a second rack 8012.

[0031] In this embodiment, Figure 1 and Figure 2 As shown, the connecting plates 5 are symmetrically distributed about the vertical center line of the first test tube support plate 2, and the first support components 8 are symmetrically distributed about the vertical center line of the second test tube support plate 3, and the second support components 10 are symmetrically distributed about the vertical center line of the third test tube support plate 4, and at the same time, the tops of the first test tube support plate 2, the second test tube support plate 3 and the third test tube support plate 4 are each provided with a plurality of circular holes consistent with the size structure of the outer wall of the test tube; the positions of the circular holes on the first test tube support plate 2, the second test tube support plate 3 and the third test tube support plate 4 correspond to each other one by one, the first test tube support plate 2, the connecting plate 5 and the fixing plate 6 form a layer of test tube rack, the second test tube support plate 3, the first support component 8 and the first mounting plate 9 form a layer of test tube rack, the third test tube support plate 4, the second support component 10 and the second mounting plate 11 form a layer of test tube rack, each layer of the test tube rack can hold test tubes, thereby increasing the number of test tubes that can be placed on the test tube rack.

[0032] In this embodiment, Figure 1 and Figure 2As shown, the length of the second test tube support plate 3 is smaller than that of the first test tube support plate 2, and the length of the third test tube support plate 4 is smaller than that of the second test tube support plate 3; the second test tube support plate 3, the first support assembly 8 and the first mounting plate 9 form a layer of test tube racks and the third test tube support plate 4, the second support assembly 10 and the second mounting plate 11 form a layer of test tube racks that can be overlapped and stored or opened around the internal threaded tube 101, so that more test tube racks can be stored into a single-row rack with a smaller footprint, and a storage function is added to the prototype of the traditional test tube rack.

[0033] In this embodiment, Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the rotating block 105 forms a spiral transmission mechanism through the threaded rod 102 and the internal threaded tube 101, and the sliding block 106 and the sliding groove 104 form a sliding mechanism, and the top of the first mounting plate 9 is provided with a fixed anti-skid rubber ring whose external dimension structure is consistent with the external dimension structure of the first anti-skid rubber ring 108, and the top of the second mounting plate 11 is provided with a fixed anti-skid rubber ring whose external dimension structure is consistent with the external dimension structure of the second anti-skid rubber ring 1010; rotating the rotating knob 103, driving the rotating block 105 to move up and down, the sliding block 106 slides in the sliding groove 104, which can improve the stability of the rotating block 105 when it moves up and down, and the rotating block 105 moves up and down to drive The first fixed block 107, the first anti-slip rubber ring 108, the second fixed block 109 and the second anti-slip rubber ring 1010 move up and down. When the second anti-slip rubber ring 1010 passes through the circular hole in the middle of the first mounting plate 9 and contacts with the fixed anti-slip rubber ring on the second mounting plate 11, the first anti-slip rubber ring 108 contacts with the fixed anti-slip rubber ring on the first mounting plate 9, and the positions of the rotated first mounting plate 9 and the second mounting plate 11 can be fixed, thereby fixing the positions of a layer of test tube rack composed of the second test tube support plate 3, the first support assembly 8 and the first mounting plate 9 and a layer of test tube rack composed of the third test tube support plate 4, the second support assembly 10 and the second mounting plate 11 after rotation adjustment.

[0034] In this embodiment, Figure 7 and Fig. 9 As shown, the first sliders 804 are symmetrically distributed about the vertical center line of the push block 805, and the push block 805 forms an elastic mechanism with the support shell 801 through the spring 806; one end of the spring 806 is installed on the push block 805, and the other end of the spring 806 is installed on one side of the inner wall of the support shell 801. The push block 805 is subjected to the elastic force of the spring 806, so that the first rack 808 on one side of the connecting block 807 is engaged with the second rack 8012, so that the position of the support block 8010 can be fixed.

[0035] In this embodiment, Figure 7 , Figure 8and Fig. 9 As shown, the second sliders 809 are symmetrically distributed about the vertical center line of the support block 8010, and the external dimension structure of the second slider 809 is consistent with the internal dimension structure of the second slide groove 803; when the support block 8010 moves up and down, the second slider 809 moves up and down in the second slide groove 803, which can improve the stability of the up and down movement of the support block 8010, and when the support block 8010 drives the support foot 8011 to move downward, the support foot 8011 contacts the test table, which can support the test tube rack and improve the stability of the test tube rack.

[0036] In this embodiment, Figure 1 , Figure 2 and Figure 7 As shown, the materials of the first test tube support plate 2, the second test tube support plate 3, the third test tube support plate 4, the connecting plate 5, the fixing plate 6, the supporting shell 801, the first mounting plate 9 and the second mounting plate 11 are all made of polytetrafluoroethylene material, and the edges and corners of the first test tube support plate 2, the second test tube support plate 3, the third test tube support plate 4, the connecting plate 5, the fixing plate 6, the supporting shell 801, the first mounting plate 9 and the second mounting plate 11 are all polished and smooth; polytetrafluoroethylene material has the characteristics of corrosion resistance and high and low temperature resistance, which can meet the experimental requirements and replace the metal material. The edges and corners are all polished and smooth, which can prevent the test tube rack from cutting the inspector's fingers, thereby improving the safety of use.

[0037] The use method and advantages of the utility model: The laboratory auxiliary tool test tube rack is improved. When in use, the working process is as follows:

[0038] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9As shown, when using the test tube rack, first rotate the second test tube support plate 3 and the third test tube support plate 4, adjust the second test tube support plate 3 and the third test tube support plate 4 to a suitable position, rotate the rotating knob 103, and the rotating block 105 drives the first fixed block 107, the first anti-skid rubber ring 108, the second fixed block 109 and the second anti-skid rubber ring 1010 to move downward, and the second anti-skid rubber ring 1010 passes through the circular hole in the middle of the first mounting plate 9 and contacts with the fixed anti-skid rubber ring on the second mounting plate 11, and the first anti-skid rubber ring 108 contacts with the fixed anti-skid rubber ring on the first mounting plate 9, fix the position of the rotated first mounting plate 9 and the second mounting plate 11, and then press the push block 805, the first rack 808 is separated from the second rack 8012, and then Pull the support leg 8011 downward until it is adjusted to a suitable position, and release the pushing block 805. The pushing block 805 is subjected to the elastic force of the spring 806, so that the first rack 808 on one side of the connecting block 807 is engaged with the second rack 8012, and the position of the support block 8010 is fixed. Then, the support legs 8011 on the second support assembly 10 at both ends of the first support assembly 8 and the third test tube support plate 4 at the other end of the second test tube support plate 3 are adjusted respectively to place the test tube rack in the use position. When the test tube rack is not needed, rotate the rotating knob 103 upward, and then rotate the second test tube support plate 3 and the third test tube support plate 4 to overlap and store the first test tube support plate 2, the second test tube support plate 3 and the third test tube support plate 4, so that the test tube rack reduces the floor space.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A test tube rack with an adjustable function, comprising a fixing assembly (1), characterized in that: The upper part of the outer wall of the fixing assembly (1) is rotatably mounted with a first test tube support plate (2), a second test tube support plate (3) and a third test tube support plate (4) in sequence from top to bottom; a connecting plate (5) is mounted on one side of the first test tube support plate (2); a fixing plate (6) is mounted on the bottom of one side of the connecting plate (5); a non-slip rubber pad (7) is mounted on the bottom of the fixing plate (6); a first supporting assembly (8) is mounted on the rear end of the second test tube support plate (3); a first mounting plate (9) is mounted on the bottom of the front end of the first supporting assembly (8); a second supporting assembly (10) is mounted on the rear end of the third test tube support plate (4); and a second mounting plate (11) is mounted on the bottom of the front end of the second supporting assembly (10); The fixing assembly (1) comprises an internal threaded tube (101), a threaded rod (102) is threadedly mounted on the inner wall of the internal threaded tube (101), a rotating knob (103) is mounted on the top of the threaded rod (102), sliding grooves (104) are provided on both sides of the lower inner wall of the internal threaded tube (101), a rotating block (105) is rotatably mounted on the bottom of the threaded rod (102), sliding blocks (106) are mounted on both sides of the rotating block (105), a first fixing block (107) is mounted on the bottom of the rotating block (105), a first anti-slip rubber ring (108) and a second fixing block (109) are mounted on the bottom of the first fixing block (107), and a second anti-slip rubber ring (1010) is mounted on the bottom of the second fixing block (109); The first support assembly (8) comprises a support shell (801) mounted on the rear end of the second test tube support plate (3); the inner wall of the support shell (801) is provided with a first slide groove (802) and a second slide groove (803) at both the front and rear ends; the inner wall of the first slide groove (802) is slidably provided with a first slider (804); the rear end of the first slider (804) is provided with a push block (805); one side of the push block (805) is provided with a plurality of springs (806); A connecting block (807) is installed at the bottom of the pushing block (805), a first rack (808) is installed on one side of the connecting block (807), a second slider (809) is slidably installed on the inner wall of the second slide groove (803), a supporting block (8010) is installed at the rear end of the second slider (809), a supporting foot (8011) is installed at the bottom of the supporting block (8010), and a second rack (8012) is installed on one side of the supporting block (8010).

2. The test tube rack with adjustment function according to claim 1, characterized in that: The connecting plates (5) are symmetrically arranged about the vertical center line of the first test tube support plate (2), the first support components (8) are symmetrically arranged about the vertical center line of the second test tube support plate (3), and the second support components (10) are symmetrically arranged about the vertical center line of the third test tube support plate (4), and the tops of the first test tube support plate (2), the second test tube support plate (3) and the third test tube support plate (4) are all provided with a plurality of circular holes having a size structure consistent with the outer wall of the test tube.

3. The test tube rack with adjustment function according to claim 1, characterized in that: The length of the second test tube support plate (3) is shorter than the length of the first test tube support plate (2), and the length of the third test tube support plate (4) is shorter than the length of the second test tube support plate (3).

4. The test tube rack with adjustment function according to claim 1, characterized in that: The rotating block (105) forms a spiral transmission mechanism through the threaded rod (102) and the internal threaded tube (101), and the sliding block (106) and the sliding groove (104) form a sliding mechanism, and the top of the first mounting plate (9) is provided with a fixed anti-slip rubber ring whose external dimension structure is consistent with the external dimension structure of the first anti-slip rubber ring (108), and the top of the second mounting plate (11) is provided with a fixed anti-slip rubber ring whose external dimension structure is consistent with the external dimension structure of the second anti-slip rubber ring (1010).

5. The test tube rack with adjustment function according to claim 1, characterized in that: The first sliding blocks (804) are symmetrically distributed about the vertical center line of the pushing block (805), and the pushing block (805) forms an elastic mechanism with the supporting shell (801) through the spring (806).

6. The test tube rack with adjustment function according to claim 1, characterized in that: The second sliding blocks (809) are symmetrically distributed about the vertical center line of the support block (8010), and the external dimension structure of the second sliding block (809) is consistent with the internal dimension structure of the second sliding groove (803).

7. The test tube rack with adjustment function according to claim 1, characterized in that: The materials of the first test tube support plate (2), the second test tube support plate (3), the third test tube support plate (4), the connecting plate (5), the fixing plate (6), the supporting shell (801), the first mounting plate (9) and the second mounting plate (11) are all made of polytetrafluoroethylene material, and the edges and corners of the first test tube support plate (2), the second test tube support plate (3), the third test tube support plate (4), the connecting plate (5), the fixing plate (6), the supporting shell (801), the first mounting plate (9) and the second mounting plate (11) are all polished and smooth.

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