Quick-mounting test tube fixing frame

Abstract

The utility model is applicable to the technical field of detection, and provides a quick-mounting test tube fixing frame, which comprises a base, a test tube positioning frame fixed at the upper end of the base, and a V-shaped groove arranged on the side wall of the test tube positioning frame, a swing rod fixing hole is formed in the side wall of the test tube positioning frame, and a swing rod is rotationally connected into the swing rod fixing hole; the tail end of the swing rod is rotationally connected with a roller; the roller is positioned on one side, close to the V-shaped groove, of the test tube positioning frame; a torsional spring fixing groove is formed in the side wall of the test tube positioning frame, a torsional spring is fixed in the torsional spring fixing groove, and the tail end of the torsional spring is fixed to the swing rod. The test tube holder is simple in structure, rapid clamping and repeated positioning of a test tube in the test tube holder are achieved through the elastic swing rod structure, and the test tube holder is high in clamping speed, high in repeated positioning precision, durable, convenient to install and stable in performance, does not affect a light path in measurement and does not cause light loss.

Description

Technical Field

[0001] The utility model belongs to the field of detection technology, and in particular relates to a quick-install test tube fixing rack. Background Art

[0002] A test tube rack is a basic piece of laboratory equipment used in chemistry labs for storing (sometimes also for observing experimental results) and drying test tubes. The rack is equipped with a corresponding number of small wooden posts and holes. Those with holes can be used to store test tubes upright for later use or to continue observing reactions. Those with posts can be used to store cleaned test tubes upside down for drying.

[0003] When testing, the existing test tube racks are time-consuming and labor-intensive to clamp the test tubes. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a quick-install test tube fixing rack, aiming to solve the problem that the existing test tube rack is time-consuming and labor-intensive to clamp the test tube during testing.

[0005] The utility model is implemented as follows: a quick-install test tube fixing rack comprises a base and a test tube positioning rack fixed to the upper end of the base, further comprising: a V-shaped groove provided on the side wall of the test tube positioning rack, a test tube seat fixing hole provided on the base; a swing rod fixing hole provided on the side wall of the test tube positioning rack, a swing rod rotatably connected in the swing rod fixing hole; a roller rotatably connected to the end of the swing rod, the roller being located on a side of the test tube positioning rack close to the V-shaped groove; a torsion spring fixing groove provided on the side wall of the test tube positioning rack, a torsion spring fixed in the torsion spring fixing groove, and the end of the torsion spring fixed on the swing rod.

[0006] According to a further technical solution, a test tube positioning frame fixing hole is provided on the base, an M3 flat head screw is provided in the test tube positioning frame fixing hole, and the M3 flat head screw is threadedly connected to the lower end of the test tube positioning frame.

[0007] According to a further technical solution, a penetrating light path hole is provided on the side wall of the test tube positioning rack.

[0008] According to a further technical solution, the roller is sleeved at the end of the rocker arm, and two C-shaped card fixing slots are provided on the rocker arm. C-shaped cards are provided on both C-shaped card fixing slots, and the two C-shaped cards are respectively located at both ends of the roller.

[0009] According to a further technical solution, an M3 machine-threaded pan head screw is connected through the fixing hole of the test tube holder, and a flat washer is sleeved on the M3 machine-threaded pan head screw.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] The utility model provides a quick-install test tube fixing rack. The product has a simple structure and realizes the rapid clamping and repeated positioning of the test tube in the test tube holder by utilizing an elastic rocker structure. The product has a fast clamping speed, high repeated positioning accuracy, durability, easy installation, stable performance, and does not affect the light path during measurement, and will not cause light loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural diagram of a quick-install test tube fixing rack provided by the utility model;

[0013] Figure 2 The utility model provides Figure 1 Schematic diagram of the structure when looking up at the tilt angle;

[0014] Figure 3 The utility model provides Figure 2 Schematic diagram of the structure from the rear angle;

[0015] Figure 4 The utility model provides Figure 1 Exploded diagram.

[0016] In the accompanying drawings: test tube positioning frame 1, light path hole 2, rocker arm fixing hole 3, torsion spring fixing slot 4, rocker arm 5, M3 flat head screw 6, M3 machine pan head screw 7, flat washer 8, test tube positioning frame fixing hole 9, base 10, roller 11, C-type card 12, C-type card fixing slot 13, torsion spring 14, test tube holder fixing hole 15, V-shaped slot 16. DETAILED DESCRIPTION

[0017] In order to make the purpose, 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 only used to explain the present invention and are not intended to limit the present invention.

[0018] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0019] like Figures 1-4As shown, a quick-install test tube fixing rack provided by an embodiment of the present invention includes a base 10 and a test tube positioning rack 1 fixed to the upper end of the base 10. Specifically, the base 10 is provided with a test tube positioning rack fixing hole 9, and an M3 flat head screw 6 is provided in the test tube positioning rack fixing hole 9. The M3 flat head screw 6 is threadedly connected to the lower end of the test tube positioning rack 1. The utility model further includes: a V-shaped groove 16 provided on the side wall of the test tube positioning rack 1, a light path hole 2 is provided on the side wall of the test tube positioning rack 1, and a test tube seat fixing hole 15 is provided on the base 10; a swing rod fixing hole 3 is provided on the side wall of the test tube positioning rack 1, and a swing rod 5 is rotatably connected in the swing rod fixing hole 3. ; The end of the pendulum rod 5 is rotatably connected to a roller 11, and the roller 11 is sleeved on the end of the pendulum rod 5. The pendulum rod 5 is provided with two C-shaped card fixing grooves 13, and the two C-shaped card fixing grooves 13 are provided with C-shaped clips 12. The two C-shaped clips 12 are respectively located at both ends of the roller 11, and the roller 11 is located on the side of the test tube positioning frame 1 close to the V-shaped groove 16; a torsion spring fixing groove 4 is provided on the side wall of the test tube positioning frame 1, and a torsion spring 14 is fixed in the torsion spring fixing groove 4, and the end of the torsion spring 14 is fixed on the pendulum rod 5, and an M3 machine tooth pan head screw 7 is connected through the test tube holder fixing hole 15, and a flat washer 8 is sleeved on the M3 machine tooth pan head screw 7.

[0020] When the measuring rod 1 is in the state of being moved, the measuring rod 11 is moved along the guide rail 14 and the guide rail 12 is moved along the guide rail 13 so that the measuring rod 12 can be moved along the guide rail 14.

[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A quick-install test tube holder, comprising a base and a test tube positioning frame fixed on the upper end of the base, characterized in that: Also includes: The side wall of the test tube positioning frame is provided with a V-shaped groove, and the base is provided with a test tube seat fixing hole; A swing rod fixing hole is provided on the side wall of the test tube positioning frame, and a swing rod is rotatably connected in the swing rod fixing hole; The end of the swing rod is rotatably connected to a roller, and the roller is located on a side of the test tube positioning frame close to the V-shaped groove; A torsion spring fixing groove is provided on the side wall of the test tube positioning frame. A torsion spring is fixed in the torsion spring fixing groove, and the end of the torsion spring is fixed on the swing rod.

2. The quick-install test tube holder according to claim 1, characterized in that: The base is provided with a test tube positioning frame fixing hole, an M3 flat head screw is provided in the test tube positioning frame fixing hole, and the M3 flat head screw is threadedly connected to the lower end of the test tube positioning frame.

3. The quick-install test tube holder according to claim 1, characterized in that: A penetrating light path hole is provided on the side wall of the test tube positioning frame.

4. The quick-install test tube holder according to claim 1, characterized in that: The roller is sleeved on the end of the swing rod, and the swing rod is provided with two C-shaped card fixing grooves. The two C-shaped card fixing grooves are both provided with C-shaped cards, and the two C-shaped cards are respectively located at the two ends of the roller.

5. The quick-install test tube holder according to claim 1, characterized in that: An M3 machine-thread pan head screw is connected through the fixing hole of the test tube holder, and a flat washer is sleeved on the M3 machine-thread pan head screw.

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