Sample bracket for detection of spectrophotometer

Abstract

The sample support comprises a sliding base, a clamping seat is fixedly installed on the upper surface of the sliding base, a sample support body is arranged above the clamping seat, three sample grooves which are distributed front and back are formed in the sample support body, and metal pressing pieces which are symmetrically distributed are fixedly installed on the two sides of the inner wall of each sample groove. By designing the fixing structure, when the sample holder is used and the size of the sample holder needs to be changed, the pull ring is pulled, the pressing plate is moved in the slot through the first connecting rod, so that the clamping groove is separated from the clamping block, the fixation of the clamping seat and the sample holder is released, and at the moment, a worker can replace the required sample holder; and in the replacement process, the insertion plate is inserted into the insertion groove, the pressing plate moves towards the insertion plate under the elastic force of the pressure spring, and the clamping groove is in butt joint with the clamping block, so that the replaced sample bracket is fixed to adapt to cuvettes of different sizes, and the cost is reduced while the applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sample detection support technical field, concretely is a kind of for spectrophotometer detection with sample support. BACKGROUND

[0002] Spectrophotometer is scientific instrument that complex light is decomposed into spectral line, different light source has its characteristic emission spectrum, so different luminous body can be used as the light source of instrument, the emission spectrum of tungsten lamp, the spectral light of 380~780nm wavelength emitted by tungsten lamp light source can be obtained by refracting after three-prism, and the continuous chromatogram composed of red, orange, yellow, green, blue, indigo and purple can be used as the light source of visible light spectrophotometer.

[0003] At present, when spectrophotometer is used, generally, blank liquid and determination liquid are poured into cuvette respectively, and the cuvette is placed on sample holder inside sample chamber, but as the size of cuvette produced by different manufacturers is different, and the size of sample holder inside spectrophotometer sample chamber is fixed, it cannot adapt to different cuvettes, and the applicability is poor, and the cost is increased. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of for spectrophotometer detection with sample support to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for spectrophotometer detection with solid sample support, including sliding base, fixed mounting is installed on the upper surface of sliding base, the sample support is provided in the upper portion of the clasp, the inside of the sample support is provided with three sample grooves distributed in front and back, the inner wall of the sample groove is fixedly installed with the metal pressing tablet of symmetrical distribution, the inside of the clasp is provided with two fixed structures of symmetrical distribution in front and back, two insertion slots are formed in the surface of the clasp.

[0006] As a further description of the utility model: the fixed structure includes the pressing plate in the insertion slot, the outer wall of the one side of the pressing plate is formed with the clamping groove, the bottom of the sample support is fixedly installed with the plugboard, the side wall close to the pressing plate of the plugboard is formed with the clamping block that can be clamped with the clamping groove.

[0007] As a further description of the utility model: the side wall away from the clamping groove of the pressing plate is fixedly installed with the first connecting rod, the first connecting rod is slidably connected with the clasp, the end away from the pressing plate of the first connecting rod is fixedly installed with the pull ring, the pressure spring is slidably sleeved on the first connecting rod, and the two ends of the pressure spring are fixedly connected with the pressing plate and the clasp respectively.

[0008] As a further description of the utility model: the metal pressing tablet has certain elasticity, and the cross section of the metal pressing tablet is trapezoidal.

[0009] As a further description of the utility model: the second connecting rod is fixedly installed on the front side wall of the sliding base, the second connecting rod is in sliding connection with the spectrophotometer, and the end, away from the sliding base, of the second connecting rod is fixedly installed with a connecting ring.

[0010] As a further description of the utility model: the sliding base is internally provided with guide rails in sliding connection with the two sides of the second connecting rod, the guide rails are fixedly installed in the sample chamber inside the spectrophotometer, the surface of the guide rails is provided with convex points, and the sliding base is internally provided with semicircular grooves accommodating the convex points.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a fixing structure for a sample support for spectrophotometer detection, when the size of the sample groove needs to be replaced, the pull ring is pulled, the pressing plate is moved in the slot, the clamping groove is separated from the clamping block, the fixing between the clamping seat and the sample support is released, the required sample support can be replaced, the plug plate is inserted into the slot, the pressing plate is moved to the plug plate under the elastic force of the pressure spring, the clamping groove is butted with the clamping block, the replaced sample support is fixed, different sizes of cuvettes can be adapted, the applicability is improved, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the distribution structure schematic diagram of the clamping seat and the sample support of the utility model;

[0015] Figure 3 It is the fixing structure schematic diagram of the utility model;

[0016] Figure 4 It is the enlarged structure schematic diagram of the place A of the utility model.

[0017] In the drawing: 1, sliding base;2, clamping seat;3, sample support;4, sample groove;5, metal pressing sheet;6, fixing structure;601, pressing plate;602, clamping groove;603, first connecting rod;604, pull ring;605, pressure spring;7, slot;8, plug plate;9, clamping block;10, second connecting rod;11, connecting ring;12, guide rail;13, convex point. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a sample support for spectrophotometer detection, including sliding base 1, the upper surface fixed mounting of sliding base 1 has the clamping seat 2, the upper portion of clamping seat 2 is provided with sample support 3, and the inside of sample support 3 is provided with three sample grooves 4 that distribute in front and back, and the inner wall of sample groove 4 is fixedly installed with the metal pressing piece 5 that distributes symmetrically, and the inside of clamping seat 2 is provided with two fixed structures 6 that distribute symmetrically in front and back, and the surface of clamping seat 2 is provided with two insertion slots 7.

[0020] In the embodiment: fixed structure 6 includes the pressing plate 601 in the insertion slot 7, the side wall of pressing plate 601 is provided with the clamping groove 602, the bottom of sample support 3 is fixedly installed with the insertion plate 8, and the side wall close to pressing plate 601 of insertion plate 8 is provided with the clamping block 9 that can be connected with clamping groove 602.

[0021] Specific use: clamping block 9 can butt joint to clamping groove 602, so as to fix sample support 3 on the upper surface of clamping seat 2.

[0022] In the embodiment: the side wall of pressing plate 601 away from clamping groove 602 is fixedly installed with the first connecting rod 603, the first connecting rod 603 is slidably connected with clamping seat 2, one end of first connecting rod 603 away from pressing plate 601 is fixedly installed with the pull ring 604, the pressure spring 605 is slidably sleeved on the first connecting rod 603, and both ends of pressure spring 605 are fixedly connected with pressing plate 601 and clamping seat 2 respectively.

[0023] Specific use: when replacing sample support 3 of different sizes, insertion plate 8 is inserted into the inside of insertion slot 7, pressing plate 601 receives the elastic force of pressure spring 605, and moves to the direction of insertion plate 8, so that clamping groove 602 is butt joint with clamping block 9, thereby fixing the replaced sample support 3.

[0024] In the embodiment: the metal pressing piece 5 has certain elasticity, and the cross section of metal pressing piece 5 is trapezoidal.

[0025] Specific use: metal pressing piece 5 can fix the colorimetric cup placed in the inside of sample groove 4.

[0026] In the embodiment, the second connecting rod 10 is fixedly installed on the front side wall of the sliding base 1, and the second connecting rod 10 is in sliding connection with the spectrophotometer.

[0027] In use, the second connecting rod 10 and the connecting ring 11 facilitate the adjustment of the position of the sliding base 1 on the guide rail 12.

[0028] In the embodiment, the guide rail 12 is in sliding connection with the two sides of the second connecting rod 10 in the sliding base 1, the guide rail 12 is fixedly installed in the sample chamber in the spectrophotometer, the guide rail 12 is provided with the convex points 13, and the sliding base 1 is provided with the semicircular grooves accommodating the convex points 13.

[0029] In use, the sliding base 1 can slide back and forth along the guide rail 12 to adjust the position of the cuvette and the light path, the convex points 13 are in sliding connection with the guide rail 12, the reset spring is installed between the bottom of the convex points 13 and the guide rail 12, and the convex points 13 can stop the sliding base 1 after the cuvette slides to the position of the light path of the spectrophotometer.

[0030] Working principle: when it is necessary to replace the sample groove 4 in use, the pull ring 604 is pulled, the pressing plate 601 is moved in the insertion slot 7 through the first connecting rod 603, the clamping groove 602 is separated from the clamping block 9, the fixing of the clamping seat 2 and the sample support 3 is released, the sample support 3 required to be replaced can be replaced by the worker, the insertion plate 8 is inserted into the insertion slot 7 in the replacement process, the pressing plate 601 is moved in the direction of the insertion plate 8 under the elastic force of the pressure spring 605, the clamping groove 602 is in butt joint with the clamping block 9, and the replaced sample support 3 is fixed, so that the cuvette of different sizes is adapted, the applicability is improved, and the cost is reduced.

[0031] The contents not described in detail in the description belong to the prior art known by the person skilled in the art, although the utility model has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified or equivalent replaced by the person skilled in the art, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sample holder for use in spectrophotometric detection comprising a sliding base (1) characterised in that: The sliding base (1) upper surface is fixedly installed with a clamping seat (2), the clamping seat (2) top is provided with a sample support (3), the sample support (3) inside is provided with three sample grooves (4) distributed in front and back, the sample groove (4) inner wall both sides are fixedly installed with symmetrically distributed metal pressing tablets (5), the clamping seat (2) inside is provided with two front and back symmetrically distributed fixed structures (6), the clamping seat (2) surface is provided with two insertion grooves (7), the fixed structure (6) includes the pressing plate (601) in the insertion groove (7), the pressing plate (601) one side outer wall is provided with a clamping groove (602), the sample support (3) bottom is fixedly installed with an insertion plate (8), the insertion plate (8) is close to the side wall of the pressing plate (601) and is provided with the clamping block (9) that can be connected with the clamping groove (602), the pressing plate (601) is away from the side wall of the clamping groove (602) and is fixedly installed with a first connecting rod (603), the first connecting rod (603) is slidably connected with the clamping seat (2), the first connecting rod (603) is fixedly installed with a pull ring (604) at the end away from the pressing plate (601), the first connecting rod (603) is slidably provided with a pressure spring (605), and the both ends of the pressure spring (605) are fixedly connected with the pressing plate (601) and the clamping seat (2) respectively.

2. A sample holder for use in spectrophotometric detection according to claim 1, characterized in that: The metal pressing tablet (5) has a certain elasticity, and the cross section of the metal pressing tablet (5) is trapezoidal.

3. A sample holder for use in spectrophotometric detection according to claim 1, characterized in that: The sliding base (1) front side wall is fixedly installed with a second connecting rod (10), the second connecting rod (10) is slidably connected with a spectrophotometer, and the second connecting rod (10) is fixedly installed with a connecting ring (11) at the end away from the sliding base (1).

4. A sample holder for use in spectrophotometric detection according to claim 1, characterized in that: The sliding base (1) inside is slidably connected with a guide rail (12) at the both sides of the second connecting rod (10), the guide rail (12) is fixedly installed in a sample chamber in the spectrophotometer, the guide rail (12) surface is provided with a convex point (13), and the sliding base (1) inside is provided with a semicircular groove accommodating the convex point (13).

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