CN211051563U - Fixed digestion tube sample weighing stabilizing device - Google Patents

Abstract

The utility model discloses a fixed digestion tube sample weighing stabilising arrangement, include: a fixed seat and a fixed groove; the fixing base is provided with a fixing groove, the outer side of the fixing groove is annular, and the outer side of the fixing groove is of an equal-angle structure, three reserved grooves are formed in the inner portion of each reserved groove, a screw rod is arranged on the outer wall of the screw rod in a rolling mode, a clamping rod is arranged on the outer wall of each nut seat, an elastic assembly is arranged at the bottom of the fixing base, a bottom plate is arranged at the bottom of the elastic assembly, and the bottom of the bottom plate is annular and provided with a sucker in an equal. The utility model discloses in, this fixed alimentary pipe calls appearance stabilising arrangement adopts the linear movement mode of lead screw cooperation nut seat, can carry out the regulation of size to the centre gripping internal diameter of three supporting rod respectively to the fixed demand of centre gripping of different diameters and different length alimentary pipes has been satisfied in the combination centre gripping effect of cooperation centre gripping subassembly, prevents that the alimentary pipe from taking place the phenomenon of alimentary pipe slope when calling the appearance operation, has ensured the stability of calling the appearance operation.

Description

Fixed digestion tube sample weighing stabilizing device

Technical Field

The utility model relates to a technical field is got to the test tube clamp, especially relates to fixed digestion tube title appearance stabilising arrangement.

Background

The test tube is the instrument that chemistry experiment room commonly used, is used as the reaction vessel in a small amount of reagent, uses when normal atmospheric temperature or heating, and the test tube divides multiple such as ordinary test tube, utensil branch test tube, centrifugal test tube, and the digestion tube of kelly azotometer highly too high, and the digestion tank of microwave digestion appearance touches the outer wall of digestion tube easily when the title appearance operation and leads to the digestion tube position slope, leads to the phenomenon that the sample is difficult to accurately pour into, consequently needs to carry out centre gripping fixed operation to the digestion tube.

However, the conventional sample weighing and stabilizing device for the digestion tube can only clamp and fix test tubes with single diameter or specific diameter, and the clamping range of the clamping mechanism cannot be freely and flexibly adjusted, so that the application range of the sample weighing and stabilizing device for the digestion tube is small, and the use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fixed digestion tube weighing and stabilizing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the fixed digestion tube sample weighing and stabilizing device comprises: a fixed seat and a fixed groove;

the fixing seat is positioned on the outer side of the fixing groove and is provided with three preformed grooves in an annular and equal-angle structure;

a lead screw is arranged in the reserved groove;

the outer wall of the lead screw is connected with a nut seat in a rolling manner, and the outer wall of the nut seat is provided with a clamping rod;

the horizontal tail end of the clamping rod is provided with a contact;

the bottom of the fixed seat is provided with an elastic component, and the bottom of the elastic component is provided with a bottom plate;

the bottom of the bottom plate is annular and is provided with a sucker in an equal-angle structure.

As a further description of the above technical solution:

the outer walls of the two sides of the nut seat are symmetrically provided with limiting rods;

limiting grooves are symmetrically formed in the inner walls of the vertical ends of the two sides of the reserved groove;

through the mutual embedding of gag lever post and spacing groove, with nut seat and preformed groove sliding connection.

As a further description of the above technical solution:

the device also comprises a clamping component;

the clamping assembly consists of four support legs and a clamping plate, wherein the four support legs are distributed on the outer wall of the clamping plate at equal angles;

the vertical ends of the four support legs are correspondingly clamped with grooves formed in the fixed seat;

the surface of the clamping plate is provided with a clamping hole.

As a further description of the above technical solution:

the inner wall of the clamping hole is adhered with a sponge gasket;

and the outer side of the clamping hole on the clamping plate is provided with a liquid collecting groove, and the cross section of the liquid collecting groove is of an annular structure.

As a further description of the above technical solution:

the elastic component consists of a mandril, a spring and a sleeve;

one end of the ejector rod is connected with the fixed seat, and the other end of the ejector rod is elastically connected with one end of the spring;

the other end of the spring is elastically connected with the inner wall of the sleeve, and the sleeve is connected with the bottom plate;

and a balance rod is connected between the two ejector rods.

As a further description of the above technical solution:

the device also comprises a roller;

the roller is sleeved on the lead screw and is close to one end of the groove;

the roller is of a semi-convex structure.

Advantageous effects

The utility model provides a fixed digestion tube sample weighing and stabilizing device. The method has the following beneficial effects:

(1): this fixed alimentary pipe weighs appearance stabilising arrangement adopts the linear movement mode of lead screw cooperation nut seat, can carry out the regulation of size to the centre gripping internal diameter of three supporting rod respectively to the fixed demand of centre gripping of different diameters and different length alimentary pipes's centre gripping effect has been satisfied in the combination centre gripping effect of cooperation centre gripping subassembly, prevents that the alimentary pipe from taking place the phenomenon of alimentary pipe slope when weighing appearance operation, has ensured the stability of weighing appearance operation.

(2): this fixed digestion tube weighs appearance stabilising arrangement can play the effect of sealed protection to the inner wall in centre gripping hole through the sponge gasket that sets up, prevents to weigh the phenomenon that the appearance operation took place liquid drippage to the fixing base to the collecting tank can carry out comprehensive effectual collection processing to the liquid that drips, and further has avoided taking place the condition that liquid is unrestrained and the pollution device.

Drawings

FIG. 1 is a schematic view of the overall structure of the fixed digestion tube sample weighing and stabilizing device provided by the present invention;

FIG. 2 is a schematic cross-sectional view of the clamping assembly of the present invention;

FIG. 3 is a schematic cross-sectional view of the fixing base of the present invention;

FIG. 4 is a schematic side view of the connection between the preformed groove and the lead screw according to the present invention;

fig. 5 is a schematic view of the internal structure of the middle elastic component according to the present invention.

Illustration of the drawings:

1. a clamping assembly; 11. a support leg; 12. a clamping plate; 121. a liquid collecting tank; 122. a clamping hole; 123. a sponge pad; 2. a fixed seat; 21. a groove; 22. fixing grooves; 23. reserving a groove; 231. a limiting groove; 24. a roller; 25. a lead screw; 26. a nut seat; 261. a limiting rod; 27. a clamping rod; 28. a contact; 3. an elastic component; 31. a top rod; 32. a spring; 33. a sleeve; 4. a base plate; 5. a balancing pole; 6. and (4) sucking discs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1 and 3, the fixed digestion tube weighing and stabilizing device comprises: a fixed seat 2 and a fixed groove 22;

the fixed seat 2 is positioned on the outer side of the fixed groove 22 and is provided with three reserved grooves 23 in an annular and equal-angle structure;

a screw 25 is arranged in the preformed groove 23;

the outer wall of the screw 25 is connected with a nut seat 26 in a rolling way, and the outer wall of the nut seat 26 is provided with a clamping rod 27;

the horizontal end of the clamping rod 27 is provided with a contact 28;

the bottom of the fixed seat 2 is provided with an elastic component 3, and the bottom of the elastic component 3 is provided with a bottom plate 4;

the bottom of the bottom plate 4 is annular and is provided with a sucker 6 in an equiangular structure;

the device also comprises a roller 24, the roller 24 is sleeved on the screw 25 and is close to one end of the groove 21, and the roller 24 is of a semi-convex structure.

The working principle is as follows: adsorb bottom plate 4 through sucking disc 6 and connect in the use place, ensure fixing device's overall stability, in embedding the fixed slot 22 with the bottom of digestion tube, anticlockwise rotation gyro wheel 24, gyro wheel 24 can drive lead screw 25 and carry out anticlockwise rotation this moment, meanwhile, nut seat 26 can be on lead screw 25 to the centre of a circle position linear movement of fixed slot 22, and promote clamping rod 27 and make its drive contact 28 gradual outer wall that is close to the digestion tube, and then make three clamping rod 27 carry out the fixed operation of centre gripping of multiposition to the outer wall of digestion tube respectively, the fixed demand of the digestion tube of different diameters size has also been satisfied.

As shown in fig. 4, the outer walls of the two sides of the nut seat 26 are symmetrically provided with the limiting rods 261, the inner walls of the vertical ends of the two sides of the preformed groove 23 are symmetrically provided with the limiting grooves 231, and the nut seat 26 is slidably connected with the preformed groove 23 by the mutual embedding of the limiting rods 261 and the limiting grooves 231, so that the nut seat 26 does not rotate when moving on the screw rod 25, thereby ensuring that the clamping rods 27 can move in a relatively horizontal state to clamp and fix the digestion tube.

As shown in fig. 1, fig. 2 and fig. 3, the disposable digestive tract bracket further comprises a clamping assembly 1, the clamping assembly 1 is composed of four support legs 11 and a clamping plate 12, wherein the four support legs 11 are distributed on the outer wall of the clamping plate 12 at equal angles, the vertical ends of the four support legs 11 are respectively clamped with the corresponding grooves 21 formed in the fixing base 2, clamping holes 122 are formed in the surface of the clamping plate 12, the digestion tract with the lengthened length penetrates through the clamping holes 122 and downwards enters the fixing grooves 22, the outer wall of the digestion tract can be highly fixed, and the phenomenon that the digestion tract with the lengthened length is inclined is prevented.

As shown in fig. 2, a sponge gasket 123 is adhered to the inner wall of the clamping hole 122, a liquid collecting groove 121 is formed in the outer side of the clamping plate 12, which is located in the clamping hole 122, the cross section of the liquid collecting groove 121 is of an annular structure, the sponge gasket 123 can play a role in sealing protection for the inner wall of the clamping hole 122, and prevents the phenomenon that liquid drips on the fixing base 2 when the sample weighing operation is performed, and the liquid collecting groove 121 can comprehensively and effectively collect and process the dripped liquid, thereby further avoiding the situation that the liquid drips to pollute the device.

As shown in fig. 5, elastic component 3 is by ejector pin 31, spring 32 and sleeve pipe 33 are constituteed, the one end and the fixing base 2 of ejector pin 31 are connected, the other end and the one end elastic connection of spring 32, the other end and the inner wall elastic connection of sleeve pipe 33 of spring 32, and sleeve pipe 33 is connected with bottom plate 4, be connected with balancing pole 5 between two ejector pins 31, when fixing device received external force extrusion, external force can conduct on elastic component 3, ejector pin 31 can be extrudeed downwards this moment, thereby with spring 32 compression deformation, make ejector pin 31 imbed in the sleeve pipe 33, shorten elastic component 3's height, and then play the absorbing guard action of elastic buffer to fixing device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Fixed digestion tube title appearance stabilising arrangement, its characterized in that includes: a fixed seat (2) and a fixed groove (22);

the fixing seat (2) is positioned on the outer side of the fixing groove (22) and is provided with three preformed grooves (23) in an annular and equal-angle structure;

a screw rod (25) is arranged in the preformed groove (23);

the outer wall of the lead screw (25) is connected with a nut seat (26) in a rolling way, and the outer wall of the nut seat (26) is provided with a clamping rod (27);

the horizontal tail end of the clamping rod (27) is provided with a contact (28);

an elastic component (3) is arranged at the bottom of the fixed seat (2), and a bottom plate (4) is arranged at the bottom of the elastic component (3);

the bottom of the bottom plate (4) is annular and is provided with a sucker (6) in an equal-angle structure.

2. The fixed digestion tube sample-weighing stabilizing device as claimed in claim 1, wherein the outer walls of both sides of the nut seat (26) are symmetrically provided with limit rods (261);

limiting grooves (231) are symmetrically formed in the inner walls of the vertical ends of the two sides of the reserved groove (23);

the nut seat (26) is in sliding connection with the reserved groove (23) through mutual embedding of the limiting rod (261) and the limiting groove (231).

3. The fixed digester sample weighing and stabilizing device according to claim 1, further comprising a clamping assembly (1);

the clamping assembly (1) consists of four support legs (11) and a clamping plate (12), wherein the four support legs (11) are distributed on the outer wall of the clamping plate (12) at equal angles;

the vertical ends of the four support legs (11) are correspondingly clamped with grooves (21) formed in the fixed seat (2) respectively;

the surface of the clamping plate (12) is provided with a clamping hole (122).

4. The fixed digestion tube sample-weighing stabilizing device as claimed in claim 3, wherein a sponge pad (123) is adhered to the inner wall of the holding hole (122);

and a liquid collecting groove (121) is formed in the clamping plate (12) and located on the outer side of the clamping hole (122), and the cross section of the liquid collecting groove (121) is of an annular structure.

5. The fixed digestion tube weighing and stabilizing device according to claim 1, wherein the elastic assembly (3) is composed of a mandril (31), a spring (32) and a sleeve (33);

one end of the ejector rod (31) is connected with the fixed seat (2), and the other end of the ejector rod is elastically connected with one end of the spring (32);

the other end of the spring (32) is elastically connected with the inner wall of the sleeve (33), and the sleeve (33) is connected with the bottom plate (4);

a balance rod (5) is connected between the two ejector rods (31).

6. The fixed digester sample weighing stabilizing device according to claim 1, further comprising a roller (24);

the roller (24) is sleeved on the lead screw (25) and is close to one end of the groove (21);

the roller (24) is of a semi-convex structure.

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