CN212035499U - Fish hypoxia stress test device - Google Patents
Fish hypoxia stress test device Download PDFInfo
- Publication number
- CN212035499U CN212035499U CN202020629633.XU CN202020629633U CN212035499U CN 212035499 U CN212035499 U CN 212035499U CN 202020629633 U CN202020629633 U CN 202020629633U CN 212035499 U CN212035499 U CN 212035499U
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- Prior art keywords
- box body
- box cover
- test device
- stress test
- fish
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- Expired - Fee Related
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- 206010021143 Hypoxia Diseases 0.000 title claims abstract description 16
- 230000007954 hypoxia Effects 0.000 title claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 31
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 241000251468 Actinopterygii Species 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 208000018875 hypoxemia Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
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Abstract
A fish hypoxia stress test device is used for conveniently carrying out test research on the hypoxia-resistant characteristic of fish. It includes: the water inlet pipe, the air inlet pipe and the stirring sheet are arranged on the front side wall of the box body, and the handle coaxially arranged with the stirring sheet is also arranged on the front side wall of the box body; the rear end of the box cover is hinged with the box body, and the front end of the box cover and the front end of the box body are clamped and fixed through a positioning strip; the probe of the dissolved oxygen instrument is arranged in the box body, a metal block is fixed on the probe, the metal block is arranged in the lower surface of the box cover in a sliding mode, the moving track of the metal block is square, a sliding block in sliding connection with the box cover is arranged on the upper surface of the box cover, and a magnet is arranged at the bottom of the sliding block. The device can add water with low dissolved oxygen into the box body, and can eliminate the influence of air on the dissolved oxygen in the water; during the feeding process, the dissolved oxygen in water can be changed by adding oxygen or air into the water, so as to observe the living state of the fish in the water with different dissolved oxygen environments.
Description
Technical Field
The utility model belongs to the technical field of the resistant low oxygen of fish experiment technique and specifically relates to a fish low oxygen stress test device.
Background
In summer and autumn, the water temperature rises and the dissolved oxygen in the water is low, so that the normal growth of the fishes is very unfavorable. Therefore, it is necessary to perform experimental studies on the viability of fish in a low-oxygen environment so as to better study the growth of fish.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fish hypoxemia stress test device for the convenient resistant hypoxemia characteristic to fish carries out experimental study.
The utility model provides a technical scheme that its technical problem adopted is: fish hypoxia stress test device, characterized by, it includes:
the water inlet pipe, the air inlet pipe and the stirring sheet are arranged on the front side wall of the box body, and the handle coaxially arranged with the stirring sheet is also arranged on the front side wall of the box body;
the rear end of the box cover is hinged with the box body, and the front end of the box cover and the front end of the box body are clamped and fixed through a positioning strip;
the probe of the dissolved oxygen instrument is arranged in the box body, a metal block is fixed on the probe, the metal block is arranged in the lower surface of the box cover in a sliding mode, the moving track of the metal block is square, a sliding block in sliding connection with the box cover is arranged on the upper surface of the box cover, and a magnet is arranged at the bottom of the sliding block.
Further, an exhaust pipe is arranged on the box cover.
Furthermore, a sealing ring is arranged at the top of the inner cavity of the box body, a pressure rod in contact fit with the sealing ring is arranged on the lower surface of the box cover, an upper fixing rod is arranged on the front side wall of the box cover, a lower fixing rod is arranged on the front side wall of the box body, the positioning strip is of a ']' -shaped structure, the upper fixing rod and the lower fixing rod are arranged on the inner side of the positioning strip, and the pressure rod is in extrusion contact with the sealing ring.
Furthermore, at least two first contact surfaces which are arranged up and down are arranged on the sealing ring, the first contact surfaces are horizontally arranged, and a second contact surface which is vertically arranged is arranged between the two first contact surfaces.
Furthermore, a long groove is arranged in the front side wall of the box body, the handle is arranged in the long groove, and the handle and the rotating shaft can relatively slide along the axial direction and relatively fixed along the circumferential direction.
Furthermore, a limiting groove is formed in the outer wall of the rotating shaft, and a limiting block in sliding fit with the limiting groove is arranged on the handle.
Furthermore, an inner rod is hinged to the handle, and the inner rod is arranged on the inner side of the handle in a natural state.
Furthermore, a connecting rod made of insulating materials is arranged between the probe and the metal block.
Furthermore, the box body and the box cover are transparent pieces.
The utility model has the advantages that: the low oxygen stress test device for the fishes, provided by the utility model, can add water with low dissolved oxygen into the box body and can eliminate the influence of air on the dissolved oxygen in the water; during the feeding process, the dissolved oxygen in water can be changed by adding oxygen or air into the water, so as to observe the living state of the fish in the water with different dissolved oxygen environments.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a cross-sectional view of the case;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of a stirring blade inside the tank;
FIG. 6 is a schematic view of the mounting of the stirring blade to the case;
FIG. 7 is a front view of the handle;
FIG. 8 is a side view of the handle;
FIG. 9 is a schematic view of the assembly of the probe;
FIG. 10 is a schematic view of the case and the cover;
in the figure: the device comprises a box body 1, a lower fixing rod 11, a water inlet pipe 12, a long groove 13, a sealing ring 14, a first contact surface 141, a second contact surface 142, a box cover 2, an upper fixing rod 21, a groove 22, an exhaust pipe 23, a first sliding groove 24, a sliding block 25, a conduit 26, a second sliding groove 27, a positioning strip 3, a handle 4, a rotating shaft 41, a limiting groove 411, an inner rod 42, a stirring sheet 43, a dissolved oxygen meter 5, a lead 51, a probe 52, a metal block 53, a connecting rod 54 and an air inlet pipe 6.
Detailed Description
As shown in fig. 1 to 10, the present invention mainly includes a box body 1, a box cover 2, a water inlet pipe 12, a stirring plate 43, an oxygen dissolving instrument 5 and an air inlet pipe 6, and the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the box body 1 is a transparent member having a rectangular parallelepiped shape, and the top of the box body is open. The upper part of the front side wall of the box body is provided with a lower fixed rod 11, the upper part of the front side wall of the box body is also provided with a water inlet pipe 12, and water is added into the box body through the water inlet pipe. Two elongated grooves 13 arranged left and right are arranged in the front side wall of the box body, a sealing ring 14 is arranged at the upper part of the inner cavity of the box body, as shown in fig. 4, the sealing ring is square, at least two first contact surfaces 141 arranged horizontally are arranged on the sealing ring, the two first contact surfaces are arranged up and down, a second contact surface 142 is arranged between the two first contact surfaces, and the second contact surface is arranged vertically.
The case lid 2 is a cuboid transparent piece, the rear side of the case lid is hinged with the case body, the front side wall of the case lid is provided with an upper fixing rod 21, the end face of the case lid is provided with a pressing rod, and after the pressing rod is in contact with the first contact surface and the second contact surface and is pressed tightly, sealing between the case lid and the case body can be realized. In order to realize the compression between the box cover and the box body, a positioning strip 3 is arranged between an upper fixing rod and a lower fixing rod, the cross section of the positioning strip is in a shape like a Chinese character 'ji', as shown in figure 10, the upper fixing rod and the lower fixing rod are arranged on the inner side of the positioning strip when in use, so that the upper fixing rod and the lower fixing rod are relatively fixed through the positioning strip, and the box cover is in contact compression with the box body at the moment. The distance between the upper surface of the upper fixing rod and the lower surface of the lower fixing rod is equal to the height of the inner cavity of the positioning strip. After the upper fixing rod and the lower fixing rod are relatively fixed through the positioning strips, certain extrusion force is formed between the pressing rod and the sealing ring.
The top of the box cover is provided with a groove 22, the inner side of the groove is provided with an exhaust pipe 23 positioned at the top of the box cover, the exhaust pipe is internally provided with a one-way valve, and gas can only flow from the inner side of the box body to the outer side of the box body under the action of the one-way valve. The inner side of the groove is also provided with a first sliding chute 24 which is rectangular, a sliding block 25 is arranged in the first sliding chute in a sliding manner, and the bottom of the sliding block is provided with a magnet. The case cover is provided with a line pipe 26, a lead 51 is fixed in the line pipe, the first end of the lead is in signal connection with the dissolved oxygen meter 5, as shown in fig. 9, the second end of the lead is provided with a probe 52, a metal block 53 is arranged above the probe, and a connecting rod 54 made of insulating materials is arranged between the metal block and the probe. The lower surface of the box cover is internally provided with a second sliding groove 27, the shape and the size of the first sliding groove and the second sliding groove are completely the same, the metal block is arranged in the second sliding groove in a sliding manner, and when the sliding block slides along the first sliding groove, the metal block synchronously moves along the second sliding groove under the action of the magnetic force of the magnet. When detecting the dissolved oxygen in water, can slide the slider for the probe is arranged in different positions, and then detects the dissolved oxygen of different positions.
As shown in fig. 5, a pair of left and right stirring blades 43 are rotatably mounted on the front side wall of the casing, and the rotation shaft of the stirring blades is rotatably connected to the front side wall of the casing. As shown in fig. 6, a handle 4 is provided in the elongated slot, and the handle and the rotating shaft 41 of the stirring blade are axially slidable, but the handle and the rotating shaft are circumferentially fixed relative to each other. Be equipped with spacing groove 411 at the pivot outer wall, be equipped with the stopper of arranging the spacing groove in at the handle inner wall, and then realize the axial slip between pivot and the handle, and the cooperation of stopper and spacing groove for handle and pivot inseparable. As shown in fig. 7 and 8, an inner rod 42 is installed at one end, far away from the rotating shaft, of the handle in a hinged mode, under the natural state, the inner rod is arranged on the inner side of the handle, the inner rod can be held to rotate the handle after being pulled out of the inner side of the handle, the inner rod can be driven to rotate the stirring sheet, the stirring sheet can be arranged to stir water in the box body, so that the dissolved oxygen in the water is uniform, and the accuracy of data detection is facilitated.
Still be equipped with intake pipe 6 on the preceding lateral wall of box, and the intake pipe is located the box lower part, lets in oxygen to the aquatic in the box through the intake pipe to adjust aquatic dissolved oxygen volume.
The following describes the use of the present invention:
(1) opening the box cover, placing the fish inside the box body, and then covering the box cover;
(2) water (water with lower dissolved oxygen) is added into the box body through the water inlet pipe, and at the moment, air in the box body is exhausted through the exhaust pipe; until the box body is filled with water, the air in the box body is exhausted, and the air can not influence the dissolved oxygen in the water in the box body;
(3) observing the living state of the fish in the box body;
(4) the dissolved oxygen amount of water in the box body is changed through the air inlet pipe, then the specific dissolved oxygen amount numerical value in the water is detected through the dissolved oxygen meter, and then the living state of the fish is observed.
Claims (9)
1. Fish hypoxia stress test device, characterized by, it includes:
the water inlet pipe, the air inlet pipe and the stirring sheet are arranged on the front side wall of the box body, and the handle coaxially arranged with the stirring sheet is also arranged on the front side wall of the box body;
the rear end of the box cover is hinged with the box body, and the front end of the box cover and the front end of the box body are clamped and fixed through a positioning strip;
the probe of the dissolved oxygen instrument is arranged in the box body, a metal block is fixed on the probe, the metal block is arranged in the lower surface of the box cover in a sliding mode, the moving track of the metal block is square, a sliding block in sliding connection with the box cover is arranged on the upper surface of the box cover, and a magnet is arranged at the bottom of the sliding block.
2. The fish hypoxia stress test device according to claim 1, wherein an exhaust pipe is provided on the tank cover.
3. The fish hypoxia stress test device according to claim 1, wherein a sealing ring is provided on the top of the inner cavity of the box body, a pressing rod is provided on the lower surface of the box cover and is in contact with the sealing ring, an upper fixing rod is provided on the front side wall of the box cover, a lower fixing rod is provided on the front side wall of the box body, the positioning strip is of a "]" -shaped structure, the upper and lower fixing rods are arranged on the inner side of the positioning strip, and the pressing rod is in pressing contact with the sealing ring.
4. A fish hypoxia stress test device according to claim 3, wherein at least two first contact surfaces are arranged on the sealing ring, the first contact surfaces are arranged horizontally, and a second contact surface is arranged vertically between the two first contact surfaces.
5. A fish hypoxia stress test device according to claim 3, wherein an elongated slot is provided in a front side wall of the box body, the handle is disposed in the elongated slot, and the handle and the rotating shaft are relatively slidable in an axial direction and relatively fixed in a circumferential direction.
6. The fish hypoxia stress test device according to claim 1, wherein a limit groove is provided on an outer wall of the rotating shaft, and a limit block slidably fitted in the limit groove is provided on the handle.
7. The fish hypoxia stress test device according to claim 6, wherein the handle is hinged with an inner rod, and the inner rod is arranged inside the handle in a natural state.
8. The fish hypoxia stress test device according to claim 1, wherein a connecting rod made of an insulating material is provided between the probe and the metal block.
9. The fish hypoxia stress test device according to claim 1, wherein the box body and the box cover are transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629633.XU CN212035499U (en) | 2020-04-23 | 2020-04-23 | Fish hypoxia stress test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629633.XU CN212035499U (en) | 2020-04-23 | 2020-04-23 | Fish hypoxia stress test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212035499U true CN212035499U (en) | 2020-12-01 |
Family
ID=73511241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020629633.XU Expired - Fee Related CN212035499U (en) | 2020-04-23 | 2020-04-23 | Fish hypoxia stress test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212035499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115250971A (en) * | 2022-07-13 | 2022-11-01 | 山东省科学院生物研究所 | Method for establishing zebra fish myocardial hypoxia model and application |
-
2020
- 2020-04-23 CN CN202020629633.XU patent/CN212035499U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115250971A (en) * | 2022-07-13 | 2022-11-01 | 山东省科学院生物研究所 | Method for establishing zebra fish myocardial hypoxia model and application |
| CN115250971B (en) * | 2022-07-13 | 2023-07-14 | 山东省科学院生物研究所 | Method for establishing zebra fish myocardial anoxia model and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |