CN205126480U - Animal fixer and cavy fixer with adjustable sealed size of binocular - Google Patents
Animal fixer and cavy fixer with adjustable sealed size of binocular Download PDFInfo
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- CN205126480U CN205126480U CN201520809888.3U CN201520809888U CN205126480U CN 205126480 U CN205126480 U CN 205126480U CN 201520809888 U CN201520809888 U CN 201520809888U CN 205126480 U CN205126480 U CN 205126480U
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- bitubular
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- size adjustable
- fixer
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Abstract
The utility model provides a sealed big or small adjustable animal fixer of the binocular and cavy fixer all include: have on the perisporium of piston barrel, its health portion of holding along the constant head tank of the length direction extension of piston barrel, the piston for support the buttock that leans on the animal, the setting element is operationally installed the piston in a predetermined location department of the health portion of holding to allow the animal of fixed different length, and sealing device, configure the rear end opening that operationally seals the piston barrel into to and constant head tank or a plurality of locating hole in the health portion of holding. Because the utility model discloses an operationally make the piston install in the position of difference department in sealed big or small adjustable animal fixer of the binocular and the cavy fixer to the animal of fixed different length size, and can guarantee the travelling comfort of animals such as cavy. And this kind of design can make sealed big or small adjustable animal fixer of the binocular and cavy fixer small, compact structure to occupy less space.
Description
Technical field
This utility model relates to laboratory animal technique for fixing field, particularly relates to a kind of bitubular sealing size adjustable animal holder and guinea pig fixer.
Background technology
Inhalation toxicology be research can inhalation (inhalatio) body toxic action is occurred, development and the various conditions eliminated, rule and mechanism and to carrying out a science of hazard assessment by inhalation (inhalatio).Its professional research contents mainly contains: the physicochemical property of various material in air; The fundamental biological knowledge of respiratory tract; Inhalation (inhalatio) deposition in vivo and delay and and body in important system, interaction between organ; These interactions how to cause disease to produce.Animal subject in current all kinds of experiment mostly is muroid.
But, existing guinea pig fixer all has through hole, thus causes carrying out in the experiment of Cavia porcellus mouth and nose, ensureing the stable of the aerocolloidal concentration that Cavia porcellus mouth and nose place sucks.
In addition, the volume carrying out the Cavia porcellus of each test is inconsistent and the volume of holder unanimously causes part Cavia porcellus to be fixed, dress Mus is convenient and swift not, and Cavia porcellus a little bigger is a little the existing guinea pig fixer Problems existing such as comfortable not inside holder.
Utility model content
This utility model object on the one hand to provide a kind of airtight bitubular to seal size adjustable animal holder.
This utility model further object on the one hand to provide a kind of animal can be quickly mounted fixing bitubular sealing size adjustable animal holder.
This utility model another further object on the one hand to provide a kind of bitubular sealing size adjustable animal holder ensureing animals comfortable.
This utility model another further object on the one hand to provide a kind of bitubular sealing size adjustable animal holder that is little, compact conformation that takes up room.
This utility model object on the other hand to provide a kind of guinea pig fixer for fixing Cavia porcellus.
On the one hand, this utility model provides a kind of bitubular sealing size adjustable animal holder, and it comprises:
Two ends have the piston barrel of opening, have the health accommodation section extended forward from its rear end, the perisporium of health accommodation section have the locating slot that the length direction along piston barrel extends, or along the spaced multiple locating hole of length direction of piston barrel;
Piston, is installed in piston barrel, for being resisted against the buttocks portion of animal in piston barrel;
Keeper, is configured to utilize locating slot or multiple locating hole, operationally piston is installed on a predetermined locations of health accommodation section, seals to allow the bitubular animal that size adjustable animal holder fixes different length; With
Sealing device, is configured to the open rearward end of operationally closed piston cylindrical shell, and locating slot on health accommodation section or multiple locating hole.
Further, piston offers screwed hole;
Keeper is screw, screws in the screwed hole on piston after being configured to pass through locating slot or a locating hole, so that piston operable is installed on a predetermined locations of piston installation portion.
Further, sealing device comprises:
Occlusion part, it extends outward from the periphery wall of piston barrel, and is in the front of locating slot or multiple locating hole; With
Sealing drum, its for one end close, the tubular structure of other end opening, health accommodation section stretch into sealing drum at least partly, and the front end of sealing drum and occlusion part are tightly connected.
Further, sealing device also comprises: sealing ring, is arranged between the front end surface of sealing drum and the trailing flank of occlusion part.
Further, occlusion part comprises: annular slab, and it stretches out along the direction perpendicular to the length direction of piston barrel from the periphery wall of piston barrel;
First tubular shutter, extends back from the outer peripheral edge of annular slab, and sealing drum is positioned at inside the first tubular shutter.
Further, piston barrel also has the head accommodation section extended back from its front end; And
Occlusion part stretches out from the end circumferential edge of head accommodation section.
Further, occlusion part also comprises the second tubular shutter extended back from the trailing flank of annular slab;
Health accommodation section is the tubular structure of both ends open, and the rear end face of its front end face and head accommodation section contacts against, and the internal face of its outside wall surface and the second tubular shutter contacts against.
Further, occlusion part also comprises the annular protruding rib extended forward from the outer peripheral edge of annular slab.
Further, this bitubular sealing size adjustable animal holder also comprises multiple snap close piece, and each snap close piece has:
Fixed block, is fixed on the outer peripheral face of sealing drum;
Cursor, its one end is rotatably installed on fixed block; With
Grab, its hook portion that there is link rod part and be bent to form from one end of link rod part, the other end of link rod part is rotatably installed on cursor, when being posted by fixed block to rotate backward at cursor, hook portion is hooked and occlusion part, thus make the sealing drum of sealing device be installed on occlusion part.
On the other hand, this utility model additionally provides a kind of guinea pig fixer, this guinea pig fixer is any one bitubular above-mentioned sealing size adjustable animal holder, and the outline of container cavity in the piston barrel of bitubular sealing size adjustable animal holder and Cavia porcellus adapts.
Bitubular sealing size adjustable animal holder of the present utility model and guinea pig fixer have sealing device owing to adopting, the spaced apart bitubular can seal size adjustable animal holder and ambient atmosphere, when can prevent from sucking toxicological experiment, ambient atmosphere has an impact to animal.Particularly, because bitubular sealing size adjustable animal holder is not communicated with the air in the external world with guinea pig fixer, reduce ambient atmosphere to the impact of the aerocolloidal concentration at the animal mouth and nose places such as Cavia porcellus, the aerosol concentration at animal mouth and nose place is stablized, and is easily controlled.
Further, owing to operationally described piston to be installed on a predetermined locations of described health accommodation section in bitubular sealing size adjustable animal holder of the present utility model and guinea pig fixer, even if piston is installed on different positions, with the animal of fixing different length size, and the comfortableness of the animals such as Cavia porcellus can be ensured.And, this kind of design the bitubular can be made to seal size adjustable animal holder and guinea pig fixer volume little, compact conformation, and take less space.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present utility model with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic diagram of the bitubular sealing size adjustable animal holder according to this utility model embodiment;
Fig. 2 is the schematic cross sectional views of the sealing of the bitubular shown in Fig. 1 size adjustable animal holder;
Fig. 3 is the schematic partial enlarged view at A place in Fig. 2.
Detailed description of the invention
According to hereafter by reference to the accompanying drawings to the detailed description of this utility model specific embodiment, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present utility model more.
Fig. 1 is the schematic diagram of the bitubular sealing size adjustable animal holder according to this utility model embodiment, Fig. 2 is the schematic cross sectional views of the sealing of the bitubular shown in Fig. 1 size adjustable animal holder, and Fig. 3 is the schematic partial enlarged view at A place in Fig. 2.As shown in Figure 1 to Figure 3, this utility model embodiment provides a kind of bitubular sealing size adjustable animal holder.This bitubular sealing size adjustable animal holder can comprise piston barrel 20 and the piston 30 for limiting animal.The two ends of this piston barrel 20 have opening, can be limited with the container cavity 21 being installed in animal in it.The opening of the front end of piston barrel 20 can be used for connection tube that the inhalant mouth and nose exposure chamber of insert port nose is communicated with container cavity 21 or aerosol inlet pipe.The opening of the rear end of piston barrel 20 is convenient to load the animals such as Cavia porcellus fast and place piston 30.Piston barrel 20 can be made up of transparent material, to observe the reaction of animal after Inhaled Aerosol.Piston 30 is installed in piston barrel 20, can be used for the buttocks being resisted against animal in piston barrel 20.
Especially, the piston barrel 20 in this utility model embodiment also can have the head accommodation section 22 extended back from its front end, and the health accommodation section 23 extended forward from its rear end.The perisporium of health accommodation section 23 has the locating slot 231 that the length direction along piston barrel 20 extends, or along the spaced multiple locating hole of length direction of piston barrel 20.Bitubular sealing size adjustable animal holder in this embodiment also has keeper 40, it is configured to utilize locating slot 231 or multiple locating hole, operationally piston 30 is installed on a predetermined locations of health accommodation section 23, seals to allow the bitubular animal that size adjustable animal holder fixes different length.Such as, piston 30 can be installed on multiple distances of distance its rear end opening of health accommodation section 23, and the region of the fixing animal of container cavity 21 can be made changeable, thus makes the animal of placement in container cavity 21 changeable.Further, when small one and large one two Cavia porcelluss are positioned in container cavity 21 respectively, large Cavia porcellus is long, then piston 30 can be closer apart from the distance of the open rearward end of health accommodation section 23; Small guinea pig is shorter, then the distance of filling in the open rearward end of 30 distance health accommodation sections 23 can be far away.
Particularly, in some embodiments, piston 30 offers screwed hole.Keeper 40 can be screw, screws in the screwed hole on piston 30 after being configured to pass through locating slot 231 or a locating hole, piston 30 to be operably mounted to a predetermined locations of piston installation portion.
In order to ensure the sealing property of bitubular sealing size adjustable animal holder, bitubular sealing size adjustable animal holder in this embodiment also comprises sealing device, the operationally open rearward end of closed piston cylindrical shell 20, and locating slot 231 on health accommodation section 23 or multiple locating hole, prevent container cavity 21 to be communicated with ambient atmosphere space.
Further, sealing device can comprise occlusion part 24 and sealing drum 51.Occlusion part 24 extends outward from the periphery wall of piston barrel, and be in the front of locating slot 231 or multiple locating hole.Sealing drum 51 for one end close, the tubular structure of other end opening.During installation, health accommodation section 23 stretch into sealing drum 51 at least partly, and the front end of sealing drum 51 and occlusion part 24 are tightly connected.
This utility model some preferably in embodiment, occlusion part 24 can comprise annular slab 241 and the first tubular shutter 242.Annular slab 241 stretches out along the direction perpendicular to the length direction of piston barrel from the periphery wall of piston barrel.First tubular shutter extends back from the outer peripheral edge of annular slab, and sealing drum is positioned at inside the first tubular shutter.Sealing device also can comprise sealing ring, between the trailing flank being arranged on the front end surface of sealing drum 51 and the annular slab 241 of occlusion part 24.
In embodiments more of the present utility model, for the ease of the production and processing of bitubular sealing size adjustable animal holder, the head accommodation section 22 of piston barrel 20 and health accommodation section 23 are designs separately.And occlusion part 24 stretches out from the end circumferential edge of head accommodation section 22.Occlusion part 24 also comprises the second tubular shutter 243 extended back from the trailing flank of annular slab 241.Health accommodation section is the tubular structure of both ends open, the rear end face of its front end face and head accommodation section contacts against, and the internal face of its outside wall surface and the second tubular shutter contacts against, that is, health accommodation section 23 is plugged in the jack of head accommodation section 22 and occlusion part 24 restriction.Sealing drum 51 can adopt a pipeline section, adopts in one end of this pipeline section process Installation one circular slab formation such as pasting.
In embodiments more of the present utility model, bitubular sealing size adjustable animal holder also comprises multiple snap close piece 60.Each snap close piece 60 has fixed block, cursor and grab.Fixed block can be fixed in the outside wall surface of sealing drum 51.One end of cursor is rotatably installed on fixed block.The hook portion that grab has link rod part and is bent to form from one end of link rod part.The other end of link rod part is rotatably installed on cursor, when being posted by fixed block to rotate backward at cursor, hook portion is hooked and occlusion part 24, thus makes the sealing drum 51 of sealing device be installed on occlusion part 24.The quantity of snap close piece 60 is preferably 2 or 3.Snap close piece 60 is adopted to substantially increase the installing/dismounting speed of sealing drum 51.Occlusion part 24 also comprises the annular protruding rib 244 extended forward from the outer peripheral edge of annular slab 241, to coordinate with the hook portion of grab better.
In order to fix animal better, improve the comfortableness of animal, in enforcements more of the present utility model, the container cavity 21 of piston barrel 20 adapts with the outline of animal, such as, this container cavity 21 can have the head container cavity limited by head accommodation section 22, and this head container cavity is the tapered shape of the opening part convergent of the front end to piston barrel 20 adapted with the head of animal.Piston 30 is provided with the breach of curved surface that the buttocks that seals animal in size adjustable animal holder with the bitubular adapts and the tail by this animal.Breach can be positioned at the edge of the bottom of piston 30.
This utility model embodiment still provides a kind of guinea pig fixer, guinea pig fixer has all technical characteristic of the bitubular sealing size adjustable animal holder in above-mentioned any embodiment, the container cavity 21 of the bitubular sealing size adjustable animal holder in above-mentioned any embodiment adapts with the outline of Cavia porcellus, makes this bitubular seal size adjustable animal holder and is specially adapted to the fixing of Cavia porcellus and experiment.And, because guinea pig fixer is not communicated with the air in the external world, the air-tightness of guinea pig fixer can be ensured.Being applied to animal mouth and nose exposure experiment, the impact of ambient atmosphere on the aerocolloidal concentration at Cavia porcellus mouth and nose place can be reduced, the aerosol concentration at mouth and nose place is stablized, and easy to control.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, under the prerequisite not departing from this utility model principle, any improvements and modifications made also should be considered as protection domain of the present utility model.
Claims (10)
1. a bitubular sealing size adjustable animal holder, is characterized in that comprising:
Two ends have the piston barrel of opening, there is the health accommodation section extended forward from its rear end, the perisporium of described health accommodation section has the locating slot that the length direction along described piston barrel extends, or along the spaced multiple locating hole of length direction of described piston barrel;
Piston, is installed in described piston barrel, for being resisted against the buttocks portion of animal in described piston barrel;
Keeper, is configured to utilize described locating slot or described multiple locating hole, operationally described piston is installed on a predetermined locations of described health accommodation section, seals to allow the described bitubular animal that size adjustable animal holder fixes different length; With
Sealing device, is configured to the open rearward end operationally closing described piston barrel, and locating slot on described health accommodation section or multiple locating hole.
2. bitubular sealing size adjustable animal holder according to claim 1, is characterized in that,
Described piston offers screwed hole;
Described keeper is screw, screws in the screwed hole on described piston after being configured to pass through described locating slot or a described locating hole, so that described piston operable is installed on a predetermined locations of described piston installation portion.
3. bitubular sealing size adjustable animal holder according to claim 1, it is characterized in that, described sealing device comprises:
Occlusion part, it extends outward from the periphery wall of described piston barrel, and is in the front of described locating slot or described multiple locating hole; With
Sealing drum, its for one end close, the tubular structure of other end opening, described health accommodation section stretch into described sealing drum at least partly, and the front end of described sealing drum and described occlusion part are tightly connected.
4. bitubular sealing size adjustable animal holder according to claim 3, it is characterized in that, described sealing device also comprises:
Sealing ring, is arranged between the front end surface of described sealing drum and the trailing flank of described occlusion part.
5. bitubular sealing size adjustable animal holder according to claim 3, it is characterized in that, described occlusion part comprises:
Annular slab, it stretches out along the direction perpendicular to the length direction of described piston barrel from the periphery wall of described piston barrel;
First tubular shutter, extends back from the outer peripheral edge of described annular slab, and described sealing drum is positioned at inside described first tubular shutter.
6. bitubular sealing size adjustable animal holder according to claim 5, is characterized in that,
Described piston barrel also has the head accommodation section extended back from its front end; And
Described occlusion part stretches out from the end circumferential edge of described head accommodation section.
7. bitubular sealing size adjustable animal holder according to claim 6, is characterized in that,
Described occlusion part also comprises the second tubular shutter extended back from the trailing flank of described annular slab;
Described health accommodation section is the tubular structure of both ends open, and the rear end face of its front end face and described head accommodation section contacts against, and the internal face of its outside wall surface and described second tubular shutter contacts against.
8. bitubular sealing size adjustable animal holder according to claim 5, is characterized in that,
Described occlusion part also comprises the annular protruding rib extended forward from the outer peripheral edge of described annular slab.
9. bitubular sealing size adjustable animal holder according to claim 3, it is characterized in that, also comprise multiple snap close piece, each described snap close piece has:
Fixed block, is fixed on the outer peripheral face of described sealing drum;
Cursor, its one end is rotatably installed on described fixed block; With
Grab, its hook portion that there is link rod part and be bent to form from one end of described link rod part, the other end of described link rod part is rotatably installed on described cursor, when being posted by described fixed block to rotate backward at described cursor, described hook portion is hooked and described occlusion part, thus makes the described sealing drum of described sealing device be installed on described occlusion part.
10. a guinea pig fixer, it is characterized in that, the bitubular sealing size adjustable animal holder of described guinea pig fixer according to any one of claim 1 to 9, and the outline of container cavity in the piston barrel of described bitubular sealing size adjustable animal holder and described Cavia porcellus adapts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809888.3U CN205126480U (en) | 2015-10-20 | 2015-10-20 | Animal fixer and cavy fixer with adjustable sealed size of binocular |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809888.3U CN205126480U (en) | 2015-10-20 | 2015-10-20 | Animal fixer and cavy fixer with adjustable sealed size of binocular |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205126480U true CN205126480U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520809888.3U Active CN205126480U (en) | 2015-10-20 | 2015-10-20 | Animal fixer and cavy fixer with adjustable sealed size of binocular |
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| Country | Link |
|---|---|
| CN (1) | CN205126480U (en) |
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- 2015-10-20 CN CN201520809888.3U patent/CN205126480U/en active Active
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