CN104832642B - Animal holder - Google Patents
Animal holder Download PDFInfo
- Publication number
- CN104832642B CN104832642B CN201410045353.3A CN201410045353A CN104832642B CN 104832642 B CN104832642 B CN 104832642B CN 201410045353 A CN201410045353 A CN 201410045353A CN 104832642 B CN104832642 B CN 104832642B
- Authority
- CN
- China
- Prior art keywords
- pull bar
- animal
- seal head
- lock chamber
- fixing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/10—Connection to driving members
- F16J1/12—Connection to driving members with piston-rods, e.g. rigid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
Abstract
The invention provides a kind of animal holder, fixed piston including animal lock chamber and in the animal lock chamber, the fixed piston include seal head, push rod, the pull bar moving hole for being arranged on the push rod central axis and the pull bar in the pull bar moving hole and the pull bar fixing device for fixing the pull bar；The pull bar is fixedly connected with the seal head, and the first end of the push rod contacts connection with the seal head.Pull bar, which produces pulling force, makes seal head be pressurized, pull bar fixing device steady brace, seal head and animal lock chamber interference fit, plays sealing function, seal head can not move in animal lock chamber, play a part of fixed animal.When needing to move seal head or take out piston, first seal head is restored to the original state, there is larger gap between seal head and animal lock chamber, be easy to the movement of piston, make the piston strength that movement need not be very big in piston barrel, and sealing property is outstanding.
Description
Technical field
The present invention relates to a kind of animal holder, more particularly to a kind of animal holder.
Background technology
Inhalation toxicology be research inhalable thing body toxic action is occurred, development and the various conditions eliminated, rule and
Mechanism and a science that hazard assessment is carried out to may be inhaled thing.Its professional research contents mainly has：Various materials in air
Physicochemical property；The fundamental biological knowledge of respiratory tract；Inhalation (inhalatio) deposition in vivo and delay and its with internal important system, organ
Between interaction；These interactions are how to cause caused by disease.
As the research of international inhalation toxicology is increasingly active, lot of domestic experts has also been fully recognized that inhalation toxicology
Significance.From the point of view of the object of research, there is the investigation to crowd, also have includes rat, mouse, rabbit, hamster etc. to animal
Research.Animal holder for fixing animal has many kinds, is fixed for example with piston, in order to ensure sealing property,
It is very close, it is necessary to which very big strength can just be such that piston is moved in piston barrel between piston and piston barrel.
The content of the invention
The invention aims to provide a kind of animal holder, the piston of the animal holder moves in piston barrel
Very big strength is not needed, and sealing property is outstanding.
To achieve these goals, the invention provides a kind of animal holder, including animal lock chamber and installed in institute
The fixed piston in animal lock chamber is stated, wherein, the fixed piston includes seal head, push rod, is arranged in the push rod
Pull bar moving hole at mandrel and the pull bar in the pull bar moving hole and the pull bar for fixing the pull bar are fixed
Device；The pull bar is fixedly connected with the seal head, and the first end of the push rod contacts connection with the seal head.
Preferably, the pull bar fixing device is screw fixing device；The screw fixing device is described including being arranged on
Internal thread on the hole wall of pull bar moving hole and the external screw thread being arranged on the outer surface of the pull bar.
Preferably, the pull bar fixing device includes the positioning convex being arranged on the pull bar and is arranged on the push rod
On the detent being engaged with the positioning convex.
Preferably, the pull bar fixing device includes being arranged on the pull bar positioning hole, it is arranged on the pull bar and moves
Pin hole on the hole wall in dynamic hole and the shop bolt in the pin hole.
Preferably, the pull bar fixing device includes screwed hole and the setting being arranged on the hole wall of the pull bar moving hole
Screw in the screwed hole.
Preferably, the first end of the push rod contacts connection with the seal head by spring.
Preferably, the seal head is umbrella sealing circle, ball sealer, conical seal ring or O-ring seal.
Preferably, for the seal head after compression, the diameter that the outermost one of the seal head encloses becomes big.
Preferably, the head end of the animal lock chamber is gradually-reducing shape cavity, and the tail end of the animal lock chamber is cylinder
Cavity, the fixed piston are arranged in the cylindrical cavity body.
The animal holder of the present invention, by setting the fixed piston with seal head and pull bar fixing device, pull bar production
Raw pulling force makes seal head be pressurized, pull bar fixing device steady brace, seal head and animal lock chamber interference fit, plays sealing and makees
With, and because interference fit, seal head can not move in animal lock chamber, play a part of fixed animal.When needing to move
Dynamic sealing head or take out piston when, first seal head is restored to the original state, between seal head and animal lock chamber have it is larger between
Gap, it is easy to the movement of piston, makes the piston strength that movement need not be very big in piston barrel, and sealing property is outstanding.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic perspective view of animal holder according to an embodiment of the invention；
Fig. 2 is the schematic right parallax stereogram of the animal holder shown in Fig. 1；
Reference：Animal lock chamber 10, gradually-reducing shape cavity 11, circular cylindrical cavity 12, fixed piston 20, seal head 21,
Push rod 22, pull bar 23.
Embodiment
Fig. 1 is the schematic perspective view of animal holder according to an embodiment of the invention, and Fig. 2 is dynamic shown in Fig. 1
The schematic right parallax stereogram of thing fixator；As depicted in figs. 1 and 2, a kind of animal holder, including the He of animal lock chamber 10
Fixed piston 20 in the animal lock chamber 10.The head end of animal lock chamber 10 is gradually-reducing shape cavity 11, and animal is solid
The tail end for determining chamber 10 is circular cylindrical cavity 12, and fixed piston 20 is arranged in circular cylindrical cavity 12.Fixed piston 20 includes sealing
First 21, push rod 22, be arranged on push rod 22 the pull bar moving hole of central axis and the pull bar 23 in pull bar moving hole and
Pull bar fixing device for steady brace 23；Pull bar 23 is fixedly connected with seal head 21, the first end and seal head of push rod 22
21 contact connections.For seal head 21 after compression, the diameter that the outermost one of seal head 21 encloses becomes big.The course of work is to take out and fix
Piston 20, the animals such as mouse are put into animal lock chamber 10 from the tail end of animal lock chamber 10, the head of mouse is placed on tapered
In shape cavity 11, the seal head 21 of fixed piston 20 is arranged on the tail end of mouse.After putting animal into, fixed piston 20 promotes animal
Lock chamber 10, the diameter of the outmost turns of seal head 21 are less than the diameter of circular cylindrical cavity 12, it is easy to which fixed piston 20 is shifted on ground onto
The tail end of animal；Keep the position of seal head 21 motionless, relatively move pull bar 23 and push rod 22, compress seal head 21, sealing
First 21 are pressurized, and the diameter of the outmost turns of seal head 21 is become larger, and circular cylindrical cavity 12 is interference fitted.Now pull bar fixing device
Pull bar 23 is not interference fitted in movement, steady brace 23, seal head 21 and animal lock chamber 10, play sealing function, and by
In interference fit, seal head 21 can not move in animal lock chamber 10, play a part of fixed animal.It is close when needing to move
When end socket 21 or taking-up piston, seal head 21 is restored to the original state, have between seal head 21 and animal lock chamber 10 larger
Gap, be easy to the movement of piston, make the piston strength that movement need not be very big in piston barrel, and sealing property is outstanding.
In another embodiment of the presently claimed invention, pull bar fixing device is screw fixing device；Screw fixing device bag
Include the internal thread being arranged on the hole wall of pull bar moving hole and the external screw thread being arranged on the outer surface of pull bar 23.It is screwed,
The relative movement being easy between pull bar 23 and push rod 22.Seal head 21 is umbrella sealing circle, ball sealer, conical seal ring or O-shaped
Sealing ring.
In another embodiment of the presently claimed invention, pull bar fixing device include being arranged on positioning convex on pull bar 23 and
The detent being engaged with positioning convex being arranged on push rod 22.Positioning convex moves in detent, detent
On the hole wall of settable animal lock chamber 10, including the first groove and the second groove, axis and the animal lock chamber of the first groove
10 diameter parallel, the second groove are connected with the first groove, and the axis of the second groove is vertical with the axis of animal lock chamber 10.
In another embodiment of the presently claimed invention, pull bar fixing device include be arranged on pull bar 23 positioning hole, set
Put the pin hole on the hole wall of pull bar moving hole and the shop bolt in pin hole.
In another embodiment of the presently claimed invention, pull bar fixing device includes being arranged on the hole wall of pull bar moving hole
Screwed hole and the screw being arranged in screwed hole.The first end of push rod 22 contacts connection with seal head 21 by spring.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, any improvements and modifications made also should be regarded as the protection of the present invention
Scope.
Claims (9)
1. a kind of animal holder, including animal lock chamber（10）With installed in the animal lock chamber（10）Interior fixed piston
（20）, it is characterised in that the fixed piston（20）Including seal head（21）, push rod（22）, be arranged on the push rod（22）'s
The pull bar moving hole of central axis and the pull bar in the pull bar moving hole（23）And for fixing the pull bar（23）
Pull bar fixing device；The pull bar（23）With the seal head（21）It is fixedly connected, the push rod（22）First end and institute
State seal head（21）Contact connection.
2. animal holder according to claim 1, it is characterised in that the pull bar fixing device is the dress that is screwed
Put；The screw fixing device includes the internal thread being arranged on the hole wall of the pull bar moving hole and is arranged on the pull bar
（23）Outer surface on external screw thread.
3. animal holder according to claim 1, it is characterised in that the pull bar fixing device is described including being arranged on
Pull bar（23）On positioning convex and be arranged on the push rod（22）On the detent being engaged with the positioning convex.
4. animal holder according to claim 1, it is characterised in that the pull bar fixing device is described including being arranged on
Pull bar（23）On positioning hole, the pin hole that is arranged on the hole wall of the pull bar moving hole and in the pin hole
Shop bolt.
5. animal holder according to claim 1, it is characterised in that the pull bar fixing device is described including being arranged on
Screwed hole on the hole wall of pull bar moving hole and the screw being arranged in the screwed hole.
6. animal holder according to any one of claim 1 to 5, it is characterised in that the push rod（22）First
End and the seal head（21）Contacted and connected by spring.
7. animal holder according to any one of claim 1 to 5, it is characterised in that the seal head（21）For umbrella
Shape sealing ring, ball sealer, conical seal ring or O-ring seal.
8. animal holder according to any one of claim 1 to 5, it is characterised in that the seal head（21）By
After pressure, the seal head（21）The diameter that encloses of outermost one become big.
9. animal holder according to any one of claim 1 to 5, it is characterised in that the animal lock chamber（10）
Head end be gradually-reducing shape cavity（11）, the animal lock chamber（10）Tail end be circular cylindrical cavity（12）, the fixed piston
（20）Installed in the circular cylindrical cavity（12）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045353.3A CN104832642B (en) | 2014-02-08 | 2014-02-08 | Animal holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045353.3A CN104832642B (en) | 2014-02-08 | 2014-02-08 | Animal holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104832642A CN104832642A (en) | 2015-08-12 |
| CN104832642B true CN104832642B (en) | 2017-12-12 |
Family
ID=53810730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410045353.3A Active CN104832642B (en) | 2014-02-08 | 2014-02-08 | Animal holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104832642B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320069A (en) * | 1992-04-28 | 1994-06-14 | The United States Of America As Represented By The Secretary Of The Army | Small animal restraint device |
| JPH08131465A (en) * | 1994-11-04 | 1996-05-28 | Dai Ichi Pure Chem Co Ltd | Experimental animal fixing device |
| JP2007236525A (en) * | 2006-03-07 | 2007-09-20 | Showa Marutsutsu Co Ltd | Small animal retaining appliance |
| KR100916509B1 (en) * | 2007-10-17 | 2009-09-08 | 전북대학교산학협력단 | fixing apparatus for laboratory rodent |
| CN202051849U (en) * | 2011-05-13 | 2011-11-30 | 中国人民解放军第四军医大学 | Lab mouse tail intravenous injection fixing device |
| CN203107327U (en) * | 2013-03-21 | 2013-08-07 | 上海市公共卫生临床中心 | Fixing device capable of adjusting small mouse |
| CN103255300A (en) * | 2013-05-31 | 2013-08-21 | 南京惠镁机械装备有限公司 | Auto-adaptation pipeline pushing device for magnesium smelting of delivery machine |
| CN203153998U (en) * | 2012-12-14 | 2013-08-28 | 广东出入境检验检疫局检验检疫技术中心 | Mouse fixator |
| CN203756973U (en) * | 2014-02-08 | 2014-08-06 | 北京慧荣和科技有限公司 | Animal fixator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080168951A1 (en) * | 2007-01-11 | 2008-07-17 | Starr Life Sciences Corp. | Small animal restraining device with physiologic sensor mount |
-
2014
- 2014-02-08 CN CN201410045353.3A patent/CN104832642B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320069A (en) * | 1992-04-28 | 1994-06-14 | The United States Of America As Represented By The Secretary Of The Army | Small animal restraint device |
| JPH08131465A (en) * | 1994-11-04 | 1996-05-28 | Dai Ichi Pure Chem Co Ltd | Experimental animal fixing device |
| JP2007236525A (en) * | 2006-03-07 | 2007-09-20 | Showa Marutsutsu Co Ltd | Small animal retaining appliance |
| KR100916509B1 (en) * | 2007-10-17 | 2009-09-08 | 전북대학교산학협력단 | fixing apparatus for laboratory rodent |
| CN202051849U (en) * | 2011-05-13 | 2011-11-30 | 中国人民解放军第四军医大学 | Lab mouse tail intravenous injection fixing device |
| CN203153998U (en) * | 2012-12-14 | 2013-08-28 | 广东出入境检验检疫局检验检疫技术中心 | Mouse fixator |
| CN203107327U (en) * | 2013-03-21 | 2013-08-07 | 上海市公共卫生临床中心 | Fixing device capable of adjusting small mouse |
| CN103255300A (en) * | 2013-05-31 | 2013-08-21 | 南京惠镁机械装备有限公司 | Auto-adaptation pipeline pushing device for magnesium smelting of delivery machine |
| CN203756973U (en) * | 2014-02-08 | 2014-08-06 | 北京慧荣和科技有限公司 | Animal fixator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104832642A (en) | 2015-08-12 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |