CN208892842U - A kind of rat fixator - Google Patents
A kind of rat fixator Download PDFInfo
- Publication number
- CN208892842U CN208892842U CN201821085555.0U CN201821085555U CN208892842U CN 208892842 U CN208892842 U CN 208892842U CN 201821085555 U CN201821085555 U CN 201821085555U CN 208892842 U CN208892842 U CN 208892842U
- Authority
- CN
- China
- Prior art keywords
- rat
- body portion
- fixing seat
- head band
- plugboard
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of rat fixator, including fixing seat, described fixing seat one end is provided with mounting hole, and the mounting hole inside is equipped with buffer board by buffer spring；The fixing seat side is hinged with head band, and the end riveting of the head band has retaining mechanism；The other side of the fixing seat is hinged with plugboard, and the grafting plate surface is provided through limit hole；The fixed seating face is symmetrically arranged with sliding groove, and sliding block is equipped with inside the sliding groove, and the upper end of slide block is equipped with body portion fixed mechanism.Beneficial effect is: realizing being locked for head band and plugboard by retaining mechanism, cooperation buffer spring pushes buffer board to realize the fixation to rat head；It pushes body portion pressing plate that rat body portion is fixed using the elastic force of holddown spring, can prevent rat from shaking；It is moved inside sliding groove by sliding block, realizes that the position of body portion fixed mechanism is adjusted, can satisfy the fixation of the rat of different heights, it is applied widely.
Description
Technical field
The utility model relates to animal experiment device technical fields, and in particular to a kind of rat fixator.
Background technique
Albinism rat occupys an important position in biomedical research, it is passed through by wild Rattus norvegicus and rattus rattus
Mutation obtained after domestication, rat are one of common experimental animals in China's medical research.During the experiment, big rat-tail is quiet
Arteries and veins injection is common drug injection mode, for the ease of carrying out going on smoothly for rat tail vein injection, is needed using fixation
Rat is fixed in device.
Applicants have discovered that at least there is following technical problem in the prior art: current rat fixing device is to rat body
The fixed effect on portion and head is undesirable, and the portion's activity of rat body is easy that tail portion is driven to shake, and influences going on smoothly for injection；Simultaneously
Current fixation device can not be adjusted according to rat height, restricted application.
Summary of the invention
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of rat fixator, existing to solve
Current rat fixing device is undesirable to the fixed effect in rat body portion and head in technology, and the portion's activity of rat body is easy to drive
Tail portion is shaken, and going on smoothly for injection is influenced；Fixation device current simultaneously can not be adjusted according to rat height, be applicable in model
It is with the technical problems such as limit.Preferred technical solution is realized by retaining mechanism in many technical solutions provided by the utility model
Head band and plugboard are locked, and cooperation buffer spring pushes buffer board to realize the fixation to rat head；Utilize pressure
The elastic force of tight spring pushes body portion pressing plate that rat body portion is fixed, and good fixing effect can prevent rat from shaking；Pass through cunning
Block moves inside sliding groove, realizes that the position of body portion fixed mechanism is adjusted, can satisfy the fixation of the rat of different heights, fit
With technical effects, the elaboration as detailed below such as range is wide.
To achieve the above object, the utility model provides following technical scheme:
A kind of rat fixator provided by the utility model, including fixing seat, described fixing seat one end are provided with mounting hole,
Buffer board is equipped with by buffer spring inside the mounting hole；The fixing seat side is hinged with head band, the head
Band and the buffer board extend along the width direction of the fixing seat, and the head band is located on the buffer board
The end riveting of side, the head band has retaining mechanism；The other side of the fixing seat is hinged with plugboard, the plugboard
Corresponding with the head band, the grafting plate surface is provided through limit hole；
The retaining mechanism includes grafting block, and inserting groove, grafting block side are provided through inside the grafting block
Fixed frame is installed, the fixed frame uses inverted U-shaped structure, is provided through locking post, the locking inside the fixed frame
Column protrudes into inside the inserting groove, and the locking post is corresponding with the limit hole；Locking bullet is installed on the outside of the locking post
Spring and baffle, the locking spring is between the baffle and the fixed frame inner top；
The fixed seating face is symmetrically arranged with sliding groove along its length, and sliding block, institute are equipped with inside the sliding groove
It states upper end of slide block and body portion fixed mechanism is installed；
Body portion fixed mechanism includes guide post, and the guide post upper end is equipped with limit plate, the guide post outside
Body portion pressing plate and holddown spring are installed, the holddown spring is between the limit plate and body portion pressing plate.
Using a kind of above-mentioned rat fixator, when use device, the head of rat is placed on the buffering plate surface, is drawn
The locking post is moved, the elastic force of the locking spring is overcome, is detached from the locking post inside the inserting groove, is inserted described
It connects block to be inserted into inside the inserting groove, unclamps the locking post, push the baffle to drive using the elastic force of the locking spring
The locking post is inserted into inside the limit hole, and realization is locked to the head band, and the buffer spring is cooperated to push away
The buffer board is moved, the fixation to rat head is realized by the fastening straps and the buffer board；Overcome the holddown spring
Elastic force pull up body portion pressing plate, the body portion of rat is placed below body portion pressing plate, the body portion pressure is unclamped
Plate pushes body portion pressing plate to compress the body portion of rat using the elastic force of the holddown spring；Device can be realized pair
The fixation of rat head and body portion, good fixing effect prevent rat body portion and head from shaking, and guarantee the suitable of rat tail vein injection
Benefit carries out；Make the sliding block in the sliding groove internal slide, thus realize the position adjustment of body portion fixed mechanism, it can
The fixation for meeting the rat of different heights facilitates the scope of application of expansion instrument.
Preferably, the fixed seating face is provided with arc groove.
Preferably, there are two the mounting hole is total, and it is symmetrical.
Preferably, the section of the sliding block and the sliding groove is at T font structure, and the sliding block and the sliding
Slot is gap-matched.
Preferably, the external dimensions of the plugboard is equal with the inside dimension of the inserting groove, and matched using gap
It closes.
Preferably, the outer diameter of the locking post is equal with the internal diameter of the limit hole, and matched using gap
It closes.
Preferably, the outer end of the locking post is equipped with pulling plate.
Beneficial effect is: 1, realizing that the locking of the head band and the plugboard is solid by the retaining mechanism
It is fixed, cooperate the buffer spring that the buffer board is pushed to realize the fixation to rat head；Utilize the elastic force of the holddown spring
Push body portion pressing plate that rat body portion is fixed, good fixing effect can prevent rat from shaking；
2, it is moved inside the sliding groove by the sliding block, realizes that the position of body portion fixed mechanism is adjusted, energy
Enough meet the fixation of the rat of different heights, it is applied widely.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the foot-operated board mounting structure partial enlarged view of the utility model；
Fig. 3 is the support plate partial enlargement diagram of the utility model；
Fig. 4 is the support frame partial enlargement diagram of the utility model.
The reference numerals are as follows:
1, fixing seat；101, sliding groove；102, arc groove；103, mounting hole；2, body portion fixed mechanism；201, body portion presses
Plate；202, holddown spring；203, limit plate；204, guide post；3, head band；4, plugboard；401, limit hole；5, machine is locked
Structure；501, grafting block；502, inserting groove；503, locking spring；504, pulling plate；505, locking post；506, fixed frame；507, it keeps off
Plate；6, sliding block；7, buffer spring；8, buffer board.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Shown in referring to figures 1-4, the utility model provides a kind of rat fixator, including fixing seat 1, fixing seat 1 one
End is provided with mounting hole 103, passes through buffer spring 7 inside mounting hole 103 and is equipped with buffer board 8；1 side of fixing seat is hinged with head
Portion's band 3, head band 3 and buffer board 8 extend along the width direction of fixing seat 1, and head band 3 is located on buffer board 8
The end riveting of side, head band 3 has retaining mechanism 5；The other side of fixing seat 1 is hinged with plugboard 4, plugboard 4 and head
Band 3 is corresponding, and 4 surface of plugboard is provided through limit hole 401；
Retaining mechanism 5 includes grafting block 501, is provided through inserting groove 502,501 side of grafting block inside grafting block 501
Fixed frame 506 is installed, fixed frame 506 uses inverted U-shaped structure, is provided through locking post 505 inside fixed frame 506, locks
Column 505 protrudes into inside inserting groove 502, and locking post 505 is corresponding with limit hole 401；Locking spring is installed on the outside of locking post 505
503 and baffle 507, locking spring 503 be located between 506 inner top of baffle 507 and fixed frame；
1 surface of fixing seat is symmetrically arranged with sliding groove 101 along its length, and sliding block 6 is equipped with inside sliding groove 101, sliding
6 upper end of block is equipped with body portion fixed mechanism 2；
Body portion fixed mechanism 2 includes guide post 204, and 204 upper end of guide post is equipped with limit plate 203,204 outside of guide post
Body portion pressing plate 201 and holddown spring 202 are installed, holddown spring 202 is located between limit plate 203 and body portion pressing plate 201.
As optional embodiment, 1 surface of fixing seat is provided with arc groove 102, and setting in this way is convenient for making the body of rat
Portion comes into full contact with fixing seat 1, helps to improve body portion fixed mechanism 2 to the fixed effect in rat body portion；
There are two mounting hole 103 is total, and it is symmetrical, setting in this way can guarantee the stress stationarity of buffer board 8, guarantee
The fixed effect of buffer board 8 and head band 3 to rat head；
The section of sliding block 6 and sliding groove 101 is at T font structure, and sliding block 6 and sliding groove 101 are gap-matched, this
Sample setting can guarantee sliding block 6 in 101 inside smooth sliding of sliding groove, and the position for being easy to implement body portion fixed mechanism 2 is adjusted；
The external dimensions of plugboard 4 is equal with the inside dimension of inserting groove 502, and is gap-matched, and is arranged so just
It is inserted into inside inserting groove 502 in by grafting block 501, can guarantee the locking effect to head band 3；
The outer diameter of locking post 505 is equal with the internal diameter of limit hole 401, and is gap-matched, and is arranged in this way
Locking post 505 can be made to come into full contact with limit hole 401, guarantee the locking effect to head band 3；
The outer end of locking post 505 is equipped with pulling plate 504, and convenient for pulling locking post 505, auxiliary is realized to big for setting in this way
The fixation on mouse head.
Using the above structure, when use device, the head of rat is placed on 8 surface of buffer board, pulls locking post 505,
The elastic force for overcoming locking spring 503 is detached from locking post 505 inside inserting groove 502, and grafting block 501 is inserted into inserting groove 502
Locking post 505 is unclamped in inside, pushes baffle 507 that locking post 505 is driven to be inserted into limit hole 401 using the elastic force of locking spring 503
Being locked to head band 3 is realized in inside, and cooperation buffer spring 7 pushes buffer board 8, real by fastening straps and buffer board 8
Now to the fixation of rat head；Overcome the elastic force of holddown spring 202 to pull up portion's pressing plate 201 of leaving, the body portion of rat is placed
Below body portion pressing plate 201, body portion pressing plate 201 is unclamped, pushes body portion pressing plate 201 to rat using the elastic force of holddown spring 202
Body portion compressed；Device can be realized the fixation to rat head and body portion, and good fixing effect prevents rat body portion and head
Portion shakes, and guarantees going on smoothly for rat tail vein injection；Make sliding block 6 in 101 internal slide of sliding groove, to realize that body portion is solid
The position adjustment for determining mechanism 2, can satisfy the fixation of the rat of different heights, facilitates the scope of application of expansion instrument.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of rat fixator, including fixing seat (1), it is characterised in that: described fixing seat (1) one end is provided with mounting hole
(103), buffer board (8) are installed by buffer spring (7) inside the mounting hole (103)；Fixing seat (1) side is hinged
Having head band (3), the head band (3) and the buffer board (8) extend along the width direction of the fixing seat (1),
And the head band (3) is located above the buffer board (8), the end riveting of the head band (3) has retaining mechanism
(5)；The other side of the fixing seat (1) is hinged with plugboard (4), and the plugboard (4) and the head band (3) are opposite
It answers, plugboard (4) surface is provided through limit hole (401)；
The retaining mechanism (5) includes grafting block (501), is provided through inserting groove (502) inside the grafting block (501),
Grafting block (501) side is equipped with fixed frame (506), and the fixed frame (506) uses inverted U-shaped structure, the fixed frame
(506) internal to be provided through locking post (505), the locking post (505) protrudes into the inserting groove (502) inside, the lock
Tight column (505) is corresponding with the limit hole (401)；Locking spring (503) and baffle are installed on the outside of the locking post (505)
(507), the locking spring (503) is located between the baffle (507) and the fixed frame (506) inner top；
Fixing seat (1) surface is symmetrically arranged with sliding groove (101) along its length, installation inside the sliding groove (101)
Have sliding block (6), sliding block (6) upper end is equipped with body portion fixed mechanism (2)；
Body portion fixed mechanism (2) includes guide post (204), and guide post (204) upper end is equipped with limit plate (203),
Body portion pressing plate (201) and holddown spring (202) are installed on the outside of the guide post (204), the holddown spring (202) is located at institute
It states between limit plate (203) and body portion pressing plate (201).
2. a kind of rat fixator according to claim 1, it is characterised in that: fixing seat (1) surface is provided with arc
Slot (102).
3. a kind of rat fixator according to claim 1, it is characterised in that: there are two the mounting hole (103) is total, and it is right
Claim distribution.
4. a kind of rat fixator according to claim 1, it is characterised in that: the sliding block (6) and the sliding groove (101)
Section at T font structure, and the sliding block (6) and the sliding groove (101) are gap-matched.
5. a kind of rat fixator according to claim 1, it is characterised in that: the external dimensions of the plugboard (4) and institute
The inside dimension for stating inserting groove (502) is equal, and is gap-matched.
6. a kind of rat fixator according to claim 1, it is characterised in that: the outer diameter of the locking post (505) with
The internal diameter of the limit hole (401) is equal, and is gap-matched.
7. a kind of rat fixator according to claim 6, it is characterised in that: install the outer end of the locking post (505)
There are pulling plate (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821085555.0U CN208892842U (en) | 2018-07-10 | 2018-07-10 | A kind of rat fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821085555.0U CN208892842U (en) | 2018-07-10 | 2018-07-10 | A kind of rat fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208892842U true CN208892842U (en) | 2019-05-24 |
Family
ID=66567362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821085555.0U Expired - Fee Related CN208892842U (en) | 2018-07-10 | 2018-07-10 | A kind of rat fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208892842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329617A (en) * | 2020-03-20 | 2020-06-26 | 山东中医药大学 | A equipment for fixing experiment rat |
| CN111920543A (en) * | 2020-08-14 | 2020-11-13 | 中国人民解放军陆军特色医学中心 | Shock tube experimental device for simulating animal chest impact injury |
-
2018
- 2018-07-10 CN CN201821085555.0U patent/CN208892842U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329617A (en) * | 2020-03-20 | 2020-06-26 | 山东中医药大学 | A equipment for fixing experiment rat |
| CN111920543A (en) * | 2020-08-14 | 2020-11-13 | 中国人民解放军陆军特色医学中心 | Shock tube experimental device for simulating animal chest impact injury |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200710 |