Light-proof constant-temperature injector
By installing a heat-insulating sleeve and a vacuum heat-insulating layer on the outer wall of the syringe, the problem of temperature instability in photocrosslinked hydrogels during injection was solved, enabling stable injection of hydrogels and resource reuse, thereby improving experimental efficiency and reducing costs.
Patent Information
- Application Number
- CN202520513218.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-21
AI Technical Summary
In existing technologies, photocrosslinked hydrogels are affected by temperature during injection, leading to frequent operations, increasing the burden on experimenters, and reducing experimental efficiency.
A light-shielding constant-temperature injector was designed, which uses an insulating sleeve fitted onto the outer wall of the syringe barrel. The insulating sleeve is equipped with through holes, fixing rings, and a detachable insulating cover. Combined with a vacuum insulation layer and brown borosilicate glass material, the temperature of the hydrogel inside the syringe barrel is kept stable.
This allows for the reuse of hydrogels, reducing human error, improving experimental efficiency, reducing operational burden, and enabling the reusable insulation jacket to save resources and reduce experimental costs.
Smart Images
Figure CN223945706U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical experiment technical field, concretely relates to a light -proof constant temperature syringe. BACKGROUND
[0002] In the current basic experiment, often use injectable photo-crosslinking hydrogel. The hydrogel is liquid before crosslinking, and will be crosslinked and solidified into solid after being irradiated by 405nm wavelength blue light. And in the uncrosslinked state, its property is affected by temperature, and it is a relatively dilute fluid state above 37 DEG C, if the temperature is reduced, such as 20 DEG C or even lower, it will be relatively viscous and not easy to be extruded (injection). The current researchers' conventional use method is to heat the hydrogel to a certain temperature, then suck into the syringe for injection, if multiple injections are needed in the experiment, the hydrogel will be used immediately after being heated to a certain temperature, which leads to the fact that the researchers need to repeat the operation frequently, increases the operation burden of the experimenter, and reduces the experimental efficiency.
[0003] In summary, at present, it is urgent to design a light -proof constant temperature syringe which overcomes the above problems. UTILITY MODEL CONTENT
[0004] The utility model discloses a light -proof constant temperature syringe which improves cutting efficiency and precision, reduces human error and is safe to operate.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme of a light -proof constant temperature syringe, which comprises:
[0006] The syringe body comprises a syringe barrel, a piston slidably arranged in the interior of the syringe barrel and a piston rod connected with one end of the piston, and the end of the syringe barrel is integrally connected with a needle tube joint.
[0007] The heat preservation sleeve is sleeved on the outer wall of the syringe barrel, one end of the heat preservation sleeve close to the needle tube joint is a closed end, a through hole matched with the needle tube joint is formed in the middle of the closed end, a fixing ring is integrally connected on the heat preservation sleeve outside the through hole, the inner diameter of the fixing ring is equal to the inner diameter of the through hole, and a heat preservation cover is detachably connected on the fixing ring.
[0008] The purpose of the utility model and the technical problems thereof can also be further realized by the following technical measures.
[0009] Further, the heat preservation sleeve is slidably sleeved on the outer wall of the syringe barrel, and one end of the heat preservation sleeve away from the heat preservation cover is buckled with the syringe barrel.
[0010] Further, two sides of the outer wall of the heat preservation cover far from the heat preservation cover are respectively provided with inverted L-shaped elastic buckles, which can be clamped with the upper end edge of the injection barrel under the elastic force.
[0011] Further, a groove matched with the needle tube joint is arranged in the inner bottom wall of the heat preservation cover, an integral rubber pad is connected in the groove and the inner bottom wall of the heat preservation cover, the inner side wall of the heat preservation cover is provided with an inner thread, and the outer side wall of the fixing ring is provided with an outer thread matched with the inner thread.
[0012] Further, heat preservation cavities are arranged in the side walls of the heat preservation cover and the heat preservation cover.
[0013] Further, the heat preservation cavities are vacuum heat preservation layers, vacuum suction holes are arranged on the outer walls of the heat preservation cover and the heat preservation cover, and rubber plugs are respectively and sealingly arranged in the vacuum suction holes.
[0014] Further, the material of the heat preservation cover is brown high borosilicate glass.
[0015] Further, the upper end of the piston is provided with a heat preservation ring.
[0016] Compared with the prior art, the light-proof constant-temperature syringe has the advantages that:
[0017] 1. The light-proof constant-temperature syringe can heat the hydrogel in the injection barrel, avoid the temperature loss of the hydrogel, avoid the phenomenon that the hydrogel is difficult to be squeezed out due to solidification, enable the researcher to use the hydrogel in the injection barrel in batches, and enable the researcher to use the light-proof constant-temperature syringe conveniently without disassembling the heat preservation cover each time, so that the light-proof constant-temperature syringe has the advantages of good heat preservation effect and convenient use, effectively reduces the operation burden of the researcher, and improves the experimental efficiency.
[0018] 2. The light-proof constant-temperature syringe can be slid onto the outer wall of the injection barrel, and the inverted L-shaped elastic buckles are arranged on the upper end of the heat preservation cover, so that the heat preservation cover can be disassembled conveniently, the heat preservation cover can be used repeatedly by being sleeved on a new injection barrel body when the injection barrel body needs to be replaced, resources are effectively saved, and the experimental cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a sectional structure schematic view of the light-proof constant-temperature syringe provided by the utility model;
[0020] Figure 2 is Figure 1 an enlarged schematic view of A in the figure.
[0021] Figure 3 is a cross-sectional structure schematic view of the light-proof constant-temperature syringe in another embodiment of the utility model;
[0022] Mark explanation:
[0023] 1, syringe body; 11, syringe barrel; 12, piston; 13, piston rod; 14, needle tube joint; 15, heat preservation ring;
[0024] 2, heat preservation sleeve; 21, through hole; 22, fixing ring; 221, external thread; 23, heat preservation cover; 231, groove; 232, rubber pad; 233, internal thread; 24, inverted L-shaped elastic buckle; 25, heat preservation cavity; 251, heat preservation material; 26, vacuum suction hole; 27, rubber plug. Specific embodiments
[0025] In order to make the utility model purposes, technical scheme and advantages more clearly, the following is combined with the drawings and examples, and the utility model is further described in detail.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.
[0026] Please refer to Figures 1 to 3 A light-proof constant-temperature syringe, comprising:
[0027] Syringe body 1, comprising syringe barrel 11, piston 12 sealingly and slidingly arranged inside the syringe barrel 11 and piston rod 13 connected with one end of the piston 12, and the end of the syringe barrel 11 is integrally connected with needle tube joint 14;
[0028] Heat preservation sleeve 2 is sleeved on the outer wall of the syringe barrel 11, and the end of the heat preservation sleeve 2 close to the needle tube joint 14 is a closed end, the middle of the closed end is provided with a through hole 21 matched with the needle tube joint 14, and the heat preservation sleeve 2 on the outer side of the through hole 21 is integrally connected with a fixing ring 22, the inner diameter of the fixing ring 22 is equal to the inner diameter of the through hole 21, and the needle tube joint 14 can be penetrated from the through hole 21 and the inner hole of the fixing ring 22, so that the researcher can directly squeeze out the hydrogel without disassembling the heat preservation sleeve 2, and the use is more convenient; The fixing ring 22 is detachably connected with a heat preservation cover 23. The heat preservation cover 23 can cover the opening of the fixing ring 22 and the needle tube joint 14 after squeezing out the hydrogel once, so as to avoid heat loss from this place, and further improve the heat preservation performance.
[0029] Preferably, the heat preservation sleeve 2 is sleeved on the outer wall of the syringe barrel 11, and the end of the heat preservation sleeve 2 away from the heat preservation cover 23 is buckled to the syringe barrel 11. The heat preservation sleeve 2 is convenient to disassemble, and when the syringe body 1 needs to be replaced, the heat preservation sleeve 2 is disassembled and can be reused by being sleeved on the new syringe body 1, thereby effectively saving resources and reducing experimental cost.
[0030] Preferably, the outer wall of the end of the heat preservation sleeve 2 away from the heat preservation cover 23 is provided with two inverted L-shaped elastic buckles 24 on both sides, and the inverted L-shaped elastic buckles 24 are clamped to the upper end edge of the syringe barrel 11 under the elastic force. The inverted L-shaped elastic buckles 24 are made of plastic, which not only has elasticity, is convenient to use, but also has low cost and is convenient to manufacture and produce.
[0031] Preferably, a groove 231 matched with the needle tube joint 14 is formed in the inner bottom wall of the heat preservation cover 23, the needle tube joint 14 protrudes from the fixing ring 22 and can extend into the inside of the groove 231, and an integrated rubber pad 232 is connected to the inner bottom wall of the heat preservation cover 23 and in the groove 231. The rubber pad 232 improves the sealing effect of the opening, thereby avoiding rapid heat loss. An inner thread 233 is arranged on the inner side wall of the heat preservation cover 23, and an outer thread 221 matched with the inner thread 233 is arranged on the outer side wall of the fixing ring 22. The heat preservation cover 23 is screwed on the fixing ring 22 through the threads, the connection is more compact, and the opening and closing are more convenient.
[0032] Preferably, a heat preservation cavity 25 is formed in the side wall of the heat preservation sleeve 2 and the heat preservation cover 23, and a heat preservation material 251 is filled in the heat preservation cavity 25. The heat preservation material 251 is made of rubber or foam.
[0033] Preferably, the heat preservation cavity 25 is a vacuum heat preservation layer, a vacuum suction hole 26 is formed in the outer wall of the heat preservation sleeve 2 and the heat preservation cover 23, and a rubber plug 27 is sealingly embedded in the vacuum suction hole 26. The vacuum heat preservation effect is good, and the brown high-boron-silicon glass is matched, so that the researchers can conveniently check the state and amount of the hydrogel in the syringe barrel.
[0034] Preferably, the heat preservation sleeve 2 is made of brown high-boron-silicon glass, and the high-boron-silicon glass has the advantages of high temperature resistance, light transmission, light weight, high mechanical strength and the like, and is convenient for researchers to check the hydrogel in the syringe barrel.
[0035] Preferably, the upper end of the piston 12 is provided with a heat preservation ring 15, and the heat preservation effect can be further improved.
[0036] The utility model makes further description in combination with the embodiment above, but the utility model is not limited to the above implementation, within the knowledge scope of ordinary skill in the art, still can make various changes without departing from the utility model's purpose.
Claims
1. A light-protected constant temperature syringe, characterized by, It includes: The syringe body (1) includes a syringe barrel (11), a piston (12) sealingly slidingly arranged inside the syringe barrel (11), and a piston rod (13) connected with the piston (12) at one end, and the end of the syringe barrel (11) is integrally connected with a needle tube connector (14); The heat preservation sleeve (2) is sleeved on the outer wall of the syringe barrel (11), and the end of the heat preservation sleeve (2) close to the needle tube connector (14) is a closed end, and a through hole (21) matched with the needle tube connector (14) is formed in the middle of the closed end, and a fixing ring (22) is integrally connected on the heat preservation sleeve (2) outside the through hole (21), the inner diameter of the fixing ring (22) is equal to the inner diameter of the through hole (21), and a heat preservation cover (23) is detachably connected on the fixing ring (22).
2. The light-protected constant temperature syringe of claim 1, wherein, The heat preservation sleeve (2) is slidingly sleeved on the outer wall of the syringe barrel (11), and the end of the heat preservation sleeve (2) away from the heat preservation cover (23) is snap-connected with the syringe barrel (11).
3. The light-protected constant temperature syringe of claim 2, wherein, The outer wall of the end of the heat preservation sleeve (2) away from the heat preservation cover (23) is provided with a reverse L-shaped elastic buckle (24) on both sides, respectively, which can be clamped with the upper end edge of the syringe barrel (11) under the action of the elastic force.
4. The light-protective constant-temperature syringe according to claim 1, characterized in that, A recess (231) matched with the needle tube connector (14) is formed in the middle of the inner bottom wall of the heat preservation cover (23), and an integral rubber pad (232) is connected in the recess (231) and the inner bottom wall of the heat preservation cover (23), and an inner thread (233) is arranged on the inner side wall of the heat preservation cover (23), and an outer thread (221) matched with the inner thread (233) is arranged on the outer side wall of the fixing ring (22).
5. The light-protected constant temperature syringe according to any one of claims 1 to 4, characterized in that A heat preservation cavity (25) is formed in the side wall of the heat preservation sleeve (2) and the heat preservation cover (23), respectively, and a heat preservation material (251) is filled in the heat preservation cavity (25).
6. The light-protected constant temperature syringe of claim 5, wherein, The heat preservation cavity (25) is a vacuum heat preservation layer, and a vacuum suction hole (26) is formed on the outer wall of the heat preservation sleeve (2) and the heat preservation cover (23), respectively, and a rubber plug (27) is sealingly embedded in the vacuum suction hole (26).
7. The light-protected constant temperature syringe of claim 1, wherein The material of the heat preservation sleeve (2) is brown high borosilicate glass.
8. The light-protective constant-temperature syringe according to claim 1, characterized in that, The upper end of the piston (12) is provided with a heat preservation ring (15).