CN209291069U - A kind of closed storage container of low-substituted hydroxypropyl cellulose - Google Patents

Abstract

The utility model discloses a kind of closed storage containers of low-substituted hydroxypropyl cellulose, including tank body and sealing cover, the sealing cover is set to top of the tank, the tank interior is equipped with moisture-proof interlayer, the top of the tank is equipped with feed inlet, the sealing cover includes lid, annular plate and top cover, the annular plate is fixedly installed on lid bottom inside, the top cover is set at the top of lid, the annular plate outer wall is equipped with sealing ring, corresponding lid bottom surface is equipped with Gask-O-Seal on the outside of the annular plate, the annular plate bottom inside is bonded with waterproof ventilative layer, cavity is formed between the waterproof ventilative layer and lid.The utility model is used in combination using aspirating hole and waterproof ventilative layer, it is vacuumized by aspirating hole, and because the blocking of waterproof ventilative layer, makes low-substituted hydroxypropyl cellulose be not easy to be extracted, it can guarantee only have a small amount of air inside its storage container after taking low-substituted hydroxypropyl cellulose every time.

Description

A kind of closed storage container of low-substituted hydroxypropyl cellulose

Technical field

The utility model relates to storage container technical field, in particular to a kind of closed storage of low-substituted hydroxypropyl cellulose is held Device.

Background technique

There is moisture absorption after low-substituted hydroxypropyl cellulose is dry, but property is stablized.Its solution is stablized in pH3~11.Temperature increases Solubilization liquid viscosity reduces.Heating-cooling can make hydroxypropyl methylcellulose from solution state → gel state reversible transition.According to different stage And concentration, gelling temperature is at 50-90 DEG C.The aqueous solution of hydroxypropyl methylcellulose has antienzyme effect, protects during long-term storage Hold preferable stability of viscidity.But invasion of the aqueous solution vulnerable to microorganism, therefore antiseptic and inhibiting bacteria function agent should be added when storage. When hydroxypropyl methylcellulose is used as tackifier in ophthalmology eye drops, benzalkonium chloride is usually added into as preservative.Aqueous solution can Pressure sterilizing.Agglomeration shakes after its cooling to be dispersed again.Hydroxypropyl methylcellulose powder must be stored in closed container, juxtaposition In a cool and dry place；Therefore it needs to be sealed under certain temperature environment when low-substituted hydroxypropyl cellulose storage, but it is general The storage container being sealed just do not have leakproofness after using internal storage material, cause the air of outside continuous Pollution inside material.

Therefore, it is necessary to solve the above problems to invent a kind of closed storage container of low-substituted hydroxypropyl cellulose.

Utility model content

The purpose of this utility model is to provide a kind of closed storage containers of low-substituted hydroxypropyl cellulose, by utilizing pumping Hole is used in combination with waterproof ventilative layer, after storing low-substituted hydroxypropyl cellulose, can be vacuumized by aspirating hole, be avoided sky Moisture or other substances in gas are reacted with low-substituted hydroxypropyl cellulose causes low-substituted hydroxypropyl cellulose to be contaminated, and makes When with low-substituted hydroxypropyl cellulose, screwing off sealing cover be can be taken off, and after the completion of use, is covered sealing cover, is at this time screwed off top cover, It vacuumizes again, to can guarantee only have a small amount of sky inside its storage container after taking low-substituted hydroxypropyl cellulose every time Gas, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of low-substituted hydroxypropyl cellulose is closed to be deposited Storage container, including tank body and sealing cover, the sealing cover are set to top of the tank, and the tank interior is equipped with moisture-proof interlayer, institute Top of the tank is stated equipped with feed inlet, the sealing cover includes lid, annular plate and top cover, and the annular plate is fixedly installed on Lid bottom inside, the top cover are set at the top of lid, and the annular plate outer wall is equipped with sealing ring, outside the annular plate The corresponding lid bottom surface in side is equipped with Gask-O-Seal, and the annular plate bottom inside is bonded with waterproof ventilative layer, described Form cavity between waterproof ventilative layer and lid, the corresponding lid of the cavity top is equipped with aspirating hole, at the top of the top cover It is equipped with seal head equipped with pull ring and bottom, corresponding cap base surface is bonded with the first rubber pad on the outside of the seal head, The corresponding lid in the cap base edge is equipped with slot.

Preferably, the moisture-proof interlayer is made of vapour-binding film and moisture-proof cotton pad, and the moisture-proof cotton pad is set in vapour-binding film Portion.

Preferably, the annular plate and feed inlet activity are clamped, and the lid inner sidewall is equipped with internal screw thread, the tank External wall is equipped with the external screw thread matched with internal screw thread, and the sealing cover and tank body are threadedly coupled.

Preferably, the sealing ring outer wall fits with tank body inner sidewall, the Gask-O-Seal and top of the tank end face It fits, the waterproof ventilative layer is made of waterproof and breathable cloth.

Preferably, the seal head and top cover integrated molding, the seal head is matched with aspirating hole and activity clamping, The spacing of first rubber pad bottom end and top cover bottom end is less than socket depth.

Preferably, the top cover is matched with slot, and top cover is threadedly coupled with slot, the cap base end face bonding There is the second rubber pad.

The technical effect and advantage of the utility model:

1, the utility model is used in combination using aspirating hole and waterproof ventilative layer, in storage low-substituted hydroxypropyl cellulose Afterwards, it can be vacuumized by aspirating hole, the moisture in air or other substances is avoided to react and lead with low-substituted hydroxypropyl cellulose Cause low-substituted hydroxypropyl cellulose be contaminated, and because waterproof ventilative layer blocking, make low-substituted hydroxypropyl cellulose be not easy by Extraction to avoid reducing the quality of every tank, and avoids blocking vacuum evacuation device；

2, when using low-substituted hydroxypropyl cellulose, screwing off sealing cover be can be taken off, and after the completion of use, cover sealing cover, Top cover is screwed off at this time, is vacuumized again, to can guarantee its storage container after taking low-substituted hydroxypropyl cellulose every time The only a small amount of air in inside；

3, it by the setting of sealing ring and Gask-O-Seal, is completely embedded sealing cover with tank body, and seals, pass through The setting of one rubber pad and the second rubber pad, is completely embedded top cover with lid, and seals, and sealing effect is good；

4, it is made of moisture-proof interlayer of vapour-binding film and moisture-proof cotton pad, the moisture-proof cotton pad is set to inside vapour-binding film, is prevented Damp effect is good, and plays the role of protecting tank body and heat preservation.

Detailed description of the invention

Fig. 1 is the entirety sectional view of the utility model.

Fig. 2 is the sealing cover cross-sectional view of the utility model.

Fig. 3 is the sealing cover bottom view of the utility model.

In figure: 1 tank body, 2 sealing covers, 21 lids, 22 annular plates, 23 top covers, 3 moisture-proof interlayers, 4 feed inlets, 5 sealings Circle, 6 Gask-O-Seals, 7 waterproof ventilative layers, 8 cavitys, 9 aspirating holes, 10 pull rings, 11 seal heads, 12 first rubber pads, 13 slots, 14 second rubber pads.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of closed storage container of low-substituted hydroxypropyl cellulose according to shown in Fig. 1-3, including tank body 1 and sealing cover 2, institute It states sealing cover 2 and is set to 1 top of tank body, moisture-proof interlayer 3 is equipped with inside the tank body 1, is equipped with feed inlet 4 at the top of the tank body 1, The sealing cover 2 includes lid 21, annular plate 22 and top cover 23, and the annular plate 22 is fixedly installed in 21 bottom of lid Side, the top cover 23 are set to the top of lid 21, and annular 22 outer wall of plate is equipped with sealing ring 5, outside the annular plate 22 Corresponding 21 bottom surface of lid in side is equipped with Gask-O-Seal 6, and annular 22 bottom inside of plate is bonded with waterproof ventilative layer 7, cavity 8 is formed between the waterproof ventilative layer 7 and lid 21, corresponding lid 21 is equipped with aspirating hole at the top of the cavity 8 9, it is equipped with pull ring 10 at the top of the top cover 23 and bottom is equipped with seal head 11, corresponding 23 bottom of top cover in 11 outside of seal head Portion surface is bonded with the first rubber pad 12, and the corresponding lid 21 of 23 bottom margin of top cover is equipped with slot 13.

Further, in the above scheme, the moisture-proof interlayer 3 is made of vapour-binding film and moisture-proof cotton pad, the moisture-proof cotton Pad is set to inside vapour-binding film, and dampproof effect is good, and plays the role of protecting tank body 1 and heat preservation.

Further, in the above scheme, the annular plate 22 is clamped with 4 activity of feed inlet, 21 inside of lid Wall is equipped with internal screw thread, and 1 outer wall of tank body is equipped with the external screw thread matched with internal screw thread, 1 screw thread of the sealing cover 2 and tank body Connection.

Further, in the above scheme, 5 outer wall of sealing ring fits with 1 inner sidewall of tank body, the ring packing Pad 6 fits with 1 top end surface of tank body, and the waterproof ventilative layer 7 is made of waterproof and breathable cloth, convenient ventilative, and obstructs Low-substituted hydroxypropyl cellulose can be avoided low-substituted hydroxypropyl cellulose and be extracted when vacuumizing through aspirating hole 9, reduce every tank Quality, and avoid blocking vacuum evacuation device.

Further, in the above scheme, the seal head 11 and 23 integrated molding of top cover, the seal head 11 and pumping Stomata 9 matches and activity clamping, and the spacing of 12 bottom end of the first rubber pad and 23 bottom end of top cover is less than 13 depth of slot, When top cover 23 is fully inserted into 13 inside of slot, the first rubber pad 12 can be bonded with 21 top surface of lid, to play sealing Effect.

Further, in the above scheme, the top cover 23 is matched with slot 13, and top cover 23 and 13 screw thread of slot connect It connects, easy for installation, 23 bottom end face of top cover is bonded with the second rubber pad 14, convenient for sealing.

Utility model works principle:

Referring to Figure of description 1-3, in use, sealing cover 2 is covered after low-substituted hydroxypropyl cellulose is packed into tank body 1, It is threadedly coupled it with tank body 1, aspirating hole 9 can be connected by vacuum evacuation device and extract the air in tank body 1 out, avoid air In moisture or other substances reacted with low-substituted hydroxypropyl cellulose low-substituted hydroxypropyl cellulose caused to be contaminated, vacuumize When, because of the blocking of waterproof ventilative layer 7, low-substituted hydroxypropyl cellulose is made to be not easy to be extracted, thus avoid reducing the quality of every tank, And blocking vacuum evacuation device is avoided, after vacuumizing, top cover 23 is held by pull ring 10, by 23 quick insertion slot of top cover In 13, slot 13 positions top cover 23, while seal head 11 and aspirating hole 9 are clamped, thus avoid outside air through aspirating hole 9 into Enter in tank body 1, then rotating top cover 23 makes it connect fastening with lid 21, when using low-substituted hydroxypropyl cellulose, screws off close Capping 2 can be taken off, and after the completion of use, covers sealing cover 2, at this time screws off top cover 23, vacuumize again, thus taking every time It can guarantee air only a small amount of inside its storage container after low-substituted hydroxypropyl cellulose；

Referring to Figure of description 2, when sealing cover 2 is connect with tank body 1 and top cover 23 is connect with lid 21, sealing ring 5 Sealing cover 2 is completely embedded with tank body 1 with Gask-O-Seal 6, and is sealed, and the first rubber pad 12 and the second rubber pad 14 make to push up Lid 23 is completely embedded with lid 21, and is sealed.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of closed storage container of low-substituted hydroxypropyl cellulose, including tank body (1) and sealing cover (2), the sealing cover (2) set It is placed at the top of tank body (1), it is characterised in that: be equipped with moisture-proof interlayer (3) inside the tank body (1), be equipped at the top of the tank body (1) Feed inlet (4), the sealing cover (2) include lid (21), annular plate (22) and top cover (23), and the annular plate (22) is solid Surely it is set to lid (21) bottom inside, the top cover (23) is set at the top of lid (21), described annular plate (22) outer wall Equipped with sealing ring (5), corresponding lid (21) bottom surface is equipped with Gask-O-Seal (6) on the outside of the annular plate (22), institute It states annular plate (22) bottom inside to be bonded with waterproof ventilative layer (7), be formed between the waterproof ventilative layer (7) and lid (21) Cavity (8), corresponding lid (21) is equipped with aspirating hole (9) at the top of the cavity (8), and pull ring is equipped at the top of the top cover (23) (10) and bottom is equipped with seal head (11), and corresponding top cover (23) bottom surface is bonded with first on the outside of the seal head (11) Rubber pad (12), the corresponding lid (21) of top cover (23) bottom margin are equipped with slot (13).

2. the closed storage container of a kind of low-substituted hydroxypropyl cellulose according to claim 1, it is characterised in that: described moisture-proof Interlayer (3) is made of vapour-binding film and moisture-proof cotton pad, and the moisture-proof cotton pad is set to inside vapour-binding film.

3. the closed storage container of a kind of low-substituted hydroxypropyl cellulose according to claim 1, it is characterised in that: the annular Plate (22) and feed inlet (4) activity are clamped, and lid (21) inner sidewall is equipped with internal screw thread, and tank body (1) outer wall is set There is the external screw thread matched with internal screw thread, the sealing cover (2) and tank body (1) are threadedly coupled.

4. the closed storage container of a kind of low-substituted hydroxypropyl cellulose according to claim 1, it is characterised in that: the sealing Circle (5) outer wall fits with tank body (1) inner sidewall, and the Gask-O-Seal (6) fits with tank body (1) top end surface, described Waterproof ventilative layer (7) is made of waterproof and breathable cloth.

5. the closed storage container of a kind of low-substituted hydroxypropyl cellulose according to claim 1, it is characterised in that: the sealing Head (11) and top cover (23) integrated molding, the seal head (11) matches with aspirating hole (9) and activity clamping, and described first The spacing of rubber pad (12) bottom end and top cover (23) bottom end is less than slot (13) depth.

6. the closed storage container of a kind of low-substituted hydroxypropyl cellulose according to claim 1, it is characterised in that: the top cover (23) it is matched with slot (13), and top cover (23) is threadedly coupled with slot (13), top cover (23) bottom end face is bonded with Second rubber pad (14).