CN221252332U - Medical plastic sealing cover - Google Patents
Medical plastic sealing cover Download PDFInfo
- Publication number
- CN221252332U CN221252332U CN202322894245.0U CN202322894245U CN221252332U CN 221252332 U CN221252332 U CN 221252332U CN 202322894245 U CN202322894245 U CN 202322894245U CN 221252332 U CN221252332 U CN 221252332U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- cover body
- fixedly connected
- medical plastic
- plastic sealing
- 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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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 239000004033 plastic Substances 0.000 title claims abstract description 22
- 229920003023 plastic Polymers 0.000 title claims abstract description 22
- 230000002265 prevention Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Closures For Containers (AREA)
Abstract
The utility model discloses a medical plastic sealing cover which comprises a cover body, wherein a sealing seat is fixedly arranged on the upper surface of the cover body, the upper end of the sealing seat is connected with a negative pressure device, the inner top of the cover body is fixedly connected with a supporting plate, the lower end of the supporting plate is symmetrically provided with two bottom plates, and the upper surfaces of the two bottom plates are fixedly connected with springs. According to the utility model, the supporting plate is arranged to form the cavity with the inner wall of the cover body, after the cover body is in threaded connection with the bottle opening, the upper end of the bottle opening can be propped against the rubber pad, the outer side, the top and the inner side of the bottle opening can be sealed at the same time, the connecting channel between the interior of the bottle and the outside is isolated, a good sealing effect is formed, the spring pushes the movable plate to move upwards, the through hole is sealed, the knob is screwed to drive the threaded rod to rotate, and finally the piston is driven to move upwards, so that negative pressure is formed in the interior of the bottle, the movable plate is further propped against the top of the cover body, looseness is avoided, and the integral sealing effect is improved.
Description
Technical Field
The utility model relates to the technical field of sealing covers, in particular to a medical plastic sealing cover.
Background
The plastic cover is generally made of polyolefin as a main raw material and is processed and molded through injection molding, hot pressing and other processes, is a common packaging form of bottle, tank and barrel packages, has wider application in the fields of beverage, chemical industry and medicine, can be divided into a breathable plastic cover and an airtight plastic cover according to the application, has the characteristics of firm sealing, good leakage prevention and anti-theft performance, safe and convenient use, can effectively prevent liquid in a container from being polluted by the outside, can ensure that various liquid product packages meet the national safety standard and the like, and is convenient for consumers to open and needs to avoid leakage caused by poor sealing performance.
When the existing plastic cover is used, the annular leakage-proof ring arranged at the top is matched, but when medical solvent is stored, the leakage-proof ring is easy to corrode, so that the sealing performance of the plastic cover is reduced, the solution is polluted in the storage process, the solution is evaporated, the loss cost is increased, and the storage area is damaged.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a medical plastic sealing cover.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a medical plastics sealed lid, includes the lid, the upper surface fixed mounting of lid has the seal seat, the upper end of seal seat is connected with negative pressure device, the interior top fixedly connected with backup pad of lid, the lower extreme symmetry of backup pad is equipped with two bottom plates, two the upper surface fixed connection of bottom plate is equipped with the spring, the upper end fixedly connected with fly leaf of spring, the upper surface of fly leaf is provided with the rubber pad.
Preferably, the negative pressure device comprises a sleeve, the sleeve is provided with a threaded rod in threaded connection with the threaded part of the sleeve, the lower end of the threaded rod is fixedly connected with a piston, the piston is arranged inside the sleeve and corresponds to the position of the smooth part of the sleeve, and one end of the threaded rod extending out of the sleeve is fixedly connected with a knob.
Preferably, the sleeve is fixedly connected with the sealing seat, and the diameter of the piston is equal to the inner diameter of the smooth part of the sleeve.
Preferably, a cavity is formed between the inner wall of the cover body and the side wall of the supporting plate, an internal thread is arranged on the inner wall of the cover body, and the internal thread is arranged in the cavity.
Preferably, the upper end face of the cover body is provided with a through hole, the position of the through hole corresponds to that of the sleeve, and the diameter of the through hole is smaller than the inner diameter of the sleeve.
Preferably, a plurality of anti-slip protrusions are arranged on the outer side wall of the cover body, and the protrusions are arranged at equal intervals.
The utility model has the following beneficial effects:
1. Through backup pad and lid inner wall formation cavity that sets up, lid and bottleneck threaded connection back, bottleneck upper end can offset with the rubber pad, can seal outside, top and the inboard of bottleneck simultaneously, isolated bottle inside and external connecting channel form better sealed effect, and the spring promotes fly leaf upwards to form to the through-hole and seals, twists the knob and drives the threaded rod and rotate, finally drives the piston and upwards move to make the inside negative pressure that forms of bottle, make the fly leaf further offset with the lid top, avoid taking place not hard up, promoted holistic sealed effect.
2. Through the piston removal forming negative pressure in the bottle, when the lid inner wall screw thread takes place to damage, still can make bottle upper end and lid support, avoid the air to enter into the inside medical solution emergence pollution that makes of bottle, improved the practicality of this device.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a medical plastic sealing cover according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a medical plastic sealing cover according to the present utility model;
fig. 3 is a schematic view showing a bottom view structure of a medical plastic sealing cover according to the present utility model.
In the figure: 1 cover body, 2 sealing seat, 3 sleeve, 4 threaded rod, 5 knob, 6 piston, 7 internal screw thread, 8 cavity, 9 backup pad, 10 bottom plate, 11 spring, 12 fly leaf, 13 through-holes, 14 arch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 3, a medical plastic sealing cap comprises a cap body 1, wherein a plurality of anti-slip protrusions 14 are arranged on the outer side wall of the cap body 1, and the protrusions 14 are arranged at equal intervals. The upper surface fixed mounting of lid 1 has sealing seat 2, sealing seat 2's upper end is connected with negative pressure device, negative pressure device includes sleeve 3, sleeve 3 screw thread portion and smooth portion respectively, sleeve 3 screw thread portion threaded connection is equipped with threaded rod 4, threaded rod 4's lower extreme fixedly connected with piston 6, piston 6 sets up inside sleeve 3, and corresponding with sleeve 3 smooth portion position, threaded rod 4 extends to sleeve 3 outer one end fixedly connected with knob 5, sleeve 3 and sealing seat 2 fixed connection, piston 6's diameter equals with sleeve 3's smooth portion internal diameter, it is to be noted that, can carry out spacingly to threaded rod 4 through the screw thread portion that sleeve 3 inner wall upper half set up, piston 6 that threaded rod 4 can be connected with the lower extreme moves when twisting knob 5, piston 6 slides in sleeve 3 inside smooth portion, thereby make the bottle inside negative pressure.
The internal top fixedly connected with backup pad 9 of lid 1 forms cavity 8 between the lateral wall of the inner wall of lid 1 and backup pad 9, is provided with internal thread 7 on the inner wall of lid 1, and internal thread 7 sets up in cavity 8, and is further, after lid 1 is connected with the bottle, internal thread 7 and backup pad 9 can seal the outside and the inboard of bottleneck simultaneously, promotes the sealing performance of plastics lid.
The upper end face of the cover body 1 is provided with a through hole 13, the position of the through hole 13 corresponds to that of the sleeve 3, and the diameter of the through hole 13 is smaller than the inner diameter of the sleeve 3.
The lower extreme symmetry of backup pad 9 is equipped with two bottom plates 10, and the upper surface fixed connection of two bottom plates 10 is equipped with spring 11, and the upper end fixedly connected with fly leaf 12 of spring 11, and the upper surface of fly leaf 12 is provided with the rubber pad, and further, spring 11 can promote fly leaf 12 and upwards remove, seals through-hole 13, the negative pressure in the position bottle that can be better.
When the device is used, the internal thread 7 arranged on the inner wall of the cover body 1 is connected with a bottle, the supporting plate 9 simultaneously limits the inner side of the bottle opening, the upper end of the bottle opening is finally propped against a rubber pad in the cavity 8, the bottle is preliminarily sealed, the knob 5 is screwed to drive the threaded rod 4 to rotate, the threaded rod 4 moves upwards with the piston 6 connected with the lower end under the limit of the threaded part of the inner wall of the sleeve 3, air inside the bottle is extracted, meanwhile, the spring 11 pushes the movable plate 12 to move upwards, the through hole 13 is sealed, negative pressure is finally formed inside the bottle, and the sealing effect is further improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a medical plastics sealed lid, includes lid (1), its characterized in that, the upper surface fixed mounting of lid (1) has sealing seat (2), the upper end of sealing seat (2) is connected with negative pressure device, the interior top fixedly connected with backup pad (9) of lid (1), the lower extreme symmetry of backup pad (9) is equipped with two bottom plates (10), two the upper surface fixed connection of bottom plate (10) is equipped with spring (11), the upper end fixedly connected with fly leaf (12) of spring (11), the upper surface of fly leaf (12) is provided with the rubber pad.
2. The medical plastic sealing cover according to claim 1, wherein the negative pressure device comprises a sleeve (3), the sleeve (3) is provided with a threaded rod (4) in threaded connection with the threaded part of the sleeve (3) respectively, the lower end of the threaded rod (4) is fixedly connected with a piston (6), the piston (6) is arranged inside the sleeve (3) and corresponds to the smooth part of the sleeve (3), and one end of the threaded rod (4) extending out of the sleeve (3) is fixedly connected with a knob (5).
3. A medical plastic sealing cover according to claim 2, characterized in that the sleeve (3) is fixedly connected with the sealing seat (2), and the diameter of the piston (6) is equal to the inner diameter of the smooth part of the sleeve (3).
4. A medical plastic sealing cover according to claim 1, characterized in that a cavity (8) is formed between the inner wall of the cover body (1) and the side wall of the supporting plate (9), an internal thread (7) is arranged on the inner wall of the cover body (1), and the internal thread (7) is arranged in the cavity (8).
5. The medical plastic sealing cover according to claim 1, wherein the upper end surface of the cover body (1) is provided with a through hole (13), the position of the through hole (13) corresponds to the position of the sleeve (3), and the diameter of the through hole (13) is smaller than the inner diameter of the sleeve (3).
6. A medical plastic sealing cap according to claim 1, wherein a plurality of protrusions (14) for skid prevention are provided on the outer side wall of the cap body (1), and a plurality of the protrusions (14) are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322894245.0U CN221252332U (en) | 2023-10-27 | 2023-10-27 | Medical plastic sealing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322894245.0U CN221252332U (en) | 2023-10-27 | 2023-10-27 | Medical plastic sealing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221252332U true CN221252332U (en) | 2024-07-02 |
Family
ID=91623307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322894245.0U Active CN221252332U (en) | 2023-10-27 | 2023-10-27 | Medical plastic sealing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221252332U (en) |
-
2023
- 2023-10-27 CN CN202322894245.0U patent/CN221252332U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |