CN201002788Y

CN201002788Y - Seal cover

Info

Publication number: CN201002788Y
Application number: CNU2007200473462U
Authority: CN
Inventors: 钱绍恩
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-01-15
Filing date: 2007-01-15
Publication date: 2008-01-09
Anticipated expiration: 2017-01-15

Abstract

The utility model relates to a sealing cover used on the plastic infusion bottle or plastic infusion bag, which comprises: a rubber plug arranged in the plug cavity of the cover; a thin sealing layer arranged at the bottom of the plug cavity; a plurality of circular grooves with the same axes are respectively arranged at the upper and lower end faces of the rubber plug; the groove at the lower end face of the runner plug is matched with the circular boss at the sealing layer edge arranged at the lower end of the plug cavity; a hollow fastening ring is arranged at the upper end face of the rubber plug; the lower end face of the fastening ring is provided with a boss which is matched with the circular groove at the upper end face of the rubber plug; the periphery of the fastening ring is arranged in the circular groove on the plug cavity wall and fixes the rubber plug tightly in the cavity; the rubber plug can closely arranged between the fastening ring and the cover by the hollow fastening ting arranged at the upper end face of the rubber plug. The utility model has the advantages of safe and reliable use, saving materials and reducing cost.

Description

Seal cover cap

Affiliated technical field

The utility model relates to a kind of seal cover cap that is used on plastic infusion bottle or the plastic infusion bag.

Background technology

The present known seal cover cap that is used on plastic infusion bottle or the plastic infusion bag, generally all comprise enclosing cover, plug, inner cap, inner cap is placed in the enclosing cover, plug between inner cap and enclosing cover, inner cap bottom outer surface and cover bottom portion inside face respectively with the plug means of press seals that offsets, outer exterior surface is provided with draw ring, during use, the pulling draw ring makes the bottom of enclosing cover form an opening, syringe needle can be stung seep through plug and inner cap and carries out dosing and transfusion; This seal cover cap makes trouble, exterior and interior cover materials difference, and materials are many, and enclosing cover raw MAT'L costliness, and the injection mo(u)lding difficulty is big, and the manufacturing of draw ring is very high to the requirement of raw MAT'L and production facilities, and whole cost is higher.Also there is a kind of seal cover cap only to adopt a lid, utilize in the lid sealing that is nested of plug and lid inner convex platform, the existence of no sealing layer, soup meeting direct contact plug, cause the problem of plug and soup intermiscibility easily, simultaneously the lid upper end does not have complete Seal Design yet, cleanliness maintain very big secret worry.

Summary of the invention

At the weak point that existing seal cover cap exists, the purpose of this utility model provides the seal cover cap of a kind of safe and reliable, saving in material, cost-cutting.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of seal cover cap, plug is positioned at the plug chamber of lid, bottom, plug chamber is provided with thin sealing layer, both ends of the surface respectively have the annular groove of concentric about the plug, plug lower surface groove cooperates with the annular boss at plug sealing layer edge, lower end, chamber, the plug upper surface is provided with a hollow clasp, the clasp lower surface has the annular boss that matches with plug upper surface annular groove, and the clasp circumferential edges is positioned at the annular groove on the wall of plug chamber and plug closely is fixed in the chamber.

The upper surface of the annular groove on the wall of plug chamber becomes 0～60 ° of angle α with horizon.

The clasp circumferential edges has the upper surface that matches with annular groove upper surface on the plug chamber wall.

The clasp circumference is wide at the top and narrow at the bottom, and its outer circumferential walls becomes 30～60 ° of angle β with the clasp line of centers.

The lid lower internal edge is up-narrow and down-wide horn-like opening, is sealing layer between the horn-like opening in lid plug chamber and bottom.

The height h of described horn-like opening is 0～8mm.

Described horn-like opening inner edge is a zig-zag.

Lid lower surface port edge is provided with annular boss shape weld bond.

Lid upper end open tearing film phonograph seal, tearing film external diameter are more than or equal to lid upper surface external diameter, and its outer rim is provided with at least one pulling part of being convenient to opening that stretches out the lid upper surface.

Lid upper end open clad aluminum foil film phonograph seal.

The utility model can closely be between clasp and the lid plug by the hollow clasp that the plug upper surface is provided with, safe and reliable, saving in material, cost-cutting.

The utility model further improves safe reliability by α is set.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is that master of the present utility model looks scheme drawing;

Fig. 2 is a STRUCTURE DECOMPOSITION scheme drawing of the present utility model;

Fig. 3 is the A-A cross-sectional schematic of the utility model Fig. 1;

Fig. 4 is a schematic perspective view of the present utility model;

Fig. 5 is the local enlarged diagram of the utility model clasp and lid fit structure;

Fig. 6 is the local enlarged diagram of another kind of clasp of the utility model and lid fit structure;

Among the figure 1, lid, 2, plug, 3, the tearing film, 4, clasp, 5, annular groove, 6, annular boss, 7, annular groove, 8, sealing layer, 9, annular boss, 10, annular groove, 11, pulling part, 12, weld bond.

The specific embodiment

Embodiment one: as shown in the figure, a kind of seal cover cap of the present utility model, plug 2 is positioned at the plug chamber of lid 1, bottom, plug chamber is provided with thin sealing layer 8, plug about in the of 2 both ends of the surface respectively have the annular groove 7 of concentric, 10, plug 2 lower surface grooves 10 cooperate with the annular boss 9 at plug sealing layer 8 edges, lower end, chamber, plug 2 upper surfaces are provided with a hollow clasp 4, clasp 4 lower surfaces have the annular boss 6 that matches with plug 2 upper surface annular grooves 7, clasp 4 circumferential edges are positioned at the annular groove 5 on the wall of plug chamber and plug 2 closely are fixed in the chamber, the upper surface of annular groove 5 and horizontal angle α are 0 degree, clasp 4 circumferential edges upper surfaces match with the upper surface of groove 5, clasp 4 circumference are wide at the top and narrow at the bottom, the angle β of its outer circumferential walls and clasp 4 line of centerss is 45 °, clasp 4 can be pressed into lid 1 plug chamber smoothly, with be difficult for deviating from after lid 1 engages, plug 2 can tightly be stuck between clasp 4 and the lid 1, simple in structure, safe and reliable, lid 1 lower internal edge is up-narrow and down-wide horn-like opening, between lid 1 plug chamber and the horn-like opening in bottom is sealing layer 8, the height h of horn-like opening is 4mm, make lid 1 saving in material, be easy to moulding, lid 1 lower surface port edge is provided with annular boss shape weld bond 12, can guarantee the driving fit welding between lid 1 and bottleneck or the interface, lid 1 upper end open seals with tearing film 3, tearing film 3 external diameters are greater than lid 1 upper surface external diameter, its outer rim is provided with a pulling part 11 being convenient to opening that stretches out lid 1 upper surface, during use pulling part 11 mentioned tearing film 3 is drawn back, can make things convenient for dosing and transfusion, good seal performance, easy to use.

Embodiment two: as shown in the figure, a kind of seal cover cap of the present utility model, plug 2 is positioned at the plug chamber of lid 1, bottom, plug chamber is provided with thin sealing layer 8, plug about in the of 2 both ends of the surface respectively have the annular groove 7 of concentric, 10, plug 2 lower surface grooves 10 cooperate with the annular boss 9 at plug sealing layer 8 edges, lower end, chamber, plug 2 upper surfaces are provided with a hollow clasp 4, clasp 4 lower surfaces have the annular boss 6 that matches with plug 2 upper surface annular grooves 7, clasp 4 circumferential edges are positioned at the annular groove 5 on the wall of plug chamber and plug 2 closely are fixed in the chamber, the upper surface of annular groove 5 and horizontal angle α are 0 degree, clasp 4 circumferential edges upper surfaces match with the upper surface of groove 5, clasp 4 circumference are wide at the top and narrow at the bottom, the angle β of its outer circumferential walls and clasp 4 line of centerss is 45 °, clasp 4 can be pressed into lid 1 plug chamber smoothly, with be difficult for deviating from after lid 1 engages, plug 2 can tightly be stuck between clasp 4 and the lid 1, simple in structure, safe and reliable, lid 1 lower internal edge is up-narrow and down-wide horn-like opening, between lid 1 plug chamber and the horn-like opening in bottom is sealing layer 8, the height h of horn-like opening is 4mm, its inwall is a zig-zag, make lid 1 saving in material, lid 1 lower surface port edge is provided with annular boss shape weld bond 12, can guarantee the driving fit welding between lid 1 and bottleneck or the interface, lid 1 upper end open clad aluminum foil film phonograph seal during use is opened the clad aluminum foil film, can make things convenient for dosing and transfusion, good seal performance, simple to operate.

Embodiment three: as shown in the figure, a kind of seal cover cap of the present utility model, the upper surface and the horizontal angle α of annular groove 5 are 15 ° in the lid 1, after being pressed into lid 1 plug chamber and lid 1 engages, clasp 4 is difficult for deviating from, plug 2 can tightly be stuck between clasp 4 and the lid 1, and all the other technical characterictics and advantage are identical with embodiment one.

The above is a preferred embodiment of the present utility model only, but not is used for limiting forms such as protection domain of the present utility model, equivalents of being done on the basis of said structure such as concavo-convex cooperation, still belongs to protection domain of the present utility model.

Claims

1, a kind of seal cover cap, plug (2) is positioned at the plug chamber of lid (1), it is characterized in that: bottom, plug chamber is provided with thin sealing layer (8), plug (2) both ends of the surface up and down respectively has the annular groove (7) (10) of concentric, plug (2) lower surface groove (10) cooperates with the annular boss (9) at plug lower end, chamber sealing layer (8) edge, plug (2) upper surface is provided with a hollow clasp (4), clasp (4) lower surface has the annular boss (6) that matches with plug (2) upper surface annular groove (7), and clasp (4) circumferential edges is positioned at the annular groove (5) on the wall of plug chamber and plug (2) closely is fixed in the chamber.

2, seal cover cap according to claim 1 is characterized in that: the upper surface of groove (5) becomes 0～60 ° of angle α with horizon.

3, seal cover cap according to claim 2 is characterized in that: α is 0 degree.

4, according to claim 1 or 2 or 3 described seal cover caps, it is characterized in that: clasp (4) circumferential edges has the upper surface that matches with the upper surface of groove (5).

5, seal cover cap according to claim 4 is characterized in that: clasp (4) circumference is wide at the top and narrow at the bottom, and its outer circumferential walls becomes 30～60 ° of angle β with clasp (4) line of centers.

6, seal cover cap according to claim 1 is characterized in that: lid (1) lower internal edge is up-narrow and down-wide horn-like opening, is sealing layer (8) between lid (1) plug chamber and the horn-like opening in bottom.

7, seal cover cap according to claim 5 is characterized in that: lid (1) lower internal edge is up-narrow and down-wide horn-like opening, is sealing layer (8) between lid (1) plug chamber and the horn-like opening in bottom.

8, seal cover cap according to claim 6 is characterized in that: the height h of described horn-like opening is 0～8mm.

9, seal cover cap according to claim 7 is characterized in that: described horn-like opening inwall is a zig-zag.

10, according to Claim 8 or 9 described seal cover caps, it is characterized in that: lid (1) lower surface port edge is provided with annular boss shape weld bond (12).

11, seal cover cap according to claim 5, it is characterized in that: lid (1) upper end open seals with tearing film (3), tearing film (3) external diameter is more than or equal to lid (1) upper surface external diameter, and its outer rim is provided with at least one pulling part (11) of being convenient to opening that stretches out lid (1) upper surface.

12, seal cover cap according to claim 5 is characterized in that: lid (1) upper end open is provided with sealed composite aluminium foil film.