CN202046527U

CN202046527U - Vacuum extraction valve of vacuum compression collection bag

Info

Publication number: CN202046527U
Application number: CN201120154369XU
Authority: CN
Inventors: 肖文贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-15
Filing date: 2011-05-15
Publication date: 2011-11-23
Anticipated expiration: 2021-05-15

Abstract

The utility model relates to a vacuum extraction valve of a vacuum compression collection bag. The vacuum extraction valve comprises a base, a gasket, a non-return air seal and a seal cover, wherein the non-return air seal comprises a spacer part, a stud shaft and a bolt convex part; an outer sleeve ring and an inner sleeve right are arranged above the base in a combined manner; the outer side wall of the outer sleeve ring is in threaded connection with the inner side wall of the seal cover; a convex ring is arranged at the upper end of the inner sleeve ring, and is in contact and connected with the spacer part of the non-return air seal; the circumferential side edge of the spacer part of the non-return air seal is in clearance fit with an inner hole of the outer sleeve ring; a V-shaped cavity is arranged above the inner sleeve ring, and communicated with a slotted hole in the middle of base; the slotted hole is matched with the bolt convex part of the non-return air seal in an accommodating manner; the bottom of the V-shaped cavity is a diameter-reduction part; the diameter-reduction part is matched with the stud shaft of the non-return air seal; extraction breathing holes are formed on the inner sleeve ring; the upper parts of the extraction breathing holes are communicated with the V-shaped cavity; and the lower parts of the extraction breathing holes are communicated with the bottom of the base. The vacuum extraction valve has the advantages simple and reasonable structure, high sealing performance and convenience in use, and the like.

Description

The vacuum suction valve of vacuum compression collection bag

Technical field

The utility model relates to a kind of vacuum suction valve of vacuum compression collection bag.

Background technology

The vacuum suction valve arrangement complexity of vacuum compression collection bag of the prior art, and the phenomenon that in use leaks air, influence collection effect.

Summary of the invention

The purpose of this utility model is to overcome the shortcoming of existing vacuum suction valve, and a kind of vacuum suction valve of vacuum compression collection bag of simple in structure and good sealing effect is provided.

The utility model, by base, packing ring, non-return sealing gland and capping constitute, non-return sealing gland is by gasket part, stud shaft and bolt protuberance constitute, the upper end of stud shaft is connected with the gasket part consubstantiality, the lower end of stud shaft is connected with bolt protuberance consubstantiality, above base, disjunctor is provided with outer sleeve and inner sleeve, and outer sleeve and inner sleeve have common shaft centre line, and the lateral wall of outer sleeve and the madial wall of capping are for being threaded, upper end at inner sleeve, be provided with bulge loop, bulge loop is connected with the gasket part contact of non-return sealing gland, and all sides of the gasket part of non-return sealing gland and the endoporus of outer sleeve are free-running fit, above inner sleeve, be provided with the V-arrangement cavity, the slotted eye in the middle of V-arrangement cavity and the base connects, and slotted eye holds with the bolt protuberance of non-return sealing gland and cooperates, the bottom of V-arrangement cavity is a reducing diameter part, reducing diameter part matches with the stud shaft of non-return sealing gland, on inner sleeve, is provided with a plurality of air extractor vents of bleeding, the bleed top of air extractor vent is communicated with the V-arrangement cavity, and the below of the air extractor vent of bleeding is communicated with the bottom of base.

The utility model can be provided with a plurality of radially ribs in the bottom of base, and radially the length of rib is less than the radius of base; Between outer sleeve and inner sleeve, be provided with a plurality of and connect rib.

The utility model also can be provided with the lock gas-pressure ring in the top inner wall of described capping, and under the capping tight condition, the gasket part of lock gas-pressure ring and non-return sealing gland is a force fit.

The utility model, have simple and reasonable, good seal performance, and advantage such as easy to use.

Description of drawings

Fig. 1-Fig. 3 is the structure principle chart of embodiment.Wherein, Fig. 3 upward view, Fig. 2 are the A-A cutaway view of Fig. 3, and Fig. 1 is the birds-eye view of base.

Among the figure, 10, base 11, outer sleeve 12, inner sleeve 13, radially rib 14, slotted eye 15, reducing diameter part 16, the air extractor vent 17 of bleeding, bulge loop 18, V-arrangement cavity 19, connect rib 20, packing ring 30, non-return sealing gland 31, gasket part 32, bolt protuberance 33, stud shaft 40, capping 41, lock gas-pressure ring 50, bag.

The specific embodiment:

With reference to accompanying drawing 1-Fig. 3, a kind of vacuum suction valve of vacuum compression collection bag, by base 10, packing ring 20, non-return sealing gland 30 and capping 40 constitute, non-return sealing gland 30 is by gasket part 31, stud shaft 33 and bolt protuberance 32 constitute, the upper end of stud shaft 33 is connected with gasket part 31 consubstantialities, the lower end of stud shaft 33 is connected with bolt protuberance 32 consubstantialities, above base 10, disjunctor is provided with outer sleeve 11 and inner sleeve 12, outer sleeve 11 and inner sleeve 12 have common shaft centre line, the madial wall of the lateral wall of outer sleeve 11 and capping 40 is for being threaded, upper end at inner sleeve 12, be provided with bulge loop 17, bulge loop 17 is connected with gasket part 31 contacts of non-return sealing gland 30, the all sides of the gasket part 31 of non-return sealing gland 30 and the endoporus of outer sleeve 11 are free-running fit, above inner sleeve 12, be provided with V-arrangement cavity 18, slotted eye 14 in the middle of V-arrangement cavity 18 and the base 10 connects, slotted eye 14 holds with the bolt protuberance 32 of non-return sealing gland 30 and cooperates, and the bottom of V-arrangement cavity 18 is a reducing diameter part 15, and reducing diameter part 15 matches with the stud shaft 33 of non-return sealing gland 30, on inner sleeve 12, be provided with 10 air extractor vents 16 of bleeding, the top of the air extractor vent 16 of bleeding is communicated with V-arrangement cavity 18, and the below of the air extractor vent 16 of bleeding is communicated with the bottom of base 10.In the bottom of base 10, be provided with 10 radially ribs 13, radially the length of rib 13 is less than the radius of base 10; Between outer sleeve 11 and inner sleeve 12, be provided with 4 even ribs 19.In the top inner wall of described capping 40, be provided with lock gas-pressure ring 41, under capping 40 tight condition, lock gas-pressure ring 41 is a force fit with the gasket part 31 of non-return sealing gland 30.

Present embodiment, described base 10, packing ring 20 and capping 40 can adopt plastic material through die casting machine-shaping respectively, and non-return sealing gland 30 can adopt elastomeric material (for example rubber) through the Mould Machining moulding.

During use, plastic bag 50 is opened a slightly larger in diameter in the hole of outer sleeve 11 diameters; Then, plastic bag 50 is enclosed within on the base 10, adopts the method for glue bond or heat bonding that plastic bag 50 is sealedly connected on the base 10; Pad upper gasket 20, adopt vacuum air pump (not drawing among the figure) that the interior air extraction of bag of the vacuum compression collection bag of clothing will be housed again, because the effect of non-return sealing gland 30, although unload vacuum air pump, air can not enter vacuum compression collection bag more yet, and is last, with capping 40 screw cappings on the outer sleeve 11 of base 10, at this moment, the lower end of capping 40 is fixed and clamped bag 50 between base 10 and packing ring 20 by packing ring 20; Simultaneously, the lock gas-pressure ring 41 that the top inner wall of capping 40 is provided with, under capping 40 tight condition, the gasket part 31 of non-return sealing gland is pressed between the bulge loop 17 at lock gas-pressure ring 41 and base inner sleeve 12 tops, prevent from effectively to guarantee vacuum preservation effect because of the resting period long air enters in the vacuum compression collection bag from the vacuum suction valve.

Claims

1. the vacuum suction valve of vacuum compression collection bag, it is characterized in that: comprise base (10), packing ring (20), non-return sealing gland (30) and capping (40), non-return sealing gland (30) is by gasket part (31), stud shaft (33) and bolt protuberance (32) constitute, the upper end of stud shaft (33) is connected with gasket part (31) consubstantiality, the lower end of stud shaft (33) is connected with bolt protuberance (32) consubstantiality, top in base (10), disjunctor is provided with outer sleeve (11) and inner sleeve (12), outer sleeve (11) and inner sleeve (12) have common shaft centre line, the madial wall of the lateral wall of outer sleeve (11) and capping (40) is for being threaded, upper end in inner sleeve (12), be provided with bulge loop (17), bulge loop (17) is connected with gasket part (31) contact of non-return sealing gland (30), the all sides of the gasket part (31) of non-return sealing gland (30) and the endoporus of outer sleeve (11) are free-running fit, top in inner sleeve (12), be provided with V-arrangement cavity (18), V-arrangement cavity (18) and middle slotted eye (14) perforation of base (10), slotted eye (14) holds with the bolt protuberance (32) of non-return sealing gland (30) and cooperates, the bottom of V-arrangement cavity (18) is reducing diameter part (15), reducing diameter part (15) matches with the stud shaft (33) of non-return sealing gland (30), on inner sleeve (12), be provided with a plurality of air extractor vents of bleeding (16), the bleed top of air extractor vent (16) is communicated with V-arrangement cavity (18), and the below of the air extractor vent of bleeding (16) is communicated with the bottom of base (10).

2. vacuum suction valve according to claim 1 is characterized in that: the bottom in base (10), be provided with a plurality of radially ribs (13), and radially the length of rib (13) is less than the radius of base (10); Between outer sleeve (11) and inner sleeve (12), be provided with a plurality of and connect rib (19).

3. vacuum suction valve according to claim 1 and 2, it is characterized in that: top inner wall in described capping (40), be provided with lock gas-pressure ring (41), under capping (40) tight condition, lock gas-pressure ring (41) is a force fit with the gasket part (31) of non-return sealing gland (30).