CN211593769U - Pressure release valve of self-supporting garbage bag - Google Patents

Abstract

The invention relates to a pressure release valve of a self-supporting garbage bag, wherein a pressure release cavity is arranged in a pressure release valve body, a first movable plug hole and a second movable plug hole are arranged on the pressure release valve body, the size of the lower end of a movable plug is larger than that of the upper end of the movable plug, a pushing inclined plane is formed in the middle of the movable plug, and the upper end of the movable plug sequentially penetrates through the second movable plug hole, the pressure release cavity and the first movable plug hole from bottom to top and then is connected with a pull ring during assembly; the stretching-in part is provided with an inserting hole and an air leakage hole which are communicated with the air leakage cavity, one end of the second one-way valve push rod penetrates through the inserting hole and then is inserted into the air leakage cavity and abuts against the movable plug, the other end of the second one-way valve push rod is provided with a sealing part which can cover the air leakage hole, the pull ring can be connected with a lifting rope of the garbage bag, and when the garbage bag is filled with garbage, the lifting rope can be lifted to pull the air leakage valve to release air conveniently and quickly.

Description

Pressure release valve of self-supporting garbage bag

[ technical field ] A method for producing a semiconductor device

The invention relates to a garbage bag accessory, in particular to a pressure release valve for a self-supporting garbage bag.

[ background of the invention ]

The garbage bag has extensive usage in people's daily life, especially to the resident who lives in the building the inside, the garbage bag is the indispensable daily necessities in the life, but current garbage bag all need use with the garbage bin collocation basically, and people need cover the garbage bin with the garbage bag earlier when using the garbage bag, and also need take out the garbage bag from the garbage bin earlier when needs lose rubbish, and this time and energy when having undoubtedly increased people's clearance rubbish. Moreover, the garbage can needs to be placed indoors for a long time, is not easy to clean, is easy to nourish bacteria, and occupies indoor space.

Some garbage bags capable of solving the problems also appear in the prior art, for example, the Chinese utility model patent with the publication number of CN205418693U discloses an inflatable self-supporting garbage bag; the technical scheme disclosed by the method is as follows: comprises a film bag, a garbage bag bracket consisting of a garbage cover, a bracket upper ring, a support rod and a bracket lower ring; the garbage bag support and the film bag are integrated, and the garbage bag support supports the film bag in an inflation mode; thereby replacing the trash can; however, the inflation mode of the garbage bag is troublesome, an air plug is required to be arranged on the upper ring of the bracket, the garbage bag is inflated by an external inflation device, the air plug is covered after the garbage bag is inflated, the complex process can inhibit the purchase desire of consumers, the product sales volume cannot be increased, and the consumer cannot get the favor. In addition, the technical scheme is that inflation and deflation are realized through the air plug, a user needs to pull out the air plug, and the operation is troublesome. Therefore, the invention provides an air release valve of a self-supporting garbage bag, which is simple to operate and convenient to use.

[ summary of the invention ]

In order to solve the problems, the invention provides the pressure release valve of the self-standing garbage bag, which is simple to operate and convenient to use.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a relief valve of self-supporting disposal bag, includes snuffle valve body, second check valve push rod and activity stopper, the middle part evagination of snuffle valve body is formed with connecting portion, makes the one end of snuffle valve body forms the portion that exposes, the other end of snuffle valve body forms the portion of stretching into, this internal opening that is provided with of snuffle valve is located the air cavity that exposes, the upper end of exposing be provided with the first activity consent of disappointing chamber intercommunication, the lower extreme of exposing be provided with disappointing chamber intercommunication and with the coaxial second activity consent of first activity consent, the lower extreme size of activity stopper is greater than its upper end size the middle part of activity stopper is formed with and promotes the inclined plane, the aperture of second activity is greater than the aperture of first activity consent during the assembly the upper end of activity stopper is from up passed in proper order down the second activity consent, A pull ring is connected behind the air relief cavity and the first movable plug hole; stretch into the portion have with the patchhole of disappointing chamber intercommunication and be located the patchhole outside and with the disappointing hole of disappointing chamber intercommunication, the one end of second check valve push rod is passed insert behind the patchhole the intracavity of disappointing and support on the movable plug, the other end of second check valve push rod has can lid and close sealing portion on the disappointing hole, when the pulling during the activity stopper upward movement promote the inclined plane and promote the second check valve push rod orientation deviates from the direction removal of disappointing valve body thereby makes the disappointing hole is in the open mode.

As a preferred embodiment, further defined is: a second clamp spring and a second spring which are positioned in the air release cavity are arranged on the second one-way valve push rod, a second clamp spring groove is formed in the second one-way valve push rod, a second gap is formed in the second clamp spring, and the second clamp spring is clamped in the second clamp spring groove; after assembly, one end of the second spring abuts against the second clamp spring, and the other end of the second spring abuts against the cavity bottom of the air release cavity.

As a preferred embodiment, further defined is: and when the air release valve is in a closed state, the sealing sheet is tightly attached to the outer side of the air release hole.

As a preferred embodiment, further defined is: the maximum size of the movable plug is smaller than the size of the second movable plug hole and larger than the size of the first movable plug hole.

As a preferred embodiment, further defined is: the pressure release valve of the self-standing garbage bag further comprises a lifting rope, and the lifting rope is connected with the pull ring.

The beneficial effects of the invention are as follows: this internal second check valve push rod and the activity stopper of being provided with of snuffle valve, the upper end of piston is passed through the pull ring and is connected with the rope of carrying of disposal bag, and the lower extreme size of activity stopper is greater than its upper end size, is formed with the promotion inclined plane at the middle part of activity stopper, draws the rope through mentioning during the use and drags the piston upward movement to promote the second check valve push rod through promoting the inclined plane and make this snuffle valve open and lose heart, simple structure, convenient and fast.

[ description of the drawings ]

FIG. 1 is a schematic diagram of the closed state structure created by the present invention;

FIG. 2 is a schematic view of the open state structure created by the present invention;

FIG. 3 is a schematic diagram of the exploded structure of the present invention;

FIG. 4 is a schematic structural view of the relief valve body;

FIG. 5 is a longitudinal cross-sectional view of the closed state created by the present invention;

FIG. 6 is a longitudinal cross-sectional view of the open position created by the present invention;

FIG. 7 is a transverse cross-sectional view of the open position created by the present invention;

FIG. 8 is a schematic view of the folding structure of the present invention applied to a garbage bag;

FIG. 9 is a schematic view showing the structure of the present invention in a use state applied to a garbage bag;

FIG. 10 is a second structural view illustrating the operation state of the garbage bag according to the present invention;

FIG. 11 is a schematic view of the present invention in an exploded configuration as applied to a trash bag;

FIG. 12 is a schematic structural view of an inflation assembly;

FIG. 13 is an exploded view of the inflation assembly;

FIG. 14 is a longitudinal cross-sectional view of the closed state of the inflation assembly;

FIG. 15 is a longitudinal cross-sectional view of the inflation assembly in an open state;

FIG. 16 is a transverse cross-sectional view of the inflation assembly in an open state;

FIG. 17 is a schematic view of the gas cylinder;

fig. 18 is a schematic structural view of a first check valve push rod.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 8 to 11, the pressure release valve for the self-standing garbage bag can be applied to the self-standing garbage bag, the self-standing garbage bag comprises a foldable bag body 1, the upper end of the bag body 1 is provided with a bag opening 11 after being unfolded, an annular cavity 12 located at the bag opening 11 is arranged on the bag body 1, and a plurality of longitudinal supporting cavities 13 communicated with the annular cavity 12 are further arranged on the bag body 1; in this embodiment, the bag body 1 may be a film, and the bag body 1, the annular cavity 12 and the longitudinal supporting cavity 13 are connected together or the annular cavity 12 and the longitudinal supporting cavity 13 are directly formed on the film by a hot melting or ultrasonic technology in the prior art. A plurality of the longitudinal supporting cavities 13 are distributed in a circular array at the outer side or the inner side of the bag body 1. In order to prevent the longitudinal supporting cavities 13 from being damaged by garbage, in the present embodiment, it is preferable that the longitudinal supporting cavities 13 are distributed in a circular array on the outer side of the bag body 1. The number of the longitudinal supporting cavities 13 is preferably 4, so that the production cost can be effectively controlled, and the supporting requirement of the garbage bag can be met.

In this embodiment, the bag body 1 is further provided with an inflation assembly 2 communicated with the annular cavity 12 or the longitudinal support cavity 13, and in order to simplify the connection structure of the inflation assembly 2 and the annular cavity 12 or the longitudinal support cavity 13, the inflation assembly 2 is arranged in the annular cavity 12 or any one of the longitudinal support cavities 13. Furthermore, in order to prevent the garbage from extruding into the inflatable module 2 to generate secondary inflation and cause over-inflation explosion in use, as shown in fig. 10, the inflatable module 2 is arranged in the annular cavity 12. In addition, because the lower extreme of annular cavity 12 communicates with a plurality of longitudinal support cavity 13 respectively, because the subassembly 2 that aerifys sets up more be favorable to simultaneously aerifing a plurality of longitudinal support cavities 13 in annular cavity 12, improve and aerify efficiency. The compressed air bottle assembly 2 is provided with an inflation key 23, when the inflation key 23 is pressed, the inflation assembly 2 inflates the annular cavity 12 and the longitudinal support cavity 13, so that the bag body 1 is unfolded to be in a barrel shape with an open upper end, the operation is simple, the use is convenient, and a user only needs to press the key; its bottom is flat after sack body 1 expandes, is convenient for keep flat this disposal bag, and need not to put into the garbage bin with this disposal bag again, has saved the garbage bin structure, has saved the interior space, also need not to clean the garbage bin again simultaneously, directly throw away the disposal bag after having used can, effectively prevent to nourish the bacterium for the house health is safer.

In the present embodiment, the annular cavity 12 or the longitudinal support cavity 13 is further provided with an air release valve 3; the self-supporting garbage bag further comprises a lifting rope 4 capable of pulling the air escape valve to release air, and the lifting rope 4 is connected with the pull ring 34. In order to improve the air release efficiency, the air release valves 3 are arranged on the annular cavity 12, two air release valves 3 are symmetrically arranged on the annular cavity 12, one end of the lifting rope 4 is connected with one pull ring 34 of the air release valve 3, and the other end of the lifting rope 4 is connected with the other pull ring 34 of the air release valve 3. After the device is used, the lifting rope 4 is pulled to pull the air release valve to release air, and the device is convenient and quick.

In the present embodiment, as shown in fig. 12 and 13, the inflation assembly 2 includes a housing 21, a gas cylinder 22 for storing gas, and a link assembly disposed in the housing 21, and an inflation key hole 211 adapted to the inflation key 23 is disposed on an outer side of the housing 21; the connecting rod assembly comprises a first connecting rod 24 and a second connecting rod 25, one end of the first connecting rod 24 is hinged to one end of the housing 21, the other end of the first connecting rod 24 is hinged to one end of the second connecting rod 25, a mouth of the gas cylinder 22 is in threaded connection with the other end of the housing 21, a check valve assembly is arranged at the mouth of the gas cylinder 22, the check valve assembly comprises a first check valve push rod 26 and a first spring 27 which drives the first check valve push rod 26 to be in tight contact with the gas cylinder 22 and keeps the mouth of the gas cylinder 22 in a closed state, the first check valve push rod 26 is provided with a pushing part 261 extending out of the gas cylinder 22, the other end of the second connecting rod 25 abuts against the pushing part 261, and the inflation key 23 is located at the outer side of the hinged position of the first connecting rod 24 and the second connecting rod 25, as shown in fig. 14, in a natural state, the first connecting rod 24 and the second connecting rod 25 are folded outwards and jack up the inflation key 23, an included angle between the first connecting rod 24 and the second connecting rod 25 is smaller than 180 degrees, as shown in fig. 15 and 16, when the inflation key 23 is pressed down, the first connecting rod 24 and the second connecting rod 25 are straightened to 180 degrees and push the first one-way valve push rod 26 to move towards the gas bomb 22, so that the mouth of the gas bomb 22 is in an open state, and the structure is simple. Since the inflation assembly 2 is disposed in the annular cavity 12, a key mark, such as "PUSH" is disposed on the surface of the annular cavity 12 corresponding to the inflation key 23, so that the user can press the inflation key 23 conveniently.

In this embodiment, as shown in fig. 17 and 18, a limiting block 221 is disposed in a mouth of the gas cylinder 22, a through hole 222 is disposed in the limiting block 221, the first check valve push rod 26 passes through the through hole 222, a middle portion of the first check valve push rod 26 is inserted into the through hole 222, one end of the first check valve push rod 26 extending into the gas cylinder 22 is a sealing portion 262, one end of the first check valve push rod 26 extending out of the gas cylinder 22 is the pushing portion 261, the sealing portion 262 is provided with a sealing ring 28, an outer diameter of the sealing ring 28 is larger than an aperture of the through hole 222, the pushing portion 261 is provided with a first snap spring 29, the first spring 27 is sleeved between the limiting block 221 and the first snap spring 29, further, the pushing portion 261 is provided with a first snap spring groove 263, the first snap spring 29 is provided with a first notch 291, the first clamp spring 29 is clamped in the first clamp spring groove 263 through the first notch 291. The first clamp spring 29 enables the sealing ring 28 to be tightly attached to the inner wall of the gas storage bottle 22 to achieve a sealing effect, and gas in the gas storage bottle 22 is prevented from leaking.

In this embodiment, the sealing portion 262 is sequentially provided with a first outer protrusion 264 and a second outer protrusion 265 toward the inside of the bottle, a sealing groove 266 for accommodating the sealing ring 28 is formed between the first outer protrusion 264 and the second outer protrusion 265, and the sealing ring 28 is sleeved in the sealing groove 266, so that the installation is convenient. In order to adapt to the shape of the bottle mouth, the outer diameter of the first external protrusion 264 is larger than the hole diameter of the through hole 222, and the outer diameter of the first external protrusion 264 is larger than the outer diameter of the second external protrusion 265.

In this embodiment, the first connecting rod 24 is provided with the third breach 241 with the articulated one end of second connecting rod 25, the articulated one end of second connecting rod 25 and first connecting rod 24 be provided with the corresponding fourth breach 251 of third breach 241, adopt the mode that two breachs correspond the assembly each other, can effectively reduce the size of spare part, and then shorten the size of casing, save occupation space.

In this embodiment, as shown in fig. 1 to fig. 7, the air release valve 3 of the present invention includes an air release valve body 31, a second one-way valve push rod 32 and a movable plug 33, wherein the middle portion of the air release valve body 31 has a convex connecting portion 311, the connecting portion 311 is fixedly connected with the annular cavity 12, and further, the connecting portion 311 is fixedly connected with the annular cavity 12 by ultrasonic hot melting technology. One end of the air release valve body 31 is provided with an exposed part 312 exposed outside the annular cavity 12, and the other end of the air release valve body 31 is provided with an extending part 313 extending into the annular cavity 12. Be provided with the outside chamber 314 that bleeds of opening in the snuffle valve body 31, the upper end of the portion 312 that exposes be provided with the first activity consent 315 of the chamber 314 intercommunication that bleeds, the lower extreme of the portion 312 that exposes be provided with the chamber 314 intercommunication that bleeds and with the first activity consent 315 is with the second activity consent 316 of axle center, the lower extreme size of activity stopper 33 is greater than its upper end size the middle part of activity stopper 33 is formed with and promotes inclined plane 331, the aperture of second activity consent 316 is greater than the aperture of first activity consent 315, the maximum dimension of activity stopper 33 is less than the size of second activity consent 316 just is greater than the size of first activity consent 315. During assembly, the upper end of the movable plug 33 sequentially penetrates through the second movable plug hole 316, the air release cavity 314 and the first movable plug hole 315 from bottom to top, and then is connected with a pull ring 34, wherein the pull ring 34 is used for being connected with a lifting rope 4.

In this embodiment, as shown in fig. 4, the protruding portion 313 has an insertion hole 317 communicating with the air release chamber 314 and an air release hole 318 located outside the insertion hole 317 and communicating with the air release chamber 314, one end of the second one-way valve push rod 32 passes through the insertion hole 317 and then is inserted into the air release chamber 314 and abuts against the movable plug 33, the other end of the second one-way valve push rod 32 has a sealing portion 321 capable of covering the air release hole 318, and in order to further improve the sealing performance of the air release valve 3, a sealing sheet 37 is disposed inside the sealing portion 321, and the sealing sheet 37 clings to the outside of the air release hole 318 when the air release valve 3 is in the closed state. When the pulling during the activity stopper 33 upward movement promote inclined plane 331 and promote second check valve push rod 32 moves towards deviating from thereby making it loses heart to lose heart hole 318 is in the open mode and loses heart, and the user only need after the disposal bag is filled with rubbish, mentions the rope and can draw the release valve and lose heart, simple structure, convenient and fast.

In this embodiment, a second snap spring 35 and a second spring 36 located in the air release chamber 314 are disposed on the second one-way valve push rod 32, a second snap spring groove 322 is disposed on the second one-way valve push rod 32, a second notch 351 is disposed on the second snap spring 35, and the second snap spring 35 is snapped in the second snap spring groove 322; after the assembly the one end of second spring 36 supports on the second jump ring 35, the other end supports the chamber bottom of air release chamber 314, the elasticity through second spring 36 makes sealing plate 37 hug closely always the outside of air release hole 318, and when lifting the rope carelessly the snuffle valve is opened, nevertheless puts down behind the lifting rope, and movable stopper 33 resets under the action of gravity, and second spring 36 drives simultaneously second check valve push rod 32 resets and gets into the closed condition. The one end that second check valve push rod 32 and activity stopper 33 contacted is the arcwall face, can prevent effectively that mechanical card from dying, also can reverse promotion activity stopper 33 through second spring 36 simultaneously and reset, design benefit.

Claims (5)

1. The utility model provides a relief valve of self-supporting disposal bag, its characterized in that it includes snuffle valve body (31), second check valve push rod (32) and activity stopper (33), the middle part evagination of snuffle valve body (31) is formed with connecting portion (311), makes the one end of snuffle valve body (31) forms and exposes portion (312), the other end of snuffle valve body (31) forms and stretches into portion (313), be provided with the opening in snuffle valve body (31) and be located the chamber (314) of disappointing of exposing portion (312), the upper end of exposing portion (312) be provided with first activity consent (315) that let air chamber (314) communicate, the lower extreme of exposing portion (312) be provided with the chamber (314) intercommunication of leaking and with the second activity consent (316) of the same axle center of first activity consent (315), the lower extreme size of activity stopper (33) is greater than its upper end size, a pushing inclined plane (331) is formed in the middle of the movable plug (33), the aperture of the second movable plug hole (316) is larger than that of the first movable plug hole (315), and the upper end of the movable plug (33) sequentially penetrates through the second movable plug hole (316), the air release cavity (314) and the first movable plug hole (315) from bottom to top and then is connected with a pull ring (34) during assembly; the stretching-in part (313) is provided with an insertion hole (317) communicated with the air release cavity (314) and an air release hole (318) positioned outside the insertion hole (317) and communicated with the air release cavity (314), one end of the second one-way valve push rod (32) penetrates through the insertion hole (317) and then is inserted into the air release cavity (314) and abuts against the movable plug (33), the other end of the second one-way valve push rod (32) is provided with a sealing part (321) capable of covering the air release hole (318), and when the movable plug (33) is pulled to move upwards, the push inclined surface (331) pushes the second one-way valve push rod (32) to move towards the direction departing from the air release valve body (31) so that the air release hole (318) is in an opening state.

2. The pressure relief valve of the self-standing garbage bag according to claim 1, wherein a second snap spring (35) and a second spring (36) are arranged on the second one-way valve push rod (32) and located in the pressure relief cavity (314), a second snap spring groove (322) is arranged on the second one-way valve push rod (32), a second gap (351) is arranged on the second snap spring (35), and the second snap spring (35) is snapped in the second snap spring groove (322); after assembly, one end of the second spring (36) abuts against the second snap spring (35), and the other end abuts against the cavity bottom of the air release cavity (314).

3. A pressure relief valve for a self-standing refuse bag according to claim 2, characterized in that the sealing part (321) is provided with a sealing sheet (37) on the inside, said sealing sheet (37) abutting on the outside of said air release hole (318) when said air release valve is in the closed state.

4. A pressure relief valve for a self-standing waste bag according to claim 3, characterized in that the largest dimension of the movable plug (33) is smaller than the dimension of the second movable plug hole (316) and larger than the dimension of the first movable plug hole (315).

5. A pressure relief valve for a self-standing waste bag according to any of claims 1-4, characterized in that it further comprises a lifting cord (4), said lifting cord (4) being connected to said pull ring (34).

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