CN213836893U

CN213836893U - Flexible bag and drain valve

Info

Publication number: CN213836893U
Application number: CN202022854498.1U
Authority: CN
Inventors: 林火钻; 林邦福; 林龙成
Original assignee: Xiamen Enmu Intelligent Technology Co ltd
Current assignee: Xiamen Enmu Intelligent Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-30
Anticipated expiration: 2030-12-02

Abstract

The application provides a flexible bag and drain valve, wherein, the flexible bag includes installation department and shrink section. The contraction part is in a cylindrical bag shape and comprises a contraction wall, the cross section of the contraction part along the axial direction is in a wave shape, and the distance between the opposite surfaces of the two adjacent wave shapes is equal to or smaller than the wall thickness of the contraction wall. The utility model provides an interval between the expansion ring is little on the shrink wall of expansion bag, the shrink wall of same length, the utility model provides a technical scheme's expansion ring's a great deal, elastic deformation coefficient is low, and the compression is little or tensile required power value, can easily open the pars contractilis through very little power promptly, also can resume the pars contractilis through very little power compression, extensive applicability, it is many to be suitable for the scene.

Description

Flexible bag and drain valve

Technical Field

The utility model relates to a flexible bag and drain valve.

Background

The drain valve is including the button usually, carries and draws piece and case, during the drainage, presses the button, drives the delivery port drainage that the case opened the drain valve through carrying and drawing the piece, however, when because the case closes the delivery port, the water pressure power of water tank is used in on the case, consequently, during the drainage, need overcome case gravity and the pressure of water tank water effect on the case, consequently need great operating force to drive the valve core motion usually, lead to current start structure operation comparatively hard.

In order to solve the above problems, a starting structure in a water bag mode is available on the market, however, the existing water bag has high elastic coefficient and large force value required in compression or stretching, and the problem that the drain valve is not completely opened due to poor sealing or low pressure is easily caused, and further improvement is needed.

Disclosure of Invention

The utility model provides a solve above-mentioned technical problem, provide a flexible bag and drain valve.

In a first aspect, a bellows includes a mounting portion and a contraction portion.

Wherein, the installation department is cyclic annular, including the hole.

The contraction part is in a cylindrical bag shape and comprises an opening at the top, an inner cavity, a bag bottom at the bottom and a contraction wall at the periphery. The cross section of the contraction part along the axial direction is that the contraction wall is wavy, and the distance between the opposite surfaces of two adjacent waves is equal to or smaller than the wall thickness of the contraction wall.

The constriction portion passes through the opening connection is installed the bottom of installation department, just the opening covers the hole. The diameter of the mounting portion is greater than the diameter of the constricted portion.

The utility model provides an interval between the expansion ring is little on the shrink wall of expansion bag, and its interval approaches to or is less than the wall thickness of shrink wall, leads to the shrink wall of same height, the utility model provides a technical scheme's expansion ring is in a large number, and elastic deformation coefficient is low, and the compression is perhaps tensile required power value is little, can easily open the pars contractilis promptly through very little power, also can resume the pars contractilis through very little power compression.

Preferably, the middle part of the outward side of the bag bottom is provided with a connecting convex point for connecting external parts.

Preferably, the cross section of the connecting salient point along the axial direction is in an arrow shape, and the connecting salient point has a buckling function.

Preferably, the cross section of the contraction wall is formed by connecting U-shaped expansion rings.

Preferably, the U-shaped telescopic rings are connected through a round chamfer.

Preferably, the cross section of the contraction wall is formed by connecting V-shaped expansion rings.

Preferably, the V-shaped telescopic rings are connected through V-shaped chamfers.

In a second aspect, a drain valve is installed on a water outlet of a water outlet component to realize the closing and opening of the water outlet, and comprises a shell, a lever, a water sealing cover and the telescopic bag provided by the first aspect.

The shell comprises a water inlet, a telescopic bag mounting groove, a lever mounting position and a water sealing cover mounting position.

The expansion bag is installed in the expansion bag mounting groove, and the opening orientation the water inlet, when water inlet butt joint water source or air supply, water or gas fill the expansion bag, lead to the expansion bag tensile.

The lever is hinged to be installed on the lever installation position, and one end stretches into the bellows mounting groove is arranged at the bottom of the bellows, and the lever can be abutted to lead to the rotation of the lever through stretching the bellows.

The water sealing cover is slidably mounted in the water sealing cover mounting position, the top of the water sealing cover is connected with the other end of the lever, and when the lever rotates, the end pulls up the water sealing cover, so that the water sealing cover which originally seals the water outlet of the water outlet component rises, and the water outlet is opened.

Preferably, a piston is connected and installed at the bottom of the telescopic bag, and the outer diameter of the piston is equal to the inner diameter of the telescopic bag installation groove. The weight of one end of the lever close to the water sealing cover is larger than that of one end close to the telescopic bag, when the water sealing device is used, the telescopic bag retracts, and the lever presses the water sealing cover down under the action of gravity to seal the water outlet.

Preferably, the casing includes a base, and the drain valve passes through the base and installs on the delivery port of water outlet unit. And a water outlet of the base corresponding to the water outlet component is provided with a water outlet. The water sealing cover is slidably arranged in the water sealing cover mounting position and is far away from or blocks the water passing opening.

From the above description of the present invention, the present invention has the following advantages:

1. through set up the very little expansion ring of interval on the expansion bag, its interval approaches to or is less than the wall thickness of contraction wall, leads to the contraction wall of same length, the utility model provides a technical scheme's expansion ring's a large amount, and elastic deformation coefficient is low, and the required power value of compression or tensile is little, can easily open the pars contractilis through very little power promptly, also can resume the pars contractilis through very little power compression, can lean on dead weight compression and tightly basically.

2. When the telescopic bag is applied to the drain valve, the drain valve can be opened in a lever mode, and can also be directly jacked open, so that the applicability is realized;

3. the application scene is wide, can become flexible water pocket, also can become flexible gasbag.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Wherein:

FIG. 1 is an isometric view of a bellows;

FIG. 2 is a front view of a bellows;

FIG. 3 is a top view of a bellows;

FIG. 4 is a cross-sectional view of a bellows;

fig. 5 is a sectional view of a drain valve (water shut-off state);

fig. 6 is a sectional view (water discharge state) of a water discharge valve.

The designations in fig. 1 to 6 are respectively: the water drain valve comprises a telescopic bag 1, an installation part 11, a contraction part 12, a telescopic ring 121, a connecting convex point 122, a water drain valve 2, a shell 21, a base 211, a water inlet 212, a lever 22, a water sealing cover 23 and a piston 24.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The first embodiment is as follows:

referring to fig. 1 to 4, a bellows 1 includes a mounting portion 11 and a contraction portion 12.

Wherein, the installation part 11 is annular and comprises an inner hole.

The constriction 12 is in the form of a cylindrical bladder, comprising an opening at the top, an internal cavity, a bladder bottom at the bottom and a constriction wall at the periphery.

The cross section of the contraction part 12 along the axial direction is that the contraction wall is wavy, and the distance between the opposite surfaces of two adjacent waves approaches the wall thickness of the contraction wall. In this embodiment, the cross section of the contraction wall is formed by connecting U-shaped expansion rings 121, and the U-shaped expansion rings 121 are connected by a round chamfer. Of course, in other embodiments, the cross-sectional shape of the converging wall may be other shapes, such as a V-shape.

The constriction 12 passes through the opening connection is installed the bottom of installation department 11, just the opening covers the hole. The diameter of the mounting portion 11 is larger than the diameter of the constricted portion 12.

The bag bottom is equipped with connection bump 122 in one side middle part outwards for connect external part, connection bump 122 is the arrow point form along axial direction's cross section, has the effect of buckle.

The utility model provides an interval between the expansion ring 121 is little on the shrink wall of expansion bag 1, and its interval approaches to or is less than the wall thickness of shrink wall, leads to the shrink wall of same height, the utility model provides a technical scheme's expansion ring 121's a great deal, and elastic deformation coefficient is low, and the compression is perhaps tensile required power value is little, can easily open the pars contractilis through very little power promptly, also can resume the pars contractilis through very little power compression.

Example two:

referring to fig. 1 to 6, a drainage valve 2 is installed on a water outlet of a water outlet component to close and open the water outlet, and includes a housing 21, a lever 22, a water sealing cover 23, and the first aspect of the present invention provides the above-mentioned bellows 1.

The shell 21 comprises a base 211, a water inlet 212, a bellows mounting groove, a lever mounting position and a water sealing cover 23 mounting position.

The drain valve 2 is arranged on the water outlet of the water outlet component through the base 211. The base 211 is provided with a water outlet corresponding to the water outlet component.

The bellows 1 is installed in the bellows mounting groove, and the opening is towards the water inlet 212, and when the water inlet 212 docked water source or air supply, water or gas filled the bellows 1, results in the bellows 1 to stretch. In this embodiment, a piston 24 is connected to the bottom of the bellows 1, and the outer diameter of the piston 24 is equal to the inner diameter of the bellows mounting groove.

The lever 22 is articulated to be installed on the lever installation position, and one end stretches into the bellows mounting groove sets up the bottom of bellows 1 through tensile bellows 1, can support lever 22, leads to lever 22 to rotate.

The water sealing cover 23 is slidably mounted in the mounting position of the water sealing cover 23, the top of the water sealing cover 23 is connected with the other end of the lever 22, and when the lever 22 rotates, the end pulls up the water sealing cover 23, so that the water sealing cover 23 which originally seals the water outlet of the water outlet component rises to open the water outlet. In this embodiment, the weight of the end of the lever 22 close to the water sealing cover 23 is greater than that of the end close to the collapsible bag 1, when the collapsible bag is used, the collapsible bag 1 retracts, and the lever 22 and the water sealing cover 23 are pressed down under the action of gravity to seal the water outlet, so as to seal the water outlet, please refer to fig. 5 and 6, which are water sealing and draining state diagrams, respectively.

In this embodiment, the power source of the bellows 1 is water, but in other embodiments, the power source of the bellows 1 may be gas.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

1. A kind of expansion bag, characterized by, including mounting region and shrink section;

the mounting part is annular and comprises an inner hole;

the contraction part is in a cylindrical bag shape and comprises an opening at the top, an inner cavity, a bag bottom at the bottom and a contraction wall at the periphery; the cross section of the contraction part along the axial direction is provided with wave-shaped contraction walls, and the distance between the opposite surfaces of two adjacent wave-shaped contraction walls is equal to or less than the wall thickness of the contraction walls;

the contraction part is connected and installed at the bottom of the installation part through the opening, and the opening covers the inner hole; the diameter of the mounting portion is greater than the diameter of the constricted portion.

2. The telescopic bag according to claim 1, wherein a connecting bump is provided in the middle of the outward side of the bag bottom.

3. A bellows according to claim 2, wherein the connecting projection has an arrow-like cross section in the axial direction.

4. A telescopic capsule according to claim 1, characterized in that said converging wall is connected in cross-section by U-shaped telescopic loops.

5. A bellows according to claim 4, wherein the U-shaped rings are connected by a rounded chamfer.

6. A bellows according to claim 1, wherein the cross-section of the shrink walls is formed by joining together of V-shaped shrink rings.

7. A bellows according to claim 6, wherein the V-shaped rings are connected by a V-shaped chamfer.

8. A drain valve mounted on the outlet of the outlet member, comprising a housing, a lever, a water-sealing cover and a bellows as claimed in any one of claims 1 to 7; the shell comprises a water inlet, a telescopic bag mounting groove, a lever mounting position and a water sealing cover mounting position; the telescopic bag is arranged in the telescopic bag mounting groove, and the opening of the telescopic bag faces the water inlet; the lever is hinged to the lever mounting position, and one end of the lever extends into the telescopic bag mounting groove and is arranged at the bottom of the telescopic bag; the water sealing cover is slidably mounted in the water sealing cover mounting position, and the top of the water sealing cover is connected with the other end of the lever.

9. The drain valve according to claim 8, wherein a piston is connected and mounted at the bottom of the bellows, and the outer diameter of the piston is equal to the inner diameter of the mounting groove of the bellows; the weight of a section of the lever close to the water sealing cover is larger than that of a section close to the telescopic bag.

10. The drain valve according to claim 8, wherein the housing comprises a base through which the drain valve is mounted on the outlet of the outlet member; the base is provided with a water outlet corresponding to the water outlet part; the water sealing cover is slidably arranged in the water sealing cover mounting position and is far away from or blocks the water passing opening.