CN216009666U

CN216009666U - Air valve for bathtub

Info

Publication number: CN216009666U
Application number: CN202122384688.6U
Authority: CN
Inventors: 刘学文; 赵怀彬
Original assignee: Guangzhou Tenglong Health Industry Co ltd
Current assignee: Guangzhou Tenglong Health Industry Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-11
Anticipated expiration: 2031-09-29

Abstract

The utility model provides a bathtub air valve, which comprises a cylindrical main body, a pressure rod arranged at the inner side of the cylindrical main body, a rotary rod arranged at the inner side of the cylindrical main body and connected with the pressure rod through threads, and a handle fixedly connected with the rotary rod; the one end of cylindric main part is equipped with the sealing member that is used for one-way admitting air, and the other end is equipped with and is used for the restriction the fastener of swing arm, be equipped with first opening on the cylindric main part lateral wall, the depression bar with the swing arm along cylindric main part axle sets up to the inboard, the handle drives the swing arm rotates, the swing arm drive the depression bar, in order to realize the rotation the handle decision whether first opening by the depression bar seals. The utility model is characterized in that the lock cover is cancelled, the height of the valve body after installation is close to that of the inner wall of the bathtub, and the valve body is convenient to twist.

Description

Air valve for bathtub

Technical Field

The utility model relates to a bathtub equipment field, concretely relates to bathtub non return air valve.

Background

With the increasing demands of users on the quality of life, bathtubs are becoming popular with the public, and check valves are often provided in the air intake system of bathtubs to prevent the backflow of water. The check valve refers to a valve in which an opening and closing member is automatically opened or closed by the force of medium flow to prevent the medium from flowing backwards, and is called a check valve. The check valve belongs to the automatic valve class, is mainly used on a pipeline for unidirectional medium flow, and only allows the medium to flow in one direction so as to prevent the medium from flowing in from an inlet end and flowing out from an outlet end when a fault occurs.

The prior art with the patent number CN201620971719.4 discloses a novel piston type filter vat with a check valve structure, wherein the check valve is commonly used as a bottom valve of an air suction system, and can prevent the backflow of water. The check air valve on the existing market is installed behind the bathtub, the protruding cylinder surface of the lock cover is very high, the use is hindered, the appearance is attractive, meanwhile, a handle for twisting can not be designed, and the valve body is not convenient to twist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bathtub air valve, its characteristics are cancelled the locking closure, and the valve body installation back is close with bathtub inner wall height, and the valve body is also convenient for twist reverse.

The technical scheme is as follows:

a bathtub air valve comprises a cylindrical main body, a pressure rod arranged at the inner side of the cylindrical main body, a rotary rod arranged at the inner side of the cylindrical main body and in threaded connection with the pressure rod, and a handle fixedly connected with the rotary rod; the one end of cylindric main part is equipped with the sealing member that is used for one-way admitting air, and the other end is equipped with and is used for the restriction the fastener of swing arm, be equipped with first opening on the cylindric main part lateral wall, the depression bar with the swing arm along cylindric main part axle sets up to the inboard, the handle drives the swing arm rotates, the swing arm drive the depression bar, in order to realize the rotation the handle decision whether first opening by the depression bar seals.

Furthermore, the outer side wall of the rotary rod is provided with double threads, the inner side wall of the pressing rod is provided with single threads, the rotary rod is arranged on the inner side of the pressing rod, and the double threads are meshed with the single threads.

Furthermore, the outer side wall of the pressure rod is provided with a rotation stopping boss, a rotation stopping groove is formed in the inner wall of the cylindrical main body in the axial direction, and the rotation stopping boss is arranged in the rotation stopping groove to realize that the pressure rod slides along the axial direction of the cylindrical main body without rotating.

Further, be equipped with the location muscle on the cylindric main part inside wall, the swing arm upper surface is equipped with opens the boss and closes the boss, the swing arm rotates, open the boss or close the boss with the location muscle offsets, it is right to realize the rotation of swing arm is spacing.

Furthermore, the end face of the cylindrical main body is provided with a mark part, and the mark part and the positioning rib are correspondingly arranged.

Furthermore, a bottom cover is detachably connected to the pressure lever.

Furthermore, a first O-shaped ring for sealing is sleeved on the bottom cover.

Further, the fastener is a shaft clamp.

Furthermore, a groove is formed in the outer side of the end portion of the rotating rod, and a second O-shaped ring for sealing is arranged in the groove.

Furthermore, an annular sealing gasket and a locking nut are further sleeved on the cylindrical main body.

The utility model provides a beneficial effect is: the pressing rod and the rotary rod are arranged in the cylindrical main body, the handle is fixedly connected with the rotary rod, the rotary rod can rotate and does not move in the cylindrical main body, and the pressing rod can move. Install the non return air valve on the air intake system of bathtub, when needing to admit air, twist grip drives the swing arm, makes the meshing degree of swing arm and depression bar deepen to expose first opening, then in the first opening of air accessible gets into the cylindric main part, reachs air intake system through the sealing member again, when needing to close gas, twist grip makes the swing arm reduce the meshing with the depression bar, then the first opening of depression bar meeting shutoff, cuts off the contact of air intake system and the outer air of valve. In addition, when water in the air suction system flows backwards, the sealing element blocks water flow, and the non-return function is realized. The utility model discloses cancelled the locking closure, highly similar with the bathtub inner wall after the valve body installation, the valve body is also convenient for twist reverse.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles, principles and effects of the invention.

Unless otherwise specified or defined, the same reference numerals in different figures refer to the same or similar features, and different reference numerals may be used for the same or similar features.

FIG. 1 is an exploded view of the valve body of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a sectional view taken along the line a-a of fig. 2 according to the present invention;

fig. 4 is a top view of the cylindrical body of the present invention;

FIG. 5 is an external view of the rotary rod of the present invention;

fig. 6 is an external view of the pressure bar of the present invention.

Description of reference numerals:

101. a handle; 102. shaft clamping; 103. a second O-ring; 104. a bottom cover; 105. a first O-ring; 106. an umbrella-shaped water sealing sheet; 107. an annular seal gasket; 108. locking a nut; 20. rotating the rod; 201. double threads; 202. opening the boss; 203. closing the boss; 204. a groove; 30. a pressure lever; 301. single thread; 302. a rotation stopping boss; 303. buckling; 40. a cylindrical body; 401. a rotation stopping groove; 402. positioning ribs; 403. opening an arrow; 405. a first opening.

Detailed Description

In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

Unless specifically stated or otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In combination with the present technical solution's realistic scene, all technical and scientific terms used herein may also have meanings corresponding to the purpose of realizing the technical solution of the present invention.

As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.

As used herein, unless otherwise specified or defined, the terms "comprises," "comprising," and "comprising" are used interchangeably to refer to the term "comprising," and are used interchangeably herein.

It is needless to say that technical contents or technical features which are contrary to the object of the present invention or clearly contradict each other should be excluded.

As shown in fig. 1 to 6, a bathtub air valve includes a cylindrical body 40, a pressing rod 30 disposed inside the cylindrical body 40, a rotating rod 20 disposed inside the cylindrical body 40 and screwed with the pressing rod 30, and a handle 101 fixedly connected with the rotating rod 20; one end of the cylindrical main body 40 is provided with a sealing element for unidirectional air inlet, the other end of the cylindrical main body is provided with a fastener for limiting the rotating rod 20, the side wall of the cylindrical main body 40 is provided with a first opening 405, the pressure rod 30 and the rotating rod 20 are arranged along the axial inner side of the cylindrical main body 40, the handle 101 drives the rotating rod 20 to rotate, the rotating rod 20 drives the pressure rod 30 to rotate, and the handle 101 determines whether the first opening 405 is closed by the pressure rod 30 or not.

The plunger 30 and the lever 20 are installed in the cylindrical body 40, the handle 101 is fixedly connected to the lever 20, the lever 20 is rotatable and immovable in the cylindrical body 40, and the plunger 30 is movable. Install the non return air valve on the air intake system of bathtub, when needing to admit air, twist grip 101 drives the swing arm 20, makes the meshing degree of swing arm 20 and depression bar 30 deepen to expose first opening 405, then the air accessible first opening 405 gets into in the cylindric main part 40, reachs the air intake system through the sealing member again, when needing to close air, twist grip 101 makes swing arm 20 and depression bar 30 reduce the meshing, then depression bar 30 can block first opening 405, cuts off the contact of air intake system and the outer air of valve. In addition, when water in the air suction system flows backwards, the sealing element blocks water flow, and the non-return function is realized. The utility model discloses cancelled the locking closure, highly similar with the bathtub inner wall after the valve body installation, the valve body is also convenient for twist reverse.

As shown in fig. 4, 5 and 6, the screw 20 is described in detail, a double thread 201 is disposed on an outer side wall of the screw 20, a single thread 301 is disposed on an inner side wall of the pressing rod 30, the screw 20 is disposed inside the pressing rod 30, and the double thread 201 is engaged with the single thread 301. The outer side wall of the pressure lever 30 is provided with a rotation stopping boss 302, the inner wall of the cylindrical main body 40 is provided with a rotation stopping groove 401 along the axial direction, and the rotation stopping boss 302 is arranged in the rotation stopping groove 401 so as to realize that the pressure lever 30 slides along the axial direction of the cylindrical main body 40 without rotating.

The rotation stopping boss 302 is limited by the rotation stopping groove 401, the pressing rod 30 cannot rotate, when air needs to be fed, when the rotating rod 20 is rotated, the double threads 201 and the single threads 301 are meshed with each other, the rotating rod 20 rotates, the pressing rod 30 slides along the rotation stopping groove 401, the meshing degree of the double threads 201 and the single threads 301 is deepened, and the exposure degree of the first opening 405 is increased; when air is required to be closed, the rotary rod 20 is rotated reversely, the pressing rod 30 slides downwards along the rotation stopping groove 401 to block the first opening 405, and the air closing function is realized.

Adopt the rotation angle that two screw 201 structures can increase the swing arm 20, adopt swing arm 20 external screw thread, the internal screw thread flip-chip structure of depression bar 30 (current valve body is swing arm 20 internal screw thread, depression bar 30 external screw thread, unable compression space), can design the pilot hole of handle 101 to the swing arm 20 in, reduced installation space.

As shown in fig. 4 and 5, the cylindrical main body 40 is described in detail, a positioning rib 402 is disposed on an inner sidewall of the cylindrical main body 40, an opening boss 202 and a closing boss 203 are disposed on an upper surface of the rotating rod 20, the rotating rod 20 rotates, and the opening boss 202 or the closing boss 203 abuts against the positioning rib 402, so as to limit the rotation of the rotating rod 20. The end surface of the cylindrical body 40 is provided with a mark part, and the mark part is arranged corresponding to the positioning rib 402.

The marking part is an opening arrow 403, when the rotary rod 20 and the press rod 30 are installed in the main body, the rotation stopping boss 302 on the press rod 30 is aligned with the rotation stopping groove 401 on the main body, the opening boss 202 on the rotary rod 20 is aligned with the opening arrow 403 on the main body, and the shaft clamp 102 is installed after being pressed in. When the rotary rod 20 is rotated, the pressing rod 30 moves up and down to perform the opening and closing functions. When the rotary rod 20 is rotated to the opening position or the closing position, the opening boss 202 or the closing boss 203 rigidly positions the rotary rod 20, so that the hand feeling of the rotary handle 101 is improved, and the valve body is not damaged due to misoperation. When the opening boss 202 on the rotary rod 20 is aligned with the positioning rib 402 on the main body, the state is opened; the closing projection 203 on the lever 20 is in a closed state when aligned with the positioning rib 402 on the main body.

As shown in fig. 1 and 6, the pressure rod 30 is connected to a bottom cover 104 through a fastening position 303, and a first O-ring 105 for sealing is sleeved on the bottom cover 104. The bottom cover 104 and the first O-ring 105 are configured to enhance the sealing effect of the plunger 30 to the first opening 405.

As shown in fig. 1 and 3, the fastening member is a shaft clamp 102, the sealing member is an umbrella-shaped water sealing sheet 106, and the shaft clamp 102 is a part which is arranged on a grooved shaft and used for fixing the hole of the part to move in the axial direction. When the first opening 405 is opened, the air suction system of the bathtub sucks the umbrella-shaped water sealing sheet 106 made of soft silica gel on the main body, so that air enters the valve body through the air inlet holes on the two sides of the main body and then enters the air suction system. When the air suction system is closed, the umbrella-shaped water sealing sheet 106 plays a role of non-return, prevents water in the air suction system from flowing backwards to overflow the valve body, is equivalent to a one-way valve and can only flow in and out, at this time, the first O-shaped ring 105 on the pressure rod 30 can press the air inlet end face of the valve body to cut off the connection between air outside the valve body and the air suction system.

As shown in fig. 4, a groove 204 is formed on the outer side of the end of the rotating rod 20, and a second O-ring 103 is arranged in the groove 204 for sealing. The second O-ring 103 improves the sealing of the device and prevents air or water from entering the top of the check air valve.

The above embodiments are intended to be illustrative, and should not be construed as limiting the scope of the invention, and the technical solutions, objects and effects of the present invention are described in full herein.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. A bathtub air valve is characterized by comprising a cylindrical main body, a pressure rod arranged at the inner side of the cylindrical main body, a rotary rod arranged at the inner side of the cylindrical main body and in threaded connection with the pressure rod, and a handle fixedly connected with the rotary rod;

the one end of cylindric main part is equipped with the sealing member that is used for one-way admitting air, and the other end is equipped with and is used for the restriction the fastener of swing arm, be equipped with first opening on the cylindric main part lateral wall, the depression bar with the swing arm along cylindric main part axle sets up to the inboard, the handle drives the swing arm rotates, the swing arm drive the depression bar, in order to realize the rotation the handle decision whether first opening by the depression bar seals.

2. The bathtub air valve of claim 1, wherein said screw is provided with a double thread on an outer side wall thereof, and said pressing rod is provided with a single thread on an inner side wall thereof, said screw being inserted into an inner side of said pressing rod, said double thread engaging with said single thread.

3. The bathtub air valve as defined in claim 2, wherein the outer side wall of the pressing rod is provided with a rotation stopping boss, the inner wall of the cylindrical body is provided with a rotation stopping groove along the axial direction, and the rotation stopping boss is inserted into the rotation stopping groove to realize the axial sliding of the pressing rod along the cylindrical body without rotating.

4. The bathtub air valve as defined in any one of claims 1 to 3, wherein a positioning rib is provided on an inner side wall of the cylindrical body, an opening boss and a closing boss are provided on an upper surface of the rotating lever, the rotating lever rotates, and the opening boss or the closing boss abuts against the positioning rib to limit the rotation of the rotating lever.

5. The bathtub air valve as defined in claim 4, wherein a marking portion is provided on an end surface of said cylindrical body, said marking portion being provided in correspondence with said positioning rib.

6. A bathtub air valve as defined in any of claims 1 to 3 in which a bottom cover is removably attached to said strut.

7. The bathtub air valve of claim 6, wherein a first O-ring for sealing is provided around the bottom cover.

8. A bathtub air valve as defined in any of claims 1-3 in which said fastener is a spindle catch.

9. A bathtub air valve as defined in any of claims 1-3 in which a recess is provided in the outside of the end of said lever, said recess having a second O-ring for sealing therein.

10. The bathtub air valve as defined in any one of claims 1 to 3, wherein an annular packing and a locking nut are further fitted to the cylindrical body.