WO2002011822A1

WO2002011822A1 - Medicine ball

Info

Publication number: WO2002011822A1
Application number: PCT/CN2000/000639
Authority: WO
Inventors: Sungyeng Chen
Original assignee: Sungyeng Chen
Priority date: 2000-07-21
Filing date: 2000-12-18
Publication date: 2002-02-14
Also published as: CN2429207Y; AU2001219899A1

Abstract

A medicine ball includes a inner layer skin and a outer layer skin which form a body made of vulcanized rubber, air-charge valve and water-charge valve. In the ball body, there is predetermined weight of water. The outer layer skin has a rough surface which is easy to hold by player's hand. The water-charge valve is formed on the body to charge water into inside body. The water-charge valve has a head, a seat and a seal ring. When the valve is assembled, the flange of its head extrudes the seal ring to keep the seal between the seat and the inner layer skin and the outer layer skin.

Description

Water health medicine ball

Technical field

The invention relates to an inflatable hollow ball, in particular to a water-fillable health medicine ball, which can be used as a weight training ball and also suitable for people's physical exercise.

technical background

At present, most general ball games are designed to adapt to sports exercises and competitions. They have relatively few functions and cannot be used as physical training equipment. To solve this problem, metal cymbals and barbells are usually used. When these equipments are not used carefully, they will Injury the person, not to mention physical exercises for the disabled, the elderly or children;

Chinese patent ZL98223808.8 proposes a health medicine ball. Its structure is characterized by a rubber ball formed by vulcanization of the inner and outer two layers of skin. The health medicine ball is made of rubber and has a specified weight. It can be used as a weight training ball for ball sports. It has a large adaptability range and good training effect. It is soft and has a set weight. X-inch disabled people, the elderly, children have The effect of physical fitness, safe use, and a certain amount of fun, is a good guarantee, but this health medicine ball still has the following problems. Questions:

1. In order to meet various needs, the diameter of the healthy medicine ball is set with different grades, and a series of weight grades with different skin thicknesses in the same diameter are set. Due to the many specifications, the production cost is high;

2. Due to the large number of specifications, the user's purchase cost also increases, and it brings a lot of inconvenience to the use and storage of the ball;

3. Due to the large number of specifications, under the condition that the total demand is constant, it is difficult to form large-scale production of healthy medicine balls of each specification, and therefore it is difficult to reduce their production costs; 4. The different weight grades of health medicine balls are essentially defined by the weight of the rubber material of the ball, and rubber is a relatively expensive material. Therefore, the prices of some large weight grade balls also increase. At the same time, valuable rubber materials will be consumed too much;

5. Due to the large number of specifications and the small adaptation range of each type, it cannot adapt to the popularization of such health products.

Disclosure of inventions.

The object of the present invention is to solve the above-mentioned disadvantages. The technical solution is: a water health medicine ball is composed of a ball skin and an inflatable mouth, and has a predetermined weight, which is composed of two inner and outer layers of rubber that are integrally formed by vulcanization of rubber. The hard outer ball skin surface structure is a rough surface that is convenient for the user to hold. The feature is that the ball is provided with a water injection valve that can inject water into the inner cavity of the ball and has a good seal.

The water injection valve includes a plug, a valve seat and a sealing ring. The valve seat is provided with a flange on the side of the inner cavity of the ball. A sealing ring is sleeved on the outer cylindrical surface of the valve seat. On the inner surface of the leather, the valve seat and the inner and outer ball skins are fixed into a whole, and the plug head and the valve seat are sealedly connected by threads.

After inserting an air needle into the inflatable mouth to deflate, unscrew the plug, you can inject a certain amount of water into the inner cavity of the ball through the valve seat bore, and then tighten the plug to form a healthy medicine ball with water. The same ball can Different amounts of water are injected to form a set of weight classes.

The invention is provided with a water injection valve, which replaces the ball skin weight of the traditional structure with the weight of water, which can greatly reduce different ball skin specifications, thereby reducing molds, tooling equipment and production processes, and reducing its production cost; different modes can be obtained by water injection. The required specifications, as long as users purchase a water health medicine ball, they can meet the needs of a variety of activities, not only can reduce the purchase It can be used as long as the weight of the water is changed during use. There is no need to replace different spheres, which is extremely convenient to use. At the same time, the number of spheres can be greatly reduced, which is also convenient for storage. However, the reduction can meet the market's total demand, so that its structure can form large-scale production, and its production cost can be further reduced with the large increase in output, which can not only enable producers to obtain higher profits, but also The utility model enables consumers to obtain cheap water health medicine balls. The utility model obtains water health medicines by injecting water, that is, to obtain various weight grades by replacing the weight of rubber with the weight of water, which not only saves valuable rubber resources, but also saves use. This kind of saving and saving effect is more obvious than the traditional large-size health medicine ball. The utility model uses water injection to form different specifications series, which is convenient to use and reasonable in price, making it truly a popular health equipment. Facilitate popularization and promotion, and contribute to the health of more people.

Brief description of the drawings

The specific structure of the utility model is given by the following embodiments and the accompanying drawings.

FIG. 1 is a schematic partial cross-sectional view of a water health medicine ball according to the present invention.

FIG. 2 is a partially enlarged schematic view of the water injection valve in FIG. 1.

FIG. 3 is a schematic structural diagram of the plug in FIG. 1.

FIG. 4 is a top view of FIG. 3.

FIG. 5 is a schematic structural diagram of the valve seat in FIG. 1.

The best way to implement the invention

Referring to FIGS. 1 and 2, the water health medicine ball includes a sphere body 1 composed of inner and outer skin layers 11 and 12, an inflation nozzle 13 and a water injection valve 14, wherein:

Sphere 1 is an inner and outer two-layer ball made of rubber and vulcanized integrally with a specified weight. The skin 11 and 12 are made of soft material, which is elastic and easy to inflate when inflated. The outer skin 12 with a hard material has a rough surface that is easy for the user to hold. Layer balls can be made into a combination of multiple colors or patterns to meet different needs.

The inflatable nozzle 13 is integrally formed with the sphere 1. The inflatable nozzle 13 is composed of a protrusion 131 and a through hole 132 protruding from the inner layer of the skin 11. The protrusion 131 protrudes from the inner side of the inner layer of the skin 11 and is soft. It is flexible, and the through-hole 132 penetrates the inner and outer ball skins 11, 12 and the protrusion 131. When inflated, the gas needle of the inflatable cylinder extends from the through-hole 132 into the sphere 1 to inflate. After the inflation is completed, the gas needle is pulled out. The pressure air in the inner cavity 15 of the sphere 1 causes the protrusion 131 of the inflation nozzle 13 to press-fit and seal the through-hole 132 at the end of the inner cavity 15.

The water injection valve 14 includes a plug 141, a valve seat 142, and a sealing ring 143. Among them: 'The plug 141 (as shown in Figs. 2, 3, and 4) is made of non-corrosive materials, such as stainless steel, copper, aluminum alloy or Made of other similar materials, the plug 141 is composed of a top 1410 and a threaded segment 1412. The external thread of the threaded segment 1412 may be a fine thread or a pipe thread, so as to maintain good sealing after the thread is assembled. The top of the plug 141 is 1410. A groove 141 is provided for locking and inserting the tool extension. The groove 1411 can be a letter, a cross, a square or a hexagon. After the plug 141 is assembled on the valve seat 142, the end surface of the top 1410 should be slightly lower than the outer layer of the ball 1. The outer surface of the ball skin 12 may be flush to prevent injury to people;

The valve seat 142 (as shown in Figures 2 and 5) is made of non-corrosive materials, such as stainless steel, copper, aluminum alloy or other similar materials. The valve seat 142 is hollow and cylindrical, and has a flange 1420 at one end. The inner hole 1423 is provided with an internal thread 1422 which is matched with the external thread of the thread section 1412 of the plug 141. The sealing ring 143 (shown in FIG. 2) is made of soft rubber, and its inner circle can just fit on the valve seat, the outer cylindrical surface 1421 of 142;

After the sealing ring 143 is sleeved on the outer cylindrical surface 1421 of the valve seat 142, the outer cylindrical surface 1421 penetrates into the prefabricated through hole of the inner and outer spheres of the sphere 1 and is placed on the flange of the inner cavity 15- 1420 squeezes the seal ring 143 to make the seal ring 143 closely fit the inner surface of the inner ball 11 to maintain a good seal between the valve seat 142 and the inner and outer ball 11 and 12, the valve seat 142 The outer cylindrical surface 1421 and the inner and outer ball skins 11 and 12 can be tightly assembled, bonded and fixed or vulcanized into one body after assembly. The valve seat 142 fixed on the ball 1 is screwed on the plug 141 to form a water injection valve. 14. The distance between the center of the water injection valve 14 and the center of the aeration nozzle 13 on the outer surface of the sphere 1 is 1/4 to 3/4 of the outer diameter of the sphere, so as to facilitate the smooth discharge of air from the aeration nozzle 13 during water injection to facilitate water injection.

When in use, first insert a separate gas needle into the through hole 132 of the inflation nozzle 13 so that the inner cavity 15 of the sphere 1 communicates with the atmosphere and unplug the plug 141. At this time, the inner hole 1423 of the valve seat 142 of the water injection valve 14 Open it, and then pre-prepared quantitative water (according to the weight level of the water health medicine ball required, store the corresponding set water weight in a container by means of a measuring cup or weighing), and pass the water through a funnel, pan, or similar device. Injected into the inner cavity 15 of the sphere 1, during the water injection process, due to the continuous deflation of the air needle, the water injection operation is extremely smooth. After the water injection is completed, the screw plug 141 can be used to seal the quantitative water in the inner cavity 15, and then, The inflatable cylinder is connected to the air needle, and the inner cavity 15 is inflated. The inflated water health medicine ball not only reaches the set weight level, but also maintains its roundness and good elasticity. In order to maintain the watertightness and airtightness of the inner cavity 15 more accurately, a soft washer may be sleeved at the joint between the bottom surface of the top end 1410 of the plug 141 and the top annular surface of the valve seat 142 to further strengthen the sealing of the threaded connection Sex. Water health medicine ball not only maintains all the functions of traditional health medicine balls, but also is cheap and easy to use. It is a new generation of more perfect health products.

Industrial applicability

From the above, it can be known that the water health medicine ball of the present invention constitutes different series of specifications with water injection, which is not only suitable for people to use for weight training or physical exercise, but also more convenient to use, which makes it surely become a popular health equipment and is popularized. Promote and contribute to the health of more people.

Claims

Rights request

1. A water health medicine ball, consisting of a ball skin and an inflatable mouth, with a prescribed weight, composed of rubber and vulcanized inner and outer two layers of ball skin to form a sphere. The outer surface of the harder material has a hard surface structure for convenience. Rough surface held by the user,

It is characterized in that: a ball (1) is provided with a water injection valve (14) for filling the ball inner cavity (15) with good sealing.

2. The water health medicine ball according to claim 1,

It is characterized by the outer diameter of the sphere (1) with a distance of 1/4 to 3/4 on the outer surface of the sphere (1) between the center of the water injection wide (14) and the center of the inflatable nozzle (13).

3. The water health medicine ball according to claim 1,

It is characterized in that the injection nozzle (14) includes a plug (141), a valve seat (142) and a sealing ring (143), and the valve seat (142) is provided with a flange (1420) on the side of the inner cavity (15) of the ball. A sealing ring (143) is sleeved on the outer cylindrical surface (1421) of the seat (142), and the sealing ring (143) is pressed by the flange (1420) to fit the inner surface of the inner ball (11), and the valve seat ( 142) and the inner and outer ball skins (11, 12) are fixed into one body, and the plug head (141) and the valve seat (142) are sealedly connected by threads.

4. The water health medicine ball according to claim 1 or 3,

It is characterized in that the top surface (1410) of the plug (141) after assembly is slightly lower than the outer surface or flush of the outer ball skin (12).

5. The water health medicine ball according to claim 3,

It is characterized in that the external thread of the threaded section (1412) of the plug head (141) and the internal thread (1422) of the valve seat (142) can be fine-threaded threads or pipe threads with good sealing properties.

6. The water health medicine ball according to claim 3,

It is characterized in that the plug head (141) and the valve seat (142) can be made of a material that is not easily corroded.

7. The water health medicine ball according to claim 3,

It is characterized in that a flat, cross, square or hexagonal groove (1411) can be provided on the end surface 1410 of the plug (141) to facilitate the screwing operation of the plug (141).