CN105597290B - A kind of table tennis bat and its processing method with security performance - Google Patents

Abstract

The invention relates to a table tennis racket with safety performance, which comprises a first panel, a second panel, a handle and an anti-collision structure; the first panel and the second panel combine to form a closed space; the handle is arranged on the first panel and the second One side of the panel; the anti-collision structure is arranged in the closed space between the first panel and the second panel; the anti-collision structure includes an ignition cavity, a fire transmission cavity, a gas generation cavity and an air bag. The beneficial effect of the present invention is that: the present invention generates gas through the anti-collision structure, so that the present invention automatically changes into a balloon after the hand is released, and can effectively prevent personnel from being damaged by the racket from being released from the hand. The invention also discloses a processing method for the table tennis racket.

Description

A table tennis racket with safety performance and its processing method

technical field

The invention relates to a table tennis racket with safety performance and a processing method thereof.

Background technique

Existing utility model patent, its publication number is: CN 203017705U, this utility model announces a kind of bandage type anti-drop table tennis racket, it is made of racket bottom plate, handle hook, wrist strap, anti-off wrist ring, racket handle Composition, the handle hook is designed by adding a metal hook to the traditional racket handle; the wrist strap is a soft and strong strap that connects the racket handle and the anti-off wrist ring, one end is connected to the handle hook, and the other end is connected to the Wrist off loop; the anti-off wrist loop is made of soft and strong Velcro strap, which is moderately elastic around the wrist, so that it cannot fall off but does not affect the wrist movement.

Although the above-mentioned utility model patent can solve the technical problem that the table tennis racket falls off, the anti-off wrist ring makes the user feel uncomfortable, and the anti-off wrist ring easily hurts the wrist.

Contents of the invention

The technical problem to be solved by the present invention is to provide a table tennis racket with safety performance and its processing method, so as to solve the deficiencies in the prior art.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a table tennis racket with safety performance, which includes a first panel, a second panel, a handle and an anti-collision structure; the first panel is arranged above the second panel, and the first panel A closed space combined with the second panel; the handle is arranged on one side of the first panel and the second panel; the anti-collision structure is arranged in the closed space between the first panel and the second panel; the anti-collision structure includes an ignition cavity, The fire transmission cavity, the gas production cavity, and the air bag; the air bag is set in a hollow pie-shaped structure; the ignition cavity, the fire transmission cavity, and the gas production cavity are set in the middle of the air bag, the fire transmission cavity is set in a ring structure, and the ignition cavity is set in the fire transmission cavity The middle part is wrapped by the fire transmission chamber, the gas production chamber is set as a ring structure, the fire transmission chamber is set in the middle of the gas production chamber and is wrapped by the gas production chamber; a first exhaust There is a second exhaust port between the fire transmission chamber and the gas production chamber, and a third exhaust port between the gas production chamber and the air bag; an ignition tube and an ignition powder arranged around the ignition tube are provided in the ignition chamber , the fire transmission chamber is provided with fire transmission powder, and the gas production chamber is provided with gas production powder; it also includes a distance detection device, the distance detection device includes a first positioning sensor and a second positioning sensor, the first positioning sensor is worn in use On the body of the table tennis player, the second positioning sensor is arranged in the ignition cavity. When the distance between the first positioning sensor and the second positioning sensor exceeds 1.5 meters to 2 meters, the ignition tube is automatically activated, so that the table tennis racket automatically changes into a table tennis racket after it is released. balloon.

The beneficial effect of the present invention is that: the present invention generates gas through the anti-collision structure, so that the present invention automatically changes into a balloon after the hand is released, and can effectively prevent personnel from being damaged by the hand of the racket.

Further: the side of the first exhaust port close to the fire transmission chamber is provided with a first partition.

Further: a second partition is provided on the side of the second exhaust port close to the gas production chamber.

Further: the first exhaust port and the second exhaust port are set as counterbore.

Further: the diameter of the first exhaust port is smaller than the diameter of the second exhaust port and smaller than the diameter of the third exhaust port.

Further: a filter is also included; the filter is arranged in the gas production chamber and is arranged near the third exhaust port.

Further: It also includes an annular protrusion for clamping the filter.

Further: the particle diameter of the propagating powder is 2 to 4 times that of the gas-generating powder.

Further: the composition of the gas-generating medicine is 41% by mass of nitroguanidine, 38.45% by mass of ammonium nitrate, 9% by mass of potassium nitrate, 6.55% by mass of manganese dioxide, and 5% by mass of polyvinyl alcohol .

The present invention also discloses a processing method for the above-mentioned table tennis racket, which includes the following steps:

Step 1, process the ignition cavity, fire transmission cavity, and gas production cavity by casting, so that the ignition cavity, fire transmission cavity, and gas production cavity are integrally formed;

Step 2, respectively machining the first exhaust port, the second exhaust port and the third exhaust port along the radial direction;

Step 3, put the ignition tube into the ignition cavity through the first exhaust port, the second exhaust port, and the third exhaust port formed in step 2, then pour the ignition powder into the ignition cavity, and finally paste the first clapboard;

Step 4, through the second exhaust port and the third exhaust port formed in step 2, pour the fire transfer gunpowder into the fire transfer cavity, and then attach the second partition at last;

Step 5, pour the gas-generating medicine into the gas-generating chamber through the third exhaust port formed in step 2, and then finally inject it into the filter;

Step 6, finally encapsulating the structure completed in step 5 in the airbag;

Step 7, encapsulating the airbag completed in step 6 in the airtight space where the first panel and the second panel are merged, and finally fixing the handle.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a sectional view of the present invention;

Fig. 3 is a sectional view in the vertical direction of the anti-collision structure in the present invention;

Fig. 4 is a cross-sectional view in the horizontal direction of the anti-collision structure of the present invention.

Detailed ways

The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in Figure 1, Figure 2, Figure 3, and Figure 4, a table tennis racket with safety performance includes a first panel 1, a second panel 2, a handle 3 and an anti-collision structure 4; the first panel 1 is arranged on On the top of the second panel 2, the first panel 1 and the second panel 2 are combined into a closed space; the handle 3 is arranged on one side of the first panel 1 and the second panel 2; the anti-collision structure 4 is arranged on the first panel 1 and the second panel 2 In the closed space between the second panels 2; the anti-collision structure 4 includes an ignition cavity 41, a fire transmission cavity 42, a gas production cavity 43, and an air bag 44; the air bag 44 is set as a hollow cake-shaped structure; the ignition cavity 41, the fire transmission cavity 42. The gas generating chamber 43 is set in the middle of the airbag 44, the fire transmission chamber 42 is set in a ring structure, the ignition chamber 41 is set in the middle of the fire transmission cavity 42 and is wrapped by the fire transmission cavity 42, and the gas production cavity 43 is set in a ring structure , the fire transmission cavity 42 is arranged in the middle of the gas production cavity 43 and is wrapped by the gas production cavity 43; a first exhaust port 41.1 is arranged between the ignition cavity 41 and the fire transmission cavity 42, and the fire transmission cavity 42 and the gas production cavity 43 A second exhaust port 42.1 is provided between them, a third exhaust port 43.1 is provided between the gas-producing chamber 43 and the airbag 44; an ignition tube 41.3 and an ignition powder 41.2 arranged around the ignition tube 41.3 are arranged in the ignition chamber 41, Fire transmission chamber 42 is provided with fire transmission gunpowder 42.2, and gas production chamber 43 is provided with gas production powder 43.2. The diameter of the best ignition chamber 41: the diameter of the fire transmission chamber 42: the diameter of the gas production chamber 43: the diameter of the air bag 44=5.5:16.44:63.97:171.88, so that the structure of the present invention is simple and the gas production efficiency is high.

The present invention can adopt the mode of manual remote control to control ignition tube 41.3 to start automatically. In order to realize intelligent control, preferably also include a distance detection device, this distance detection device comprises a first positioning sensor and a second positioning sensor, the first positioning sensor is worn on the user, and the second positioning sensor is arranged in the ignition cavity 41, When the distance between the first positioning sensor and the second positioning sensor exceeds 1.5 meters to 2 meters, the ignition tube 41.3 starts automatically.

In order to facilitate processing, it is preferable that the diameter of the first exhaust port 41.1 is smaller than the diameter of the second exhaust port 42.1 and smaller than the diameter of the third exhaust port 43.1.

In order to isolate the medicine body in the ignition cavity 41, the fire transmission cavity 42, and the gas production cavity 43, it is best to be provided with a first partition near the first exhaust port 41.1 on the side of the fire transmission cavity 42; The side of the gas port 42.1 close to the gas generating chamber 43 is provided with a second partition. Further, in order to effectively improve the sticking effect of each partition (the first partition, the second partition), it is preferable to set the first exhaust port 41.1 and the second exhaust port 42.1 as counterbore, and the counterbore at this place is Composed of two holes, one large and one small, the first baffle is set in the big hole of the first exhaust port 41.1, the second baffle is set in the large hole of the second exhaust port 42.1, preferably the first row The diameter of the large hole of the gas port 41.1 is equal to the diameter of the small hole of the second exhaust port 42.1, which is convenient for processing the above-mentioned counterbore.

In order to reduce the pollution to the environment, it is preferable that the present invention further includes a filter 43.4; the filter 43.4 is arranged in the gas generating chamber 43 and is arranged near the third exhaust port 43.1. Preferably also includes an annular protrusion 43.3 for clamping the filter 43.4.

In order to increase the stability of the whole structure, it is preferable that the particle diameter of the propagating powder 42.2 is 2 times to 4 times that of the gas generating powder 43.2.

The gas-generating medicine 43.2 in the present invention is composed of 41% by mass of nitroguanidine, 38.45% by mass of ammonium nitrate, 9% by mass of potassium nitrate, 6.55% by mass of manganese dioxide, and 5% by mass of polyvinyl alcohol. %.

The present invention also discloses a processing method for the above-mentioned table tennis racket, which includes the following steps:

Step 1, the ignition cavity 41, the fire transmission cavity 42, and the gas production cavity 43 are processed by casting, so that the ignition cavity 41, the fire transmission cavity 42, and the gas production cavity 43 are integrally formed;

Step 2, respectively machining the first exhaust port 41.1, the second exhaust port 42.1, and the third exhaust port 43.1 in the radial direction;

Step 3, through the first exhaust port 41.1, the second exhaust port 42.1, and the third exhaust port 43.1 formed in step 2, put the ignition tube 41.3 into the ignition chamber 41, and then pour the ignition powder 41.2 into the ignition chamber 41 In the middle, attach the first partition at last;

Step 4, through the second exhaust port 42.1 and the third exhaust port 43.1 formed in step 2, pour the fire-transfer powder 42.2 into the fire-transfer chamber 42, and then attach the second partition at last;

Step 5, through the third exhaust port 43.1 formed in step 2, pour the gas-generating medicine 43.2 into the gas-generating chamber 43, and then finally inject the filter 43.4;

Step 6, finally encapsulating the structure completed in step 5 in the airbag 44;

In step 7, the airbag 44 completed in step 6 is packaged in the airtight space where the first panel 1 and the second panel 2 are combined, and finally the handle 3 is fixed.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. a kind of table tennis bat with security performance, it is characterised in that：Including first panel (1), second panel (2), handle (3) and anti-collision structure (4)；The first panel (1) is set to the top of the second panel (2), the first panel (1) with The second panel (2) is merged a confined space；The handle (3) is arranged in the first panel (1) and second panel (2) Side；The confined air that the anti-collision structure (4) is arranged between the first panel (1) and the second panel (2) Between in；

The anti-collision structure (4) includes igniting chamber (41), passes fiery chamber (42), aerogenesis chamber (43), air bag (44)；The air bag (44) It is set as hollow pie structure；The igniting chamber (41) passes fiery chamber (42), aerogenesis chamber (43) setting in the air bag (44) Portion, the fiery chamber (42) of the biography are set as loop configuration, and the igniting chamber (41) is arranged at the middle part for passing fiery chamber (42) and by institute It states the fiery chamber (42) of biography to wrap, the aerogenesis chamber (43) is set as loop configuration, and the fiery chamber (42) of the biography is arranged in the aerogenesis chamber (43) middle part is simultaneously wrapped by the aerogenesis chamber (43)；It is equipped with first between the igniting chamber (41) and the fiery chamber (42) of the biography Exhaust outlet (41.1) is equipped with second exhaust port (42.1), the aerogenesis between the fiery chamber (42) of the biography and the aerogenesis chamber (43) Third exhaust outlet (43.1) is equipped between chamber (43) and the air bag (44)；Ignitron (41.3) is equipped in the igniting chamber (41) With the ignition charge (41.2) being arranged around the ignitron (41.3), interior be equipped with of the fiery chamber (42) of the biography passes fiery gunpowder (42.2), gas generant composition in accordance (43.2) is equipped in the aerogenesis chamber (43)；Further include a distance detection device, the distance detection device Including the first alignment sensor and the second alignment sensor, the first alignment sensor is worn on user, and the second positioning passes Sensor setting is in igniting chamber (41), when the distance between the first alignment sensor and the second alignment sensor are more than 1.5 meters to 2 Meter Shi, ignitron (41.3) start automatically so that table tennis bat is changing into a balloon automatically after slipping out of the hand.

2. a kind of table tennis bat with security performance according to claim 1, it is characterised in that：The first row gas port (41.1) it is equipped with first partition close to the side for passing fiery chamber (42).

3. a kind of table tennis bat with security performance according to claim 2, it is characterised in that：The second exhaust port (42.1) it is equipped with second partition close to the side of the aerogenesis chamber (43).

4. a kind of table tennis bat with security performance according to claim 3, it is characterised in that：The first row gas port (41.1), second exhaust port (42.1) is set as counterbore.

5. a kind of table tennis bat with security performance according to claim 4, it is characterised in that：The first row gas port (41.1) diameter is less than diameter of the diameter less than the third exhaust outlet (43.1) of the second exhaust port (42.1).

6. a kind of table tennis bat with security performance according to claim 5, it is characterised in that：It further include filter (43.4)；Filter (43.4) setting is positioned close to the third exhaust outlet in the aerogenesis chamber (43) (43.1) at.

7. a kind of table tennis bat with security performance according to claim 6, it is characterised in that：Further include being used for clamping institute State the annular protrusion (43.3) of filter (43.4).

8. according to a kind of any one of claim 1 to 7 table tennis bat with security performance, it is characterised in that：The biography The particle diameter of gunpowder (42.2) is the particle diameter 2 of the gas generant composition in accordance (43.2) again to 4 times.

9. according to a kind of any one of claim 1 to 7 table tennis bat with security performance, it is characterised in that：The production Mass content 41%, the mass content of ammonium nitrate 38.45%, the quality of potassium nitrate that the group of gas medicine (43.2) becomes nitroguanidine contain Amount 9%, the mass content 6.55% of manganese dioxide, the mass content of polyvinyl alcohol 5%.

10. a kind of processing method for table tennis bat as claimed in claim 9, which is characterized in that include the following steps：

Step 1, the igniting chamber (41) is processed by the way of casting, passes fiery chamber (42), aerogenesis chamber (43) so that the point Fiery chamber (41), the fiery chamber (42) of biography, aerogenesis chamber (43) are integrally formed；

Step 2, the first row gas port (41.1), second exhaust port (42.1), third exhaust outlet are radially processed respectively (43.1)；

Step 3, pass through the first row gas port (41.1) of the step 2 formation, second exhaust port (42.1), third exhaust outlet (43.1), the ignitron (41.3) is put into the igniting chamber (41), is then poured into the ignition charge (41.2) described It lights a fire in chamber (41), finally sticks the first partition；

Step 4, by the second exhaust port (42.1) of the step 2 formation, third exhaust outlet (43.1), by biography fire Gunpowder (42.2) is poured into the fiery chamber (42) of the biography, then finally sticks the second partition；

Step 5, the gas generant composition in accordance (43.2) is poured into described by the third exhaust outlet (43.1) formed by the step 2 In aerogenesis chamber (43), the filter (43.4) is then finally injected；

Step 6, the construction packages finally completed the step 5 are in the air bag (44)；

Step 7, the air bag (44) that the step 6 is completed is encapsulated in the first panel (1) and the second panel (2) In the confined space being merged, the finally fixed handle (3).