CN112774155A - Free combat training auxiliary assembly - Google Patents
Free combat training auxiliary assembly Download PDFInfo
- Publication number
- CN112774155A CN112774155A CN202110124504.4A CN202110124504A CN112774155A CN 112774155 A CN112774155 A CN 112774155A CN 202110124504 A CN202110124504 A CN 202110124504A CN 112774155 A CN112774155 A CN 112774155A
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- CN
- China
- Prior art keywords
- bag
- sand
- shaft
- exhaust fan
- stirring shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004576 sand Substances 0.000 claims abstract description 101
- 238000003756 stirring Methods 0.000 claims abstract description 74
- 230000002457 bidirectional effect Effects 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- A63B69/004—
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/20—Punching balls, e.g. for boxing; Other devices for striking used during training of combat sports, e.g. bags
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the technical field of training equipment, in particular to free combat training auxiliary equipment which comprises a sand bag, wherein the bottom of the sand bag is connected with a support column, sand and sawdust are filled in the sand bag, a stirring shaft is vertically and rotatably arranged in the sand bag, and a spiral stirring blade is arranged on the stirring shaft. According to the invention, the spiral stirring blades are adopted to transversely stir and simultaneously convey sand at the lower part of the sand bag to the upper part, so that stirring is carried out in the longitudinal direction, the situations of sand sinking and sawdust floating are improved, and the problems of lower part hardening and upper part softening of the sand bag caused by sand sinking are solved.
Description
Technical Field
The invention relates to the technical field of training equipment, in particular to free combat training auxiliary equipment.
Background
Free combat trainers, in order to improve their skills, are required to continue the training of the legs and the fist, the most common training equipment at present being sandbags. The sandbags used in the market at present are generally divided into two types, one type is a hanging type and the other type is a vertical type, and the structures of the sandbags and the vertical type are similar, namely, a mixture of sand and sawdust which are uniformly mixed is filled into a soft leather bag, so that the sandbags achieve the effects of impact resistance and moderate hardness.
Because the proportion of sand is greater than the sawdust, easily sinks to the sand bag lower part after being hit, the sawdust proportion is lighter then to float to sand bag upper portion relatively, uses down for a long time to make the sand bag lower part present hard state, and painful sense increases during the training, and upper portion is too soft, and is great with actual experience, can't reach ideal training and experience. In addition, the ability of each trainer is different, and the hardness requirement to the sand bag is different, and the hardness of sand bag among the prior art can't adjust, can't the training demand of different users of the adaptability of satisfying.
Disclosure of Invention
The invention aims to provide a free combat training auxiliary device to solve the problems that after the existing sandbag is used for a long time, the lower part of the sandbag is hard, and the upper part of the sandbag is soft.
The free combat training auxiliary equipment comprises a sand bag, wherein the bottom of the sand bag is connected with a support column, sand and sawdust are filled in the sand bag, a stirring shaft is vertically and rotatably arranged in the sand bag, and a spiral stirring blade is arranged on the stirring shaft.
The principle and the beneficial effect of the scheme are as follows:
when the sand bag becomes hard, the driving stirring shaft rotates, sand and sawdust in the sand bag are stirred by the stirring blades, so that the sand and the sawdust are distributed more uniformly, and the hardness of the sand bag is improved. Adopt spiral stirring vane can also carry the sand of sand bag lower part upper portion when transversely stirring to stir on vertical, improve the condition that the sand sinks, the sawdust goes up the float, solve because the sand sinks the sand bag lower part that leads to and hardens, the problem that upper portion becomes soft.
Further, the sand bag comprises a flexible inner bag, an outer bag is sleeved outside the inner bag, the hardness of the outer bag is greater than that of the inner bag, and the top end and the bottom end of the stirring shaft are in sealed rotary connection with the inner bag and the outer bag.
Has the advantages that: the inner bag is used for containing sand and sawdust, and the outer bag provides hardness required by the sand bag and is convenient for installing the stirring shaft; the stirring shaft is connected with the inner bag and the outer bag in a sealing and rotating manner, so that sand and sawdust can be prevented from being leaked.
Furthermore, a bidirectional exhaust fan is arranged in the support column and used for ventilating the interior of the sand bag and vacuumizing the sand bag.
Has the advantages that: the ventilation in the sand bag can increase the gap between the sand and the sawdust, so that the sand and the sawdust are looser, and the whole sand bag is softer; give the sand bag evacuation and can make the clearance between sand, the sawdust reduce for the sand bag is compacter, thereby improves the hardness of sand bag, and the hardness of sand bag is adjusted to accessible during the in-service use for sand bag ventilation or evacuation, with the training demand that satisfies different users.
Further, the bottom of (mixing) shaft stretches out to in the support column, has seted up the air outlet on the support column lateral wall, has seted up the ventilation hole on the bottom lateral wall of (mixing) shaft, and the inside cavity of (mixing) shaft, the part that the (mixing) shaft is located the inner bag has seted up a plurality of air intakes, and air intake department is provided with the screen cloth, and the screen cloth is used for keeping apart sieve and sawdust.
Has the advantages that: the stirring shaft is used for communicating the supporting columns, and when the interior of the sand bag is ventilated, airflow enters the stirring shaft through the ventilation holes and then flows out of the sand bag through the air inlet; when the vacuum pumping is performed, air in the sand bag enters the stirring shaft through the air inlet, is discharged to the supporting column along with the stirring shaft, is finally discharged through the air outlet, and the screen is arranged to prevent sand and sawdust from being pumped out when the vacuum pumping is performed.
Furthermore, the bidirectional exhaust fan is arranged in the support column in a sliding mode, an air cylinder used for driving the bidirectional exhaust fan to lift is arranged below the bidirectional exhaust fan, the bidirectional exhaust fan can be connected with the stirring shaft when moving upwards, and the bidirectional exhaust fan can ventilate the sand bag when being connected with the stirring shaft.
Has the advantages that: by the arrangement, the stirring shaft can be driven by the power of the bidirectional exhaust fan, and a power source is not required to be additionally adopted to drive the stirring shaft, so that power resources are saved; the sand bag can be ventilated while stirring, and the hardness of the sand bag can be better improved under the combined action of stirring and ventilation, so that the sand bag can be more quickly softened.
Further, a connecting shaft is fixedly connected to a rotating shaft of the bidirectional exhaust fan, the connecting shaft is vertically arranged, spline teeth are arranged at the top end of the connecting shaft, and spline grooves capable of being connected with splines of the connecting shaft are formed in the bottom end of the stirring shaft.
Has the advantages that: two-way air discharge fan shifts up the time can drive the connecting axle and shifts up to (mixing) shaft department, and the connecting axle inserts the (mixing) shaft bottom and with (mixing) shaft splined connection, can realize being connected of (mixing) shaft and two-way air discharge fan, adopts the spline tooth not only to drive the (mixing) shaft and rotates, still does not influence connecting axle and (mixing) shaft connection.
Furthermore, a speed reduction assembly is connected between the bidirectional exhaust fan and the connecting shaft.
Has the advantages that: set up the speed reduction subassembly and give the (mixing) shaft speed reduction, can make the comparatively slow stirring of (mixing) shaft, avoid high-speed stirring to cause the high temperature.
Furthermore, the speed reduction assembly comprises a gear set, a pinion in the gear set is fixedly connected with a rotating shaft of the bidirectional exhaust fan, and a gearwheel in the gear set is fixedly connected onto the connecting shaft.
Has the advantages that: the gear set is used as a speed reduction assembly, the structure is simple, and the transmission is stable.
Furthermore, sealing sleeves are arranged at the joints of the stirring shaft and the inner bag and the outer bag.
Has the advantages that: the sealing performance of the joint of the stirring shaft and the inner bag and the joint of the stirring shaft and the outer bag can be improved by arranging the sealing sleeve.
Furthermore, a wind-collecting cover is arranged in the support column, the wind-collecting cover is funnel-shaped, and the small-diameter end of the wind-collecting cover is rotatably connected to the stirring shaft.
Has the advantages that: so set up and to converge the (mixing) shaft department with the air current for the air current is faster gets into in the (mixing) shaft.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a first embodiment of the present invention;
fig. 2 is a longitudinal sectional view of a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a fixing block 1, a sealing sleeve 2, an air inlet 3, stirring blades 4, a stirring shaft 5, an inner bag 6, an outer bag 7, a ventilation hole 8, a spline groove 9, a connecting shaft 10, a large gear 11, a transverse plate 12, a small gear 13, a bidirectional exhaust fan 14, a sliding plate 15, an air cylinder 16, a supporting column 17, a vertical plate 18 and an air collecting cover 19.
The first embodiment is as follows:
as shown in figure 1, a free combat training aid comprises a sandbag, the bottom of which is bolted with a support column 17. The sandbag comprises a flexible inner bag 6, an outer bag 7 is sleeved outside the inner bag 6, and the hardness of the outer bag 7 is greater than that of the inner bag 6. In the embodiment, the outer bag 7 is a leather bag special for a training sand bag in the prior art, the inner bag 6 is a rubber bag, sand and sawdust are filled in the inner bag 6, the sand and the sawdust are uniformly mixed and then are filled in the inner bag 6 during production, the sand is the sand for the training sand bag, and the sand is moderate in particle and not easy to be too large or too small.
A stirring shaft 5 is vertically and rotatably arranged in the sand bag, a spiral stirring blade 4 is fixed on the stirring shaft 5 through a bolt, and the edge of the stirring blade 4 is chamfered. The top end and the bottom end of the outer bag 7 are both fixed with fixing blocks 1 through bolts, the top end and the bottom end of the stirring shaft 5 penetrate through the inner bag 6 and the outer bag 7 and then are rotatably connected to the fixing blocks 1, and the bottom end of the stirring shaft 5 extends into the supporting column 17. The sealing sleeves 2 are glued and fixed at the positions where the inner bag 6 and the outer bag 7 are connected with the stirring shaft 5, the sealing sleeves 2 are sleeved on the stirring shaft 5 in a sealing and rotating mode, the connection sealing performance of the stirring shaft 5, the inner bag 6 and the outer bag 7 is improved, and the sealing sleeves 2 are rubber sleeves in the embodiment.
A sliding plate 15 is arranged in the supporting column 17, the sliding plate 15 can vertically slide in the supporting column 17, an air cylinder 16 is arranged below the sliding plate 15, and a piston rod of the air cylinder 16 is connected with the sliding plate 15. The slide plate 15 is fixed with a bidirectional exhaust fan 14 by bolts, and the bidirectional exhaust fan 14 is a bidirectional exhaust fan in the prior art.
The bidirectional exhaust fan 14 is connected with a connecting shaft 10 used for being connected with the stirring shaft 5, a speed reduction assembly is connected between the bidirectional exhaust fan 14 and the connecting shaft 10 and comprises a gear set, a pinion 13 in the gear set is in key connection with a rotating shaft of the bidirectional exhaust fan 14, a gearwheel 11 in the gear set is meshed on one side of the pinion 13, and the gearwheel 11 is in key connection with the connecting shaft 10. The sliding plate 15 is fixed with a vertical plate 18 by bolts, two transverse plates 12 are welded on the top of the vertical plate 18, and the rotating shaft of the bidirectional exhaust fan 14 and the connecting shaft 10 are respectively connected on the two transverse plates 12 in a rotating way. Spline teeth are cut at the top end of the connecting shaft 10, and a spline groove 9 which can be in spline connection with the connecting shaft 10 is formed at the bottom end of the stirring shaft 5. The stirring shaft 5 is hollow, the side wall of the part of the stirring shaft 5 positioned in the inner bag 6 is provided with a plurality of air inlets 3, the air inlets 3 are fixed with a screen by bolts, the screen is used for isolating sand and sawdust, and the side wall of the supporting column 17 is provided with an air outlet (not shown in the figure).
The specific implementation process is as follows:
when the sand bag becomes hard, the cylinder 16 can be started to drive the sliding plate 15 to move upwards, the bidirectional exhaust fan 14 and the connecting shaft 10 are driven to move upwards, the top end of the connecting shaft 10 is inserted into the spline groove 9 at the bottom end of the stirring shaft 5 (at the moment, the bidirectional exhaust fan 14 is not started), the bottom end of the stirring shaft 5 is meshed with the connecting shaft 10, the connection between the stirring shaft 5 and the connecting shaft 10 is achieved, and the stirring shaft 5 and the bidirectional exhaust fan 14 are connected through the connecting shaft 10.
Then the bidirectional exhaust fan 14 is turned on, the ventilation mode is adjusted, the bidirectional exhaust fan 14 ventilates the sand bag, the airflow enters the stirring shaft 5 through the ventilation hole 8, and then the air inlet 3 on the stirring shaft 5 enters the inner bag 6, so that the sand bag is ventilated. The air flow flows into the inner bag 6, the inner bag 6 is inflated and expanded, and the gap between the sand and the sawdust is increased, so that the sand and the sawdust become loose, and the hardness of the sand bag is improved.
When the two-way exhaust fan 14 rotates, power can be transmitted to the connecting shaft 10 through the small gear 13 and the large gear 11, the connecting shaft 10 drives the stirring shaft 5 to rotate, the stirring blades 4 are used for stirring sand and sawdust in the sand bag, the sand and the sawdust are loosened under the combined action of ventilation and stirring, and the hardness of the sand bag is improved. Through the transmission of pinion 13 and gear wheel 11, can also give (mixing) shaft 5 speed reduction for (mixing) shaft 5 slowly rotates, avoids high-speed rotation to cause the inside high temperature of sand bag.
When the spiral stirring blade 4 rotates, the sand and the sawdust can be stirred in the transverse direction, and the sand at the lower part of the sand bag can be conveyed to the upper part of the sand bag; after the sand on the lower part is conveyed to the upper part, the sand and the sawdust on the upper part fall to the lower part, and the vertical stirring is realized by reciprocating, so that the problems of sand sinking, sawdust floating and hard lower part and soft upper part of the sand bag caused by long-term use are solved. When the sand bag is actually used, the hardness of the sand bag can be adjusted in the above mode when a user feels that the sand bag is too hard.
If the trainer feels that the sandbag is too soft, the bidirectional exhaust fan 14 can be independently started to adjust to an exhaust mode, the bidirectional exhaust fan 14 rotates to form negative pressure, air in the inner bag 6 enters the stirring shaft 5 from the air inlet 3 on the stirring shaft 5, is pumped into the supporting column 17 along with the stirring shaft 5, and is finally discharged from the air outlet. Along with the extraction of the air in the inner bag 6, the volume of the inner bag 6 is reduced, the gap between the sand and the sawdust in the inner bag 6 is reduced, and the sand and the sawdust are more compact, so that the hardness of the sand bag is increased, and the requirements of trainers are met.
Example two
As shown in fig. 2, the difference between the present embodiment and the first embodiment is that a wind-collecting cover 19 is fixed to the support column 17 through bolts, the wind-collecting cover 19 is funnel-shaped, and the small-diameter end of the wind-collecting cover 19 is rotatably connected to the stirring shaft 5.
The air collecting cover 19 is arranged to collect air flow to the air vent 8, so that the air flow can rapidly enter the stirring shaft 5, and the sand bag can be ventilated more rapidly.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A free combat training auxiliary device is characterized in that: the sand bag stirring device comprises a sand bag, wherein a supporting column is connected to the bottom of the sand bag, sand and sawdust are filled in the sand bag, a stirring shaft is vertically and rotatably arranged in the sand bag, and a spiral stirring blade is arranged on the stirring shaft.
2. A combat training aid as claimed in claim 1 wherein: the sand bag comprises a flexible inner bag, an outer bag is sleeved outside the inner bag, the hardness of the outer bag is greater than that of the inner bag, and the top end and the bottom end of the stirring shaft are in sealed rotary connection with the inner bag and the outer bag.
3. A combat training aid as claimed in claim 2 wherein: and a bidirectional exhaust fan is arranged in the supporting column and used for ventilating the interior of the sand bag and vacuumizing the sand bag.
4. A combat training aid as claimed in claim 3 wherein: the bottom of (mixing) shaft stretches out to the support column in, has seted up the air outlet on the support column lateral wall, has seted up the ventilation hole on the bottom lateral wall of (mixing) shaft, the inside cavity of (mixing) shaft, a plurality of air intakes have been seted up to the part that the (mixing) shaft is located the inner bag, air intake department is provided with the screen cloth, screen cloth is used for keeping apart sieve and sawdust.
5. A combat training aid as claimed in claim 4 wherein: the bidirectional exhaust fan is arranged in the support column in a sliding mode, an air cylinder used for driving the bidirectional exhaust fan to lift is arranged below the bidirectional exhaust fan, the bidirectional exhaust fan can be connected with the stirring shaft when moving upwards, and the bidirectional exhaust fan can ventilate the sand bag when being connected with the stirring shaft.
6. A combat training aid as claimed in claim 5 wherein: fixedly connected with connecting axle in the pivot of two-way air discharge fan, the vertical setting of connecting axle, the connecting axle top is provided with the spline tooth, and the spline groove that can with connecting axle splined connection is seted up to the (mixing) shaft bottom.
7. A combat training aid as claimed in claim 6 wherein: a speed reducing component is connected between the bidirectional exhaust fan and the connecting shaft.
8. A combat training aid as claimed in claim 7 wherein: the speed reduction assembly comprises a gear set, a pinion in the gear set is fixedly connected with a rotating shaft of the bidirectional exhaust fan, and a gearwheel in the gear set is fixedly connected onto the connecting shaft.
9. A combat training aid as claimed in claim 2 wherein: sealing sleeves are arranged at the joints of the stirring shaft and the inner bag and the outer bag.
10. A combat training aid as claimed in claim 4 wherein: an air collecting cover is arranged in the support column, the air collecting cover is funnel-shaped, and the small-diameter end of the air collecting cover is rotatably connected to the stirring shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124504.4A CN112774155A (en) | 2021-01-29 | 2021-01-29 | Free combat training auxiliary assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124504.4A CN112774155A (en) | 2021-01-29 | 2021-01-29 | Free combat training auxiliary assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112774155A true CN112774155A (en) | 2021-05-11 |
Family
ID=75759698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110124504.4A Withdrawn CN112774155A (en) | 2021-01-29 | 2021-01-29 | Free combat training auxiliary assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112774155A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521594A (en) * | 2016-01-07 | 2016-04-27 | 燕山大学 | Double-hanging rotating device for nearly uniform distribution of sand and sawdust in sandbag |
| CN205441256U (en) * | 2016-03-11 | 2016-08-10 | 吴靖松 | Aerify sand bag and integrated configuration of extranal packing thereof |
| CN206048507U (en) * | 2016-09-05 | 2017-03-29 | 中国建筑第八工程局有限公司 | A kind of agitating device for building |
| CN108325195A (en) * | 2018-03-05 | 2018-07-27 | 江苏纽拓体育装备有限公司 | A kind of inflation water filling body-building equipment |
| CN208359085U (en) * | 2018-04-08 | 2019-01-11 | 青岛恒润建材有限公司 | mortar mixer |
-
2021
- 2021-01-29 CN CN202110124504.4A patent/CN112774155A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521594A (en) * | 2016-01-07 | 2016-04-27 | 燕山大学 | Double-hanging rotating device for nearly uniform distribution of sand and sawdust in sandbag |
| CN205441256U (en) * | 2016-03-11 | 2016-08-10 | 吴靖松 | Aerify sand bag and integrated configuration of extranal packing thereof |
| CN206048507U (en) * | 2016-09-05 | 2017-03-29 | 中国建筑第八工程局有限公司 | A kind of agitating device for building |
| CN108325195A (en) * | 2018-03-05 | 2018-07-27 | 江苏纽拓体育装备有限公司 | A kind of inflation water filling body-building equipment |
| CN208359085U (en) * | 2018-04-08 | 2019-01-11 | 青岛恒润建材有限公司 | mortar mixer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210511 |
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| WW01 | Invention patent application withdrawn after publication |