CN112386894A

CN112386894A - Liftable boxing target

Info

Publication number: CN112386894A
Application number: CN202011292411.4A
Authority: CN
Inventors: 陆昱森
Original assignee: Ningbo Yinzhou Fengming Industrial Product Design Co Ltd
Current assignee: Ningbo Yinzhou Fengming Industrial Product Design Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-02-23

Abstract

The invention discloses a liftable boxing target, which comprises a support frame and a boxing target main body, wherein the boxing target main body is detachably connected to the upper end of the support frame, the support frame comprises a base with an opening at the upper end and a hollow cylindrical support rod, the inner cavity of the support rod is communicated with the inner cavity of the base, and the support rod and the base are integrally injection-molded; the boxing target main body is sleeved on the outer side wall of the supporting rod in a sliding mode, the upper end of the base is provided with a limiting step, and a lifting mechanism for automatically adjusting the height of the boxing target main body is arranged between the lower end of the boxing target main body and the limiting step; the upper end of bracing piece is equipped with the clamp plate, and the clamp plate pressfitting location is at the top of boxing target main part, and is equipped with the elasticity piece that resets between clamp plate and the boxing target main part. The lifting boxing target provided by the invention has good elastic resilience, is simple in structure and few in components, and can realize height lifting adjustment.

Description

Liftable boxing target

Technical Field

The invention relates to the technical field of boxing targets, in particular to a liftable boxing target.

Background

The boxing target is equipment that boxer or boxing fan used for practising go out a fist, can effectively temper arm muscle, improve and go out fist strength and speed.

The boxing target main body, the supporting rod and the base in the existing boxing target structure are usually of a split structure, the supporting rod is usually made of hard rigid metal materials, certain elastic buffering performance is lacked, and the comfort is poor during beating training; and the height adjusting structure for the boxing target main body in the existing boxing target structure is complex and inconvenient to operate.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: overcome prior art's defect, provide one kind and have good elasticity and kick-back to simple structure, the part is few, can realize high lift adjustment's boxing target.

The technical scheme adopted by the invention is as follows: the boxing target comprises a support frame and a boxing target main body, wherein the boxing target main body is detachably connected to the upper end of the support frame, the support frame comprises a base with an upper end opening and a hollow cylindrical support rod, the inner cavity of the support rod is communicated with the inner cavity of the base, and the support rod and the base are integrally injection-molded; the boxing target main body is sleeved on the outer side wall of the supporting rod in a sliding mode, the upper end of the base is provided with a limiting step, and a lifting mechanism used for adjusting the height of the boxing target main body is arranged between the lower end of the boxing target main body and the limiting step; the upper end of bracing piece is equipped with the clamp plate, the top at boxing target main part is fixed a position to the clamp plate pressfitting, just be equipped with the elasticity piece that resets between clamp plate and the boxing target main part.

After adopting the structure, compared with the prior art, the liftable boxing target has the following advantages:

in the structure, the base for fixing the boxing target and the supporting rod are made into an integrated structure, the boxing target main body is directly sleeved outside the supporting rod, the integrated injection molding supporting frame structure has few parts, does not need additional installation and connection procedures, and has more stable overall structural strength performance; in addition, set up current elevating system between the spacing step of boxing target main part and base, still set up the elasticity piece that resets between boxing target main part upper end and clamp plate for the altitude mixture control of boxing target main part is more stable, convenient operation.

Furthermore, the lifting mechanism comprises a corrugated inner sleeve and an outer sleeve, the outer sleeve is coaxially arranged outside the inner sleeve, and an inflatable sealing cavity is arranged between the inner sleeve and the outer sleeve to form an axially telescopic corrugated rubber sleeve; the upper end of the corrugated rubber sleeve abuts against the lower end of the boxing target main body, and the lower end of the corrugated rubber sleeve abuts against the limiting step; and an inflation assembly communicated with the sealing cavity is arranged on the side wall of the outer sleeve.

As an improvement, the boxing target main body comprises a plurality of circular air bags which are vertically attached to each other, and an inflation assembly is arranged on the side wall of each air bag; the explosion-proof steel wire ring is characterized in that a plurality of circumferentially extending explosion-proof steel wire rings are vertically arranged on the side wall of the air bag, and a plurality of semicircular buffer air bags are vertically arranged on the outer side wall of the air bag. The boxing target main body is composed of a plurality of air bags, and the pressure in each air bag can be increased subsequently, namely the air pressure in the air bags is lost after the boxing target main body is used for a period of time, and then the air bags can be inflated through the inflation assembly to realize the function increase; in addition, in order to realize an explosion-proof function, the corresponding explosion-proof steel wire ring is arranged on the side wall of the air bag, and a plurality of arc-shaped buffer air bags are arranged on the outer side wall of the air bag, so that the explosion risk is reduced when the air bag is hit, and the safety performance is further improved.

Preferably, the inflation assembly comprises an inflation tube, one end of the inflation tube, which is close to the sealing cavity, is provided with a first mounting hole with an opening at the inner end, the other end of the inflation tube is provided with a second mounting hole which is coaxial and communicated with the first mounting hole, and the aperture of the second mounting hole is smaller than that of the first mounting hole; a cover plate is arranged at the opening end of the inflation tube close to the first mounting hole, a T-shaped valve core is arranged in the first mounting hole in a sliding mode, the small head end of the T-shaped valve core is matched in the second mounting hole, the other end of the T-shaped valve core is matched in the first mounting hole in a sliding mode, and an elastic piece is arranged between the tail portion of the T-shaped valve core and the cover plate; an air inlet hole communicated with the sealing cavity is formed in the side wall of the first mounting hole, and when external inflation equipment introduces air towards the second mounting hole to drive the T-shaped valve core to move towards one side of the sealing cavity until the position of the T-shaped valve core exceeds the position of the air inlet hole, the inflation state of the air bag is realized; when the external inflation pressure is eliminated, the elastic piece drives the T-shaped valve core to reset, so that the second mounting hole is sealed.

And the inner side wall of the upper end of the supporting rod is provided with an internal thread, the lower end of the pressing plate is provided with a connecting column corresponding to the inner hole of the upper end of the supporting rod, and the outer side wall of the connecting column is provided with an external thread matched with the internal thread.

Still preferably, the elastic restoring member is a cylindrical spring or a rubber bellows. Simple structure, the power that resets is stable, and simple to operate, and direct cover establish the bracing piece outside can.

Preferably, the side wall of the air bag is made of a plurality of layers of PVC materials, and the support frame is made of PVC materials.

And the outer side wall of the supporting rod is circumferentially provided with a plurality of vertically extending limiting grooves, and the side wall of the air bag is provided with limiting bulges matched with the limiting grooves. This improvement mechanism makes gasbag type boxing target when receiving to hit, can not take place relative rotation with the bracing piece under the external force is strikeed, hits the hitting stability when the influence training.

Drawings

Fig. 1 is a schematic structural diagram of the liftable boxing target of the invention.

Fig. 2 is an enlarged structural view at X in fig. 1.

FIG. 3 is a schematic view of an inflation assembly of the present invention.

The safety protection device comprises a base 1, a limiting step 1.1, a supporting rod 2, a pressing plate 3, a connecting column 3.1, an elastic reset piece 4, an inner sleeve 5, an outer sleeve 6, a sealing cavity 7, an inflation tube 8, a first mounting hole 8.1, a second mounting hole 8.2, a cover plate 8.3, a T-shaped valve core 8.4, an elastic piece 8.5, an air inlet 8.6, an air bag 9, an explosion-proof steel wire ring 10 and a buffer air bag 11.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

In the description of the present invention, it should be noted that the terms "upper end", "lower end", "outer side wall", "inner side wall", "outer side", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should also be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1, the lifting boxing target provided by the invention comprises a support frame and a boxing target main body, wherein the boxing target main body is detachably connected to the upper end of the support frame, and the lifting boxing target is simple in structure and convenient to disassemble and assemble.

Specifically, the support frame comprises a base 1 with an opening at the upper end and a hollow cylindrical support rod 2, the inner cavity of the support rod 2 is communicated with the inner cavity of the base 1, and the support rod 2 and the base 1 are integrally injection-molded; in the use process, fine sand can be poured into the inner cavity of the base 1 to ensure the stability of the support frame, so that the weight is increased, and the stability of the lower end of the support seat is ensured. In addition, the boxing target main body is sleeved on the outer side wall of the support rod 2 in a sliding manner, the upper end of the base 1 is provided with a limiting step 1.1, and a lifting mechanism for adjusting the height of the boxing target main body is arranged between the lower end of the boxing target main body and the limiting step 1.1; the upper end of bracing piece 2 is equipped with

clamp plate

3, and 3 pressfitting location of clamp plate are at the top of boxing target main part, and are equipped with elasticity piece 4 that resets between clamp plate 3 and the boxing target main part. In this structure, realize the adjustment of position about the boxing target main part through elevating system to also set up current elasticity piece 4 that resets between boxing target main part upper end and fixed clamp plate 3, make more nimble, the convenience of boxing target main part in the adjustment of vertical high position.

Specifically, in the present embodiment, the lifting mechanism includes an inner sleeve 5 and an outer sleeve 6 made of rubber material and corrugated, the outer sleeve 6 is coaxially disposed outside the inner sleeve 5, and an inflatable sealing cavity 7 is disposed between the inner sleeve 5 and the outer sleeve 6 to form an axially retractable corrugated rubber sleeve; the upper end of the corrugated rubber sleeve is abutted against the lower end of the boxing target main body, and the lower end of the corrugated rubber sleeve is abutted against the limiting step 1.1; an inflation assembly communicated with the sealed cavity 7 is arranged on the side wall of the outer sleeve 6. In the structure, the air is inflated towards the sealing cavity 7 through the inflation assembly, the inside of the sealing cavity 7 is pressurized and can expand, and because the outer wall structures on two sides of the corrugated rubber sleeve in the structure are corrugated rubber sleeves, the rubber sleeves extend along the axial direction firstly after the sealing cavity 7 is pressurized, so that the boxing target body is pushed upwards, and at the moment, the elastic resetting piece 4 is compressed, and the height of the boxing target body rises; when its height is reduced to needs, as long as through taking external force, make the gas discharge part in the seal chamber 7, the ripple rubber cover after pressure reduction can reduce on high like this to, the reverse restoring force of elasticity piece 4 that resets this moment acts on the up end of boxing target main part down all the time, thereby guarantees that the upper and lower both ends atress of boxing target main part is stable all the time.

In the above description, the elastic restoring member 4 is preferably a cylindrical spring or a rubber bellows, and the elastic member has a simple structure and is convenient to install, and the whole elastic member is directly sleeved outside the support rod 2.

More specifically, boxing target main part 02 includes a plurality of annular airbags 9 of circle, and a plurality of airbags 9 are established the cover along the range of vertical laminating mutually and are established the outside at bracing piece 2, and is further, can not take place relative rotation between 9 and the bracing piece 2 in order to guarantee, influence the boxing training, be equipped with the spacing recess (not shown in the figure) of a plurality of vertical extensions along circumference on the lateral wall of bracing piece 2, correspond, be equipped with spacing recess matched with spacing arch (not shown in the figure) on the lateral wall of gasbag 9.

And an inflation assembly is arranged on the side wall of each air bag 9 in the structure; along the vertical explosion-proof steel wire winding 10 that is equipped with a plurality of circumference extensions on the lateral wall of gasbag, in this embodiment, specifically including three gasbag 9 of range of stacking from top to bottom to be equipped with a plurality of whole circles of explosion-proof steel wire winding 10 along circumference on the outer wall of each gasbag 9, and a plurality of whole circles of explosion-proof steel wire winding 10 are along the vertical align to grid setting of gasbag 9, thereby has effectively strengthened the explosion-proof performance of gasbag 9 when hitting.

In addition, a plurality of semicircular buffer airbags 11 are also vertically arranged on the outer side wall of the airbag 9; after setting up like this, when training personnel's boxing cover hits and hits at gasbag 9 lateral wall, contact semicircular buffering gasbag 11 at first, played certain cushioning effect to alleviate the direct atress of 9 lateral walls of gasbag body, from another angle just reduced the probability that gasbag 9 bursts, promoted the security performance.

In the structure, the inflating mechanism of the air bag 9 is a key place, the invention designs a one-way air inlet mechanism, specifically, as shown in fig. 2 and 3, the inflating assembly comprises an inflating tube 8, one end of the inflating tube 8, which is close to the inner cavity of the air bag, is provided with a first mounting hole 8.1 with an opening at the inner end, the other end of the inflating tube 8 is provided with a second mounting hole 8.2 which is coaxial and communicated with the first mounting hole 8.1, and the aperture of the second mounting hole 8.2 is smaller than that of the first mounting hole 8.1; namely, the two mounting holes are communicated to form a T-shaped mounting channel; a cover plate 8.3 is arranged at the opening end of the inflation tube 8 close to the first mounting hole 8.1, a T-shaped valve core 8.4 is arranged in the first mounting hole 8.1 in a sliding mode, the small head end of the T-shaped valve core 8.4 is matched in the second mounting hole 8.2, the other end of the T-shaped valve core 8.4 is matched in the first mounting hole 8.1 in a sliding mode, and an elastic part 8.5 is arranged between the tail portion of the T-shaped valve core 8.4 and the cover plate 8.3; an air inlet 8.6 communicated with the inner cavity of the air bag is formed in the side wall of the first mounting hole 8.1, when external inflation equipment introduces air towards the second mounting hole 8.2 to drive the T-shaped valve core 8.4 to move towards one side of the inner cavity of the air bag until the air inlet 8.6 is exceeded, the air inlet 8.6 is communicated with the first mounting hole 8.1, namely, the external air can enter the inner cavity of the air bag 9 through the second mounting hole 8.2, the first mounting hole 8.1 and the air inlet 8.6 in sequence to realize the inflation process of the air bag 9; after the external inflation pressure is eliminated, the elastic piece 8.5 drives the T-shaped valve core 8.6 to reset, and the second mounting hole 8.2 is driven to be sealed, in the structure, referring to fig. 3, the T-shaped valve core 8.4 can only move towards one side of the inner cavity of the air bag 9, the function similar to that of a one-way valve can only realize that external air enters the inner cavity of the air bag 9 through the inflation assembly, and on the contrary, due to the elastic action of the elastic piece 8.5, the T-shaped valve core 8.4 always has the trend of moving towards the second mounting hole 8.2, and the air is ensured not to be leaked. In the present invention, the elastic member 8.5 is preferably a circular arc-shaped small spring, but in other embodiments, the elastic member 8.5 may also be a rubber bellows or a wave spring structure as long as the elastic restoring force can be achieved.

In addition, in the structure of the invention, the structure of the inflating assembly arranged on the outer sleeve 6 forming the corrugated rubber sleeve is the same as that of the inflating assembly arranged on the side wall of the air bag 9, and the details are not repeated.

The inner side wall of the upper end of the supporting rod 2 is provided with an internal thread, the lower end of the pressing plate 3 is provided with a connecting column 3.1 corresponding to the inner hole of the upper end of the supporting rod 2, and the outer side wall of the connecting column 3.1 is provided with an external thread matched with the internal thread.

In this embodiment, based on the consideration of the processing degree of difficulty and structural strength, the lateral wall of gasbag 9 adopts multilayer PVC material processing to form, and same support frame is processed for the PVC material and forms.

The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a liftable boxing target, includes support frame and boxing target main part, its characterized in that: the boxing target main body is detachably connected to the upper end of a support frame, the support frame comprises a base (1) with an opening at the upper end and a hollow cylindrical support rod (2), the inner cavity of the support rod (2) is communicated with the inner cavity of the base (1), and the support rod (2) and the base (1) are integrally injection-molded; the boxing target main body is sleeved on the outer side wall of the support rod (2) in a sliding mode, a limiting step (1.1) is arranged at the upper end of the base (1), and a lifting mechanism used for adjusting the height of the boxing target main body is arranged between the lower end of the boxing target main body and the limiting step (1.1); the upper end of bracing piece (2) is equipped with clamp plate (3), clamp plate (3) pressfitting location is at the top of boxing target main part, just be equipped with elasticity piece (4) that resets between clamp plate (3) and the boxing target main part.

2. The liftable boxing target of claim 1, wherein: the lifting mechanism comprises an inner sleeve (5) and an outer sleeve (6) which are made of rubber materials and are corrugated, the outer sleeve (6) is coaxially arranged outside the inner sleeve (5), and an inflatable sealing cavity (7) is arranged between the inner sleeve (5) and the outer sleeve (6) to form an axially telescopic corrugated rubber sleeve; the upper end of the corrugated rubber sleeve abuts against the lower end of the boxing target main body, and the lower end of the corrugated rubber sleeve abuts against the limiting step (1.1); and an inflation assembly communicated with the sealing cavity (7) is arranged on the side wall of the outer sleeve (6).

3. The liftable boxing target of claim 1, wherein: the boxing target main body comprises a plurality of annular air bags (9), the air bags (9) are sleeved outside the supporting rod (2) along a vertically-fitted arrangement sleeve, and an inflation assembly is arranged on the side wall of each air bag (9); the anti-explosion airbag is characterized in that a plurality of circumferentially extending anti-explosion steel wire rings (10) are vertically arranged on the side wall of the airbag (9), and a plurality of semicircular buffer airbags (11) are vertically arranged on the outer side wall of the airbag (9).

4. A liftable boxing target as claimed in claim 2 or 3, wherein: the inflation assembly comprises an inflation tube (8), one end of the inflation tube (8), which is close to the sealing cavity, is provided with a first mounting hole (8.1) with an opening at the inner end, the other end of the inflation tube (8) is provided with a second mounting hole (8.2) which is coaxial and communicated with the first mounting hole (8.1), and the aperture of the second mounting hole (8.2) is smaller than that of the first mounting hole (8.1); a cover plate (8.3) is arranged at the opening end of the inflation tube (8) close to the first mounting hole (8.1), a T-shaped valve core (8.4) is arranged in the first mounting hole (8.1) in a sliding mode, the small head end of the T-shaped valve core (8.4) is matched in the second mounting hole (8.2), the other end of the T-shaped valve core (8.4) is matched in the first mounting hole (8.1) in a sliding mode, and an elastic piece (8.5) is arranged between the tail portion of the T-shaped valve core (8.4) and the cover plate (8.3); an air inlet hole (8.6) communicated with the sealed cavity is formed in the side wall of the first mounting hole (8.1), and when external inflation equipment introduces air towards the second mounting hole (8.2) to drive the T-shaped valve core (8.4) to move towards one side of the sealed cavity until the position of the T-shaped valve core exceeds the position of the air inlet hole (8.6), the inflation state of the air bag (7) is realized; when the external inflation pressure is eliminated, the elastic piece (8.5) drives the T-shaped valve core (8.6) to reset, and the second mounting hole (8.2) is promoted to be sealed.

5. The liftable boxing target of claim 1, wherein: be equipped with the internal thread on the inside wall of bracing piece (2) upper end, the lower extreme of clamp plate (3) is equipped with spliced pole (3.1) corresponding with bracing piece (2) upper end hole, just be equipped with on the lateral wall of spliced pole (3.1) with internal thread matched with external screw thread.

6. A liftable boxing target in accordance with claim 1 or 5, wherein: the elastic reset piece (4) is a cylindrical spring or a rubber corrugated pipe.

7. A liftable boxing target in accordance with claim 3, wherein: the lateral wall of gasbag (9) adopts multilayer PVC material processing to form, the support frame form for PVC material processing.

8. A liftable boxing target in accordance with claim 3, wherein: the lateral wall of the supporting rod (2) is circumferentially provided with a plurality of vertically extending limiting grooves, and the lateral wall of the air bag (9) is provided with limiting bulges matched with the limiting grooves.