CN212700412U - Portable sports teaching tennis frame - Google Patents

Abstract

The utility model discloses a portable sports teaching tennis frame, including hollow foundation post and auxiliary stay post, removable installation has the net on the auxiliary stay post, movable mounting has the elastic winding mechanism who is convenient for net elastic winding uses with convenient device is whole to carry in the hollow foundation post, and the hollow foundation post side sets up hangs the function groove of wearing and intercommunication, the net passes function groove and elastic winding mechanism releasable connection, this portable sports teaching tennis frame to be different from prior art, and then in real-time use, make the tennis frame net can be convenient carry out elasticity automatic winding, and cooperate the removal of hollow foundation post and auxiliary stay post to use, with guaranteeing that the whole convenience of tennis frame is carried, guarantee convenient removal teaching and use.

Description

Portable sports teaching tennis frame

Technical Field

The utility model relates to a portable tennis frame technical field specifically is a portable sports teaching tennis frame.

Background

The modern tennis born by birmingham in the uk of the 19 th century was originally called "grass tennis", after which the tennis came into rapid progress, created in 1877 the first grand slam wenbuerdon championship, followed by 1881's american net, 1891's french net and 1905's australian net, the four grand slam game of tennis.

The training of each present sports item all has specific place, if the volleyball training will be gone on the volleyball court, the tennis training will be gone on the tennis court, and the table tennis then need go on table tennis table etc. these independent places all are equipped with solitary equipment, if the volleyball court need be equipped with the volleyball frame, the tennis court then need be equipped with tennis frame etc..

However, the tennis frame is as indispensable equipment in the tennis, current tennis frame generally comprises two kinds of structures, one kind is the snap-on ground, can't remove, another kind is fixed the net through heavy base, though can remove the use, but very heavy, be difficult to carry, the limitation is big, and no matter which kind of structure's tennis frame, and the net all is carried alone basically, the whole convenient carrying of tennis frame can seriously be influenced in the real-time coiling work of net, make prior art's tennis frame portability not good, for this reason, we propose a portable sports teaching tennis frame.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable sports teaching tennis frame to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable sports teaching tennis frame, includes hollow foundation post and auxiliary stay post, removable installation has the net on the auxiliary stay post, movable mounting has the elastic winding mechanism who is convenient for net elastic winding uses with convenient device is whole to carry, and the hollow foundation post side is seted up and is hung the function groove of wearing and intercommunication, the net passes function groove and elastic winding mechanism releasable connection, is different from prior art, and then in real-time use for the tennis frame net can be convenient carry out elasticity automatic winding, and cooperate the removal of hollow foundation post and auxiliary stay post to use, with guaranteeing that the holistic convenience of tennis frame is carried, guarantee convenient removal teaching and use.

Preferably, elasticity winding mechanism includes and rotates the winding axle of installing in hollow foundation column through the bearing, the net passes the function groove removable fixing on the winding axle, the winding axle both ends all are fixed with the fixed coiling torsional spring of one end and hollow foundation column inner wall, and the winding axle top extends to the hollow foundation column outside, the one end that the winding axle is located outside the hollow foundation column is provided with the locating part that makes things convenient for the real-time rotatory coiling of winding axle and fixed erection exercise, guarantees that the net carries convenient coiling when using in real time and packs up to carry the use in real time.

Preferably, the limiting part comprises an installation shaft penetrating through the winding shaft through a bearing, the top of the hollow foundation pillar is in a polygonal shape with rotation limiting capacity, and rotation limiting top plates matched with the hollow foundation pillar to limit the rotation of the winding shaft are fixed at two ends of the installation shaft, so that the winding shaft can be conveniently wound and self-locked in real time, and the convenience in winding and stable erection are guaranteed.

Preferably, the shape of the rotation limiting top plate is U-shaped, so that the rotation limiting top plate can be fully contacted and attached with the hollow foundation column more fully, the real-time stability of the rotation limiting top plate is further improved, and the stable erection of the net is guaranteed.

Preferably, auxiliary stay capital portion and bottom all are provided with and are used for linking together its and hollow foundation pillar stable so that the steady position piece that carries of removing, the tight position piece includes runs through auxiliary stay pole's tight position bolt through the bearing, the tight position screw that is used for with tight position bolt cooperation use is offered to corresponding position on the hollow foundation pillar, and then makes fixed together that auxiliary stay post and hollow foundation pillar can be stable, has effectively improved its in-process stability of carrying in real time, avoids colliding with, effectively conveniently carries the use in real time.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses be different from prior art, and then in real-time use for the tennis frame net can be convenient carry out elasticity automatic winding, and the removal of cooperation hollow foundation column and auxiliary stay post is used, with the holistic convenience of guaranteeing the tennis frame and carry, guarantees that convenient removal teaching uses.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another orientation according to the present invention;

FIG. 3 is a schematic view of the structure of the hollow pillar in a plan view;

FIG. 4 is an enlarged schematic view of the area A of the present invention;

fig. 5 is an enlarged schematic view of the area B of the present invention.

In the figure: 1-a hollow pillar; 2-auxiliary supporting columns; 3-net; 4-an elastic winding mechanism; 5-a functional groove; 6-a winding shaft; 7-winding a torsion spring; 8-a limiting member; 9-mounting the shaft; 10-rotating a limit top plate; 11-a retention member; 12-tightening the bolts; 13-tightening screw holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a portable tennis frame for physical education teaching comprises a hollow base column 1 and an auxiliary supporting column 2, wherein the hollow base column 1 is of a hollow circular column structure but is not limited, and the auxiliary supporting column 2 is of a polygonal column structure but is not limited, so that redundant description is not repeated;

the tennis frame is characterized in that a tennis net 3 is detachably mounted on the auxiliary supporting column 2, an elastic winding mechanism 4 convenient for elastic winding of the tennis net 3 to facilitate carrying and use of the whole device is movably mounted in the hollow base column 1, a function groove 5 which is hung and communicated is formed in the side edge of the hollow base column 1, the tennis net 3 penetrates through the function groove 5 and is detachably connected with the elastic winding mechanism 4 so as to be different from the prior art, and therefore in the real-time use process, the tennis frame and the tennis net 3 can be conveniently and automatically wound in an elastic mode and can be used in a matched mode with the hollow base column 1 and the auxiliary supporting column 2 to guarantee convenient carrying and use of the whole tennis frame and guarantee convenient movement and teaching use;

further, 3 both ends of net respectively with auxiliary stay post 2 and 4 releasable connection of elastic winding mechanism, then can damage the back at net 3, effectual its dismouting of making things convenient for is changed, guarantees normal removal teaching and uses.

Elastic winding mechanism 4 includes that it installs the coiling axle 6 in hollow foundation column 1 to rotate through the bearing, and coiling axle 6 is circular axle construction but not limitation, prefers circular axle construction here to guarantee the maximum coiling volume in the finite space, ball net 3 passes 5 removable fixes on coiling axle 6 in functional groove, 6 both ends of coiling axle all are fixed with the coiling torsional spring 7 of one end and the fixed wall of hollow foundation column 1, and 6 tops of coiling axle extend to the 1 outside of hollow foundation column, coiling axle 6 is located the outer one end of hollow foundation column 1 and is provided with the locating part 8 that makes things convenient for 6 real-time rotatory convolutes of coiling axle and fixed erection exercise, and then when using in real time, through setting up locating part 8, can be with the ball net 3 of coiling in order to make things convenient for ball net 3's real-time coiling to guarantee real-time stable erection exercise and use.

The limiting member 8 comprises a mounting shaft 9 penetrating through the winding shaft 6 through a bearing, the mounting shaft 9 is of a circular shaft structure but is not limited, the rotation can be carried out through the bearing while the penetration is ensured, the top of the hollow base column 1 is polygonal with rotation limiting capacity, two ends of the mounting shaft 9 are both fixed with rotation limiting top plates 10 which are matched with the hollow base column 1 to limit the rotation of the winding shaft 6, when the device is used in real time, the rotary limit ejector rod is rotated upwards through the mounting shaft 9, after the cooperation between the rotary limit ejector rod and the hollow foundation column 1 is cancelled, the auxiliary supporting column 2 can be pulled to unfold the rolled net 3, and the rotary limiting top plate 10 is reset to be jointed with the hollow base column 1 after being unfolded in place, carry out rotation limit to winding shaft 6, through the support of hollow foundation column 1 and auxiliary stay post 2 this moment, can guarantee stable net 3 and erect the exercise and use.

The shape of the rotary limiting top plate 10 is U-shaped, so that the contact and the attachment of the hollow foundation column 1 are fully achieved, the real-time stability is further improved, and the stable erection of the net 3 is guaranteed.

2 tops of auxiliary stay post and bottom all are provided with and are used for linking together its and hollow foundation 1 stable so that the steady removal carries tight position piece 11, tight position piece 11 includes tight position bolt 12 that runs through auxiliary stay pole through the bearing, corresponding position offers on the hollow foundation 1 and is used for with tight position bolt 12 cooperation tight position screw 13 that uses, and then makes the fixed together that auxiliary stay post 2 and hollow foundation 1 can be stable, has effectively improved its in-process stability of carrying in real time, avoids colliding with, effectively conveniently carries the use in real time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a portable sports teaching tennis frame, includes hollow foundation column (1) and auxiliary stay post (2), its characterized in that: removable net (3) of installing on auxiliary stay post (2), movable mounting has in hollow pillar (1) and is convenient for net (3) elastic winding to wholly carry elastic winding mechanism (4) of use with convenient device, and hollow pillar (1) side has been seted up and has been hung function groove (5) of wearing and intercommunication, net (3) pass function groove (5) and elastic winding mechanism (4) releasable connection.

2. A portable sports teaching tennis rack according to claim 1, wherein: elasticity winding mechanism (4) include and rotate coiling axle (6) of installing in hollow foundation column (1) through the bearing, net (3) pass function groove (5) removable the fixing on coiling axle (6), coiling axle (6) both ends all are fixed with one end and hollow foundation column (1) inner wall fixed coiling torsional spring (7), and coiling axle (6) top extends to hollow foundation column (1) outside, the one end that coiling axle (6) are located hollow foundation column (1) outer is provided with and makes things convenient for coiling axle (6) real-time rotatory coiling and fixed locating part (8) of erectting the exercise.

3. A portable sports teaching tennis rack according to claim 2, wherein: the limiting part (8) comprises an installation shaft (9) penetrating through the winding shaft (6) through a bearing, the top of the hollow foundation column (1) is in a polygonal shape with rotation limiting capacity, and rotation limiting top plates (10) matched with the hollow foundation column (1) to limit the rotation of the winding shaft (6) are fixed at two ends of the installation shaft (9).

4. A portable sports teaching tennis rack according to claim 3, wherein: the rotation limiting top plate (10) is U-shaped.

5. A portable sports teaching tennis rack according to claim 4, wherein: auxiliary stay post (2) top and bottom all are provided with and are used for linking together its and hollow pillar (1) stable tight position spare (11) that carry so that stable removal, tight position spare (11) include tight position bolt (12) that run through auxiliary stay pole through the bearing, tight position screw (13) that are used for with tight position bolt (12) cooperation use are offered to corresponding position on hollow pillar (1).

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