CN212235896U

CN212235896U - Portable tennis fence

Info

Publication number: CN212235896U
Application number: CN202020628945.9U
Authority: CN
Inventors: 赵媛; 康渊铭
Original assignee: Nanchang Normal University
Current assignee: Nanchang Normal University
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-29
Anticipated expiration: 2030-04-23

Abstract

The utility model provides a movable tennis fence with novel structural design; including the tensile post of ball fence fixed column and ball fence, the welding has two sets of loose axles that are structural distribution from top to bottom on the outer wall of the tensile adjacent one side of post of ball fence fixed column and ball fence, and there is flexible guardrail through pivot swing joint on the adjacent one side outer wall of loose axle, the welding has the receiver on the ball fence fixed column is close to one side outer wall of loose axle, and the tensile post of ball fence has seted up the slot on being close to one side outer wall of loose axle, flexible guardrail is located the inside of receiver, and the receiver is pegged graft in the inside of slot. The utility model discloses the inside of receiver can be gone into with flexible guardrail shrink to the tensile post of ball fence through removing the wheel when removing to play fine guard action to flexible guardrail, realized the folding function of tennis fence simultaneously, conveniently daily storing and removing, remove the wheel and have had fine cushioning effect at the in-process that removes, thereby promoted the stability when tennis fence removes.

Description

Portable tennis fence

Technical Field

The utility model belongs to the technical field of tennis fence technique and specifically relates to a portable tennis fence.

Background

Seine belongs to one of the field seines, which is also called: the sports purse seine can be used for installing a purse seine and a purse seine in site construction, has the biggest characteristic of strong flexibility, and can adjust the structure, the shape and the size of a net sheet at any time according to requirements; the stadium seine is particularly suitable for use as court seine, basketball court seine, volleyball court and sports training ground within 4 meters in height and belongs to one of the court seines, it is also known as: the sports purse seine can be used for installing purse posts and purse seines in site construction, has the biggest characteristic of strong flexibility, can adjust the structure, shape and size of a net piece at any time according to requirements, and is particularly suitable for being used as a court purse seine, a basketball court purse seine, a volleyball court and a sports training court with the height within 4 meters.

Among the prior art, tennis fence is mostly fixed structure, causes the tennis fence to remove inconvenient so, can't in time fold according to the demand simultaneously and accomodate, and the practicality is relatively poor. Therefore, a portable tennis ball fence is needed to solve the above problems.

Disclosure of Invention

The utility model aims to overcome the not enough of prior art, adapt to the actual needs, provide a portable tennis fence of structural design novelty.

In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:

a movable tennis column is designed, and comprises a ball column fixing column and a ball column stretching column, wherein two groups of movable shafts which are distributed in an up-down structure are welded on the outer wall of one side of the ball column fixing column adjacent to the ball column stretching column, a telescopic guardrail is movably connected on the outer wall of one side of the adjacent movable shafts through a rotating shaft, a storage box is welded on the outer wall of one side of the ball column fixing column close to the movable shafts, a slot is formed in the outer wall of one side of the ball column stretching column close to the movable shafts, the telescopic guardrail is positioned in the storage box and is inserted in the slot, moving wheels are mounted on the peripheries of the outer walls of the bottoms of the ball column fixing column and the ball column stretching column through bolts, positioning lug plates are welded at the bottoms of the outer walls of the opposite sides of the ball column fixing column and the ball column stretching column, and positioning holes are formed in the outer, and the center of the outer wall of the front surface of the ball fence stretching column and the outer wall of the other side far away from the outer wall of the front surface of the ball fence are welded with positioning cylinders.

The positioning cylinder is characterized in that a positioning column is inserted inside the positioning cylinder, a protruding block is welded on the outer wall of the positioning column, which is located inside the positioning cylinder, a pull ring is welded on the outer wall of one end of the positioning column, a third spring is welded on the outer wall of one side, which is close to the pull ring, of the protruding block, and the positioning column is inserted inside the positioning hole under the action of the third spring and the protruding block.

The supporting cylinder is installed on the outer wall of the top of the moving wheel through a bolt, a supporting column is inserted into the top end of the supporting cylinder, a limiting disc is welded to one end, located inside the supporting cylinder, of the supporting column, a second spring is welded to the outer wall of the bottom of the limiting disc, and the supporting column is connected inside the supporting cylinder in a sliding mode through the second spring and the limiting disc.

The top of support column passes through the bolt and installs the both sides at the tensile post bottom outer wall of ball fence fixed column and ball fence, and the support column is located and has cup jointed first spring on the outer wall between a support section of thick bamboo and ball fence fixed column and the tensile post of ball fence.

The ball fence fixing column and the ball fence stretching column are in ladder-shaped structures, and sponge sleeves are sleeved on the outer walls of the ball fence fixing column and the ball fence stretching column.

And the axis of the outer wall at the top of the positioning lug plate is provided with a screw hole.

The beneficial effects of the utility model reside in that:

(1) this design utilizes the receiver for the tensile post of ball fence can go into the inside of receiver with flexible guardrail shrink when removing the wheel and removing, thereby has played fine guard action to flexible guardrail, has realized the folding function of tennis fence simultaneously, and convenient daily storing and removal, novel structure, reasonable in design, the practicality is strong.

(2) This design utilizes the collocation use of reference column and locating hole, and when the slot was inserted to the receiver inside, the reference column inserted the inside of locating hole through the combined action of third spring and lug to reach and play fine location effect to the receiver, make the connection between ball fence fixed column and the ball fence tensile post more firm, compact structure, convenient operation.

(3) This design utilizes the collocation use between a support section of thick bamboo and the support column for remove the wheel and have had fine cushioning effect at the in-process that removes, thereby promoted the stability when tennis column removes, the combined action of first spring and second spring has greatly strengthened the cushioning effect of removing the wheel when removing.

(4) This design utilizes the location otic placode for the effectual fixing is carried out according to actual conditions after ball fence fixed column and the tensile post of ball fence move to the assigned position, thereby has further promoted the stability of tennis fence when using, fixes the tennis fence through the location otic placode, makes the tennis fence fix a position and remove more conveniently.

Drawings

FIG. 1 is a schematic diagram of the structure of the present design;

FIG. 2 is a schematic diagram of the front view structure of the present design;

FIG. 3 is a schematic view of the support cylinder structure of the present design;

fig. 4 is a schematic view of a positioning pillar structure in the present design.

In the figure: 1 fixed column of ball column, 2 tensile post of ball column, 3 receivers, 4 locating holes, 5 removal wheels, 6 slots, 7 loose axles, 8 flexible guardrails, 9 location section of thick bamboo, 10 support section of thick bamboo, 11 support columns, 12 first springs, 13 spacing dishes, 14 second springs, 15 reference columns, 16 lugs, 17 third springs, 18 pull rings, 19 location otic placodes.

Detailed Description

The invention will be further described with reference to the following figures and examples:

a movable tennis column, see figures 1 to 4, comprises a fixed column 1 and a stretching column 2, two sets of movable shafts 7 distributed in a vertical structure are welded on the outer wall of one side of the fixed column 1 adjacent to the stretching column 2, a telescopic guardrail 8 is movably connected on the outer wall of one side of the adjacent movable shafts 7 through a rotating shaft, a containing box 3 is welded on the outer wall of one side of the fixed column 1 adjacent to the movable shafts 7, a slot 6 is arranged on the outer wall of one side of the stretching column 2 adjacent to the movable shafts 7, the telescopic guardrail 8 is positioned in the containing box 3, the containing box 3 is inserted in the slot 6, moving wheels 5 are mounted on the peripheries of the outer walls at the bottoms of the fixed column 1 and the stretching column 2 through bolts, positioning lug plates 19 are welded on the bottoms of the outer walls at the opposite sides of the fixed column 1 and the stretching column 2, positioning holes 4 are formed in the centers of the outer wall at the front side of the containing box 3 and the outer wall at the other side far away from the, and the central department that the positive outer wall of ball fence stretching post 2 and keep away from positive outer wall opposite side outer wall all welds and has a location section of thick bamboo 9, and ball fence stretching post 2 can shrink into the inside of receiver 3 with telescopic guardrail 8 when removing wheel 5 and removing to play fine guard action to telescopic guardrail 8, realized the folding function of tennis fence simultaneously, conveniently daily storing and removing, novel structure, reasonable in design, the practicality is strong.

Further, in this design, location section of thick bamboo 9's inside is pegged graft and is had reference column 15, and reference column 15 welds on being located the inside outer wall of a location section of thick bamboo 9 and has lug 16, the welding has pull ring 18 on the one end outer wall of reference column 15, and the welding has third spring 17 on lug 16 is close to one side outer wall of pull ring 18, reference column 15 pegs graft in the inside of locating hole 4 through the effect of third spring 17 and lug 16, insert slot 6 when inside at receiver 3, reference column 15 inserts the inside of locating hole 4 through the combined action of third spring 17 and lug 16, thereby reach and play fine location effect to receiver 3, make the connection between fixed column 1 of ball fence and the ball fence stretching post 2 more firm.

Further, in this design, install a support section of thick bamboo 10 through the bolt on the top outer wall of removal wheel 5, and it has support column 11 to peg graft on the top of a support section of thick bamboo 10, support column 11 is located the inside one end welding of a support section of thick bamboo 10 and has spacing dish 13, and the welding has second spring 14 on the bottom outer wall of spacing dish 13, support column 11 is in the inside of a support section of thick bamboo 10 through second spring 14 and spacing dish 13 effect sliding connection, support column 11 passes through the inside of second spring 14 sliding connection at a support section of thick bamboo 10, make the fixed column 1 of ball fence and ball fence tensile post 2 have had fine cushioning effect, thereby stability when having promoted the tennis fence and removing.

Further, in this design, the top of support column 11 is passed through the bolt and is installed in the both sides of the outer wall of 2 bottoms of ball fence fixed column 1 and ball fence tensile post, and support column 11 is located and has cup jointed first spring 12 on the outer wall between support section of thick bamboo 10 and ball fence fixed column 1 and the ball fence tensile post 2, and first spring 12 makes support column 11 more stable firm when the inside of a support section of thick bamboo 10 slides through second spring 14, has further strengthened the shock attenuation effect of removing wheel 5.

Further, in this design, ball fence fixed column 1 and ball fence tensile post 2 are cat ladder column structure, and all cup jointed the sponge sleeve on the outer wall of ball fence fixed column 1 and ball fence tensile post 2, and the sponge sleeve makes ball fence fixed column 1 and ball fence telescopic post 2 more comfortable when daily use.

Furthermore, in the design, the axis of the outer wall of the top of the positioning ear plate 19 is provided with a screw hole, and the ground nail is inserted into the screw hole in the positioning ear plate 19 to fix the fixed column 1 and the stretching column 2 of the tennis column, so that the stability of the tennis column in use is improved.

To sum up the utility model discloses a theory of operation does: when the movable tennis column is used, an operator firstly moves the jointed ball column fixing column 1 and the jointed ball column stretching column 2 to a specified position through the moving wheel 5, in the process that the ball column fixing column 1 and the ball column stretching column 2 move through the moving wheel 5, the supporting column 11 is connected inside the supporting cylinder 10 in a sliding mode through the second spring 14, so that the ball column fixing column 1 and the ball column stretching column 2 have good damping effect, the stability of the tennis column in moving is improved, the damping effect of the moving wheel 5 in moving is greatly enhanced through the combined action of the first spring 12 and the second spring 14, after the tennis column is moved to the specified position, the operator pulls the positioning column 15 to withdraw from the inside of the positioning hole 4 through the pull ring 18, then the ball column stretching column 2 is moved, the ball column stretching column 2 moves through the moving wheel 5 to stretch the telescopic guardrail 8 out of the storage box 3, receiver 3 has played fine guard action to telescopic fence 8, has realized the folding function of tennis column simultaneously, and convenient daily storing and removing, after the certain interval is removed to ball fence fixed column 1 and ball fence tensile post 2, insert the screw on the location otic placode 19 with the ground nail inside reaching the fixed of ball fence fixed column 1 and ball fence tensile post 2, promoted the stability of tennis column when using.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims

1. A movable tennis column comprises a ball column fixing column (1) and a ball column stretching column (2), and is characterized in that two groups of movable shafts (7) which are distributed in an up-down structure are welded on the outer wall of one side, adjacent to the ball column fixing column (1) and the ball column stretching column (2), of each movable shaft, a telescopic guardrail (8) is movably connected on the outer wall of one side, adjacent to the movable shafts (7), of each movable shaft (7), a storage box (3) is welded on the outer wall of one side, close to the corresponding movable shaft (7), of each ball column stretching column (2), a slot (6) is formed in the outer wall of one side, close to the corresponding movable shaft (7), of each movable shaft, each telescopic guardrail (8) is located inside the corresponding storage box (3), the corresponding storage box (3) is inserted into the corresponding slot (6), moving wheels (5) are installed on the peripheries of the outer walls of the bottoms of the ball column fixing column (1) and the ball column, and the bottom welding of the outer wall of one side opposite to the ball fence fixing column (1) and the ball fence stretching column (2) has a positioning lug plate (19), the positioning holes (4) are formed in the outer wall of the front side of the storage box (3) and the center of the outer wall of the other side of the outer wall of the front side of the storage box (3), and the positioning cylinders (9) are welded in the outer wall of the front side of the ball fence stretching column (2) and the center of the outer wall of the other side of the outer wall.

2. A portable tennis bar as recited in claim 1, wherein: the positioning barrel is characterized in that a positioning column (15) is inserted into the positioning barrel (9), a convex block (16) is welded on the outer wall of the positioning column (15) located inside the positioning barrel (9), a pull ring (18) is welded on the outer wall of one end of the positioning column (15), a third spring (17) is welded on the outer wall of one side, close to the pull ring (18), of the convex block (16), and the positioning column (15) is inserted into the positioning hole (4) through the effect of the third spring (17) and the convex block (16).

3. A portable tennis bar as recited in claim 1, wherein: remove and install a support section of thick bamboo (10) through the bolt on the top outer wall of wheel (5), and the top of a support section of thick bamboo (10) is pegged graft and is had support column (11), support column (11) are located the inside one end welding of a support section of thick bamboo (10) and have spacing dish (13), and have welded second spring (14) on the bottom outer wall of spacing dish (13), support column (11) are through the inside of second spring (14) and spacing dish (13) effect sliding connection at a support section of thick bamboo (10).

4. A portable tennis bar according to claim 3, wherein: the top of the support column (11) is installed on two sides of the outer wall of the bottom end of the ball fence fixing column (1) and the ball fence stretching column (2) through bolts, and the support column (11) is located on the outer wall between the support cylinder (10) and the ball fence fixing column (1) and the ball fence stretching column (2) and is sleeved with the first spring (12).

5. A portable tennis bar as recited in claim 1, wherein: the ball fence fixing column (1) and the ball fence stretching column (2) are in ladder-shaped structures, and sponge sleeves are sleeved on the outer walls of the ball fence fixing column (1) and the ball fence stretching column (2).

6. A portable tennis bar as recited in claim 1, wherein: and a screw hole is formed in the axis of the outer wall of the top of the positioning lug plate (19).