CN215653717U

CN215653717U - Volleyball frame with adjustable height

Info

Publication number: CN215653717U
Application number: CN202121023113.5U
Authority: CN
Inventors: 朱静
Original assignee: Hunan Applied Technology University
Current assignee: Hunan Applied Technology University
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-01-28
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a height-adjustable volleyball frame, which relates to the technical field of volleyball frames and comprises a balance weight base, a groove formed in the upper surface of the balance weight base, a telescopic rod hinged to the inner wall of the groove, a sliding groove formed in the outer surface of the telescopic rod, a sliding rod connected with the inner wall of the sliding groove in a sliding mode and a volleyball net fixedly connected with the outer surface of the sliding rod, wherein two groups of circular grooves are formed in the inner wall of the groove, a pressure spring is fixedly connected to the inner wall of each circular groove, a limiting ball is fixedly connected to one end, far away from the circular groove, of each pressure spring, and a limiting mechanism is mounted on the upper surface of the balance weight base. The telescopic rod limiting device is reasonable in design structure, the device can be conveniently stored through the matching arrangement of the circular groove, the pressure spring, the limiting ball, the groove and the telescopic rod, the second piston rod is limited through the matching arrangement of the limiting mechanism, the clamping plate, the threaded rod and the threaded hole, and meanwhile, the structure of the telescopic rod is better and more stable.

Description

Volleyball frame with adjustable height

Technical Field

The utility model relates to the technical field of volleyball frames, in particular to a height-adjustable volleyball frame.

Background

The volleyball is one of ball sports items, and the court is rectangle, and the centre separates there is the high net, and the match both sides respectively account for one side in the court, and the sportsman is played from the net sky with the hand (hold) ball, and the ball that the volleyball used is to make the shell with sheepskin or synthetic leather, and the courage is made to rubber, and its size is similar with the football.

The volleyball frame needs to be used in the motion of volleyball, and current volleyball frame volume is fixed, is difficult to adjust, and then makes the volleyball frame difficult to accomodate. Therefore, the volleyball frame with the adjustable height is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a volleyball frame with an adjustable height.

II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a height-adjustable volleyball frame comprises a counterweight base, a groove formed in the upper surface of the counterweight base, a telescopic rod hinged to the inner wall of the groove, a sliding groove formed in the outer surface of the telescopic rod, a sliding rod connected with the inner wall of the sliding groove in a sliding manner, and a volleyball net fixedly connected with the outer surface of the sliding rod, wherein two groups of circular grooves are formed in the inner wall of the groove;

stop gear is including seting up the first square groove and two symmetrical second square grooves at counter weight base upper surface, two the inside in second square groove all is linked together with the inside in first square groove, the first expanding spring of interior diapire fixedly connected with in first square groove, and the inner wall sliding connection in first square groove has first piston rod, the lower part fixedly connected with of telescopic link left surface supports the piece, two the equal fixedly connected with second expanding spring of interior diapire in second square groove, and the equal sliding connection in inner wall in two second square grooves has the second piston rod, the cardboard has been placed to counter weight base's upper surface, the left surface threaded connection of cardboard has two threaded rods.

Furthermore, the upper end of the first piston rod extends to the upper part of the counterweight base, the upper surface of the first piston rod is fixedly connected with a supporting plate, and the bottom surface of the supporting block is matched with the upper surface of the supporting plate.

Furthermore, the cardboard is all run through to the upper end of two second piston rods, and the surface of two second piston rods all offer with the screw hole of threaded rod looks adaptation, two threaded rods respectively in the inner wall threaded connection of a screw hole.

Furthermore, two sets of limiting grooves matched with the limiting balls are formed in the outer surface of the telescopic rod.

Furthermore, the upper part of the inner wall of the first square groove is fixedly connected with a limiting ring.

Furthermore, a group of universal wheels is installed on the bottom surface of the counterweight base.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the height-adjustable volleyball frame has the following beneficial effects:

firstly, the telescopic rod is pulled leftwards until the outer surface of the telescopic rod is completely positioned in the groove by matching the circular groove, the pressure spring, the limiting ball, the groove and the telescopic rod, and in the process, the limiting ball moves towards the inside of the circular groove and is clamped with the inner wall of the limiting groove under the elastic action of the pressure spring, so that the limiting effect is achieved, and the device is convenient to store.

The limiting mechanism, the clamping plate, the threaded rods and the threaded holes are matched, the telescopic rod is pulled until the telescopic rod is perpendicular to the ground, the abutting block drives the abutting plate and the first piston rod to move downwards in the process, air in the first square groove is reserved in the second square groove, the second piston rod moves upwards under the action of air pressure, the inside of the clamping plate penetrates through the second piston rod and is arranged on the upper surface of the counterweight base, the two threaded rods are in threaded connection with the inner wall of one threaded hole respectively, the second piston rod is limited, and meanwhile the structure of the telescopic rod is better and stable.

Drawings

FIG. 1 is a schematic perspective view of a counterweight base according to the present invention;

FIG. 2 is a schematic front view of a partial cross-sectional structure of the present invention;

FIG. 3 is a schematic left-side sectional view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a counterweight base; 2. a groove; 3. a telescopic rod; 4. a chute; 5. a slide bar; 6. a volleyball net; 7. a circular groove; 8. a pressure spring; 9. a limiting ball; 10. a limiting mechanism; 11. a first square groove; 12. a second square groove; 13. a first extension spring; 14. a first piston rod; 15. a resisting block; 16. a second extension spring; 17. a second piston rod; 18. clamping a plate; 19. a threaded rod; 20. a threaded hole; 21. a limiting groove; 22. a limiting ring; 23. a resisting plate; 24. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a volleyball frame with adjustable height, including counter weight base 1, the recess 2 that counter weight base 1 upper surface was seted up, wall articulated telescopic link 3 in the recess 2, the spout 4 that 3 surfaces of telescopic link were seted up, 4 inner wall sliding connection's of spout slide bar 5 and the volleyball net 6 of 5 outer fixed surface connections of slide bar, two sets of circular slots 7 have been seted up to recess 2's inner wall, the equal fixedly connected with pressure spring 8 of the inner wall of every circular slot 7, the equal fixedly connected with spacing ball 9 of one end of circular slot 7 is kept away from to every pressure spring 8, counter weight base 1's last surface mounting has stop gear 10.

Stop gear 10 is including offering at the first square groove 11 and two symmetrical second square grooves 12 of counter weight base 1 upper surface, the inside of two second square grooves 12 all is linked together with the inside of first square groove 11, the first expanding spring 13 of the interior diapire fixedly connected with of first square groove 11, first expanding spring 13 is compression state in fig. 3, and the inner wall sliding connection of first square groove 11 has first piston rod 14, the lower part fixedly connected with of the 3 left surface of telescopic link supports piece 15, the equal fixedly connected with second expanding spring 16 of the interior diapire of two second square grooves 12, two second expanding spring 16 are tensile state in fig. 4, and the equal sliding connection of the inner wall of two second square grooves 12 has second piston rod 17, cardboard 18 has been placed to the upper surface of counter weight base 1, the left surface threaded connection of cardboard 18 has two threaded rods 19.

Further, the upper end of the first piston rod 14 extends to the upper portion of the counterweight base 1, the upper surface of the first piston rod 14 is fixedly connected with a resisting plate 23, and the bottom surface of the resisting block 15 is matched with the upper surface of the resisting plate 23. Play the cushioning effect to the right side of telescopic link 3 moves, prepare for the follow-up fixed of telescopic link 3 simultaneously.

Furthermore, the upper ends of the two second piston rods 17 all penetrate through the clamping plate 18, the outer surfaces of the two second piston rods 17 are provided with threaded holes 20 matched with the threaded rods 19, and the two threaded rods 19 are respectively in threaded connection with the inner wall of one threaded hole 20. The second piston rod 17 can be limited by the threaded connection between the threaded rod 19 and the threaded hole 20, and the telescopic rod 3 is more stable in structure under the action of the clamping plate 18.

Furthermore, two sets of limiting grooves 21 matched with the limiting balls 9 are formed in the outer surface of the telescopic rod 3. Make spacing ball 9 more firm with telescopic link 3's joint, and then be favorable to accomodating of device.

Furthermore, a limiting ring 22 is fixedly connected to the upper portion of the inner wall of the first square groove 11. The upward movement of the first piston rod 14 is limited, and the first piston rod 14 is prevented from falling off from the inner wall of the first square groove 11.

Further, a group of universal wheels 24 is installed on the bottom surface of the counterweight base 1. Facilitating movement of the device.

The working principle is as follows: when needing the installation volleyball frame, pull telescopic link 3 until telescopic link 3 is perpendicular with ground, the height of pulling telescopic link 3 to suitable height and through bolt fastening telescopic link 3, the in-process supports piece 15 and drives and supports board 23, first piston rod 14 moves down, the inside atmospheric pressure increase of first square groove 11, make the inside air of first square groove 11 stay to the inside of second square groove 12, second piston rod 17 shifts up under the effect of atmospheric pressure, with cardboard 18 inside run through second piston rod 17 and place in the upper surface of counter weight base 1, through two threaded rods 19 respectively in the inner wall threaded connection of a screw hole 20, it is spacing to second piston rod 17, make the structure of telescopic link 3 better stable simultaneously, with slide bar 5 sliding connection in the inner wall of spout 4, and adjust the distance between two counter weight bases 1 can.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to 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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a volleyball frame with adjustable height, includes recess (2) that counter weight base (1), counter weight base (1) upper surface were seted up, spout (4) that articulated telescopic link (3), telescopic link (3) surface were seted up in recess (2), spout (4) inner wall sliding connection's slide bar (5) and slide bar (5) surface fixed connection's volleyball net (6), its characterized in that: two groups of circular grooves (7) are formed in the inner wall of the groove (2), a pressure spring (8) is fixedly connected to the inner wall of each circular groove (7), a limiting ball (9) is fixedly connected to one end, far away from the circular grooves (7), of each pressure spring (8), and a limiting mechanism (10) is mounted on the upper surface of the counterweight base (1);

the limiting mechanism (10) comprises a first square groove (11) and two symmetrical second square grooves (12) which are arranged on the upper surface of the counterweight base (1), the interiors of the two second square grooves (12) are communicated with the interior of the first square groove (11), a first extension spring (13) is fixedly connected with the inner bottom wall of the first square groove (11), the inner wall of the first square groove (11) is connected with a first piston rod (14) in a sliding way, the lower part of the left side surface of the telescopic rod (3) is fixedly connected with a resisting block (15), the inner bottom walls of the two second square grooves (12) are fixedly connected with second telescopic springs (16), and the inner walls of the two second square grooves (12) are both connected with a second piston rod (17) in a sliding way, clamping plates (18) are placed on the upper surface of the counterweight base (1), and two threaded rods (19) are in threaded connection with the left side faces of the clamping plates (18).

2. The height adjustable volleyball frame according to claim 1, wherein: the upper end of the first piston rod (14) extends to the upper part of the counterweight base (1), the upper surface of the first piston rod (14) is fixedly connected with a supporting plate (23), and the bottom surface of the supporting block (15) is matched with the upper surface of the supporting plate (23).

3. The height adjustable volleyball frame according to claim 1, wherein: the upper ends of the two second piston rods (17) penetrate through the clamping plate (18), the outer surfaces of the two second piston rods (17) are provided with threaded holes (20) matched with the threaded rods (19), and the two threaded rods (19) are respectively in threaded connection with the inner wall of one threaded hole (20).

4. The height adjustable volleyball frame according to claim 1, wherein: the outer surface of the telescopic rod (3) is provided with two groups of limiting grooves (21) matched with the limiting balls (9).

5. The height adjustable volleyball frame according to claim 1, wherein: the upper part of the inner wall of the first square groove (11) is fixedly connected with a limiting ring (22).

6. The height adjustable volleyball frame according to claim 1, wherein: a group of universal wheels (24) is installed on the bottom surface of the counterweight base (1).