CN216092052U

CN216092052U - Hula hoop unit knot and hula hoop

Info

Publication number: CN216092052U
Application number: CN202122545465.3U
Authority: CN
Inventors: 陆小强
Original assignee: Jinhua Gaodeng Sporting Goods Co ltd
Current assignee: Jinhua Gaodeng Sporting Goods Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-22
Anticipated expiration: 2031-10-21

Abstract

A hula hoop unit section and a hula hoop are provided, wherein one end of the unit section is provided with a slot with a lateral opening, the other end of the unit section is provided with an insertion part which can be inserted into the slot from the lateral opening, the unit section is provided with a switch mechanism which enables the insertion part to be kept in the slot, two adjacent unit sections are detachably connected through the insertion part and the slot, namely, the insertion part of one unit section is inserted into the slot of the other unit section from the lateral opening, the insertion part is inserted into the slot from the lateral opening of the slot and kept in the slot through the switch mechanism, when two adjacent unit sections receive circumferential pulling force, the insertion part can be reliably kept in the slot, even if two adjacent unit sections receive lateral force action, the two adjacent unit sections can be kept in the slot due to the blocking of the switch mechanism, and therefore the reliable connection of the two adjacent unit sections is guaranteed.

Description

Hula hoop unit knot and hula hoop

Technical Field

The utility model relates to a hula hoop, in particular to a hula hoop which can be bound on the waist of an exerciser and cannot fall off.

Background

Chinese patent document CN111202942A discloses a hula hoop, which comprises a hoop body composed of a plurality of unit sections connected end to end, wherein two adjacent unit sections are detachably connected with each other through a connecting piece, the unit sections are provided with accommodating grooves into which the connecting piece is inserted, the front section and the rear section of the connecting piece are respectively inserted into the accommodating grooves of the two adjacent unit sections, the unit sections are provided with locking mechanisms for keeping the connecting piece in the accommodating grooves, each locking mechanism comprises an operating button and a spring, the operating button can be arranged on the unit sections in a floating manner between a locking position and a releasing position, the spring is arranged between the operating button and the unit sections to drive the operating button to reset to the locking position, the operating button is provided with a first limiting part, the connecting piece is provided with a second limiting part, the front side of the first limiting part is formed with an inclined guide inclined plane, and the second limiting part can be guided to the rear side of the first limiting part by the guide plane, the connecting piece inserts in the storage tank along the end of unit festival, and two adjacent unit festival mainly receive the effect of its circumference power, and the connecting piece directly deviates from the storage tank easily when locking mechanism damages like this, leads to the separation of unit festival to drop.

Disclosure of Invention

The utility model aims to provide a hula hoop unit section which is convenient to disassemble and assemble and reliable in connection.

The purpose of the utility model is realized by the following technical scheme:

a hula hoop unit section is characterized in that: one end of the unit section is provided with a slot with a lateral opening, the other end of the unit section is provided with an inserting part which can be inserted into the slot from the lateral opening, the unit section is provided with a switch mechanism which enables the inserting part to be kept in the slot, the adjacent two unit sections are detachably connected through the inserting part and the slot, namely, the inserting part of one unit section is inserted into the slot of the other unit section from the lateral opening, the inserting part is inserted into the lateral opening of the slot and is kept in the slot through the switch mechanism, when the adjacent two unit sections receive circumferential traction force, the inserting part can be reliably kept in the slot, even if the adjacent two unit sections receive lateral force action, the blocking part with the switch mechanism can also be kept in the slot, and therefore, the reliable connection of the adjacent two unit sections is ensured.

The switch mechanism comprises a sliding block and an elastic piece, the sliding block can be movably arranged on the unit sections between a closing position and an opening position, when the sliding block is at the closing position, the sliding block blocks a lateral opening of the slot, when the sliding block is at the opening position, the sliding block opens the lateral opening of the slot, the elastic piece drives the sliding block to move to the closing position, during operation, the sliding block is only required to be pushed to move to the opening position, the insertion part can enter or be pulled out of the slot from the lateral opening of the slot, after the insertion part enters the slot, the sliding block is loosened, the sliding block can automatically move to the closing position to block the lateral opening of the slot under the driving of the elastic piece, the insertion part cannot be pulled out, the operation is very convenient, and when the ring body needs to be opened, two adjacent unit sections can be separated even if the ring body is operated by a single hand.

The unit section is provided with a sliding groove extending along the sliding direction of the sliding block, the sliding block is provided with a protruding part which can be slidably arranged in the sliding groove, the sliding block can be guided to smoothly and accurately slide through the matching of the sliding groove and the protruding part, and the sliding stroke of the sliding block can also be limited through the matching of the sliding groove and the protruding part.

The top surface of slider is formed with the last bulge that extends along its slip direction, the bottom surface of slider has the lower bulge that extends along its slip direction, the unit festival be provided with last spout and the lower spout of last bulge and lower bulge sliding fit, go up the bulge and lower bulge extend along the slip direction of slider and with last spout and the cooperation of lower spout, can increase the installation intensity of slider, make the lateral force that the slider can socket joint portion, can not damage or drop.

The outer side surface of the sliding block is provided with a convex operation part, and the sliding block can be conveniently operated to slide through the operation part.

The elastic piece is a spiral spring.

And a positioning rod inserted into the spiral spring is formed at one end of the sliding block, and the bolt spring can be conveniently positioned and installed through the positioning rod.

The plug-in part is connected with the unit section through the connecting plate, the end part of the unit section is provided with an end opening communicated with the slot to avoid the connecting plate, the connecting plate can ensure the reliable connection of the plug-in part, and the end opening can avoid the connecting plate to enable the plug-in part to smoothly enter the slot.

The slot is internally provided with a positioning convex strip extending along the length direction of the slot, the inserting part is provided with a positioning groove matched with the positioning convex strip, and the positioning convex strip is matched with the positioning groove to ensure that the inserting part is stably kept in the slot without shaking.

The slot extends along the width direction of the unit section or the slot extends obliquely relative to the width direction of the unit section, and the slot extends along the width direction of the unit section, so that the insertion of the insertion part is easier and smoother, and the butt joint of two adjacent unit sections is more convenient and faster; the slot extends obliquely relative to the width direction of the unit section, so that the insertion part is not easy to be separated from the side opening of the slot, and the connection of two adjacent unit sections is more reliable.

The unit festival is the arc structure, the inboard both sides of unit festival are provided with two outside convex cowl, cowl's one end is formed with convex occlusion part, the other end is formed with the groove of dodging that supplies the occlusion part embedding, two cowl set up occlusion part with one of the one end, the other side sets up and dodges the groove, clearance between the cowl of two adjacent unit festival is through occlusion part and dodge the groove cooperation and eliminate, can prevent that the clothes from being cliied by the clearance between the cowl of two adjacent unit festival, influence hula hoop's use.

The two sides of the unit section are provided with two arc-shaped rails which are oppositely arranged at intervals with the arc-shaped baffles, the arc-shaped rails can be matched with the walking wheels of the sliding seat, and lateral grooves for the walking wheels to walk are formed between the arc-shaped rails and the arc-shaped baffles.

The outside border of cowl protrudes the outside border of arc track, and cowl just can shelter from the walking wheel like this, prevents that the clothes from being drawn into in the walking wheel.

The unit section comprises an outer side part, an inner side part and an intermediate part arranged between the outer side part and the inner side part, the inserting part and the inserting groove are formed at two ends of the intermediate part, the sliding block is arranged between the outer side part and the intermediate part, the unit section is formed by assembling three parts, and production and assembly of products can be facilitated.

The intermediate member is formed with the location jack that extends along its length direction, the lateral member is formed with the location picture peg that can insert in the location jack, can realize the accurate reliable installation of intermediate member through the cooperation of location jack and location picture peg.

The outer side part and the inner side part are connected through a first screw in a locking mode, a counter bore through which a first screw penetrates is formed in the inner side of the inner side part, and the outer side part and the middle part are connected through a second screw in a locking mode.

The inner side of the inner side piece is provided with an elastic massage head, the inner side of the inner side piece is provided with a mounting hole, the second screw enters the unit section through the mounting hole to lock and connect the intermediate piece and the outer side piece, the elastic massage head is provided with a limiting part positioned on the inner side of the mounting hole, a massage part positioned on the outer side of the mounting hole and a connecting part connected between the massage part and the limiting part, the massage part is provided with a plug embedded in the counter bore and can hide the first screw and the second screw, when the unit section needs to be disassembled, the first screw and the second screw can be operated only by disassembling the elastic massage head, in addition, the elastic massage head is made of an elastic material, only the limiting part needs to be pressed into the inner side of the mounting hole during installation, and the limiting part can be pulled out of the mounting hole through a certain pulling force to disassemble the elastic massage head, and the operation is convenient.

The top surface of the limiting part is provided with a deformation groove extending into the connecting part, and the deformation amount of the limiting part can be increased through the deformation groove, so that the limiting part is pressed into the inner side of the mounting hole or separated from the mounting hole more easily.

The terminal surface of unit festival is provided with spacing boss, and spacing boss is located between two adjacent unit festival, can restrict the interval between two adjacent unit festival, prevents to press from both sides exerciser's waist skin because of the ring body deformation leads to the interval undersize between two adjacent unit festival.

The utility model provides a hula hoop, includes the hoop body, slide and weight, and the slide slidable sets up on the hoop body, and the weight is connected its characterized in that with the slide: the ring body is formed by connecting a plurality of unit sections end to end, the unit sections are of arc structures, and two adjacent unit sections are detachably connected through the inserting parts and the inserting grooves.

The inboard both sides of unit festival are provided with outside convex two cowl, and cowl's one end is formed with convex occlusion part, and the other end is formed with the groove of dodging that supplies the occlusion part embedding, and one in two cowl's the same end sets up the occlusion part, and another sets up dodges the groove, the occlusion part with dodge the groove and have the clearance, the occlusion part can shelter from the clearance between the adjacent two unit festival cowl with dodge the groove cooperation, prevents to press from both sides the clothes, and the occlusion part with it has the clearance to make to have certain deformation space between the adjacent two unit festival in order to adapt to the circle body of different internal diameters to dodge the groove.

The length of the shielding part is 3-8 mm, and the shielding part can adapt to ring bodies with different inner diameters within the length range, so that the shielding reliability is ensured.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a perspective view of a hula hoop.

Fig. 2 is a perspective view of the unit section with the slider in the closed position.

Fig. 3 is a perspective view of the unit section with the slider in the open position.

Fig. 4 is an exploded view of a unit segment.

Fig. 5 is a perspective view of the outer member, viewed from below.

Fig. 6 is a perspective view of the slider.

Fig. 7 is a perspective view showing a connection state of two adjacent unit sections.

Fig. 8 is a sectional view showing a connection state of two adjacent unit sections.

Fig. 9 is a perspective view of the intermediate member, viewed from below.

Fig. 10 is a view of the state of the unit section engaged with the slider, from the top.

Fig. 11 is a view of the state of the unit section and the slider in a bottom view.

Detailed Description

Referring to fig. 1 to 11, a hula hoop comprises a hoop body a, a sliding seat 2 and a weight 3, wherein the sliding seat 2 is slidably arranged on the hoop body a, and the weight 3 is connected with the sliding seat 2 through a tying belt 31.

The ring body A is formed by connecting a plurality of unit sections 1 end to end, the unit sections 1 are arc-shaped structures, one end of each unit section 1 is provided with a slot a with a lateral opening a1, the other end of each unit section 1 is provided with an insertion part 121 which can be inserted into the slot a from a lateral opening a1, each unit section 1 is provided with a switch mechanism 4 which can enable the insertion part 121 to be kept in the slot a, the slot a extends along the width direction of the unit section 1, so that two adjacent unit sections 1 are detachably connected through the insertion part 121 and the slot a, namely, the insertion part 121 of one unit section 1 is inserted into the slot a of the other unit section 1 from a lateral opening a1, the insertion part 121 is inserted from a lateral opening a1 of the slot a and kept in the slot a through the switch mechanism 4, when two adjacent unit sections 1 are subjected to circumferential tension, the insertion part 121 can be reliably kept in the slot a, even if two adjacent unit sections 1 are subjected to lateral force, the two adjacent unit sections can be kept in the slot a due to the blockage of the switch mechanism 4, thereby ensuring reliable connection of two adjacent unit sections 1.

The unit section 1 comprises an outer side part 11, an inner side part 13 and an intermediate part 12 arranged between the outer side part 11 and the inner side part 13, the outer side part 11, the inner side part 13 and the intermediate part 12 are all arc-shaped structures extending along the length direction of the unit section 1 and are injection-molded plastic parts, the outer side part 11 and the inner side part 13 are in locking connection through a first screw 15, the outer side part 11 and the intermediate part 12 are in locking connection through a second screw 16, the intermediate part 12 is provided with a positioning insertion hole 123 extending along the length direction thereof, the bottom of the outer side part 11 is provided with a positioning insertion plate 114 capable of being inserted into the positioning insertion hole 123, the intermediate part 12 can be accurately and reliably installed through the matching of the positioning insertion hole 123 and the positioning insertion plate 114, the intermediate part 12 is provided with a screw seat 129 located in the middle of the positioning insertion hole 123, the second screw 16 passes through the screw seat 129 and is connected with a locking hole screw 161 on the outer side part 11, the outer side part 11 is provided with a first cylinder 116 at the middle position of the positioning insertion plate 114, the screw locking hole 161 is formed on the first cylinder 116, the first embedding portion 125 matched with the first cylinder 116 is formed in the middle of the positioning insertion hole 123, the first cylinder 116 is embedded into the first embedding portion 125 to realize positioning, and the screw seat 129 is located right below the first embedding portion 125.

Two counter bores c for the first screws 15 to pass through are formed in the inner side of the inner side piece 13, two hollow cylindrical counter bore seats 132 are formed in the inner side piece 13, the counter bores c are formed in the counter bore seats 132, second embedding parts 128 matched with the counter bore seats 132 are formed at the bottom of the middle piece 12, two second cylinders 115 opposite to the two counter bore seats 132 are formed at the bottom of the outer side piece 11, screw locking holes 151 are formed in the second cylinders 115, two third embedding parts 124 located on two sides of the first embedding part 125 are formed in the positioning insertion holes 123, the second cylinders 115 pass through the third embedding parts 124 and are attached to the top surfaces of the counter bore seats 132, the first screws 15 pass through the counter bores c and are in locking connection with the screws 151, and through the adaptive embedded combination of the embedding parts and the cylinders, the reliable butt joint of the outer side piece 11, the inner side piece 13 and the middle piece 12 can be achieved, and the assembling efficiency and the assembling accuracy are improved.

The inner side of the inner side part 13 is provided with an elastic massage head 14, the elastic massage head 14 is made of elastic material, specifically rubber or silica gel, etc., the inner side of the inner side part 13 is provided with a mounting hole 134 opposite to the second screw 16, the second screw 16 enters the unit section 1 through the mounting hole 134 to lock and connect the middle part 12 and the outer side part 11, the elastic massage head 14 is provided with a limit part 142 positioned at the inner side of the mounting hole 134, a massage part 141 positioned at the outer side of the mounting hole 134 and a connecting part 144 connected between the massage part 141 and the limit part 142, the massage part 141 is provided with a plug 143 embedded in a counter bore c, the first screw 15 and the second screw 16 can be hidden, when the unit section 1 needs to be disassembled, the first screw 15 and the second screw 16 can be operated only by disassembling the elastic massage head 14, only the limit part 142 is pressed into the inner side of the mounting hole 134 during installation, and the limit part 142 can be pulled out of the mounting hole 134 by a certain pulling force to disassemble the elastic massage head 14, the operation is convenient, the deformation groove d extending into the connecting portion 144 is formed on the top surface of the limiting portion 142, and the deformation amount of the limiting portion 142 can be increased through the deformation groove d, so that the limiting portion 142 can be pressed into the inner side of the mounting hole 134 or separated from the mounting hole 134 more easily.

The middle member 12 is a plate-shaped structure, one end of the middle member 12 is connected with the inserting part 121 through the connecting plate 122, the other end is formed with a slot a, the slot a is formed with a side opening a1 and an end opening a2, the inserting part 121, the connecting plate 122, the slot a and the middle member 12 are integrally formed, the outer member 11 comprises an arc-shaped main plate 111, two side plates 112 connected with the two side edges of the arc-shaped main plate 111 and an end plate 113 connected with one end edge of the arc-shaped main plate 111, the end plate 113 is formed with a yielding hole 1131 for the connecting plate 122 to extend out, the switch mechanism 4 is arranged between the outer member 11 and the middle member 12,

the switch mechanism 4 includes a slider 41 and a spring 42, the slider 41 is movably disposed on the unit node 1 between a closed position and an open position, as shown in fig. 2, when the slider 41 is at the closed position, the slider 41 blocks a lateral opening a1 of the slot a, when the slider 41 is at the open position, the slider 41 opens a lateral opening a1 of the slot a, the spring 42 drives the slider 41 to move to the closed position, the specific slider 41 is slidably disposed between a bottom surface of the arc main plate 111 of the outer member 11 and a top surface of the intermediate member 12, an operating portion 413 is formed on an outer side surface of the slider 41, an avoiding notch 1121 for sliding the operating portion 413 is formed on the side plate 112, a convex edge 127 opposite to the avoiding notch is formed on a side surface of the intermediate member 12, the operating portion 413 is limited to slide between the convex edge 127 and the bottom surface of the arc main plate 111, an upper convex portion 411 extending along a sliding direction of the top surface of the slider 41 is formed, the bottom surface of the slider 41 is provided with a lower protrusion 412 extending along the sliding direction thereof, the bottom surface of the arc main plate 111 is provided with an upper sliding groove 116 slidably engaged with the upper protrusion 411, the top surface of the middle piece 12 is provided with a lower sliding groove 126 slidably engaged with the lower protrusion 412, the upper protrusion 411 and the lower protrusion 412 extend along the sliding direction of the slider 41 and engage with the upper sliding groove 116 and the lower sliding groove 126, the mounting strength of the slider 41 can be increased, the slider 41 can receive the lateral force of the engaging portion 121 without being damaged or falling off, and the sliding stroke of the slider 41 is limited, and the cross section of the upper protrusion 411 and the lower protrusion 412 is substantially rectangular.

The bottom surface of the arc main plate 111 is formed with a spring installation groove 117, the spring 42 is installed in the spring installation groove 117, one end of the slider 41 is formed with a positioning rod 414 inserted into the spring 42, and the cross section of the positioning rod 414 is cross-shaped. During operation, only the sliding block 41 is required to be pushed to move to the opening position, the inserting part 121 can enter or be pulled out of the slot a from the lateral opening a1 of the slot a, after the inserting part 121 enters the slot, the sliding block 41 is loosened, the sliding block 41 can automatically move to the closing position to block the lateral opening a1 of the slot a under the driving of the spring 42, the inserting part 121 cannot be pulled out, the operation is very convenient, and when the ring body A needs to be opened, the adjacent two unit sections 1 can be separated even if the ring body A is operated by a single hand.

The slot a is formed with a positioning protrusion a3 extending along the length direction thereof, the inserting part 121 is formed with a positioning groove 1211 matching with the positioning protrusion a3, and the positioning protrusion a3 and the positioning groove 1211 cooperate to stably keep the inserting part 121 in the slot a without shaking.

The slot a extends along the width direction of the unit section 1 or the slot a extends obliquely relative to the width direction of the unit section 1, and the slot a extends along the width direction of the unit section 1, so that the insertion of the insertion part 121 is easier and smoother, and the butt joint of two adjacent unit sections 1 is more convenient and faster; the slot a extends obliquely relative to the width direction of the unit section 1, so that the insertion part 121 is not easy to be separated from the side opening a1 of the slot a, and the connection between two adjacent unit sections 1 is more reliable.

Two arc-shaped baffles 131 which protrude outwards are arranged on two sides of the inner side piece 13, a shielding part 1312 which protrudes in the length direction of the arc-shaped baffles 131 is formed at one end of each arc-shaped baffle 131, an avoiding groove 1311 into which the shielding part 1312 can be inserted is formed at the other end of each arc-shaped baffle 131, the top surface of each shielding part 1312 is flush with the top surface of each arc-shaped baffle 131, each avoiding groove 1311 is arranged to enable the shielding part 1312 to be inserted in the side direction, the shielding parts 1312 and the avoiding grooves 1311 of the two adjacent unit sections 1 can be inserted in the avoiding grooves 1311 to ensure the reliable butt joint of the arc-shaped baffles 131 of the two adjacent unit sections 1, one shielding part 1312 is arranged at the same end of the two arc-shaped baffles 131, the other avoiding groove 1311 is arranged at the other end of the two adjacent unit sections 1, and the shielding parts 1312 cannot enter the avoiding grooves 1311 when the two adjacent unit sections 1 are butted in the side direction, of course, if the two unit sections 1 are butted against each other by a butting mechanism for forward butting, the above problem does not exist, that is, the shielding portion 1312 or the avoiding groove 1311 is provided at the same end of the two arc-shaped baffles 131.

The shielding part 1312 is matched with the avoiding groove 1311 to shield the gap between the arc-shaped baffles 131 of the two adjacent unit sections 1, clothes are prevented from being clamped by the gap between the arc-shaped baffles 131 of the two adjacent unit sections 1, the use of the hula hoop is prevented from being influenced, the shielding part 1312 and the avoiding groove 1311 have a gap, a certain deformation space can be formed between the two adjacent unit sections 1 to adapt to hoop bodies A with different inner diameters, the length of the shielding part 1312 is 3-8 mm, the hoop bodies A with different inner diameters can be adapted in the length range, and the shielding reliability is guaranteed. Two arc-shaped track parts b which are oppositely arranged with the arc-shaped baffle 131 at intervals are arranged on two sides of the bottom of the middle part 12, the arc-shaped track parts b can be matched with the walking wheels 23 of the sliding seat 2, lateral grooves e for the walking wheels 23 to walk are formed between the arc-shaped track parts b and the arc-shaped baffle 131, as shown in detail in fig. 10 and 11, the outer side edges of the arc-shaped baffle 131 protrude out of the outer side edges of the arc-shaped track parts b, so that the walking wheels 23 can be shielded by the arc-shaped baffle 131, clothes are prevented from being drawn into the walking wheels 23, limiting bosses 133 are arranged on the end surfaces of the unit sections 1, the limiting bosses 133 are located between the two adjacent unit sections 1, the distance between the two adjacent unit sections 1 can be limited, and waist skin of an exerciser is prevented from being clamped due to the fact that the distance between the two adjacent unit sections 1 is too small due to deformation of the ring body A.

The sliding base 2 comprises two shells 21 which are oppositely buckled and connected, the two shells 21 comprise a mounting part 211 which is mutually connected and two side frames 212 which extend to two sides of the unit section 1, the inner sides of the two side frames 212 are provided with walking wheels 23, the walking wheels 23 are matched with the arc-shaped tracks b in a rolling way, as shown in detail in figure 11, the walking wheels 23 are connected with a wheel shaft 231 through bolts 232, wherein the wheel shaft 231 extends obliquely downward from the outside to the inside, the track surface of the corresponding arc track b extends obliquely downward from the outside to the inside, thus, the sliding seat 2 can be self-adaptively slid under the action of centrifugal force during the sliding process of the sliding seat 2, the mounting part 211 is provided with a counter 22 and a magnetic sensor, the inner side of the outer member 11 of one unit section 1 is provided with a groove 118 for mounting a magnet, during the rotation of the sliding base 2 around the ring body A, the magnetic sensor can detect the position of the magnet and feed back the position to the counter 22, and the counter 22 generates and displays the exercise times according to the signals fed back by the magnetic sensor.

The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents and modifications within the scope of the description.

Claims

1. A hula hoop unit section is characterized in that: one end of the unit section is provided with a slot with a lateral opening, the other end of the unit section is provided with an insertion part which can be inserted into the slot from the lateral opening, the unit section is provided with a switch mechanism which enables the insertion part to be kept in the slot, the switch mechanism comprises a sliding block and an elastic piece, the sliding block can be movably arranged on the unit section between a closing position and an opening position along the length direction of the unit section, when the sliding block is at the closing position, the sliding block blocks the lateral opening of the slot, when the sliding block is at the opening position, the sliding block opens the lateral opening of the slot, and the elastic piece drives the sliding block to move to the closing position.

2. A hula hoop unit section according to claim 1, wherein: the unit section is provided with a sliding groove extending along the sliding direction of the sliding block, and the sliding block is provided with a protruding part which can be slidably arranged in the sliding groove.

3. A hula hoop unit section according to claim 2, wherein: the top surface of slider is formed with along its slip direction extension's last bulge, the bottom surface of slider has along its slip direction extension's lower bulge, the unit festival is provided with last spout and lower spout with last bulge and lower bulge sliding fit.

4. A hula hoop unit section according to claim 1, wherein: and a convex operating part is formed on the outer side surface of the sliding block.

5. A hula hoop unit section according to claim 1, wherein: the elastic piece is a spiral spring.

6. A hula hoop unit section according to claim 5, wherein: one end of the sliding block is provided with a positioning rod inserted into the spiral spring.

7. A hula hoop unit section according to any one of claims 1 to 6, wherein: the inserting part is connected with the unit section through a connecting plate, and an end opening communicated with the slot to avoid the connecting plate is formed at the end part of the unit section.

8. A hula hoop unit section according to any one of claims 1 to 6, wherein: the slot is internally provided with a positioning convex strip extending along the length direction of the slot, and the inserting part is provided with a positioning groove matched with the positioning convex strip.

9. A hula hoop unit section according to any one of claims 1 to 6, wherein: the slot extends along the width direction of the unit section or the slot extends obliquely relative to the width direction of the unit section.

10. A hula hoop unit section according to any one of claims 1 to 6, wherein: the unit festival is the arc structure, the inboard both sides of unit festival are provided with two outside convex cowl, and cowl's one end is formed with convex occlusion part, and the other end is formed with the groove of dodging that supplies the occlusion part embedding, and one side in two cowl with the end sets up the occlusion part, and the other side sets up and dodges the groove.

11. A hula hoop unit section according to claim 10, wherein: two arc-shaped rails which are oppositely arranged with the arc-shaped baffle at intervals are arranged on two sides of the unit section.

12. A hula hoop unit section according to claim 11, wherein: the outside border of cowl protrudes the orbital outside border of arc.

13. A hula hoop unit section according to any one of claims 1 to 6, wherein: the unit section comprises an outer side part, an inner side part and an intermediate part arranged between the outer side part and the inner side part, the inserting part and the inserting groove are formed at two ends of the intermediate part, and the sliding block is arranged between the outer side part and the intermediate part.

14. A hula hoop unit section according to claim 13, wherein: the middle part is formed with a positioning insertion hole extending along the length direction thereof, and the outer side part is formed with a positioning insertion plate insertable into the positioning insertion hole.

15. A hula hoop unit section according to claim 13, wherein: the outer side part and the inner side part are connected through a first screw in a locking mode, a counter bore through which a first screw penetrates is formed in the inner side of the inner side part, and the outer side part and the middle part are connected through a second screw in a locking mode.

16. A hula hoop unit section according to claim 15, wherein: the inboard of interior side spare is provided with the elasticity massage head, the inboard of interior side spare is formed with the mounting hole, the second screw passes through the mounting hole and gets into in the unit section will the intermediate member with outside spare locking connection, the elasticity massage head have be located the inboard spacing portion of mounting hole, be located the massage portion in the mounting hole outside and connect the connecting portion between massage portion and spacing portion, massage portion is formed with the embedding end cap in the counter bore.

17. A hula hoop unit section according to claim 16, wherein: the top surface of the limiting part is provided with a deformation groove extending into the connecting part.

18. A hula hoop unit section according to any one of claims 1 to 6, wherein: and the end surface of the unit section is provided with a limiting boss.

19. The utility model provides a hula hoop, includes the hoop body, slide and weight, and the slide slidable sets up on the hoop body, and the weight is connected its characterized in that with the slide: the ring body is formed by connecting a plurality of unit sections according to any one of claims 1 to 18 end to end, the unit sections are of arc structures, and two adjacent unit sections are detachably connected through the insertion parts and the insertion grooves.

20. A hula hoop according to claim 19, wherein: the inboard both sides of unit festival are provided with two outside convex cowl, and cowl's one end is formed with convex occlusion part, and the other end is formed with the groove of dodging that supplies occlusion part side direction embedding, and one in two cowl's the same end sets up occlusion part, and another sets up dodges the groove, occlusion part with dodge the groove and have the clearance.

21. A hula hoop according to claim 20, wherein: the length of the shielding part is 3-8 mm.