阅读说明：本技术 伸缩单杠 (Telescopic horizontal bar ) 是由 谢昱顺 于 2020-05-31 设计创作，主要内容包括：本发明公开了一种伸缩单杠,包括具有内腔且两端设有插口的主管体；所述主管体的两端各自设有插入插口中且能沿着轴向自由滑动的伸缩杆,伸缩杆设有外螺纹；设有锁定部件螺纹连接在伸缩杆的外螺纹上,第一状态,锁定部件靠在主管体端部用以限制伸缩杆缩进主管体内,第二状态,旋转锁定部件与伸缩杆的相对转动以驱使伸缩杆伸出主管体,所述的伸缩的端部设有脚垫。本发明的伸缩调节快速,具体说伸缩杆直接与主管体滑动拉伸并用如螺母的锁定部件锁定,锁定部件在伸缩杆的外螺纹上可以快速的转动,拨动一下可以旋转十几圈,锁定部件顶紧主管体并且两者之间不易发生相对转动。(The invention discloses a telescopic horizontal bar, which comprises a main pipe body, a telescopic horizontal bar and a telescopic horizontal bar, wherein the main pipe body is provided with an inner cavity, and two ends of the main pipe body are provided with sockets; two ends of the main pipe body are respectively provided with a telescopic rod which is inserted into the socket and can freely slide along the axial direction, and the telescopic rod is provided with external threads; be equipped with locking part threaded connection on the external screw thread of telescopic link, first state, locking part leans on and is responsible for the end of the pipe body for the restriction telescopic link indentation internal, and the second state, the relative rotation of rotatory locking part and telescopic link stretches out in order to order about the telescopic link and is responsible for the body, flexible tip be equipped with the callus on the sole. The telescopic rod is fast in telescopic adjustment, particularly the telescopic rod is directly stretched with the main pipe body in a sliding mode and locked by the locking component such as the nut, the locking component can rotate on the external thread of the telescopic rod fast, the telescopic rod can rotate for more than ten circles after being stirred, the locking component abuts against the main pipe body, and relative rotation between the locking component and the main pipe body is not prone to occurring.)

1. The telescopic horizontal bar is characterized by comprising a main pipe body which is provided with an inner cavity and two ends of which are provided with sockets; two ends of the main pipe body are respectively provided with a telescopic rod which is inserted into the socket and can freely slide along the axial direction, and the telescopic rod is provided with external threads; be equipped with locking part threaded connection on the external screw thread of telescopic link, first state, locking part leans on and is responsible for the end of the pipe body for the restriction telescopic link indentation internal, and the second state, the relative rotation of rotatory locking part and telescopic link stretches out in order to order about the telescopic link and is responsible for the body, flexible tip be equipped with the callus on the sole.

2. The telescopic horizontal bar according to claim 1, wherein the rotation locking members at both ends of the main pipe body are forward when rotating on the external thread of the telescopic rod in the same direction, and advance to be close to the main pipe body when rotating in the forward direction.

3. The telescopic horizontal bar according to claim 1, wherein a mechanism for limiting relative rotation is provided between the telescopic rod and the main tube, the telescopic rod is provided with at least one groove extending in a length direction, and the corresponding end of the main tube is provided with a protrusion inserted into the groove.

4. The telescopic horizontal bar according to claim 1, wherein the telescopic rod is provided with a displacement limiting mechanism for the locking member, and the external thread of the telescopic rod is provided with a filling part/flat-sinking part for burying the thread pitch, and the filling part/flat-sinking part is arranged in the main pipe body.

5. The telescopic horizontal bar according to claim 1, wherein the telescopic rod is connected with a sliding damper, the maximum diameter of the sliding damper is attached to the inner wall of the inner cavity of the main tube, the telescopic rod is inserted into the center of the sliding damper, and the telescopic rod and the side edge of the sliding damper are provided with pin holes and fixed through pins.

6. The telescopic horizontal bar as claimed in claim 5, wherein the end of the main tube body is provided with a fixedly connected end cap, the end cap is provided with a central hole in the center, the diameter of the central hole is smaller than the diameter of the inner cavity of the main tube body, and the end cap limits the sliding damper from being detached.

7. The telescopic horizontal bar according to claim 1, wherein the end of the main body is provided with a fixedly connected end cap, the end cap is provided with a protrusion, the telescopic rod is provided with at least one groove extending along the length direction, and the protrusion is inserted into the groove.

8. The telescopic horizontal bar of claim 1, wherein the locking member is provided with a flat portion for gripping.

9. The telescopic horizontal bar as claimed in claim 6 or 7, wherein a resilient pressing means is provided between the locking member and the corresponding end of the main tube or between the locking member and an end cap provided at the corresponding end of the main tube.

10. Telescopic horizontal bar according to claim 9, characterised in that the elastically extruded means comprise a plastic layer attached to the end of the main tube body and to the locking part, or to the end cap and to the locking part.

Technical Field

The invention belongs to the field of fitness equipment, and particularly relates to a telescopic horizontal bar.

Background

The telescopic horizontal bar is used for being erected between door frames or between two walls, and the telescopic horizontal bar can be used for body building, such as pull-up movement.

One of them structure as disclosed in patent publication No. CN107929999A of flexible horizontal bar, including a main part, both sides are the flexible pipe of screw thread, the flexible pipe of screw thread and main part threaded connection rotate the flexible pipe of screw thread during flexible, rotatory speed determines the flexible speed of flexible pipe, and this kind of rotation is very slow, and secondly the main part in use can rotate, and the tight wall in top of flexible pipe is realized through the fastening of screw thread, and even 0.1mm can also make the flexible pipe of top at the wall take place to become flexible when the screw thread takes place to become flexible. Many complex structures like those disclosed in the patents assist the locking.

Another kind of structure as disclosed in patent publication No. CN209500613U of flexible horizontal bar, has the lead screw in a main part, and threaded connection telescopic link in lead screw both ends, telescopic link and mobile jib are flexible to be adjusted and are leaned on the telescopic link rotation to accomplish, and tensile regulation speed is very slow. And the telescopic rods at the two ends can extend outwards simultaneously only by rotating reversely, so that the use is not in line with the conventional thread rotating rule, and the consumers often rotate wrongly.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provide a telescopic horizontal bar.

The purpose of the invention can be realized by the following technical scheme: the telescopic horizontal bar comprises a main pipe body which is provided with an inner cavity and two ends of which are provided with sockets; two ends of the main pipe body are respectively provided with a telescopic rod which is inserted into the socket and can freely slide along the axial direction, and the telescopic rod is provided with external threads; be equipped with locking part threaded connection on the external screw thread of telescopic link, first state, locking part leans on and is responsible for the end of the pipe body for the restriction telescopic link indentation internal, and the second state, the relative rotation of rotatory locking part and telescopic link stretches out in order to order about the telescopic link and is responsible for the body, flexible tip be equipped with the callus on the sole.

Furthermore, the rotation locking components at the two ends of the main pipe body are forward when rotating on the external threads of the telescopic rod in the same direction, and the rotation locking components advance close to the main pipe body when rotating in the forward direction.

Furthermore, a mechanism for limiting relative rotation is arranged between the telescopic rod and the main pipe body, at least one groove extending along the length direction is arranged on the telescopic rod, a convex part is arranged at the end part corresponding to the main pipe body, and the convex part is inserted into the groove.

Furthermore, the telescopic rod is provided with a displacement limiting mechanism aiming at the locking part, the external thread of the telescopic rod is provided with a filling part for filling screw pitches/a flat-sinking part for destroying the tooth grains, and the filling part/the flat-sinking part is arranged in the main pipe body.

Furthermore, the telescopic link is connected with a sliding damper, the maximum diameter of the sliding damper is attached to the inner wall of the inner cavity of the main pipe body, the telescopic link is inserted into the center of the sliding damper, and pin holes are formed in the telescopic link and the side edge of the sliding damper and fixed through bolts.

Furthermore, the end part of the main pipe body is provided with an end cover which is fixedly connected, the center of the end cover is provided with a middle hole, the diameter of the middle hole is smaller than the diameter of the inner cavity of the main pipe body, and the end cover limits the sliding damper to be separated.

Furthermore, the end part of the main pipe body is provided with an end cover which is fixedly connected, the end cover is provided with a convex part, the telescopic rod is provided with at least one groove which extends along the length direction, and the convex part is inserted into the groove.

Further, the locking member is provided with a flat surface portion for holding.

Furthermore, an elastic extrusion mechanism is arranged between the locking component and the corresponding end part of the main pipe body, or between the locking component and an end cover arranged at the corresponding end part of the main pipe body.

Further, the resilient pressing means comprises a plastic layer attached to the end of the main tube body and the locking member, or to the end cap and the locking member.

Compared with the prior art, the telescopic rod is fast in telescopic adjustment, particularly the telescopic rod is directly stretched with the main pipe body in a sliding mode and locked by the locking component such as the nut, the locking component can fast rotate on the external thread of the telescopic rod, and the telescopic rod can rotate for more than ten circles after being stirred. The locking component is tightly propped against the main pipe body and relative rotation between the locking component and the main pipe body is not easy to occur.

Drawings

Fig. 1 is a schematic view of the locking state of the present invention.

Fig. 2 is a schematic view of the adjustable stretching telescopic rod of the present invention.

Fig. 3 is a schematic view of the relative rotation between the telescopic rod and the main tubular body of the present invention.

FIG. 4 is a schematic view of the internal slicing of the present invention.

Fig. 5 is an exploded view of the present invention.

In the figure, 1 a main pipe body; 2, sponge; 3, end cover; 31 a convex portion; 4, telescoping a rod; 41 grooves; 42 a filling part; 5, foot pads; 6 a locking member; 7 a plane part; 8 a sliding damper; 9, a nut; 10 pin holes; 11, and (b) a hole.

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, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps is not necessarily limited to those steps or modules expressly listed, but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus, and the division of such modules into blocks herein is merely a logical division that may be implemented in a practical application.

In fig. 1 of the present invention, a primary tube 1 is provided for a user to hold, and a sponge 2 is provided on the primary tube 1. The main tube body 1 has an inner cavity and is provided with sockets at both ends, preferably circular.

The two side sockets are inserted with independent telescopic rods 4 respectively, preferably, the telescopic rods 4 are cylinders or round tubes. The telescopic rod 4 and the main pipe body 1 are directly stretched and adjusted in the axial direction. Then, a locking component 6 is arranged to prevent the telescopic rod 4 from retracting into the inner cavity of the main pipe body 1. Meanwhile, the locking component 6 also has a function, and the adjustment of the locking component 6 drives the telescopic rod 4 to axially extend out of the main pipe body 1, so that a force acts between the two walls.

Preferably, the telescopic rod 4 is externally provided with an external thread, the locking member 6 is in threaded connection with the external thread, and the locking member 6 can rapidly rotate on the external thread. For example, a single tap can advance tens of pitches.

In fig. 2, the locking member 6 abuts against the end of the main pipe 1 to limit the telescopic rod 4 from retracting into the main pipe 1, or the relative rotation between the forward rotation locking member 6 and the telescopic rod 4 drives the telescopic rod 4 to extend out of the main pipe 1, it can be understood that the relative rotation between the reverse rotation locking member 6 and the telescopic rod 4 disengages the locking member 6 from the end of the main pipe 1.

Preferably, the relative rotation of the telescopic rod 4 and the main tubular body 1 needs to be limited, otherwise the locking member 6 is difficult to directly lock. Specifically, in fig. 3, one or more grooves 41 extending axially are formed on the outer wall of the telescopic rod 4, and the corresponding end of the main pipe 1 is provided with a protrusion 31, and the protrusion 31 is inserted into the groove 41 to limit the relative rotation between the telescopic rod 4 and the main pipe 1.

More preferably, an end cover 3 is disposed at an end of the main pipe 1, the end cover 3 is sleeved on the end of the main pipe 1, a protrusion 31 is disposed on the end cover 3, and the end cover 3 and the protrusion 31 can be integrally formed by injection molding. The end cap 3 is fixed relative to the main pipe 1, for example by screwing between the end cap 3 and the main pipe 1. For example, a notch is provided at the end of the main pipe 1, and a rotation restricting portion inserted into the notch is provided on the end cap 3.

Preferably, can not be too fast when 4 axial direct sliding of telescopic link, consequently need set up sliding damper 8, sliding damper 8 maximum diameter and the inner wall laminating of being responsible for 1 inner chamber of the body, another effect is that telescopic link 4 is inserted at sliding damper 8 center, and is built on stilts telescopic link 4 and being responsible for body 1 relatively, and the inner wall of being responsible for body 1 can not be touchhed at the screw thread position. The telescopic rod 4 and the sliding damper 8 are provided with pin holes 10 on the sides and fixed by bolts.

Preferably, the end cap 3 is centrally provided with a central hole 11, the diameter of the central hole 11 is smaller than the diameter of the inner cavity of the main pipe body 1, and the end cap 3 limits the sliding damper 8 from being detached. The telescopic rod 4 is prevented from being pulled to be separated from the main pipe body 1 within an overlarge range.

More preferably, a displacement limiting mechanism for the locking member 6 is provided to the telescopic rod 4 in order to provide a sufficient overlapping arm of force for the telescopic rod 4 in the main pipe 1, thereby providing stability and safety.

As shown in the figures 4-5 of the drawings,

specifically, scheme one, telescopic link 4 is equipped with the screw thread section that extends to the tip, also is equipped with smooth section, and the screw thread section is outwards, and during smooth section inslot inserted main pipe body 1, smooth section outer fringe diameter is not less than the biggest outer fringe diameter of screw thread section. Normally, smooth section is located and is responsible for body 1, and the smooth section exposes and is responsible for body 1 when adjusting the scope too big, therefore locking part 6 just can not advance to smooth section, and locking part 6 can not push against in the tip of being responsible for body 1. If the distance between the walls is larger than the adjustment distance of the horizontal bar, the horizontal bar with larger adjustment range is replaced.

In the second embodiment, the external thread of the telescopic rod 4 is provided with a filling portion 42 with a filling pitch/a flat portion for breaking the thread, for example, a pitch is spot-welded to the external thread or a pitch is ground, so that the locking member 6 is restricted from advancing. Normally, the filling portion 42 is located/recessed within the primary tube 1.

Preferably, a resilient pressing means is provided between the locking member 6 and the end cap 3 provided at the corresponding end of the main tube 1. The locking element 6 comprises a nut 9 fixed inside, the nut 9 being provided with a plastic layer on the outside, the nut 9 being clamped in between. The end cover 3 is also made of plastic, and when the end cover 3 and the locking part 6 are oppositely extruded in a face-to-face mode, the plastic layer on the outer layer of the nut 9 and the end cover 3 are deformed to prevent the thread withdrawing phenomenon caused by vibration.

Preferably, the locking member 6 is provided with a flat surface portion 7 for gripping, for the sake of gripping.

The ends of the two sections of telescopic rods 4 of the embodiment are provided with rubber foot pads 5.

When the telescopic pipe is used, the state is adjusted, the telescopic rods 4 at the two ends are quickly pulled to a certain position in the axial direction, the locking component 6 is stirred to rotate to limit the relative position of the telescopic rods 4 and the main pipe body 1, and then the locking component 6 is rotated in the forward direction after leaning against the end part of the main pipe body 1, so that the telescopic rods 4 slowly extend out to prop against the wall. The rotation locking components 6 at two ends of the main pipe body 1 can rotate forward and are close to the end part of the main pipe body 1, the forward rotation locking components 6 move forward, the reverse rotation locking components 6 move backward, and the backward rotation locking components 6 are far away from the end part of the main pipe body 1.

In the retreated state, the lock member 6 is rotated in the reverse direction.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.