CN211935426U

CN211935426U - Pull-up device

Info

Publication number: CN211935426U
Application number: CN202020602107.4U
Authority: CN
Inventors: 吕俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-11-17
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a pull-up device, which comprises a connecting rod, wherein a main rod is arranged at two ends of the connecting rod, a locking mechanism is arranged on the main rod, a slide bar arranged on the main rod is fixed on the main rod through the locking mechanism, the locking mechanism comprises a base sleeved on the main rod, a locking cover is in threaded connection on the base, and a limit boss for limiting the slide bar is also arranged between the base and the locking cover; by opening and closing the locking mechanism, the main rod and the sliding rod can slide relatively and can also be locked, so that the whole length of the device is convenient to adjust; owing to set up spacing boss, the restriction slide bar is at the inside circumference of mobile jib and rotates, and then more reliable and more stable when guaranteeing the device and using, through above-mentioned technical scheme the utility model discloses not only solved and done the problem of chin upward movement receiving material restriction, but also solved the problem that leads to the motion to be interrupted because of whole rotation when current equipment uses, consequently the utility model discloses be worth promoting and using.

Description

Pull-up device

Technical Field

The utility model relates to a sports training equipment application technical field specifically is a chin-up device.

Background

When the pull body is made at home, the door frame is generally utilized to carry out pull body upward exercise, but the door frame cross beam can not be held by both hands, the cross beam is buckled by fingers to carry out pull body upward exercise, discomfort and easy release of the hands exist, and the problem of potential safety hazard exists. Although corresponding exercise equipment is available on the market, such as an indoor body-up device with application number CN201520393397.5, the technical solution thereof includes a rubber gasket, two side telescopic bars, a handle sleeve, an inner nut, a middle fixing screw, a metal claw cover, a main lever, a built-in metal cushion block, a middle bar, a threaded bar and a protection ring; the metal claw covers are fixedly connected to two ends of the telescopic bars at two sides, and rubber gaskets are arranged inside the metal claw covers; the middle lever is arranged in the middle of the pull-up device, and the main lever is movably connected with the middle lever through a threaded jaw; the two telescopic bars are movably connected with the middle bar; the middle lever and the main lever are internally provided with a threaded lever, a built-in metal cushion block is arranged in the middle of the threaded lever, and the threaded lever and the built-in metal cushion block are fixed by middle fixing screws. But during the use process, the equipment main bodies are cylindrical, so that the equipment main bodies are easy to rotate mutually, and the exercise is frequently interrupted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chin underlying device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pull-up device comprises a connecting rod, wherein main rods are arranged at two ends of the connecting rod, a sliding rod is connected inside the main rods in a sliding manner, and grooves are formed in the circumferential surface of the sliding rod; the sliding rod is locked on the main rod through a locking mechanism; the locking mechanism comprises a base sleeved on the main rod, a locking cover in threaded connection with the base and a limiting boss arranged between the locking cover and the base; and a lug boss which is used for being inserted into the groove is arranged inside the limiting boss.

As the utility model discloses a preferred technical scheme: the circumference of the base of the locking mechanism is circumferentially arrayed with bulges, and the circumference of the lower bottom surface of the limiting boss is circumferentially arrayed with convex columns which are inserted in a gap between the two bulges.

As the utility model discloses a preferred technical scheme: the one end of mobile jib is equipped with the slot, just the base through the bolt that is equipped with on its inner wall with slot looks adaptation is connected.

As the utility model discloses a preferred technical scheme: the inner wall of locking lid is equipped with the screw thread, just the outer wall of locking lid is equipped with vertical antiskid groove.

As the utility model discloses a preferred technical scheme: the main rod is further sleeved with a handle sleeve made of high-elasticity sponge, and the handle sleeve is provided with an annular ring groove.

As the utility model discloses a preferred technical scheme: and a round table is further arranged at one end of the sliding rod, which is far away from the main rod.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that: by opening and closing the locking mechanism, the main rod and the sliding rod can slide relatively and can also be locked, so that the whole length of the device is convenient to adjust; owing to set up spacing boss, the restriction slide bar is at the inside circumference of mobile jib and rotates, and then more reliable and more stable when guaranteeing the device to use, through above-mentioned technical scheme the utility model discloses not only solved and done the problem of chin upward movement receiving material restriction, but also solved the problem that leads to the motion to break off because of whole rotation when current equipment uses.

Drawings

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

fig. 2 is a partially enlarged schematic view of the main rod of the present invention;

fig. 3 is an exploded schematic view of the locking mechanism of the present invention;

fig. 4 is a schematic structural view of the slide bar and the circular truncated cone of the present invention.

In the figure: 1. a circular truncated cone; 14. a slide bar; 15. a groove; 2. a locking mechanism; 21. a base; 22. a locking cover; 23. an anti-slip groove; 24. a bump; 25. a limiting boss; 26. a convex column; 27. a thread; 28. a bolt; 29. a protrusion; 3. a handle sleeve; 30. a ring groove; 4. a main rod; 41. a slot; 5. a connecting rod.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "upper surface", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment based on the prior art: a pull-up device comprises a connecting rod 5, wherein main rods 4 are arranged at two ends of the connecting rod 5, a sliding rod 14 is connected inside the main rods 4 in a sliding manner, and a groove 15 is formed in the circumferential surface of the sliding rod 14; the sliding rod 14 is also locked on the main rod 4 through a locking mechanism 2; the locking mechanism 2 comprises a base 21 sleeved on the main rod 4, a locking cover 22 in threaded connection with the base 21, and a limiting boss 25 arranged between the locking cover 22 and the base 21; and a bump 24 used for being inserted into the groove 15 is arranged inside the limiting boss 25. By opening and closing the locking mechanism 2, the main rod 4 and the sliding rod 14 can slide relatively and can also be locked, so that the whole length of the device is convenient to adjust; owing to set up spacing boss 25, restriction slide bar 14 is at the inside circumferential rotation of mobile jib 4, and then more reliable and more stable when guaranteeing the device to use, through above-mentioned technical scheme the utility model discloses not only solved and done the problem that the chin moved to receive the restriction of material, but also solved the problem that leads to the motion to be interrupted because of the whole rotation when current equipment uses.

The circumference of the base 21 of the locking mechanism 2 is circumferentially arrayed with protrusions 29, the circumference of the lower bottom surface of the limiting boss 25 is circumferentially arrayed with convex columns 26, the convex columns 26 are inserted into the gap between the two protrusions 29, and the convex columns 26 are inserted into the gap between the two protrusions 29 to limit the mutual rotation between the base 21 and the limiting boss 25, and the locking cover 22 is matched to enable the locking force of the device to be stronger, so that the device is further guaranteed not to circumferentially rotate when in use, and the reliability of the device is further improved.

Further optimize the stability of the device, the one end of mobile jib 4 is equipped with slot 41, just base 21 through the bolt 28 that is equipped with on its inner wall with slot 41 looks adaptation is connected, utilizes the looks adaptation block of bolt 28 and slot 41, and further rotation between restriction mobile jib 4 and the base 21, consequently also no longer rotates after making locking between mobile jib 4 and the base 21, and then does not rotate when guaranteeing the whole use of the device, further promotion the device's reliable performance.

Because when taking exercise, often can sweat, lead to screwing up locking lid 22 and easily skid, and then lead to because of not locking the unexpected condition of appearance, the inner wall of locking lid 22 is equipped with screw thread 27, just the outer wall of locking lid 22 is equipped with vertical antiskid groove 23.

Further, still the cover is equipped with the handle cover 3 that high elasticity sponge made on mobile jib 4, and be equipped with annular 30 on the handle cover 3, set up the gripping of being convenient for of handle cover 3, set up annular 30 simultaneously and solved and appear the problem of skidding when leading to the gripping because of perspiring.

The sliding rod 14 is further provided with a circular truncated cone 1 at one end far away from the main rod 4, and due to the fact that the circular truncated cone 1 is arranged, the device can be clamped between the door frames conveniently, the contact area between the device and the door frames is increased, and the device is located between the door frames more stably.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A pull-up applicator, comprising: the device comprises a connecting rod (5), wherein two ends of the connecting rod (5) are provided with a main rod (4), a sliding rod (14) is connected inside the main rod (4) in a sliding manner, and a groove (15) is formed in the circumferential surface of the sliding rod (14);

the sliding rod (14) is also locked on the main rod (4) through a locking mechanism (2);

the locking mechanism (2) comprises a base (21) sleeved on the main rod (4), a locking cover (22) in threaded connection with the base (21), and a limiting boss (25) arranged between the locking cover (22) and the base (21);

and a bump (24) which is used for being spliced with the groove (15) is arranged in the limiting boss (25).

2. A pull-up according to claim 1 wherein: the circumference of the base (21) of the locking mechanism (2) is circumferentially arrayed with protrusions (29), the lower bottom surface of the limiting boss (25) is circumferentially arrayed with convex columns (26), and the convex columns (26) are inserted into a gap between the two protrusions (29).

3. A pull-up according to claim 1 wherein: one end of the main rod (4) is provided with a slot (41), and the base (21) is connected with the slot (41) in a matching way through a bolt (28) arranged on the inner wall of the base.

4. A pull-up according to claim 1 or 2 or 3, wherein: the inner wall of locking lid (22) is equipped with screw thread (27), just the outer wall of locking lid (22) is equipped with vertical antiskid groove (23).

5. A pull-up according to claim 1 wherein: the handle sleeve (3) made of high-elasticity sponge is further sleeved on the main rod (4), and an annular ring groove (30) is formed in the handle sleeve (3).

6. A pull-up according to claim 1 or 5, wherein: and a circular truncated cone (1) is further arranged at one end, far away from the main rod (4), of the sliding rod (14).