CN211215151U

CN211215151U - Single-side fast-adjusting horizontal bar

Info

Publication number: CN211215151U
Application number: CN201921895726.0U
Authority: CN
Inventors: 谢昱顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-14
Filing date: 2019-11-05
Publication date: 2020-08-11
Anticipated expiration: 2029-11-05
Also published as: CN110124248A; WO2020248594A1; CN111298358A; CN211215149U; CN111298358B; CN211215150U; CN110787404A

Abstract

Unilateral quick adjustment horizontal bar, it includes the main part piece, and main part piece both ends are equipped with the through-hole, and the telescopic link on both sides inserts and can move along the through-hole axial in the through-hole, and the telescopic link outer end is equipped with touches and connects portion, and the telescopic link on both sides is parallel, and telescopic link one and main part piece relative rotation restriction are equipped with a plurality of displacement's locking structure between telescopic link two and the main part piece, or telescopic link two and main part piece threaded connection. Compared with the prior art, the utility model has the advantages that the fine adjustment of the other side can be realized, the horizontal bar can be adjusted more stably, and the safety is enhanced; the adjusting part has a self-locking effect under the condition that the adjusting part is not driven to rotate, so that the telescopic rod can be stably supported and is not easy to loosen.

Description

Single-side fast-adjusting horizontal bar

Technical Field

The utility model relates to a body-building apparatus field, especially a unilateral quick adjustment horizontal bar.

Background

The pull-up rod is important for everyone, is particularly beneficial to people for long-term fitness, is more and more convenient for people nowadays, can be used for fitness anytime and anywhere, and is generally used in the market at present in a mode of being fixed between door frames or between walls.

Such as the one disclosed in patent publication No. CN201537346U, which describes a multi-segment screw-connected telescopic tube, the length change being produced by rotation of the telescopic tube.

Also, there is disclosed an indoor multi-functional body-building pole as patent publication No. CN205699053U, including: intermediate lever, threaded rod, iron bar frame, but 90 rotatory hinges, threaded connection structure, dismounting rod, loose joint, through but 90 rotatory hinges and threaded connection cooperation, intermediate lever and threaded rod make it firm through middle fixed screw and interior nut connection, are the loose joint at both ends, link to each other with the axle of dismantling the change through threaded connection and realize the multi-functional body-building pole of detachable, accomplish the motion of indoor multi-functional body-building. However, the operation mode that the body-building rod with the structure needs to be fixed between the door frames or between the walls is inconvenient, the body-building rod can be loosened when being fixed between the door frames or between the walls, and a user can be injured if the body-building rod falls off when in use.

In view of the above, there is a need for a fitness horizontal bar with high safety, stability, fast adjustment and convenient operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a dismouting is more convenient, fixed more firm unilateral quick adjustment horizontal bar is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a single-side fast-adjusting horizontal bar comprises a main body piece, through holes are arranged at two ends of the main body piece, telescopic rods at two sides are inserted into the through holes and can move along the axial direction of the through holes, contact parts are arranged at the outer ends of the telescopic rods, the telescopic rods at two sides are parallel,

the first telescopic rod and the main body part are relatively limited in rotation, a gear set for input and output direction-changing transmission and a screw rod are arranged in the main body part, the gear set comprises a main tooth part and a driven tooth part, a threaded connecting part is arranged on the first telescopic rod, the screw rod is in threaded connection with the threaded connecting part, the screw rod is connected with the driven tooth part, the main tooth part is connected with an adjusting part, the adjusting part drives the main tooth part to rotate, the rotating axis of the main tooth part is perpendicular to the axis of the screw rod,

a locking structure which can move for a plurality of distances is arranged between the second telescopic rod and the main body piece.

The main tooth part comprises a first bevel gear, the driven tooth part comprises a second bevel gear, the axis of the first bevel gear is perpendicular to that of the second bevel gear, the axis of the second bevel gear is horizontal to that of the screw rod, and the second bevel gear is fixedly connected with the screw rod.

The main tooth part comprises a first bevel gear, the driven tooth part comprises two second bevel gears, the axes of the first bevel gears and the second bevel gears are perpendicular, the axes of the second bevel gears are horizontal to the axis of the screw rod, one of the second bevel gears is fixedly connected with the screw rod, the other second bevel gear is rotatably connected with the screw rod, and the two second bevel gears are distributed on two sides of the first bevel gear.

The main tooth portion comprises a circular tooth disc, annular teeth of the circular tooth disc are arranged on one surface of the circular tooth disc and comprise straight teeth/helical teeth, the driven tooth portion comprises a gear shaft, and one end of the gear shaft is provided with corresponding straight teeth/helical teeth.

The screw rod is connected with the shaft sleeve/bearing, the outer ring of the shaft sleeve/bearing is limited on the inner wall of the main body part, the threaded connection part on the telescopic rod comprises a nut, and the nut and the shaft sleeve/bearing are coaxial.

The main body piece is provided with a slotted hole, and the adjusting part is exposed from the slotted hole.

The telescopic rod is provided with a sliding groove in the axial direction, the main body part is fixedly connected with the sliding key, and the sliding groove in the telescopic rod slides in a matched manner with the sliding key.

The locking structure comprises pin holes formed in the main body part, the pin holes are not through holes, the second telescopic rod is connected with the elastic pins, and the elastic pins are sleeved on the pin holes of the main body part in a penetrating mode.

A single-side fast-adjusting horizontal bar comprises a main body piece, through holes are arranged at two ends of the main body piece, telescopic rods at two sides are inserted into the through holes and can move along the axial direction of the through holes, contact parts are arranged at the outer ends of the telescopic rods, the telescopic rods at two sides are parallel,

the second telescopic rod is in threaded connection with the main body piece.

the first telescopic rod and the main body part are limited in relative rotation, a gear set for input and output turning transmission is arranged in the main body part, a screw rod is arranged in the main body part, the gear set comprises a first worm wheel/worm connected with the adjusting part and a second worm wheel/worm connected with the screw rod, the first worm wheel/worm and the second worm wheel/worm are in vertical turning transmission, and the screw rod is connected with a threaded connection part of the first telescopic rod.

Compared with the prior art, the utility model has the advantages that the fine adjustment of the other side can be realized, the horizontal bar can be adjusted more stably, and the safety is enhanced; the adjusting part has a self-locking effect under the condition that the adjusting part is not driven to rotate, so that the telescopic rod can be stably supported and is not easy to loosen.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the background art and explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial exploded view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a sectional view of the first embodiment;

FIG. 5 is a partial enlarged view of the portion B in FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 4 at C;

FIG. 7 is a sectional view of the second embodiment;

FIG. 8 is an enlarged view of a portion of FIG. 7 at D;

FIG. 9 is a schematic diagram of a second gear set configuration.

In the figure: the device comprises a main body part 1, a window 1-1, a pin hole 1-2, a decorative shell 2, a mounting groove 2-1, a first mounting sleeve 3, a sliding key 3-1, a second mounting sleeve 4, a first telescopic rod 5, a sliding groove 5-1, a second telescopic rod 6, a spring pin 6-1, a mounting seat 7, an action plate 8, a handheld rotating part 9, a cover 10, a slotted hole 10-1, a spirit level 11, a first umbrella tooth 10, a first umbrella tooth 11, a second umbrella tooth 12, a screw rod 12, a worm wheel 13 and a worm screw 14.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example one

As shown in fig. 7-8, the single-side fast-adjusting horizontal bar mainly comprises a main body part 1, a decorative shell 2, two mounting sleeves, two telescopic rods, a contact part, a gear set and a screw rod 12.

The gear set can be mounted in the following two ways:

the first method is as follows: the gear train includes main tooth portion and driven tooth portion, and main tooth portion includes first bevel gear 10, and the up end of first bevel gear 10 is equipped with the regulation portion, and has seted up in the regulation portion can with handheld rotary tool 9 cooperation work hole of using.

Driven tooth portion includes two second bevel gears, second bevel gear 11 and second bevel gear two 12 promptly, second bevel gear 11 and second bevel gear two 12 are parallel to each other and are located the left and right sides of first bevel gear 10 respectively, the one end of second bevel gear 11 and second bevel gear two 12 all is equipped with the annular tooth with first bevel gear 10 meshing, the other end of second bevel gear 11 and second bevel gear two 12 all with wear to overlap the lead screw fixed connection in main part 1, perhaps the other end of second bevel gear two 12 is fixed in the inside of main part 1 and can be rotatory around the axle center of main part 1.

The second method comprises the following steps: as shown in fig. 9, the gear set includes a worm wheel connected with the adjusting part and a worm 14 connected with the screw rod 12, the worm wheel and the worm 14 are vertically driven in a reverse direction, a dispensing part is arranged at the center of the worm wheel 13, and a working hole capable of being used in cooperation with the handheld rotary tool 9 is formed in the adjusting part. One end of the worm 14 is fixedly connected with a lead screw which is sleeved in the main body 1, or is clamped in the main body 1 and can rotate around the axis of the main body 1.

The other end of the first second bevel gear 11 is fixedly connected with one end of the screw rod 12 through welding or threads, the first second bevel gear 11 is arranged in a bearing or a shaft sleeve, the outer wall of the bearing or the shaft sleeve is fixed with the inner wall of the main body part 1, and the first second bevel gear 11 can rotate relative to the bearing or the shaft sleeve. The other end of the screw rod 12 is screwed into a nut arranged at the front end of the first telescopic rod 5, the nut is attached to the inner wall of the main body part 1, a first mounting sleeve 33 is arranged at a through hole at the same side of the main body part 1, and a sliding key 3-1 arranged on the first mounting sleeve 33 is just clamped in a sliding groove 5-1 arranged on the first telescopic rod 5.

The first telescopic rod 5 is slow in adjustment, but is precisely adjusted, and can be self-locked after adjustment is finished.

The other section of the main body piece 1 is internally provided with a plurality of pin holes 1-2, one or a plurality of elastic pins 6-1 are arranged in the telescopic rod two 6, and the elastic pins 6-1 can be popped out from the pin holes 1-2. The second telescopic rod 6 can be rapidly pulled out and adjusted at a large interval.

For the aesthetic effect of outward appearance, can be equipped with a second installation cover 4 at the port of main part 1 other section, the outward appearance of second installation cover 4 is unanimous with the outward appearance of first installation cover 3.

The middle section of the main body part 1 is provided with a window 1-1, the adjusting part arranged on the gear group extends out of the window 1-1 of the main body part 1, the adjusting part is sleeved in a slotted hole 10-1 of the cover 10 in a penetrating way, and the decorative shell 2 is sleeved on the outer rings of the main body part 1 and the cover 10 and used for fixing the direction of the gear group and the position of the first bevel gear 10.

The side edge of the decorative shell 2 is provided with a level gauge 11 for correcting the level and a mounting groove 2-1 for mounting the handheld rotary tool 9. The adjusting part is provided with a geometric shape working hole, and the handheld rotary tool 9 is used for matching with the geometric shape working hole to perform selective adjustment after being detached.

The outer ends of the first telescopic rod 5 and the second telescopic rod 6 are respectively provided with a mounting seat 7, an anti-skid acting plate 8 attached to the wall surface is arranged in the mounting seats 7, and the plane where the acting plate 8 is attached to the wall surface or the plate surface is a cambered surface with a slightly concave center.

The acting plate 8 can be made of EVA, rubber, TPR and other anti-skid materials.

When the horizontal bar is installed, the stretching position of the second telescopic rod 6 is determined through the elastic pin 6-1, the length of the horizontal bar is the approximate distance between two walls, so that the horizontal bar can be barely prevented from slipping off between the two walls, the level meter 11 is kept horizontal, the handheld rotary tool 9 is used and installed in a working hole of the adjusting portion, the handheld rotary tool 9 is rotated, the first fine-tuning telescopic rod 5 extends out of the main body part 1 until the handheld rotary tool 9 cannot rotate, and installation is finished.

Example two

As shown in fig. 1-6, the single-side fast-adjusting horizontal bar mainly comprises a main body part 1, a decorative shell 2, two mounting sleeves, two telescopic rods, a contact part, a gear set and a screw rod 12.

The gear set can be mounted in the following two ways:

The other end of the second bevel gear I11 or the worm 14 is fixedly connected with one end of the screw rod 12 through welding or threads, the second bevel gear I11 is arranged in a bearing or a shaft sleeve, the outer wall of the bearing or the shaft sleeve is fixed with the inner wall of the main body part 1, and the second bevel gear I11 can rotate relative to the bearing or the shaft sleeve. The other end of the screw rod 12 is screwed into a nut arranged at the front end of the first telescopic rod 5, the other end of the screw rod 12 is provided with threads and is screwed into the nut arranged at the front end of the first telescopic rod 5, the nut is attached to the inner wall of the main body part 1, a first mounting sleeve 33 is arranged at the port at the same side of the main body part 1, and a sliding key 3-1 arranged on the first mounting sleeve 33 is just clamped in a sliding groove 5-1 arranged on the first telescopic rod 5.

The inside of another section of main part 1 is equipped with the internal thread, and the front end of telescopic link two 6 is equipped with the external screw thread, through the internal thread of main part 1 and the external screw thread rotary meshing of telescopic link two 6, telescopic link two 6 moves inside and outside along the axial lead direction in main part 1. The main body part 1 and the second telescopic rod 6 are in threaded connection with a large thread pitch, and rapid axial telescopic movement can be achieved.

The side edge of the decorative shell 2 is provided with a level gauge 11 for correcting the level and a mounting groove 2-1 for mounting the handheld rotary tool 9.

The mounting seats 7 are mounted at the rear ends of the first telescopic rod 5 and the second telescopic rod 6, the mounting seats 7 are internally provided with anti-skid action plates 8 attached to the wall surface, and the planes of the action plates 8 attached to the wall surface or the plate surface are cambered surfaces with slightly concave centers.

When the horizontal bar is installed, the length of the second 6 rotating telescopic rods to the horizontal bar is the approximate distance between the two wall surfaces, so that the horizontal bar can be barely prevented from sliding off between the two wall surfaces, the level meter 11 is kept horizontal, the handheld rotating tool 9 is used and installed in a working hole of the adjusting portion, the rotating handheld rotating tool 9 rotates, the first fine adjustment telescopic rod 5 extends out of the main body part 1 and cannot rotate until the handheld rotating tool 9 rotates, and installation is finished.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A single-side fast-adjusting horizontal bar comprises a main body piece, through holes are arranged at two ends of the main body piece, telescopic rods at two sides are inserted into the through holes and can move along the axial direction of the through holes, contact parts are arranged at the outer ends of the telescopic rods, the telescopic rods at two sides are parallel, the single-side fast-adjusting horizontal bar is characterized in that,

2. The single-sided fast-adjusting horizontal bar as recited in claim 1, wherein the primary gear portion comprises a first bevel gear, the secondary gear portion comprises a second bevel gear, the first bevel gear and the second bevel gear are perpendicular in axial center, the second bevel gear is horizontal to the axial center of the screw, and the second bevel gear is fixedly connected to the screw.

3. The single-sided fast-adjusting horizontal bar as claimed in claim 1, wherein the primary gear portion comprises a first bevel gear, the secondary gear portion comprises two second bevel gears, the first bevel gear and the second bevel gear are perpendicular to each other in axial center, the axial center of the second bevel gear is horizontal to the axial center of the screw rod, one of the second bevel gears is fixedly connected with the screw rod, the other second bevel gear is rotatably connected with the screw rod, and the two second bevel gears are distributed on two sides of the first bevel gear.

4. The single-sided fast-adjusting horizontal bar as recited in claim 1, wherein the primary tooth portion comprises a circular toothed disc, the annular teeth of the circular toothed disc are disposed on one side of the circular toothed disc, the annular teeth comprise straight/helical/spiral teeth, the driven tooth portion comprises a gear shaft, and one end of the gear shaft is provided with corresponding straight/helical/spiral teeth.

5. The single-sided quick-adjustment horizontal bar as claimed in claim 1, wherein the lead screw is connected to a sleeve/bearing, an outer race of the sleeve/bearing is constrained to an inner wall of the main body, and the threaded connection on the telescoping rod comprises a nut, the nut being coaxial with the sleeve/bearing.

6. The single-sided quick adjustment horizontal bar as recited in claim 1, wherein the body member defines a slot, and the adjustment portion is exposed from the slot.

7. The single-sided quick-adjustment horizontal bar as claimed in claim 1, wherein the telescopic rod is provided with a sliding groove in the axial direction, the main body member is fixedly connected with the sliding key, and the sliding groove on the telescopic rod is matched with the sliding key to slide.

8. The single-sided quick-adjustment horizontal bar as claimed in claim 1, wherein the locking structure comprises a pin hole formed in the main body member, the pin hole is not a through hole, the second telescopic rod is connected with an elastic pin, and the elastic pin is sleeved on the pin hole of the main body member.

9. A single-side fast-adjusting horizontal bar comprises a main body piece, through holes are arranged at two ends of the main body piece, telescopic rods at two sides are inserted into the through holes and can move along the axial direction of the through holes, contact parts are arranged at the outer ends of the telescopic rods, the telescopic rods at two sides are parallel, the single-side fast-adjusting horizontal bar is characterized in that,

the second telescopic rod is in threaded connection with the main body piece.

10. A single-side fast-adjusting horizontal bar comprises a main body piece, through holes are arranged at two ends of the main body piece, telescopic rods at two sides are inserted into the through holes and can move along the axial direction of the through holes, contact parts are arranged at the outer ends of the telescopic rods, the telescopic rods at two sides are parallel, the single-side fast-adjusting horizontal bar is characterized in that,