CN112451898B - Anti-loose horizontal bar - Google Patents
Anti-loose horizontal bar Download PDFInfo
- Publication number
- CN112451898B CN112451898B CN202011573852.1A CN202011573852A CN112451898B CN 112451898 B CN112451898 B CN 112451898B CN 202011573852 A CN202011573852 A CN 202011573852A CN 112451898 B CN112451898 B CN 112451898B
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- Prior art keywords
- pawl
- inner tube
- outer tube
- tube
- sleeve
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- 229920000742 Cotton Polymers 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B1/00—Horizontal bars
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to an anti-loose horizontal bar which comprises a main frame, wherein the main frame is mainly formed by combining an outer tube, a left inner tube, a right inner tube, a screw rod and two ends of a foot support, and the rotatable direction between the inner tube and the outer tube is controlled through pawl combination between the left inner tube and the outer tube. The invention adds a ratchet mechanism capable of reversing positively and negatively between the inner tube and the outer tube of the single rod, and rotates the adjusting button to the locking direction during installation. During the installation and use process, the left-handed inner tube and the right-handed inner tube can only be rotated and stretched outwards, but cannot be rotated and shortened inwards. This ensures that the more the extension is used to grip the wall or door frame on the side support surface before removal. Because the reverse direction cannot rotate, only the locking can be realized, but the locking cannot be loosened. When the rotary knob is required to be disassembled, the rotary knob can be easily unscrewed by only reversing the rotary knob.
Description
Technical Field
The invention relates to the field of fitness equipment, in particular to a locking horizontal bar.
Background
With the development of society, people's living standard is improved, and the maintenance and exercise of the body are also more and more important. The more the need for exercise equipment. Particularly, the horizontal bar product is light and portable, almost occupies no use space, and is particularly suitable for families. However, most of the products on the market are not provided with a locking mechanism, so that looseness in use is easy to cause accidents. The small part of the shoe sole is also fixedly locked, and looseness caused by compression thinning or deformation of the pressure bearing surface of the shoe sole after long-time use cannot be eliminated.
Disclosure of Invention
The invention aims to provide a locking horizontal bar, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a locking horizontal bar is mainly formed by combining an outer tube, a left inner tube, a right inner tube, a screw rod combination and two ends of a foot support, wherein the rotatable direction between the inner tube and the outer tube is controlled through a pawl combination between the left inner tube and the right inner tube and between the outer tube. The specific structure is as follows: including the outer tube, the cover has middle bubble cotton on the outer tube, and the both ends cover that is close to the outer tube has the bubble cotton of shaking hands, and this has the screw rod subassembly in the outer tube, and the both ends of outer tube are connected with left inner tube and right inner tube respectively through the screw rod subassembly, and the outer end of left inner tube and right inner tube all is connected with the heel brace through the pipe plug, all is equipped with pawl subassembly between left inner tube and right inner tube and the outer tube.
The invention further improves that: the outer sides of the foot supports are provided with foot support pads.
The invention further improves that: the pawl assembly comprises a pawl positioning sleeve and a pawl sleeve cover, and the pawl positioning sleeve is connected with the pawl sleeve cover through a screw. A positioning boss and a positioning groove are arranged on the pawl positioning sleeve; the pawl sleeve cover is provided with a shifting block hole; a positive and negative shifting block is assembled in the pawl positioning sleeve, and a platform and a screw hole are arranged on the positive and negative shifting block; a positive and negative knob is arranged above the positive and negative shifting block; the left pawl and the right pawl are respectively arranged on two sides of the positive and negative shifting block; the left side of the left pawl is provided with a left pressure spring, and the right side of the right pawl is provided with a right pressure spring; an outer tube gear sleeve is arranged above the left pawl and the right pawl, and teeth and grooves are arranged on the outer tube gear sleeve. The positive and negative shifting block connected with the positive and negative knob ensures that the positive and negative shifting block and the positive and negative knob keep rotating in the same direction through a platform arranged on the positive and negative shifting block. When the positive and negative knob is in the loosening position, the positive and negative shifting block is in the right high left bottom position, at the moment, the left circular arc surface of the positive and negative shifting block compresses the left pawl, the left pressure spring is compressed, and the left pawl is separated from the teeth on the outer tube gear sleeve. The right pawl is pressed on the right side plane of the positive and negative shifting block due to the resilience force of the right pressure spring, and the position of the right pawl can just clamp the teeth on the outer tube gear sleeve. In this state, the right pawl is blocked in the left direction, and only the right direction is supported by the right pressure spring, so that the outer tube gear sleeve can only rotate anticlockwise and cannot rotate clockwise. Similarly, when the positive and negative knob is rotated to the right side, the positive and negative shifting block is arranged at the left high and right bottom position, at the moment, the right circular arc surface of the positive and negative shifting block compresses the right pawl, the right pressure spring is compressed, and the right pawl is separated from the teeth on the outer tube gear sleeve. The left pawl is pressed on the left plane of the positive and negative shifting block due to the rebound force of the left pressure spring, and the position of the left pawl can just clamp the teeth on the outer tube gear sleeve. In this state, the left pawl is blocked in the rightward direction, and only the leftward direction is supported by the left compression spring, so that the outer tube gear sleeve can only rotate clockwise and cannot rotate counterclockwise.
The invention further improves that: several outer tube bosses are uniformly arranged at two ends of the outer tube; the left inner tube is provided with a right-hand plug and a left inner tube groove, and the right inner tube is provided with a left-hand plug and a right inner tube groove. The screw assembly is provided with a right threaded end, a left threaded end and a screw fixing block, and the heel brace is provided with a heel brace boss.
Several bosses are uniformly arranged at two ends of the outer tube, and several matched grooves are formed in the outer tube gear sleeve, and the outer tube gear sleeve is tightly sleeved with the bosses of the outer tube through the grooves. Thus, the outer tube and the outer tube gear sleeve form a whole, and the outer tube gear sleeve rotates simultaneously when the outer tube rotates. The pawl locating sleeve and the pawl sleeve cover are locked by the screw to form a whole, and the locating boss arranged on the pawl locating sleeve is clamped in the groove of the right inner tube, so that the whole formed by the right inner tube, the pawl locating sleeve and the pawl sleeve cover can not rotate relatively and can only move mutually in the length direction. Similarly, the right inner tube is tightly propped against the heel brace through the tube plug, and at the moment, the right inner tube groove on the right inner tube is matched with the heel brace boss, so that the right inner tube and the heel brace are also equivalent to a whole in the circumferential direction, can not rotate relatively and can only move mutually in the length direction. The screw rod combination is arranged in the outer tube in the middle and is fixed with the outer tube through a screw rod fixing block (welded or riveted). Thus, when the outer tube is rotated, the screw rod combination brought into the inner tube is rotated, and the right-hand plug and the left-hand plug in the left and right inner tubes are driven to correspondingly rotate through the left-hand threaded end and the left-hand and right-hand threads of the right-hand threaded end which are arranged at the two ends of the screw rod combination. When in installation and use, one hand can hold the outer tube, and the other hand rotates the left inner tube and the right inner tube in turn to adjust to be close to the width of a door frame or other supporting walls to be installed. Then the anti-loose horizontal bar is plugged into the frame, the outer tube is rotated anticlockwise, and the right inner tube can only move to the right side after being limited to rotate due to the left-handed plug matched in the right inner tube. Similarly, the right-handed plug is arranged in the left inner tube, so that the left inner tube can move leftwards at the moment, and the aim of locking is fulfilled. Because of the effect of the pawl combination, before the positive and negative knob is not stirred, the outer tube can only rotate anticlockwise, that is to say, the horizontal bar can only be locked and cannot be loosened, and the anti-loosening purpose is achieved. In the long-time use process, if the heel brace pad is compressed and thinned or the supporting surface is deformed, the horizontal bar may be loosened, but because the outer tube which is gripped can be passively rotated along with the force of a user in the use process, and can only rotate in the anticlockwise direction, the inner tubes at two sides can be naturally stretched outwards, and the deformed part of the heel brace pad is compressed and thinned or the supporting surface is complemented. The horizontal bar is always in a locking state, so that the use safety is ensured. If the outer tube is to be detached, the outer tube can be easily removed by only adjusting the positive and negative knob to the other side and rotating the outer tube clockwise.
Compared with the prior art, the invention has the beneficial effects that:
The invention adds a ratchet mechanism capable of reversing positively and negatively between the inner tube and the outer tube of the single rod, and rotates the adjusting button to the locking direction during installation. During the installation and use process, the left-handed inner tube and the right-handed inner tube can only be rotated and stretched outwards, but cannot be rotated and shortened inwards. Therefore, before the disassembly, the long and long support surfaces can be ensured, and the support surfaces can be clamped on the wall bodies or door frames on two sides. Because the reverse direction cannot rotate, the locking can only be realized and the locking cannot be loosened. When the rotary knob is required to be disassembled, the rotary knob can be easily unscrewed by only reversing the rotary knob.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the internal cross-sectional structure of the present invention;
FIG. 3 is a perspective view of the pawl combination portion of the present invention;
FIG. 4 is a schematic view of the construction of the pawl assembly portion of the present invention;
FIG. 5 is an exploded view of the pawl assembly of the present invention;
FIG. 6 is an exploded view of the present invention;
FIG. 7 is an enlarged schematic view of a portion of a temple of the present invention;
1. An outer tube; 2. A left inner tube; 3. a right inner tube; 4. a pawl assembly; 5. holding foam; 6. a middle foam; 7. a foot support; 8. a foot support pad; 9. a pipe plug; 10. a screw assembly; 11. a screw; 12. a dial block screw;
1.1, outer tube boss; 2.1, right-handed plugs; 2.2, left inner tube groove; 3.1, a left-handed plug; 3.2, right inner tube groove; 4.1, positive and negative knobs; 4.2, a forward and reverse shifting block; 4.2.1, a platform; 4.2.2, screw holes; 4.3.1, left pawl; 4.3.2, right pawl; 4.4.1, left compression spring; 4.4.2, right compression spring; 4.5, outer tube gear sleeve; 4.5.1 teeth; 4.5.2, grooves; 4.6, pawl positioning sleeve; 4.6.1, positioning boss; 4.6.2, positioning grooves; 4.7, pawl sleeve cover; 4.7.1, a shifting block hole; 7.1, a right-handed thread end of the heel brace boss 10.1; 10.2, left-handed thread ends; 10.3, screw fixing blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 for specific structure, the present embodiment provides a technical solution: the utility model provides a locking horizontal bar, includes outer tube 1, and the cover has middle bubble cotton 6 on the outer tube 1, and the both ends cover that is close to outer tube 1 has handles bubble cotton 5, this has screw rod subassembly 10 in the outer tube 1, and the both ends of outer tube 1 are connected with left inner tube 2 and right inner tube 3 respectively through screw rod subassembly 10, and the outer end of left inner tube 2 and right inner tube 3 all is connected with heel brace 7 through pipe plug 9. The outer sides of the foot supports 7 are respectively provided with a foot support pad 8, so that the contact area with the supporting surface is increased, the downward sliding resistance of the product during use is increased, and the safety of a user is ensured. Pawl assemblies 4 are arranged between the left inner tube 2 and the right inner tube 3 and the outer tube 1, and the rotatable directions between the inner tube and the outer tube are controlled through the pawl assemblies 4.
The pawl assembly 4 includes a pawl positioning sleeve 4.6 and a pawl sleeve cover 4.7, the pawl positioning sleeve 4.6 and the pawl sleeve cover 4.7 being connected by a screw 11.
A positioning boss 4.6.1 and a positioning groove 4.6.2 are arranged on the pawl positioning sleeve 4.6; the pawl sleeve cover 4.7 is provided with a shifting block hole 4.7.1; a positive and negative shifting block 4.2 is assembled in the pawl positioning sleeve 4.6, and a platform 4.2.1 and a screw hole 4.2.2 are arranged on the positive and negative shifting block 4.2; a positive and negative knob 4.1 is arranged above the positive and negative shifting block 4.2; the two sides of the front and back shifting block 4.2 are respectively provided with a left pawl 4.3.1 and a right pawl 4.3.2; the left side of the left pawl 4.3.1 is provided with a left pressure spring 4.4.1, and the right side of the right pawl 4.3.2 is provided with a right pressure spring 4.4.2; an outer tube gear sleeve 4.5 is arranged above the left pawl 4.3.1 and the right pawl 4.3.2, and teeth 4.5.1 and grooves 4.5.2 are arranged on the outer tube gear sleeve 4.5.
Several outer tube bosses 1.1 are uniformly arranged at two ends of the outer tube 1; the left inner pipe 2 is provided with a right-hand plug 2.1 and a left inner pipe groove 2.2, and the right inner pipe 3 is provided with a left-hand plug 3.1 and a right inner pipe groove 3.2.
The heel brace 7 is provided with a heel brace boss 7.1. The screw assembly 10 is provided with a right threaded end 10.1, a left threaded end 10.2 and a screw fixing block 10.3.
The positive and negative knob 4.1 is shifted to the loosening position, the positive and negative shifting block 4.2 is arranged at the right high left bottom position, at the moment, the left arc surface of the positive and negative shifting block 4.2 compresses the left pawl 4.3.1, the left pressure spring 4.4.1 is compressed, and the left pawl 4.3.1 is separated from the tooth 4.5.1 on the outer tube gear sleeve 4.5. The right pawl 4.3.2 is pressed on the right side plane of the forward and reverse shifting block 4.2 due to the rebound force of the right pressure spring 4.4.2, and the position of the right pawl 4.3.2 can just clamp the teeth on the outer tube gear sleeve 4.5. Since the right pawl 4.3.2 is blocked in this state in the leftward direction, only in the rightward direction is supported by the right compression spring 4.4.2, the outer tube gear sleeve 4.5 can only rotate counterclockwise and cannot rotate clockwise at this time. At this time, the right inner tube 3 is limited from rotating due to the cooperation of the right inner tube groove 3.2, the heel brace boss 7.1 and the positioning boss 4.6.1 on the pawl positioning sleeve 4.6. Therefore, when the outer tube 1 drives the screw rod assembly 10 riveted together to rotate anticlockwise, the left-handed thread end 10.2 drives the left-handed plug 3.1 on the right inner tube 3 to move leftwards, so that the right inner tube 3 is driven to move leftwards, and the horizontal bar can be loosened. In order to prevent the two side pawl assemblies 4 from being in different positions to cause interference of forward and reverse rotation directions, the two side forward and reverse rotation knobs 4.1 are required to be shifted to the same side during use, so that the right and left rotation plugs 3.1 and 2.1 in the left and right inner pipes 2 and 3 are in opposite rotation directions due to symmetrical installation of the two pawl assemblies 4, and the right and left rotation plugs are identical in tightness direction. During assembly, a positive and negative mark can be attached to the positive and negative knob 4.1, so that the user can conveniently adjust the positive and negative mark. When the positive and negative knob 4.1 is shifted to the locking position on the other side, the outer tube is rotated clockwise, and the left and right inner tubes 2,3 move leftwards and rightwards, so that the whole product is elongated, and the locking purpose is achieved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a locking horizontal bar, includes outer tube (1), the cover has middle bubble cotton (6) on outer tube (1), is close to the both ends cover of outer tube (1) has the bubble cotton of shaking hands (5), its characterized in that: a screw rod assembly (10) is arranged in the outer tube (1), a right threaded end (10.1), a left threaded end (10.2) and a screw rod fixing block (10.3) are arranged on the screw rod assembly (10), two ends of the outer tube (1) are respectively connected with a left inner tube (2) and a right inner tube (3) through the screw rod assembly (10), and two ends of the outer tube (1) are uniformly provided with a plurality of outer tube bosses (1.1); a right-hand plug (2.1) and a left-hand inner tube groove (2.2) are arranged on the left inner tube (2), and a left-hand plug (3.1) and a right inner tube groove (3.2) are arranged on the right inner tube (3); the outer ends of the left inner tube (2) and the right inner tube (3) are connected with a foot support (7) through a tube plug (9), and pawl assemblies (4) are arranged between the left inner tube (2) and the right inner tube (3) and between the left inner tube and the outer tube (1);
The pawl assembly (4) comprises a pawl positioning sleeve (4.6) and a pawl sleeve cover (4.7), the pawl positioning sleeve (4.6) is connected with the pawl sleeve cover (4.7) through a screw (11), and a positioning boss (4.6.1) and a positioning groove (4.6.2) are arranged on the pawl positioning sleeve (4.6); a shifting block hole (4.7.1) is formed in the pawl sleeve cover (4.7); a positive and negative shifting block (4.2) is assembled in the pawl positioning sleeve (4.6), and a platform (4.2.1) and a screw hole (4.2.2) are arranged on the positive and negative shifting block (4.2); a positive and negative knob (4.1) is arranged above the positive and negative shifting block (4.2); the two sides of the front and back shifting block (4.2) are respectively provided with a left pawl (4.3.1) and a right pawl (4.3.2); the left side of the left pawl (4.3.1) is provided with a left pressure spring (4.4.1), and the right side of the right pawl (4.3.2) is provided with a right pressure spring (4.4.2); an outer tube gear sleeve (4.5) is arranged above the left pawl (4.3.1) and the right pawl (4.3.2), and teeth (4.5.1) and grooves (4.5.2) are arranged on the outer tube gear sleeve (4.5).
2. A locking horizontal bar as set forth in claim 1 wherein: the heel brace (7) is provided with a heel brace boss (7.1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011573852.1A CN112451898B (en) | 2020-12-28 | 2020-12-28 | Anti-loose horizontal bar |
Applications Claiming Priority (1)
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CN202011573852.1A CN112451898B (en) | 2020-12-28 | 2020-12-28 | Anti-loose horizontal bar |
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CN112451898A CN112451898A (en) | 2021-03-09 |
CN112451898B true CN112451898B (en) | 2024-06-04 |
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CN202011573852.1A Active CN112451898B (en) | 2020-12-28 | 2020-12-28 | Anti-loose horizontal bar |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102425495B1 (en) * | 2022-02-03 | 2022-07-27 | 주식회사 오림코퍼레이션 | Exercise bar with improved anti-loosening structure |
CN114796972B (en) * | 2022-04-29 | 2023-05-12 | 重庆电子工程职业学院 | Portable physical training device |
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