CN218942735U

CN218942735U - Telescopic arm of force structure

Info

Publication number: CN218942735U
Application number: CN202222770535.XU
Authority: CN
Inventors: 林斌荣; 陈耀兴; 林承瑜; 马晨坤
Original assignee: Digital Intelligence Gravity Xiamen Intelligent Technology Co ltd
Current assignee: Digital Intelligence Gravity Xiamen Intelligent Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-05-02
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a telescopic force arm structure, which comprises a force arm long rod, wherein the end part of the force arm long rod is connected with a force arm short rod, and the force arm long rod and the force arm short rod are conveniently disassembled and assembled through a buckle mechanism; the inside of the long lever of the force arm is fixedly connected with a shaft sleeve, a telescopic rod is arranged in the shaft sleeve in a sliding manner, and one end part of the telescopic rod is fixedly connected with the short lever of the force arm; in the extension state, the telescopic rod is in threaded connection with the shaft sleeve. The beneficial effects of the utility model are as follows: when the clamping block is used normally, the clamping block extends into the clamping groove through the extending groove, and then the clamping block rotates into the clamping groove to clamp, so that the short lever and the long lever of the force arm are fixed; when the longer arm of force of needs, make the fixture block follow the draw-in groove and revolve out, then make axle sleeve and telescopic link carry out threaded connection to realize the extension function, and then realize adjusting length according to different exercise needs, thereby satisfy body-building personnel's needs.

Description

Telescopic arm of force structure

Technical Field

The utility model relates to the field of fitness equipment, in particular to a telescopic arm structure.

Background

At present, the body-building mirror becomes a new Jinhong for home body building. When closed, it is a common mirror; after the device is started, a user can keep with a professional trainer to exercise through the whole screen with the OLED display function, and meanwhile, see own actions, and contrast and correct with videos.

The moment arm that is located body-building mirror both sides at present is fixed length, because moment arm is long just to be close ground downwards perpendicularly, when the vertical swing other angles of moment arm use, exists the condition that the moment arm is short partially, causes the discomfort for body-building motion, can not satisfy body-building personnel's body-building needs, and we provide a telescopic moment arm structure for this reason and solve above-mentioned problem.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a telescopic arm structure.

The aim of the utility model is achieved by the following technical scheme:

the telescopic force arm structure comprises a force arm long rod, wherein the end part of the force arm long rod is connected with a force arm short rod, and the force arm long rod and the force arm short rod are connected in a detachable manner through a buckle mechanism; the inside of the long lever of the force arm is fixedly connected with a shaft sleeve, a telescopic rod is arranged in the shaft sleeve in a sliding manner, and one end part of the telescopic rod is fixedly connected with the short lever of the force arm; in the extension state, the telescopic rod is in threaded connection with the shaft sleeve.

Preferably, the buckle mechanism comprises an outer convex shaft which is arranged on the short rod of the force arm and is close to the end part of the long rod of the force arm, a plurality of clamping blocks are uniformly arranged at intervals at the edge of the end part of the outer convex shaft, a plurality of extending grooves and clamping grooves which are matched with the clamping blocks are formed in the inner wall of the long rod of the force arm, which is close to the end part of the short rod of the force arm, and the clamping grooves are communicated with the extending grooves.

Preferably, the arm of force stock is connected through fixed knot constructs with the axle sleeve, fixed knot constructs including seting up the interior through-hole in the axle sleeve side and seting up at the arm of force stock surface and the outer through-hole with interior through-hole adaptation of running through arm of force stock inner wall, be provided with the pin in interior through-hole and the outer through-hole.

Preferably, the end part of the telescopic rod, which is far away from the shaft sleeve, is provided with external threads, the end part of the shaft sleeve, which is close to the telescopic rod, is provided with internal threads, and the telescopic rod and the shaft sleeve are fixed through the connection of the external threads and the internal threads.

Preferably, the tip of arm of force quarter butt still is connected with the assembly pulley, be connected through connection structure between assembly pulley and the arm of force quarter butt, connection structure is including setting up at the inside fixed cover of arm of force quarter butt, two first fixed screw holes that mutually symmetry set up are seted up to the fixed cover surface, set gradually respectively bearing and retaining ring between fixed cover and the assembly pulley, the second fixed screw hole with first fixed screw hole adaptation has been seted up to the shoulder surface that the assembly pulley is connected with fixed cover, and is provided with set screw between first fixed screw hole and the second fixed screw hole, the connecting hole is all seted up to retaining ring and arm of force quarter butt axial tip, carries out fixed connection with the arm of force quarter butt through the bolt.

Preferably, the pin is fixedly connected with the arm length rod through laser full-length welding.

Preferably, the telescopic rod and the short arm rod are fixed through welding.

The utility model has the following advantages:

1. according to the utility model, during normal use, the clamping block extends into the clamping groove through the extending groove, and then the clamping block rotates into the clamping groove to clamp, so that the short lever and the long lever of the force arm are fixed; when the longer arm of force of needs, make the fixture block follow the draw-in groove and revolve out, then make axle sleeve and telescopic link carry out threaded connection to realize the extension function, and then realize adjusting length according to different exercise needs, thereby satisfy body-building personnel's needs.

2. According to the utility model, the pin and the arm length rod are subjected to laser full-welding treatment, and the surface is polished after welding, so that the pin is invisible on the surface of the arm length rod, and the whole is more attractive.

Drawings

Fig. 1 is a schematic diagram of an explosive structure according to the present utility model.

Fig. 2 is a schematic structural view of a fastening mechanism according to the present utility model.

Fig. 3 is a schematic view of the bushing structure of the present utility model.

FIG. 4 is a schematic view of the structure of the extending slot and the clamping slot of the present utility model.

Fig. 5 is a schematic view of the short lever structure of the arm of force of the present utility model.

Fig. 6 is a schematic view of the telescopic rod structure of the present utility model.

Fig. 7 is a schematic diagram of a connection structure according to the present utility model.

Fig. 8 is a schematic cross-sectional view of the utility model in an extended state.

Fig. 9 is a schematic view of a normal state cross-sectional structure of the present utility model.

In the figure, 1, a force arm long rod; 2. a telescopic rod; 3. a shaft sleeve; 4. a short lever of the arm of force; 5. pulley block; 61. an inner through hole; 62. a pin; 63. an outer through hole; 7. an external thread; 8. an internal thread; 9. a buckle mechanism; 91. an outer convex shaft; 92. a clamping block; 93. extend into the groove; 94. a clamping groove; 10. a connection structure; 101. a fixed sleeve; 102. a first fixed threaded hole; 103. a fixing screw; 104. a bearing; 105. a retainer ring; 106. and a second fixing threaded hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

As in the embodiment shown in figures 1-9,

the telescopic force arm structure comprises a force arm long rod 1, wherein the end part of the force arm long rod 1 is connected with a force arm short rod 4, and the force arm long rod 1 and the force arm short rod 4 are conveniently disassembled and assembled through a buckle mechanism 9; the inside of the arm of force long rod 1 is fixedly connected with a shaft sleeve 3, the inside of the shaft sleeve 3 is provided with a telescopic rod 2 in a sliding way, and one end part of the telescopic rod 2 is fixedly connected with an arm of force short rod 4; in the extended state, the telescopic rod 2 is in threaded connection with the shaft sleeve 3.

The length of the telescopic rod 2 is selected according to the actual use condition, and in the embodiment, the length of the telescopic rod 2 is 380mm;

the arm of force is in the normal state through the buckle mechanism 9 connects arm of force length pole 1 and arm of force short lever 4, is the state that telescopic link 2 contracts in arm of force length pole 1 at this moment; when the needs according to different fitness personnel are stretched, the force arm long rod 1 and the force arm short rod 4 are separated through the buckle mechanism 9, the force arm short rod 4 can drive the telescopic rod 2 to slide in the shaft sleeve 3, when the telescopic rod 2 slides to the end part of the shaft sleeve 3, the telescopic rod 2 is driven to rotate through the short rod to enable the telescopic rod 2 to be connected and fixed with the shaft sleeve 3, further the stretching of the force arm is realized, the length is adjusted according to different exercise needs, and therefore the needs of the fitness personnel are met.

The buckle mechanism 9 includes the outer convex axle 91 that sets up at arm of force quarter butt 4 and is close to arm of force stock 1 tip, outer convex axle 91 tip edge even interval is provided with a plurality of fixture blocks 92, arm of force stock 1 is close to the inner wall of arm of force quarter butt 4 tip and has been seted up a plurality of and stretched into groove 93 and draw-in groove 94 of fixture block 92 adaptation, draw-in groove 94 and stretch into groove 93 intercommunication, and draw-in groove 94 is offered along the circumference of arm of force stock 1, and buckle mechanism 9 can also be other structures, as long as can make arm of force quarter butt 4 and arm of force stock 1 carry out detachable construction all can, buckle mechanism 9 includes above-mentioned structure but not limited to.

Referring to fig. 2, when the arm of force is changed from the extended state to the normal state, the clamping block 92 is aligned to the extending groove 93 and the clamping block 92 is extended into the extending groove 93, the extending groove 93 is communicated with the clamping groove 94, and when the clamping block 92 enters the bottom of the extending groove 93, the clamping block 92 is rotated into the clamping groove 94, so that the clamping block 92 is clamped, and the connection between the arm of force short rod 4 and the arm of force long rod 1 is realized; the moment arm is transformed from a normal state to an extended state, contrary to the above procedure, which can be easily obtained by a person skilled in the art from the drawings and the above text.

The arm length rod 1 is connected with the shaft sleeve 3 through a fixing structure, the fixing structure comprises an inner through hole 61 formed in the side face of the shaft sleeve 3 and an outer through hole 63 which is formed in the outer surface of the arm length rod 1 and penetrates through the inner wall of the arm length rod 1 and is matched with the inner through hole 61, and pins 62 are arranged in the inner through hole 61 and the outer through hole 63; the pin 62 is fixedly connected with the arm length rod 1 through laser full welding, and the pin 62 is inserted into the inner through hole 61 and the outer through hole 63 to fix the arm length rod 1 with the shaft sleeve so as not to generate relative movement;

the fixing structure of the arm length rod 1 and the shaft sleeve 3 can also be other structures, for example, the shaft sleeve 3 is not provided with an inner through hole 61, the shaft sleeve 3 and the arm length rod 1 are directly and fixedly connected through an outer through hole 63 in a welding mode, and then polishing is carried out; the arm length rod 1 and the shaft sleeve 3 can be connected through countersunk screws, or the connected screws are cut off, polished and polished to enable the connecting screws to be matched with the curvature of the outer surface of the arm length rod 1, and the fixing mode of the arm length rod 1 and the shaft sleeve 3 in the embodiment comprises but is not limited to the connecting mode.

Referring to fig. 1, 3 and 4, the inner through hole 61 may be a through hole or a blind hole, and when the inner through hole 61 is a through hole, the length of the pin 62 extending into the inner through hole 61 is the maximum wall thickness of the sleeve 3, and the outer through hole 63 is a through hole; the pin 62 is inserted into the outer through hole 63 and the inner through hole 61 to fix the arm length rod 1 and the shaft sleeve 3, the pin 62 is in interference fit with the inner through hole 61 and the outer through hole 63, after the fixing is finished, the pin 62 and the arm length rod 1 are welded and fixed through a laser full-length welding process, the pin 62 is prevented from being separated from the inner through hole 61 and the outer through hole 63, the arm length rod 1 and the shaft sleeve 3 are separated, and after the welding is finished, the welding part is polished, so that the welding part is smooth, and the overall attractiveness is improved.

The telescopic rod 2 is far away from the end of the shaft sleeve 3 and is provided with external threads 7, the end of the shaft sleeve 3, which is close to the telescopic rod 2, is provided with internal threads 8, and the telescopic rod 2 and the shaft sleeve 3 are fixed through the connection of the external threads 7 and the internal threads 8.

Referring to fig. 3, 6, 8 and 9, when the telescopic rod 2 is changed from a normal state to an extended state, the telescopic rod 2 slides in the sleeve 3, so that the external thread 7 at the end of the telescopic rod 2 contacts with the internal thread 8 at the end of the sleeve 3, and the external thread 7 and the internal thread 8 are screwed by rotating the telescopic rod 2, so that the telescopic rod 2 and the sleeve 3 are connected, and the sleeve 3 and the arm-length rod 1 are fixed, so that the telescopic rod 2 is also fixed.

Referring to fig. 7, 8 and 9, the end of the arm short rod 4 is further connected with a pulley block 5, the pulley block 5 is connected with the arm short rod 4 through a connecting structure 10, the connecting structure 10 comprises a fixing sleeve 101 arranged inside the arm short rod 4, two first fixing threaded holes 102 symmetrically arranged are formed in the outer surface of the fixing sleeve 101, a bearing 104 and a retaining ring 105 are sequentially and respectively arranged between the fixing sleeve 101 and the pulley block 5, a second fixing threaded hole 106 matched with the first fixing threaded hole 102 is formed in the outer surface of a shaft shoulder, connected with the fixing sleeve 101, of the pulley block 5, a fixing screw 103 is arranged between the first fixing threaded hole 102 and the second fixing threaded hole 106, connecting holes are formed in the axial ends of the retaining ring 105 and the arm short rod 4, and the retaining ring 105 and the arm short rod 4 are fixedly connected through bolts.

The telescopic rod 2 and the short arm rod 4 are fixed by welding, and may be fixed by other fixing modes, such as threaded connection, bonding with glue, etc., in this embodiment, the welding mode is adopted.

The working process of the utility model is as follows: when the telescopic rod is used, when the telescopic rod is turned from a normal state (the telescopic rod 2 stretches into the long rod 1 of the force arm) to be in an extension state, firstly, the clamping block 92 is screwed out of the clamping groove 94 to the bottom of the stretching groove 93 by rotating the short rod 4 of the force arm, then the short rod 4 of the force arm is grabbed to drive the telescopic rod 2 fixedly connected with the short rod 4 of the force arm to slide in the shaft sleeve 3, when the external thread 7 at the end part of the telescopic rod 2 is contacted with the internal thread 8 at the end part of the shaft sleeve 3, the external thread 7 and the internal thread 8 are screwed by rotating the short rod 4 of the force arm, so that the telescopic rod 2 and the shaft sleeve 3 are fixed, and then the whole length of the force arm is extended, so that the telescopic rod meets the requirement of movement and body building;

when it is desired to change from the extended state to the normal state, the steps operated are reversed from those described above.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a telescopic arm of force structure, includes arm of force stock (1), its characterized in that: the end part of the force arm long rod (1) is connected with a force arm short rod (4), and the force arm long rod (1) is connected with the force arm short rod (4) in a detachable manner through a clamping mechanism (9); the inside of the arm of force stock (1) is fixedly connected with a shaft sleeve (3), the inside of the shaft sleeve (3) is provided with a telescopic rod (2) in a sliding way, and one end part of the telescopic rod (2) is fixedly connected with an arm of force short rod (4); in the extended state, the telescopic rod (2) is in threaded connection with the shaft sleeve (3).

2. A telescopic moment arm structure according to claim 1, wherein: the utility model provides a buckle mechanism (9) is including setting up outer convex axle (91) near arm of force stock (1) tip at arm of force stock (4), outer convex axle (91) tip edge even interval is provided with a plurality of fixture blocks (92), arm of force stock (1) are close to the inner wall of arm of force stock (4) tip and have been seted up a plurality of and stretch into groove (93) and draw-in groove (94) of fixture block (92) adaptation, draw-in groove (94) and stretch into groove (93) intercommunication, wherein fixture block (92) rotate after stretching into draw-in groove (94) through stretching into groove (93) to make fixture block (92) and draw-in groove (94) block and realize the just tearing open between arm of force stock (4) and the arm of force stock (1).

3. A telescopic moment arm structure according to claim 1, wherein: the force arm long rod (1) is connected with the shaft sleeve (3) through a fixing structure, the fixing structure comprises an inner through hole (61) formed in the side face of the shaft sleeve (3) and an outer through hole (63) which is formed in the outer surface of the force arm long rod (1) and penetrates through the inner wall of the force arm long rod (1) and is matched with the inner through hole (61), and pins (62) are arranged in the inner through hole (61) and the outer through hole (63).

4. A telescopic moment arm structure according to claim 1, wherein: the telescopic rod (2) is far away from the end part of the shaft sleeve (3) and is provided with external threads (7), the end part of the shaft sleeve (3) close to the telescopic rod (2) is provided with internal threads (8), and the telescopic rod (2) and the shaft sleeve (3) are fixed through connection of the external threads (7) and the internal threads (8).

5. A telescopic moment arm structure according to claim 1, wherein: the end of arm of force quarter butt (4) still is connected with assembly pulley (5), be connected through connection structure (10) between assembly pulley (5) and the arm of force quarter butt (4), connection structure (10) are including setting up at the inside fixed cover (101) of arm of force quarter butt (4), two first fixed screw holes (102) that set up each other symmetrically are seted up to fixed cover (101) surface, set up bearing (104) and retaining ring (105) respectively in proper order between fixed cover (101) and assembly pulley (5), second fixed screw hole (106) with first fixed screw hole (102) adaptation are seted up to the shoulder surface that assembly pulley (5) is connected with fixed cover (101), and be provided with set screw (103) between first fixed screw hole (102) and second fixed screw hole (106), the connecting hole is all seted up to retaining ring (105) and arm of force quarter butt (4) axial tip, carries out fixed connection with retaining ring (105) and arm of force quarter butt (4) through the bolt.

6. A telescopic moment arm structure according to claim 3, wherein: the pin (62) is fixedly connected with the arm of force stock (1) through laser full-length welding.

7. A telescopic moment arm structure according to claim 1, wherein: the telescopic rod (2) and the short arm rod (4) are fixed through welding.