CN209548606U - A kind of standpipe retaining mechanism - Google Patents

Abstract

The utility model relates to health and fitness facilities technical fields, refer in particular to a kind of standpipe retaining mechanism on seat of body-building bicycle, including outer tube and the inner tube being arranged in the outer tube, inner tube can be slided up and down relative to the outer tube, the side of said inner tube is equipped with rack gear, the corresponding side of the outer tube is equipped with the retaining mechanism for limiting said inner tube sliding opposite with outer tube, retaining mechanism includes square tube, square shaft and handle, the square shaft that can be moved forward and backward is installed in the square tube, one end of square shaft is connected on the rack gear, the other end of the square shaft is connected with the handle being moved forward and backward for controlling the square shaft, the retaining mechanism is connected with the regulating mechanism for adjusting the retaining mechanism front-rear position, regulating mechanism can adjust the front-rear position of retaining mechanism, it can make up for it because of error present in production assembling process, or Under being used for a long time, due to loosening, gap can be also generated between square and rack gear, and leads to being not fixed firmly for seat.

Description

A kind of standpipe retaining mechanism

Technical field

The utility model relates to health and fitness facilities technical field, a kind of standpipe locking machine on seat of body-building bicycle is refered in particular to Structure.

Background technique

As the improvement of people's living standards, health and fitness facilities have been widely used, wherein exercycle is most commonly seen A kind of health and fitness facilities.In the prior art the seat cushion of exercycle be not can be carried out height, front and back adjust, seat is all fixed It is mounted on metal seat tube, existing deficiency is that the distance of seat to handrail or handle in front of it is constant, i.e. seat Adjustment cannot be moved up and down, and different users' height of exercycle, system are different, different bicyclists is using this body-building Vehicle can only adjust itself bend over degree and the riding position position different with the height for adapting to seat of body-building bicycle, but for a long time Inappropriate riding position is kept, is easy to be forged into the fatigue and damage of person taking exercise's waist, back, influences exercise effect.

Summary of the invention

It is simple, easy to use that the purpose of the utility model is to provide a kind of structures, while being able to carry out the tune of upper and lower position Section, and it is able to maintain the standpipe retaining mechanism in fixed position.

Purpose of the utility model is realized as follows: a kind of standpipe retaining mechanism, including outer tube and inner tube, inner tube can phases The outer tube is slided up and down, the side of said inner tube is equipped with rack gear, and the corresponding side of the outer tube is equipped with for limiting The square shaft of said inner tube processed sliding opposite with outer tube and one end of square shaft is connected on the rack gear；The other end of the square shaft connects It is connected to the handle being moved forward and backward for controlling the square shaft.

Preferably, square tube is installed on the outside of the square shaft, is also equipped with square between the square tube and square shaft, in square It is scalable that the square shaft is installed.

Preferably, bar shaped adjustment hole is offered in the square tube, the side transverse movable in bar shaped adjustment hole is provided with First circular shaft is provided with the first spring between the first circular shaft and the square shaft.

Preferably, the other side in the bar shaped adjustment hole is horizontally installed with the second circular shaft, offers item on the handle Shape rotating hole, the handle are rotatably mounted on second circular shaft, and the bar shaped rotating hole is set in first circular shaft Outside, first circular shaft can be driven to be moved forward and backward by rotating handle.

Preferably, the side of the handle is connected with the regulating mechanism for adjusting the retaining mechanism front-rear position, institute It states handle and the regulating mechanism is connected with by the second circular shaft.

Preferably, the regulating mechanism includes: iron plate and adjusts stud, and the iron plate is fixed in the square tube, described Threaded hole is offered on iron plate, the adjusting stud is installed in threaded hole, and the one end for adjusting stud is fixedly connected with described Two circular shafts adjust the front-rear position of the adjustable square shaft of stud by rotation.

Preferably, bolt is fixed in second circular shaft, the screw rod of bolt connects the adjusting stud.

Preferably, the disassembly mouth for being dismantled to the bolt, the bolt and first are offered in the square tube Abutting between circular shaft has second spring.

Preferably, several helical teeth are formed on the rack gear, one end of the square shaft is formed to be matched with the helical teeth Mitered portion.

Preferably, the surface of said inner tube is equipped with scale.

Compared with the prior art, the utility model has prominent and beneficial technical effects that:

1, the utility model is slidably designed by inner tube and outer tube, realizes the tune that seat is able to carry out front-rear position Section, it is easy to use, it allows user when using exercycle, optimal body-building posture can be adjusted to, user is allowed to reach most easypro Suitable body-building posture more comfortably is conducive to improve exercise effect.

2, the utility model passes through rotation when needing the height to seat to be adjusted by the design of retaining mechanism Handle drives square mobile, leaves rack gear, can carry out sliding relatively between outer tube and inner tube, the retaining mechanism of the present apparatus makes With convenient, structure is simple, is conducive to production, convenient for assembly.

3, the utility model passes through the design of helical teeth and mitered portion, when needing to increase the height of seat, it is only necessary to will The seat connecting with inner tube pulls up, and the height of seat can increase, and after adjusting height, and mitered portion can be caught in tiltedly automatically In tooth, the height is retained the seat in.

4, the utility model can adjust the front-rear position of retaining mechanism by the design of regulating mechanism, can make up for it because Error present in assembling process is produced, or under being used for a long time, due to loosening, between also generating between square and rack gear Gap, and lead to being not fixed firmly for seat.

5, the utility model makes the adjusting of seat position have Memorability, by the design of scale convenient for users to accurate And it is quickly found out itself suitable position.

Detailed description of the invention

Fig. 1 is the mounting structure schematic diagram of the utility model.

Fig. 2 is the configuration schematic diagram of the utility model.

Fig. 3 is the top view of the utility model.

Fig. 4 is schematic structural cross-sectional view at A-A in Fig. 3.

Fig. 5 is structure enlargement diagram at B in Fig. 4.

The following drawings is marked to mark on it in conjunction with attached drawing: 1- outer tube；2- inner tube；3- rack gear；4- retaining mechanism；The side 5- Pipe；6- square shaft；7- handle；8- regulating mechanism；9- square；10- bar shaped adjustment hole；The first circular shaft of 11-；The first spring of 12-；13- Second circular shaft；14- bar shaped rotating hole；15- iron plate；16- adjusts stud；17- threaded hole；18- bolt；19- screw rod；20- disassembly Mouthful；21- helical teeth；22- mitered portion；23- scale；24- second spring；25- protective cover.

Specific embodiment

The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1~5:

A kind of standpipe retaining mechanism, including outer tube 1 and inner tube 2, inner tube 2 can be slided up and down relative to the outer tube 1, described The side of inner tube 2 is equipped with rack gear 3, and the corresponding side of the outer tube 1 is equipped with opposite for limiting said inner tube 2 and outer tube 1 The square shaft 6 of sliding and one end of square shaft 6 is connected on the rack gear 3；The other end of the square shaft 6 is connected with described for controlling The handle 7 that square shaft 6 is moved forward and backward.

The retaining mechanism of the utility model design can not only use on the seat, for the height of handrail on exercycle It is also general for adjusting.

The locking device of the utility model design passes through rotational handle 7 when needing the height to seat to be adjusted (being pulled upwards with hand) drives square shaft 6 to move backward, and rack gear 3 is left/be detached from the front end of square shaft 6, between outer tube 1 and inner tube 2 i.e. It can carry out sliding relatively, realize the adjusting that seat is able to carry out different height position, it is easy to use, allow user using strong When body vehicle, it can be adjusted to optimal body-building posture, the body-building posture for allowing user to reach the most comfortable is more comfortably conducive to Exercise effect is improved, the retaining mechanism 4 of the present apparatus is easy to use, structure is simple, is conducive to production, convenient for assembly.

Preferably, the outside of the square shaft 6 is equipped with square tube 5, is also equipped with square 9 between the square tube 5 and square shaft 6, Square 9 limits the opposite sliding of said inner tube 2 and outer tube 1 for compressing rack gear 3, scalable in square 9 to be equipped with the side Axis 6, square shaft 6 is for being connected in rack gear 3.

The technical program specifically describes the specific structure of square shaft 6, scalable in the square 9 to be equipped with the square shaft 6, One end of square shaft 6 is connected on the rack gear 3, and when inner tube 2 moves up, one end of square shaft 6 can be slided on the flank of tooth of rack gear 3 It is dynamic, while can be different with the height of tooth on rack gear 3, the meeting automatic telescopic of square shaft 6, when inner tube 2 stops mobile, the square shaft 6 One end will be connected in the rack gear 3, position the position of inner tube 2, by continuing to press on for square 9, compress rack gear 3 to lock Tight inner tube 2, prevents inner tube 2 from declining.

Preferably, bar shaped adjustment hole 10 is offered in the square tube 5, the side transverse movable in bar shaped adjustment hole 10 is set It is equipped with the first circular shaft 11, the first spring 12 is provided between the first circular shaft 11 and the square shaft 6, the square shaft 6 can pass through The contraction of one spring 12 is receded into completely in square 9.

The technical program further describes the structure of retaining mechanism 4, supports between the square shaft 6 and first circular shaft 11 It is connected to the first spring 12, since the first spring 12 has elasticity, the thrust of square shaft 6 one outward can be applied to, at this point, One end of square shaft 6 is connected in the rack gear 3, and when rack gear 3 moves up, since flank of tooth height gradually increases, square shaft 6 will It can be applied an inside thrust, the first spring 12 will drive 6 contractions of square shaft/reset and clasp rack gear 3 at this time, prevent inner tube 2 Decline.

Preferably, the other side in the bar shaped adjustment hole 10 is horizontally installed with the second circular shaft 13, opens up on the handle 7 There is bar shaped rotating hole 14, the handle 7 is rotatably mounted on second circular shaft 13, and the bar shaped rotating hole 14 is set in institute It states outside the first circular shaft 11, first circular shaft 11 can be driven to be moved forward and backward by rotating handle 7.

The technical program describes the specific connection structure of handle 7, and the handle 7 is that axle center is revolved with the second circular shaft 13 When turning, it will the first circular shaft 11 of drive is moved forward and backward in bar shaped adjustment hole 10, the first circular shaft 11 drive square 9, in square 9 Square shaft 6 is similarly followed by variation, so that one end of square shaft 6 be made to leave or close to rack gear 3, when leaving rack gear 3, can make interior Pipe 2 declines, to reach the height for reducing seat, when close to rack gear 3, one end of square shaft 6 is connected to the rack gear 3 again On, the position of inner tube 2 is positioned, by continuing to press on for square 9, rack gear 3 is compressed to lock inner tube 2, plays the height of fixing seat Degree.

Preferably, the side of the handle 7 is connected with the regulating mechanism 8 for adjusting 4 front-rear position of retaining mechanism, The handle 7 is connected with the regulating mechanism 8 by the second circular shaft 13.

The technical program can adjust the front-rear position of retaining mechanism 4 by the design of regulating mechanism 8, can make up for it because Error present in assembling process is produced, or under being used for a long time, due to loosening, can also be generated between square 9 and rack gear 3 Gap, and lead to being not fixed firmly for seat.

Preferably, the regulating mechanism 8 includes: iron plate 15 and adjusts stud 16, and the iron plate 15 is fixed on the square tube 5 It is interior, threaded hole 17 is offered on the iron plate 15, the adjusting stud 16 is installed in threaded hole 17, adjusts one end of stud 16 It is fixedly connected with second circular shaft 13, the front-rear position of the adjustable square shaft 6 of stud 16 is adjusted by rotation.

The technical program discloses the structure of regulating mechanism 8, by adjusting the front-rear position of regulating mechanism 8, so as to The function of adjusting 4 front-rear position of retaining mechanism is played, can make up for it because of error present in production assembling process, reduction is produced into This due to loosening, wearing etc., makes to generate gap between square 9 and rack gear 3 or under being used for a long time, and leads to seat The fixation of chair height is not secured enough, is easy the problems such as loosening, and improves practicability and service life.

Due to each Assembly part physical presence manufacturing tolerance, it may occur that even if handle 7 has been introduced into latched position, square 9 still without inner tube 2 are killed the case where, that is to say, that still there is gap between inner tube 2 and outer tube 1, gone to shake inner tube at this time with hand 2, due to the presence in gap, inner tube 2 can generate shaking, and Product Experience sense can be made bad, and product quality will be severely impacted.

One, for the presence for manufacturing gap, need to increase gap adjusting mechanism 8, the design of gap adjusting mechanism 8 is wanted Point: non-threaded through-hole is processed pulling the intermediate of pressure 7 the second circular shaft of rotation center 13 of handle, the intermediate of iron plate 15 processes M8 screw thread Hole processes bar shaped adjustment hole 10 in support bracket fastened welding square tube 5, then will adjust stud 16 and is screwed into iron plate 15, then matches It closes hex bolts 18 to fix the second circular shaft 13, can make the second circular shaft 13 in welding square tube 5 when adjusting stud 16 It is moved in bar shaped adjustment hole 10, to drive locking square 9 to follow movement by pulling pressure handle 7, will continue to push inner tube 2 forward It is mobile, it eliminates and manufactures existing tolerance clearance, locking square 9 is made to kill inner tube 2, realize the gapless locking of inner tube 2.

Two, gap adjusting structure design object: A, when needing to adjust, the second circular shaft 13 is wanted to be moved easily, and adjusts position It moves continuous subtle；B, the second circular shaft 13 needs reliable locking again after the completion of adjustment, can not have pine in pulling pressure 7 operating process of handle It is dynamic.

Three, gap adjusting structure key points for operation: when A, gap needs to adjust, in the case where pulling pressure handle 7 and being in impaction state, first Come loose hexagon thin nut, then unscrews hex bolts 18, and the flat recess for adjusting stud 16 is at this moment rotated with tool, until with hand It shakes inner tube 2 not loosen, completes gap adjustment；(slack adjusting action is carried out in the state of pulling pressure handle 7 and compressing, and is adjusted Effect is got instant result, and is to realize that gap is adjusted by screw thread, easy to operate continuous subtle.) B, gap adjustment after the completion of, Hex bolts 18 is locked to tool and is adjusted on stud 16, then is locked to iron plate 15 for stud 16 is adjusted with hexagon thin nut On.(adjusting 16 one end of stud has the fastening of hex bolts 18；The other end is threadedly secured on iron plate 15, and additional hexagonal is thin Nut reaches screw thread self-locking, and adjusting stud 16 will be fixed, to realize the second reliably locking of circular shaft 13 coupled therewith.Cause And the rotation center of mechanism does not have loosening for firm.)

Preferably, bolt 18 is fixed in second circular shaft 13, the screw rod 19 of bolt 18 connects the adjusting stud 16.

The technical program further describes the specific structure of regulating mechanism 8, in actual use, screws in and adjusts stud 16 When, bolt 18 also can be mobile to this side, while driving the second circular shaft 13 in bar shaped adjustment hole 10 to the side close to rack gear 3 Mobile, the handle 7 on the second circular shaft 13 will drive square 9 to close to the movement of the side of rack gear 3, i.e. square shaft by the first circular shaft 11 6 one end can reduce gap, be conducive to the height of fixing seat more close to rack gear 3.

Preferably, the disassembly mouth 20 for being dismantled to the bolt 18, the bolt 18 are offered in the square tube 5 Second spring 24 has been abutted between the first circular shaft 11.

In actual use, the bolt 18 in square tube 5 can be removed by disassembly mouth 20, it secondly can be to adjusting Whole components of mechanism 8 are dismantled；

In actual use, by increasing second spring 24, handle 7 resets the elastic force mainly by second spring 24 Effect, when without second spring 24, the gravity return of handle 7 is unreliable, in the case where handle 7 does not reset, square shaft 6 Function can fail, and will not block rack gear 3.

Preferably, several helical teeth 21 are formed on the rack gear 3, one end of the square shaft 6 forms and the helical teeth 21 The mitered portion 22 matched.

The technical program describes the specific structure of rack gear 3 and square shaft 6, and when release handle 7, locking square 9 is by the The reset of two springs 24 pushes forward, while the eccentric grove with fixed handle 7 turns round handle 7, the locking square 9 of forward movement by First spring 12 pushes square shaft 6, and square shaft 6 clasps rack gear 3, but is that nature contacts and do not generate obvious pressure between square 9 and rack gear 3 Power, inner tube 2 can adjust upward height at this time, twitch inner tube 2 upwards at this time, and square shaft 6 will compress the first spring by rack gear 3 12 are retracted into square 9；Loosen inner tube 2 after the completion of adjusting, square shaft 6 will pop up square 9 by the extension of the first spring 12, clasp Rack gear 3 positions inner tube 2, and (square shaft 6 can clasp by the flexible of first spring 12 or unclamp rack gear 3 when adjustment height, according to tooth The septum interalveolare of item 3 adjusts upward the height of inner tube), but height cannot be reduced (since the shape of helical teeth 21 can only be slided unidirectionally It is dynamic), by the cooperation of helical teeth 21 and mitered portion 22, when rack gear 3 moves up, the mitered portion 22 of square shaft 6 can be in helical teeth 21 Surface slides up and down, and facilitates the height for adjusting seat.

Preferably, the surface of said inner tube 2 is equipped with scale 23.

The technical program passes through the design of scale 23, so that the adjusting of seat position is had Memorability, convenient for users to accurate And it is quickly found out itself suitable position.

Preferably, 7 tip designs of handle have the function of recess: when firmly lower handle 7 makes the first circular shaft 11 enter end After concave end, due to locking the crunch between square 9 and inner tube 2 at this time, it is adjacent to the first circular shaft 11 in 7 eccentric grove of handle Inner wall, even if firmly rock inner tube 2, the first circular shaft 11 will not be detached from distal tip, thus make inner tube 2 keep The steady status of locking.

Preferably, the outside of the handle 7 is equipped with protective cover 25.

Working principle of the utility model is:

1, it adjusts locking function to realize: rack gear 3 A, being clasped by square shaft 6 to position inner tube 2；B, tooth is compressed by square 9 Item 3 locks inner tube 2.

1.1, the adjusting positioning of inner tube 2: after handle 7 passes through 24 return of second spring, square 9 then connects with rack gear 3 naturally Touching, twitches inner tube 2 upwards at this time, and square shaft 6 will compress the first spring 12 by rack gear 3 and be retracted into square 9；It is put after the completion of adjusting Loose inner tube 2, square shaft 6 will pop up square 9 by the extension of the first spring 12, clasp rack gear 3 to position inner tube 2.

1.2, the fixed locking of inner tube 2: after the completion of inner tube 2 positions, pressing down on handle 7 again, make the first circular shaft 11 into The distal tip for entering handle 7 continues to press on inner tube 2 by square 9 and kills inner tube 2, realizes the fixed locking of inner tube 2.

3, it the tolerance clearance adjustment of mechanism: is adjusted forward in iron plate 15 using stud 16 is adjusted, drives the second circular shaft 13 It moves forward, drives square 9 to move forward again by handle 7, to reduce 2 fit clearance of inner tube, the continuation of square 9 is killed forward Inner tube 2 realizes the fixed locking of inner tube 2.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (10)

1. a kind of standpipe retaining mechanism, which is characterized in that including outer tube (1) and inner tube (2), inner tube (2) can be relative to described outer Pipe (1) slides up and down, and the side of said inner tube (2) is equipped with rack gear (3), and the corresponding side of the outer tube (1), which is equipped with, to be used for One end of the square shaft (6) of limitation said inner tube (2) and outer tube (1) opposite sliding and square shaft (6) is connected on the rack gear (3)； The other end of the square shaft (6) is connected with the handle (7) for controlling the square shaft (6) back-and-forth motion.

2. a kind of standpipe retaining mechanism according to claim 1, it is characterised in that: be equipped on the outside of the square shaft (6) Square tube (5) is also equipped with square (9) between the square tube (5) and square shaft (6), scalable in square (9) to be equipped with the square shaft (6)。

3. a kind of standpipe retaining mechanism according to claim 2, it is characterised in that: offer bar shaped on the square tube (5) Adjustment hole (10), the side transverse movable in bar shaped adjustment hole (10) are provided with the first circular shaft (11), the first circular shaft (11) with The first spring (12) are provided between the square shaft (6).

4. a kind of standpipe retaining mechanism according to claim 3, it is characterised in that: another in the bar shaped adjustment hole (10) Side is horizontally installed with the second circular shaft (13), is offered bar shaped rotating hole (14) on the handle (7), and the handle (7) can revolve Turn to be mounted on second circular shaft (13), the bar shaped rotating hole (14) is set in first circular shaft (11) outside, passes through rotation Changing hands handle (7) can drive first circular shaft (11) to be moved forward and backward.

5. a kind of standpipe retaining mechanism according to claim 1, it is characterised in that: the side of the handle (7) is connected with For adjusting the regulating mechanism (8) of the retaining mechanism (4) front-rear position, the handle (7) is connected by the second circular shaft (13) There are the regulating mechanism (8).

6. a kind of standpipe retaining mechanism according to claim 5, it is characterised in that: the regulating mechanism (8) includes: iron plate (15) and stud (16) are adjusted, the iron plate (15) is fixed in square tube (5), offers threaded hole on the iron plate (15) (17), the adjusting stud (16) is installed, the one end for adjusting stud (16) is fixedly connected with described second in threaded hole (17) Circular shaft (13) adjusts the front-rear position of stud (16) adjustable described square shaft (6) by rotation.

7. a kind of standpipe retaining mechanism according to claim 6, it is characterised in that: be fixed in second circular shaft (13) The screw rod (19) of bolt (18), bolt (18) connects the adjusting stud (16).

8. a kind of standpipe retaining mechanism according to claim 7, it is characterised in that: offer and be used on the square tube (5) To the disassembly mouth (20) that the bolt (18) is dismantled, the second bullet has been abutted between the bolt (18) and the first circular shaft (11) Spring (24).

9. a kind of standpipe retaining mechanism according to claim 1, it is characterised in that: formed on the rack gear (3) several Helical teeth (21), one end of the square shaft (6) form the mitered portion (22) matched with the helical teeth (21).

10. a kind of standpipe retaining mechanism according to claim 1, it is characterised in that: the surface of said inner tube (2) is equipped with mark Ruler (23).