CN216824646U

CN216824646U - Elastic rope adjusting device for rowing machine

Info

Publication number: CN216824646U
Application number: CN202220236713.8U
Authority: CN
Inventors: 撒元太
Original assignee: Shandong Deyu Fitness Equipment Co ltd
Current assignee: Shandong Deyu Fitness Equipment Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-28
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to the technical field of fitness equipment, especially, relate to a stretch cord adjusting device for boating machine. The water tank is characterized in that a stay rope bottom plate is movably arranged above the fixing seat, a water tank main shaft upwards sequentially and vertically penetrates through the central position of the fixing seat and the central position of the stay rope bottom plate, a driving piece is movably sleeved on the water tank main shaft above the stay rope bottom plate and comprises an elastic rope sleeve and a stay rope sleeve which are connected end to end, and saw teeth which are meshed with each other are respectively arranged on the elastic rope sleeve and the stay rope sleeve which are connected with each other at one end. The free end of the pull rope can be adhered to the pull rope sleeve in advance, a body builder does not need to fix the elastic rope for a long time after winding the elastic rope, so that two hands are effectively liberated, the installation is simplified, the installation difficulty is reduced, the assembly of the rowing machine can be easily completed even if the body builder without the assembly experience, and the problems in the prior art are solved.

Description

Elastic rope adjusting device for rowing machine

Technical Field

The utility model relates to the technical field of fitness equipment, especially, relate to a stretch cord adjusting device for boating machine.

Background

The rowing machine is mainly suitable for professional fitness people, boat racers or people with high requirements on exercise effects. The fitness equipment can be used for exercising 80% of muscles of the whole body, and particularly has obvious exercise effects on legs, waist, chest and back. At present, the rowing machine is in the use, and the required tensile dynamics of fitness person mainly realizes through the resistance of oar and water in the water tank, and the size of this kind of water resistance, only can adjust through what the water injection volume of fitness person in to the water tank, and the water injection volume in the water tank is more full, and its water resistance is big more, vice versa. However, in the adjusting mode, water needs to be added or drained into the water tank from time to time during body building so as to meet the requirement of the stretching force of a body builder, the ground is easily wetted by frequent water adding or draining, the body building time is delayed, the body builder is difficult to have good rowing experience, and the applicability is poor.

The mode of adjusting the tensile strength of the rowing machine is also that the tensile strength is adjusted through the elastic ropes, and the main principle is as follows: the elastic rope is wound on the elastic rope sleeve, the more the number of winding turns is, the greater the stretching force is, and the elastic rope needs to be fixed by one hand after being wound to prevent the elastic rope from rebounding. And then the other hand is used for sticking the pull rope on the pull rope sleeve. Because the elastic rope sleeve and the pull rope sleeve are fixedly connected, when the hand for fixing the elastic rope sleeve is loosened, the pull rope is wound on the pull rope sleeve, and the assembly of the rowing machine can be completed. However, the adjustment method has many disadvantages, one of which is that the elastic rope is wound, the user needs to grip and rotate the elastic rope sleeve with both hands, the elastic rope sleeve cannot be directly loosened after winding, and the elastic rope sleeve needs to be controlled to be fixed with one hand, which has higher requirement on hand strength of the user; secondly, when the pull rope is assembled, the free end of the pull rope needs to be sequentially wound around the pulleys and then adhered to the pull rope sleeve, which is very troublesome for a body builder operated by one hand, and the elastic rope can rebound without leaving much attention, so that the body builder needs to have certain assembly experience; thirdly, the rowing machine after the equipment, behind the fixed position of stretch cord, be difficult for doing the adjustment again, if the tensile dynamics of needs adjustment, can only be through the water injection volume of adjustment water tank, if adjust the stretch cord, its winding number of turns is difficult to handle the accuse, so the tensile dynamics of unable accurate control is increase or reduction, and the flexibility is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a remedy prior art not enough, the utility model provides a rowing machine stretch cord adjusting device, its structural design is reasonable, high durability and convenient operation, the stretch cord sleeve adopts split type connected mode with the stay cord sleeve, original installation order has been changed, can glue the free end of stay cord in advance on the stay cord sleeve, it fixes to it for a long time after need not body-building person's winding stretch cord, effectively liberate both hands, simplify the installation and reduce the installation degree of difficulty, even the body-building person who does not have the equipment experience also can easily accomplish the equipment of rowing machine, and simultaneously, body-building person can be according to the self condition, adjust its tensile dynamics through the control stay cord at any time, do not hinder the time of body-building person's body-building, the suitability is stronger, the flexibility is higher, the problem that exists among the prior art has been solved.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:

a kind of elastic rope adjusting device for rowing machine, including the fixed seat mounted on water tank, there are stay cord bottom plates movably above the fixed seat, the water tank main axis sequentially crosses the central position of the fixed seat and central position of the stay cord bottom plate vertically upwards, the driving piece that the activity is set up on the water tank main axis above the stay cord bottom plate, the said driving piece includes elastic rope sleeve and stay cord sleeve that links to each other end to end, there are saw teeth engaging each other on the elastic rope sleeve and stay cord sleeve that link to each other one end separately, set up the elastic rope sleeve on the elastic rope sleeve, set up the stay cord sleeve on the stay cord sleeve below the elastic rope sleeve, have sliding grooves symmetrically along its direction of height separately on the sidewall of both sides of the elastic rope sleeve, a linkage piece level crosses the sliding groove of the elastic rope sleeve, its both ends are linked to the top of the elastic rope sleeve through the retaining member; at least one unidirectional needle bearing for clamping the water tank main shaft is arranged on the inner wall of the stay rope sleeve.

Optionally, the retaining member includes a centering ring plate movably sleeved outside the elastic rope sleeve, and the centering ring plate is fixedly connected to the top of the elastic rope sleeve through a plurality of locking bolts.

Optionally, the linkage member includes a sliding plate horizontally movably penetrating through the sliding groove, and a through hole for the spindle to pass through is formed in the middle of the sliding plate.

Optionally, a clamping groove is horizontally formed in the center of the top of the elastic rope sleeve, the sliding plate is movably clamped in the clamping groove of the elastic rope sleeve, and the sliding plate is tightly limited in the clamping groove of the elastic rope sleeve by the locking member.

Optionally, the sliding plate and the centering ring plate are respectively provided with a block in a clamping groove.

Optionally, a nylon pad is movably sleeved on the driving piece between the centering circular ring plate and the elastic rope sleeve.

Optionally, a thrust ball bearing is movably sleeved on the driving member between the pull rope sleeve and the elastic ball sleeve, an upper side of the thrust ball bearing is tightly abutted against the bottom of the elastic ball sleeve, and a lower side of the thrust ball bearing is tightly abutted against the top of the pull rope sleeve.

Optionally, an upper groove is formed in the center of the bottom of the elastic rope sleeve, a lower groove is formed in the center of the top of the pull rope sleeve corresponding to the upper groove, and the thrust ball bearing is movably clamped between the upper groove and the lower groove.

Optionally, a tetrafluoro pad is disposed between the pull rope base plate and the pull rope sleeve.

Optionally, the number of the one-way needle roller bearings is two, and the two one-way needle roller bearings are arranged on the inner wall of the pull rope sleeve in an up-and-down side-by-side mode.

The utility model adopts the above technical scheme, the advantage that has is: structural design is reasonable, high durability and convenient operation, the stretch cord sleeve adopts split type connected mode with the stay cord sleeve, original installation order has been changed, can glue the free end of stay cord in advance on the stay cord sleeve, need not to fix it after the person of building body twines the stretch cord for a long time, effectively liberate both hands, simplify the installation and reduce the installation degree of difficulty, even the person of building body of the experience of not having the equipment also can easily accomplish the equipment of rowing machine, and simultaneously, the person of building body can be according to the self condition, adjust its tensile strength through the control stay cord at any time, do not delay the time of person of building body's body-building, the suitability is stronger, the flexibility is higher.

Drawings

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

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;

FIG. 4 is a schematic perspective view of the elastic cord sleeve;

FIG. 5 is a perspective view of the pull-cord sleeve;

FIG. 6 is a perspective view of the pull-cord sleeve;

FIG. 7 is a schematic view of the underside of the bungee cord sleeve;

FIG. 8 is a schematic top side perspective view of the bungee cord sleeve;

FIG. 9 is a perspective view of the sliding plate;

in the figure, 1, a fixed seat; 2. a pull rope bottom plate; 3. an elastic rope sleeve; 4. a pull rope sleeve; 5. saw teeth; 6. a stretch cord sleeve; 7. a pull rope sleeve; 8. a sliding groove; 9. a one-way needle bearing; 10. a centering ring plate; 11. a sliding plate; 12. a through hole; 13. a card slot; 14. cushion blocks; 15. a nylon pad; 16. a thrust ball bearing; 17. an upper groove; 18. a lower groove; 19. a tetrafluoro pad; 20. a fixing hole; 21. positioning holes; 22. and locking the bolt.

Detailed Description

In order to clearly explain the technical features of the present invention, the present invention will be explained in detail by means of the following embodiments and with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-9, in this embodiment, a bungee adjusting device for a rowing machine includes a fixing base 1 mounted on a water tank, a rope base plate 2 movably disposed above the fixing base 1, a water tank main shaft upwardly and vertically passing through a central position of the fixing base 1 and a central position of the rope base plate 2 in sequence, a driving member movably sleeved on the water tank main shaft above the rope base plate 2, the driving member including an end-to-end elastic rope sleeve 3 and a rope sleeve 4, wherein mutually engaged serrations 5 are respectively disposed on the elastic rope sleeve 3 and the rope sleeve 4 at one end of the end-to-end elastic rope sleeve 3, an elastic rope sleeve 6 is sleeved on the elastic rope sleeve 3, a rope sleeve 7 is sleeved on the rope sleeve 4 below the elastic rope sleeve 6, sliding grooves 8 are symmetrically disposed on left and right side walls of the elastic rope sleeve 3 along a height direction of the end-to-side elastic rope sleeve 3, a linkage member horizontally passes through the sliding grooves 8 of the elastic rope sleeve 3, both ends of the elastic rope sleeve are fixedly connected with the top of the elastic rope sleeve 6 through locking pieces; at least one unidirectional needle bearing 9 for clamping the water tank main shaft is arranged on the inner wall of the pull rope sleeve 4.

Optionally, the locking member includes a centering ring plate 10 movably sleeved outside the elastic rope sleeve 3, and the centering ring plate 10 is fixedly connected to the top of the elastic rope sleeve through a plurality of locking bolts 22.

Optionally, the linkage comprises a sliding plate 11 horizontally movably penetrating through the sliding groove 8, and a through hole 12 for the spindle to pass through is arranged in the middle of the sliding plate 11.

Optionally, a clamping groove 13 is horizontally formed in the center of the top of the elastic rope sleeve 6, the sliding plate 11 is movably clamped in the clamping groove 13 of the elastic rope sleeve 6, and the locking member tightly limits the sliding plate in the clamping groove of the elastic rope sleeve. Draw-in groove 13 plays spacing effect to sliding plate 11, makes sliding plate 11 joint in draw-in groove 13, and when stretch cord sleeve 6 was rotating, better drive sliding plate 11 rotated, avoided pressing from both sides tight sliding plate 11 because of centering ring plate 10, caused sliding plate 11 and stretch cord sleeve 6 top phenomenon of skidding to appear.

Optionally, a spacer 14 is clamped in each of the clamping grooves 13 between the sliding plate 11 and the centering ring plate 10. The sliding plate 11 is better fixed in the clamping groove 13, and abnormal sound caused by shaking of the sliding plate 11 is prevented when the elastic rope sleeve 6 rotates.

Optionally, a nylon pad 15 is movably sleeved on the driving member between the centering ring plate 10 and the elastic rope sleeve 6. The friction force between the elastic rope sleeve 6 and the centering circular plate 10 is increased through the nylon cushion 15, the centering circular plate 10 is better fixed on the elastic rope sleeve 6, and the stability of the elastic rope sleeve during rotation is improved.

Alternatively, a thrust ball bearing 16 is movably sleeved on the driving member between the pull rope sleeve 7 and the elastic ball sleeve 6, the upper side of the thrust ball bearing 16 is tightly abutted on the bottom of the elastic ball sleeve 6, and the lower side of the thrust ball bearing 16 is tightly abutted on the top of the pull rope sleeve 7. The friction between the pull rope sleeve 7 and the elastic ball sleeve 6 is reduced, so that the pull rope sleeve and the elastic ball sleeve can rotate better, and the abrasion caused by rotation is reduced.

Optionally, an upper groove 17 is formed in the center of the bottom of the bungee sleeve 6, a lower groove 18 is formed in the center of the top of the lanyard sleeve 7 at a position corresponding to the upper groove 17, and the thrust ball bearing 16 is movably clamped between the upper groove 17 and the lower groove 18. By confining the thrust ball bearing 16 within the upper and

lower grooves

17, 18, the distance between the pull-cord sleeve 7 and the stretch-ball sleeve 6 is reduced, thereby avoiding the stretch cord from becoming trapped in the gap between the pull-cord sleeve 7 and the stretch-ball sleeve 6 during winding.

Optionally, a tetrafluoro pad 19 is provided between the rope base 2 and the rope sleeve 7. The PTFE pad 19 enables the pull rope sleeve 7 to be more stably fixed on the pull rope bottom plate 2, and the stability between the pull rope sleeve and the pull rope bottom plate is improved.

Optionally, two unidirectional needle bearings 9 are arranged on the inner wall of the pull rope sleeve 4 in parallel up and down. The contact area between the water tank main shaft and the water tank main shaft is increased, and the water tank main shaft is better driven to rotate.

Before the device is used, one end part of the elastic rope is required to be clamped into a fixing hole 20 of the elastic rope sleeve 6, and then a lock pin is inserted into a positioning hole 21 at the top of the elastic rope sleeve 6. Meanwhile, the sliding plate 11 is inserted into the sliding groove 8 of the elastic rope sleeve 3 and is clamped in the clamping groove 13 at the top of the elastic rope sleeve 6. And then the two cushion blocks 14 are respectively clamped at the two ends of the clamping groove 13 in sequence. Then, the centering ring plate 10 is connected to the top of the elastic rope sleeve 6, so that the end of the elastic rope is fixed to the clamping column. And then the inner end of the pull rope is hooked on the magic tape hair surface arranged on the side surface of the pull rope sleeve through the magic tape hook surface arranged on the side surface of the pull rope sleeve. When the stay cord needs to be calm, the elastic cord sleeve 6 can be held by hands to move upwards, the elastic cord sleeve 6 drives the elastic cord sleeve 3 to move upwards together through the sliding plate 11, and therefore the elastic cord sleeve 3 is separated from the stay cord sleeve 4. After the elastic rope sleeve 3 is completely separated from the saw teeth 5 on the pull rope sleeve 4, the elastic rope sleeve 6 is twisted to rotate along the main shaft of the water tank, and the elastic rope sleeve 6 winds the elastic rope sleeve 6 by one circle in the rotating process. When tightened, the bungee sleeve 6 is pushed downward, thereby causing the serrations 5 on the bungee sleeve 3 to reclose with the serrations 5 on the cord sleeve 4. Loosen elastic rope sleeve 6, along with under the effect of elastic rope restoring force, drive elastic rope sleeve 6 and elastic rope sleeve 3 and rotate, and then drive stay cord sleeve 4 and stay cord sleeve 7 through sawtooth 5 and rotate to twine the stay cord on stay cord sleeve 7. At this time, the one-way needle bearing 9 does not drive the water tank main shaft to rotate.

In addition, when the tensile force needs to be increased, when the elastic rope is not wound, the elastic rope sleeve 6 is moved upwards, the elastic rope sleeve 6 continues to rotate according to the steps, the elastic rope is wound on the elastic rope sleeve 6, after the elastic rope is wound for a plurality of circles, the elastic rope sleeve 6 is restored to the original position, the elastic rope is restored to be deformed, the pull rope sleeve 7 is driven to continue to wind the pull rope, at the moment, the distance side length of the pull rope is completed by a body builder, and therefore the pull rope force is increased.

When the device is used, the stay cord is pulled, the stay cord wound on the stay cord sleeve 7 is pulled out outwards, the stay cord sleeve 7 is driven to rotate in the pulling process, and the stay cord sleeve 4 drives the water tank main shaft to rotate through the one-way needle bearing 9, so that water in the water tank is stirred by water slurry. When the water tank main shaft rotates, the elastic rope sleeve 3 and the elastic rope sleeve 6 are driven to rotate together, and then the elastic rope is wound on the elastic rope sleeve 6. The hands which pull the pull rope are loosened, and the pull rope is wound on the pull rope sleeve 7 again under the acting force of the elastic rope which recovers the deformation. The above steps are repeated, and the body builder can exercise. Its structural design is reasonable, high durability and convenient operation, the stretch cord sleeve adopts split type connected mode with the stay cord sleeve, original installation order has been changed, can glue the free end of stay cord in advance on the stay cord sleeve, need not body-building person and fix it after twining the stretch cord for a long time, effectively liberate both hands, simplify the installation and reduce the installation degree of difficulty, even the body-building person who does not have the equipment experience also can easily accomplish the equipment of rowing machine, and simultaneously, body-building person can be according to the self condition, adjust its valuable tensile strength through the control stay cord at any time, do not hinder the time of body-building person's body-building, the suitability is stronger, the flexibility is higher, the problem that exists among the prior art has been solved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. An elastic rope adjusting device for a rowing machine comprises a fixed seat arranged on a water tank, a pull rope bottom plate is movably arranged above the fixed seat, a main shaft of the water tank upwards sequentially and vertically penetrates through the central position of the fixed seat and the central position of the pull rope bottom plate, it is characterized in that a driving piece is movably sleeved on the main shaft of the water tank above the pull rope bottom plate, the driving piece comprises an elastic rope sleeve and a pull rope sleeve which are connected end to end, the elastic rope sleeve and the pull rope sleeve at one end connected with each other are respectively provided with mutually meshed sawteeth, an elastic rope sleeve is sleeved on the elastic rope sleeve, a stay rope sleeve is sleeved on the stay rope sleeve below the elastic rope sleeve, sliding grooves are symmetrically formed in the left side wall and the right side wall of the elastic rope sleeve along the height direction of the stay rope sleeve, a linkage piece horizontally penetrates through the sliding grooves of the elastic rope sleeve, and the two ends of the linkage piece are fixedly connected to the top of the elastic rope sleeve through locking pieces; at least one unidirectional needle bearing for clamping the water tank main shaft is arranged on the inner wall of the pull rope sleeve.

2. The bungee cord adjustment device of claim 1, wherein the locking member comprises a centering ring plate movably sleeved on an outer side of the bungee cord sleeve, the centering ring plate being fixedly connected to a top of the bungee cord sleeve by a plurality of locking bolts.

3. The bungee cord adjustment device for a rowing machine of claim 1 or 2, wherein the linkage member comprises a sliding plate horizontally movable through the sliding slot, and a through hole for the main shaft to pass through is provided in a middle portion of the sliding plate.

4. The bungee cord adjustment device for the rowing machine of claim 3, wherein a slot is horizontally formed in the center of the top of the bungee cord sleeve, the sliding plate is movably clamped in the slot of the bungee cord sleeve, and the locking member tightly limits the sliding plate in the slot of the bungee cord sleeve.

5. The bungee cord adjustment device of claim 4, wherein a spacer is clamped in each of the clamping slots between the sliding plate and the centering ring plate.

6. The bungee cord adjustment apparatus of claim 4, wherein a nylon pad is movably sleeved on the driving member between the centering ring plate and the bungee cord sleeve.

7. The bungee cord adjustment apparatus of claim 1, wherein a thrust ball bearing is movably sleeved on the driving member between the tension rope sleeve and the bungee ball sleeve, an upper side of the thrust ball bearing tightly abuts against a bottom of the bungee ball sleeve, and a lower side of the thrust ball bearing tightly abuts against a top of the tension rope sleeve.

8. The device as claimed in claim 7, wherein an upper groove is formed at the center of the bottom of the elastic rope sleeve, a lower groove is formed at the center of the top of the pulling rope sleeve corresponding to the upper groove, and the thrust ball bearing is movably clamped between the upper groove and the lower groove.

9. The bungee cord adjustment device of claim 1, wherein a tetrafluoro pad is disposed between the rope pulling bottom plate and the rope pulling sleeve.

10. The device of claim 1, wherein the two unidirectional needle bearings are disposed side by side up and down on the inner wall of the pull-rope sleeve.