CN102238984B

CN102238984B - Weight plate with externally actuated spring loaded internal locking device

Info

Publication number: CN102238984B
Application number: CN2008801322486A
Authority: CN
Inventors: 马克·纳利
Original assignee: MEI LONG (XIAMEN) FITNESS EQUIPMENT CO Ltd
Current assignee: MEI LONG (XIAMEN) FITNESS EQUIPMENT CO Ltd
Priority date: 2008-10-06
Filing date: 2008-10-06
Publication date: 2013-11-20
Anticipated expiration: 2028-10-06
Also published as: CA2739817A1; EP2349498A1; CA2739817C; EP2349498A4; EP2349498B1; WO2010042086A1; CN102238984A

Abstract

A weight plate (200) for use with physical fitness equipment comprising a plate body with at least a main throughbore (203) and additional optional throughbores (201, 202) passing therethrough. The body aditionally has an internal bore (205) within the thickness of the plate body which intersects the main central throughbore (203). A spring loaded selector pin (701) is movably mounted within the internal bore (205) to selectively engage and disengage the plate body to a post (108) positioned in the main throughbore. A handle (702) is mounted to the selector pin (701) externally to the plate (200) to selectively position the selector pin.

Description

Weight stack with the spring-loaded internal locking device from externally actuated

Technical field

The present invention relates generally to body-building equipment, especially, relates to the weight stack with inner spring-loaded pin, and described pin is become simple from externally actuated to reach easily, safely the selection that makes simply the weight stack exercising apparatus.

Background technology

Body-building equipment (also referred to as the equipment of being healthy and strong or exercising apparatus) often adopts many forms to tear the needed resistance of musculature during exercise state to be provided.In the current epoch, the resistance that has developed many exquisitenesses produces system or machine, and they use for example in conjunction with the stacking system of selectable weight stack.By design, owing to can incrementally selecting available resistance, known equipment allows the user in module, to increase weight.These systems often make a promise to allow the person taking exercise obtain faster and better result.Although history shows machinery and/or bio-mechanical and may be conducive to muscle growth, when over 40 years, seldom or almost not make an effort to simplify selected weight stack stacking or make the stacking safer and modernization of the weight stack of selecting.

Typically, traditional weight stack is stacking is the plate of multilayer take metal as stock, and these plate set reach total counterweight amount.Usually, weight stack is stacking comprises various rectangle Weight plates, and it is typically an inch and about 10 and takes advantage of 4 inches sizes.The plate of every kind of routine known in the art comprises four borings wherein.The thickness of plate is vertically passed in three borings from the end face to the bottom surface.The 4th boring (between end face and bottom surface) in the width of plate is flatly passed from front, and intersects with that boring of centre in three boring.

Two through holes engage or accept a pair of separated guide rod and make plate thereon vertically along rail moving.Middle through hole holds newel.In newel, have the manifold diameter through hole and using receiver member as the independent selection pin that passes the 4th through hole.Like this, by with hand, inserting and select pin, each plate can be independently and is optionally engaged as the stacking part of weight stack, wherein selects the general outline of pin to be longer than the width of plate and at one end to have certain bundle of circles hand, makes the user to operate better and selects pin.This pin inserts the 4th through hole and the through hole in newel that passes in plate, and so that Weight plate is locked onto to newel, it is moved when equipment is operated afterwards.

Although the stacking purpose that has realized that it is wanted of all those traditional weight stacks as described above, still can carry out substantial improvement aspect a lot.

With the stacking relevant key issue of traditional weight stack, be that the selection pin is dismountable and often misplaced, stolen or damaged, so replaced by big or small inefficient pin on function and/or structure.Due to the intrinsic design of having violated equipment, this inappropriate replacement has caused somatic damage.

Dismountable pin also allow the user easily to change the operation of equipment and exceed manufacturer to plate and/or the stacking design standard of weight stack.

In addition, realize selecting pin to be inserted in the horizontal through hole and newel of weight stack, need dexterity and the hand eye coordination of certain level, this causes further restriction to obtaining correct and effective result.

Therefore, there are such needs: a kind of Weight plate of easy manufacture, its structure that has can allow the possibility of puzzlement, misuse or fault of user aspect and the minimizing possibility that hurts the user, still keeps changing simultaneously the convenience of weight stack, and not to user's cause danger.Weight plate of the present invention meets this needs.

Applicant's name is called " weight plate with externally actuated internal locking device " and is awarded Patent right patent 7,179,208 on February 20th, 2007, is incorporated in as a reference this.

Summary of the invention

Weight plate of the present invention provide a kind of easily, the equipment of overall package, be used to making inner pin, can optionally engage or break away from relevant device.

Weight plate comprises the plate main body, the plate main body have central through hole and two vertically pass the plate main body to accessibke porosity.Main body has inner horizontal boring in addition, and this boring is intersected at the vertical through hole in the thickness Nei Yu center of plate main body.Select pin to be arranged on movably inner horizontal boring interior so that optionally engages plate body is to the newel of relevant device, wherein said newel passes central through hole.Locating sleeve is arranged in the internal bore in plate, with regioselective pin optionally in internal bore.Spring engages selects pin to provide detent force to arrive the selection pin in locating sleeve.

The accompanying drawing explanation

Fig. 1 is the perspective view of the decomposed of Weight plate assembly well known in the prior art.

Fig. 2 is the profile of Weight plate device of the present invention.

Fig. 3 is the plane of a side surface of the Weight plate device shown in Fig. 2.

Fig. 4 is the enlarged side view that is used in the locating sleeve in Weight plate device of the present invention.

Fig. 5 is the end-view of the locating sleeve shown in Fig. 4.

Fig. 6 is the cross-sectional view of the locating sleeve shown in Fig. 4.

Fig. 7 is the plane of the stop pin mechanism of Weight plate device of the present invention.

Fig. 8 is the profile at the Weight plate device of bonding station.

Fig. 9 is the profile at the Weight plate device of disengaging configuration.

The specific embodiment

With reference now to Fig. 1,, traditional Weight plate 100 known in the art is shown.Typically, the plate of multilayer take metal as basic material is used to reach the total gross weight at counterweight apparatus upper set.Usually, Weight plate 100 comprises rectangular body, this main body typically approximately an inch and 10 take advantage of 4 inches sizes.Tradition Weight plate 100 comprises three vertical through holes 101,102 and 103, and these through holes arrive from end face the thickness that plate is passed in bottom surface.Fourth hole 105 flatly passes the width of plate, that is, from front to back, and be to pass between end face and bottom surface.Through hole 105 intersects with intermediate throughholes 103, and passes from it plate that enters on an other side of through hole 103.

In typical case's application, through

hole

101 and 102 engages a pair of separated guide rod 106 and 107 (illustrating with dotted outline).This layout allows plate 100 along track, to move vertically on guide rod.

Intermediate throughholes 103 is held same with the newel 108 shown in dotted outline.Newel 108 has manifold diameter through hole 109 and usings receiver member as the selection pin 110 be used to passing through hole 105.Each plate 100 can be selected pin 110 and independently be selected by manual insertion, the general front and back width of slightly being longer than arbitrary plate of described selection pin 110, and have at one end suitable handle 110A and make the user can handle better described pin.Sell by manual insertion and pass the Weight plate that the through hole 109 (after weight stack is moved up and down vertically) in through hole 105 and newel 108 is expected with selection.

Although the stacking purpose that has successfully realized expection of all those traditional weight stacks as described above, still have many aspects can carry out substantial improvement.For example, select pin 110 frequently mislayed and replaced by big or small inefficient pin on function and/or structure.Due to intrinsic design defect, this unaccommodated replacing causes physical impairment in history, and described intrinsic design defect allows the user to have the right to change the use of system openly and exceeds the intention of manufacturer and/or (weight stack is stacking) design of plate.

Additionally, make this " joint " selecting to sell in 110 through holes at Weight plate 100 105 effective, need dexterity and the hand eye coordination of certain level, this has further limited the use of Weighting system or equipment.

With reference now to Fig. 2,, the profile of selection Weight plate 200 of the present invention is shown.Select Weight plate 200 have traditional rectangular configuration and formed by the rigid material such as iron, steel, polyurethane, rubber, plastics or composite.For the plate that provides a cover to have Different Weight, the size characteristic of plate often changes.As an example, the Weight plate of ten pounds can have 10 inches long, 4 inches wide, the size of 1 inch.These sizes are only for illustrative and nonrestrictive.The shape and size of plate submit to the preference of design.

Typically, plate 200 is similar with the prior art Weight plate, be formed with intermediate throughholes 203 so that pin-receiving is accepted regulating rod (seeing the newel 108 in Fig. 1), also be formed with two adjacent through

holes

201 and 202, through

hole

201 and 202 comprises respectively the

bearing

206 and 207 of low friction type.Through

hole

201 and 202 is accepted the vertical guide bar (seeing the

rod

106 and 107 in Fig. 1) of the stable plate of selecting.

Plate 200 also is formed with cavity 205, and when by outer handle 702, being activated, this cavity allows stop pin 701 (7-9 with the aid of pictures) to insert and move through through hole 203 and newel 108 in drill end cavity 205A.The outer end of cavity 205 is suitable for accepting to be inserted into the sleeve pipe 300 (seeing Fig. 4) in plate 200.Cavity 205 comprises female thread portion 205B, and this female thread portion is suitable for threadably accepting the inner 305 with abutment sleeve 300.

With reference now to Fig. 3,, the plane of a side of Weight plate 200 of the present invention is shown.Plate 200 is formed with internal cavities 205 at the front edge surface place, and this inner chamber allows pin assemblies 700 (seeing Fig. 7) to insert.Cavity 205 is communicated with the through hole 203 that holds support column 108.Threaded portion 205B on the surface of cavity 205 is illustrated.Cavity 205 is formulated size rightly, thereby allows pin 701 to move when pin 701 activated at the place, outer end.Should be appreciated that, cavity 205 can be formed on arbitrary side of plate 300 as expecting.

Fig. 4 is the side view of sleeve pipe 300, on this sleeve-shaped, is general cylindrical shape, has the threaded portion 305 of the end 308 of close cylindrical body.This threaded portion 305 is set to engage the threaded inner section 205B (seeing Fig. 2 and 3) of the cavity 205 in Weight plate.Although be not limited to this, sleeve pipe 300 is usually made by high strength plastic materials.

Place, opposite end at sleeve pipe 300 forms the roughly end 306 of hexagonal shape.By means of spanner etc., " hexagon " shape is normally useful, for being threadedly engaged with of the sleeve pipe 300 in the cavity 205 that tightens up and be fixed on plate 200.

Fig. 5 is the view (as shown in Figure 4) of seeing from its right-hand member of sleeve pipe 300." six-sided nut " end 306 is shown.In addition, this end-view illustrates the groove 310 in the inwall 300A of the cylindrical-shaped main body that is formed on sleeve pipe 300.Groove 310 optionally allows retaining pin 711 to slide and navigate on wherein (seeing Fig. 3) on double pointed nail 701.

Fig. 6 is the profile of sleeve pipe 300, and it illustrates thread head 305 and the end face 308 of sleeve pipe.Groove 310 in inwall 300A is together illustrated with the interruption ledge 311 at the place, outer end that is formed on inwall 300A.

Fig. 7 is the plane of stop pin mechanism 700.This mechanism comprises pin 701, and pin 701 is actually bar or the axle that is formed by suitable robust materials (such as, but not limited to steel etc.).Pin 701 is connected to for example handle 702 of (or being formed integral to) suitable handle.In a preferred embodiment, pin 701 forms and is threadingly attached to by metal the handle 702 of being made by wood, plastics etc.

The axle of pin 701 comprises swaged forging or otherwise is fixed to the retaining ring 703 of pin 701.Retaining ring 703 is suitably formulated size with the main body of passing cavity 205 but is not passed its exterior section.

In addition, wind spring 710 is around the axle of pin 701 and be held to encircle 703 and engage (or mounted thereto).

Retaining pin 711 forms or otherwise is arranged on the axle place of pin 701.Can swaged forging radially extend from it to the retaining pin 711 on axle 701.The size of retaining pin is formulated as optionally passing groove 310 (seeing Fig. 5 and 6) the interruption ledge 311 in abutment sleeve 300 optionally.

Weight plate 200 of the present invention assembles by the plate 200 shown in forming.Before at handle 702, being connected to the outer end of pin, the end of the axle of spring 710 process pins 701 also engages with retaining ring 703.

Equally, the axle of pin 701 passes sleeve pipe 300 from thread head 365.Then handle 702 is connected to the axle of pin 701, thereby between the bottom 308 of handle 702 and sleeve pipe 300, is catching spring 710 on the axle of pin 701.

Then by the outside opening in the clearest sidewall that illustrates in Fig. 3, sleeve pipe 300 (pin 701 is in sleeve pipe) is inserted in cavity 205.Then the end of thread 305 of sleeve pipe 300 is threadedly engaged with the threaded portion 205A of cavity 205.By means of the spanner at hexagonal end 306 places that are applied in sleeve pipe etc., sleeve pipe 300 is closely fixed.

Fig. 8 illustrates the profile of Weight plate 200 in the non-locking with respect to support column 108 (or disengaging) position.In other words, pin 701 effectively is kept in cavity 205.

For preserve pin 701 (or pin 701 from its with the engaging of support column 108 discharge), handle 702 rotates, until retaining pin 711 is alignd with the groove 310 in sleeve pipe 300.Handle 702 and pin 701 are pulled outwardly out together and make pin pass sleeve pipe 300, oppress thus the spring 710 between the inner 308 of ring 703 and sleeve pipe 300.While having passed the central opening in sleeve pipe, pin 701 rotates and makes retaining pin 711 and groove 310 break away from aligned condition when pin 701 (with retaining pin 711).At the place, outer end of sleeve pipe 300, retaining pin 711 is locked against interior ledge 311.Here, pin 701 breaks away from post 108, and Weight plate 200 can add or from wherein removing.

Fig. 9 illustrates the profile of the Weight plate 200 when pin 701 is in the latched position with respect to support column 108.For Weight plate 200 is locked onto to newel 108, handle 702 (and the pin 701 that connects) rotates, oppressed spring 710 between tube ends 308 and retaining ring 703 thus retaining pin 711 alignd with the groove 310 in sleeve pipe 300, so can force pin 701 inwardly to enter into drill end 205A via the diameter through hole in the support column 108 in through hole 203.Spring 710 retaining pins 701 are in latched position, and join plate to support column until sell 701 and be released as about Fig. 8, discussing.

Thereby, it should be noted that locking mechanism belongs to Weight plate, but the yardstick outside that is easy to slave plate for safety approaches.Those skilled in the art will recognize that many benefits provided by the present invention and advantage.It is highly important that, with single finger, carry out to select easily and safely the ability of counterweight, kept simultaneously following advantage: provide whole form and consistent system to reduce expense and to be exposed to consumer's responsibility.

Although with reference to preferred embodiment, illustrate particularly and described the present invention, it should be appreciated by those skilled in the art that and can make in form and details without departing from the spirit and scope of the present invention various changes.

Thereby, illustrated and described a kind of design and concept of uniqueness of the Weight plate with externally actuated spring-loaded interior locking device.Although describe to concentrate on specific embodiment, should be appreciated that, it may occur to persons skilled in the art that the specific embodiment that illustrates here and describe is modified and/or changed.Any this modification or change that falls in this specification scope should be included therein equally.Be appreciated that herein description is only for illustrative and nonrestrictive.On the contrary, scope of the present invention described herein is only by appended claim restriction.

Claims

1. Weight plate for body-building equipment comprises:

The Weight plate main body, be formed with at least the first boring of vertically passing described Weight plate main body,

Internal bore, be horizontally formed in described Weight plate main body and with described the first boring and be communicated with,

Sleeve pipe, be arranged in the described internal bore in described Weight plate main body,

Double pointed nail, be arranged in the described sleeve pipe in the described internal bore in described Weight plate main body movably,

Described double pointed nail comprises the retaining pin of radially extending from it, and described sleeve pipe is included in the groove for optionally allowing described retaining pin pass wherein,

Spring, be suitable for optionally in described internal bore, moving described double pointed nail and pass through described the first boring, and

Handle, be connected to described double pointed nail in described internal bore, to move described double pointed nail from described the first boring, to remove described double pointed nail.

2. Weight plate according to claim 1 comprises:

Retaining ring, be formed on described double pointed nail be used to keeping described spring in described internal bore.

3. Weight plate according to claim 1, wherein

Described Weight plate main body is formed by metal material.

4. Weight plate according to claim 1, wherein

Thereby described handle from described Weight plate main body stretch out described handle can activate described double pointed nail with optionally be positioned at described Weight plate main body described first boring in.

5. Weight plate according to claim 1, wherein

Described plate main body is rectilinear form.

6. Weight plate according to claim 1, wherein

The inner surface of described sleeve pipe and described internal bore is threadedly engaged with.

7. Weight plate device comprises:

Linear Weight plate, be formed with internal cavities,

Double pointed nail, described double pointed nail are slidably mounted in the described cavity in described Weight plate, thereby described double pointed nail can be operated by outer handle, make described double pointed nail provide to be integrally formed in the ACTIVE CONTROL internal mechanical locking system in described Weight plate, and

Sleeve pipe, the described double pointed nail that is threadedly engaged with for the inner surface of accepting with described Weight plate,

Described double pointed nail comprises the retaining pin of radially extending from it, and described sleeve pipe is included in the groove for optionally allowing described retaining pin pass wherein.

8. device according to claim 7, wherein

Described cavity sizing is for accepting slidably described double pointed nail.

9. device according to claim 7, wherein

Described outer handle stretches out from described Weight plate main body, thereby described handle can activate described double pointed nail, optionally to be arranged in the described cavity of described Weight plate main body.

10. Weight plate for body-building equipment comprises:

Linear plate main body, be formed with and vertically pass described plate main body in order to accept at least the first boring of lifting column,

Internal bore, it is horizontally formed in described plate main body and with described the first boring and intersects,

Double pointed nail, be arranged in described internal bore movably,

Sleeve pipe, it threadably is arranged in described internal bore by it, to accept slidably described double pointed nail,

Described double pointed nail comprises retaining pin, and described retaining pin radially extends to engage the shoulder described sleeve pipe from double pointed nail, and described sleeve pipe is included in the groove for optionally allowing described retaining pin pass in described shoulder,

Spring, it is arranged on described double pointed nail and is suitable for optionally mobile described double pointed nail in described internal bore, and moves described double pointed nail and pass described the first boring optionally to engage lifting column, and

Handle, it is connected to the described double pointed nail in described plate main body outside, to allow described double pointed nail, in described internal bore, optionally moves away engaging of described the first boring and disengaging and lifting column.

11. Weight plate according to claim 10 comprises:

Retaining ring, it forms an end of contiguous described double pointed nail, to keep described spring on described double pointed nail and in described internal bore.

12. Weight plate according to claim 10, wherein

Described main body is formed by metal material.