CN102238984A

CN102238984A - Weight plate with externally actuated spring loaded internal locking device

Info

Publication number: CN102238984A
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: 2011-11-09
Anticipated expiration: 2028-10-06
Also published as: CN102238984B; CA2739817A1; EP2349498A1; CA2739817C; EP2349498A4; EP2349498B1; WO2010042086A1

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

Have from the weight stack of externally actuated spring-loaded internal locking device

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 the selection that makes the weight stack the exercising apparatus simply easily, safely.

Background technology

Body-building equipment (being 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 the system of for example piling up in conjunction with selectable weight stack.By design, owing to can incrementally select available resistance, known equipment allows the user to increase weight in module.These systems often make a promise to allow the person taking exercise obtain faster and better result.Though history shows machinery and/or bio-mechanical and has the muscle growth of being beneficial to, when simplifying selected weight stack and pile up or make safer and modernized that selected weight stack piles up seldom or almost not making an effort over 40 years.

Typically, it is that multilayer is the plate of stock with the metal that traditional weight stack piles up, and these plate set reach total counterweight amount.Usually, weight stack piles up and comprises various rectangle Weight plates, its be typically one inch thick and about 10 take 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 the front, and intersects with that boring of centre in three boring.

Two through holes engage or accept a pair of separated guide rod and plate is moved along track thereon vertically.Middle through hole holds newel.Has the manifold diameter through hole in the newel with receiver member as the independent selection pin that passes the 4th through hole.Like this, select pin by inserting with hand, each plate can be independently and is optionally engaged a part of piling up for 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 the plate, and so that Weight plate is locked onto newel, it is moved when equipment is operated afterwards.

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

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

Dismountable pin also allows the user to change the operation of equipment easily and exceeds the design standard that plate and/or weight stack are piled up of manufacturer.

In addition, realize selecting pin to be inserted in the horizontal through hole and newel of weight stack, need the 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 manufacturing, 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 the convenience of weight stack simultaneously, and the user is not caused danger.Weight plate of the present invention satisfies 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 this as a reference.

Summary of the invention

Weight plate of the present invention provide a kind of easily, the equipment of overall package, be used to make 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 with the vertical through hole in center in the thickness of plate main body.It is interior so that optionally engages plate body is to the newel of relevant device to select pin to be installed in inner horizontal boring movably, and wherein said newel passes central through hole.Locating sleeve is installed in the internal bore in the plate, location optionally to select pin in internal bore.Spring engage to select pin to arrive selection pin in the locating sleeve so that detent force to be provided.

Description of drawings

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

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 the 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, multilayer is that the plate of basic material is used to reach the total gross weight at counterweight apparatus upper set with the metal.Usually, Weight plate 100 comprises rectangular body, this main body typically about one inch thick 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 the thickness that plate is passed in the bottom surface from end face.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 the plate that enters on an other side of through hole 103 from it.

In the typical case used, through

hole

101 and 102 engaged a pair of separated guide rod 106 and 107 (illustrating with dotted outline).This layout allows plate 100 to move vertically at guide rod upper edge track.

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

Though pile up such as those traditional weight stacks recited above and successfully to have realized its intended purposes, still have many aspects can carry out substantial improvement.For example, selection pin 110 is frequently mislayed and is replaced by big or small inefficient pin on function and/or the structure.Because intrinsic design defect, this in history unaccommodated replacing causes physical impairment, 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 piles up) design of plate.

Additionally, make and select this " joint " of pin 110 in the through hole 105 of Weight plate 100 effective, need the 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.Selection Weight plate 200 has traditional rectangular configuration and is 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, ten pounds Weight plate can have 10 inches long, 4 inches wide, 1 inch thick size.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 among Fig. 1), also be formed with two adjacent through

holes

201 and 202, through

hole

201 and 202 comprises the

bearing

206 and 207 of low friction type respectively.Through

hole

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

rod

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

Plate 200 also is formed with cavity 205, and when being activated by outer handle 702, 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 the 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, is general cylindrical shape on this sleeve-shaped, 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 the Weight plate.Although be not limited thereto, 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, is used for tightening up and be fixed on being threadedly engaged with of sleeve pipe 300 in the cavity 205 of plate 200.

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

Fig. 6 is the profile of sleeve pipe 300, and it illustrates the 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, pin 701 be actually the bar that forms by suitable robust materials (such as, but not limited to steel etc.) or spool.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 the handle of being made by wood, plastics etc. 702 by metal.

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 do not pass its exterior section.

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

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

Weight plate 200 of the present invention assembles by the plate 200 shown in forming.Be connected at handle 702 before the outer end of pin, spring 710 engages through the end of the axle of pin 701 and with retaining ring 703.

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

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 the cavity 205 then.The end of thread 305 of sleeve pipe 300 is threadedly engaged with the threaded portion 205A of cavity 205 then.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 Weight plate 200 with respect to the profile in the non-locking of support column 108 (or disengaging) position.In other words, pin 701 effectively is kept in the cavity 205.

For preserve pin 701 (perhaps pin 701 from its with the engaging of support column 108 discharge), handle 702 rotates, up to keeping pin 711 to align with groove 310 in the sleeve pipe 300.Handle 702 and pin 701 are pulled outwardly out together and make pin pass sleeve pipe 300, oppress the spring 710 between the inner 308 of ring 703 and sleeve pipe 300 thus.When pin 701 (with keeping pin 711) when having passed the central opening in the sleeve pipe, pin 701 rotates and makes and keep pin 711 and groove 310 to break away from aligned condition.Place, outer end at sleeve pipe 300 keeps pin 711 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 latched position with respect to support column 108.For Weight plate 200 is locked onto newel 108, handle 702 (and the pin 701 that is connected) rotates, oppressed spring 710 between tube ends 308 and retaining ring 703 will keep pin 711 to align thus, so can force pin 701 inwardly to enter into drill end 205A via the diameter through hole in the support column in the through hole 203 108 with groove 310 in the sleeve pipe 300.Spring 710 keeps pin 701 in latched position, and joins plate to support column and be released as discussing about Fig. 8 up to pin 701.

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

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

Thereby, illustrated and described a kind of unique design and notion with Weight plate of externally actuated spring-loaded interior locking device.Although describe to concentrate on certain embodiments, should be appreciated that, it may occur to persons skilled in the art that the specific embodiment that illustrates here and describe is made amendment and/or changed.Any this modification or change that falls in this specification scope should be comprised in wherein 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 that is used for body-building equipment comprises:

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

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

Sleeve pipe is installed in the described internal bore in the described Weight plate main body,

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

Described double pointed nail comprises the maintenance pin that radially extends from it, and described sleeve pipe is included in the groove that optionally allows described maintenance pin pass of being used for wherein,

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

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

2. Weight plate according to claim 1 comprises:

Retaining ring is formed on and is used to keep described spring on the described double pointed nail 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 the described Weight plate main body described first boring in.

5. Weight plate according to claim 1, wherein

Described plate main body is a 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 is formed with internal cavities,

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

Sleeve pipe is used to accept the described double pointed nail that the inner surface with described Weight plate is threadedly engaged with,

Described double pointed nail comprises the maintenance pin that radially extends from it, and described sleeve pipe is included in the groove that optionally allows described maintenance pin pass of being used for wherein.

8. device according to claim 7, wherein

Described cavity sizing is used 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 that is used for body-building equipment comprises:

Linear plate main body is formed with and vertically passes described plate main body so that accept to promote at least the first boring of post,

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

Double pointed nail is installed in the described internal bore movably,

Sleeve pipe, it threadably is installed in the described internal bore accepting described double pointed nail slidably by it,

Described double pointed nail comprises and keeps selling that described maintenance pin radially extends to engage the shoulder the described sleeve pipe from double pointed nail, and described sleeve pipe is included in the groove that being used in the described shoulder optionally allows described maintenance pin pass,

Spring, it is installed on the described double pointed nail and is suitable for optionally moving described double pointed nail in described internal bore, and move described double pointed nail pass described first boring with optionally engage promote post and

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

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 the 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.