CN1044636C

CN1044636C - Cord tightening device

Info

Publication number: CN1044636C
Application number: CN94104038A
Authority: CN
Inventors: 井田一夫
Original assignee: Yoshida Kogyo KK
Current assignee: YKK Corp
Priority date: 1994-04-18
Filing date: 1994-04-18
Publication date: 1999-08-11
Anticipated expiration: 2014-04-18
Also published as: CN1102815A

Abstract

The present invention relates to a rope tightening device which comprises a casing body and a sliding member, wherein the casing body is provided with a pair of a front plate and a back plate, traversing walls which are mutually connected with the front plate and the back plate and are opposite to the casing body and internal surfaces which are used for restricting a small opening of one end of the casing body and a big opening of the other end of the casing body, and the internal surface forward astringes; the sliding member is glidingly arranged in the casing body and is provided with a rope pressing part. The rope tightening device is provided with a sliding groove and a sliding protuberant mating member which is used for inserting the sliding groove, wherein the sliding groove is provided with a regulatory site which is used for preventing the sliding protuberant mating member from slipping from the sliding groove and a sloping part which is used for leading the sliding protuberant mating member to inserting the sliding groove. The rope tightening device with the structure as true as steel has the capacity for clamping the ropes for a long time.

Description

The tension device of rope

The present invention relates to a kind of that make with synthetic resin, be used for tensioning and be fitted in rope on rainwear, knapsack, safety garment, the shopping bag etc., thereby reach the tension device of their purpose ropes of tensioning.

As a kind of like this rope tension device, it comprises a prismatic hollow body and a moveable arm device that is located in the hollow body, described hollow body is to be made of with a diapire and relative horizontal sidewall a roof that separates in parallel to each other, and described transfer arm device is provided with four whippy clamping elements, they are arranged to relative with the horizontal sidewall of hollow body, between clamping element and horizontal sidewall, inject into a rope of back-shaped bending and it is compressed on the horizontal sidewall of body so that allow, the tensioning of will restricting thus, and this rope tension device also comprises the releasing device of an insert, it can be by manual operations to discharge the work impacting force (referring to publication number SHO57-42,552 Japan Patent) that clamping element applies rope.

Another kind of pattern as this class rope tension device of being discussed, at publication number HEI2-46,731 Japanese Utility Model and the corresponding US of announcing on August 23rd, 1,988 4,765, disclosed a kind of rope tension device among 034 (Kasai's), it comprises that a plane view is trapezoidal hollow body and slide block usually, this hollow body is provided with a little width opening and a big width opening on its relative two end part, and on its header board, be provided with a sliding eye, and slide block has a tensioner and an operation piece, in order to one section rope is pressed against on the horizontal sidewall of body, and operation piece and tensioner are made integral body and outstanding and by being opened in the sliding eye on the header board from this hollow body surface.In this rope tension device, slide block is provided with a hole greater than this operative section periphery, and this operative section is flexibly outstanding props up in tensioning portion, and is pressed in usually on the described hole.This header board is located on the rear surface of big width opening side of hollow body and has guiding groove, slides along the slide opening direction on the hollow body in order to the operative section of guide shoe.

In addition, at publication number HEI-4-44, disclosed a kind of endless belt clasp in 575 the Japanese Utility Model, it comprises a hollow body and a slide blocks, it is trapezoidal that this hollow body generally is on plane view, opposite end at body is provided with an opening, its shape can make endless belt pass, this slide blocks is arranged in this hollow body so that cooperate with the horizontal sidewall of hollow body and stings the corresponding two halves of clamping endless belt, this hollow body also has the pilot hole that the header board of body in forms similar to external all shapes and a retainer, this retainer be fit to stop the ring portion of band to enter hollow body and is located on the big width open centre on the end of the body between the front and rear panel of body, and described slide block has one from the actuating element that wherein stretches out be fit to inject this pilot hole, passes pilot hole to realize the front surface operation slide block from hollow body so that stretch out from front surface.

In first example of known above-cited rope tension device, because the two relative horizontal sidewalls of hollow body or housing are archwises abreast or symmetrically, the clamping part that is used to sting the moveable arm of folder rope is engaged on two point with this housing bites same rope, and is applied on relative to each other the direction by the clamping action power of the generation of the clamping part in this housing.For discharging the work that clamping part is bitten rope, releasing device is provided in a side of on two points of each side, so that realizing its function on four points altogether.Moveable arm device and releasing device form dividually or replace with form two movably the device and a spring be located between them.Like this, they have just increased the structural complexity of whole rope tension device widely.In addition, because the effect of clamping part is to be caused by the spring that produces opposite action, the release that realizes rope reliably with absolute is not always carried out in the operation that is used to discharge rope swimmingly.

Yet, in the situation of the 3rd and the 3rd example, be used to control the slide block action so that cooperate the operative section of interlock rope or endless belt with hollow body owing to be provided with, so that it can stretch out from the front surface of this hollow body, this operative section just can contact some other object, thereby makes rope lax and make this rope tension device lose the effect of its tensioning easily.Also have, this operative section of stretching out from the front surface of hollow body outstanding, from design viewpoint, it constitutes an adverse factor.

Moreover, in the situation of the 3rd example, owing on this pilot hole of similar this hollow body periphery of vpg connection is header board at hollow body, form, thereby, the operative section of slide block can allow to move back and forth on the both direction of vertical and horizontal and slide block can allow freely to change the position towards the horizontal sidewall of hollow body, and this clasp can play well the rope tension device function and without undergoing rope, the tension force of an endless belt for example.Yet can directly be subjected in the rope tension device of tension force one, clasp just can not play the effect of a tension device.

Relate to a kind of rope tension device in WO88/02077, it comprises a housing with a cavity and a latch, and this latch comprises a standing part and a moveable part that is connected by spring.Be provided with a notch on shell body wall, the operator that is connected with moveable part stretches out this notch.The clamping of rope and unclamp by moving this operator and finish.The complex structure of this latch and spring part be fracture easily in use; In addition, reduced the intensity of housing owing to the existence of notch.

At US-A-4, disclosed a kind of rope controlling device in 379,358 patents, it comprises an individual and cover piece.This body has the U-shaped shape and forms a passage that is provided with the clamping projection in the central.Be provided with two ribs on this cover piece rope be clamped in they and clamp between the projection.On rib, be respectively equipped with two transverse projections and two cross grooves.On body wall with it be provided with two grooves and two projections suitably to combine with each projection or the groove of cover piece.On the cover piece lower surface, be furnished with depression 28 and be provided with a projection with inclined-plane.This depression combines with shoulder on the clamping projection top that is located at body by chamfered region.Body and cover piece have very complicated shape and all must move for the whole cover piece of clamping rope.

Therefore an object of the present invention is to provide a kind of like this rope tension device, this rope tension device possesses simple structure and can provide that the slider that is used in clamping rope is easy and simple to handle, the intensity of clamping rope is high and definitely keeps the function of clamped condition reliably, thus can be used as be fit to any kind of rope, see very good clamp device from design angle.

According to the present invention, this rope tension device comprises: the housing that a. one fixes, it has the relative transverse wall of a pair of forward and backward plate and a pair of this forward and backward plate of interconnection, the internal surface of described front and rear panel is as the surface of sliding, and described relative transverse wall has the little width opening that is limited on housing one end and the internal surface of convergent forward of the big width opening on its other end; And slider of b., it is slidably disposed on the inside of described housing, and having pressing section that on its relative lateral surfaces, forms and the upper and lower surface that is used as slidingsurface, described pressing section is suitable for rope is pressed against on the relative transverse wall of described housing; It is characterized in that: described rope tension device is provided with a slip projection counterpart that is used to inject described sliding-groove on the corresponding slidingsurface that a sliding-groove and described slider are set at least one slidingsurface of described housing, perhaps a slide protrusion counterpart that is used to inject described sliding-groove is set being provided with at least one slidingsurface of slider on a sliding-groove and the corresponding slidingsurface at described housing; At least one sliding-groove has the part of regulating in case described slip projection is deviate from from sliding-groove, described slip projection and in the face of another part described regulate the lateral surfaces of any in the part be tilt be used to guide described slip projection to inject the incline section of described sliding-groove to form one; Described slider can move between little width opening and adjusting part or slip projection in described fixing housing.

In a preferred embodiment of the present invention, this slider is provided with operative section, and this operative section is on the front end and back end of slider so that the mode that the relative opening that operative section forms by the front end and back end at housing exposes integrally forms.Best, this rope pressing section is that horizontal relatively side surface setting along slider is so that invest it with elasticity.Perhaps, bow-shaped arm can flexibly stretch out to form pressing section from slider along the horizontal relatively side surface of slider.

In another preferred embodiment of the present invention, a plurality of in conjunction with projection can a file be arranged in as one group housing or slider both one of slidingsurface on, and on the horizontal side direction on the slidingsurface of another part of this group, be furnished with ridge, what form like this selectively mutually combines and is separated from each other in conjunction with projection with in conjunction with ridge.A plurality ofly can arrange abreast with a file in conjunction with projection, its each is to form along the sliding-groove opposite flank, and sliding-groove is to form on the slidingsurface as one of one group housing and slider, and can arrange in a lateral direction one along the two opposite sides of the slidingsurface of another part of this group in conjunction with ridge.

Have a fixing housing according to above-mentioned rope tension device of the present invention, slider can move between little width opening and adjusting part or slip projection in this stationary housing.Like this, both needn't the mobile shell part also additional perforate needn't be set on housing.According to the present invention, be by making slider in housing, move and rope is clamped between the pressing section and housing sidewall of slider with respect to housing.The structure of such tension device is very simple and improved the intensity of device.

Tension device of the present invention allows perhaps to form on the respective surfaces at housing forming sliding-groove at least one slidingsurface of slider and inject the slip projection in the described sliding-groove and make housing and slider correspondingly mutually to being set to one group by forming the high slip projection of inserting in the sliding-groove that is used from sliding-groove and the corresponding slidingsurface at slider at least one slidingsurface of housing.In addition, the relative horizontal side surface of the slider that this housing is interior with injecting housing slidably can form different gaps, can form as long as move slider by certain orientation.This can be used to clamping rope at interval.Like this, the slip of the slider in housing just brings and produces the effect that clamps action reliably.

In addition, utilize a sliding-groove slip projection of guiding and an adjusting part that is used to stop the slippage of slip projection of band incline section, the slip projection being injected the operation of sliding-groove can finish easily and easily, and just is not easy slippage after should the slip projection in a single day injecting this sliding-groove.Like this, just can obtain definitely to guarantee reliably that this slider continues to remain on the effect in the housing.

Sliding-groove and slip projection be arranged on relative to one another housing front or rear panel internal surface and on the front surface or rear surface of slider.This layout can prevent that any part is exposed to outside the housing.Like this, rope tension device of the present invention just has very desirable outward appearance.

Other purpose of the present invention, characteristics and advantage can be seen more clearly from following description taken in conjunction with the accompanying drawings.

Fig. 1 cuts open the perspective view that shows according to one of first embodiment of rope tension device of the present invention through part;

Fig. 2 is that of rope tension device shown in Figure 1 cuts open the plane view that shows through part;

The part of Fig. 3 when to be rope tension device that Fig. 1 is shown with the state of tensioning clamp a rope cutd open and shown planimetric map;

Fig. 4 is the vertical profile side view of rope tension device before its each parts assembling of Fig. 1;

Fig. 5 is the vertical profile side view of rope tension device after its each parts assembling of Fig. 1;

Fig. 6 is that the part that second embodiment of rope tension device of the present invention is shown is cutd open the perspective view that shows;

Fig. 7 is that rope tension device that Fig. 6 the is shown part when clamping a rope with tensioning state is cutd open and shown planimetric map;

Fig. 8 is the longitudinal section side view of rope tension device after its each parts assembling of Fig. 6;

Fig. 9 is the perspective view that is used in the slider among the 3rd embodiment of rope tension device of the present invention;

Figure 10 illustrates to adopt slider shown in Figure 9 and the plane view of a transverse cross sectional of this rope tension device during with tensioning state clamping rope;

Figure 11 is that the part that the 4th embodiment of rope tension device of the present invention is shown is cutd open the perspective view that shows;

Figure 12 is that rope tension device (make and restrict when the keeping tensioning state) part that Figure 11 is shown is cutd open and shown planimetric map;

Figure 13 is the vertical profile side view of rope tension device after its each parts assembling of Figure 11;

Figure 14 is that the 5th embodiment that rope tension device of the present invention the is shown part when making rope keep tensioning state is cutd open and shown planimetric map;

Figure 15 be illustrate Figure 14 the rope tension device with another kind of tensioning state clamping rope the time part cut open and show planimetric map;

Figure 16 is that the part of a housing among the 6th embodiment who is used on the rope tension device of the present invention is cutd open and shown perspective view;

Figure 17 is the perspective view that is used in the housing of rope tension device of Figure 16 and holds a slider of inverse state;

Figure 18 illustrate one with the slider of the housing of Figure 16 and Figure 17 and the part of the rope tension device when making rope remain on tensioning state cut open and show plane view;

Figure 19 is the perspective view that is used for another example of slider of rope tension device of the present invention;

Figure 20 is the perspective view of the another example of slider.

Figure 21 is the perspective view of another example of slider;

Figure 22 is that the 7th embodiment of rope tension device of the present invention is cuing open the perspective view that shows with the part before the tensioning state clamping rope;

Figure 23 is that the part of rope tension device with tensioning state clamping rope time of Figure 22 cutd open the plane view that shows;

Figure 24 is the longitudinal section side view that the assembly parts of the housing of rope tension device of Figure 22 and slider is shown.

Now referring to accompanying drawing, Fig. 1 to 5 shows first embodiment of rope tension device of the present invention.A rope tension device 1 made from synthetic resin is by forming as housing of separate section or hollow body 10 and a slider 50.This housing 10 is made up of with a back plate 12 and at 12 integrally formed relative

horizontal sidewalls

13,14 of header board 11 and back plate a header board 11 of the same top view with common snakehead or trapezoidal shape, so that interconnect its relative lateral part.The convergent mode is opposed mutually forward with one for the internal surface of this relative transverse wall 13,14.So just make 10 one-tenth as a whole box-likes of housing.A big width opening 15 and a little width opening 16 form on the opposite end of housing 10, and the surface the 17, the 18th of waveform or wrinkle shape forms on the internal surface of relative sidewall 13,14.These two

surfaces

17,18 can have the form of rough surface.On the center line longitudinally of internal surface or slidingsurface S1, on direction, be formed with header board 11 and back plate 12 respectively from leading end to tail end, sliding-

groove

19,21 and 20,22 is so that slider 50 can slide to the longitudinal direction of opening 16 at the opening 15 of housing 10.The adjusting part 23,24 on a weir of picture is at big width opening 15 places near the rear end, protuberance between the sliding-

groove

20 and 22 of between the sliding-groove 19 and 21 of header board 11 and back plate 12 is so that the sliding-groove 19 of header board 11 and 21 and the sliding-

groove

20 and 22 of back plate 12 separately.The outer surface of regulating part 23,24 forms the guiding incline section 25,26 of inclined-plane with reeve work that the

slip projection

52,53 that can make things convenient for slider 50 is provided.The inner surface of this adjusting part 23,24 and sliding-groove 19,20 vertically form top down from it.Therefore, when slider 50 injects housing 10, when the

slip projection

52,53 of this slider 50 on the incline section 25,26 of regulating part 23,24 and when entering sliding-groove 19,20, this adjusting part 23,24 just can stop

slip projection

52,53 slippages of slider 50.

Slider 50 is provided with the planar main body 51 of the plane shape that assumes diamond in shape usually.Usually sliding parts 54 that has a rhombus forms along the periphery of this main body 51, and it has such size, and exactly when this slider 50 is inserted into housing 10, can remain between the relative

horizontal sidewall

13,14 of housing 10 has certain clearance with clamping rope.Middle body in main body 51, slip projection the 52, the 53rd is high from the apparent surface of this main body 51,

projection

52,53 has such size, be that it is wanted and can be free to slide in the sliding-

groove

19,20,21 and 22 of housing 10, with have such height, promptly they can be that slidingsurface S2 is more outstanding a little and can enter the sliding-groove 19,20 of housing 10 from the upper and lower surface of slider 54.Acute angle portion on the opposite end of slider 50 is to be used as

operative section

55,56, be used for the manual operations of slider 50, and to be the obtuse angle part be as

pressing section

57,58 in the relative lateral part of slider 50, is used for cooperating clamping rope 100 with the

wrinkle surface

17,18 of the relative

lateral sidewalls

13,14 of housing 10.

Pressing section

57,58 is formed and the

wrinkle surface

17,18 that faces toward respectively on relative

horizontal sidewall

13,14 inner side surfaces of housing 10 by a waveform surface or rough surface.Interference width between the

relative pressing section

57,58 of slider 50 is greater than the width of the little width opening 16 on the leading end of housing 10.The length of this slider is definite like this, and promptly when this slider 50 is positioned in the housing 10, the

operative section

55,56 on the opposite end of slider 50 can be respectively stretched out from the little width opening 16 and the big width opening 15 of housing 10.Distance between the internal surface of the internal surface of the header board 11 of housing 10 and back plate 12 approximates or is a bit larger tham along the height of the sliding parts 54 of the periphery of this slider 50.Relation between the slip projection of the relation between enclosure interior size that has illustrated above and slider outside dimensions inflammation and the sliding-groove of housing and slider can both keep good state concerning following each embodiment who quotes as proof.

Now will be below explanatory drawing 1 to the assembling of the each several part of rope tension device shown in Figure 5 and the situation of operation.

Rope 100 is clamped between housing 10 and the slider 50.Then, such shown in Fig. 2 and 4, an operative section 55 of slider 50 sliding-groove 21,22 on the big width opening side of housing 10 is relatively put on right position, inject by this big width opening 15, make the

slip projection

52,53 of slider 50 and sliding-groove 21,22 engagements of housing 10, and push another operative section 56.So

slip projection

52,53 is on guiding incline section 25,26 and enter sliding-groove 19,20, sliding-groove the 19, the 20th cuts out (as Fig. 3 and shown in Figure 5) on the internal surface of the header board 11 of housing and back plate 12.

The slider 50 that has been inserted in the housing 10 now can be along at the header board 11 of housing 10 and internal surface (the slidingsurface S of back plate 12 ₁) sliding-groove 19,20 that go up to form freely slides.When sliding on slider 50 is being positioned at little width opening 16 directions on the leading end of housing 10, the relative

lateral sidewalls

13,14 of housing 10 and the pressing section on the relative lateral part of slider 50 57,58 just cooperate the rope 100 that will be embedded between them to clip and tensioning.The width of the relative

pressing section

57,58 of slider 50 greater than the width of the little width opening 16 on the leading end of housing 10 so that they can the not slippage (as mentioned above) by opening 16.Simultaneously, on big width opening 15 sides, regulate part 23,24 and be on the sliding-groove 19,20, therefore, the

slip projection

52,53 of slider 50 just can be bumped to regulating part 23,24.In case this slider is positioned in the housing 10, this slider 50 just can not slippage housing 10.

Integrally formed

operative section

55,56 is stretched out from the

relative opening

15,16 of housing 10 on the opposite end of slider 50.Like this, the slide of slider 50 can not only simply but also definitely reliably be finished.

The rope of by 1 pair of tensioning of tension device 100 can and make slider 50 move to the big width opening 15 on tail end by bulldozing operation part 55 to unclamp.

Fig. 6 to 8 illustrates second embodiment of rope tension device of the present invention.In rope tension device 1a, the shape of housing 10a and slider 50a is trapezoidal respectively and plane view rhombus usually.On the internal surface of the relative transverse wall 13a of

housing

10a, 14a, be formed with surperficial 17a, the 18a of waveform or wrinkle (or coarse).On the relative lateral surfaces of slider 50a, be formed with corrugated pressing section 57a, 58a respectively.Operative section 55a, 56a form on the acute angle portion of the leading end of slider 50a and tail end.The layout of these so far illustrated parts and above-mentioned first embodiment's is similar.

On the center line longitudinally of the internal surface of the header board 11a of housing 10a and back plate 12a, the slip projection is high respectively rising in big width opening 15a vicinity.On the upper and lower surface of the main body 51a of slider 50a, at the operative section 55a of leading end to the sliding-

groove

59,61 and 60,62 that between the operative section 56a on the tail end, is cut with

slip projection

27,28 that can housing case 10a.Be formed with the adjusting part with

weir shape

63,64 that is used to stop the slippage of slip projection sliding-

groove

59 and 61 and at sliding-

groove

60 and 62 leading end places near housing 10a.The inner surface of regulating

part

63,64 be a vertical wall shape and its outer surface be tilt to form

outer incline part

65,66, be used for guided slidable projection 27,28.The lateral side surfaces of the big width opening 15a of the

slip projection

27,28 on housing 10a also requires.

The assembling of housing 10a and slider 50a is realized by following steps, such as shown in Figure 6, with being provided with the big width opening 15a of the operative section 55a aligning housing 10a on the slider 50a side of regulating

part

63,64 thereon, the sliding-

groove

61,62 on slider 50a leading end is meshed with the

slip projection

27,28 of housing 10a; Push another operative section 56a up to

slip projection

27,28 on the

incline section

65,66 and enter like that as shown in Figure 7 and Figure 8 in the sliding-

groove

59,60 on the inboard; And then make and to be passed in the little width opening 16a on the leading end of housing 10a at the operative section 55a on the leading end and to expose.Consequently, this rope tension device 1a just is assembled, so that slider 50a in housing 10a, can freely slide on its longitudinal direction.

In the 3rd embodiment of the rope tension device shown in Fig. 9 and Figure 10, its housing 10b at vpg connection roughly similar in appearance to first embodiment's housing 10.On the internal surface of relative lateral sidewalls 13b, 14b, be formed with surperficial 17b, the 18b of waveform or wrinkle respectively.Between sliding-groove 20b, the 22b of back plate 12b, be provided with an incline section and regulate part (not shown) (for header board 11b, omitted its incline section in the diagram, regulated part and sliding-groove 19b, 21b).

Slider 50b has the slider 50 of the plane view vpg connection of a rhombus similar in appearance to first embodiment, and aspect the frame shape sliding parts 54b with a rhombus and

bridging portion

68,69, be different with it, this diamond shape sliding parts is to be provided with around a dish 67, this dish 67 has from it, lower surface exceeds

slip projection

52b, 53b,

bridging portion

68,69 is at sliding parts 54b and coil interconnection

operative section

55b, 56b on 67 the opposite end.Have such height from coiling slip projection 52b, the 53b that 67 upper and lower surface exceeds, promptly will be similar to the upper and lower surfaces of first embodiment's the outstanding like that slightly frame shape sliding parts 54b of slip projection 52,53.The obtuse angle part of the relative lateral surfaces of this sliding parts 54b is used as pressing section 57b, the 58b with respect to wrinkle surface 17b, the 18b of housing 10b, and these two pressing

section

57b, 58b have corrugated surface.With above-mentioned mode in order to the

bridging portion

68,69 that supports

slip projection

52b, 53b also can be in addition with the shape formation of a strut that stretches out from

operative section

55b and 56b.

The assembling of this rope tension device 1b is to be realized by following steps, be about to the big width opening 15b reeve of the operative section 55b of slider 50b by housing 10b,

slip projection

52b, 53b are meshed with sliding-groove (21b) 22b of housing 10b, such as shown in Figure 10 then, push another operative section 56b up to

slip projection

52b, 53b on the incline section of guiding and among the header board 11b (not shown) that enters at housing 10b and sliding-groove (19b) 20b that afterwards forms on the internal surface of plate 12b.Like this, slider 50b just can be free to slide in housing 10b.In this embodiment's slider 50b, because relative lateral part and the bridging portion the 68, the 69th of frame shape sliding parts 54b is separated, this

pressing section

57b, 58b just possess elasticity, so that flexibly contact wrinkle surface 17b, the 18b of housing 10b.

The 4th kind of embodiment at the rope tension device shown in Figure 11 to 13 is made up of a housing 10c and a slider 50c.This housing 10c in the shape direction substantially similar in appearance to first embodiment's housing 10.On the internal surface of horizontal relatively

sidewall

13c, 14c, be formed with waveform or

wrinkle shape surface

17c, 18c respectively.Sliding-groove 19c, 21c and 20c, 22c form on the internal surface of header board 11c and back plate 12c.Between the sliding-groove 19c of header board 11c and the 21c and the adjusting part 23c, the 24c that between the sliding-groove 20c of

back plate

12c and 22c, are formed for stoping this slider slippage respectively highlightedly at nearly big width opening 15C place.The outer surface of regulating part 23c, 24c be tilt with the slip projection 52c that is formed for guided slidable part 50c, incline section 25c, the 26c of 53c.

Slider 50c has the shape of a circular flat view, and it is formed by a planar part 51c with along the circumferential slippage part 54c that the periphery of this planar part 51c forms.The outer periphery of sliding parts 54c forms waveform to constitute the pressing section 57c of similar tooth as a gear.In the central authorities of planar part 51c, slip projection 52c, 53c exceed the upper and lower surface of plate-like piece 51c, the upper and lower surface of the outstanding sliding parts 54c of its height outline.The projection 52c of these slips, 53c so just are suitable for being meshed with sliding-groove 19c, 21c and 20c, the 22c of housing 10c.

This rope tension device 1c finishes assembling by following steps, as shown in Figure 11 ring-type slider 50c is settled facing to the big width opening 15c of housing 10c, by push rod 110 slider 50c is advanced in the housing 10c as shown in figure 13 then, make the slip projection 52c of slider 50c thus, 53c is by the sliding-groove 21c of

housing

10c, 22c, as Figure 12 with as shown in Figure 13 across the adjusting part 23c that is used for the guided slidable projection, the incline section 25c of 24c, on the 26c, and and enter the sliding-groove 19c that on the internal surface of header board 11c and back plate 12c, forms respectively, among the 20c, slider 50c can freely slide in housing 10c simultaneously.This slider 50c that is arranged in this wise in the housing 10c can be free to slide in sliding-groove 19c, 20c and side by side can itself freely rotate.Like this, clamped on any point of the pressing section 57c that forms on just can slider 50c whole circumference of rope 100.As long as slider 50c is moved on the direction of big width opening 1 5c of housing 10c definitely, just rope 100 can discharge the state of its tensioning.Specifically, this rope 100 is to discharge its tensioning state by push rod 110 is firmly inserted in the housing 10c from little width opening 16c side so that slider 50c moves to big width opening 15c.

The 5th kind of embodiment at the rope tension device shown in Figure 14 and Figure 15 also is made up of a housing 10d and a slider 50d.This housing 10d is at the housing 10 that is similar to first embodiment in shape substantially.Surperficial 17d, the 18d of waveform or wrinkle forms on the internal surface of relative lateral sidewalls 13d, the 14d of housing 10d.Between sliding-groove 19d that header board 11d (not shown) and back plate 12d form on the internal surface to tail end (sliding-groove 19d, the 21d of header board 11d are not shown) from its leading end and 21d and be provided with adjusting part 23d, the 24d (the adjusting part 23d of header board is not shown) that is used to stop the slider slippage between sliding-groove 20d and the 22d.The outer surface of regulating part 24d (23d) is the incline section 26d (25d) with the slip projection that is formed for the guided slidable part that tilts.

It is the shape of drops plane view substantially that this slider 50d has.At vpg connection is to be formed by the part 71 that a rounded nose 70 and has a triangle projective planum view shape similar in appearance to the sliding parts 54d who forms along plate-like piece 51d periphery of a water droplet roughly.Pressing section 57d similar in appearance to the waveform gear forms on the external peripheral surface of this rounded nose 70.The end of gable 71 can be used as an operative section 56d.Slip projection 52d, 53d (projection 53d is not shown) exceed from the upper and lower surface at the plate-like piece 51d of head 70 central authorities.Have slightly outstanding slider 54d upper and lower surface such height slip projection 52d, 53d is suitable for is meshed with the sliding-groove of housing 10d.

In the rope tension device 1d shown in Figure 14, the assembling of this slider 50d and housing 10d is to be finished by following steps, thus the slider 50d that is about to have the head 70 that guides usefulness injects in the big width opening 15d of housing 10d and subsequently bulldozing operation part 56d make slip projection 52d (53d) go up and enter among the sliding-groove 20d (19d) across the incline section 26d (25d) that regulates part 24d (23d).This rope tension device 1d forms like this, though the operative section 56d of slider 50d can be on the direction of arrow lateral shake more or less.The tensioning degree of rope can slightly be regulated by shaking operative section 56d.

Figure 15 has described the another kind of mode that adopts at the rope tension device shown in Figure 14.Be different from the mode shown in Figure 14, the assembling of housing 10d and slider 50d is to be realized by the following step, these steps are: make this operative section 56d oppositely face toward the big width opening 15d of housing 10d, from operative section 56d side slider 50d is injected the housing 10d, and by the head 70 of push rod 110 pushing slider 50d so that slip projection 52d (53d) across regulating on part (23d) 24d incline section (25d) 26d and entering in sliding-groove (19d) 20d of housing 10d.Still in this usage mode, the operative section 56d of slider 50d is housing 10d lateral shake more or less relatively.

Figure 16 to 18 illustrates the 6th embodiment of rope tension device of the present invention.The housing 10e of rope tension device 1e, as shown in Figure 16, comprise an all rounded header board 11e with one after plate 12e and be arranged on header board 11e respect to one another and the relative lateral part of back plate 12e between relative transverse wall 13e,

14e.Opening

15e, 16e form between the opposite end of transverse wall 13e, 14e.Distance between relative transverse wall 13e, the 14e of housing 10e on the distolateral direction of the guiding of housing 10e be reduce gradually so that obtain rising gradient towards little width opening 16e.On the internal surface of transverse wall 13e, 14e, be formed with wrinkle surface 17e, 18e respectively.On the slidingsurface S1 of back plate 12e, be formed with sliding-

groove

20e, 22e from little width opening 16e to big width opening 15e.Approaching big width opening 15e place between these two sliding-

groove

20e and 22e forms one and regulates part 24e.In addition, on the slidingsurface S1 of sliding-

groove

20e, 22e one side, 30 one-tenth one files of a plurality of little engagement projections are arranged.On header board 11e, neither form sliding-groove, do not form the engagement projection yet.

As shown in figure 17, this slider 50e is made up of main body 51e and a pair of

arm

76,77, this main body 51e has tape base and originally is the leading end of operative section 55e of trapezoidal plane view shape and the tail end that is arrow shaped plane view shape manipulation part 56e, and described a pair of arm the 76, the 77th is given prominence on the direction of rear-end operative section 56e from the relative both sides at the operative section 55e of leading end along the relative lateral surfaces of main body 51e arcly.

The slip projection 72 of central upper process of (upper surface during storing position at Figure 17) on the surface of main body 51e, the back plate 12e that it will inject and slip into housing 10e goes up among sliding-groove 20e, the 22e that forms.The front side surface of this slip projection 72 be tilt to form an incline section 73.On horizontal relatively side surface, exceed it respectively in the part of the basic central authorities of main body 51e and have two hook-shaped overhanging elements 74,75 of the leading end of bending backward.Can shake from the free end of outstanding two the relative arms 76,77 of the opposite side of operative section 55e.Be formed with waveform pressing section 57e, 58e on the outer surface of arm 76,77 respectively, the outer surface of described arm is used for wrinkle surface 17e, the 18e facing to relative transverse wall 13e, the 14e of housing 10e when slider 50e injects housing 10e.In addition, the free end of arm 76,77 is that crooked to have substantially with formation be the hook portion 78,79 of L letter shapes on the lateral surfaces direction of main body 51e.The position of the leading end of hook spare 78,79 is to be in between the lateral surfaces of the uniform process spare 74,75 of the relative lateral surfaces of main body 51e protuberance and main body 51e, so that the swing of bow-shaped arm spare 76,77 is limited in the fixed range between main body 51e and the overhanging element 74,75.So just prevent that arm spare 76,77 from being ruptured when they unexpectedly are unfolded.Engagement ridge 81 be arranged on arm spare 77 free ends hook spare 79 slidingsurface S2 in a lateral direction, (being shown in the upper surface of the structure shape spare 79 on Figure 17) is relative with the engagement projection 30 on the slidingsurface S1 of the back plate 12e that is located at housing 10e when being used in slider 50e is fixed on housing 10e.Or in addition, a plurality of such engagement ridge 81 can be provided with along arm spare 77.

As shown in figure 18 slider 50e being incorporated into housing 10e can be realized by the following step, these steps are: the surface that makes the slider 50e which is provided with engagement ridge 81 is facing to the engagement projection 30 on the slidingsurface S1 of the back plate 12e that is located at housing 10e, the operative section 55e of slider 50e is injected among the big width opening 15e of housing 10e, thereby and bulldozing operation part 56e make slip projection 72 across regulating on the part 24e and entering among the sliding-groove 20e.Owing to when slider 50e slides in housing 10e, allow the engagement ridge 81 can be dividually and engagement projection 30 engagements of back plate 12e, therefore can regulate according to the diameter of restricting in this engagement ridge 81 and the engaging position of meshing between the projection 30.

In the 3rd and the 6th above-mentioned embodiment, be located at pressing section on the relative lateral surfaces of slider and possess elasticity, especially be provided with arm, therefore can allow to contact lightly with gradually with the transverse wall of housing.Like this, these embodiments just bring not can have any damage and make rope that the effect in long working life can be provided rope.

Figure 19 and 20 illustrates some modifications of front embodiment's slider.Be made up of a main body 51f and a pair of arm spare 76f, 77f at the slider 50f shown in Figure 19, this main body 51f has leading end that tape base originally is trapezoidal operative section 55f and the tail end of band arrow-shaped operative section 56f.The arm 76f, the 77f that give prominence to towards operative section 56f direction from the opposite side of operative section 55f can freely shake arcly.The free-ended upper and lower surface that engagement ridge 81f is located at arm 76f in a lateral direction.Like this, this slider 50f just can be used in the occasion that is provided with the engagement projection, and each engagement projection is on the slidingsurface S1 of forward and backward plate.Two slip projection 72f are arranged on the upper and lower surface of middle body of main body 51f, so that main body 51f can inject in the housing of this class that is formed with sliding-groove on header board and back plate two internal surfaces.The front side surface (though not shown) of lower slider projection 72f be tilt to form the incline section of the incline section 73f on the similar upper surface.Having respectively on the waveform pressing section 57f that forms respectively on the outer surface of arm 76f, 77f, 58f this point, present embodiment is similar to precedent.

Aspect the swing of regulating the two arm 76h, the 77h that are given prominence to by the relative lateral surfaces of the operative section 55h on the main body 51h leading end arcly, and is inequality at the slider 50f shown in Figure 19 at a slider 50h shown in Figure 20.Specifically, this protrusion 82h, 83h are respectively from free end 78h, the 79h projection of arm spare 76h, 77h along main body 51h.On the other hand, protrusion 84h, 85h are outstanding so that face toward the outside of protrusion 82h, 83h from the terminal of arrow-shaped operative section 56h.Consequently, the swing of arm 76h, 77h is limited in protrusion 84h, the 85h and the interval between the main body 51h of operative section 56h.Like this, arm spare 76h, 77h just can prevent to split when they unexpectedly separate.Aspect the slip projection 72h and rake 73h who forms on the engagement ridge 81h, the waveform pressing section 57h, the 58h that are forming on the outer surface of two arm 76h, 77h and the surface at main body 51h that form on the slidingsurface S2 of the free end 79h of an arm 77h, the slider 50h in the present embodiment is to similar at the slider shown in Figure 17.

To be that of forming by an integrally formed main body 51i with along the periphery of this main body 51i is basic be oval-shaped sliding parts 54i to a slider 50i shown in Figure 21.Generally being trapezoidal operative section 55i, 56i is arranged on the opposite end of this sliding parts 54i.An engagement ridge 81i exceeds from a slidingsurface S2.Be formed with a slip projection 72i and an incline section 73i on the middle body basically of one main body 51i so that outstanding from the slidingsurface S2 of sliding parts 54i.

Yet, in one the 7th embodiment shown in Figure 22 to 24, on the header board 11j of the housing 10j that points to opening 15j, 16j and back plate 12j internal surface, all be formed with sliding-groove 19j, 21j and 20j, 22j.Regulate part 23j, 24j is arranged between sliding-groove 19j and the 21j and between sliding-groove 20j and 22j.Incline section 25j, 26j form on the outer surface of regulating part 23j, 24j respectively.A plurality of engagement projection 29j, 30j are arranged on the slidingsurface S1 along the opposite flank of header board 11j and back plate each sliding-groove 19j, 21j of 12j and 20j, 22j with becoming file.In addition, on each internal surface of relative transverse wall 13j, the 14j of housing 10j, be formed with waveform surface 17j, 18j.

Slider 50j is provided with an arrow-shaped operative section 56j on the one end, be provided with a trapezoidal operative section 55j on its other end.Arc arm 76j, 77j each all from the opposite flank projection of operative section 55j.On the outer surface of arm 76j, 77j, be formed with waveform pressing section 57j, 58j respectively.The free end of arm 76j, 77j has with formation to main body 51j bending and is L shaped hook portion 78j, the 79j of letter substantially.Each is arranged on the basic on the relative lateral surfaces of middle body of main body 51j hamulus spare 74j, 75j.The leading end of these hamulus spares 74j, 75j forms to such an extent that to make their position be to be between each corresponding hook portion 78j, 79j and arm 76j, 77j of arm.The swing of arm 76j, 77j is limited in being in the lateral surfaces and the interval between protrusion 74j, the 75j of main body 51j.

Slider 50j main body 51j that slide up and down surperficial S2 is the part upper process 72j that slided of central authorities substantially.The front side surface of slip projection 72j is the part 73j with the formation inclination that tilts.Therefore, be inserted into slide relative groove 19j, the 20j engagement back (shown in Figure 23 and 24) of slip projection 72j and the housing 10j of housing 10j and slider 50j at slider 50j, if not, the possible slippage of slider 50j is just conflicted by slip projection 72j and is suppressed regulating on the part 24j.Engagement ridge 81j be located at arm 76j, the free-ended upper and lower surface of 77j each in a lateral direction so that can mesh dividually with relative engagement projection 29j, the 30j of housing 10j.

In the 6th and the 7th above-mentioned embodiment, engagement ridge 81, the 81j on a plurality of engagement projection 30,29j, 30j that exceed from the slidingsurface S1 of housing and the relative slidingsurface S2 that is located at slider will form to such an extent that they can be meshed apart from each other and thereby the engaging piece between housing and slider can unexpectedly do not ruptured.Like this, just can obtain the long-term absolute effect of the ability of clamping rope reliably that keeps.This validity that clamps action especially when engagement be more can improve during generation on the opposite flank at sliding-groove.

Though disclosed certain specific embodiment at this, under the situation of essence spirit of the present invention or characteristics, the present invention can also embody with other concrete form.Therefore no matter from any aspect, it is not to be restriction that these embodiments that are illustrated can only be considered to set forth for example, and scope of the present invention is not to be that explanation by the front shows and all should be included in wherein in the connotation and all changes within the scope of claim equivalence by appended claim.

Claims

1. a rope tension device (1), it includes:

(a) housing (10) of fixing, it has the relative transverse wall (13,14) of a pair of forward and backward plate (11,12) and this forward and backward plate (11,12) of a pair of interconnection, and the internal surface of described front and rear panel is as the surface (S that slides ₁), and described relative transverse wall has the little width opening (16) that is limited on housing one end and the internal surface of convergent forward of the big width opening (15) on its other end; And

(b) slider (50), it is slidably disposed on the inside of described housing (10), and has a pressing section (57 that on its relative lateral surfaces, forms, 58) and as the upper and lower surface of slidingsurface (S2), described pressing section (57,58) be suitable for rope (100) is pressed against on the relative transverse wall (13,14) of described housing (10); It is characterized in that:

Described rope tension device is at least one slidingsurface (S of described housing (10) ₁) on the corresponding slidingsurface (S of a sliding-groove (19,21,20,22) and described slider (50) is set ₂) on a slip projection counterpart (52,53) that is used to inject described sliding-groove (19,21,20,22) is set, perhaps at least one slidingsurface (S of slider (50) ₂) on a sliding-groove (59,61,60,62) is set and at the corresponding slidingsurface (S of described housing (10) ₁) on a slide protrusion counterpart (27,28) that is used to inject described sliding-groove (59,61,60,62) is set;

At least one sliding-groove (19,21,20,22; 59,61,60,62) has the part of adjusting (23,24; 63,64) in case described slip projection (52,53; 27,28) from sliding-groove (19,21,20,22; 59,61,60,62) deviate from described slip projection (52,53 in; 27,28) with in the face of described adjustings of another part partly (23,24; 63,64) in any lateral surfaces be tilt be used to guide described slip projection (52,53 to form one; 27,28) incline section (25,26 of the described sliding-groove of reeve; 65,66);

Described slider (50) can move between little width opening (16) and adjusting part (23,24) or slip projection (27,28) in described fixing housing (10).

2. rope tension device according to claim 1 (1) is characterized in that, the above the pressing section (57,58) of relative lateral surfaces that is arranged on described slider (50) possesses elasticity.

3. rope tension device according to claim 1 (1), it is characterized in that, described slider (50c) has a main body (51c) and a pair of arm (76,77), described arm is to give prominence to along the relative lateral surfaces of main body (51c) towards the direction of its other end from an end of described main body (51c) arcly.

4. according to each described rope tension device (1) of claim 1 to 3, it is characterized in that described housing (10) has one at least from its slidingsurface (S ₁) the sliding-groove (19,21,20 that extends towards little width opening end (16) of big width opening end (15), 22), described sliding-groove (19,21,20,22) comprise a weir shape adjusting part (23,24), its side tilts facing to big width opening (15), described slider (50) comprises that one has one at least and is used to inject described sliding-groove (19,21,20, the main body (51) of slip projection counterpart (52,53) 22).

5. according to each described rope tension device of claim 1 to 3, it is characterized in that described slider (50a) comprises having at least one sliding-groove that extends (59 between its leading end and tail end, 61,60,62) a main body (51a) that is essentially rhombus, described sliding-groove (59,61,60,62) contain a weir shape and regulate part (63,64), its side tilts facing to leading end, and described housing (10a) is at its slidingsurface (S ₁) on have at least one to be used to inject the slip projection counterpart (27,28) of described sliding-groove (59,61,60,62).

6. according to each described rope tension device of claim 1 to 3, it is characterized in that, described slider (50b) comprises that one has at least one slip projection (52b, dish 53b) (67), a diamond shape slider (54b) that is provided with and has the waveform lateral surfaces around described dish (67), and the bridging portion (68,69) of at least one end of an interconnection described dish (67) and described sliding parts.

7. according to each described rope tension device of claim 1 to 3, it is characterized in that, described slider (50c) comprises a main body, this main body have at least a slip projection (52c, 53c) and the ring-type sliding parts (54c) that forms and have a waveform peripheral surface along described main body.

8. according to each described rope tension device of claim 1 to 3, it is characterized in that, described slider (50d) comprises a main body (51d), this main body is being water droplet shape in shape and is having a slip projection (52d at least, 53d) and a sliding parts (54d) that forms along main body, a circular portion (70) of described sliding parts has a undulating circumferential surface.

9. according to each described rope tension device of claim 1 to 3, it is characterized in that:

Described slider (50b) is provided with the arc sliding parts (54b) on a main body and a pair of relative lateral part that is located at described main body, described arc sliding parts (54b) has upper and lower slidingsurface, and be suitable for rope (100) is pressed against housing (10b) transverse wall (13b, on internal surface 14b), described main body and arc sliding parts (54b) seal into a space between them, so that described arc sliding parts (54b) possesses elasticity; (20b 22b) contains a weir shape and regulates part the sliding-groove of described rope tension device, and this weir shape is regulated part and is provided in a side of along its whole long centre.

10. according to each described rope tension device of claim 1 to 3, it is characterized in that, described slider (50) has operative section (55,56), described operative section is on the leading end of slider (50) and tail end so that the relative opening of described operative section (55,56) by housing (10) exposes such mode integrally forms.

11. according to claim 1 to 3 and each described rope tension device, it is characterized in that, it also comprises a plurality of engagement projections (30) and an engagement ridge (81), described a plurality of engagement projection is arranged in as on one group the housing (10c) and both arbitrary slidingsurfaces of slider (50c) with a file, described engagement ridge be arranged on another part slidingsurface transversely so that described engagement ridge (81) can mesh dividually with described engagement projection (30).

12. each described rope tension device according to claim 1 to 3, it is characterized in that, described housing (10j) has at least one the sliding-groove (19j that forms on its at least one slidingsurface, 21j, 20j, 22j), described slider (50j) has at least one to be used to inject described sliding-groove (19j, 21i, 20j, slip projection (72j) 22j), described housing also has a plurality of engagement projections, it is arranged on the slidingsurface of described housing with the opposite side of a file mode along described sliding-groove respectively, and described slider also has engagement ridge, be arranged in the face of the slidingsurface of housing slider slidingsurface transversely so that described engagement ridge can mesh respectively with the engagement projection.

13. each the described rope tension device according to claim 1 to 3 is characterized in that the transverse wall (13,14) of described housing (10) has wrinkle internal surface (17,18), the pressing section (57,58) of described slider (50) has corrugated outer surface.

14. each the rope tension device according to claim 1 to 3 is characterized in that,

Both at least one internal surfaces of any of described header board (11j) and back plate (12j) have a sliding-groove (19j who extends to described little width opening end from described big width opening end (15j) in housing (10j), 21j, 29j, 22j), described sliding-groove comprises near a weir shape adjusting part (23j the end of its big width opening side (15j), 24j), and described slider is provided with a main body (51j) and pair of arcuate arms (76j, 77j), described bow-shaped arm is located on the relative lateral part of described main body (51j), be fixed near place, main body (51j) guiding end and be fit to restrict (100) by the one end and be pressed against housing (10j) transverse wall (13j, on internal surface 14j), described main body (51j) thereon, lower surface is provided with one of at least one and is fit to inject described sliding-groove (19j, 21j, 20j, slip projection (72j) 22j).

15. rope tension device according to claim 14 is characterized in that, described housing (10j) transverse wall (13j, 14j) have the wrinkle surface (17j, 18j), the arm (76j of described slider (50j), 77j) have the waveform outer surface (57j, 58j).

16. the rope tension device according to claim 14 is characterized in that, described slider (50j) has that on its leading end one is trapezoidal operative section (55j) substantially and on its tail end one is sagittate operative section (56j) substantially.

17. rope tension device according to claim 14, it is characterized in that, described housing (10j) has a plurality of engagement projection (29j, 30j), they are along described sliding-groove (19j, 21j, 20j, at least one side 22j) is arranged in front and rear panel (11j with a file, 12j) on the internal surface of any (S1), described slider (50j) has at least one engagement ridge (81j), and it is arranged in the face of housing (10j) sliding-groove (19j, 21j, 20j, on arm 22j), lower surface (S2) arbitrary at least transversely so that described engagement ridge (81j) can (29j 30j) can mesh dividually with described engagement projection.

18. rope tension device according to claim 14 is characterized in that, in the face of the adjusting part of the housing of big width opening (15j) (23j, lateral surfaces 24j) tilts, with form an incline section (25j, 26j).

19. rope tension device according to claim 14 is characterized in that, tilts facing to a lateral surfaces of the slip projection (72j) of the slider (51j) of housing (10j), to form an incline section (73j).

20. rope tension device according to claim 14, it is characterized in that, described main body (51j) on its relative lateral surfaces, have the leading end that band bends backward uniform process spare (74j, 75j), described arm spare (76j, 77j) has free end crooked on main body (51j) lateral surfaces direction, with form hook-like part (78j, 79j), described hook-like part (78j, leading end 79j) is arranged on uniform process spare, and (74j is 75j) and between main body (51j) lateral surfaces.