CN2575280Y

CN2575280Y - Vehicular boring machine

Info

Publication number: CN2575280Y
Application number: CN 02244506
Authority: CN
Inventors: 罗永昶
Original assignee: BEIJING AIDEERBOFENG DETECTION TECHNOLOGY Co Ltd; BEIJING AIDEERBOFENG DETECTION
Current assignee: BEIJING AIDEERBOFENG DETECTION TECHNOLOGY Co Ltd; BEIJING AIDEERBOFENG DETECTION
Priority date: 2002-10-22
Filing date: 2002-10-22
Publication date: 2003-09-24
Anticipated expiration: 2012-10-22

Abstract

The utility model relates to a frame type return rolling window curtain which is mainly composed of a return rolling assembly, a curtain, a tension beam, two guide rails, etc. The utility model is characterized in that both ends of the tension beam of the utility model are respectively provided with a set of synthetical assemblies having the functions of stop and guide. The utility model has the functions of a curtain and mosquito prevention. The utility model can be arranged vertically or transversely, and can be arranged into one window with a signal curtain or one window with two curtains. Because the utility model is of one curtain with multifunction, the cost is saved. After arranged on wide and big windows and doors, the utility model is more favorable in operation than the existing return rolling type curtains or screen windows, and the service life is long. The two curtains are arranged transversely on the common windows, and both sides are respectively provided with curtains with different patterns or colors, so the utility model has good beautifying effect and novelty. When the utility model is used, compared with the existing return rolling type curtains or screen windows, the utility model has the advantages of convenience, agility, easiness, and reliability.

Description

Frame type backrush formula curtain

One, technical field

The utility model relates to a kind of curtain, especially a kind of curtain of backrush formula.

Two, background technology

Existing backrush formula curtain can only launch and rolling from above-below direction, can not transverse movement, and form is relatively more dull, and it is also not too convenient to operate; And periphery has the slit, do not possess the function of anti-mosquitos and flies.

The screen window that also has a class backrush formula, it can the above-below direction motion, also can transverse movement, and anti-mosquitos and flies effect is also fine.But if it is used the just very big defective of existence as curtain.Because curtain needs arbitrarily to stop at an arbitrary position, can part, also can cover window fully.And present various backrush formula screen windows all do not solve the problem of locking at an arbitrary position well.

Three, utility model content

The purpose of this utility model, but optional position locking after designing a kind of its curtain exactly and launching, the frame type backrush formula curtain that has anti-mosquitos and flies function after launching fully, and this curtain not only can launch up and down, also can horizontal spreading.

For realizing that the technical scheme that this purpose proposes is a kind of frame type backrush formula curtain.It mainly is made of backrush assembly, curtain, straining beam and two guide rails.The structure of backrush assembly and existing backrush formula screen window is basic identical; Guide rail is installed in the both sides of backrush assembly; Curtain is the cord or the window screening of various materials, and the one end is connected on the backrush assembly, and the other end connects straining beam, and other both sides can be stretched in the groove of guide rail; The priming straining beam just can launch curtain out, relies on the spring force in the backrush assembly to go back the curtain rolling.It is characterized in that: respectively there is a cover stop assembly at the two ends of described straining beam, this stop assembly includes scotch, spring, pull bar and handle etc., spring acts on scotch directly or indirectly, this scotch is contacted with member on guide rail or the guide rail and produce resistance, stops the motion of straining beam and curtain; Scotch and handle are connected (but pull bar rigidity, also can be flexible material) with pull bar, and operating handle just can overcome spring force, make scotch leave the member on guide rail or the guide rail and allow straining beam and curtain move smoothly.

The minimum following three classes structure more specifically that includes of this stop assembly: the first kind is to be the friction-type stop assembly of normal pressure with the spring force, second class is door bolt formula stop assembly and the engagement type stop assembly that spring plays progradation, and the 3rd class is the self-locking stop assembly that spring force only helps out.The detailed structure of this three classes stop assembly will be further introduced in " specific embodiment " again.

For straining beam is operated steadily, flexibly, the utility model has also been done further improvement aspect guiding, it is characterized in that: respectively there is a cover guidance set at the two ends of straining beam, and this guidance set has a guide pad, the front end of its guide pad is equipped with roller, and guide slide and raceway are arranged on the guide rail.The part of guide pad cooperates with straining beam, and the guide slide on the part insertion guide rail is to prevent the straining beam deflection; Roller moves on the raceway of guide rail and makes it more flexible, laborsaving.

In order to make more compact structure, to install more conveniently, can coincide stop assembly and guidance set is assembled together, and promptly opens chute on guide pad, and scotch or portable connecting rod and spring are installed in this chute.

The utility model can also be installed two and recover wound module on same curtain, shared two guide rails (another set of backrush assembly etc. is represented in the double dot dash line in the accompanying drawing 1).

The utility model is compared with existing backrush formula curtain, and it has following superiority:

1, functional diversities.The function of its existing curtain has the function of screen window again.Can shading, hide privacy, also can prevent mosquitos and flies, so the energy one-object-many-purposes.

2, performance is more perfect.Stop assembly of the present utility model is simple and reasonable, and ratio is more convenient, reliable with backguy or other modes in the use; It is more steady, flexible, laborsaving when the guidance set that guide pad and roller are formed makes its operation.

3, form is abundanter.It both can vertically be installed, and can laterally install again, and the cord of various materials can be installed, and again window screening can only be installed; A window list curtain can be mounted to, the two curtains of a window can be mounted to again.

4, the excellent decoration effect is arranged.When some painting canvas as curtain (or picture that the user that draws on the curtain likes) after, the framework of this curtain is exactly the picture frame of a special charm; Make two recover wound module can be during to the curtain that draws from the right and left, the right and left can respectively be adorned the different picture of a width of cloth, exchange often launches them, can give feeling of freshness.

The utility model is further introduced below in conjunction with accompanying drawing, with embodiment.

Four, description of drawings

Fig. 1---profile schematic diagram

Fig. 2, Fig. 3---scotch is the structural representation of the friction stop assembly on monolateral inclined-plane

Fig. 4---scotch is the structural representation of the friction stop assembly on inclined-plane, both sides

Fig. 5---scotch is the structural representation of the friction stop assembly on symmetrical inclined-plane

Fig. 6---the structural representation of door bolt formula stop assembly

The structural representation of Fig. 7---engagement type stop assembly

Fig. 8---the structural representation of the stop assembly of swing type scotch

The rear elevation of Fig. 9---Fig. 8 (amplification)

Reference numeral: 1-backrush assembly, the 2-curtain, 3-straining beam, the guide rail of 4 to 4e-corresponding different scotchs, 5 to 5e-each local shape have the guide pad of little difference, 6-roller, 7-guide slide, 8 to 8e-each local shape have the chute on the guide pad of little difference, 9 to 9e-to there being the scotch of various stop end (face), the wedge shaped stop end face on the monolateral inclined-plane of 10-, the wedge shaped stop end face on inclined-plane, 10a-both sides, the wedge shaped stop end face on 10b-symmetry inclined-plane, 10c-fastens tongue with a bolt or latch, 10d-engaging tooth, 10e-are the stop end face of cam curved surface, 11-tripping spring, the 11c-propelling spring, the 11e-secondary spring, the fricting strip of 12 to the 12b-corresponding respectively stop end faces that respectively rub, 12c-fastens the hole with a bolt or latch, the 12d-pinion rack, the 13-pull bar, 14-handle, the portable connecting rod of 15e-.

Five, the specific embodiment

Embodiment 1 (in conjunction with Fig. 1, Fig. 2 and Fig. 3):

Stop assembly only is installed, perhaps stop assembly and guidance set are still respectively made independent assembly after, after all being feasible; Also all within the scope of the utility model claim.But the angle from compact conformation and angle easy for installation to implementation result, two kinds of assemblies coincide the better off that is assembled together some.Present embodiment is that its stop surface is the friction-type stop assembly on monolateral inclined-plane and the structure example that guidance set coincides and is assembled together.

Its basic building block has backrush assembly 1, curtain 2, straining beam 3 and two guide rails 4 etc.One end of curtain 2 is connected in the backrush assembly 1, and the other end of curtain 2 is connected on the straining beam 3.On the described guide rail 4 guide slide 7 and raceway are arranged, the member on the so-called guide rail 4 is mounted in the fricting strip 12 on the guide rail 4.Described guidance set has a guide pad 5, and the front end of this guide pad 5 is equipped with roller 6, and the part of this guide pad 5 is inserted in the guide slide 7, the roller on it 6 is installed in the raceway, also has chute 8 on this guide pad 5.Scotch 9 front ends of described stop assembly have a friction stop end face 10, and this friction stop end face 10 is wedge shape end faces that monolateral inclined-plane is arranged, and this scotch 9 is installed in the chute 8.Described spring is a tripping spring 11, and it is supported in the bottom in the chute 8 and heads on scotch 9---so that its friction stop end face 10 is pressed on the fricting strip 12.Non-inclined-plane one side of this scotch 9 leans against on the limit of guide slide 7.The section configuration of fricting strip 12, installation site and angle all adapt with friction stop end face 10.Scotch 9 is also connecting a pull bar 13, the other end of this pull bar 13 be connected with the handle 14 that is installed in straining beam 3 middle parts (after the round arrow among Fig. 2 and Fig. 3 represents operation or unclamps handle 14, make the stop end face remove stop or when allowing its stop and the direction that moves with its scotch 9).

The angle of wedge of described monolateral inclined-plane wedge shape end face is generally 40 °～50 °, and this example is got 45 °.

Below all specific embodiments all adopt the structure that stop assembly and guidance set are coincided and be assembled together.Owing to after this structure and some other essential features are disclosed, implement than being easier to, so comprehensive and detailed introduction of only contrasting in embodiment 1 has not just been given unnecessary details in the following embodiments.

Embodiment 2 (mainly in conjunction with Fig. 4, with reference to figure 1, Fig. 2 and Fig. 3): present embodiment primary structure and embodiment's 1 is identical.The friction stop end face 10a of the described scotch 9a in different aspects is the wedge shape end face that the inclined-plane, both sides is arranged, and the section configuration, the installation site that are installed in the fricting strip 12a on the guide rail 4a all adapt with this stop end face 10a.Obviously, the local shape of its guide pad 5a and chute 8a thereof and size are also done corresponding adjustment.

The angle of wedge of inclined-plane, described both sides wedge shape end face is generally 55 °～65 °, and this example is got 60 °.

Embodiment 3 (mainly in conjunction with Fig. 5, with reference to figure 1, Fig. 2 and Fig. 3): present embodiment primary structure and embodiment's 1 is identical.Different aspects is that the friction stop end face 10b of described scotch 9b is the wedge shape end face that symmetries inclined-plane in both sides is arranged, promptly the stop end face 10b of scotch 9b be designed, be made into the center line with scotch 9b be axis of symmetry symmetry the wedge shape end face (for this two dimension view of Fig. 5); This stop end face 10b is corresponding therewith, and the fricting strip 12b that is installed on the guide rail 4b is two, and their section configuration, installation site all adapt with this stop end face 10b.Equally, the local shape of its guide pad 5b and chute 8b thereof and size are also done corresponding adjustment.

The formed angle of wedge of stop end face 10b is 60 °～90 °, and according to other conditions, can get the numerical value of other angles of wedge such as 65 °, 75 ° respectively, this example is got 90 °.

Various fricting strips in above 3 examples all can be made by rubber, also can be to be made by the other materials such as synthetic resin that its frictional behavior and rubber phase are worked as.In addition, in above 3 examples, all can also process some tiny grooves on the surface of all these wedge shape end faces with further increase friction factor.Moreover, the stop end face of described scotch also can design, be made into the planar end surface of rough surface, the section configuration of the fricting strip of being joined, installation site all adapt (introduce so far, this stop end face has also become conspicuous, so do not have embodiment and accompanying drawing) with the stop end face.

With spring masterpiece normal pressure with the structure of spring force as propulsive force, to compare with other configuration aspects aspect the mounting means of spring, these two kinds of usages do not have any difference basically.Main difference is the corresponding constructional difference of shape therewith on the shape of stop end (face) of scotch and the guide rail between the two.So, below two with spring force as the accompanying drawing of the embodiment of the stop assembly structure of propulsive force, institute's combination these differentiated parts of only having drawn.

Embodiment 4:(mainly in conjunction with Fig. 6, with reference to figure 1, Fig. 2 and Fig. 3) stop assembly of present embodiment is the door bolt formula stop assembly that spring plays progradation.The front end of its scotch 9c has a stop door bolt tongue 10c, one row and the corresponding door bolt hole 12c of this stop door bolt tongue 10c are arranged on the described guide rail 4c, and described spring is propelling spring 11c, it heads on this scotch 9c, the stop of described scotch is fastened with a bolt or latch in a certain door bolt hole 12c on the tongue 10c propelling guide rail.

Embodiment 5:(mainly in conjunction with Fig. 7, with reference to figure 1, Fig. 2 and Fig. 3) stop assembly of present embodiment is the engagement type stop assembly that spring plays progradation.The front end of its scotch 9d has engaging tooth 10d, the one pinion rack 12d that is meshed with this engaging tooth 10d of row is arranged on the described guide rail 4d, and described spring is propelling spring 11c, it heads on this scotch 9d, with in a certain section of the pinion rack 12d on the engaging tooth 10d of the described scotch propelling guide rail.

Same, guide pad 5c that

embodiment

4 and 5 is adopted and the local shape of chute 8c thereof and size are also done corresponding adjustment.

In 5 above embodiment, the scotch of various different stop end (face) all is mounted in the chute of guide pad, and they withstand (in order to stop) and be connected with handle by a pull bar (in order to releasing stop) by a spring.Obviously, they are in the process of removing stop and stop again, they are to come and go slippage in the chute of guide pad, for they are not stuck in the process of slippage, especially contraposition is accurate when guaranteeing stop, guarantees that the part of these scotchs in chute has suitable aspect ratio to be very important.If only install in the utility model stop assembly or not stop assembly of the present utility model and guidance set be assembled together (these are all in interest field of the present utility model) that coincide, so, these scotchs are exactly slippage in the two ends of straining beam, and their parts in the straining beam two ends also should have suitable aspect ratio.Other problems on structural manufacturing process have not just been given unnecessary details.

Embodiment 6:(is mainly in conjunction with Fig. 8 and Fig. 9) stop assembly of present embodiment is the self-locking stop assembly that spring force only helps out, its scotch is shuttle-type, it has a stop end face that is cam curved surface, this stop assembly is a portable connecting rod that drives this scotch swing also, described spring is for passing through this connecting rod, indirectly-acting is in the secondary spring of this scotch, their mounted thereto saddles of handlebar also, secondary spring heads on portable connecting rod, to allow the stop end face of cam curved surface contact with guide rail, this swing type scotch is by portable connecting rod, link to each other with the handle that is installed in the straining beam middle part by pull bar again.

Disclose so far, those skilled in the art just can be fully, correctly implemented.So (based on the identical consideration in front) present embodiment is not still introduced this class swing type stop assembly individually as an example, introduce as an example but it and guidance set coincided to be assembled together.

They are coincided is assembled together, the saddle of the guide pad of guidance set as stop assembly---promptly the member of stop assembly also is installed on the guide pad.

Side at this guide pad 5e front end is installed two rollers 6 that belong to the guidance set ingredient, opposite side is installed and is belonged to the swing type scotch 9e that having of stop assembly is cam curved surface stop end face 10e, and its portable connecting rod 15e is installed in the chute 8e of this guide pad 5e.In this chute 8e, indirectly-acting heads on portable connecting rod 15e in the end of the secondary spring 11e of swing type scotch 9e, and the other end is bearing on the bottom of this chute 8e.Portable connecting rod 15e is also connecting a pull bar 13---that is to say that swing type scotch 9e links by pull bar 10 and the handle 14 that is installed in described straining beam 3 middle parts by directly driving its portable connecting rod 15e again.

This routine mode of operation also with the same (the repeating no more) of embodiment 1, slightly different is that it is to realize stop by the cam curved surface " self-locking " on its guide rail 4e of scotch 9e---when unclamping handle, the elastic force of secondary spring 11e orders about the stop end face 10e that is cam curved surface and is pressed on the guide rail 4e; After thoroughly decontroling hand, because straining beam 3 is by toward pulling back, then just there is frictional force to produce at this position of pressing, and the backrush assembly reclaims and promptly forms a couple between the pulling force of curtain and straining beam and this frictional force, this couple drives scotch 9e swing and self-locking.Among Fig. 9, the scotch 9e and the stop end face 10e thereof that are drawn by heavy line are the self-locking arrested states, and what double dot dash line was drawn is the state of removing stop.

Self-evident, cam curved surface can be to have reasonable lift and reasonable pressure angle can satisfy the eccentric wheel curved surface of self-locking requirement, also can be other various cam curved surfaces.The better effects if of involute surface wherein is so this example adopts involute surface.

More than all stop end (face) of each example all can on its scotch, directly process, but also stick in addition or be packed with.

Claims

1, a kind of frame type backrush formula curtain, it mainly is made of backrush assembly, curtain, straining beam and two guide rails, it is characterized in that: respectively there is a cover stop assembly at the two ends of described straining beam, this stop assembly includes scotch, spring, pull bar and handle etc., described spring action in scotch, this scotch contacted with member on guide rail or the guide rail and produce resistance, this scotch is connected with pull bar with handle, operating handle just can overcome spring force, makes scotch leave the member on guide rail or the guide rail and allows straining beam and curtain move smoothly.

2, frame type backrush formula curtain according to claim 1, it is characterized in that: described stop assembly is to be the friction-type stop assembly of normal pressure with the spring force, the front end of its scotch has a friction stop end face, and described spring is a tripping spring, it heads on this scotch, the friction stop end face of this scotch is pressed on the member on guide rail or the guide rail.

3, frame type backrush formula curtain according to claim 2, it is characterized in that: the friction stop end face of described scotch can be wedge shape end face, the wedge shape end face that the inclined-plane, both sides is arranged that monolateral inclined-plane is arranged, the wedge shape end face on symmetry inclined-plane, both sides is arranged or the planar end surface of rough surface is arranged, and the member on the described guide rail is mounted in the fricting strip that is complementary with these several stop end faces on the guide rail.

4, frame type backrush formula curtain according to claim 1, it is characterized in that: described stop assembly is the door bolt formula stop assembly that spring plays progradation, the front end of its scotch has a stop door bolt tongue, one row and the corresponding door bolt hole of this stop door bolt tongue are arranged on the described guide rail, and described spring is a propelling spring, it heads on this scotch, the stop of described scotch is fastened with a bolt or latch in a certain door bolt hole on the tongue propelling guide rail.

5, frame type backrush formula curtain according to claim 1, it is characterized in that: described stop assembly is the engagement type stop assembly that spring plays progradation, the front end of its scotch has engaging tooth, one pinion rack that is meshed with this engaging tooth of row is arranged on the described guide rail, and described spring is a propelling spring, it heads on this scotch, with in a certain section of the pinion rack on the engaging tooth of the described scotch propelling guide rail.

6, frame type backrush formula curtain according to claim 1, it is characterized in that: described stop assembly is the self-locking stop assembly that spring force only helps out, its scotch is shuttle-type, it has a stop end face that is cam curved surface, this stop assembly is a portable connecting rod that drives this scotch swing also, described spring is for passing through this connecting rod, indirectly-acting is in the secondary spring of this scotch, their mounted thereto saddles of handlebar also, secondary spring heads on portable connecting rod, to allow the stop end face of cam curved surface contact with guide rail, this swing type scotch is by portable connecting rod, link to each other with the handle that is installed in the straining beam middle part by pull bar again.

7, according to any one described frame type backrush formula curtain in the claim 1～6, it is characterized in that: respectively there is a cover guidance set at the two ends of described straining beam, this guidance set has a guide pad, and the front end of its guide pad is equipped with roller, and guide slide and raceway are arranged on the guide rail.

8, frame type backrush formula curtain according to claim 7, it is characterized in that: can coincide described stop assembly and guidance set is assembled together, promptly on its guide pad, open chute, described scotch or portable connecting rod and spring are installed in this chute.