CN206668100U - A kind of lever boards - Google Patents

Abstract

The utility model discloses a kind of lever boards, including left frame and right frame, rotated between the left frame and right frame and be provided with some blades, rotating shaft has been extended vertically in the both ends of the surface of the blade, side frame inside groove is offered in the right frame vertically, vertical be provided with is used for the control-rod that each blade synchronization rotates that links in the side frame inside groove, the control-rod includes worm screw section and gear shaft part, the control piece with control-rod linkage is correspondingly provided with the side frame, the control piece includes driven wheel of differential, drive bevel gear and swivel head, wherein described driven wheel of differential is in be fixedly and coaxially connected with gear shaft part.The utility model, which provides control-rod, to be hidden, and aesthetic property is preferably and a kind of lever boards that will not surprisingly be opened and closed of blade.

Description

A kind of lever boards

Technical field

It the utility model is related to a kind of lever boards family, more particularly to a kind of lever boards.

Background technology

Lever boards is typically that the louvre blade installed by window-frame and in window-frame is formed, and has shading and airing function, makes Used time can control the shading of lever boards and air permeability by adjusting the angle of louvre blade, then adjust interior printing opacity and thoroughly Gas situation, it is deep to be welcome by office and domestic consumer using very convenient.

China Patent Publication No. is that CN201896567U utility model patent discloses a kind of transom, including framework and Some blades, framework are the rectangular frame formed by left frame, right frame, upper cross plate and lower cross plate group structure, left frame and right side The side frame groove of frame is built-in with side frame tent, and blade is flexibly connected by the way that bearing pin to be inserted to the pin shaft hole of side frame tent with framework, Side frame tent longitudinal direction is provided with hairbrush bar along bearing pin hole site；Pull bar is flexibly connected by clasp with the draw ring of each blade, blade Edge one side is longitudinally provided with catching groove, has button edge outside catching groove, the button edge and catching groove of two blades, which can be detained mutually, to be taken.

During the transom provided using above-mentioned technical proposal, if pulling up pull bar, blade is swung up therewith, from And shut the window；If pulling downward on pull bar, blade downward rotation therewith, so as to open the window；In the program, pull bar passes through clasp It is flexibly connected with the draw ring of each blade, pull bar is vertically arranged at the centre position of each blade the same side edge all the time, and can not Hide, the aesthetic property of lever boards can be had a strong impact on.

Utility model content

The purpose of this utility model is to provide a kind of lever boards, using the hiding control-rod being arranged in side frame, coordinates Control piece, substantially increase the aesthetic property of lever boards.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of lever boards, bag Left frame and right frame are included, is rotated between the left frame and right frame and is provided with some blades, opened vertically in the right frame Provided with side frame inside groove, vertical be provided with is used for the control-rod that each blade synchronization rotates that links, the side in the side frame inside groove The control piece with control-rod linkage is correspondingly provided with frame.

By using above-mentioned technical proposal, control-rod is hidden in the side frame inside groove being arranged inside side frame, utilizes control Interaction relation between bar and each blade, and allow user very easily to control each blade synchronization by means of control piece Rotate, compared to prior art, because control-rod is hides setting, the aesthetic property of lever boards greatly improves.

The utility model is further arranged to：The blade has extended vertically on the end face of side frame inside groove one end to be turned Axle, the rotating shaft is with right frame in rotation connection.

By using above-mentioned technical proposal, because rotating shaft and blade are integrally formed, when user's rotating shaft, blade is Synchronous axial system therewith, user is met by each blade of side frame internal control so as to be equipped with the control-rod in side frame inside groove The precondition of synchronous axial system.

The utility model is further arranged to：End of the rotating shaft away from blade has been fixedly and coaxially connected transmission worm gear, The control-rod includes the worm screw section engaged with each transmission worm gear.

Because lever boards is often embedded in window-frame under normal circumstances, and then directly it is embedded in wall on the outside of window-frame, so After control-rod, which is hidden, is arranged at side frame inside, the up and down motion of control-rod will receive the very big limit of upper cross plate and lower cross plate System, therefore the control mode commonly used in the prior art for being controlled each blade synchronization to rotate by means of pull bar upper and lower displacement is uncomfortable With.

It is same using the transmission worm gear being arranged in each rotating shaft, and with each transmission worm gear by using above-mentioned technical proposal When the control-rod with worm screw section that engages, when user's rotation control rod, control-rod can pass through worm screw section and drive each biography Dynamic worm gear and respective vanes synchronous axial system, compared to prior art, meet use on the premise of control-rod not upper and lower displacement The demand that each blade synchronization of person's linkage rotates.

The utility model is further arranged to：What the lead angle of the worm screw section was less than worm screw section and transmission worm gear engages wheel Equivalent friction angle between tooth.

By using above-mentioned technical proposal, when the lead angle of worm screw section is less than the equivalent friction angle of engagement wheel between cog, pass Dynamic self-locking performance between worm gear and worm screw section to be present, i.e., user can only drive transmission worm gear to rotate by means of worm screw section, and pass Dynamic worm gear can not then drive worm screw section to rotate in turn, so as to open blade to a certain degree when user's rotation control rod When, do not consider human factor, blade will not be accidental switched off or opened in the presence of the natural cause such as wind and rain.

The utility model is further arranged to：The control-rod also includes gear shaft part, and the control piece is included from mantle Gear and drive bevel gear, the driven wheel of differential are in be fixedly and coaxially connected with gear shaft part.

By using above-mentioned technical proposal, user can drive control-rod to rotate by rotating drive bevel gear, be Easily drive control bar provides precondition to user.

The utility model is further arranged to：The control piece also includes swivel head, the swivel head and drive bevel gear In being fixedly and coaxially connected.

By using above-mentioned technical proposal, user only need to can be indirectly by intermeshing by rotating swivel head Drive bevel gear and driven wheel of differential drive control bar synchronous axial system, provided a great convenience for user's rotation control rod.

The utility model is further arranged to：The swivel head is set with right frame close to indoor side in rotation.

By using above-mentioned technical proposal, swivel head is arranged at right frame close to indoor side, can convenient use Person turns swivel head, and and can enough prevents stranger in outdoor opening lever boards.

The utility model is further arranged to：The right frame is set with window-frame in be hinged.

By using above-mentioned technical proposal, lever boards can integrally be opened from window-frame, be user-friendly for glass The operations such as glass wiping.

In summary, the utility model has the advantages that：

1st, it is arranged at by the way that the control-rod with worm screw section is hidden in side frame inside groove, while utilizes intermeshing active Bevel gear and driven wheel of differential, coordinate the control piece with swivel head, on the premise of meeting that each blade synchronization rotates, successfully The hiding setting of control-rod is realized, substantially increases the aesthetic property of lever boards.

2nd, because the self-locking performance between worm screw section and transmission worm gear, blade only could quilts when control-rod is as driving link Open or close so that user can open blade to required angle position, and can not automatic rotary, avoid Each blade in the presence of the natural cause such as wind or rain is accidental switched off or opened.

Brief description of the drawings

Fig. 1 is that the present embodiment is mainly used in embodying integrally-built axonometric schematic diagram；

Fig. 2 is the structural representation that the present embodiment is mainly used in embodying right frame；

Fig. 3 is the structural representation that the present embodiment is mainly used in embodying blade；

Fig. 4 is the diagrammatic cross-section that the present embodiment is mainly used in embodying control-rod, control piece and blade annexation.

Reference：1st, window-frame；2nd, window frame；201st, left frame；202nd, right frame；203rd, upper cross plate；204th, lower cross plate；3、 Blade；301st, rotating shaft；4th, side frame inside groove；5th, transmission worm gear；6th, control-rod；601st, worm screw section；602nd, gear shaft part；7th, control Part；701st, driven wheel of differential；702nd, drive bevel gear；703rd, swivel head.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Referring to accompanying drawing 1, a kind of lever boards, integrally it is embedded in window-frame 1, lever boards includes window frame 2, and window frame 2 includes Left frame 201 and right frame 202, upper cross plate 203 and the lower cross plate 204 being symmetrical set respectively；Right frame 202 and window frame 2 It is hinged by hinge so that lever boards can integrally be opened；Parallel interval is provided between left frame 201 and right frame 202 Some blades 3, blade 3 are made of PVC material.

Referring to accompanying drawing 2-4, the end face of above-mentioned each left and right ends of blade 3 has extended vertically rotating shaft 301, and each blade 3 is logical Two rotating shafts 301 are crossed respectively with left frame 201 and right frame 202 in rotation connection；Wherein side frame is offered vertically in right frame 202 Inside groove 4, end of the rotating shaft 301 away from blade 3 being rotationally connected with right frame 202 is located in side frame inside groove 4, and the rotating shaft 301 end is provided with transmission worm gear 5, and transmission worm gear 5 is formed by way of clamping with the rotating shaft 301 and is fixedly and coaxially connected, from And make it that both being capable of synchronous axial system.

Referring to accompanying drawing 4, control-rod 6 is provided with vertically in above-mentioned side frame inside groove 4, the upper and lower ends of control-rod 6 are arranged in respectively In upper cross plate 203 and lower cross plate 204, and rotation connection is formd with upper cross plate 203 and lower cross plate 204, control-rod 6 includes snail Bar segment 601, worm screw section 601 are located at the epimere of control-rod 6, worm screw section 601 simultaneously with the transmission worm gear 5 in above-mentioned each rotating shaft 301 It is meshed, and the lead angle of worm screw section 601 is less than the equivalent friction angle that engages the gear teeth between of the worm screw section 601 with transmission worm gear 5, Self-locking performance be present between worm screw section 601 and transmission worm gear 5.

Referring to accompanying drawing 4, above-mentioned control-rod 6 also includes gear shaft part 602, and gear shaft part 602 is located at the hypomere of control-rod 6, Gear shaft part 602 is integrally formed with above-mentioned worm screw section 601, on gear shaft part 602 by key and dogging shoulder be fixedly and coaxially connected from Dynamic bevel gear 701, driven wheel of differential 701 are nearby provided with drive bevel gear 702, and drive bevel gear 702 is located in side frame inside groove 4, And just it is meshed with driven wheel of differential 701；Right frame 202 is correspondingly provided with swivel head 703 on indoor side, rotates The first 703 lucky face drive bevel gear 702 in position, and swivel head 703 forms coaxial consolidate with drive bevel gear 702 by bearing pin Fixed connection, so that user can drive drive bevel gear 702 and driven wheel of differential 701 by turning swivel head 703 Synchronous axial system, then drive control bar 6 and the synchronous axial system of each blade 3.

Above-mentioned driven wheel of differential 701, drive bevel gear 702 and swivel head 703 constitute the control for drive control bar 6 Part 7.

The operation principle of the present embodiment is：It is assumed that lever boards is initially in closed mode, lived when user needs to open Take offence window when, user need to only turn the swivel head 703 on right frame 202, and swivel head 703 passes through the He of drive bevel gear 702 Driven wheel of differential 701 drives the synchronous axial system of drive control bar 6, and at the same time, control-rod 6 can be by being intermeshed worm screw section 601 Each synchronous axial system of blade 3 is driven with transmission worm gear 5, blade 3 is opened.

Hereafter, if user wants to close lever boards, swivel head 703 need to be reversely only turned, control-rod 6 will drive leaf The synchronous reversion of piece 3, blade 3 are closed.

In said process, due to self-locking performance between worm screw section 601 and transmission worm gear 5 be present, blade 3 is being opened or closed After closing, in the presence of human factor is not considered, blade 3 will not be closed or open automatically because of natural causes such as wind or rain.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (8)

1. a kind of lever boards, including left frame (201) and right frame (202), the left frame (201) and right frame (202) Between rotate be provided with some blades (3), it is characterized in that：Side frame inside groove (4), institute are offered vertically in the right frame (202) State in side frame inside groove (4) the vertical control-rod (6) for being provided with each blade (3) synchronous axial system that is used to linking, it is right on the side frame The control piece (7) with control-rod (6) linkage should be provided with.

2. a kind of lever boards according to claim 1, it is characterized in that：The blade (3) is close to side frame inside groove (4) one end End face on extended vertically rotating shaft (301), the rotating shaft (301) is with right frame (202) in rotation connection.

3. a kind of lever boards according to claim 2, it is characterized in that：End of the rotating shaft (301) away from blade (3) Transmission worm gear (5) is fixedly and coaxially connected, the control-rod (6) includes the worm screw section (601) engaged with each transmission worm gear (5).

4. a kind of lever boards according to claim 3, it is characterized in that：The lead angle of the worm screw section (601) is less than snail The equivalent friction angle engaged between the gear teeth of bar segment (601) and transmission worm gear (5).

5. a kind of lever boards according to claim 3, it is characterized in that：The control-rod (6) also includes gear shaft part (602), the control piece (7) includes driven wheel of differential (701) and drive bevel gear (702), the driven wheel of differential (701) with Gear shaft part (602) is in be fixedly and coaxially connected.

6. a kind of lever boards according to claim 5, it is characterized in that：The control piece (7) also includes swivel head (703), the swivel head (703) is in be fixedly and coaxially connected with drive bevel gear (702).

7. a kind of lever boards according to claim 6, it is characterized in that：The swivel head (703) is leaned on right frame (202) Nearly indoor side is set in rotation.

8. a kind of lever boards according to claim 7, it is characterized in that：The right frame (202) is with window-frame (1) in be hinged Set.