Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming, a kind of attenuating cost of production is provided, the water valve handle body of change on working element and the structure thereof.
The present invention realizes like this, a kind of handwheel of water valve, comprise the pedestal that has with valve switch column cap connection interface, pedestal is made up of switch handwheel shell and switch handwheel inner core, switch handwheel shell inwall is provided with positioning block, switch handwheel inner core is arranged within the switch handwheel shell, and fixes with positioning block.
Positioning block is a projection, protrudes to the center of circle along the direction of extension of switch handwheel shell to be arranged on the inwall of switch handwheel shell; The shape that takes the shape of the letter U, clamping switch handwheel inner core corresponding part are protruded in the positioning block both sides; Positioning block is provided with screw, is connected to a fixed by screw and switch handwheel inner core.
Switch handwheel inner core is how much blocks of cross section rule shape, and the center is provided with the circular hole that is connected with interface, and the outer periphery of circular hole evenly is provided with several protuberances, and tuck pointing is in the positioning block of pairing, and the protuberance place is provided with the hole.
Also be provided with tapped hole on switch handwheel shell and the switch handwheel inner core, one handle is bolted on the tapped hole; Switch handwheel shell is a body, its opening is provided with the handwheel decorative cover body, be placed on the other end of the switch handwheel shell opener that interface is connected with the switch column cap, decorative cover body is provided with that several are spacing, and regular distribution is in the bottom of decorative cover body, and the spacing shape that surrounds is identical with the shape of switch handwheel shell inwall, and the girth of the spacing shape that outer wall surrounded is slightly larger than the girth of the shape of switch handwheel shell inwall, after decorative cover body is placed on switch handwheel shell, spacingly become Spielpassung with the decorative cover body inwall.
The method of making water valve handle comprises:
The first step intercepts the corresponding length of switch handwheel shell according to designing requirement from section bar, and the semi-finished product of intercepting are carried out getting switch handwheel shell finished product after the fine finishing;
In second step, produce switch handwheel inner core with the technology mode of mold injection;
In the 3rd step, produce decorative cover body with the technology mode of mold injection or zinc base alloy pressure injection;
The 4th step placed switch handwheel inner core in the switch handwheel shell, was fixed with screw, cover decorative cover body the handwheel of water valve of the present invention.
The invention has the beneficial effects as follows: simple in structure, utilize component-assembled one switch handwheel.Switch handwheel inner core can utilize plastic production, if need reach the effect of metal, can on handle, switch handwheel shell and decorative cover body, use electroplating technology, change and used pure metal to make handwheel in the past, lower cost of production, need when producing the pure metal product and expend more the multiplex (MUX), not enhance productivity yet.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
In the accompanying drawing: 1 is pedestal; 11 is switch handwheel shell; 111 is screw; 112 is positioning block; 12 is switch handwheel inner core; 121 is interface; 122 is the hole; 123 is tapped hole; 124 is circular hole; 125 is protuberance; 13 is the handwheel decorative cover body; 131 is spacing; 132 for decorating aluminium lid; 2 is handle; 3 is water valve; 31 is the switch column cap; 4 is screw; 5 is red blue decorations circle; 51 are decorations circle hole.
As shown in the figure, a kind of handwheel of water valve, comprise the pedestal 1 that has the interface 121 that is connected with water valve 3 switch column caps 31, pedestal 1 is made up of switch handwheel shell 11 and switch handwheel inner core 12, switch handwheel shell 11 inwalls are provided with a plurality of positioning blocks 112, switch handwheel inner core 12 is arranged within the switch handwheel shell 11, and is fixed by positioning block 112.
Positioning block 112 is a projection, protrudes along the direction of extension of switch handwheel shell 11, and pairing also evenly is arranged on the inwall of switch handwheel shell 11, each pairing positioning block 112 clamping switch handwheel inner core 12.Also can offer screw 111 on a positioning block 112, be evenly distributed on the inwall of switch handwheel shell 11, be connected with switch handwheel inner core 12, screw 111 opening directions are with to open the opening direction of receiving and distributing hub 11 identical.
Switch handwheel inner core 12 is how much blocks of cross section rule shape, and the center is provided with the circular hole 124 that is connected with interface 121, evenly is provided with several protuberances 125 around circular hole 124, and protuberance is embedded in the positioning block 112 of pairing.On the relative protuberance 125 of switch handwheel inner core 12, be provided with the hole 122 corresponding with screw 111 on the switch handwheel shell 11.
Switch handwheel inner core 12 is provided with the tapped hole 123 that is connected with handle 2, and tapped hole 123 is provided with one, is positioned on protuberance 125 sidewalls of switch handwheel inner core 12.Also be provided with tapped hole 123 on the sidewall of switch handwheel shell 11, be positioned at certain centre adjacent screw 111.After screw 4 was spirally connected the screw 111 of the hole 122 of switch handwheel inner core 12 and switch handwheel shell 11, two tapped holes, 123 centers overlapped, and handle 2 passes through just, and two tapped holes 123 that are spirally connected.The below of the tapped hole 123 on the switch handwheel shell 11 is provided with a decorations circle hole 51 that red blue decorations circle 5 can be installed.
Switch handwheel shell 11 is a body, its opening is provided with handwheel decorative cover body 13, be placed on another place of switch handwheel shell 11 openings that interface 121 is connected with switch column cap 31, handwheel decorative cover body 13 be provided with several spacing 131, and regular distribution is in the bottom of handwheel decorative cover body 13, spacing 131 shapes that surrounded are identical with the shape of switch handwheel shell 11 inwalls, the girth of spacing 131 the shape that outer wall surrounded is slightly larger than the girth of the shape of switch handwheel shell 11 inwalls, after handwheel decorative cover body 13 was placed on switch handwheel shell 11, spacing 131 became Spielpassung with handwheel decorative cover body 13 inwalls.
Handwheel decorative cover body 13 is provided with one and decorates aluminium lid 132, after handwheel decorative cover body 13 is placed on switch handwheel shell 11, handwheel decorative cover body 13 is subjected to the restriction of the outward pressure of spacing 131 pairs of switch handwheel shell 11 inwalls, handwheel decorative cover body 13 difficulties are located away from switch handwheel shell 11, the switch handwheel that needs repairing, only need open decorate 132 of aluminum hulls can.
As shown in Figure 4, evenly be provided with four screws 111 on switch handwheel shell 11 inwalls.Switch handwheel inner core 12 is how much blocks of cross section rule shape, and the center is provided with the circular hole 124 that is connected with interface 121, evenly is provided with four protuberances 125 around circular hole 124, and 125 of protuberances are provided with the hole 122 corresponding with screw 111 on the switch handwheel shell 11.Between certain is to adjacent protuberance 125, be provided with a tapped hole 123, be positioned at the sidewall of switch handwheel inner core 12.
As illustrated in Figures 5 and 6, evenly be provided with four screws 111 on switch handwheel shell 11 inwalls.Switch handwheel inner core 12 is how much blocks of cross section rule shape, and the center is provided with the circular hole 124 that is connected with interface 121, evenly is provided with four protuberances 125 around circular hole 124, and 125 of protuberances are provided with the hole 122 corresponding with screw 111 on the switch handwheel shell 11.Tapped hole 123 is provided with two, thinks circular hole 124 centers, is symmetrically distributed in its both sides.Also be provided with corresponding tapped hole 123 on the handwheel decorative cover body 13, screw 4 be spirally connected from top to bottom switch handwheel inner core 12, handwheel decorative cover body 13 and handle 2.
The method of making water valve handle comprises:
1, shape as required goes out some length with the explained hereafter of producing section bar, and it is shaped as cast, comprises the cast of tubular type and interior round foreign side.Required section bar includes fabricated metals and plastic article.Wherein fabricated metals includes: common metal such as iron, zinc and aluminium by hot working, are drawn into section bar subsequently; Use plastic article, available extrusion molding and or technology moulding such as injection moulding.
2, from above-mentioned section bar, intercept switch handwheel shell 11 by the length of designing requirement again.
3, the semi-finished product to intercepting carry out getting switch handwheel shell 11 finished products after the fine finishing, to melter product, need smooth face carry out grinding and polishing, need anti-skidding place, are beneficial to user's rotation hand wheel, and the semi-finished product of can implementing to polish are processed; Plastic article also can carry out electroplated decoration as required.
4, produce switch handwheel inner core 12 with the technology mode of mold injection.
5, produce decorative cover body 13 with the technology mode of mold injection or zinc base alloy pressure injection;
6, switch handwheel inner core 12 is placed in the switch handwheel shell 11, makes protuberance 125 on the switch handwheel inner core 12 be embedded in the positioning block 112 on the switch handwheel shell 11, both are fixed with screw, cover handwheel decorative cover body 13 the handwheel of water valve of the present invention.
The above is preferred embodiment of the present invention only, is not that the present invention is done any pro forma restriction; The those of ordinary skill of all industry, but all shown in the by specification accompanying drawing and the above, and implement swimmingly in the technical solution of the present invention scope, when utilizing the above technology contents that discloses, and the equivalent variations of a little change of making, modification and differentiation is the embodiment of being equal to of the present invention; Simultaneously, all foundations essence technology of the present invention all still belongs in the scope of technological scheme of the present invention change, modification and the differentiation etc. of any equivalent variations that above embodiment did.
The present invention has carried out property on probation examination after making and finishing, and through examination on probation, has obtained the good result of expection.