Summary of the invention
In view of this, first object of the present invention is to provide a kind of rotary joint, the structural design of this rotary joint can effectively solve the connection articulation of existing specific electromagnetic spectrum treatment radiator support and heating part dumb, locate the problems such as inconvenient, second object of the present invention is to provide a kind of specific electromagnetic spectrum treatment radiator comprising above-mentioned rotary joint.
In order to reach above-mentioned first object, the invention provides following technical scheme:
A kind of rotary joint for specific electromagnetic spectrum treatment radiator, for heating part and the holder part of the described specific electromagnetic spectrum treatment radiator that is rotatably connected, comprise the first linking arm joint and the second linking arm joint, the end winding support of described first linking arm joint is connected with trocar sheath, described second linking arm joint is fixedly connected with the expansion positioner be plugged in described trocar sheath, and described expansion positioner comprises the expansion piece being provided with cambered surface and the elastic mechanism described expansion piece being held out against the inwall in described trocar sheath.
Preferably, in above-mentioned rotary joint, described elastic mechanism comprises inner sleeve, described inner sleeve and described trocar sheath coaxially fixedly mount, described expansion piece is arranged in the annulus between described trocar sheath and described inner sleeve, described inner sleeve inside is provided with expansion contact, and described expansion contact is located in the axial direction elasticity of described inner sleeve by the spring held out against with it, described expansion contact; The position corresponding with described expansion contact at the sidewall of described inner sleeve is provided with through-hole groove, and the inwall of described expansion tube is provided with and stretches into the convex tactile of described through-hole groove, the surface configuration of described convex tactile surface configuration and described expansion contact cooperatively interacts.
Preferably, in above-mentioned rotary joint, described expansion contact comprises contact pipe and the contact plug of slidably grafting, described contact pipe and the coaxial plug-in mounting of contact plug, described contact pipe and described contact plug are provided with level and smooth sidewall, described contact pipe and the mutually adjacent sidewall of described contact plug form inside sunk structure, and described convex touching cooperatively interacts with the shape of described sunk structure.
Preferably, in above-mentioned rotary joint, be provided with spring between the respective noncontact end of described contact pipe and described contact plug and the end of its each self-corresponding described inner sleeve, described contact pipe and described contact plug hold out against and are integrally connected by described spring respectively.
Preferably, in above-mentioned rotary joint, the sidewall of described inner sleeve is provided with a pair through-hole groove, two described through-hole groove phase angles in the cross circular section of described inner sleeve are spaced apart 180 °, a pair expansion piece is arranged with outside described inner sleeve, described expansion piece coordinates with described through-hole groove respectively and assembles, and the outer wall of described expansion piece is all in semicircular.
Preferably, in above-mentioned rotary joint, described trocar sheath and described inner sleeve are the half-open tubular structure that one end is closed, its respective blind end is used for assembly connection arm or heating part, the position that the sidewall of described inner sleeve coordinates with the opening of described trocar sheath is provided with the installing ring be fixed as one, and the correspondence position of the opening of described trocar sheath is provided with the position limiting structure spacing to described installing ring.
Preferably, in above-mentioned rotary joint, the outer wall of the opening of described inner sleeve is provided with spacing block set, the blind end of described trocar sheath is provided with the pin-and-hole running through its tube wall, be equipped with spacer pin in described pin-and-hole, the end of described spacer pin is positioned at the rotary motion trace scope of described spacing block set.
Preferably, in above-mentioned rotary joint, the opening of described inner sleeve is provided with threaded cap, and described threaded cap holds out against one end of described spring, and the inwall of described threaded cap and described inner sleeve is threaded connection to be closed the opening of described inner sleeve.
Apply the rotary joint for specific electromagnetic spectrum treatment radiator provided by the invention, for heating part and the holder part of the described specific electromagnetic spectrum treatment radiator that is rotatably connected, comprise the first linking arm joint and the second linking arm joint, the end winding support of described first linking arm joint is connected with trocar sheath, described second linking arm joint is fixedly connected with the expansion positioner be plugged in described trocar sheath, and described expansion positioner comprises the expansion piece being provided with cambered surface and the elastic mechanism described expansion piece being held out against the inwall in described trocar sheath.The fixed form that this expansion piece and elastic construction cooperatively interact, expansion piece can be made to produce the trend increased to outer volume by elastic mechanism, reach expansion piece and outer sleeve inner wall close contact thus, add expansion piece itself and there is globoidal structure, larger with the contact area of overcoat tube wall, the circumference of expansion positioner and trocar sheath is located, so reach the location by the first union joint and the second union joint by these 2 realizations, adopt canular structure, the two of mutual socket relatively rotates accessible, and owing to adopting the expansion piece of cambered surface and being located by the elastic mechanism with resilience, this locate mode, inherently easy realization regulates, elastic mechanism itself is provided with the power of pretension, when hand rotation first linking arm joint and the second linking arm joint, the friction that trocar sheath gives the expansion piece in it certain, slight extruding is produced to expansion piece, expansion piece is made to produce the micro-displacement of inside motion, so elasticity of compression mechanism, loosen expansion piece, relative rotational motion is made to be more prone to, the connection articulation being efficiently solved existing specific electromagnetic spectrum treatment radiator support and heating part by this design is dumb, the problems such as location is inconvenient.
In order to reach above-mentioned second object, present invention also offers a kind of specific electromagnetic spectrum treatment radiator, this specific electromagnetic spectrum treatment radiator comprises holder part and heating part, described holder part is connected by rotary joint with described heating part, and wherein rotary joint is any one rotary joint above-mentioned.Because above-mentioned rotary joint has above-mentioned technique effect, the specific electromagnetic spectrum treatment radiator with this rotary joint also should have corresponding technique effect.
Detailed description of the invention
The embodiment of the invention discloses a kind of rotary joint for specific electromagnetic spectrum treatment radiator, dumb with the connection articulation solving existing specific electromagnetic spectrum treatment radiator support and heating part, locate the problems such as inconvenient.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2, the rotary joint that Fig. 1 provides for the embodiment of the present invention face cross-sectional view; The side elevational cross-section structural representation of the rotary joint that Fig. 2 provides for the embodiment of the present invention.
Rotary joint for specific electromagnetic spectrum treatment radiator provided by the invention, for heating part and the holder part of the described specific electromagnetic spectrum treatment radiator that is rotatably connected, comprise the first linking arm joint 1 and the second linking arm joint 6, the end winding support of described first linking arm joint 1 is connected with trocar sheath 2, described second linking arm joint 6 is fixedly connected with the expansion positioner be plugged in described trocar sheath 2, and described expansion positioner comprises the expansion piece 3 being provided with cambered surface and the elastic mechanism described expansion piece 3 being held out against the inwall in described trocar sheath 2.
Wherein it should be noted that, face and face close fit between the cambered surface of expansion piece 3 and the cambered surface of trocar sheath 2 inwall, so the globoidal structure of the two is consistent; Elastic mechanism inside arranges pretightning force, this pretightning force can reach ideal critical effect, namely the size of pretightning force can ensure the first linking arm joint 1 and the second linking arm joint 6 effective location in the circumferential, can ensure simultaneously, when applying small squeezing action to expansion piece 3, the size of this pretightning force can not hinder elastic mechanism to shrink, and loosens expansion piece 3; First linking arm joint 1 and the second linking arm joint 6 are respectively used to be fixedly connected with heating part or holder part, connected mode comprise be threaded, the optional mode such as buckle connection
The fixed form that this expansion piece 3 and elastic construction cooperatively interact, expansion piece 3 can be made to produce the trend increased to outer volume by elastic mechanism, reach expansion piece 3 and trocar sheath 2 inwall close contact thus, add expansion piece 3 and itself there is globoidal structure, larger with the contact area of trocar sheath 2 wall, the circumference of expansion positioner and trocar sheath 2 is located, so reach the location by the first union joint and the second union joint by these 2 realizations, adopt canular structure, the two of mutual socket relatively rotates accessible, and owing to adopting the expansion piece 3 of cambered surface and being located by the elastic mechanism with resilience, this locate mode, inherently easy realization regulates, elastic mechanism itself is provided with the power of pretension, when hand rotation first linking arm joint 1 and the second linking arm joint 6, the friction that trocar sheath 2 gives the expansion piece 3 in it certain, slight extruding is produced to expansion piece 3, expansion piece 3 is made to produce the micro-displacement of inside motion, so elasticity of compression mechanism, loosen expansion piece 3, relative rotational motion is made to be more prone to, the connection articulation being efficiently solved existing specific electromagnetic spectrum treatment radiator support and heating part by this design is dumb, the problems such as location is inconvenient.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned rotary joint, described elastic mechanism comprises inner sleeve 5, described inner sleeve 5 coaxially fixedly mounts with described trocar sheath 2, and described expansion piece 3 is arranged in the annulus between described trocar sheath 2 and described inner sleeve 5, and described inner sleeve 5 inside is provided with expansion contact, described expansion contact is located in the axial direction elasticity of described inner sleeve 5 by the spring held out against with it, described expansion contact; The position corresponding with described expansion contact at the sidewall of described inner sleeve 5 is provided with through-hole groove 4, and the inwall of described expansion piece 3 is provided with and stretches into the convex tactile of described through-hole groove 4, the surface configuration of described convex tactile surface configuration and described expansion contact cooperatively interacts.
Inner sleeve 5 and trocar sheath 2 are located mutually by special circumferential positioning structure, make inner sleeve 5 stable be fixed in trocar sheath 2, because the two is all tubular structure, therebetween the space of a ring-type is present in, expansion piece 3 is set in this space, and the organization establishes driving expansion piece 3 to expand is in inner sleeve 5, inner sleeve 5 is with expansion piece 3 unitary rotation; Arrange spring and expansion contact in inner sleeve 5, spring, to spring contact elasticity, makes it have resilience, the sidewall of inner sleeve 5 is offered through structure and through-hole groove 4, by through-hole groove 4, the elasticity of spring is passed to expansion piece 3; Wherein the preferred structure of expansion piece 3 is the part that circular ring structure that outer wall coordinates with trocar sheath 2 is partitioned into along radial direction, the convex bulge-structure touching the side for fitting from expansion piece 3 and inner sleeve 5 and extend, it can stretch into through-hole groove 4, and pass through the surperficial extrusion expansion contact of its inserting end, itself and expansion contact all preferably arrange smooth contact surfaces, reach the technical purpose compressional movement of expansion piece 3 contact and the horizontal displacement of expansion contact mutually changed.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned rotary joint, described expansion contact comprises contact pipe 9 and the contact plug 8 of slidably grafting, described contact pipe 9 and the coaxial plug-in mounting of contact plug 8, described contact pipe 9 and described contact plug 8 are provided with level and smooth sidewall, and described contact pipe 9 and the mutually adjacent sidewall of described contact plug 8 form inside sunk structure, and described convex touching cooperatively interacts with the shape of described sunk structure.
Wherein, contact pipe 9 arranges jack, contact plug 8 arranges plug with contact pipe 9 near one end, the two grafting coordinates the not lockable cooperation for sliding, contact pipe 9 and contact plug 8 end face close to each other are even surface, be preferably sphere or cambered surface, also can be the enough good arc surface of smooth degree or tapered plane, the two is held out against by spring by contact pipe 9 and contact plug 8 in position, then by respective smooth flanks (sphere between the two end face close to each other, arc surface or tapered plane) form the sunk structure with smooth side wall structure, and the convex tactile shape of expansion piece 3 and the shape of sunk structure basically identical, level and smooth cooperating is reached with this, adopt the expansion contact of this structure, this expansion structure is made to react sensitiveer, during use, practical operation is experienced better.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned rotary joint, described contact pipe 9 and be provided with spring between the respective noncontact end of described contact plug 8 and the end of its each self-corresponding described inner sleeve 5, described contact pipe 9 and described contact plug 8 hold out against and are integrally connected by described spring respectively.In the technical scheme that the present embodiment provides, adopt double-spring structure, at the respective discontiguous other end of contact pipe 9 and contact plug 8, the spring held out against with inner sleeve 5 is set respectively, here it should be noted that, be defaulted as contact pipe 9 and contact plug 8 to arrange along the axis of inner sleeve 5, the spring holding out against the two is also axially arranged along inner sleeve 5, namely their axis overlaps with the axis of inner sleeve 5, adopt the technical scheme of this dual spring, make the controllability of the expansion effect of expansion piece 3 better, action is sensitiveer, and experience is more comfortable.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned rotary joint, the sidewall of described inner sleeve 5 is provided with a pair through-hole groove 4, two described through-hole groove 4 phase angles in the cross circular section of described inner sleeve 5 are spaced apart 180 °, be arranged with a pair expansion piece 3 outside described inner sleeve 5, described expansion piece 3 coordinates with described through-hole groove 4 respectively and assembles, and the outer wall of described expansion piece 3 is all in semicircular.
The technical scheme of the present embodiment, the expansion piece 3 namely through-hole groove 4 being all set in the both sides that inner sleeve 5 is relative and coordinating, the expansion contact coordinated adopts the structure of revolving body, so it is consistent in the shape of each side, so only arrange one group of expansion contact can reach technical requirement.Adopt this design being oppositely arranged two expansion pieces 3, expansion piece 3 and the inwall of trocar sheath 2 is made to fit better effects if, further ensure the locating effect between inner sleeve 5 and trocar sheath 2, make the location between the first linking arm joint 1 and the second linking arm joint 6 more firm, not easily relative sliding occurs therebetween.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned rotary joint, described trocar sheath 2 and described inner sleeve 5 are the half-open tubular structure that one end is closed, its respective blind end is used for assembly connection arm or heating part, the position that the sidewall of described inner sleeve 5 coordinates with the opening of described trocar sheath 2 is provided with the installing ring 10 be fixed as one, and the correspondence position of the opening of described trocar sheath 2 is provided with the position limiting structure spacing to described installing ring 10.
Wherein, the preferred structure of position limiting structure is jump ring 11, inner sleeve 5 opening respective with trocar sheath 2 is relative, when mounted the opening of the opening of inner sleeve 5 from trocar sheath 2 is loaded, sidewall near inner sleeve 5 blind end is fixedly installed installing ring 10, installing ring 10 and inner sleeve 5 are fixed as one, be similar to the shaft shoulder structure on axle, its fixed form can be welding or direct and inner sleeve 5 integrally casting machine-shaping, after wherein the correspondence position of trocar sheath 2 opening refers to and inner sleeve 5 is loaded trocar sheath 2, trocar sheath 2 open side is positioned at the part outside inner sleeve 5, trocar sheath 2 inwall of this part arranges the mounting groove of jump ring 11, and jump ring 11 is installed within it, with spacing to the installing ring 10 on inner sleeve 5, prevent inner sleeve 5 from deviating from trocar sheath 2, the good fixing effect of this fixed form, and do not affect relatively rotating of the relative trocar sheath 2 of inner sleeve 5 and be convenient to handling.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned rotary joint, the outer wall of the opening of described inner sleeve 5 is provided with spacing block set 13, the blind end of described trocar sheath 2 is provided with the pin-and-hole 12 running through its tube wall, be equipped with spacer pin in described pin-and-hole 12, the end of described spacer pin is positioned at the rotary motion trace scope of described spacing block set 13.The technical scheme that the present embodiment provides, mainly in order to limit the rotational angle of the relative trocar sheath 2 of inner sleeve 5, ensure that its rotational angle can not more than 360 °, namely after limited block props up spacer pin, inner sleeve 5 can only former direction toward back rotation.Two parts equipment connected due to rotary joint needs to be connected by electric wire, if do not arrange this device with limit function, easily causes rotational angle excessive, and causes electric wire material mechanical fatigue even to twist off, can greatly reduce the service life of equipment.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned rotary joint, the opening of described inner sleeve 5 is provided with threaded cap 7, described threaded cap 7 holds out against one end of described spring, and described threaded cap 7 is threaded connection with the inwall of described inner sleeve 5 and is closed by the opening of described inner sleeve 5.Adopt the closed mode of this threaded cap 7, threaded cap 7 can be regulated in the position of inner sleeve 5 end by the rotational motion between threaded cap 7 and inner sleeve 5 thus compresses or pull-off spring further, reach the object of regulating spring decrement, and by the adjustment of amount of spring compression, change the dynamics that expansion piece 3 holds out against trocar sheath 2, change rotary joint with this and rotate the sensitivity and complexity that regulate.
Based on the rotary joint provided in above-described embodiment, present invention also offers a kind of specific electromagnetic spectrum treatment radiator, this specific electromagnetic spectrum treatment radiator comprises any one rotary joint in above-described embodiment.The rotary joint in above-described embodiment is have employed, so the beneficial effect of this specific electromagnetic spectrum treatment radiator please refer to above-described embodiment due to this specific electromagnetic spectrum treatment radiator.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.