CN206285153U - One kind is built-in to turn attachment structure - Google Patents

Abstract

The utility model offer one kind is built-in to turn attachment structure, the attachment structure has flexible rotation and operability concurrently, using succinct built-in assembling, improve the safety and reliability of connecting portion, the attachment structure can be used in various connected modes that had certain requirements to flexibility, the usage comfort of product can be improved, limitation and obstruction that connector is moved to parent is reduced.One kind is built-in to turn attachment structure, including housing, rotate pipe and connecting tube, wherein, the shell inner surface has inner groove and support ring, the inner groove and the support ring are spaced, the rotation tube outer surface that can be unrestrictedly rotated in the housing inner circumferential has double wedge, and be limited in a double wedge in the inner groove by support ring described in each two, and the flexible connecting tube connection rotation is managed and leads to the outer side.

Description

One kind is built-in to turn attachment structure

Technical field

The utility model is related to a kind of attachment structure, more particularly to a kind of built-in to turn attachment structure.

Background technology

In the structure member or product of many operability, attachment structure is indispensable, there is fixed connection and work Dynamic formula is connected, and especially in certain operations type product, if the connection of its coupling part is uncomfortable, can influence the operation and flexibly of product Property, the Chinese patent document of such as Application No. CN201420796678.0 discloses a kind of smoking pipe connecting structure and smoking electricity Knife, flexible pipe and a shell are the fixed connections for using in the technical scheme, do not have rotatable attachment structure, and this design can make Electric knife is pulled by flexible pipe and conductor wire in use, is unfavorable for operation, for another example Application No. The Chinese patent document of CN200920053974.0 discloses a kind of smoking electrotome pen, flexible pipe connection and pen in the technical scheme Shell use screw-type connection, this mode need add one section of threaded connector could complete, easily cause whole product It is structural too fat to move, and equally cannot flexible rotating, its conductor wire individually opening in shell derive, this further increases coiling knot Risk.

Utility model content

In order to address the deficiency of similar products attachment structure on solving, the purpose of this utility model is to provide a kind of built-in Attachment structure can be turned, the attachment structure has flexible rotation and operability concurrently, using succinct built-in assembling, lifting Connecting portion, the particularly safety and reliability of curable product connecting portion, the attachment structure can be used for various to flexible Property have certain requirements in connected mode, the usage comfort of product can be improved, reduce limitation that connector move to parent with Hinder.

Above-mentioned technical purpose of the present utility model technical scheme is that：One kind is built-in to be turned to connect Binding structure, including housing, rotation pipe and connecting tube, wherein, the shell inner surface has inner groove and support ring, the inner groove It is spaced with the support ring, the rotation tube outer surface that can be unrestrictedly rotated in the housing inner circumferential has double wedge, institute State the radical length of the radical length more than the double wedge of inner groove, the axle of the axial length more than the double wedge of the inner groove To length, be limited in a double wedge in the inner groove by support ring described in each two, and the flexible connecting tube connects The rotation is connect to manage and lead to the outer side.

The housing, the rotation pipe and the connecting tube constitute the main body of this attachment structure, and the housing is used The two-flap type structure of symmetrical subdivision, the shell inner surface has inner groove and support ring, the inner groove and the support interannular Every arrangement, the rotation tube outer surface has the double wedge that can be engaged with the inner groove, the support ring, the inner groove Size be more than the double wedge, be limited in a double wedge in the inner groove by support ring described in each two, the shell Coordinated using gap and between the rotation pipe, it is described rotate pipe, the connecting tube assembling had good positioning in the housing after, then It is entirety that matched moulds is welded and fixed, and realizes that the direction of rotation of the rotation pipe, the unrestricted of angle freely rotate, and operability is significantly Lifting.The double wedge quantity for rotating pipe is consistent with the inner ring slot number, and quantity is determined by structural requirement, works as attachment structure Multi-quantity can be set when strength demand is larger to coordinate, the reliability and flexibility for using is improved.The connecting tube connection is described Rotation is managed and leads to the outer side.When the utility model is used on the Medical Devices such as smoking electrotome pen, because being built-in Formula structure, can avoid that connecting portion is polluted by external contact object and pollutant spreads, infiltrates into phenomenon inside connector and send out It is raw, be used for power lug when the utility model, at cable connection etc. during place, can avoid electric leakage or direct body contact's cable and Situations such as electric shock, occurs, and security has obtained great guarantee.

As it is of the present utility model preferably, the inner groove bottom land both sides be buffering collision of closed portion.

Because the utility model is built-in gap fit structure, the phase between connection unit will occur in use Mutually collision, the design in the buffering collision of closed portion can make the friction between the inner groove and the double wedge and impact effects decrease, prolong The integrally-built service life of length.

As it is of the present utility model preferably, the buffering collision of closed portion be arc-shaped hydraulically smooth surface, the arc-shaped smooth wall Face smooths tangent with the inner groove groove face being connected.

The hydraulically smooth surface of arc-shaped by the double wedge different directions when being impacted, you can the guiding double wedge is along circle Arc wall kicking motion, can divide equally to whole cambered surface stress again, strengthen stress-bearing capability.

As it is of the present utility model preferably, the double wedge both sides of the edge be damping and silencing portion.

In frequent, continuous operation equipment, the housing can send shock because of mutual collision unavoidably with the pipe that rotates Sound, can weaken noise, and play the effect for reducing vibration feeling in double wedge both sides of the edge design damping and silencing portion from structure Really.

As it is of the present utility model preferably, the damping and silencing portion is arc-shaped anchor ring and smooth with the double wedge contact surface It is tangent.

The damping and silencing portion is designed to the arc-shaped being coincide with the buffering collision of closed portion, at utmost fits therewith, can Reduce the shock sound of generation because contact surface is big when colliding, secondly circular arc wall can independently disperse stress to reduce shake It is dynamic.

Seal preferably is surrounded by the outside of the rotation tube wall as of the present utility model, the seal is located at described Rotate between tube wall and the support ring.

There are seal or sealing structure between the rotation tube wall and the support ring, improve the close of attachment structure Feng Xing, meets selection requirements of the equipment high to sealing requirements to attachment structure, is ensureing the condition of certain seal request Under, the rotation pipe can realize flexible rotating.

As it is of the present utility model preferably, the seal be annular elastic gasket, the annular elastic gasket axle Width to width not less than the support ring.

The width that the axial width of the annular elastic gasket is designed to be not less than the support ring is to prevent Mutually collided with the support ring edge, contradicted and cause malformation influence sealing effectiveness in the annular elastic gasket edge.

As of the present utility model preferred, there is fixing seal portion between the rotation pipe and the connecting tube.

The connecting tube is connected with the pipe that rotates, and connected mode is fixing seal, can be responsible for fluid derivation and provide logical Road simultaneously prevents seepage, and the concrete form and material of the connecting tube are not limited.

As it is of the present utility model preferably, the housing is away from rotation connecting tube bearing of trend side described in Guan Bingchao It is end joined portion.

Preferably the outside in the end joined portion is arc binding face as of the present utility model, and inner side positions to float Portion, space is left between the floating location division and the connecting tube.

For lifting operation comfort, end joined portion outside is designed as arc surface, at the same with the connection The position of pipe engagement carries out floating Position Design, because the shell understands frequent, multiple degrees of freedom, multi-direction motion in operation, The connecting tube can follow the shell to be rotated with the rotation pipe, bending, if junction is fixed, can be ground during motion Same position is damaged, the life-span of the connecting tube is shortened.

In sum, the utility model has the advantages that：

1. the achievable direction of rotation of pipe, the unrestricted of angle are rotated described in freely to rotate, and greatly promote operability.It is described Double wedge determines with the inner groove quantity by structural requirement, can freely set quantity cooperation, improves the reliability and spirit for using Activity.Connecting portion can be avoided to be polluted by external contact object for built-in structure and pollutant spreads, infiltrates into inside connector Phenomenon occur, or even prevent electric wire from leaking electricity, ensured security.

2. the design in buffering collision of closed portion described in can make the friction and impact effects decrease between the inner groove and the double wedge, Extend integrally-built service life.The hydraulically smooth surface of arc-shaped may be guided the double wedge kicking motion, strengthen stress-bearing capability.

3. damping and silencing portion described in can weaken noise from structure, and play the effect for reducing vibration feeling.

4. being rotated described on tube wall has seal, and under conditions of certain seal request is ensured, the rotation pipe can Realize flexible rotating.

5. housing described in carries out floating Position Design at the position engaged with the connecting tube, it is to avoid the connecting tube rotation Turn, motion when wear and tear same position, extend the life-span of the connecting tube.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

In figure：1st, housing, 11, inner groove, 111, buffering collision of closed portion, 12, end joined portion, 121, arc binding face, 122nd, floating location division, 13, support ring, 2, rotate pipe, 21, double wedge, 211, damping and silencing portion, 3, connecting tube, 4, seal, 5, Fixing seal portion.

Specific embodiment

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

This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected by Patent Law in right of the present utility model.

Embodiment 1, as shown in figure 1, one kind is built-in to turn attachment structure, including housing 1, rotation pipe 2 and connecting tube 3, Wherein, housing 1 using symmetrical subdivision two-flap type structure, the inner surface of housing 1 has inner groove 11 and a support ring 13, inner groove 11 with Support ring 13 is spaced, and rotating the outer surface of pipe 2 has the double wedge 21 that can be engaged with inner groove 11, support ring 13, inner groove 11 Size be greater than double wedge 21, be limited in a double wedge 21 in inner groove 11 by each two support ring 13, shell 1 and rotate pipe 2 Between coordinated using gap, after rotating pipe 2, connecting tube 3 assembling being had good positioning in the housing 1, then it is entirety that matched moulds is welded and fixed, real The direction of rotation of pipe 2, the unrestricted of angle is now rotated freely to rotate.The quantity of double wedge 21 for rotating pipe 2 is counted with the inner groove 11 Unanimously, quantity is determined that settable multi-quantity coordinates when attachment structure strength demand is larger by structural requirement.Connecting tube 3 is connected Rotate pipe 2 and lead to the outside of shell 1.The connection of connecting tube 3 rotates pipe 2 and leads to the outside of shell 1.The bottom land both sides of inner groove 11 are slow Portion 111 is hit in collision.Buffering collision of closed portion 111 is arc-shaped hydraulically smooth surface, arc-shaped hydraulically smooth surface and the groove of inner groove 11 being connected Face smooths tangent.The both sides of the edge of double wedge 21 are damping and silencing portion 211.Damping and silencing portion 211 be arc-shaped anchor ring and with double wedge 21 Contact surface smooths tangent.Rotate pipe 2 tube wall outside and be surrounded by seal 4, seal 4 be located at rotate the tube wall of pipe 2 and support ring 13 it Between.Seal 4 is annular elastic gasket, width of the annular elastic gasket axial width not less than support ring 13.Rotate pipe 2 There is fixing seal portion 5 between connecting tube 3.Housing 1 away from rotate pipe 2 and towards the bearing of trend side of connecting tube 3 be end joined Portion 12.The outside in end joined portion 12 is arc binding face 121, and inner side is floating location division 122, floating location division 122 and company Space is left between adapter 3.

Claims (10)

1. one kind is built-in turns attachment structure, including housing（1）, rotate pipe（2）And connecting tube（3）, it is characterised in that：It is described Housing（1）Inner surface has inner groove（11）And support ring（13）, the inner groove（11）With the support ring（13）It is spaced, Can be in the housing（1）The rotation pipe that inner circumferential is unrestrictedly rotated（2）There is double wedge outer surface（21）, the inner groove（11） Radical length be more than the double wedge（21）Radical length, the inner groove（11）Axial length be more than the double wedge（21） Axial length, support ring described in each two（13）By a double wedge（21）It is limited in the inner groove（11）It is interior, bendable The bent connecting tube（3）Connection is described to rotate pipe（2）And lead to the housing（1）Outside.

2. one kind according to claim 1 is built-in turns attachment structure, it is characterised in that：The inner groove（11）Bottom land Both sides are buffering collision of closed portion（111）.

3. one kind according to claim 2 is built-in turns attachment structure, it is characterised in that：The buffering collision of closed portion （111）It is arc-shaped hydraulically smooth surface, the arc-shaped hydraulically smooth surface and the inner groove being connected（11）Groove face smooths tangent.

4. one kind according to claim 1 is built-in turns attachment structure, it is characterised in that：The double wedge（21）Two sides Edge is damping and silencing portion（211）.

5. one kind according to claim 4 is built-in turns attachment structure, it is characterised in that：The damping and silencing portion （211）For arc-shaped anchor ring and with the double wedge（21）Contact surface smooths tangent.

6. one kind according to claim 1 is built-in turns attachment structure, it is characterised in that：It is described to rotate pipe（2）Tube wall Outside is surrounded by seal（4）, the seal（4）Pipe is rotated positioned at described（2）Tube wall and the support ring（13）Between.

7. one kind according to claim 6 is built-in turns attachment structure, it is characterised in that：The seal（4）It is ring Shape elastic seal ring, the annular elastic gasket axial width is not less than the support ring（13）Width.

8. one kind according to claim 1 is built-in turns attachment structure, it is characterised in that：It is described to rotate pipe（2）With institute State connecting tube（3）Between have fixing seal portion（5）.

9. one kind according to claim 1 is built-in turns attachment structure, it is characterised in that：The housing（1）Away from institute State rotation pipe（2）And towards the connecting tube（3）Bearing of trend side is end joined portion（12）.

10. one kind according to claim 9 is built-in turns attachment structure, it is characterised in that：The end joined portion （12）Outside be arc binding face（121）, inner side is floating location division（122）, the floating location division（122）With the company Adapter（3）Between leave space.