CN205350544U - Rotary motion valve mounting structure - Google Patents
Rotary motion valve mounting structure Download PDFInfo
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- CN205350544U CN205350544U CN201521025137.9U CN201521025137U CN205350544U CN 205350544 U CN205350544 U CN 205350544U CN 201521025137 U CN201521025137 U CN 201521025137U CN 205350544 U CN205350544 U CN 205350544U
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- valve rod
- base plate
- installation base
- rotary motion
- ball bearing
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Abstract
The utility model discloses a rotary motion valve mounting structure, including valve rod and installing support, have on the installing support with the axial looks vertically mounting substrate of valve rod, what have the valve rod on this mounting substrate wears to adorn the hole, what the valve rod penetrated mounting substrate wears to adorn the hole, and the cover is equipped with the last thrust ball bearing who lock by last self -locking nut on the valve rod of mounting substrate upside on mounting substrate, overlaps the lower thrust ball bearing who is equipped with by playing the self -locking nut to lock on mounting substrate on the valve rod of mounting substrate downside. The utility model discloses effective and form axial installation location reliably on the installing support with rotary motion valve's valve rod, this installation location has alleviateed the valve internals gravity that valve rod and disk seat received respectively effectively, make rotary motion valve to open, close the action light easy, also greatly reduced the wearing and tearing between case and the disk seat, stopped the axial float phenomenon of valve rod simultaneously, these structural characteristics make the rotary motion valve operation stably, good, the long service life of sealing performance.
Description
Technical field
This utility model relates to rotary motion valve, specifically a kind of rotary motion valve mounting structure.
Background technology
Rotary motion valve is mainly made up of valve seat, spool and valve rod etc., spool is assemblied in valve seat, valve rod is connected with spool and extends valve seat and carries out installing fixing, under the effect of valve rod, spool is followed valve rod one and is acted as the angle spinning movement being perpendicular to valve rod, realizes being switched on and off to the medium channel on valve seat with this.
By the architectural characteristic of rotary motion valve it should be apparent that, the trim weight including spool acts directly on valve rod, acts also on valve seat simultaneously, this action that opens and closes resulting in rotary motion valve is required great effort, less reliable, but also the abrasion between spool and valve seat can be aggravated, being not sufficiently stable, service life is short；It addition, the trim of conventional angular stroke valve is under the pressure oscillation of medium, vibrating in valve seat, and then make valve rod upper and lower play phenomenon occur, this will have a strong impact on the sealing property of rotary motion valve.
In view of this, the rotary motion valve mounting structure of various optimization is occurred in that in industry, such as Chinese patent literature disclosed " a kind of angle journey valve support " (publication number: CN200975538, publication date: on November 14th, 2007), " angular travel valve mounting rack " (publication number: CN2653259, publication date: on November 3rd, 2004) etc., although these technology compare traditional rotary motion valve, achieve the installation on support of the valve rod of rotary motion valve by bearing arrangement to fix, alleviate the direct effect on valve seat of the trim gravity, and the play phenomenon of valve rod.But, the unreasonable structure that these technology are arranged in mounting bracket due to bearing, still exist and be not sufficiently stable and reliable technical problem, this is because: 1. what set on the valve rod at bearing place locking nut can be long-term with mounting bracket contacts friction, in the course of time can there is serious wear phenomenon, cause the spacing of bearing is loosened；2. the structural stress of valve rod can be damaged by locking nut locking mechanism on valve rod, and then affects the structural strength of valve rod.
Summary of the invention
Goal of the invention of the present utility model is in that: for above-mentioned the deficiencies in the prior art, there is provided one can valve rod be formed in the axial direction and location is efficiently and securely installed, and this installation and positioning structure can be stablized, firmly, persistently, the simultaneously impregnable rotary motion valve mounting structure of stem structure intensity.
This utility model be the technical scheme is that a kind of rotary motion valve mounting structure, including valve rod and mounting bracket, described mounting bracket has the axially perpendicular installation base plate with valve rod, this installation base plate has the mounting hole of valve rod, described valve rod penetrates the mounting hole of installation base plate, valve rod on the upside of installation base plate is set with the lifting force ball bearing locked on installation base plate by upper self-locking nut, the valve rod on the downside of installation base plate is set with the lower thrust ball bearing locked on installation base plate by lower self-locking nut.
Preferably, in the mounting hole of described installation base plate, be provided with radial ball bearing, valve rod in radial ball bearing axially across.Further, the inner ring of described radial ball bearing is connected with valve rod threadably, outer ring is connected with the mounting hole hole wall of installation base plate threadably.
The upper surface of described installation base plate is provided with the deep gouge of setting-in lifting force ball bearing.
The lower surface of described installation base plate is provided with the deep gouge of the lower thrust ball bearing of setting-in.
Described mounting bracket is " day " character form structure, and installation base plate is in the inner chamber center of mounting bracket.
Preferably, described upper self-locking nut or lower self-locking nut are mainly made up of nut body and lock-screw, the circumference of described nut body is provided with deformation groove, the part of the nut body corresponding to described deformation groove is provided with axial screwed hole, and described lock-screw penetrates in the screwed hole of nut body, forces deformation nut body corresponding to groove to produce axial deformation.Further, the deformation groove on described nut body is the segmental arc groove on nut body circumference.Further, the deformation groove on described nut body is the groove structure that nut body inner and outer wall communicates.
The beneficial effects of the utility model are:
1. this utility model passes through lifting force ball bearing and lower thrust ball bearing, the valve rod of rotary motion valve is efficiently and securely formed in mounting bracket axial installation location, this installation location alleviates the trim gravity suffered by valve rod and valve seat respectively effectively, make rotary motion valve to open and close action easily easy, it is greatly reduced the abrasion between spool and valve seat, having stopped the axial float phenomenon of valve rod, these architectural characteristics make that rotary motion valve is stable, good seal performance, long service life simultaneously；
2. the upper and lower self-locking nut on this utility model valve rod contacts without being formed with mounting bracket, so, under the spinning movement of valve rod, upper and lower self-locking nut only need to be formed with corresponding thrust ball bearing and contact, substantially without producing frictional force, self-locking nut is stable, firm, reliable and lasting to corresponding thrust ball bearing locking mechanism, has ensured stability and reliability that rotary motion valve runs further；
3. the upper and lower self-locking nut on this utility model valve rod is respectively provided with well and reliably self-locking performance, namely when upper and lower self-locking nut carries out self-locking, without destroying the structural stress of mounting bracket or valve rod, the structural strength of valve rod is high, is conducive to that rotary motion valve is long-acting, reliably runs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, this utility model is further described.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is another kind of structural representation of the present utility model.
Code name implication in figure: 1 valve rod；2 mounting brackets；3 installation base plates；4 lifting force ball bearings；5 times thrust ball bearings；Self-locking nut on 6；7 times self-locking nuts；8 radial ball bearings；Lock-screw on 9；10 times lock-screws.
Detailed description of the invention
Embodiment 1
Shown in Figure 1, this utility model is the mounting structure of rotary motion valve, and it includes valve rod 1 and mounting bracket 2.
Wherein, mounting bracket 2 main by support body, be in the infolding top board at support body top, be in the infolding base plate of support body bottom and constitute from the installation base plate 3 of radial protrusion in the middle part of support body inner chamber, whole mounting bracket 2 is in " day " character form structure.Bottom plate and installation base plate 3 are respectively equipped with the mounting hole of valve rod 1, mounting hole on base plate is more than the mounting hole on installation base plate 3, this is because the mounting hole on base plate also allows for penetrating axle sleeve/sleeve part, the mounting hole on installation base plate 3 is slightly larger than the diameter of valve rod 1；Aforementioned top board is provided with handle hole.The upper face center place of aforementioned installation base plate 3, i.e. circumference centered by mounting hole, be provided with the deep gouge of setting-in lifting force ball bearing 4, and the degree of depth of this deep gouge is less than the height of lifting force ball bearing 4.The lower surface centre of aforementioned installation base plate 3, i.e. circumference centered by mounting hole, be provided with being embedded in the deep gouge of lower thrust ball bearing 5, and the degree of depth of this deep gouge is less than the height of lower thrust ball bearing 5.
The top of valve rod 1 is provided with connection screw thread, and valve rod 1 axially penetrates mounting bracket 2, and is through to more than installation base plate 3 end face, and so, the installation base plate 3 of mounting bracket 2 is axially perpendicular with valve rod 1；The screw thread that connects on valve rod 1 is in the upper side and lower side of installation base plate 3 respectively.Being set with lifting force ball bearing 4 on valve rod 1 on the upside of installation base plate 3, the lower circle of this lifting force ball bearing 4 is sitting in the deep gouge of installation base plate 3 upper surface；Threaded on valve rod 1 on the upside of lifting force ball bearing 4 have upper self-locking nut 6, and upper self-locking nut 6 holds out against the upper circle of lifting force ball bearing 4, and with this, lifting force ball bearing 4 is locked by upper self-locking nut 6 on installation base plate 3.Being set with lower thrust ball bearing 5 on valve rod 1 on the downside of installation base plate 3, the upper circle of this lower thrust ball bearing 5 is sitting in the deep gouge of installation base plate 3 lower surface；Threaded on valve rod 1 on the downside of lower thrust ball bearing 5 have lower self-locking nut 7, and lower self-locking nut 7 holds out against lower thrust ball bearing 5 at Xia Quan, and with this, lower thrust ball bearing 5 is locked by lower self-locking nut 7 on installation base plate 3.
Above-mentioned upper self-locking nut 6 is mainly made up of nut body and lock-screw.The circumference of nut body is provided with the deformation groove of arc shape, length is nut body circumference the 1/4～1/3 of deformation groove；This deformation groove is groove structure, and the inwall of the inner side and nut body that namely deform groove communicates, outside communicates with the outer wall of nut body；The part of deformation nut body corresponding to groove is provided with axial screwed hole, and namely screwed hole extends to other end from nut body end face by deforming groove.Upper lock-screw 9 from top to bottom penetrates in the screwed hole of nut body of self-locking nut 6, forces deformation nut body corresponding to groove to produce axial deformation, makes upper self-locking nut 6 sting the screw thread on tight valve rod 1 with this, it is achieved self-locking.
The structure of lower self-locking nut 7 is the same with the structure of upper self-locking nut 6, and difference is in that, lower lock-screw 10 penetrate direction for from bottom to top to penetrate.Concrete, lower self-locking nut 7 is mainly made up of nut body and lock-screw.The circumference of nut body is provided with the deformation groove of arc shape, length is nut body circumference the 1/4～1/3 of deformation groove；This deformation groove is groove structure, and the inwall of the inner side and nut body that namely deform groove communicates, outside communicates with the outer wall of nut body；The part of deformation nut body corresponding to groove is provided with axial screwed hole, and namely screwed hole extends to other end from nut body end face by deforming groove.Lower lock-screw 10 from bottom to top penetrates in the screwed hole of the nut body of lower self-locking nut 7, forces deformation nut body corresponding to groove to produce axial deformation, makes lower self-locking nut 7 sting the screw thread on tight valve rod 1 with this, it is achieved self-locking.
The outer wall of above-mentioned valve rod 1 at least should keep rotating freely gap with the hole wall of the mounting hole on installation base plate 3.
Embodiment 2
Shown in Figure 2, this utility model is the mounting structure of rotary motion valve, and it includes valve rod 1 and mounting bracket 2.
Wherein, mounting bracket 2 main by support body, be in the infolding top board at support body top, be in the infolding base plate of support body bottom and constitute from the installation base plate 3 of radial protrusion in the middle part of support body inner chamber, whole mounting bracket 2 is in " day " character form structure.Bottom plate and installation base plate 3 are respectively equipped with the mounting hole of valve rod 1, mounting hole on base plate is more than the mounting hole on installation base plate 3, this is because the mounting hole on base plate also allows for penetrating axle sleeve/sleeve part, the mounting hole on installation base plate 3 is more than the diameter of valve rod 1；Aforementioned top board is provided with handle hole.The upper face center place of aforementioned installation base plate 3, i.e. circumference centered by mounting hole, be provided with the deep gouge of setting-in lifting force ball bearing 4, and the degree of depth of this deep gouge is less than the height of lifting force ball bearing 4.The lower surface centre of aforementioned installation base plate 3, i.e. circumference centered by mounting hole, be provided with being embedded in the deep gouge of lower thrust ball bearing 5, and the degree of depth of this deep gouge is less than the height of lower thrust ball bearing 5.
It is provided with radial ball bearing 8 in the mounting hole of above-mentioned installation base plate 3.The inner ring of radial ball bearing 8 is provided with the screw thread connecting valve rod 1, and the outer ring of radial ball bearing 8 is fixed on the mounting hole hole wall of installation base plate 3 threadably.
The top of valve rod 1 is provided with connection screw thread, and valve rod 1 axially penetrates mounting bracket 2, and is connected with radial ball bearing 8 inner ring at installation base plate 3 mounting hole place threadably；Valve rod 1 in radial ball bearing 8 axially across, be through to more than installation base plate 3 end face, so, the installation base plate 3 of mounting bracket 2 is axially perpendicular with valve rod 1；The screw thread that connects on valve rod 1 is in the upper side and lower side of installation base plate 3 respectively.Being set with lifting force ball bearing 4 on valve rod 1 on the upside of installation base plate 3, the lower circle of this lifting force ball bearing 4 is sitting in the deep gouge of installation base plate 3 upper surface；Threaded on valve rod 1 on the upside of lifting force ball bearing 4 have upper self-locking nut 6, and upper self-locking nut 6 holds out against the upper circle of lifting force ball bearing 4, and with this, lifting force ball bearing 4 is locked by upper self-locking nut 6 on installation base plate 3.Being set with lower thrust ball bearing 5 on valve rod 1 on the downside of installation base plate 3, the upper circle of this lower thrust ball bearing 5 is sitting in the deep gouge of installation base plate 3 lower surface；Threaded on valve rod 1 on the downside of lower thrust ball bearing 5 have lower self-locking nut 7, and lower self-locking nut 7 holds out against lower thrust ball bearing 5 at Xia Quan, and with this, lower thrust ball bearing 5 is locked by lower self-locking nut 7 on installation base plate 3.
Above-mentioned upper self-locking nut 6 is mainly made up of nut body and lock-screw.The circumference of nut body is provided with the deformation groove of arc shape, length is nut body circumference the 1/4～1/3 of deformation groove；This deformation groove is groove structure, and the inwall of the inner side and nut body that namely deform groove communicates, outside communicates with the outer wall of nut body；The part of deformation nut body corresponding to groove is provided with axial screwed hole, and namely screwed hole extends to other end from nut body end face by deforming groove.Upper lock-screw 9 from top to bottom penetrates in the screwed hole of nut body of self-locking nut 6, forces deformation nut body corresponding to groove to produce axial deformation, makes upper self-locking nut 6 sting the screw thread on tight valve rod 1 with this, it is achieved self-locking.
The structure of lower self-locking nut 7 is the same with the structure of upper self-locking nut 6, and difference is in that, lower lock-screw 10 penetrate direction for from bottom to top to penetrate.Concrete, lower self-locking nut 7 is mainly made up of nut body and lock-screw.The circumference of nut body is provided with the deformation groove of arc shape, length is nut body circumference the 1/4～1/3 of deformation groove；This deformation groove is groove structure, and the inwall of the inner side and nut body that namely deform groove communicates, outside communicates with the outer wall of nut body；The part of deformation nut body corresponding to groove is provided with axial screwed hole, and namely screwed hole extends to other end from nut body end face by deforming groove.Lower lock-screw 10 from bottom to top penetrates in the screwed hole of the nut body of lower self-locking nut 7, forces deformation nut body corresponding to groove to produce axial deformation, makes lower self-locking nut 7 sting the screw thread on tight valve rod 1 with this, it is achieved self-locking.
Various embodiments above only in order to this utility model to be described, is not intended to limit.Although this utility model has been described in detail by the concrete technical scheme with reference to the various embodiments described above, it will be understood by those within the art that: the concrete technical scheme in the various embodiments described above still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from spirit and scope of the present utility model.
Claims (9)
1. a rotary motion valve mounting structure, including valve rod (1) and mounting bracket (2), it is characterized in that: described mounting bracket (2) has the axially perpendicular installation base plate (3) with valve rod (1), this installation base plate (3) has the mounting hole of valve rod (1), described valve rod (1) penetrates the mounting hole of installation base plate (3), the valve rod (1) of installation base plate (3) upside is set with by upper self-locking nut (6) at the upper lifting force ball bearing (4) locked of installation base plate (3), the valve rod (1) of installation base plate (3) downside is set with by lower self-locking nut (7) at the upper lower thrust ball bearing (5) locked of installation base plate (3).
2. rotary motion valve mounting structure according to claim 1, it is characterised in that: be provided with radial ball bearing (8) in the mounting hole of described installation base plate (3), valve rod (1) in radial ball bearing (8) axially across.
3. rotary motion valve mounting structure according to claim 2, it is characterised in that: the inner ring of described radial ball bearing (8) is connected with valve rod (1) threadably, outer ring is connected with the mounting hole hole wall of installation base plate (3) threadably.
4. rotary motion valve mounting structure according to claim 1 or claim 2, it is characterised in that: the upper surface of described installation base plate (3) is provided with the deep gouge of setting-in lifting force ball bearing (4).
5. rotary motion valve mounting structure according to claim 1 or claim 2, it is characterised in that: the lower surface of described installation base plate (3) is provided with the deep gouge of the lower thrust ball bearing (5) of setting-in.
6. rotary motion valve mounting structure according to claim 1, it is characterised in that: described mounting bracket (2) is " day " character form structure, and installation base plate (3) is in the inner chamber center of mounting bracket (2).
7. rotary motion valve mounting structure according to claim 1, it is characterized in that: described upper self-locking nut (6) or lower self-locking nut (7) are mainly made up of nut body and lock-screw, the circumference of described nut body is provided with deformation groove, the part of the nut body corresponding to described deformation groove is provided with axial screwed hole, and described lock-screw penetrates in the screwed hole of nut body, forces deformation nut body corresponding to groove to produce axial deformation.
8. rotary motion valve mounting structure according to claim 7, it is characterised in that: the deformation groove on described nut body is the segmental arc groove on nut body circumference.
9. rotary motion valve mounting structure according to claim 7 or 8, it is characterised in that: the deformation groove on described nut body is the groove structure that nut body inner and outer wall communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521025137.9U CN205350544U (en) | 2015-12-11 | 2015-12-11 | Rotary motion valve mounting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521025137.9U CN205350544U (en) | 2015-12-11 | 2015-12-11 | Rotary motion valve mounting structure |
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| CN205350544U true CN205350544U (en) | 2016-06-29 |
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| CN201521025137.9U Active CN205350544U (en) | 2015-12-11 | 2015-12-11 | Rotary motion valve mounting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508724A (en) * | 2015-12-11 | 2016-04-20 | 四川勃朗蜀威科技有限公司 | Rotary motion valve mounting structure |
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2015
- 2015-12-11 CN CN201521025137.9U patent/CN205350544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508724A (en) * | 2015-12-11 | 2016-04-20 | 四川勃朗蜀威科技有限公司 | Rotary motion valve mounting structure |
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