CN210372094U - Rising stem gate valve support - Google Patents
Rising stem gate valve support Download PDFInfo
- Publication number
- CN210372094U CN210372094U CN201921166861.1U CN201921166861U CN210372094U CN 210372094 U CN210372094 U CN 210372094U CN 201921166861 U CN201921166861 U CN 201921166861U CN 210372094 U CN210372094 U CN 210372094U
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- support
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- gate valve
- hand wheel
- annular
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Abstract
The utility model discloses a rising stem gate valve support, including valve body and the valve rod of setting inside the valve body, the top of valve body is provided with the valve gap, and the top of valve gap is fixed with the gate valve support, the top of gate valve support is provided with the hand wheel, and the top of valve rod runs through to the top surface of hand wheel, the top of gate valve support is equipped with the support top cover of integral type, and the top surface of support top cover is provided with can dismantle annular top ring, the top surface of can dismantling annular top ring has evenly seted up a plurality of roller grooves; through the top surface at the annular top ring of dismantling set up roller groove, pivot and cylindrical roller for the hand wheel can not contact with the annular top ring of dismantling on gate valve support top at follow-up rotatory in-process, and change original sliding friction into rolling friction under cylindrical roller's effect, thereby reduced the hand wheel by a wide margin and dismantled the wearing and tearing between the annular top ring, avoid excessive wearing and tearing to follow-up hand wheel rotation to cause the problem of influence.
Description
Technical Field
The utility model belongs to the technical field of rising stem gate valve support, concretely relates to rising stem gate valve support.
Background
The valve rod of the rising stem gate valve is exposed, and the valve plate connected with the valve rod is lifted or lowered mainly through the advancing and retreating of the hand wheel and the valve rod thread to achieve the opening and closing effects.
Present rising stem gate valve is in the use, need rotate the hand wheel at the top of gate valve support, comes to go up and down to the valve plate that the valve rod is connected, nevertheless because the bottom of hand wheel and the top surface of gate valve support laminate each other, can with the friction that gate valve support top surface does not stop at the hand wheel rotation in-process, all can cause the wearing and tearing of different degrees to hand wheel and gate valve support top surface, can make the subsequent rotation of hand wheel more for labouring after long-time, it is comparatively inconvenient to use, for this reason the utility model provides a rising stem gate valve support.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rising stem gate valve support, with the current rising stem gate valve that proposes in solving above-mentioned background art in the use, need rotate the hand wheel at the top of gate valve support, the valve plate of connecting the valve rod goes up and down, nevertheless because the bottom of hand wheel and the top surface of gate valve support laminate each other, can rotate the friction that the in-process can not stop with gate valve support top surface at the hand wheel, can all cause the wearing and tearing of different degrees to hand wheel and gate valve support top surface, can make the subsequent rotation of hand wheel more for the labouring after long-time, use comparatively inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme: rising stem gate valve support, including valve body and the valve rod of setting in the valve body inside, the top of valve body is provided with the valve gap, and the top of valve gap is fixed with the gate valve support, the top of gate valve support is provided with the hand wheel, just the top of valve rod runs through to the top surface of hand wheel, the top of gate valve support is equipped with the support top cover of integral type, and the top surface of support top cover is provided with can dismantle annular top ring, a plurality of roller grooves have evenly been seted up to the top surface that can dismantle annular top ring, just the inside in roller groove is provided with cylindrical roller, be provided with the pivot between cylindrical roller and the roller groove, the hand wheel is in the top that can dismantle annular top ring, and the bottom surface and the cylindrical roller of hand wheel laminate mutually.
Preferably, the bottom of the gate valve support is provided with an integrated support bottom sleeve, the support bottom sleeve is fixedly connected with the top of the valve cover through a bolt, the bottom surface of the support bottom sleeve is symmetrically provided with two integrated positioning insertion rods, and the top of the valve cover is provided with two positioning insertion slots matched with the positioning insertion rods.
Preferably, the two ends of the support bottom sleeve are internally provided with through bolt holes, and the top surface of the valve cover is provided with two reserved through holes corresponding to the bolt holes.
Preferably, a circular through hole matched with the valve rod is formed in the support bottom sleeve, and a circular through hole matched with the valve rod is also formed in the top surface of the valve cover.
Preferably, the bottom surface of the detachable annular top ring is provided with an integrated annular threaded part, and the top surface of the support top sleeve is provided with an annular threaded groove matched with the annular threaded part.
Preferably, the top surface of the detachable annular top ring is provided with a hexagonal groove, and the bottom end of the hexagonal groove is provided with a valve rod hole communicated with the bottom surface of the detachable annular top ring.
Preferably, the inner wall of the hand wheel is provided with threads matched with the surface of the valve rod, and the valve cover is fixed on the top surface of the valve body through bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
1. set up the roller groove through the top surface at the annular top circle of dismantling, pivot and cylindrical roller, make the hand wheel at follow-up rotatory in-process, can not contact with the annular top circle of dismantling on gate valve support top, and change original sliding friction into rolling friction under cylindrical roller's effect, thereby the wearing and tearing between hand wheel and the detachable annular top circle have been reduced by a wide margin, avoid excessive wearing and tearing to rotate the problem that causes the influence to follow-up hand wheel, and set up to removable through dismantling the annular top circle, make cylindrical roller appear can dismantle the annular top circle alone and change after damaging, thereby the maintenance cost of gate valve support has been reduced.
2. When the gate valve support needs to be fixed at the top of valve gap, only need to insert the inside of positioning slot with two location inserted bars of support end cover bottom, then fix bolt and nut can again, under the effect of positioning inserted bar and positioning slot, can play good positioning action when the gate valve support mounting, make the inside bolt hole of support end cover can be quick align with the reservation through-hole on valve gap top, and in follow-up use, because the location inserted bar is in positioning slot's inside always, also make the support end cover more firm with being connected of valve gap, thereby improve the steadiness of gate valve support.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partially enlarged structure of the area A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the sectional structure of the detachable top ring and the top sleeve of the bracket of the present invention;
fig. 4 is a schematic top view of the gate valve support of the present invention;
fig. 5 is a schematic bottom view of a gate valve support according to embodiment 2 of the present invention;
fig. 6 is a schematic view of a connection cross-sectional structure of a bracket bottom cover and a valve cover in embodiment 2 of the present invention;
in the figure: 1. a valve body; 2. a valve cover; 3. a bracket bottom sleeve; 4. a gate valve support; 5. a hand wheel; 6. a support top sleeve; 7. a valve stem; 8. the annular top ring can be disassembled; 9. a cylindrical roller; 10. a rotating shaft; 11. a roller groove; 12. an annular threaded member; 13. an annular thread groove; 14. a hexagonal groove; 15. a valve stem bore; 16. bolt holes; 17. positioning the inserted rod; 18. and positioning the slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, the present invention provides a technical solution: an open stem gate valve support comprises a valve body 1 and a valve rod 7 arranged inside the valve body 1, wherein a valve cover 2 is fixed at the top of the valve body 1 through bolts, a gate valve support 4 is fixed at the top of the valve cover 2, a hand wheel 5 is arranged at the top of the gate valve support 4, the top end of the valve rod 7 penetrates through the top surface of the hand wheel 5, an integrated support top sleeve 6 is arranged at the top end of the gate valve support 4, a detachable annular top ring 8 is arranged on the top surface of the support top sleeve 6, a plurality of roller grooves 11 are uniformly formed in the top surface of the detachable annular top ring 8, cylindrical rollers 9 are arranged inside the roller grooves 11, a rotating shaft 10 is arranged between the cylindrical rollers 9 and the roller grooves 11, the hand wheel 5 is positioned at the top of the detachable annular top ring 8, and the bottom end surface of the hand wheel 5 is attached to the cylindrical rollers 9, so that the hand wheel 5 cannot be contacted with the detachable annular, and the original sliding friction is changed into rolling friction under the action of the cylindrical roller 9, so that the abrasion of the hand wheel 5 and the detachable annular top ring 8 is greatly reduced.
In this embodiment, preferably, the bottom surface of the detachable annular top ring 8 is provided with an integrated annular threaded part 12, and the top surface of the support top sleeve 6 is provided with an annular thread groove 13 matched with the annular threaded part 12, so that the detachable annular top ring 8 can be detached alone for replacement.
In this embodiment, preferably, the top surface of the detachable annular top ring 8 is provided with a hexagonal groove 14, and the bottom end of the hexagonal groove 14 is provided with a valve rod hole 15 communicated with the bottom surface of the detachable annular top ring 8, so that the detachable annular top ring 8 can be detached by using an internal hexagonal wrench.
Example 2
Referring to fig. 1 to 6, the present invention provides a technical solution: an open stem gate valve support comprises a valve body 1 and a valve rod 7 arranged inside the valve body 1, wherein a valve cover 2 is fixed at the top of the valve body 1 through bolts, a gate valve support 4 is fixed at the top of the valve cover 2, a hand wheel 5 is arranged at the top of the gate valve support 4, the top end of the valve rod 7 penetrates through the top surface of the hand wheel 5, an integrated support top sleeve 6 is arranged at the top end of the gate valve support 4, a detachable annular top ring 8 is arranged on the top surface of the support top sleeve 6, a plurality of roller grooves 11 are uniformly formed in the top surface of the detachable annular top ring 8, cylindrical rollers 9 are arranged inside the roller grooves 11, a rotating shaft 10 is arranged between the cylindrical rollers 9 and the roller grooves 11, the hand wheel 5 is positioned at the top of the detachable annular top ring 8, and the bottom end surface of the hand wheel 5 is attached to the cylindrical rollers 9, so that the hand wheel 5 cannot be contacted with the detachable annular, and the original sliding friction is changed into rolling friction under the action of the cylindrical roller 9, so that the abrasion of the hand wheel 5 and the detachable annular top ring 8 is greatly reduced.
In this embodiment, preferably, the bottom end of the gate valve support 4 is provided with the support bottom sleeve 3 of the integrated type, and the support bottom sleeve 3 is fixedly connected with the top end of the valve cover 2 through the bolt, the bottom surface of the support bottom sleeve 3 is symmetrically provided with the two integrated positioning insertion rods 17, and the top end of the valve cover 2 is provided with the two positioning insertion slots 18 matched with the positioning insertion rods 17, under the effects of the positioning insertion rods 17 and the positioning insertion slots 18, a good positioning effect can be achieved when the gate valve support 4 is installed, and in a subsequent use process, because the positioning insertion rods 17 are always located inside the positioning insertion slots 18, the support bottom sleeve 3 is more stably connected with the valve cover 2.
In this embodiment, preferably, the through bolt holes 16 are formed in the two ends of the support bottom sleeve 3, and two reserved through holes corresponding to the bolt holes 16 are formed in the top surface of the valve cover 2, so that the support bottom sleeve 3 can be smoothly fixed to the top of the valve cover 2 through bolts.
In this embodiment, preferably, a circular through hole matched with the valve rod 7 is formed in the support bottom sleeve 3, and a circular through hole matched with the valve rod 7 is also formed in the top surface of the valve cover 2, so that the valve rod 7 can smoothly penetrate through the support bottom sleeve 3 and the valve cover 2.
In this embodiment, preferably, the bottom surface of the detachable annular top ring 8 is provided with an integrated annular threaded part 12, and the top surface of the support top sleeve 6 is provided with an annular thread groove 13 matched with the annular threaded part 12, so that the detachable annular top ring 8 can be detached alone for replacement.
In this embodiment, preferably, the top surface of the detachable annular top ring 8 is provided with a hexagonal groove 14, and the bottom end of the hexagonal groove 14 is provided with a valve rod hole 15 communicated with the bottom surface of the detachable annular top ring 8, so that the detachable annular top ring 8 can be detached by using an internal hexagonal wrench.
The utility model discloses a theory of operation and use flow: when the gate valve support 4 is used, the valve rod 7 penetrates through the inside of the gate valve support 4, so that the gate valve support 4 is sleeved on the surface of the valve rod 7 and then is fixed to the top of the valve cover 2 through a bolt, and the gate valve support 4 can be installed, so that a good supporting effect is achieved when the hand wheel 5 rotates;
when the hand wheel 5 is rotated on top of the removable annular top ring 8, it comes into contact with the cylindrical roller 9, and causes the cylindrical roller 9 to rotate inside the roller groove 11, thereby changing the prior sliding friction into rolling friction, greatly reducing the abrasion between the hand wheel 5 and the detachable annular top ring 8, thereby prolonging the service life of the gate valve bracket 4, and when the cylindrical roller 9 is damaged, only the inner hexagonal wrench needs to be inserted into the hexagonal groove 14, and the detachable annular top ring 8 is screwed on the top end of the bracket top sleeve 6 in a rotating way, so that the annular thread piece 12 is screwed out from the inner part of the annular thread groove 13, the detachable annular top ring 8 can be smoothly detached and replaced, and the annular thread piece 12 is screwed into the annular thread groove 13 and screwed tightly during subsequent installation, the detachable annular top ring 8 can be installed, so that the detachable annular top ring 8 can be detached from the top end of the support top sleeve 6 independently for replacement;
when the gate valve support 4 needs to be fixed at the top of the valve cover 2, only two positioning insertion rods 17 at the bottom of the support bottom sleeve 3 need to be inserted into the positioning insertion slots 18, then bolts penetrate through the support bottom sleeve 3 and the valve cover 2, and the nuts are screwed, so that the gate valve support 4 can be smoothly fixed at the top of the valve cover 2, under the action of the positioning insertion rods 17 and the positioning insertion slots 18, a good positioning effect can be achieved when the gate valve support 4 is installed, bolt holes 16 in the support bottom sleeve 3 can be quickly aligned with reserved through holes in the top end of the valve cover 2, and in the subsequent use process, as the positioning insertion rods 17 are always located in the positioning insertion slots 18, the support bottom sleeve 3 and the valve cover 2 are also more stably connected, and the stability of the gate valve support 4 is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Rising stem gate valve support, including valve body (1) and set up valve rod (7) inside valve body (1), the top of valve body (1) is provided with valve gap (2), and the top of valve gap (2) is fixed with gate valve support (4), the top of gate valve support (4) is provided with hand wheel (5), just the top surface to hand wheel (5), its characterized in that are run through on the top of valve rod (7): the top of gate valve support (4) is equipped with support top cover (6) of integral type, and the top surface of support top cover (6) is provided with can dismantle annular top circle (8), a plurality of roller grooves (11) have evenly been seted up to the top surface of can dismantling annular top circle (8), just the inside in roller groove (11) is provided with cylindrical roller (9), be provided with pivot (10) between cylindrical roller (9) and roller groove (11), hand wheel (5) are in the top that can dismantle annular top circle (8), and the bottom surface of hand wheel (5) laminates with cylindrical roller (9) mutually.
2. A rising stem gate valve poppet as defined in claim 1, wherein: the bottom of gate valve support (4) is equipped with cover (3) at the bottom of the support of integral type, and passes through bolt fixed connection on the top of cover (3) and valve gap (2) at the bottom of the support, the bottom surface symmetry of cover (3) is provided with the location inserted bar (17) of two integral types at the bottom of the support, just two location slots (18) with location inserted bar (17) looks adaptation are seted up on the top of valve gap (2).
3. A rising stem gate valve poppet as defined in claim 2, wherein: the support is characterized in that penetrating bolt holes (16) are formed in the two ends of the support bottom sleeve (3), and two reserved through holes corresponding to the bolt holes (16) are formed in the top surface of the valve cover (2).
4. A rising stem gate valve poppet as defined in claim 2, wherein: the support bottom sleeve (3) is internally provided with a circular through hole matched with the valve rod (7), and the top surface of the valve cover (2) is also provided with a circular through hole matched with the valve rod (7).
5. A rising stem gate valve poppet as defined in claim 1, wherein: the bottom surface of the detachable annular top ring (8) is provided with an integrated annular threaded part (12), and the top surface of the support top sleeve (6) is provided with an annular thread groove (13) matched with the annular threaded part (12).
6. A rising stem gate valve poppet as defined in claim 5, wherein: the top surface of the detachable annular top ring (8) is provided with a hexagonal groove (14), and the bottom end of the hexagonal groove (14) is provided with a valve rod hole (15) communicated with the bottom surface of the detachable annular top ring (8).
7. A rising stem gate valve poppet as defined in claim 1, wherein: the inner wall of the hand wheel (5) is provided with threads matched with the surface of the valve rod (7), and the valve cover (2) is fixed on the top surface of the valve body (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166861.1U CN210372094U (en) | 2019-07-24 | 2019-07-24 | Rising stem gate valve support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166861.1U CN210372094U (en) | 2019-07-24 | 2019-07-24 | Rising stem gate valve support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210372094U true CN210372094U (en) | 2020-04-21 |
Family
ID=70273318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921166861.1U Active CN210372094U (en) | 2019-07-24 | 2019-07-24 | Rising stem gate valve support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210372094U (en) |
-
2019
- 2019-07-24 CN CN201921166861.1U patent/CN210372094U/en active Active
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