CN210949955U - Whole body gate valve - Google Patents
Whole body gate valve Download PDFInfo
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- CN210949955U CN210949955U CN201922126183.2U CN201922126183U CN210949955U CN 210949955 U CN210949955 U CN 210949955U CN 201922126183 U CN201922126183 U CN 201922126183U CN 210949955 U CN210949955 U CN 210949955U
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Abstract
The utility model discloses a whole gate valve, which comprises a valve body, a valve plate, a slide block, a lifting screw rod, a shell and a manual thumb wheel, wherein the shell comprises a shell I and a shell II, the outer wall of the top end of the shell I is rotatably connected with the slide block, the surface of the slide block is provided with a rack, the position of the side wall of the shell II, which is right opposite to one side of the slide block, is provided with a window, a rotating shaft which is vertical to the top end of the shell I is fixed in the window through a bearing, the rotating shaft is fixed with the manual thumb wheel which is matched with the slide block, the inner sleeve of the slide block is provided with the lifting screw rod which is matched with the slide block, the bottom end of the lifting screw rod vertically extends into the shell I and is fixed with the valve plate which is matched with the shell I, the bottom end of the valve plate is provided with a V-shaped notch, the position of, good sealing, uneasy damage, long service life and convenient disassembly and assembly.
Description
Technical Field
The utility model relates to a gate valve technical field specifically is a whole body gate valve.
Background
The gate valve is a valve plate which is a switching element and can only be fully opened and fully closed, but cannot be adjusted and throttled.
At present, the general gate valves popular in the market have a plurality of types, the working principle of the common gate valve is that the valve core and the rotating rod for controlling the rotation of the valve core are matched and completed by a groove tenon and the like, the connection is not reliable, the valve core is easy to control, and particularly after the valve core is worn, water leakage and gas leakage can not be caused.
While the chinese patent with patent grant publication number "CN 207500521U" discloses "a whole body gate valve", which solves the above problems, the patent has some disadvantages, such as: the ball valve core in the valve body in the patent is provided with a latch, when the ball valve core is assembled, the latch is difficult to fix on the ball valve core, and when the ball valve core is seriously worn for a long time, the valve core is not convenient to replace, and because the tightness of the valve body is ensured, the whole valve body must be replaced, so that the maintenance cost is increased, and the waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a whole body gate valve is in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a whole gate valve comprises a valve body, a valve plate, a sliding block, a lifting screw rod, a shell and a manual shifting wheel, wherein the shell is vertically fixed at the central position of the upper end of the valve body, the shell comprises a first shell and a second shell, the first shell and the second shell are of a cylinder structure with a downward opening, the opening end of the second shell is sleeved at the top end of the first shell, the outer wall of the top end of the first shell is rotatably connected with the sliding block, a rack is arranged on the surface of the sliding block, a window is formed in the position of two side walls of the shell opposite to one side of the sliding block, a rotating shaft perpendicular to the top end of the first shell is fixed in the window through a bearing, the manual shifting wheel matched with the sliding block is fixed on the rotating shaft, a folding edge part is fixed at the opening end of the first shell, the first shell and the folding edge part are integrally formed, the lifting screw rod matched with the sliding block is sleeved in the sliding block, the bottom, the through-hole with valve plate looks adaptation is seted up to the valve body upper end, and through-hole inner wall cover be equipped with the sealing washer of valve plate looks adaptation, the sealing washer is "T" type structure, and the up end of sealing washer and the laminating of hem portion lower extreme terminal surface, hem portion and sealing washer pass through mounting one to be fixed on the lateral wall of valve body, the valve plate bottom is equipped with V type breach, and just the position department of valve plate is seted up to the bottom inner wall of valve body and is sealed the pad with the V type of valve plate looks adaptation, and V type inslot is fixed with the V type.
Preferably, the valve plate is in threaded connection with the lifting screw rod.
Preferably, the outer side wall of the bottom end of the sliding block is fixedly provided with a limiting clamping table parallel to the top end of the first shell, the bottom end of the limiting clamping table is radially provided with at least two first annular grooves, balls are uniformly distributed in each first annular groove, and the top end of the first shell is annularly provided with a second annular groove matched with the first annular groove.
Preferably, the upper end cover that the slider is located spacing ka tai is equipped with annular separation blade, the outer wall equidistant ring on a casing top is equipped with the gasket, annular separation blade passes through mounting two to be fixed on the gasket, and highly being greater than spacing ka tai of gasket highly is greater than highly.
Preferably, the side wall of the bottom end of the second shell is fixed on the outer side wall of the upper end of the first shell through a third fixing piece.
Preferably, the first fixing piece, the second fixing piece and the third fixing piece are all screws or bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses when using, through stirring manual thumb wheel, make manual thumb wheel drive the slider rotation in the rotation, and slider pivoted drives the lift lead screw oscilaltion simultaneously, and then make the valve plate reciprocate along casing one, fall into to V type inslot when the valve plate bottom, seal up through the extrusion V type, make the sealed environment of formation of valve plate bottom and V type, and form sealed environment between valve plate upper end and the sealing washer, therefore, have good leakproofness, and the valve plate is not fragile moreover, thereby its life has been prolonged.
(2) Because the first shell and the second shell are connected together through the third fixing piece, and the first shell is pressed on the sealing ring and is installed on the valve body through the first fixing piece, the internal parts of the valve body (the sealing ring, the V-shaped sealing gasket and the valve plate are convenient to replace) are convenient to replace during later maintenance, and because the valve plate is in threaded connection with the lifting screw rod, the valve plate is convenient to replace when the valve plate is abraded, so that the service life of the whole valve body is prolonged.
(3) The utility model discloses in slider bottom lateral wall is fixed with the spacing ka tai parallel with a casing top, and the external diameter of spacing ka tai is greater than the diameter of slider, and two at least ring channels one, every have radially been seted up along it to spacing ka tai bottom equal evenly distributed has the ball in the ring channel one, the top ring of casing one is equipped with the ring channel two with a ring channel looks adaptation, makes ring channel one and ring channel two constitute the annular orbit that supplies the ball motion, makes the sliding friction between spacing ka tai and the casing top become rolling friction, and then makes the slider reduce the frictional force between spacing ka tai and the casing top at the rotation in-process, improves the life of slider.
(4) The utility model discloses in the last pot head that the slider is located spacing ka tai is equipped with annular separation blade, the equidistant ring of outer wall on a casing top is equipped with the gasket, annular separation blade passes through mounting two to be fixed on the gasket, and the height of gasket is greater than spacing ka tai and is greater than the height, the height of the height ratio spacing ka tai of gasket is higher than 0.1-0.3mm, makes spacing ka tai and annular separation blade clearance fit, prevents that the lift lead screw from driving the valve plate and taking place the drunkenness on vertical to improve its reliability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of A in FIG. 1;
fig. 3 is a structural bottom view of the slider.
In the figure: 1. a valve body; 2. a valve plate; 3. a first shell; 4. a slider; 5. a lifting screw rod; 6. a second shell; 7. a hem part; 8. a seal ring; 9. a V-shaped sealing gasket; 10. a first fixing part; 11. a rotating shaft; 12. A manual thumb wheel; 13. a gasket; 14. a ball bearing; 15. a limiting clamping table; 16. an annular baffle plate; 17. a second fixing part; 18. and a third fixing part.
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.
Referring to fig. 1-3, the present invention provides an embodiment: a gate valve comprises a valve body 1, a valve plate 2, a sliding block 4, a lifting screw rod 5, a shell and a manual thumb wheel 12, wherein the shell is vertically fixed at the central position of the upper end of the valve body 1 and comprises a shell I3 and a shell II 6, the shell I3 and the shell II 6 are both of a cylinder structure with a downward opening, the open end of the shell II 6 is sleeved at the top end of the shell I3, the outer wall of the top end of the shell I3 is rotatably connected with the sliding block 4, a rack is arranged on the surface of the sliding block 4, a window is arranged at the position of the side wall of the shell II 6 opposite to one side of the sliding block 4, a rotating shaft 11 vertical to the top end of the shell I3 is fixed in the window through a bearing, the manual thumb wheel 12 matched with the sliding block 4 is fixed on the rotating shaft 11, a folding edge portion 7 is fixed at the open end of the shell I3, the shell I3 and the folding edge, the sealing effect in the valve body 1 is judged by whether water exists in the shell I3 or not, so that the problems can be found conveniently and timely and can be solved timely, the lifting screw rod 5 matched with the sliding block 4 is sleeved in the sliding block 4, the bottom end of the lifting screw rod 5 vertically extends into the first shell 3 and is fixed with a valve plate 2 matched with the first shell 3, the upper end of the valve body 1 is provided with a through hole matched with the valve plate 2, and the inner wall of the through hole is sleeved with a sealing ring 8 matched with the valve plate 2, the sealing ring 8 is of a T-shaped structure, the upper end surface of the sealing ring 8 is attached to the lower end surface of the folded edge part 7, the folded edge part 7 and the sealing ring 8 are fixed on the outer side wall of the valve body 1 through a first fixing part 10, the bottom end of the valve plate 2 is provided with a V-shaped notch, and the position of the inner wall of the bottom end of the valve body 1, which is opposite to the valve plate 2, is provided with a V-shaped groove matched with the valve plate 2, and a V-shaped sealing gasket 9 is fixed in the V-shaped groove.
In the embodiment, the valve plate 2 is in threaded connection with the lifting screw rod 5, so that the valve plate is convenient to disassemble and maintain.
In this embodiment, the outer side wall of the bottom end of the slider 4 is fixed with a limiting clamping table 15 parallel to the top end of the first shell 3, the outer diameter of the limiting clamping table 15 is larger than the diameter of the slider 4, at least two first annular grooves are radially formed in the bottom end of the limiting clamping table 15, balls 14 are uniformly distributed in the first annular grooves, the top end of the first shell 3 is annularly provided with a second annular groove matched with the first annular groove, the first annular groove and the second annular groove form an annular track for the balls 14 to move, friction between the limiting clamping table 15 and the top end of the first shell 3 is further reduced in the rotation process of the slider 4, and the service life of the slider 4 is prolonged.
In this embodiment, the last pot head that slider 4 is located spacing ka tai 15 is equipped with annular separation blade 16, the equidistant ring in outer wall on 3 tops of casing is equipped with gasket 13, annular separation blade 16 passes through two 17 of mounting to be fixed on gasket 13, and the height that highly is greater than spacing ka tai 15 of gasket 13 is greater than the height, the height of gasket 13 is higher than spacing ka tai 15 by 0.1-0.3mm, makes spacing ka tai 15 and the 16 clearance fit of annular separation blade, prevents that lift lead screw 5 from driving valve plate 2 and taking place the drunkenness on vertical.
In this embodiment, the side wall of the bottom end of the second housing 6 is fixed on the outer side wall of the upper end of the first housing 3 through a third fixing member 18, which is convenient for maintenance.
In this embodiment, the first fixing member 10, the second fixing member 17, and the third fixing member 18 are all screws or bolts, so that the housing is convenient to disassemble.
The working principle is as follows: when the valve is used, the manual thumb wheel 12 is pulled to drive the sliding block 4 to rotate while rotating, the sliding block 4 drives the lifting screw rod 5 to ascend and descend while rotating, the valve plate 2 moves up and down along the first shell 3, when the bottom end of the valve plate 2 falls into the V-shaped groove, the V-shaped sealing gasket 9 is extruded to form a sealing environment between the bottom of the valve plate 2 and the V-shaped sealing gasket 9, and a sealing environment is formed between the upper end of the valve plate 2 and the sealing ring 8, so that the valve has good sealing performance, the valve plate 2 is not easy to damage, the service life of the valve is prolonged, the first shell 3 and the second shell 6 are connected together through the third fixing piece 18, the first shell 3 is pressed on the sealing ring 8 and is installed on the valve body 1 through the first fixing piece 10, and therefore, when later maintenance is carried out, internal parts of the valve body 1 (the sealing ring, V-shaped sealing gasket 9 and valve plate 2), because valve plate 2 and 5 threaded connection of lift lead screw, consequently, when valve plate 2 wearing and tearing, conveniently change valve plate 2 to improve the life of whole valve body 1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a whole body gate valve, includes valve body (1), valve plate (2), slider (4), lift lead screw (5), casing and manual thumb wheel (12), its characterized in that: the valve body (1) is characterized in that a shell is vertically fixed at the central position of the upper end of the valve body (1), the shell comprises a first shell (3) and a second shell (6), the first shell (3) and the second shell (6) are of a barrel structure with a downward opening, the open end of the second shell (6) is sleeved at the top end of the first shell (3), the outer wall of the top end of the first shell (3) is rotatably connected with a sliding block (4), a rack is arranged on the surface of the sliding block (4), a window is formed in the position of one side of the sliding block (4) opposite to the side wall of the second shell (6), a rotating shaft (11) which is perpendicular to the top end of the first shell (3) is fixed in the window through a bearing, a manual shifting wheel (12) which is matched with the sliding block (4) is fixed on the rotating shaft (11), a flanging part (7) is fixed at the open end of the first shell (, a lifting screw rod (5) matched with the sliding block (4) is sleeved in the sliding block (4), the bottom end of the lifting screw rod (5) vertically extends into the shell I (3) and is fixedly provided with a valve plate (2) matched with the shell I (3), the upper end of the valve body (1) is provided with a through hole matched with the valve plate (2), and the inner wall of the through hole is sleeved with a sealing ring (8) matched with the valve plate (2), the sealing ring (8) is of a T-shaped structure, the upper end surface of the sealing ring (8) is attached to the lower end surface of the flange part (7), the flange part (7) and the sealing ring (8) are fixed on the outer side wall of the valve body (1) through a fixing part I (10), a V-shaped notch is formed in the bottom end of the valve plate (2), and the position of the inner wall of the bottom end of the valve body (1) facing the valve plate (2) is provided with a V-shaped groove matched with the valve plate (2), and a V-shaped sealing gasket (9) is fixed in the V-shaped groove.
2. The gate valve of claim 1, wherein: the valve plate (2) is in threaded connection with the lifting screw rod (5).
3. The gate valve of claim 1, wherein: the limiting clamping table (15) parallel to the top end of the first shell (3) is fixed on the outer side wall of the bottom end of the sliding block (4), at least two first annular grooves are radially formed in the bottom end of the limiting clamping table (15), balls (14) are uniformly distributed in each first annular groove, and a second annular groove matched with the first annular groove is annularly formed in the top end of the first shell (3).
4. The gate valve of claim 1, wherein: the upper end cover that slider (4) are located spacing ka tai (15) is equipped with annular separation blade (16), the equidistant ring of outer wall on casing (3) top is equipped with gasket (13), annular separation blade (16) are fixed on gasket (13) through mounting two (17), and the height that highly is greater than spacing ka tai (15) of gasket (13) is greater than highly.
5. The gate valve of claim 1, wherein: and the side wall of the bottom end of the second shell (6) is fixed on the outer side wall of the upper end of the first shell (3) through a third fixing piece (18).
6. A gate valve according to claim 1 or 5, wherein: the first fixing piece (10), the second fixing piece (17) and the third fixing piece (18) are all screws or bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922126183.2U CN210949955U (en) | 2019-12-02 | 2019-12-02 | Whole body gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922126183.2U CN210949955U (en) | 2019-12-02 | 2019-12-02 | Whole body gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949955U true CN210949955U (en) | 2020-07-07 |
Family
ID=71373017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922126183.2U Active CN210949955U (en) | 2019-12-02 | 2019-12-02 | Whole body gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833202A (en) * | 2021-01-26 | 2021-05-25 | 江苏苏盐阀门机械有限公司 | Anti-impact flat valve |
| CN113090777A (en) * | 2021-03-31 | 2021-07-09 | 合肥长安汽车有限公司 | Active type exhaust pressure relief valve |
-
2019
- 2019-12-02 CN CN201922126183.2U patent/CN210949955U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833202A (en) * | 2021-01-26 | 2021-05-25 | 江苏苏盐阀门机械有限公司 | Anti-impact flat valve |
| CN112833202B (en) * | 2021-01-26 | 2021-09-28 | 江苏苏盐阀门机械有限公司 | Anti-impact flat valve |
| CN113090777A (en) * | 2021-03-31 | 2021-07-09 | 合肥长安汽车有限公司 | Active type exhaust pressure relief valve |
| CN113090777B (en) * | 2021-03-31 | 2024-02-06 | 合肥长安汽车有限公司 | Active type exhaust pressure relief valve |
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