CN206738666U - Rear-loading type gate valve - Google Patents
Rear-loading type gate valve Download PDFInfo
- Publication number
- CN206738666U CN206738666U CN201720558149.0U CN201720558149U CN206738666U CN 206738666 U CN206738666 U CN 206738666U CN 201720558149 U CN201720558149 U CN 201720558149U CN 206738666 U CN206738666 U CN 206738666U
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- CN
- China
- Prior art keywords
- gate valve
- cavity
- flashboard
- pipe
- valve shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model provides rear-loading type gate valve, including Gate Valve Shell, the bottom connection charging mouth of pipe and the discharging mouth of pipe of the Gate Valve Shell, flashboard is provided between the charging mouth of pipe and the discharging mouth of pipe, the top of the flashboard is connected with drive link, the bottom of the drive link and the junction of the flashboard are provided with transmission nut, the thickness of the flashboard is less than the thickness of the Gate Valve Shell, the drive link and flashboard are arranged in the Gate Valve Shell, the top attended operation mechanism of the drive link, the operating mechanism exposes to the Gate Valve Shell, the diameter of the flashboard is more than the external diameter of the charging mouth of pipe.The utility model proposes rear-loading type gate valve, drive link can not only control the Push And Release of flashboard, and the liter and drop of flashboard can be controlled, the bottom of Gate Valve Shell is provided with clean-up port, above-mentioned setting, in order to the cleaning of flashboard, can be advantageous to improve the service life of gate valve, and its security performance is strong, degree of protection is high, and convenient disassembly.
Description
Technical Field
The utility model relates to a valve member, concretely relates to after-loading gate valve.
Background
The gate valve is the most important valve at present, and is widely used for the circulation and the stop of media such as liquid, gas, dust and the like, the lower part of the gate valve generally comprises a discharge port and a feed port, a sealing surface is arranged between the discharge port and the feed port, the sealing surface is a gate plate, the upper part of the gate plate is connected with a valve rod, the upper part of the valve rod is connected with a handle, and through the rotation of the handle, a screw and nut mechanism drives the valve rod to move up and down, so that the gate plate is sealed or opened, and finally. With the development of gate valve technology, in order to maintain better sealing, some gate plates are manufactured into inclined planes, and some gate plates are improved in structure. However, even with the above-described improvements, there are disadvantages as follows: 1. the sealing ring on the gate valve is easy to corrode, the replacement is inconvenient due to the position relation, 2, the gate valve is easy to wear, 3, the inclined plane manufacturing process is complex, a casting leakage position and defective products are easy to occur in the one-time casting process, and the structure is poor in protection grade and short in service life.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide back-loading gate valve, overcome above-mentioned defect, through making a new-type back-loading gate valve structure, solve the problem that the preparation technology is complicated, perishable, protection grade difference, manufacturing and cost of maintenance height etc..
In order to solve the technical problem, the utility model provides a back-loading gate valve, including the gate valve shell, the sub-unit connection feeding mouth of pipe and the ejection of compact mouth of pipe of gate valve shell, be equipped with the flashboard between feeding mouth of pipe and the ejection of compact mouth of pipe, the upper portion of flashboard is connected with the transfer line, the lower part of transfer line with the junction of flashboard is equipped with drive nut, the flashboard thickness is less than the thickness of gate valve shell, transfer line and flashboard set up in the gate valve shell, operating device is connected on the top of transfer line, operating device expose in the gate valve shell, the diameter of flashboard is greater than feeding orificial external diameter.
As an optimal scheme of back-loading gate valve, the bottom of gate valve shell with be equipped with first cavity between the bottom of flashboard, the upper portion of gate valve shell is for being used for holding the second cavity of transfer line, the middle part of gate valve shell is the third cavity, the third cavity is in the feeding mouth of pipe with between the ejection of compact mouth of pipe, the thickness of first cavity equals the thickness of second cavity, the thickness of first cavity is greater than the thickness of third cavity, first cavity, second cavity and third cavity intercommunication.
As an optimal solution of back-loading gate valve, be equipped with a plurality of gyro wheels in the third cavity, the gyro wheel is located the flashboard with between the gate valve shell, the gyro wheel is fixed in on the inside wall of gate valve shell.
As a preferable aspect of the rear loading gate valve of the present invention, the height of the second cavity is larger than the diameter of the gate plate.
As an optimal solution of back-loading gate valve, be equipped with water inlet and delivery port on the lateral wall of second cavity, the water inlet is close to operating device, the delivery port is close to the ejection of compact mouth of pipe.
As the utility model discloses a preferred scheme of back-loading gate valve, the junction of second cavity and third cavity is equipped with movable partition.
As an optimal scheme of back-loading gate valve, the bottom of first cavity is equipped with the clearance mouth, clearance mouth upper cover is equipped with sealed lid.
As an optimal scheme of back-loading gate valve, the feeding mouth of pipe with be equipped with the sealing washer between the flashboard, the diameter of sealing washer equals the orificial external diameter of feeding.
As the utility model discloses a preferred scheme of back-loading gate valve, the orificial central line of feeding with the orificial central line of ejection of compact is on same straight line.
As an optimal scheme of back-loading gate valve, the outer wall of the orificial outer wall of feeding, the orificial outer wall of ejection of compact and the outer wall of gate valve shell all are equipped with flange.
Compared with the prior art, the utility model provides a back-loading gate valve, transfer line not only can control the opening and closing of flashboard, can control the rise and fall of flashboard moreover, and the bottom of gate valve shell is equipped with the clearance mouth, and the clearance of flashboard all can be convenient for in the aforesaid setting is favorable to improving the life of gate valve, and its security performance is strong, and protection level is high, dismantles the convenience moreover.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein,
fig. 1 is a front view structural schematic diagram of the rear loading gate valve of the present invention;
fig. 2 is a schematic side view of the rear-loading gate valve of the present invention.
Wherein: the gate valve comprises a gate valve shell 1, a feeding pipe orifice 2, a discharging pipe orifice 3, a gate plate 4, a transmission rod 5, a transmission nut 6, an operating mechanism 7, a first cavity 8, a second cavity 9, a third cavity 10, a roller 11, a sealing ring 12 and a connecting flange 13.
Detailed Description
Back-loading gate valve, it includes: the gate valve shell 1, the feed pipe mouth 2 and the discharge pipe mouth 3 are connected to the lower part of gate valve shell 1, are equipped with flashboard 4 between feed pipe mouth 2 and the discharge pipe mouth 3, and the upper portion of flashboard 4 is connected with transfer line 5.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the following embodiments.
First, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Secondly, the utility model discloses utilize the structure schematic diagram etc. to describe in detail, when detailing the embodiment of the utility model, for the convenience of explanation, the schematic diagram that shows back-loading gate valve structure can not do local enlargement according to general proportion, moreover the schematic diagram is the example, and it should not limit the scope of the protection of the utility model here. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.
Example one
Referring to fig. 1 and 2, fig. 1 is a schematic front view of a rear-loading gate valve according to the present invention; fig. 2 is a schematic side view of the rear-loading gate valve of the present invention. As shown in fig. 1 and 2, the rear-loading gate valve comprises a gate valve housing 1 which is of a hollow structure and is used for accommodating a transmission rod 5 and a gate plate 4, wherein the lower part of the gate valve housing 1 is connected with a feeding pipe opening 2 and a discharging pipe opening 3, the feeding pipe opening 2 and the discharging pipe opening 3 are perpendicular to the gate valve housing 1, the gate plate 4 is arranged between the feeding pipe opening 2 and the discharging pipe opening 3, the upper end of the transmission rod 5 is connected with an operating mechanism 7, the lower end of the transmission rod 5 is connected with the gate plate 4, a transmission nut 6 is arranged at the joint of the lower part of the transmission rod 5 and the gate plate 4. The operating mechanism 7 is rotated, and the transmission rod 5 drives the shutter 4 to open or close.
Not only as above, the transfer line 5 drives the angular variation of flashboard 4 on same horizontal position, and transfer line 5 still drives the change of flashboard 4 in the displacement from top to bottom, the thickness of flashboard 4 is less than the thickness of gate valve shell 1, transfer line 5 and flashboard 4 set up in gate valve shell 1, be equipped with first cavity 8 between the bottom of gate valve shell 1 and the bottom of flashboard 4, the upper portion of gate valve shell 1 is the second cavity 9 that is used for holding transfer line 5, the middle part of gate valve shell 1 is third cavity 10, third cavity 10 is between feeding pipe mouth 2 and discharging pipe mouth 3, the thickness of first cavity 8 equals the thickness of second cavity 10, the thickness of first cavity 8 is greater than the thickness of third cavity 10, first cavity 8, second cavity 9 and third cavity 10 communicate. The height of the second cavity 10 is greater than the diameter of said shutter 4. A water inlet (not shown) and a water outlet (not shown) are arranged on the side wall of the second cavity 9, the water inlet is close to the operating mechanism 7, and the water outlet is close to the discharge pipe opening 3. A movable partition plate (not shown) is arranged at the joint of the second cavity 9 and the third cavity 10. Flashboard 4 can be when there is not the fluid in feedstock pipe mouth 2 and discharging pipe mouth 3, perhaps when having the fluid to open comprehensively, rise to in the second cavity 9, then close movable partition, flow into lotion from the water inlet, wash the residue on flashboard 4, then flow out by the delivery port again, reach abluent purpose, reduce flashboard 4's degree of corrosion, then open movable partition again, put into third cavity 10 with flashboard 4.
Similarly, since there is a possibility that impurities are accumulated below the gate plate 4 and the service life of the gate valve is impaired, a cleaning port (not shown) is provided at the bottom of the first cavity 8, and a seal cover (not shown) is provided on the cleaning port. This sealing cover is closed when there is fluid in the inlet and outlet spouts 2, 3 and can be opened to clean the residue in the first cavity 8 when there is no fluid in the inlet and outlet spouts 2, 3.
Sealing washer 12 is laminated in feed pipe mouth 2, and the diameter of sealing washer 12 equals feed pipe mouth 2's external diameter, and when feed pipe mouth 2 was closed to flashboard 4, sealing washer 12 was between flashboard 4 and feed pipe mouth 2, so, this sealed lid can also regard as an access hole that is used for replacing sealing washer 12 or flashboard 4.
In order to facilitate the movement of the shutter 4, a plurality of rollers 9 are disposed in the third cavity 10, the rollers 9 are located between the shutter 4 and the gate valve housing 1, and the rollers 9 are fixed on the inner side wall of the gate valve housing 1.
The central line of the feeding pipe orifice 2 and the central line of the discharging pipe orifice 3 are on the same straight line. The outer wall of the feeding pipe orifice 2, the outer wall of the discharging pipe orifice 3 and the outer wall of the gate valve shell 1 are provided with connecting flanges. Like this, this back-loading gate valve can install on multiple equipment pipeline, and the straight structure of feeding pipe mouth 2 and discharging pipe mouth 3 for its commonality is stronger, and it is more convenient to make this kind of gate valve, is more convenient for the clearance moreover.
The components of the above-described afterloading gate valve include, but are not limited to, the above-mentioned species.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. An after-loading gate valve is characterized in that: including the gate valve shell, the sub-unit connection feeding mouth of pipe and the ejection of compact mouth of pipe of gate valve shell, be equipped with the flashboard between feeding mouth of pipe and the ejection of compact mouth of pipe, the upper portion of flashboard is connected with the transfer line, the lower part of transfer line with the junction of flashboard is equipped with drive nut, the thickness of flashboard is less than the thickness of gate valve shell, transfer line and flashboard set up in the gate valve shell, operating device is connected on the top of transfer line, operating device expose in the gate valve shell, the diameter of flashboard is greater than the orificial external diameter of feeding.
2. The afterloading gate valve of claim 1, wherein: the bottom of gate valve shell with be equipped with first cavity between the bottom of flashboard, the upper portion of gate valve shell is for being used for holding the second cavity of transfer line, the middle part of gate valve shell is the third cavity, the third cavity is in the feeding mouth of pipe with between the ejection of compact mouth of pipe, the thickness of first cavity equals the thickness of second cavity, the thickness of first cavity is greater than the thickness of third cavity, first cavity, second cavity and third cavity intercommunication.
3. The afterloading gate valve of claim 2, wherein: be equipped with a plurality of gyro wheels in the third cavity, the gyro wheel is located the flashboard with between the gate valve shell, the gyro wheel is fixed in on the inside wall of gate valve shell.
4. The afterloading gate valve of claim 2, wherein: the height of the second cavity is greater than the diameter of the shutter.
5. The afterloading gate valve of claim 4, wherein: and a water inlet and a water outlet are arranged on the side wall of the second cavity, the water inlet is close to the operating mechanism, and the water outlet is close to the discharge pipe orifice.
6. The afterloading gate valve of claim 5, wherein: and a movable partition plate is arranged at the joint of the second cavity and the third cavity.
7. The afterloading gate valve of claim 2, wherein: the bottom of first cavity is equipped with the clearance mouth, clearance mouth upper cover is equipped with sealed lid.
8. The afterloading gate valve of claim 1, wherein: the feeding pipe opening and the flashboard are provided with a sealing ring, and the diameter of the sealing ring is equal to the outer diameter of the feeding pipe opening.
9. The afterloading gate valve of claim 1, wherein: the central line of the feeding pipe opening and the central line of the discharging pipe opening are on the same straight line.
10. The afterloading gate valve of claim 1, wherein: and the outer wall of the feeding pipe opening, the outer wall of the discharging pipe opening and the outer wall of the gate valve shell are provided with connecting flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558149.0U CN206738666U (en) | 2017-05-19 | 2017-05-19 | Rear-loading type gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558149.0U CN206738666U (en) | 2017-05-19 | 2017-05-19 | Rear-loading type gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738666U true CN206738666U (en) | 2017-12-12 |
Family
ID=60566570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720558149.0U Expired - Fee Related CN206738666U (en) | 2017-05-19 | 2017-05-19 | Rear-loading type gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434411A (en) * | 2022-09-01 | 2022-12-06 | 长沙市规划设计院有限责任公司 | Environment-friendly regulation pond flushing device |
-
2017
- 2017-05-19 CN CN201720558149.0U patent/CN206738666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434411A (en) * | 2022-09-01 | 2022-12-06 | 长沙市规划设计院有限责任公司 | Environment-friendly regulation pond flushing device |
| CN115434411B (en) * | 2022-09-01 | 2024-05-14 | 长沙市规划设计院有限责任公司 | Environment-friendly type flushing equipment for regulating and storing tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |