CN113399212A - Glue injection check valve for end cover of generator - Google Patents
Glue injection check valve for end cover of generator Download PDFInfo
- Publication number
- CN113399212A CN113399212A CN202110665606.7A CN202110665606A CN113399212A CN 113399212 A CN113399212 A CN 113399212A CN 202110665606 A CN202110665606 A CN 202110665606A CN 113399212 A CN113399212 A CN 113399212A
- Authority
- CN
- China
- Prior art keywords
- connector
- glue injection
- end cover
- baffle
- check valve
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1026—Valves
Landscapes
- Nozzles (AREA)
Abstract
The invention belongs to the technical field of glue injection devices, and particularly relates to a glue injection check valve for an end cover of a generator, which comprises a connector I, a connector II, a baffle and a spring, wherein the connector I is connected with the connector II through a bolt; a glue injection channel is arranged in the connector I, one end of the connector I is connected with a glue injection gun, and the other end of the connector I is arranged in one end of the connector II; the baffle is arranged inside the other end of the connector I; a glue injection channel is arranged in the connector II and is connected with an engine end cover; the baffle with connector II between be equipped with the spring, the spring be located injecting glue passageway place direction, and exert pressure to the direction of baffle. The problem that hydrogen can leak from the injecting glue mouth fast among the prior art has effectively been solved to this device, greatly reduced the great industry safety risk of hydrogen explosion and equipment damage risk.
Description
Technical Field
The invention belongs to the technical field of glue injection devices, and particularly relates to a glue injection check valve for an end cover of a generator.
Background
At present, a stator core and a rotor of a large-scale generator are cooled by using hydrogen, a generator end cover is an important hydrogen sealing boundary, a glue groove is formed in the generator end cover, the glue groove is filled through glue injection from a glue injection port to realize hydrogen sealing, the glue injection quality directly influences the tightness of the hydrogen boundary of a generator body, and if the hydrogen leakage defect of the generator end cover occurs during the operation of a unit, online glue injection needs to be performed at the position of the glue injection port of the generator.
In the existing stage, during online glue injection, a plug needs to be detached from a glue injection port of the end cover of the generator, a glue injection gun is connected with the glue injection port of the end cover, and glue is injected into the end cover of the generator, but the method has the following problems:
1. when the plug of the end cover of the generator is removed, the interior of the generator is large, hydrogen can be rapidly leaked from the glue injection port, and the great industrial safety risk of hydrogen explosion exists;
2. the inner part of the glue injection port of the end cover is of a pipe thread structure, and more sealant exists, so that when a glue injection gun is connected to the glue injection port of the end cover, the glue injection gun is easy to be deflected upwards, and the pipe thread is damaged;
3. after the glue injection is finished, the glue injection gun is disassembled, and the sealant can continuously overflow from the glue injection port due to the fact that the pressure of the sealant in the end cover is large, and the plug is difficult to reinstall.
Disclosure of Invention
The invention aims to provide a generator end cover glue injection check valve which can improve glue injection reliability and improve equipment safety.
The technical scheme of the invention is as follows:
a generator end cover glue injection check valve comprises a connector I, a connector II, a baffle and a spring; a glue injection channel is arranged in the connector I, one end of the connector I is connected with a glue injection gun, and the other end of the connector I is arranged in one end of the connector II; the baffle is arranged inside the other end of the connector I; a glue injection channel is arranged in the connector II and is connected with an engine end cover; the baffle with connector II between be equipped with the spring, the spring be located injecting glue passageway place direction, and exert pressure to the direction of baffle.
One end of the connector I is processed into a hollow screw rod with internal threads, the middle part of the connector I is processed into a hexagonal nut, the other end of the connector I is processed with a quick connector, through holes are processed in the hexagonal nut and the quick connector to be used as a part of an adhesive injection channel, and the through holes are coaxial and communicated with the inside of the screw rod;
connector II one end processing become the cylinder screw rod that has the external screw thread, this end is connected with the engine end cover, other end processing through-hole, it is the same with cylinder screw rod is inside, constitutes the inside injecting glue passageway of connector II.
The other end of the connector II is processed into a conical hexagonal nut with an internal thread on the outer surface part, the conical hexagonal nut is internally provided with a conical surface, namely the connector II is internally communicated, a smooth through hole is processed in the cylindrical screw, and the smooth conical through hole and the internal thread hole in the conical hexagonal nut are communicated to form a part of the glue injection channel.
And a spring is arranged between the conical surface of the conical hexagonal nut and the baffle.
The baffle blocks the glue injection channel of the connector I.
One side of the baffle is a panel, the other side of the baffle is a hollow screw with a groove, and a groove is processed on the hollow screw with the groove.
And a spring is arranged between the conical surface of the conical hexagonal nut and the screw rod with the groove.
And a dustproof bolt is arranged in the quick joint.
The connector I is made of copper material, and the connector II is made of copper material.
Quick-operation joint be connected with the injecting glue rifle, connector II be connected with generator end cover injecting glue mouth, when the injecting glue to generator end cover injecting glue, at first demolish the colloid with dustproof bolt and flow in from the injecting glue passageway in the quick-operation joint, when injecting glue rifle head pressure is greater than generator check valve internal pressure, baffle and spring remove to connector II direction, the injecting glue passageway between two joints is opened, after the injecting glue work finishes, injecting glue rifle head pressure release, baffle and spring antiport, shutoff injecting glue passageway.
The invention has the following remarkable effects:
1. by the baffle structure and the mechanical sealing principle, the problem that hydrogen can be rapidly leaked from the glue injection port in the prior art is effectively solved, and the major industrial safety risk of hydrogen explosion and the equipment damage risk are greatly reduced;
2. through the quick joint structure, the glue injection gun can be quickly disassembled and assembled under the condition that the check valve is not disassembled, so that the glue injection efficiency is improved;
3. through the two connectors, the rapid leakage of hydrogen from the glue injection port and the risk of damage to the pipe thread inside the glue injection port are effectively avoided;
4. the spring realizes mechanical sealing of the glue injection channels of the two connectors, and glue injection and sealing effects can be achieved without manually opening and closing the valve.
Drawings
FIG. 1 is a schematic diagram of assembly of components of a generator end cover glue injection check valve;
FIG. 2 is a schematic diagram of a generator end cover glue injection check valve;
in the figure: 1. a connector I; 2. a baffle plate; 3. a spring; 4. a connector II; 5. a dust-proof bolt;
1-1. a screw; 1-2, hexagonal nut; 1-3, a quick joint; 1-4. through holes;
2-1. a panel; 2-2. a screw with a groove;
4-1, a cylindrical screw; 4-2. a conical hexagonal nut.
Detailed Description
The invention is further illustrated by the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the glue injection check valve for the end cover of the generator comprises a connector I1, a baffle 2, a spring 3, a connector II4 and a dustproof bolt 5.
The basic implementation mode is as follows:
comprises a connector I1, a connector II4, a baffle 2 and a spring 3;
a glue injection channel is processed in the connector I1, one end of the connector I1 is connected with a glue injection gun, and the other end of the connector I1 is arranged in one end of the connector II 4;
the baffle 2 is arranged inside the other end of the connector I1; a glue injection channel is processed in the connector II4 and is connected with an engine end cover;
The connector I1 is made of copper material, which is softer than steel material and is not easy to generate spark.
One end of the connector I1 is processed into a hollow screw 1-1 with internal threads, the middle part is processed into a hexagon nut 1-2, and the other end is processed with a quick connector 1-3;
through holes 1-4 are machined in the hexagonal nuts 1-2 and the quick connectors 1-3 to serve as a part of the glue injection channel, and the through holes 1-4 are coaxial and communicated with the inner portion of the screw rods 1-1.
One end of the connector II4 is processed into a cylindrical screw rod 4-1 with external threads, and the other end is processed into a conical hexagonal nut 4-2 with a conical outer surface part and an internal thread on the inner wall;
the conical hexagonal nut 4-2 is internally provided with a conical surface, namely the connector II4 is internally communicated, and a smooth through hole is processed in the cylindrical screw 4-1 and is communicated with a smooth conical surface hole and an internal thread hole in the conical hexagonal nut 4-2 to form a part of the glue injection channel.
The connector II4 is made of copper material, and the cylindrical screw 4-1 is matched with the end cover of the generator;
one side of the baffle plate 2 is a panel 2-1, the other side is a hollow screw 2-2 with a groove, a groove is processed on the hollow screw 2-2, and the whole baffle plate 2 is externally threaded, so that the baffle plate is installed inside the screw 1-1 with the internal thread of the connector I1 through threaded connection. The groove structure can ensure that the glue injection channel is smooth after the two parts of joints are communicated, and the sealant is prevented from overflowing.
A spring 3 is arranged between the smooth conical surface of the conical hexagonal nut 4-2 and the grooved screw 2-2.
One side of the connector I1 is provided with a screw connected with the internal thread of the connector II 4;
the other side is a quick connector 1-3 matched with the glue injection gun connector.
The connector I1 mid portion design has hexagon nut to be convenient for the dismouting, and inside division has the through-hole to form partial injecting glue passageway.
When glue is not injected, the dustproof bolts 5 can be installed in the glue injection channels of the quick connectors 1-3 through threaded connection.
One side and the connector I1 screw rod side of baffle 2 match, can block connector I1's injecting glue passageway, and spring 3 installs in the recess of baffle 2, can keep the pressure of baffle 2 to keep invariable, and 2 mid portions of baffle are slotted simultaneously, can guarantee that the injecting glue passageway is unobstructed, also can prevent sealed glue simultaneously and spill over.
The connector II4 is made of copper, the screw thread on the side of the screw is a pipe thread, and is connected with the glue injection port of the end cover of the generator; the other side is provided with internal threads which are connected with a connector I1. The end of the connector II4 is designed into a hexagon nut, so that the connector II4 is convenient to disassemble and assemble, and a through hole is formed inside the connector II4 to form a glue injection channel.
When the device is installed,
firstly, a spring is arranged in a baffle plate 2, and then the baffle plate 2 is arranged in one end of a connector I1 in a threaded manner;
then the connector I1 with the baffle 2 installed is installed at the hexagon nut end of the connector II4, so that the spring 3 and the baffle 2 are assembled inside the connector I1 and the connector II4, the glue injection opening is blocked at constant pressure, and then the dustproof bolt 5 is installed.
The cylindrical screw 4-1 of the connector II4 is connected with a glue injection port of the end cover of the generator;
when glue is injected into the end cover of the generator, firstly, the dustproof bolt 5 is detached, the glue injection gun joint is connected with the quick joint 1-3 of the connector I1, and glue flows into the glue injection channel in the quick joint 1-3;
when the pressure of the gun head of the glue injection gun is larger than the internal pressure of the generator check valve, the pressure pushes the baffle 2 and the spring 3 to move backwards (in the direction of the connector II 4), the panel 2-1 of the baffle 2 is separated from the end part of the through hole 1-4, the glue injection channel between the two connectors is opened, and glue can be injected into the end cover of the generator continuously.
After the glue injection work is finished, the pressure of the gun head of the glue injection gun is released, the baffle 2 and the spring 3 move forwards to block the glue injection channel, and the mechanical sealing performance of the generator end cover check valve is guaranteed.
Claims (10)
1. The utility model provides a generator end cover injecting glue check valve which characterized in that: comprises a connector I (1), a connector II (4), a baffle (2) and a spring (3); a glue injection channel is arranged in the connector I (1), one end of the connector I (1) is connected with a glue injection gun, and the other end of the connector I (1) is arranged in one end of the connector II (4); the baffle (2) is arranged inside the other end of the connector I (1); a glue injection channel is arranged in the connector II (4) and is connected with an engine end cover; baffle (2) with connector II (4) between be equipped with spring (3), spring (3) be located the injecting glue passageway place orientation, and exert pressure to the direction of baffle (2).
2. The generator end cover glue injection check valve as claimed in claim 1, characterized in that: one end of the connector I (1) is processed into a hollow screw rod (1-1) with an internal thread, the middle part of the connector I is processed into a hexagonal nut (1-2), the other end of the connector I is processed with a quick connector (1-3), through holes (1-4) are processed inside the hexagonal nut (1-2) and the quick connector (1-3) and are used as a part of a glue injection channel, and the through holes (1-4) are coaxial and communicated with the inside of the screw rod (1-1);
one end of the connector II (4) is processed into a cylindrical screw rod (4-1) with an external thread, the end is connected with an engine end cover, the other end of the connector II (4) is processed into a through hole, and the through hole is the same as the inside of the cylindrical screw rod (4-1) to form a glue injection channel inside the connector II (4).
3. The generator end cover glue injection check valve as claimed in claim 1, characterized in that: the other end of the connector II (4) is processed into a conical hexagon nut (4-2) with a conical outer surface part and an internal thread on the inner wall, a conical surface is arranged inside the conical hexagon nut (4-2), namely the connector II (4) is internally communicated, a smooth through hole is processed in the cylindrical screw rod (4-1) and is communicated with a smooth conical surface hole and an internal thread hole in the conical hexagon nut (4-2) to form a part of the glue injection channel.
4. The generator end cover glue injection check valve as claimed in claim 3, characterized in that: and a spring (3) is arranged between the conical surface of the conical hexagonal nut (4-2) and the baffle plate (2).
5. The generator end cover glue injection check valve as claimed in claim 4, characterized in that: the baffle (2) blocks the glue injection channel of the connector I (1).
6. The generator end cover glue injection check valve as claimed in claim 5, characterized in that: one side of the baffle 2 is a panel (2-1), and the other side is a hollow screw rod (2-2) with a groove, and a groove is processed on the hollow screw rod.
7. The generator end cover glue injection check valve as claimed in claim 6, characterized in that: and a spring (3) is arranged between the conical surface of the conical hexagonal nut (4-2) and the screw rod (2-2) with the groove.
8. The generator end cover glue injection check valve as claimed in claim 2, characterized in that: and a dustproof bolt (5) is arranged in the quick joint (1-3).
9. The generator end cover glue injection check valve as claimed in claim 8, characterized in that: the connector I (1) is made of copper material, and the connector II (4) is made of copper material.
10. The generator end cover glue injection check valve as claimed in claim 8, characterized in that: the quick connector (1-3) is connected with a glue injection gun, the connector II (4) is connected with a glue injection port of a generator end cover, when glue is injected to the generator end cover, the dust-proof bolt (5) is firstly detached, glue flows into a glue injection channel in the quick connector (1-3), when the pressure of a gun head of the glue injection gun is greater than the internal pressure of a check valve of the generator, the baffle (2) and the spring (3) move towards the direction of the connector II (4), the glue injection channel between the two connectors is opened, after the glue injection work is finished, the pressure of the gun head of the glue injection gun is released, the baffle (2) and the spring (3) move reversely, and the glue injection channel is blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665606.7A CN113399212A (en) | 2021-06-16 | 2021-06-16 | Glue injection check valve for end cover of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665606.7A CN113399212A (en) | 2021-06-16 | 2021-06-16 | Glue injection check valve for end cover of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113399212A true CN113399212A (en) | 2021-09-17 |
Family
ID=77684330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110665606.7A Pending CN113399212A (en) | 2021-06-16 | 2021-06-16 | Glue injection check valve for end cover of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113399212A (en) |
-
2021
- 2021-06-16 CN CN202110665606.7A patent/CN113399212A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104421568A (en) | T-shaped double-seal leakage stopping clamp for pipeline and processing method | |
| CN104976434A (en) | Underwater vehicle cable penetrating pressure-proof shell leakage sealing and resealing device | |
| CN203585706U (en) | T-shaped dual-seal pipeline leaking stoppage clamp | |
| CN215843971U (en) | Glue injection check valve for end cover of generator | |
| CN113399212A (en) | Glue injection check valve for end cover of generator | |
| CN204114383U (en) | A kind of cone seal pipe joint | |
| CN207717525U (en) | A kind of water pressure test assembly tooling of no flange soft material valve body | |
| CN210859795U (en) | Split overflow valve hole plug sealed by conical surface | |
| CN104154357A (en) | Combined sealing pipe connector and using method thereof | |
| CN213871607U (en) | Blind-mating fluid connector | |
| CN207634966U (en) | A kind of multiple bearing refueling device | |
| CN110987310B (en) | A gas tightness detects anchor clamps for long tube assembly | |
| CN107933244B (en) | Pressure maintaining integrated device of vehicle air conditioning system | |
| CN209280212U (en) | Diesel engine pipeline asymmetric apertures pump leakage test auxiliary tool | |
| CN111828435A (en) | Vacuum exhaust valve reaches cubic apparatus press including it | |
| CN202302397U (en) | High-pressure oil pipe reinforcing clamping tool | |
| CN205703210U (en) | A kind of device for installing plunger displacement pump | |
| CN208468255U (en) | A kind of fast assembling-disassembling electric-controlled fuel injector device | |
| CN204678025U (en) | A kind of slotting tub butter filler and off-load exhaust oil return mechanism thereof | |
| CN202718727U (en) | Diesel engine push rod sealing structure | |
| CN217502961U (en) | Precise connecting flange | |
| CN203405312U (en) | Airtight test tool for injection machine solid plate casting | |
| CN204153250U (en) | A kind of auto-compensation needle-valve | |
| CN219432565U (en) | Anti-disengaging valve seat for oilfield exploitation | |
| CN115854162B (en) | Hydraulic locking tool flange and application method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |