CN210154749U - Clamp for steel pipe sealing test - Google Patents

Clamp for steel pipe sealing test Download PDF

Info

Publication number
CN210154749U
CN210154749U CN201921310082.4U CN201921310082U CN210154749U CN 210154749 U CN210154749 U CN 210154749U CN 201921310082 U CN201921310082 U CN 201921310082U CN 210154749 U CN210154749 U CN 210154749U
Authority
CN
China
Prior art keywords
steel pipe
sealing head
air cylinder
cylinder
blind hole
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.)
Active
Application number
CN201921310082.4U
Other languages
Chinese (zh)
Inventor
肖波
高仕铭
陶航
张棣
吴俊�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Long Stainless Stainless Steel Pipe Co Ltd
Original Assignee
Sichuan Long Stainless Stainless Steel Pipe Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Long Stainless Stainless Steel Pipe Co Ltd filed Critical Sichuan Long Stainless Stainless Steel Pipe Co Ltd
Priority to CN201921310082.4U priority Critical patent/CN210154749U/en
Application granted granted Critical
Publication of CN210154749U publication Critical patent/CN210154749U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

A clamp for a steel pipe sealing test comprises a water tank and a fixing assembly, wherein the top of the water tank is provided with an opening, an air cylinder A is fixedly connected with the outer wall of the left side of the water tank, a piston rod of the air cylinder A penetrates through the side wall of the water tank and then is connected with an air cylinder push block A, a bracket is arranged at one side of the bottom of the inner cavity close to the cylinder push block A, the bottom surface of the bracket is connected with the cavity bottom of the inner cavity, the ventilation sealing head is connected with the side surface of the bracket, the middle rod of the ventilation sealing head is arranged on one side of the bracket far away from the cylinder push block A, the axis of the through hole of the ventilation sealing head is coaxial with the axis of the middle rod of the ventilation sealing head, the blind hole sealing head A is connected with the right side cavity wall of the inner cavity, the wall of the inner cavity is connected with an air cylinder push block B which is positioned between the bracket and the blind hole sealing head A, and one side of the bottom of the inner cavity, which is far away from the cylinder A, is connected with a cylinder B, and the tail end of a middle rod of the cylinder B is connected with a blind hole sealing head B. The utility model provides a current testing arrangement's anchor clamps have not enough problem.

Description

Clamp for steel pipe sealing test
Technical Field
The utility model relates to a steel pipe field, in particular to anchor clamps are used in steel pipe sealing test.
Background
Steel pipe having a hollow cross section with a length substantially greater than the diameter or circumference of the steel. Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels. The steel pipe is used for manufacturing the building structure net rack, the supporting column and the mechanical support, so that the weight can be reduced, the metal can be saved by 20-40%, and the industrialized mechanized construction can be realized.
An existing U-shaped steel pipe comprises a long pipe and a short pipe, as shown in figure 1, the tail end of the short pipe is a pipe opening A, the tail end of the long pipe is a pipe opening B, and one end, close to the short pipe, of the long pipe and close to the pipe opening B is provided with a pipe opening C. When the steel pipe is clamped by the common clamp quickly to work during testing, the rubber plate is extruded, the situations of improper sealing, workpiece displacement, inaccurate testing and the like occur, and the position of the steel pipe needs to be adjusted frequently in order to enable the rubber pad to be aligned with the hole in the steel pipe, so that the working efficiency is reduced.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a sealed test of steel pipe is with anchor clamps, start cylinder A promotes the steel pipe and removes, make sealed head of ventilating and blind hole sealed head A seal up the mouth of pipe A and the mouth of pipe B at both ends on the steel pipe respectively, and cylinder ejector pad A and blind hole sealed head A are fixed the steel pipe from controlling both ends, restart cylinder B makes blind hole sealed head B remove to being close to the steel pipe, blind hole sealed head B seals mouth of pipe C, cylinder ejector pad B and blind hole sealed head B further fix the steel pipe simultaneously, the problem that there is not enough in the anchor clamps of having solved current testing arrangement.
The utility model adopts the technical scheme as follows:
a clamp for a steel pipe sealing test comprises a water tank with an opening at the top and a fixing assembly, wherein the fixing assembly comprises a cylinder A, a cylinder B, a cylinder push block B and a sealing head, and the cylinder B, the cylinder push block B and the sealing head are all located in an inner cavity of the water tank;
the air cylinder A is fixedly connected with the outer wall of the left side of the water tank, a piston rod of the air cylinder A penetrates through the side wall of the water tank and then is inserted into the inner cavity, a support is arranged on one side, close to the air cylinder A, of the bottom of the inner cavity, the bottom surface of the support is connected with the cavity bottom of the inner cavity, the sealing head comprises a blind hole sealing head A, a blind hole sealing head B and a ventilation sealing head with a through hole, the ventilation sealing head is connected with the support, a middle rod of the ventilation sealing head is arranged on one side, far away from the air cylinder A, of the support, the axis of the through hole of the ventilation sealing head is coaxial with the axis of a middle rod of the ventilation sealing head, the blind hole sealing head A is connected with the cavity wall of the right side of the inner;
and one side of the bottom of the inner cavity, which is far away from the air cylinder A, is connected with an air cylinder B, a piston rod of the air cylinder B is positioned on one side of the air cylinder B, which is close to the air cylinder push block B, and the tail end of the piston rod of the air cylinder B is connected with a blind hole sealing head B.
When the sealing device is used, a steel pipe is placed in a water tank, a sealing head arranged in the water tank is in the prior art and is of a T-shaped structure, one end of the sealing head is a small-diameter end of a middle rod, the other end of the sealing head is a large-diameter end, a pipe orifice A is aligned with a through hole of a ventilation sealing head, a pipe orifice B is aligned with a blind hole sealing head A, a pipe orifice C is aligned with a blind hole sealing head B, then the air cylinder A is started, an air cylinder push block A pushes the steel pipe to move in the water tank, the ventilation sealing head seals the pipe orifice A, the blind hole sealing head A seals the pipe orifice B, the through hole of the ventilation sealing head is smaller than the inner diameter of the steel pipe, the through hole on the ventilation sealing head is communicated with the pipe orifice, then the air cylinder B arranged in an inner cavity through an air cylinder seat is started, the blind hole sealing head B moves towards the air cylinder push block B, the, the steel pipe is fixed by the clamp assembly on the testing device, so that the steel pipe can not be separated from the original position easily during testing.
The utility model discloses start cylinder A promotes the steel pipe and removes, make sealed head of ventilating and blind hole sealed head A seal up the mouth of pipe A and the mouth of pipe B at both ends on the steel pipe respectively, and cylinder ejector pad A and blind hole sealed head A are fixed the steel pipe from controlling both ends, restart cylinder B makes blind hole sealed head B remove to being close to the steel pipe, blind hole sealed head B is sealed with mouth of pipe C, cylinder ejector pad B and blind hole sealed head B further fix the steel pipe simultaneously, the problem that the anchor clamps that have solved current testing arrangement exist not enough is solved.
Furthermore, an annular groove is formed in one side, close to the cylinder push block A, of the ventilation sealing head, the axis of the annular groove is coaxial with the axis of the through hole, and an O-shaped sealing gasket is connected in the annular groove. Set up the ring channel on the sealed head of ventilating and be equipped with O shape sealed pad in the ring channel, can guarantee not only that the external diameter of mouth of pipe A can be sealed completely under operating condition, the internal diameter of mouth of pipe A can also communicate with the through-hole of the sealed head of ventilating.
Further, blind hole sealing head A and blind hole sealing head B all are equipped with the mounting groove apart from the one end of each intermediate lever, all are connected with sealed the pad in two mounting grooves. The blind hole sealing head A and the blind hole sealing head B are connected with sealing gaskets, so that the pipe orifice B and the pipe orifice C can be completely sealed in a working state.
Further, there are two fixing assemblies on the water tank, and the two fixing assemblies are symmetrical about a center line parallel to the axis of the piston rod of the cylinder a. The space of make full use of water tank can detect two steel pipes simultaneously.
Further, the tail end of the air cylinder A is connected with an air cylinder pushing block A, and the air cylinder pushing block A can be in contact with the steel pipe. The area of cylinder ejector pad A is bigger, and cylinder ejector pad A and steel pipe contact can reduce the piston rod directly and the wearing and tearing that the steel pipe contact caused.
Furthermore, the cavity bottom of the inner cavity is connected with a plurality of steel pipe positioning blocks, one part of the steel pipe positioning blocks are uniformly arranged along the axis of the mounting groove, and the other part of the steel pipe positioning blocks are uniformly arranged along the axis of the annular groove. When the steel pipe is installed in the water tank, the steel pipe can be supported by the steel pipe positioning block, and the steel pipe is prevented from falling to the bottom of the water tank.
And further, an arc-shaped groove capable of being matched with the steel pipe is formed in the top surface of the steel pipe positioning block. The arc-shaped groove is matched with the side wall of the steel pipe, so that a user can conveniently and quickly assemble and disassemble the steel pipe, and deviation can not occur.
Furthermore, the bottom surface of the steel pipe positioning block is provided with a threaded hole, and the steel pipe positioning block is in threaded connection with the bottom of the mounting hole. When the steel pipe locating piece goes wrong, can dismantle the steel pipe locating piece fast and change.
Further, the middle rod of the ventilation sealing head is matched with the bracket through a nut. The nut can prevent to ventilate sealed head and drop from the support, increases the stability of ventilating sealed head fixed position.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to an anchor clamps are used in sealed test of steel pipe, start cylinder A and promote the steel pipe and remove, make sealed head of ventilating and blind hole sealed head A seal up the mouth of pipe A and the mouth of pipe B at both ends on the steel pipe respectively, and both ends are fixed with the steel pipe about cylinder ejector pad A and blind hole sealed head A follow, restart cylinder B makes blind hole sealed head B remove to being close to the steel pipe, blind hole sealed head B is sealed with mouth of pipe C, cylinder ejector pad B and blind hole sealed head B further fix the steel pipe simultaneously, the anchor clamps that have solved current testing arrangement have not enough problem.
2. The utility model relates to a steel pipe is anchor clamps for sealing test one side that sealed head of ventilating is close to cylinder ejector pad A is equipped with the ring channel, the axis of ring channel is coaxial with the axis of through-hole, is connected with O shape in the ring channel and seals up. Set up the ring channel on the sealed head of ventilating and be equipped with O shape sealed pad in the ring channel, can guarantee not only that the external diameter of mouth of pipe A can be sealed completely under operating condition, the internal diameter of mouth of pipe A can also communicate with the through-hole of the sealed head of ventilating.
3. The utility model relates to a steel pipe sealing test is with anchor clamps the one end that the intermediate lever separately was kept away from to blind hole sealing head A and blind hole sealing head B all is equipped with the mounting groove, all is connected with sealed the pad in two mounting grooves. The blind hole sealing head A and the blind hole sealing head B are connected with sealing gaskets, so that the pipe orifice B and the pipe orifice C can be completely sealed in a working state.
4. The utility model relates to a steel pipe sealing test is with anchor clamps fixed subassembly on the water tank has two, and two fixed subassemblies are about the central line symmetry that is on a parallel with cylinder A's piston rod axis. The space of make full use of water tank can detect two steel pipes simultaneously.
5. The utility model relates to a steel pipe sealing test is with anchor clamps cylinder A's end-to-end connection has cylinder ejector pad A, cylinder ejector pad A can contact with the steel pipe. The area of cylinder ejector pad A is bigger, and cylinder ejector pad A and steel pipe contact can reduce the piston rod directly and the wearing and tearing that the steel pipe contact caused.
6. The utility model relates to a steel pipe seal test is with anchor clamps the inner chamber end is connected with a plurality of steel pipe locating piece, the axis align to grid of mounting groove is followed to some of steel pipe locating piece, and the axis align to grid of ring channel is followed to another part. When the steel pipe is installed in the water tank, the steel pipe can be supported by the steel pipe positioning block, and the steel pipe is prevented from falling to the bottom of the water tank.
7. The utility model relates to a steel pipe sealing test is with anchor clamps the top surface of steel pipe locating piece is equipped with can with steel pipe complex arc wall. The arc-shaped groove is matched with the side wall of the steel pipe, so that a user can conveniently and quickly assemble and disassemble the steel pipe, and deviation can not occur.
8. The utility model relates to a steel pipe is anchor clamps for sealing test, the bottom surface of steel pipe locating piece is equipped with the screw hole, the hole bottom threaded connection of steel pipe locating piece and mounting hole. When the steel pipe locating piece goes wrong, can dismantle the steel pipe locating piece fast and change.
9. The utility model relates to a steel pipe seals test and uses anchor clamps, the intermediate lever of sealed head of ventilating passes through nut and support cooperation. The nut can prevent to ventilate sealed head and drop from the support, increases the stability of ventilating sealed head fixed position.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a steel pipe according to the present invention;
fig. 2 is a schematic structural diagram of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is a side cross-sectional view of the present invention;
fig. 6 is a schematic structural view of the vent sealing head of the present invention.
Reference numerals in the drawings indicate:
1-a water tank, 2-a steel pipe, 201-a pipe orifice A, 202-a pipe orifice B, 203-a pipe orifice C, 3-a cylinder A, 4-a cylinder B, 5-a support, 6-a cylinder seat, 7-a cylinder push block A, 8-a cylinder push block B, 9-a ventilation sealing head, 10-a blind hole sealing head A, 11-a blind hole sealing head B, 12-an O-shaped sealing gasket, 13-a sealing gasket, 14-a circular ring, 15-a steel pipe positioning block, 16-an inner cavity and 17-a nut.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples, the exemplary embodiments of the present invention and the description thereof are only used for explaining the present invention, and are not intended as limitations of the present invention, and the connection in the specification is welding or riveting in the common knowledge, and the size ratio between each component in the specification does not represent the size ratio of each component in actual use.
The present invention will be described in detail with reference to fig. 1 to 6.
Example 1
A clamp for a steel pipe sealing test comprises a water tank 1 with an opening at the top and a fixing assembly, wherein the fixing assembly comprises an air cylinder A3, an air cylinder B4, an air cylinder push block B8 and a sealing head, and the air cylinder B4, the air cylinder push block B8 and the sealing head are all positioned in an inner cavity 16 of the water tank 1;
the air cylinder A3 is fixedly connected with the outer wall of the left side of the water tank 1, a piston rod of the air cylinder A3 penetrates through the side wall of the water tank 1 and then is inserted into the inner cavity 16, a support 5 is arranged on one side, close to the air cylinder A3, of the bottom of the inner cavity 16, the bottom surface of the support 5 is connected with the cavity bottom of the inner cavity 16, the sealing head comprises a blind hole sealing head A10, a blind hole sealing head B11 and a ventilation sealing head 9 with a through hole, the ventilation sealing head 9 is connected with the support 5, a middle rod of the ventilation sealing head 9 is arranged on one side, far away from the air cylinder A3, of the support 5, the axis of the through hole of the ventilation sealing head 9 is coaxial with the axis of the middle rod of the ventilation sealing head 9, the blind hole sealing head A10 is connected with the cavity wall of the inner cavity 16, an air cylinder push block B8 is connected;
and a cylinder B4 is connected to the side, away from the cylinder A3, of the bottom of the inner cavity 16, a piston rod of the cylinder B4 is located on the side, close to the cylinder pushing block B8, of the cylinder, and the tail end of the piston rod of the cylinder B4 is connected with a blind hole sealing head B11.
When in use, the steel pipe 2 is placed in the water tank 1, the sealing head arranged in the water tank is the prior art and has a T-shaped structure, one end of the sealing head is the small-diameter end of the middle rod, the other end of the sealing head is the large-diameter end, the pipe orifice A201 is aligned with the through hole of the ventilation sealing head 9, the pipe orifice B202 is aligned with the blind hole sealing head A, the pipe orifice C is aligned with the blind hole sealing head B, then the air cylinder A3 is started, the air cylinder push block A7 pushes the steel pipe 2 to move in the water tank 2, the ventilation sealing head 9 seals the pipe orifice A201, the blind hole sealing head A10 seals the pipe orifice B202, because the aperture of the through hole of the ventilation sealing head 9 is smaller than the inner diameter of the steel pipe 2, the through hole on the ventilation sealing head 9 is communicated with the pipe orifice 201, then the air cylinder B4 arranged in the inner cavity 16 through the air cylinder seat 6 is started, the blind hole sealing head B11 moves to be close to the, the blind hole sealing head B11 covers and seals the pipe orifice C203, and the steel pipe 2 is fixed by the clamp assembly on the testing device, so that the steel pipe 2 can not be easily separated from the original position during testing.
The utility model discloses start cylinder A promotes the steel pipe and removes, make sealed head of ventilating and blind hole sealed head A seal up the mouth of pipe A and the mouth of pipe B at both ends on the steel pipe respectively, and cylinder ejector pad A and blind hole sealed head A are fixed the steel pipe from controlling both ends, restart cylinder B makes blind hole sealed head B remove to being close to the steel pipe, blind hole sealed head B is sealed with mouth of pipe C, cylinder ejector pad B and blind hole sealed head B further fix the steel pipe simultaneously, the problem that the anchor clamps that have solved current testing arrangement exist not enough is solved.
Example 2
A specific implementation description is made with respect to the operation manner in embodiment 1.
As shown in fig. 2, the number of the fixing members of the present invention on the water tank 1 is two, and the two fixing members are symmetrical about a center line parallel to the axis of the piston rod of the cylinder a 3. Set up fixed subassembly B in water tank 1 and can furthest utilize the space of water tank 1, can detect two steel pipes 2 simultaneously, promote holistic work efficiency.
Example 3
A specific implementation description is made with respect to the operation manner in embodiment 1.
As shown in fig. 2, the utility model discloses in be connected with a plurality of steel pipe locating piece 15 in the bottom of water tank 1, be equipped with the arc wall at the top surface of steel pipe locating piece 15, when installing steel pipe 2 in water tank 1, make the lateral wall and the arc wall cooperation of steel pipe 2, make things convenient for staff fast loading and unloading steel pipe 2, promote work efficiency.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (9)

1. The utility model provides a steel pipe seals test and uses anchor clamps which characterized in that: the device comprises a water tank (1) with an opening at the top and a fixing assembly, wherein the fixing assembly comprises a cylinder A (3), a cylinder B (4), a cylinder push block B (8) and a sealing head, and the cylinder B (4), the cylinder push block B and the sealing head are all positioned in an inner cavity (16) of the water tank (1);
the air cylinder A (3) is fixedly connected with the outer wall of the left side of the water tank (1), a piston rod of the air cylinder A (3) penetrates through the side wall of the water tank (1) and then is inserted into the inner cavity (16), a support (5) is arranged on one side, close to the air cylinder A (3), of the bottom of the inner cavity (16), the bottom of the support (5) is connected with the cavity bottom of the inner cavity (16), the sealing head comprises a blind hole sealing head A (10), a blind hole sealing head B (11) and a ventilation sealing head (9) with a through hole, the ventilation sealing head (9) is connected with the support (5), a middle rod of the ventilation sealing head (9) is arranged on one side, far away from the air cylinder A (3), of the support (5), the axis of the through hole of the ventilation sealing head (9) is coaxial with the axis of the middle rod of the ventilation sealing head (9), the blind hole sealing head A (10) is connected with the cavity wall of the right side of the inner cavity (, the cylinder push block B (8) is positioned between the bracket (5) and the blind hole sealing head A (10);
and one side of the bottom of the inner cavity (16), which is far away from the air cylinder A (3), is connected with an air cylinder B (4), a piston rod of the air cylinder B (4) is positioned on one side of the air cylinder B (4) close to an air cylinder push block B (8), and the tail end of the piston rod of the air cylinder B (4) is connected with a blind hole sealing head B (11).
2. The clamp for the steel pipe sealing test according to claim 1, wherein: an annular groove is formed in one side, close to the cylinder A (3), of the ventilation sealing head (9), the axis of the annular groove is coaxial with the axis of the through hole, and an O-shaped sealing gasket (12) is installed in the annular groove.
3. The clamp for the steel pipe sealing test according to claim 1, wherein: blind hole sealing head A (10) and blind hole sealing head B (11) keep away from the one end of each intermediate lever and all are equipped with the mounting groove, all install sealed pad (13) in two mounting grooves.
4. The clamp for the steel pipe sealing test according to claim 1, wherein: the number of the fixing assemblies on the water tank (1) is two, and the two fixing assemblies are symmetrical about a central line parallel to the axis of a piston rod of the air cylinder A.
5. The clamp for the steel pipe sealing test according to claim 1, wherein: the tail end of the air cylinder A (3) is connected with an air cylinder push block A (7), and the air cylinder push block A (7) can be in contact with the steel pipe (2).
6. The clamp for the steel pipe sealing test according to claim 1, wherein: the bottom of the inner cavity (16) is connected with a plurality of steel pipe positioning blocks (15), one part of the steel pipe positioning blocks (15) are uniformly arranged along the axis of the mounting groove, and the other part of the steel pipe positioning blocks (15) are uniformly arranged along the axis of the annular groove.
7. The clamp for the steel pipe sealing test according to claim 6, wherein: the top surface of the steel pipe positioning block (15) is provided with an arc-shaped groove which can be matched with the steel pipe (2).
8. The clamp for the steel pipe sealing test according to claim 6, wherein: the bottom surface of the steel pipe positioning block (15) is provided with a threaded hole, and the steel pipe positioning block (15) is in threaded connection with the bottom of the inner cavity (16).
9. The clamp for the steel pipe sealing test according to any one of claims 1 to 8, wherein: the middle rod of the ventilation sealing head (9) is matched with the bracket (5) through a nut (17).
CN201921310082.4U 2019-08-13 2019-08-13 Clamp for steel pipe sealing test Active CN210154749U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921310082.4U CN210154749U (en) 2019-08-13 2019-08-13 Clamp for steel pipe sealing test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921310082.4U CN210154749U (en) 2019-08-13 2019-08-13 Clamp for steel pipe sealing test

Publications (1)

Publication Number Publication Date
CN210154749U true CN210154749U (en) 2020-03-17

Family

ID=69766934

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921310082.4U Active CN210154749U (en) 2019-08-13 2019-08-13 Clamp for steel pipe sealing test

Country Status (1)

Country Link
CN (1) CN210154749U (en)

Similar Documents

Publication Publication Date Title
CN103672943B (en) Air preheater float tube sealed elastic sealing shroud device
CN210154749U (en) Clamp for steel pipe sealing test
CN202629383U (en) Air-conditioner double-seal joint
CN218953275U (en) Sealing structure for wellhead hanger
CN216743012U (en) Quick connecting pipe with non-return device
CN111911688B (en) High-temperature high-pressure forged steel gate valve
CN214579483U (en) Easy-to-assemble pipeline connector for ventilation of clean room
CN214650678U (en) Honeycomb type inner floating disc
CN210154753U (en) Steel pipe sealing testing device
CN220851251U (en) Mechanical rush-repair clamp for pipeline
CN209975619U (en) Fixing base for outdoor water supply pump station for domestic water supply
CN207935459U (en) A kind of shut-off valve suitable for refrigeration system
CN205244734U (en) Prevent pipe fitting that rusts
CN209959344U (en) Thermostat cover of automobile engine
CN211345951U (en) Connecting structure for built-in steel pipe and baffle of oil separator
CN110539155A (en) Sealing washer equipment auxiliary device
CN210770514U (en) Wafer type hard sealing butterfly valve with good sealing performance
CN215568046U (en) Stainless steel valve core shell structure
CN215721746U (en) Bottom inflatable base assembly
CN215596661U (en) Flange plate convenient to disassemble
CN212156224U (en) Slag falling pipe expansion joint
CN205244607U (en) A all -round support frame for horizontal valve
CN217683584U (en) Warm logical stable connection mounting structure of warm for drainage of building construction
CN214197435U (en) Self-operated control valve for heating pipe network
CN220379138U (en) Leak-proof flange plate

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant