CN110701382B - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN110701382B CN110701382B CN201911012058.7A CN201911012058A CN110701382B CN 110701382 B CN110701382 B CN 110701382B CN 201911012058 A CN201911012058 A CN 201911012058A CN 110701382 B CN110701382 B CN 110701382B
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- China
- Prior art keywords
- valve
- spring
- wall
- block
- valve body
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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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
- F16K5/0652—Spindles or actuating means for remote operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/11—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing and hanging from a pendant
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a stop valve which comprises a valve body, a valve rod group and a hanging connection mechanism, wherein the valve rod group is connected with the valve body through a connecting rod; the lower end of the valve body is provided with the valve rod group in a clamping manner, and the outer walls at the two ends of the valve body are symmetrically provided with the hoisting mechanisms, so that the problems that a: the stop valve and the water pipe are connected at the high position of the roof, so that the stop valve is easy to fall off and the water pipe is broken due to the long-lasting use of the water pipe and the stop valve under the condition of gravity; b: the stop valve is arranged at the high position of the roof, and the valve rod of the existing stop valve has a certain length, so that the stop valve arranged at the high position cannot be conveniently opened and closed by manually controlling the stop valve; inconvenient use and the like.
Description
Technical Field
The invention relates to the field of valves, in particular to a stop valve.
Background
The stop valve, its opening and closing piece is driven by the valve rod, can be used to the regulation and the control of fluid and gas.
In the process of installing and constructing the pipeline, in order not to damage the integral structure of the house; water pipes are typically installed along the roof surface; and sometimes for practical reasons it is necessary to arrange shut-off valves at specific locations during installation of the water pipes, furtherControlThe liquid or gas in the water production pipe flows; however, the following problems mainly exist in the process of installing the stop valve at high altitude: a: the stop valve and the water pipe are connected at the high position of the roof, so that the stop valve is easy to fall off and the water pipe is broken due to the long-lasting use of the water pipe and the stop valve under the condition of gravity; b: the stop valve is arranged at the high position of the roof, and the valve rod of the existing stop valve has a certain length, so that the stop valve arranged at the high position cannot be conveniently opened and closed by manually controlling the stop valve; is inconvenient to use.
Aiming at the structure of the existing stop valve, the invention provides a stop valve.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the stop valve comprises a valve body, a valve rod group and a hanging connection mechanism; the valve body lower extreme be provided with the valve rod group through the joint mode, the both ends outer wall symmetry that is located the valve body is provided with hangs and connects the mechanism, wherein:
the valve rod group comprises a valve rod and a hexagonal clamping ring, the hexagonal clamping ring is arranged at the lower end of the valve body, and the hexagonal clamping ring is connected with a valve ball in the valve body; the inner wall of the hexagonal snap ring is uniformly provided with grooves, and rubber balls are arranged in the grooves in a movable connection mode; a valve rod is arranged in the inner groove of the hexagonal snap ring in a clamping manner; the bottom end of the valve rod which is drawn out by a certain length is inserted into the hexagonal snap ring, and the valve body is operated to be opened and closed by rotating the valve rod.
The hoisting mechanism comprises a U-shaped hoisting frame, a clamping unit, a fixing unit, a limiting spring and a limiting block; the U type gallows top inner wall be provided with annular rubber pad, the both sides outer wall symmetry of U type gallows is provided with the rectangular channel, and the inner wall of its rectangular channel evenly is provided with spacing spring, the spacing spring other end connect on the stopper, be located the rectangular channel of U type frame and be provided with the joint unit through the sliding fit mode, just the joint unit cooperate with the stopper, the upper end that is located U type gallows is provided with fixed unit through the swing joint mode.
The fixing unit comprises a fixing column, a fixing spring, a side fixing block, an auxiliary spring and a clamping pin; the fixing column is arranged at the bottom end of the U-shaped hanging bracket in a sliding fit mode, a fixing spring is sleeved on the outer wall of the upper end of the fixing column, pin holes are uniformly formed in the fixing column from top to bottom, and balls are uniformly arranged at the bottom end of the fixing column in a movable connection mode; the side fixing blocks are symmetrically arranged at the bottom end of the U-shaped hanging bracket in a sliding fit mode, and the top ends of the side fixing blocks are of inclined structures; the side fixed block outer wall that is located U type gallows inside is equipped with auxiliary spring in a sleeving manner, the bayonet lock set up on U type gallows through sliding fit, just the bayonet lock cooperate with the pinhole of fixed column. The two mounting grooves are formed in the corresponding positions on the wall, then the upper end of the U-shaped hanging bracket is placed in the mounting groove of the wall, the fixing column is pressed to enable the side fixing block and the wall to be fixed in an extruding mode, then the valve body supporting device is fixed on the wall through the inserted clamping pin, and the valve body at the lower end is supported.
The clamping unit comprises a limiting rod, a compression spring, an adjusting block, an arc-shaped limiting clamp ring, an actuating spring and an actuating block; the limiting rod is arranged on the U-shaped hanging bracket, the outer wall of the limiting rod is provided with an adjusting block in a sliding fit mode, the adjusting block is matched with the limiting block, the outer wall of the circumference of the limiting rod at the lower end of the adjusting block is sleeved with a compression spring, the arc-shaped limiting snap ring is connected to the two limiting rods in a sliding fit mode, the inner wall of the arc-shaped limiting snap ring is uniformly provided with an execution spring, and the lower end of the execution spring is connected with an execution block; the pressure of the lower end compression spring is controlled by operating the adjusting block, and then the upper end of the valve body is fixed by operating the arc-shaped limiting clamping ring, so that the stability of the valve is improved; the valve body at the upper end is prevented from shaking randomly.
Preferably; the valve rod is of a pull-out type multi-stage structure, and the bottom end of the valve rod is of a hexagonal structure; the valve rod is arranged into a multi-stage drawing structure, so that the valve rod can be conveniently contacted with the valve body arranged at a high position, the opening and closing of the valve body are controlled, and the practicability of the invention is improved.
Preferably; the limiting block is of an arc structure slightly concave inwards; the limiting block is arranged to be a structure slightly concave towards the inside, so that the limiting block is convenient to be matched with the adjusting block, the pressure of the compression spring is adjusted through the adjusting block, and the pressure between the arc-shaped limiting clamping ring and the valve body is further adjusted.
Preferably; the execution block is made of rubber; the execution block is made of rubber, so that the execution block can fix the upper end of the valve body conveniently, and the outer wall of the upper end of the valve body cannot be damaged.
Advantageous effects
The stop valve is characterized in that two ends of a water pipe are respectively arranged in a valve body, and the water pipe at the lower end and the valve body are supported by a hoisting mechanism; the falling of the valve body under the action of gravity is reduced, the connection strength between the valve body and the hoisting mechanism can be enhanced through the clamping unit on the hoisting mechanism, and the stability of the valve body in the using process is improved; the invention can prevent falling off and water pipe breakage caused by shaking;
the valve rod group is detachable and is convenient to adjust the length of the valve rod according to practical application scenes; the opening and closing of the switch in the valve body can be conveniently controlled by the staff on the ground through the valve rod group; the operating personnel are ensured to be in a safe working environment.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of the invention at B in FIG. 2;
FIG. 4 is an enlarged view of a portion of the invention at C in FIG. 1;
fig. 5 is a partial enlarged view of the invention at D in fig. 2.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 5, the stop valve comprises a valve body 1, a valve rod group 2 and a suspension connection mechanism 3; 1 lower extreme of valve body be provided with valve rod group 2 through the joint mode, the both ends outer wall symmetry that is located valve body 1 is provided with and hangs and connect mechanism 3, wherein:
the valve rod group 2 comprises a valve rod 21 and a hexagonal snap ring 22, the hexagonal snap ring 22 is arranged at the lower end of the valve body 1, and the hexagonal snap ring 22 is connected with a valve ball in the valve body 1; the inner wall of the hexagonal snap ring 22 is uniformly provided with grooves, and rubber balls are arranged in the grooves in a movable connection mode; a valve rod 21 is arranged in the inner groove of the hexagonal snap ring 22 in a clamping manner, the valve rod 21 is of a pull-out multi-stage structure, and the bottom end of the valve rod 21 is of a hexagonal structure; the valve rod 21 is arranged into a multi-stage drawing structure, so that the valve rod can be conveniently contacted with the valve body 1 arranged at a high position, the opening and closing of the valve body 1 are controlled, and the practicability of the invention is improved; the opening and closing of the valve body 1 is operated by inserting the bottom end of the valve stem 21 drawn out by a certain length into the hexagonal snap ring 22 and by rotating the valve stem 21.
The hanging and connecting mechanism 3 comprises a U-shaped hanger 31, a clamping unit 32, a fixing unit 33, a limiting spring 34 and a limiting block 35; an annular rubber pad is arranged on the inner wall of the top end of the U-shaped hanger 31, rectangular grooves are symmetrically formed in the outer walls of two sides of the U-shaped hanger 31, limiting springs 34 are uniformly arranged on the inner walls of the rectangular grooves, the other ends of the limiting springs 34 are connected to limiting blocks 35, clamping units 32 are arranged in the rectangular grooves of the U-shaped hanger in a sliding fit mode, the clamping units 32 are matched with the limiting blocks 35, and fixing units 33 are arranged at the upper end of the U-shaped hanger 31 in a movable connection mode; the limiting block 35 is an arc structure slightly concave inwards; the limiting block 35 is arranged to be slightly concave towards the inside so as to be matched with the adjusting block 323, so that the pressure of the compression spring 322 is adjusted through the adjusting block 323, and the pressure between the arc-shaped limiting snap ring 324 and the valve body 1 is further adjusted.
The clamping unit 32 comprises a limiting rod 321, a compression spring 322, an adjusting block 323, an arc-shaped limiting snap ring 324, an execution spring 325 and an execution block 326; the limiting rod 321 is arranged on the U-shaped hanger 31, the outer wall of the limiting rod 321 is provided with an adjusting block 323 in a sliding fit manner, the adjusting block 323 is matched with the limiting block 35, the outer wall of the circumference of the limiting rod 321 at the lower end of the adjusting block 323 is sleeved with a compression spring 322, the arc-shaped limiting snap ring 324 is connected to the two limiting rods 321 in a sliding fit manner, the inner wall of the arc-shaped limiting snap ring 324 is uniformly provided with an execution spring 325, and the lower end of the execution spring 325 is connected with an execution block 326; the execution block 326 is made of rubber; the execution block 326 is made of rubber, so that the execution block 326 can fix the upper end of the valve body 1 conveniently, and the outer wall of the upper end of the valve body 1 cannot be damaged; the pressure of the lower end compression spring 322 is controlled by operating the adjusting block 323, and then the upper end of the valve body 1 is fixed by operating the arc-shaped limiting snap ring 324, so that the stability of the invention is improved; the valve body 1 at the upper end is prevented from shaking randomly.
The fixing unit 33 comprises a fixing column 331, a fixing spring 332, a side fixing block 333, an auxiliary spring 334 and a bayonet 335; the fixing column 331 is arranged at the bottom end of the U-shaped hanging bracket 31 in a sliding fit mode, a fixing spring 332 is sleeved on the outer wall of the upper end of the fixing column 331, pin holes are uniformly formed in the fixing column 331 from top to bottom, and balls are uniformly arranged at the bottom end of the fixing column 331 in a movable connection mode; the side fixing blocks 333 are symmetrically arranged at the bottom end of the U-shaped hanger 31 in a sliding fit manner, and the top ends of the side fixing blocks 333 are of an inclined structure; an auxiliary spring 334 is sleeved on the outer wall of a side fixing block 333 positioned in the U-shaped hanging bracket 31, the bayonet 335 is arranged on the U-shaped hanging bracket 31 in a sliding fit mode, and the bayonet 335 is matched with a pin hole of the fixing column 331; two mounting grooves are formed in corresponding positions on the wall, then the upper end of the U-shaped hanging bracket 31 is placed in the mounting grooves of the wall, the side fixing blocks 333 and the wall are fixed in a pressing mode through the fixing columns 331, and the valve body 1 at the lower end is supported through the clamping pins 335.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A stop valve comprises a valve body (1), a valve rod group (2) and a hanging connection mechanism (3); the method is characterized in that: valve body (1) lower extreme be provided with valve rod group (2) through the joint mode, the both ends outer wall symmetry that is located valve body (1) is provided with hangs and connects mechanism (3), wherein:
the valve rod group (2) comprises a valve rod (21) and a hexagonal clamping ring (22), the hexagonal clamping ring (22) is arranged at the lower end of the valve body (1), and the hexagonal clamping ring (22) is connected with a valve ball in the valve body (1); grooves are uniformly formed in the inner wall of the hexagonal snap ring (22), and rubber balls are arranged in the grooves in a movable connection mode; a valve rod (21) is arranged in the inner groove of the hexagonal snap ring (22) in a clamping manner;
the hanging and connecting mechanism (3) comprises a U-shaped hanging bracket (31), a clamping unit (32), a fixing unit (33), a limiting spring (34) and a limiting block (35); u type gallows (31) top inner wall be provided with annular rubber pad, the bilateral outer wall symmetry of U type gallows (31) is provided with the rectangular channel, the inner wall of its rectangular channel evenly is provided with spacing spring (34), spacing spring (34) other end connect on stopper (35), be located the rectangular channel of U type frame and be provided with joint unit (32) through the sliding fit mode, just joint unit (32) cooperate with stopper (35), the upper end that is located U type gallows (31) is provided with fixed unit (33) through the swing joint mode.
2. A shut-off valve as claimed in claim 1, wherein: the fixing unit (33) comprises a fixing column (331), a fixing spring (332), a side fixing block (333), an auxiliary spring (334) and a clamping pin (335); the fixing column (331) is arranged at the bottom end of the U-shaped hanger (31) in a sliding fit mode, a fixing spring (332) is sleeved on the outer wall of the upper end of the fixing column (331), pin holes are uniformly formed in the fixing column (331) from top to bottom, and balls are uniformly arranged at the bottom end of the fixing column (331) in a movable connection mode; side fixing blocks (333) are symmetrically arranged at the bottom end of the U-shaped hanging bracket (31) in a sliding fit mode, and the top ends of the side fixing blocks (333) are of an inclined structure; an auxiliary spring (334) is sleeved on the outer wall of a side fixing block (333) positioned in the U-shaped hanging bracket (31), the clamping pin (335) is arranged on the U-shaped hanging bracket (31) in a sliding fit mode, and the clamping pin (335) is matched with a pin hole of the fixing column (331).
3. A shut-off valve as claimed in claim 1, wherein: the clamping unit (32) comprises a limiting rod (321), a compression spring (322), an adjusting block (323), an arc-shaped limiting snap ring (324), an execution spring (325) and an execution block (326); gag lever post (321) set up on U type gallows (31), the outer wall that is located gag lever post (321) is provided with regulating block (323) through sliding fit, just regulating block (323) cooperate with stopper (35), the circumference outer wall that is located gag lever post (321) of regulating block (323) lower extreme is gone up the cover and is equipped with compression spring (322), spacing snap ring of arc (324) connect two through sliding fit the gag lever post (321) on, the inner wall that is located spacing snap ring of arc (324) evenly is provided with execute spring (325), and the lower extreme that is located execute spring (325) is connected with execute block (326).
4. A shut-off valve as claimed in claim 1, wherein: the valve rod (21) is of a drawing type multi-stage structure, and the bottom end of the valve rod (21) is of a hexagonal structure.
5. A shut-off valve as claimed in claim 1, wherein: the limiting block (35) is of an arc structure slightly concave inwards.
6. A shut-off valve as claimed in claim 3, wherein: the execution block (326) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012058.7A CN110701382B (en) | 2019-10-23 | 2019-10-23 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012058.7A CN110701382B (en) | 2019-10-23 | 2019-10-23 | Stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110701382A CN110701382A (en) | 2020-01-17 |
| CN110701382B true CN110701382B (en) | 2020-07-03 |
Family
ID=69200977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911012058.7A Active CN110701382B (en) | 2019-10-23 | 2019-10-23 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110701382B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524264A (en) * | 2020-12-11 | 2021-03-19 | 南京想家贸易有限公司 | Stop valve |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3575367A (en) * | 1968-11-01 | 1971-04-20 | Omark Industries Inc | Standoff hanger assembly |
| US4413799A (en) * | 1981-07-09 | 1983-11-08 | Stapro Ag | Device for fastening elongated synthetic resin profiles |
| CN203703380U (en) * | 2014-01-20 | 2014-07-09 | 江苏海事职业技术学院 | Adjustable pipeline hanging bracket and hanging bracket sleeve piece capable of adjusting and restraining ship pipeline vibration noise |
| CN205136819U (en) * | 2015-11-20 | 2016-04-06 | 四川省自贡市益州电力线路器材有限公司 | Strain insulator UT fastener |
| CN207093939U (en) * | 2017-05-23 | 2018-03-13 | 惠安县德虹数控设备有限公司 | A kind of pipe clamp with adjustable pipeline support |
| CN207145749U (en) * | 2017-12-18 | 2018-03-27 | 顾思茗 | Portable underground valve opening aid |
| CN108167536A (en) * | 2017-11-17 | 2018-06-15 | 江苏壹鼎崮机电科技有限公司 | A kind of building seismatic method for pipeline suspension and support of combined convenient installation |
| CN207599235U (en) * | 2017-11-16 | 2018-07-10 | 晟福（天津）流体自动控制设备有限公司 | A kind of engineering HVAC pipe for having noise elimination function |
| CN207701942U (en) * | 2018-01-02 | 2018-08-07 | 河北兴东管道有限公司 | A antidetonation support for installing steel pipe |
| CN207989902U (en) * | 2017-12-30 | 2018-10-19 | 天津昱利赢石油科技有限公司 | A kind of oil drilling support of pipelines |
| CN208252949U (en) * | 2018-04-09 | 2018-12-18 | 大唐西藏波堆水电开发有限公司 | A kind of fixation device for water conservancy and hydropower pipe laying |
| CN208859065U (en) * | 2018-09-12 | 2019-05-14 | 江苏盐发机械有限公司 | A kind of easily detachable valve rod of valve |
| CN209229143U (en) * | 2018-11-21 | 2019-08-09 | 天津市金顺德预应力材料有限公司 | High-speed rail prestressing force bellows positioning device |
| CN209325173U (en) * | 2018-08-01 | 2019-08-30 | 中际同创管廊设备制造东台有限公司 | A kind of pre-buried pipeline fixing bracket |
-
2019
- 2019-10-23 CN CN201911012058.7A patent/CN110701382B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3575367A (en) * | 1968-11-01 | 1971-04-20 | Omark Industries Inc | Standoff hanger assembly |
| US4413799A (en) * | 1981-07-09 | 1983-11-08 | Stapro Ag | Device for fastening elongated synthetic resin profiles |
| CN203703380U (en) * | 2014-01-20 | 2014-07-09 | 江苏海事职业技术学院 | Adjustable pipeline hanging bracket and hanging bracket sleeve piece capable of adjusting and restraining ship pipeline vibration noise |
| CN205136819U (en) * | 2015-11-20 | 2016-04-06 | 四川省自贡市益州电力线路器材有限公司 | Strain insulator UT fastener |
| CN207093939U (en) * | 2017-05-23 | 2018-03-13 | 惠安县德虹数控设备有限公司 | A kind of pipe clamp with adjustable pipeline support |
| CN207599235U (en) * | 2017-11-16 | 2018-07-10 | 晟福（天津）流体自动控制设备有限公司 | A kind of engineering HVAC pipe for having noise elimination function |
| CN108167536A (en) * | 2017-11-17 | 2018-06-15 | 江苏壹鼎崮机电科技有限公司 | A kind of building seismatic method for pipeline suspension and support of combined convenient installation |
| CN207145749U (en) * | 2017-12-18 | 2018-03-27 | 顾思茗 | Portable underground valve opening aid |
| CN207989902U (en) * | 2017-12-30 | 2018-10-19 | 天津昱利赢石油科技有限公司 | A kind of oil drilling support of pipelines |
| CN207701942U (en) * | 2018-01-02 | 2018-08-07 | 河北兴东管道有限公司 | A antidetonation support for installing steel pipe |
| CN208252949U (en) * | 2018-04-09 | 2018-12-18 | 大唐西藏波堆水电开发有限公司 | A kind of fixation device for water conservancy and hydropower pipe laying |
| CN209325173U (en) * | 2018-08-01 | 2019-08-30 | 中际同创管廊设备制造东台有限公司 | A kind of pre-buried pipeline fixing bracket |
| CN208859065U (en) * | 2018-09-12 | 2019-05-14 | 江苏盐发机械有限公司 | A kind of easily detachable valve rod of valve |
| CN209229143U (en) * | 2018-11-21 | 2019-08-09 | 天津市金顺德预应力材料有限公司 | High-speed rail prestressing force bellows positioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110701382A (en) | 2020-01-17 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200608 Address after: 225231, Jiangsu Yangzhou District, Jiangdu Province town proper industrial concentration area Applicant after: Yangzhou Hantai Machinery Co.,Ltd. Address before: 311300 Zhejiang agriculture and Forestry University, No. 88 around the North Road, Hangzhou, Zhejiang, Ling'an Applicant before: Tang Pengfei |
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