CN218063634U - Special dismounting tool for pneumatic regulating valve membrane head - Google Patents
Special dismounting tool for pneumatic regulating valve membrane head Download PDFInfo
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- CN218063634U CN218063634U CN202221316075.7U CN202221316075U CN218063634U CN 218063634 U CN218063634 U CN 218063634U CN 202221316075 U CN202221316075 U CN 202221316075U CN 218063634 U CN218063634 U CN 218063634U
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- screw rod
- membrane head
- bush
- regulating valve
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Abstract
The utility model relates to the technical field of valve disassembling tools, in particular to a special disassembling tool for a pneumatic adjusting valve membrane head, which comprises a high-strength bolt and a bush, wherein the high-strength bolt comprises a screw rod, a first nut, a second nut and a third nut, the first nut, the second nut and the third nut are respectively matched with the screw rod and are in threaded connection, the first nut is arranged at the upper part of the screw rod, and the second nut and the third nut are arranged at the lower part of the screw rod; the bush is sleeved outside the screw rod and close to the lower end of the first nut, and the bush is movably sleeved with the screw rod. The utility model discloses an instrument has simple structure, easy dismounting, and the operation is swift, and labour saving and time saving can use repeatedly, practices thrift the cost to have and not changing or destroying the advantage that original equipment structure just can use.
Description
Technical Field
The utility model relates to a valve extracting tool art field, concretely relates to special extracting tool of pneumatic control valve membrane head.
Background
The receiving station is provided with a plurality of pneumatic regulating valves which are in a continuous moving and regulating state in the using process, have a plurality of moving parts and bear the impact of various forces such as unbalanced force of a medium, and various unexpected faults are inevitable. For example, the diaphragm of the pneumatic regulating valve has the problems of air leakage, bending of the valve rod, excessive resistance, serious deformation and the like, so that the pneumatic regulating valve needs to be disassembled for inspection and maintenance.
The membrane head among the large-scale pneumatic control valve of receiving station comprises diaphragm, a membrane section of thick bamboo, last membrane chamber, lower membrane chamber and spring, and diaphragm, spring mounting adopt 6 stainless steel bolts to fix in the inside in membrane chamber between the last membrane chamber of current membrane head and the lower membrane chamber, and wherein 3 stainless steel bolts have fixed effect, and 3 stainless steel bolts still have the installation debugging function except fixed function in addition. When the membrane head is overhauled and needs to be dismantled, firstly, 3 stainless steel bolts with fixing effect are sequentially dismantled, then, 3 stainless steel bolts with fixing and installation and debugging functions are dismantled through synchronous operation, because a spring is installed in the membrane head, when 3 stainless steel bolts are dismantled through synchronous operation, because the spring generates large stress action, the strength grade of the stainless steel bolt is 4.8-6.8, because the stress of the spring is overlarge, the problems of thread damage, thread gluing and the like easily occur when the bolt rotates in the dismantling process, hard dismantling is caused, destructive dismantling such as sawing is broken, the stainless steel bolts cannot be reused, time and labor are wasted, and the workload is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a special extracting tool of pneumatic control valve membrane head is provided, the membrane head of having solved current pneumatic control valve is dismantling the problem that screw thread damage, thread gluing appear easily at in-process stainless steel bolt.
In order to realize the purpose, the utility model discloses a technical scheme as follows: a special disassembling tool for a pneumatic adjusting valve membrane head comprises a high-strength bolt and a bushing, wherein the high-strength bolt comprises a screw rod, a first nut, a second nut and a third nut, the first nut, the second nut and the third nut are respectively matched and screwed with the screw rod, the first nut is arranged at the upper part of the screw rod, and the second nut and the third nut are arranged at the lower part of the screw rod; the bush cover is established the outside of screw rod and be close to the lower extreme of first nut, the bush with the screw rod activity is cup jointed.
Further, high strength bolt still includes the packing ring, the packing ring sets up first nut with between the bush, the packing ring with the screw rod matches and cup joints.
Furthermore, the high-strength bolt is made of No. 45 steel.
Further, the screw thread of the screw rod is a trapezoidal thread.
Further, the bushing is of a T-shaped structure and is made of stainless steel materials.
Further, the length of the bushing is less than 1/2 of the length of the bolt.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a special extracting tool of membrane head includes high strength bolt and bush, high strength bolt intensity level is high, dismantle the overhead stainless steel debugging bolt of original membrane through high strength bolt and bush replacement at the membrane head in-process, dismantle stainless steel fixing bolt and simultaneous operation in proper order again and dismantle high strength bolt, avoid original stainless steel debugging bolt to dismantle in-process screw thread damage, thread gluing scheduling problem, this special extracting tool simple structure, easy dismounting, the operation is swift, and is time-saving and labor-saving, can use repeatedly, and the cost is saved, and have and not changing or destroying the advantage that original equipment structure just can use.
Drawings
Fig. 1 is a schematic structural view of a special disassembling tool for a pneumatic regulating valve membrane head of the present invention;
fig. 2 is a schematic view of a use state of the special disassembling tool for the pneumatic control valve membrane head of the present invention;
fig. 3 is a schematic structural view of a stainless steel debugging bolt.
The reference numbers in the figures are: 1-high-strength bolt, 11-screw rod, 12-first nut, 13-second nut, 14-third nut, 15-washer, 2-bush, 3-membrane cylinder, 4-upper membrane cavity, 5-lower membrane cavity and 6-stainless steel fixing bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.
As shown in figure 1, the special disassembling tool for the pneumatic regulating valve membrane head comprises a high-strength bolt 1 and a lining 2, preferably, the high-strength bolt 1 is made of 45 # steel, the tensile strength of the 45 # steel is as high as 600MPa, the hardness of the 45 # steel is as high as HB246, and the strength grade of the high-strength bolt 1 is above 10.9. High strength bolt 1 includes screw rod 11, first nut 12, second nut 13, third nut 14 and packing ring 15, and the screw thread of preferred screw rod 11 is trapezoidal thread, and trapezoidal thread is under the same screw rod 11 diameter, and trapezoidal thread's pitch is big, and it is fast to dismantle the installation, has further reduced and has dismantled the installation time, improves work efficiency. The first nut 12, the second nut 13 and the third nut 14 are respectively matched and screwed with the screw rod 11, the first nut 12 is arranged at the upper part of the screw rod 11, and the second nut 13 and the third nut 14 are arranged at the lower part of the screw rod 11. The bush 2 is sleeved outside the screw rod 11 and is close to the lower end of the first nut 12, the bush 2 is movably sleeved with the screw rod 11, and the bush 2 mainly plays a role in righting and lining. The bush 11 is the T shape structure, the bush 11 is made by stainless steel material, and the bush 2 adopts stainless steel material to be difficult to rust, and can satisfy the operation requirement. In this embodiment, the length of the bushing 2 is preferably less than 1/2 of the length of the bolt 11. Washer 15 sets up first nut 12 with between the bush 2, washer 15 with screw rod 11 matches and cup joints, and washer 15 plays the protection bush effect, owing to dismantle the in-process comparatively hard, prevents that the spanner from extrudeing bush 2 and causing the damage to bush 2 when rotating first nut 12.
The utility model discloses a theory of operation does:
when the membrane is disassembled, the original 3 stainless steel bolts with debugging function on the membrane head are sequentially replaced by the high-strength bolts 1 sleeved with the bushings 2, the replaced state is as shown in figure 2, the screw rods 11 are inserted into the upper membrane cavity hole and the lower membrane cavity hole, the upper membrane cavity hole is sleeved with the bushings 2 and then sleeved with the gasket 15, the first nut 12 is screwed to fix the upper membrane cavity 4, the second nut 13 and the third nut 14 which are positioned at the upper end and the lower end of the lower membrane cavity are respectively screwed to fix the lower membrane cavity 3. After the three stainless steel debugging bolts with the debugging function are replaced, the structure of the stainless steel debugging bolts is shown in fig. 3, and the other 3 stainless steel fixing bolts 6 with the fixing function are sequentially detached. And (3) dismantling the first nut 12 at the upper part of the upper film cavity 4 by synchronous operation of a wrench, pushing the upper film cavity 4 to move upwards to slowly separate from the film barrel 3 under the stress action of a spring in the film head until the spring has no acting force, and completing the film head dismantling.
The maintenance is accomplished, during the installation membrane head, earlier concurrent operation is fixed the last diaphragm chamber 4 and the lower diaphragm chamber 5 of membrane head with 3 high strength bolt 1 and bush 2, then install fixed action's stainless steel fixing bolt 6 in proper order, the back is accomplished in the installation, demolish first nut 12 on the high strength bolt 1 in proper order with the spanner, dismantle high strength bolt 1 and bush 2, then will have the stainless steel debugging bolt replacement high strength bolt 1 and bush 2 of debugging function, accomplish the installation of membrane head.
The utility model discloses a special extracting tool of membrane head simple structure, easy dismounting, the operation is swift, and labour saving and time saving can use repeatedly and practice thrift the cost to have and not changing or destroying the advantage that original equipment structure just can use.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (6)
1. The utility model provides a special extracting tool of pneumatic control valve membrane head which characterized in that: the high-strength bolt comprises a screw rod, a first nut, a second nut and a third nut, wherein the first nut, the second nut and the third nut are respectively matched and screwed with the screw rod, the first nut is arranged at the upper part of the screw rod, and the second nut and the third nut are arranged at the lower part of the screw rod; the bush cover is established the outside of screw rod and be close to the lower extreme of first nut, the bush with the screw rod activity is cup jointed.
2. The special disassembling tool for the membrane head of the pneumatic regulating valve as claimed in claim 1, wherein: the high-strength bolt further comprises a washer, the washer is arranged between the first nut and the bushing, and the washer is in matched sleeve connection with the screw rod.
3. The special disassembling tool for the membrane head of the pneumatic regulating valve as claimed in claim 2, wherein: the high-strength bolt is made of No. 45 steel.
4. The special disassembling tool for the membrane head of the pneumatic regulating valve as claimed in claim 1, wherein: the screw thread of the screw rod is a trapezoidal thread.
5. The special disassembling tool for the pneumatic regulating valve membrane head as claimed in claim 1, wherein: the bushing is of a T-shaped structure and is made of stainless steel materials.
6. The special disassembling tool for the pneumatic regulating valve membrane head as claimed in claim 5, wherein: the length of the bushing is less than 1/2 of the length of the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221316075.7U CN218063634U (en) | 2022-05-27 | 2022-05-27 | Special dismounting tool for pneumatic regulating valve membrane head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221316075.7U CN218063634U (en) | 2022-05-27 | 2022-05-27 | Special dismounting tool for pneumatic regulating valve membrane head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218063634U true CN218063634U (en) | 2022-12-16 |
Family
ID=84434562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221316075.7U Active CN218063634U (en) | 2022-05-27 | 2022-05-27 | Special dismounting tool for pneumatic regulating valve membrane head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218063634U (en) |
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2022
- 2022-05-27 CN CN202221316075.7U patent/CN218063634U/en active Active
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