CN204962093U - Oil filter tube coupling head - Google Patents

Oil filter tube coupling head Download PDF

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Publication number
CN204962093U
CN204962093U CN201520739987.9U CN201520739987U CN204962093U CN 204962093 U CN204962093 U CN 204962093U CN 201520739987 U CN201520739987 U CN 201520739987U CN 204962093 U CN204962093 U CN 204962093U
Authority
CN
China
Prior art keywords
link
connecting piece
hand member
oil filter
auxiliary section
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.)
Expired - Fee Related
Application number
CN201520739987.9U
Other languages
Chinese (zh)
Inventor
张丽
衷新平
吕尊堂
杨峰
马腾
梁奉山
张贤秋
文勇
苏海龙
欧阳英华
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.)
STATE GRID SHANDONG JIAXIANG COUNTY POWER SUPPLY Co
State Grid Corp of China SGCC
Original Assignee
STATE GRID SHANDONG JIAXIANG COUNTY POWER SUPPLY Co
State Grid Corp of China SGCC
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 STATE GRID SHANDONG JIAXIANG COUNTY POWER SUPPLY Co, State Grid Corp of China SGCC filed Critical STATE GRID SHANDONG JIAXIANG COUNTY POWER SUPPLY Co
Priority to CN201520739987.9U priority Critical patent/CN204962093U/en
Application granted granted Critical
Publication of CN204962093U publication Critical patent/CN204962093U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an oil filter tube coupling head, including first connecting piece to fourth connecting piece, the dress is joined in marriage and through the tightening nut fastening to the right -hand member of first connecting piece and the left end fixed connection of second connecting piece, the right -hand member and the third connecting piece machinery of second connecting piece, and the right -hand member of third connecting piece passes behind the through -hole of tightening nut the left end fixed connection with the fourth connecting piece, machinery between second connecting piece and the third connecting piece is joined in marriage the dress and is included platform assembly portion and conical surface assembly portion, and the dress is joined in marriage on the outer periphery of second connecting piece and third connecting piece to the tightening nut screw. The utility model is used for connect transformer and vacuum oil filter, shortened and strained the oil pipe way connect hours, make no longer oil leak of interface, reduced the stoppage in transit number of times of oil filter, improved the security of oil filter operation greatly, ensured electrical equipment's safe operation.

Description

Oil filter pipe joint
Technical field
The utility model relates to technical field of pipeline connection, particularly a kind of pipe joint being applied to oil filter.
Background technique
In electric substation, the new transformer equipment installed needs to carry out vacuum oil and carries out Circulation and Hot Oil Spray.Vacuum oil and Circulation and Hot Oil Spray operation must adopt vacuum oil-filter and pressure oil filter to carry out, and this just needs transformer and vacuum oil-filter and pressure oil filter to be coupled together by pipeline and connecting head.Our vacuum oil-filter used and pressure oil filter pipe joint are all the connecting heads alive of succession at present, because transformer is connected more complicated with the docking port of vacuum oil-filter and pressure oil filter, three interfaces are at least needed to be docking together, therefore have that balance when connecting not easily is grasped, easily misplaced, waste time and energy in assembly and connection process, sometimes also need problems such as repeatedly connecting, this just causes the time of each assembly and connection all more than 20 minutes, can have impact on job schedule greatly.In addition, because oil filter pipe joint model is more, the Silk Road is not mated, and needs to be wound around a large amount of raw meal belts in connection procedure, thus brings very large difficulty to the connection of pipeline, causes connection procedure abnormal loaded down with trivial details; Add that oil filter pipeline tube coupling mouth is of poor quality, wall is thin, be especially easily out of shape after installing and removing through using and adopt pipe wrench for a long time, therefore often there will be in using process because pipeline connects the closely oil accident occurred.
Model utility content
It is simple, easy to assembly that the utility model technical issues that need to address are to provide a kind of structure, the oil filter pipe joint that can effectively prevent oil leakage phenomenon from occurring.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
Oil filter pipe joint, comprise the first link to the 4th link, the right-hand member of described first link is fixedly connected with the left end of the second link, the right-hand member of the second link and the 3rd link machinery is equipped and tightening nut that is that be fitted on the second link and the 3rd link outer peripheral surface by screw thread is fastening, the right-hand member of the 3rd link is fixedly connected with the left end of the 4th link through after the through hole of tightening nut;
Described second link comprises main part and auxiliary section from left to right, auxiliary section comprises lower bolster auxiliary section and lower cone match portion, main part and lower bolster auxiliary section pipe thickness and internal diameter corresponding, the left end in lower cone match portion connects with the right-hand member of lower bolster auxiliary section, the right-hand member in lower cone match portion connects with main part inner tube wall, for external diameter is greater than main part pipe external diameter and be provided with externally threaded annular relief between described main part and lower bolster auxiliary section;
Described 3rd link comprises upper mounting plate department of assembly, upper conical surface department of assembly and connecting section from left to right, and the lower bolster auxiliary section of upper mounting plate department of assembly and the second link is equipped with up and down, and the lower cone match portion of upper conical surface department of assembly and the second link is equipped with up and down;
Described tightening nut comprises internal threaded end and through-hole section, the inner peripheral surface of internal threaded end is provided with the internal thread be equipped with mutually with the outside thread in the second link annular relief, the left end of through-hole section is installed on internal threaded end right-hand member, through-hole section through the 3rd link connecting section and with connecting section interference fit.
Above-mentioned oil filter pipe joint, described first link is fixedly connected with by welding manner with between the second link and between the 3rd link with the 4th link.
Above-mentioned oil filter pipe joint, the right part excircle of described 4th link is provided with the outside thread of oil filter steel wire oil pipe connection.
Owing to have employed above technological scheme, acquired by the utility model, technological progress is as follows.
The utility model structure is simple, easy to assembly, the time that pipeline connects can be reduced to 6 minutes in the longest 28 minutes by what adopt traditional union to connect, substantially reduce the oil strain pipeline connect hours, also shorten oil filtration time simultaneously, save human and material resources and financial resources; Second link and the 3rd link adopt the emboss pit of Bamboo-shaped to be connected and cone match mode, make to connect very firmly between tube coupling mouth and connecting head, closely, avoid the generation of oil leakage phenomenon.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the second link described in the utility model;
Fig. 3 is the structural representation of the 3rd link described in the utility model;
Fig. 4 is the structural representation of tightening nut described in the utility model;
Fig. 5 is the structural representation of block head described in the utility model.
Wherein: 1. the first link, 2. the second link, 21. main parts, 22. annular relief, 23. lower bolster auxiliary sections, 24. times cone match portions, 3. the 3rd link, 31. upper mounting plate departments of assembly, on 32. conical surface department of assembly, 33. connecting section, 4. tightening nut, 41. internal threaded end, 42. through-hole section, 5. the 4th link, 6. the first welding zone, 7. the second welding zone, 8. block head, 81. screw threads are equipped with portion, 82. conical surface closure parts.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.
A kind of oil filter pipe joint, its structure as shown in Figure 1, comprise the first link to the 4th link, the right-hand member of the first link 1 is fixedly connected with by welding manner with the left end of the second link 2, and forms the first annular welding zone 6 in the joint of the first link 1 and the second link 2; The right-hand member of the second link 2 and the 3rd link 3 machinery is equipped with and to pass through tightening nut 4 fastening, tightening nut 4 screw thread is fitted on the second link and the 3rd link outer peripheral surface, the right-hand member of the 3rd link 3 is fixedly connected with by welding manner with the left end of the 4th link 5 through after the through hole of tightening nut, and forms the second annular welding zone 7 in the joint of the 3rd link and the 4th link; The right part excircle of the 4th link 5 is provided with outside thread, for connecting oil filter steel wire oil pipe.
The structure of the second link 2 as shown in Figure 2, comprise main part 21 and auxiliary section from left to right, auxiliary section comprises lower bolster auxiliary section 23 and lower cone match portion 24, main part and lower bolster auxiliary section pipe thickness and internal diameter corresponding, the left end in lower cone match portion 24 connects with the right-hand member of lower bolster auxiliary section 23, and the right-hand member in lower cone match portion 24 connects with main part 21 inner tube wall; For external diameter is greater than main part pipe external diameter and be provided with externally threaded annular relief 22 between main part and lower bolster auxiliary section, annular relief is used for being equipped with tightening nut screw thread.
The structure of the 3rd link 3 as shown in Figure 3, comprise upper mounting plate department of assembly 31, upper conical surface department of assembly 32 and connecting section 33 from left to right, the lower bolster auxiliary section about 23 of upper mounting plate department of assembly 31 and the second link is equipped with, and the lower cone match portion about 24 of upper conical surface department of assembly 32 and the second link is equipped with; Make to be formed between the 3rd link and the second link inclined-plane to be sealed and matched and platform excessively coordinates, be convenient to tightening nut and the 3rd link and the second link are assembled together securely.
The structure of tightening nut 4 as shown in Figure 4, comprise internal threaded end 41 and through-hole section 42, the inner peripheral surface of internal threaded end 41 is provided with the internal thread be equipped with mutually with the outside thread in the second link annular relief, the left end of through-hole section 42 is installed on internal threaded end 41 right-hand member, through-hole section 42 through the 3rd link connecting section 33 and with connecting section interference fit.
In the utility model, when being not used in connection transformer and oil filter pipeline, block head 8 can be equipped with by line seal at the right-hand member of the second link.As shown in Figure 5, the screw thread comprising into a single integrated structure setting is from left to right equipped with portion 81 and conical surface closure part 82 to the structure of block head 8; The structure that screw thread is equipped with portion 81 is identical with the structure of tightening nut internal threaded end; The lower cone match portion of equipped second link in conical surface closure part 82.

Claims (3)

1. oil filter pipe joint, it is characterized in that: comprise the first link to the 4th link, the right-hand member of described first link (1) is fixedly connected with the left end of the second link (2), the right-hand member of the second link (2) and the 3rd link (3) machinery is equipped and tightening nut (4) that is that be fitted on the second link and the 3rd link outer peripheral surface by screw thread is fastening, the right-hand member of the 3rd link (3) is fixedly connected with the left end of the 4th link (5) through after the through hole of tightening nut;
Described second link (2) comprises main part (21) and auxiliary section from left to right, auxiliary section comprises lower bolster auxiliary section (23) and lower cone match portion (24), main part and lower bolster auxiliary section pipe thickness and internal diameter corresponding, the left end of lower cone match portion (24) connects with the right-hand member of lower bolster auxiliary section (23), the right-hand member of lower cone match portion (24) connects with main part (21) inner tube wall, for external diameter is greater than main part pipe external diameter and be provided with externally threaded annular relief (22) between described main part and lower bolster auxiliary section;
Described 3rd link (3) comprises upper mounting plate department of assembly (31), upper conical surface department of assembly (32) and connecting section (33) from left to right, upper mounting plate department of assembly (31) is equipped with up and down with the lower bolster auxiliary section (23) of the second link, and the lower cone match portion (24) of upper conical surface department of assembly (32) and the second link is equipped with up and down;
Described tightening nut (4) comprises internal threaded end (41) and through-hole section (42), the inner peripheral surface of internal threaded end (41) is provided with the internal thread be equipped with mutually with the outside thread in the second link annular relief, the left end of through-hole section (42) is installed on internal threaded end (41) right-hand member, through-hole section (42) through the 3rd link connecting section (33) and with connecting section interference fit.
2. oil filter pipe joint according to claim 1, is characterized in that: described first link is fixedly connected with by welding manner with between the second link and between the 3rd link with the 4th link.
3. oil filter pipe joint according to claim 1, is characterized in that: the right part excircle of described 4th link is provided with the outside thread of oil filter steel wire oil pipe connection.
CN201520739987.9U 2015-09-23 2015-09-23 Oil filter tube coupling head Expired - Fee Related CN204962093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520739987.9U CN204962093U (en) 2015-09-23 2015-09-23 Oil filter tube coupling head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520739987.9U CN204962093U (en) 2015-09-23 2015-09-23 Oil filter tube coupling head

Publications (1)

Publication Number Publication Date
CN204962093U true CN204962093U (en) 2016-01-13

Family

ID=55057161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520739987.9U Expired - Fee Related CN204962093U (en) 2015-09-23 2015-09-23 Oil filter tube coupling head

Country Status (1)

Country Link
CN (1) CN204962093U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107725920A (en) * 2017-08-22 2018-02-23 国家电网公司 Oil filter pipeline simple and fast attachment means
CN110524034A (en) * 2019-07-31 2019-12-03 大连长丰实业总公司 A kind of 60 ° of aircraft ozzle conical surface countersinks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107725920A (en) * 2017-08-22 2018-02-23 国家电网公司 Oil filter pipeline simple and fast attachment means
CN110524034A (en) * 2019-07-31 2019-12-03 大连长丰实业总公司 A kind of 60 ° of aircraft ozzle conical surface countersinks

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160113

Termination date: 20160923