CN201884848U - Connecting device for sulfur hexafluoride gas insulated equipment - Google Patents
Connecting device for sulfur hexafluoride gas insulated equipment Download PDFInfo
- Publication number
- CN201884848U CN201884848U CN2010206394432U CN201020639443U CN201884848U CN 201884848 U CN201884848 U CN 201884848U CN 2010206394432 U CN2010206394432 U CN 2010206394432U CN 201020639443 U CN201020639443 U CN 201020639443U CN 201884848 U CN201884848 U CN 201884848U
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- connection set
- stationary part
- upper stationary
- lower fixture
- handle
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Abstract
The utility model relates to a connecting device for sulfur hexafluoride gas insulated equipment, comprising a lower-part fixing part and an upper-part fixing part, wherein the lower-part fixing part is arranged on a gas chamber interface of the insulated equipment; the upper-part fixing piece is communicated with the equipment interface of a testing instrument or a sulfur hexafluoride gas bottle; the gas chamber interface is communicated with the upper-part fixing part; the connecting device also comprises a caliper which is provided with a foundation handle, a lower-part clamping hoop, an upper-part clamping hoop and a self-locking mechanism, wherein the lower-part clamping hoop is fixed on the foundation handle and is matched with the lower-part fixing part; the upper-part clamping hoop is rotatably connected on the foundation handle and is matched with the upper-part fixing part; and the self-locking mechanism is used for locking the upper-part clamping hoop relative to the lower-part clamping hoop. By the self-locking mechanism of the caliper, the upper-part fixing piece and the lower-part fixing piece are connected tightly, no gas leakage is ensured, manual fastening is not needed, the manpower is saved, and simple, easy and fast connection between the sulfur hexafluoride gas insulated equipment and the testing instrument or between the sulfur hexafluoride gas insulated equipment and the sulfur hexafluoride gas bottle can be realized.
Description
Technical field
The utility model relates to electric field, especially a kind of connection set of sulfur hexafluoride gas-insulating equipment, and this connection set can provide connection in the gasmetry of carrying out sulfur hexafluoride gas-insulating equipment and tonifying Qi operation process.
Background technique
Sulfur hexafluoride gas is a kind of insulating gas commonly used, is applied in electric field widely.Usually, for the need of assessment apparatus state, the technician wants regularly to carry out various detections to the sulfur hexafluoride gas in the equipment air chamber, or crosses when hanging down when the discovering device air chamber pressure, must in time carry out the tonifying Qi operation.No matter be that gas is detected or the air chamber tonifying Qi, at first need the air chamber of equipment that test instrument or sulphur hexafluoride gas cylinder are connected to, and guarantee to connect and tightly do not leak.
The air chamber of existing sulfur hexafluoride gas-insulating equipment is band check valve core structure or preposition valve is arranged, and its main sealing means is two kinds of side seal and plane sealings.But because air chamber interface shape, the size of the insulator arrangement of each equipment manufacturer production are different, in order to guarantee that good gas circuit connects, current at present way is the characteristics at the devices from different manufacturers air chamber, process a cover switch transition head respectively and be used for the pipeline connection, and it is fastening by manual type, check valve or preposition valve are backed down to guarantee the gas circuit conducting, in operation, inconvenience is arranged.
The model utility content
Technical problem to be solved in the utility model is in the prior art, need guarantee the fastening of pipeline by manual type, and the deficiency of troublesome poeration proposes a kind of simple and easy to do Quick Connect Kit.
For achieving the above object, the technological scheme that the utility model adopted is: a kind of connection set of sulfur hexafluoride gas-insulating equipment, comprise the lower fixture on the air chamber interface that is arranged on insulator arrangement, the upper stationary part that is communicated with the equipment interface of test instrument or sulphur hexafluoride gas cylinder, be communicated with between described air chamber interface and the described upper stationary part, this connection set also comprises clamp, and described clamp have basic handle, be fixed on the bottom clip that cooperates with lower fixture on the described basic handle, be rotatably connected on the top clip that cooperates with upper stationary part on the described basic handle, be used for self-locking mechanism with the locking of the relative bottom of top clip clip.
The utlity model has following advantage: the self-locking mechanism by clamp can tightly be connected, guarantee upper stationary part air tight with lower fixture, and do not need manually fastening, save manpower, can realize simple and easy to do quick connection of sulfur hexafluoride gas-insulating equipment and test instrument or sulphur hexafluoride gas cylinder.
Description of drawings
Fig. 1 is when the air chamber of sulfur hexafluoride gas-insulating equipment is the side seal structure, the plan view of the connection set that the utility model proposes, and wherein clamp are in the state with lower fixture and upper stationary part engaging;
Fig. 2 is the sectional view of clamp, and wherein clamp are in releasing state;
Fig. 3 removes outside the clamp broken away view of other parts among Fig. 1;
Fig. 4 is the broken away view of another lower fixture;
Fig. 5 is when the air chamber of sulfur hexafluoride gas-insulating equipment is plane sealing structure, the plan view of the connection set that the utility model proposes, and wherein clamp are in the state with lower fixture and upper stationary part engaging;
Fig. 6 removes outside the clamp broken away view of other parts among Fig. 5;
Fig. 7 is the plan view of the upper stationary part of Fig. 6.
Embodiment
[embodiment one]
Referring to Fig. 1 to Fig. 4 is first embodiment of the present utility model, is applicable to that the air chamber when sulfur hexafluoride gas-insulating equipment is the situation of side seal.
Referring to the plan view of connection set shown in Figure 1, this connection set comprises lower fixture 1, upper stationary part 2 and clamp 3.Described lower fixture 1 is arranged on the air chamber interface 5 of insulator arrangement; Described upper stationary part 2 is communicated with the equipment interface of test instrument or sulphur hexafluoride gas cylinder, can peg graft and be communicated with between described air chamber interface 5 and the upper stationary part 2.Described clamp 3 have basic handle 30, be fixed on the bottom clip 31 that cooperates with lower fixture 1 on the described basic handle 30, be rotatably connected on the top clip 32 that cooperates with upper stationary part 2 on the described basic handle 30, and described clamp 3 also comprise the self-locking mechanism 33 that is used for 31 lockings of top clip 32 relative bottom clips.Below will be described in detail above-mentioned each parts.
Referring to clamp shown in Figure 23, described self-locking mechanism 33 comprises the flexible handle 34 that is rotationally connected with top clip 32, also comprises connecting rod 35, and an end and the flexible handle 34 of described connecting rod 35 is rotationally connected, the other end and described basic handle 30 are rotationally connected.Described basic handle 30, top clip 32, flexible handle 34, connecting rod 35 are formed quadrangular mechanism, when the rotating shaft of the relative top of connecting rod 35 clip 32 and flexible handle 34 during, be tending towards between top clip 32 and the bottom clip 31 locking, being difficult for opening more near basic handle 30 with the rotating shaft of flexible handle 34.By the self-locking of clamp 3, can guarantee that upper stationary part 2 and lower fixture 1 are in fastening state.These clamp 3 are easy to use, only need depress flexible handle 34 to the self-locking that just can realize clamp 3 near basic handle 30, referring to Fig. 1; Draw back flexible handle 34 to the release that just can realize clamp 3 away from basic handle 30, referring to Fig. 2.Also be connected with release lever 37 on the described flexible handle 34, when release, stir release lever 37 and can make flexible handle 34, compare that directly to draw back flexible handle 34 more laborsaving away from basic handle 30.Because the setting of self-locking mechanism 33 does not need manually additionally lower fixture 1 and upper stationary part 2 to be locked.
Remove outside the clamp 3 broken away view of other parts referring to Fig. 3 for Fig. 1.
Described lower fixture 1 screw thread revolves the outside that is located at air chamber interface 5, and described bottom clip 31 can engage with this lower fixture 1 outer side wall.Check valve in the described air chamber interface 5 has spool 51, and under nature, described spool 51 is closed air chamber interface 5, has only when spool 51 is triggered, and air chamber interface 5 can be opened.
The outside of described upper stationary part 2 forms groove 20, and described top clip 32 can engage with described groove 20; Described upper stationary part 2 also has the air guide channel 21 that runs through its thickness, has O type circle 22 in this air guide channel 21.
Upper stationary part 2 among Fig. 3 is used for being communicated with the equipment interface of test instrument or sulphur hexafluoride gas cylinder, also needs to make an adaptor 4.Described adaptor 4 comprises body 41, is arranged on the connecting tube 42 of described body 41 sides, and described connecting tube 42 is communicated with equipment interface.Have the air guide through hole 40 that runs through its thickness in the described body 41, described connecting tube 42 is communicated with air guide through hole 40.The top of described upper stationary part 2 has internal thread 23, and described internal thread 23 is the part of air guide channel 21; The bottom of described adaptor 4 has the outside thread 43 with described internal thread 23 couplings.Air guide through hole 40 sidewalls between described connecting tube 42 and the described outside thread 43 have the projecting inward ring platform 44 of guide vent hole 40; The top seal of described air guide through hole 40 is inserted with Sealing 45, and described Sealing 45 can be fitted with described ring platform 44 in the deep enough described air guide through hole 40, and air guide this moment through hole 40 disconnects.Described Sealing 45 is connected with the screw top of air guide through hole 40.
The bottom of described air guide channel 21 also is inserted with crossover sub 6.The outer side wall of described crossover sub 6 and air guide channel 21 sealings are fitted, and the outer side wall sealing of the madial wall of described crossover sub 6 and air chamber interface 5 is fitted, and the madial wall of described crossover sub 6 also has O type circle 63.In the described crossover sub 6, the top that is positioned at O type circle 63 has horizontal platform 61, offers the pore 62 that is communicated with horizontal platform 61 both sides air guide channels 21 on the described horizontal platform 61.When described horizontal platform 61 is conflicted with spool 51, continue to press down upper stationary part 2, spool 51 can be pushed open, make air chamber interface 5 open.
Described lower fixture 1 is an assembly, comprise the medial side part 11 that is threaded with air chamber interface 5 outer side walls, the outer member 12 that is positioned at described medial side part 11 bottoms, described outer member 12 relative inner parts 11 have bigger peripheral dimension, and interior all sizes of described outer member 12 are less than the peripheral dimension of medial side part 11.Under some occasion, described outer member 12 also has internal thread.The exterior bottom of described medial side part 11 has step, the inside top coupling of this step and outer member 12, thus guarantee that outer member 12 can not move up.The outside of described outer member 12 has the groove 120 that can cooperate with bottom clip 31.
This lower fixture 1 is designed to assembly, makes outer member 12 all can use in the occasion of different air chamber interface 5 sizes.When air chamber interface 5 sizes are big, only adopt an outer member 12 to revolve to be located on the air chamber interface 5 and can cooperate bottom clip 31; When air chamber interface 5 sizes hour, can put an outer member 12 earlier, adopting a medial side part 11 to revolve again is located on the air chamber interface 5, during use, make bottom clip 31 cooperate outer member 12 to get final product (lower fixture 1 size that the combination of outer member 12 and medial side part 11 at this moment is user's actual need).For knockdown lower fixture 1, as long as the same clamp 3 of air chamber interface 5 uses that outer member 12 can cooperate with bottom clip 31, medial side part 11 can be guaranteed not move up outer member 12 (being the inside dimensions of the side dimension of medial side part 11 greater than outer member 12) promptly reach different size carry out purpose of connecting.Adopt knockdown lower fixture 1, only needing to design different medial side part 11 at undersized air chamber interface 5 gets final product, and do not need to design separately a complete lower fixture 1, can reach the purpose of economical with materials, weight reduction, minimizing placing space.
Referring to Fig. 4, under some occasion, if air chamber interface 5 is small-sized, can between medial side part 11, outer member 12, use transition piece 13, interior all sizes of transition piece 13 are less than the peripheral dimension of the peripheral dimension of medial side part 11, the transition piece 13 interior all sizes greater than outer member 12.Certainly, this transition piece 13 can be the medial side part 11 among Fig. 3.Use 3 assemblies to form lower fixture 1, increase under the little situation, can further optimize the adaptability of lower fixture 1 in material, placing space.
The using method of above-mentioned connection set:
The first step by cooperating of outside thread 43 and internal thread 23, is connected the bottom of adaptor 4 with the top seal of upper stationary part 2, upwards turn Sealing 45 to Sealing 45 and ring platform 44 breaks away from, and makes 40 conductings of air guide through hole; Crossover sub 6 inserts air guide channel 21; Connecting tube 42 is connected with equipment interface.
Second goes on foot, lower fixture 1 is revolved be located on the air chamber interface 5, if lower fixture 1 is an assembly, and then first sheathed outer member 12, sheathed transition piece 13 revolves medial side part 11 and is located at air chamber interface 5.
In the 3rd step, air chamber interface 5 is inserted crossover sub 6.
The 4th step, utilize the top clip 32 of clamp 3 to snap in the groove 20 of upper stationary part 2, the outer member 12 that bottom clip 31 snaps in lower fixture 1, make self-locking mechanism 33 lock, horizontal platform 61 presses down spool 51, and air chamber interface 5 is opened.
[embodiment two]
Referring to Fig. 5 to Fig. 7 is second embodiment of the present utility model, is applicable to that the air chamber when sulfur hexafluoride gas-insulating equipment is the situation of plane sealing.
Referring to the plan view of connection set shown in Figure 5, this connection set comprises lower fixture 1, upper stationary part 2 and clamp 3 equally.Described lower fixture 1 is fixed on the air chamber interface 5 of insulator arrangement; Described upper stationary part 2 is communicated with the equipment interface of test instrument or sulphur hexafluoride gas cylinder, is communicated with between described air chamber interface 5 and the upper stationary part 2.Described clamp 3 are identical with clamp 3 structures among Fig. 1, Fig. 2.
Remove outside the clamp 3 broken away view of other parts referring to Fig. 6 for Fig. 5.
Described lower fixture 1 is tabular, and is one-body molded with air chamber interface 5, offers the gas port 16 that runs through its thickness on the described lower fixture 1, and the end face of described lower fixture 1 has the O type circle 15 around described gas port 16.Also offer at least two positioning holes 14 on the described lower fixture 1, in the present embodiment, positioning hole 14 is two.
Described upper stationary part 2 also is tabular, offers the internal thread 23 of impenetrating thickness on this upper stationary part 2, revolves with adaptor 4 identical among Fig. 3 to be located in the internal thread 23.Also be provided with the locating piece 24 that is complementary with positioning hole 14 on the described upper stationary part 2.
In conjunction with Fig. 6 and Fig. 7, described locating piece 24 is the combination of socket head screw and nut.Offer slotted hole 25 on the described upper stationary part 2, described socket head screw is located in the described slotted hole 25, and the bearing of trend of described slotted hole 25 overlaps.When the relative socket head screw of nut unclamped, socket head screw can slide in slotted hole 25, adapts to the diverse location of positioning hole 14 thus; When socket head screw moves to the precalculated position, adopt spanner to pass positioning hole 14 and screw socket head screw, can realize the location of locating piece 24 on upper stationary part 2.This upper stationary part 2 can adapt to the positioning hole 14 of diverse location.The end face of described upper stationary part 2 also offers the groove 26 that is used to hold nut.
The using method of this connection set and embodiment one are roughly the same,
The first step by cooperating of outside thread 43 and internal thread 23, is connected the bottom of adaptor 4 with the top seal of upper stationary part 2, upwards turn Sealing 45 to Sealing 45 and ring platform 44 breaks away from, and makes 40 conductings of air guide through hole; Connecting tube 42 is connected with equipment interface.
Second step, gas port 16 is aimed at air guide channel 40, regulate locating piece 24 to the position of aiming at positioning hole 14.
The 3rd step, groove 20, the bottom clip 31 that utilizes the top clip 32 of clamp 3 to snap in upper stationary part 2 blocks air chamber interface 5 and is resisted against on the lower fixture 1, fitting tightly of upper stationary part 2 and lower fixture 1 guaranteed in self-locking mechanism 33 lockings, opens the preposition valve on the air chamber interface 5.
Though the utility model with preferred embodiment openly as above; but it is not to be used for limiting claim; any those skilled in the art are not in breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection domain of the present utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (10)
1. the connection set of a sulfur hexafluoride gas-insulating equipment, comprise the lower fixture on the air chamber interface that is arranged on insulator arrangement, the upper stationary part that is communicated with the equipment interface of test instrument or sulphur hexafluoride gas cylinder, be communicated with between described air chamber interface and the described upper stationary part, it is characterized in that, this connection set also comprises clamp, and described clamp have basic handle, be fixed on the bottom clip that cooperates with lower fixture on the described basic handle, be rotatably connected on the top clip that cooperates with upper stationary part on the described basic handle, be used for self-locking mechanism with the locking of the relative bottom of top clip clip.
2. connection set as claimed in claim 1, it is characterized in that, described self-locking mechanism comprises the flexible handle that is rotationally connected with the top clip, also comprise connecting rod, one end and the flexible handle of described connecting rod is rotationally connected, the other end and described basic handle are rotationally connected described basic handle, top clip, flexible handle, connection rod set quadrangularly mechanism.
3. connection set as claimed in claim 2 is characterized in that, is connected with release lever on the described flexible handle.
4. connection set as claimed in claim 2 is characterized in that, the adjustable lever that has been threaded on the described basic handle, and described connecting rod and adjustable lever are rotationally connected.
5. connection set as claimed in claim 1 is characterized in that this connection set also comprises adaptor, and described adaptor is communicated with described equipment interface with upper stationary part.
6. connection set as claimed in claim 1 is characterized in that, the outside of described upper stationary part forms groove, and described top clip engages with described groove.
7. connection set as claimed in claim 6 is characterized in that described upper stationary part has the air guide channel that runs through its thickness, has O type circle in this air guide channel; The bottom of described air guide channel is inserted with crossover sub, and the outer side wall of described crossover sub and air guide channel sealing are fitted, and the outer side wall sealing of the madial wall of described crossover sub and air chamber interface is fitted, and the madial wall of described crossover sub also has O type circle.
8. connection set as claimed in claim 7 is characterized in that, the top of O type circle has horizontal platform in the described crossover sub, offers the pore that is communicated with Heng Tai both sides air guide channel on the described horizontal platform.
9. connection set as claimed in claim 1, it is characterized in that described lower fixture is tabular, and is one-body molded with the air chamber interface, offer the gas port that runs through its thickness on the described lower fixture, the end face of described lower fixture has the O type circle around described gas port.
10. connection set as claimed in claim 9 is characterized in that, offers at least two positioning holes on the described lower fixture, also is provided with the locating piece that is complementary with positioning hole on the upper stationary part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206394432U CN201884848U (en) | 2010-12-02 | 2010-12-02 | Connecting device for sulfur hexafluoride gas insulated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206394432U CN201884848U (en) | 2010-12-02 | 2010-12-02 | Connecting device for sulfur hexafluoride gas insulated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884848U true CN201884848U (en) | 2011-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206394432U Expired - Lifetime CN201884848U (en) | 2010-12-02 | 2010-12-02 | Connecting device for sulfur hexafluoride gas insulated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486245A (en) * | 2010-12-02 | 2012-06-06 | 华东电力试验研究院有限公司 | Connecting device of sulfur hexafluoride gas insulating equipment |
| CN104154356A (en) * | 2014-07-23 | 2014-11-19 | 国家电网公司 | Joint for measuring sulfur hexafluoride water content of unit switch |
-
2010
- 2010-12-02 CN CN2010206394432U patent/CN201884848U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486245A (en) * | 2010-12-02 | 2012-06-06 | 华东电力试验研究院有限公司 | Connecting device of sulfur hexafluoride gas insulating equipment |
| CN102486245B (en) * | 2010-12-02 | 2015-08-19 | 华东电力试验研究院有限公司 | The connection set of sulfur hexafluoride gas insulation equipment |
| CN104154356A (en) * | 2014-07-23 | 2014-11-19 | 国家电网公司 | Joint for measuring sulfur hexafluoride water content of unit switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
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| CX01 | Expiry of patent term |