CN208862521U - A kind of switch inlet-outlet sleeve - Google Patents
A kind of switch inlet-outlet sleeve Download PDFInfo
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- CN208862521U CN208862521U CN201821604944.XU CN201821604944U CN208862521U CN 208862521 U CN208862521 U CN 208862521U CN 201821604944 U CN201821604944 U CN 201821604944U CN 208862521 U CN208862521 U CN 208862521U
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- sleeve body
- sleeve
- switch
- gas tank
- conducting rod
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Abstract
The utility model discloses a kind of switch inlet-outlet sleeves, including connecting terminal and sleeve body, the through-hole being arranged along its axial direction is equipped in described sleeve pipe ontology, the middle part of sleeve body is equipped with step, the seal groove for installing sealing ring two is offered at step, one end of sleeve body is in inside switch gas tank, another end is stretched out from switch gas tank, and the stepped locations of sleeve body are in switch gas tank and offset, sealing ring two is between the step of sleeve body and switch gas tank, the beneficial effects of the utility model are: structurally reasonable, stable connection, creepage distance is big, good insulation preformance, weather resistance is excellent, still there is good electrical performance under outdoor bad weather, sealed reliable, it is durable.
Description
Technical field
The utility model is a kind of switch inlet-outlet sleeve.
Background technique
In power supply system, especially in rural power grids distribution system, on-pole switch equipment, which is that one kind is extremely common, electrically to be set
Standby, outside line is introduced into switchgear, is drawing switchgear by master switch, outside line and the connection of switchgear are generally logical
High-tension cable is crossed to connect with casing tube for switch equipment bus, because casing generally stretches out switchgear, insulation cut-off is air, and
Since it is outdoor equipment, so the requirement to the casing of inlet-outlet line is relatively high, conventional epoxies casing cannot be met the requirements,
For outdoor bad weather bad adaptability, the insulation resin aging of casing is again inevitable, will all reduce the dielectric level of bus,
Jeopardize the normal use of switchgear.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of switch inlet-outlet sleeve
Problem.
To achieve the above object, the utility model provides the following technical solutions:
A kind of switch inlet-outlet sleeve, including connecting terminal and sleeve body, described sleeve pipe ontology is interior to be equipped with along its axial direction
The through-hole of direction setting, the middle part of sleeve body are equipped with step, and the seal groove for installing sealing ring two, set are offered at step
One end of tube body is in inside switch gas tank, and another end is stretched out from switch gas tank, and the stepped locations of sleeve body are in and open
It closes gas tank to offset, sealing ring two is between the step of sleeve body and switch gas tank；
Conducting rod is installed, one end of conducting rod has for connecting with wiring mechanism in the intrinsic through-hole of described sleeve pipe
Screw thread, the another end of conducting rod is equipped with step, offers seal groove on step, the right end of the end of thread of conducting rod from sleeve body
It is inserted into the through-hole in sleeve body, the step of conducting rod and the end of sleeve body contradict, and limited step and casing sheet
Sealing ring four is installed between body end portion, is also equipped with sealing ring three between the opening and conducting rod of sleeve body.
As a further solution of the present invention: the exposed aerial part of the surface of described sleeve pipe ontology is not with right
Claim full skirt, the part that sleeve body is in switch gas tank has small full skirt.
Described sleeve pipe ontology is made of high strength electroceramice insulating materials as a further solution of the present invention,.
The wiring mechanism includes connecting terminal, the end of connecting terminal as a further solution of the present invention,
It is inserted into sleeve body and is connected through a screw thread with conducting rod, sealing ring one is installed between connecting terminal and sleeve body,
The outside of connecting terminal is fixed with seal cap, and seal cap is coated on the opening of sleeve body, and seal cap and sleeve body it
Between be also equipped with washer.
Described connecting terminal one end extrusion forming forms laminated structure as a further solution of the present invention, and
Connecting hole there are two being opened up at laminated structure.
The wiring mechanism includes cable as a further solution of the present invention, and the end of cable is with cone
The opening of shape step, type conical bench and sleeve body offsets, the metal core in cable extend into sleeve body and with conduction
Bar is fixedly connected, and is also equipped with adjusting washer (disk), spring washer and thick washer between the metal core and conducting rod in cable, is hit by a bullet
Spring washer is between adjusting washer (disk) and thick washer, and the through-hole of cable and sleeve body is interference fitted.
Compared with prior art, the utility model has the beneficial effects that structurally reasonable, stable connection, creepage distance are big, absolutely
Edge performance is good, and weather resistance is excellent, still has good electrical performance under outdoor bad weather, and sealed reliable is durable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for switching inlet-outlet sleeve (wiring mechanism is connecting terminal).
Fig. 2 is the attachment structure schematic diagram of a kind of switch inlet-outlet sleeve and switch gas tank.
Fig. 3 is a kind of structural schematic diagram for switching inlet-outlet sleeve (wiring mechanism is cable).
In figure: 1- connecting terminal, 2- washer, 3- sealing ring one, 4- conducting rod, 5- sleeve body, 6- sealing ring two, 7- are close
Washer, 13- switch gas tank after seal three, 8- sealing ring four, 9- cable, 10- adjusting washer (disk), 11- spring washer, 12-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Please refer to Fig. 1~2, in the utility model embodiment, a kind of switch inlet-outlet sleeve, including connecting terminal 1 and set
Tube body 5, described sleeve pipe ontology 5 is interior to be equipped with the through-hole being arranged along its axial direction, and the middle part of sleeve body 5 is equipped with step, platform
The seal groove for installing sealing ring 26 is offered at rank, one end of sleeve body 5 is in inside switch gas tank 13, another end
It is stretched out from switch gas tank 13, and the stepped locations of sleeve body 5 are in switch gas tank 13 and offset, sealing ring 26 is in casing
Between the step and switch gas tank 13 of ontology 5, it is noted that be not to realize sleeve body 5 and switch gas tank 13 by step herein
Fixation, in fact, sleeve body 5 is fixed on by dedicated fastener on switch gas tank 13；
Sleeve body 5 has asymmetry on part (the i.e. exposed aerial part) surface outside switch gas tank 13
Full skirt, for improving the creepage distance of material, with good weatherability, and sleeve body 5 is in switch gas tank 13
Part has small full skirt, can be symmetrical, or asymmetric formula, for increase sleeve body 5 climb it is electric away from
From and insulation performance；
Conducting rod 4 is installed, conducting rod 4 is also according to inlet-outlet line difference, structure in the through-hole in described sleeve pipe ontology 5
Different, one end of conducting rod 4 has the screw thread for connecting with wiring mechanism, conductive convenient for being attached with wiring mechanism
The another end of bar 4 is equipped with step, offers seal groove on step, the right end of the end of thread from the sleeve body 5 of conducting rod 4 is inserted into set
In through-hole in tube body 5, so that guarantee that the insertion depth of conducting rod 4 reaches sets requirement, therefore, just it is set on conducting rod 4
There are step, the end conflict of step and sleeve body 5, and sealing ring is installed between 5 end of limited step and sleeve body
48, the seal groove opened up on step is used to install sealing ring 48, also pacifies between the opening and conducting rod 4 of sleeve body 5
Equipped with sealing ring 37, sealing ring 37 and sealing ring 48 form secondary seal, and secondary seal structure herein is for guaranteeing casing
The air-tightness of ontology 5.
Further, described sleeve pipe ontology 5 is made of high strength electroceramice insulating materials, corrosion-resistant, ageing-resistant, uses the longevity
Life length.
Embodiment 2
The present embodiment is mainly that the structure of butted line mechanism is further described, and common customer butted line mechanism wants
It asks are as follows: using connecting terminal 1 or use cable 9, carry out slitting here and be described as follows:
(1) Fig. 1~2 are please referred to, when wiring mechanism is connecting terminal 1, i.e., the described wiring mechanism includes connecting terminal 1,
The end of connecting terminal 1 is inserted into sleeve body 5 and is connected through a screw thread with conducting rod 4, connecting terminal 1 and sleeve body 5
Between sealing ring 1 is installed, the outside of connecting terminal 1 is fixed with seal cap, and seal cap is coated on the opening of sleeve body 5
Place, and washer 2 is also equipped between seal cap and sleeve body 5, also there is secondary seal structure herein, i.e., in sleeve body 5
Both ends be equipped with four-layer seal altogether, such four-layer seal structure guarantees the leakproofness of sleeve body 5 and conducting rod 4.
Further, 1 one end extrusion forming of connecting terminal formed laminated structure, and opened up at laminated structure there are two connection
Hole can connect outer lead, while size being needed to meet the requirements of one or two fusion connectors of state's net.
(2) referring to Fig. 3, that is, described wiring mechanism includes cable 9, the end of cable 9 when wiring mechanism is cable 9
It offsets for the opening with type conical bench, type conical bench and sleeve body 5, the metal core in cable 9 extend into sleeve body 5
It is interior and be fixedly connected with conducting rod 4, adjusting washer (disk) 10, spring washer are also equipped between the metal core in cable 9 and conducting rod 4
11 and thick washer 12, wherein spring washer 11 is between adjusting washer (disk) 10 and thick washer 12, cable 9 and sleeve body 5 it is logical
Hole interference fit, i.e. cable 9 reach sealing effect by itself rubber and 5 inner wall of sleeve body interference fit.
It should be strongly noted that connecting terminal 1 and sleeve body 5 and each sealing ring etc. are existing in the application
There is an application of technology, and the innovative point for being designed as the application of four-layer seal structure, the leakproofness of inlet-outlet sleeve can be promoted
Can and weather resistance, still there is good electrical performance, sealed reliable is durable under outdoor bad weather.
By double-layer sealing structure sealing sleeve pipe outer end, such four-layer seal structure guarantees sleeve body 5 and conducting rod 4
Leakproofness.After the assembly is completed, 2 sealing rings 6 of assembly are mounted on switch gas tank 13 inlet-outlet sleeve, are fixed on by parts peculiar
On switchgear, and guarantee that outlet is introduced outside air-tightness to be connect by conduit connection terminal 1 with the switch inside switchgear, is reached
To the effect for connecing lead.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of switch inlet-outlet sleeve, including connecting terminal (1) and sleeve body (5), which is characterized in that described sleeve pipe ontology
(5) through-hole being arranged along its axial direction is equipped in, the middle part of sleeve body (5) is equipped with step, offers at step for pacifying
The seal groove of sealing ring two (6) is filled, one end of sleeve body (5) is in internal in switch gas tank (13), and another end is from switch gas tank
(13) it stretches out, and the stepped locations of sleeve body (5) are in switch gas tank (13) and offset, sealing ring two (6) is in sleeve body
(5) between step and switch gas tank (13)；
It is equipped in through-hole in described sleeve pipe ontology (5) conducting rod (4), one end of conducting rod (4), which has, to be used for and patching machine
The screw thread of structure connection, the another end of conducting rod (4) are equipped with step, and seal groove is offered on step, and the end of thread of conducting rod (4) covers certainly
The right end of tube body (5) is inserted into the through-hole in sleeve body (5), the step of conducting rod (4) and the end of sleeve body (5)
Contradict, and sealing ring four (8) be installed between limited step and sleeve body (5) end, the opening of sleeve body (5) with lead
Electric pole is also equipped with sealing ring three (7) between (4).
2. a kind of switch inlet-outlet sleeve according to claim 1, which is characterized in that described sleeve pipe ontology (5) it is exposed
Part of the surface in air has asymmetric full skirt, and the part that sleeve body (5) is in switch gas tank (13) has small full skirt.
3. a kind of switch inlet-outlet sleeve according to claim 1, which is characterized in that described sleeve pipe ontology (5) is using high
Intensity porcelain insulation material is made.
4. a kind of switch inlet-outlet sleeve according to claim 1 to 3, which is characterized in that the wiring mechanism includes
Connecting terminal (1), the end of connecting terminal (1) are inserted into sleeve body (5) and are connected through a screw thread with conducting rod (4), connect
Sealing ring one (3) is installed, the outside of connecting terminal (1) is fixed with seal cap, close between line terminals (1) and sleeve body (5)
Sealing cap is coated on the opening of sleeve body (5), and washer (2) are also equipped between seal cap and sleeve body (5).
5. a kind of switch inlet-outlet sleeve according to claim 4, which is characterized in that described connecting terminal (1) one end is squeezed
Molded formation laminated structure, and opened up at laminated structure there are two connecting hole.
6. a kind of switch inlet-outlet sleeve according to claim 1 to 3, which is characterized in that the wiring mechanism includes
Cable (9), the end of cable (9) are to offset with type conical bench, type conical bench and the opening of sleeve body (5), cable (9)
Interior metal core extend into sleeve body (5) and is fixedly connected with conducting rod (4), the metal core and conducting rod in cable (9)
(4) adjusting washer (disk) (10), spring washer (11) and thick washer (12) are also equipped between, wherein spring washer (11), which is in, is adjusted
Between washer (10) and thick washer (12), the through-hole of cable (9) and sleeve body (5) is interference fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821604944.XU CN208862521U (en) | 2018-09-29 | 2018-09-29 | A kind of switch inlet-outlet sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821604944.XU CN208862521U (en) | 2018-09-29 | 2018-09-29 | A kind of switch inlet-outlet sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208862521U true CN208862521U (en) | 2019-05-14 |
Family
ID=66419928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821604944.XU Active CN208862521U (en) | 2018-09-29 | 2018-09-29 | A kind of switch inlet-outlet sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208862521U (en) |
-
2018
- 2018-09-29 CN CN201821604944.XU patent/CN208862521U/en active Active
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