CN104767048A - Boiler water pump conductive contact - Google Patents
Boiler water pump conductive contact Download PDFInfo
- Publication number
- CN104767048A CN104767048A CN201510150128.0A CN201510150128A CN104767048A CN 104767048 A CN104767048 A CN 104767048A CN 201510150128 A CN201510150128 A CN 201510150128A CN 104767048 A CN104767048 A CN 104767048A
- Authority
- CN
- China
- Prior art keywords
- stop collar
- conductive contact
- water pump
- insulating case
- rod core
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000007769 metal material Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 15
- 239000004033 plastic Substances 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003292 glue Substances 0.000 abstract 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 238000007596 consolidation process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the field of boiler water pump motor production and manufacturing, and particularly relates to a boiler water pump conductive contact. The boiler water pump conductive contact comprises a conductive rod core, an insulation sleeve is arranged on the conductive rod core, a limiting sleeve is arranged on an outer ring face of the insulation sleeve, the limiting sleeve and the insulation sleeve are of split structures, and the limiting sleeve is made of metallic materials and is fixed to the insulation sleeve with a heat sleeve process so that the limiting sleeve and the insulation sleeve form interference fit. The position between the conductive rod core and the insulation sleeve and the position between the insulation sleeve and the limiting sleeve are coated with sealing glue layers. According to the boiler water pump conductive contact, the limiting sleeve made of the metallic materials conducts axial limiting on the conductive contact, the rigidity of the limiting sleeve is much larger than the rigidity of a traditional plastic limiting sleeve, and the pressure-resistant property is guaranteed; in addition, the limiting sleeve is in interference fit with the insulation sleeve, the sealing glue layers are arranged between the conductive rod core and the insulation sleeve and between the insulation sleeve and the limiting sleeve, and therefore the sealing performance of the conductive contact is improved while the reinforcement effect is achieved.
Description
Technical field
The invention belongs to boiler pump motor and manufacture field, be specifically related to a kind of stove water pump conductive contact.
Background technology
Boiler pump motor is a kind of motor and pump housing integrated equipment, the feature of this kind equipment is: motor cavity and pump housing inner space, so the high pressure liquid in the pump housing is known from experience enter motor cavity, therefore the sealing property of this equipment to the insulation property of motor internal and motor housing requires higher.The difficult point of motor housing sealing is the sealing at connector lug place, connector lug is installed and inevitably will offers installing hole on motor housing, the installation of connector lug generally has two kinds of modes, i.e. built-in type and fitted outside, connector lug outwards passes from electric machine casing inside by so-called built-in type exactly, and this type of mounting means is that the step of the inside countersink region of bulge loop step by connector lug is arranged and casing upper shed is against realizing axial limiting; Connector lug inwardly penetrates from outside by so-called fitted outside exactly, this type of mounting means countersink region step that to be bulge loop step by connector lug is arranged outside with casing upper shed against, then realize axial limiting by nut compression.In prior art, in order to ensure the insulation property between connector lug and casing, its bulge loop step generally all adopts plastics, the insulating material such as rubber are made, and the insulating case on bulge loop step and connector lug top layer is integral type structure, the defect of this connector lug is: no matter be built-in type joint or fitted outside joint, because motor internal pressure is higher, therefore joint can be subject to outside pressure, and this pressure can only be born by the bulge loop step as position limiting structure, and plastics, the rigidity of the materials such as rubber is poor, long-term extruding can produce distortion and even ftracture, insulation and the sealing property of connector lug position can be affected on the contrary.
Summary of the invention
The object of this invention is to provide that a kind of intensity is high, good pressure-resistant performance, and sealing and insulation property reliable stove water pump conductive contact.
For achieving the above object, the invention provides following technical scheme: a kind of boiler pump motor conductive contact, comprise contact rod core, contact rod core is provided with insulating case, described insulating case outer ring surface is provided with stop collar, this stop collar carries out axial limiting to conductive contact on the countersink region step being resisted against conductive contact installing hole, described stop collar and insulating case are split-type structural, and stop collar is made up of metal material, described stop collar adopts hot cover process to be fixed on insulating case and makes the two formation interference fit; Between described contact rod core and insulating case and all scribble sealant layer between insulating case and stop collar.
Technique effect of the present invention is: the stop collar that the present invention adopts metal material to make carries out axial limiting to conductive contact, its rigidity is far longer than traditional plastics stop collar rigidity, withstand voltage properties is ensured, in addition, the present invention adopts hot cover process to make stop collar and insulating case realize interference fit, meanwhile, the present invention is at contact rod core and insulating case and arrange sealant layer between insulating case and stop collar, also improves the sealing property of conductive contact while realizing consolidation effect.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 i.e. structural representation of built-in type conductive contact;
Fig. 2 is the embodiment of the present invention 2 i.e. structural representation of fitted outside conductive contact.
Embodiment
As shown in Figure 1, 2, a kind of boiler pump motor conductive contact, comprise contact rod core 10, contact rod core 10 skin is provided with insulating case 11, described insulating case 11 outer ring surface is provided with stop collar 12, this stop collar 12 carries out axial limiting to conductive contact on the countersink region step being resisted against conductive contact installing hole, described stop collar 12 is split-type structural with insulating case 11, and stop collar 12 is made up of metal material, described stop collar 12 adopts hot cover process to be fixed on insulating case 12 and makes the two formation interference fit; All sealant layer is scribbled between described contact rod core 10 and insulating case 11 and between insulating case 11 and stop collar 12.The stop collar that the present invention adopts metal material to make 12 pairs of conductive contacts carry out axial limiting, its rigidity is far longer than traditional plastics stop collar rigidity, withstand voltage properties is ensured, in addition, the present invention adopts hot cover process to make stop collar 12 and insulating case 11 realize interference fit, meanwhile, the present invention arranges sealant layer between contact rod core 10 and insulating case 11 and between insulating case 11 and stop collar 12, also improves the sealing property of conductive contact while realizing consolidation effect
Further, as shown in Figure 1, described contact rod core 10 is in ladder shaft-like, and inner for section outer end, large footpath be path section, the diameter of described large footpath section is at least greater than the external diameter of insulating case 11, the inner face of described insulating case 11 is resisted against on the reducing place step 101 of this contact rod core 10, and the inner of described insulating case 11 is provided with Flange-shaped Parts flange 111, and the inner face of described stop collar 12 is resisted against on this Flange-shaped Parts flange 111.Terminal is mainly subject to by the outside pressure of motor internal, when motor is in running order, first contact rod core 10 is squeezed, then pressure is passed to insulating case 11 and position limiting convex ring 12 successively, step-like structure effectively can to prevent between each parts of conductive contact under high pressure play mutually.
Preferably, at least one side end face of described stop collar 12 is provided with tubular protrusions 121, and described tubular protrusions 121 is coaxial with stop collar 12 and the two internal diameter is equal.In actual production process, the two ends of stop collar 12 are equipped with tubular protrusions 121, and tubular protrusions 121 length at two ends is equal, tubular protrusions 121 can increase the stiction between stop collar 12 and insulating case 11, thus ensures further closely to fix between the two.
Further, it is inner that described tubular protrusions 121 is at least arranged on stop collar 12, the inner face of described tubular protrusions 121 coordinates against forming axial limiting in turn with the reducing place step 101 of the Flange-shaped Parts flange 111 of insulating case 11 and contact rod core 10, and cover has interlayer insulating layer 13 on three's outer ring surface, described interlayer insulating layer 13 is outer is also surrounded by one deck protective jacket 14.Interlayer insulating layer 13 and overcoat 14 can prevent the high temperature of motor internal, highly pressurised liquid from contacting with contact rod core, insulating case, stop collar, further increase insulation and sealing property.
Preferably, as shown in Figure 1, the outer ring surface of described stop collar 12 is provided with sealing ring 122.
Embodiment 1
As shown in Figure 1, the present embodiment is built-in type conductive contact, and the external diameter of described stop collar 12 is less than or equal to the external diameter of protective jacket 14.In this embodiment, the end face outside of stop collar 12 coordinates with the countersink region step of conductive head installing hole, realizes axial limiting.
Embodiment 2
As shown in Figure 2, the present embodiment is circumscribed conductive contact, and the external diameter of described stop collar 12 is greater than the external diameter of protective jacket 14.In this embodiment, the inner side end of stop collar 12 coordinates with the countersink region step of conductive head installing hole and does not realize axial limiting.
As shown in Figure 1, as present invention further optimization scheme, annular groove is equipped with on the outer ring surface of described contact rod core 10 and on the inner ring surface of tubular protrusions 121, and two annular grooves are arranged in same cross section, the inside and outside anchor ring of described insulating case 11 is provided with inside and outside elasticity bulge loop 11a, the 11b corresponding with described annular groove position.Inside and outside elasticity bulge loop 11a, 11b coordinate respectively at the annular groove on contact rod core 10 and tubular protrusions 121, and inside and outside elasticity bulge loop 11a, 11b are squeezed and can produce certain distortion, can play axial limiting and sealing function simultaneously.
Claims (8)
1. a boiler pump motor conductive contact, comprise contact rod core (10), contact rod core (10) skin is provided with insulating case (11), described insulating case (11) outer ring surface is provided with stop collar (12), this stop collar (12) carries out axial limiting to conductive contact on the countersink region step being resisted against conductive contact installing hole, it is characterized in that: described stop collar (12) and insulating case (11) are split-type structural, and stop collar (12) is made up of metal material, described stop collar (12) adopts hot cover process to be fixed on insulating case (12) and makes the two formation interference fit, all sealant layer is scribbled between described contact rod core (10) and insulating case (11) and between insulating case (11) and stop collar (12).
2. stove water pump conductive contact according to claim 1, it is characterized in that: described contact rod core (10) is in ladder shaft-like, and inner segment be large footpath section, outer section for path section, the diameter of described large footpath section is greater than the external diameter of insulating case (11); The inner of described insulating case (11) is provided with Flange-shaped Parts flange (111), and described Flange-shaped Parts flange (111) is clipped between the inner face of stop collar (12) and reducing place step (101) of contact rod core (10).
3. stove water pump conductive contact according to claim 2, it is characterized in that: at least one side end face of described stop collar (12) is provided with tubular protrusions (121), described tubular protrusions (121) is with stop collar (12) is coaxial and the two internal diameter is equal.
4. stove water pump conductive contact according to claim 3, it is characterized in that: it is inner that described tubular protrusions (121) is at least arranged on stop collar (12), the inner face of described tubular protrusions (121) coordinates against forming axial limiting in turn with reducing place step (101) of the Flange-shaped Parts flange (111) of insulating case (11) and contact rod core (10), and cover has interlayer insulating layer (13) on three's outer ring surface, described interlayer insulating layer (13) is also surrounded by one deck protective jacket (14) outward.
5. stove water pump conductive contact according to claim 4, is characterized in that: the outer ring surface of described stop collar (12) is provided with sealing ring (122).
6. stove water pump conductive contact according to claim 5, is characterized in that: the external diameter of described stop collar (12) is less than or equal to the external diameter of protective jacket (14).
7. stove water pump conductive contact according to claim 5, is characterized in that: the external diameter of described stop collar (12) is greater than the external diameter of protective jacket (14).
8. the stove water pump conductive contact according to claim 3, it is characterized in that: on the outer ring surface of described contact rod core (10) and on the inner ring surface of tubular protrusions (121), be equipped with annular groove, and two annular grooves are arranged in same cross section, the inside and outside anchor ring of described insulating case (11) is provided with the inside and outside elasticity bulge loop (11a, 11b) corresponding with described annular groove position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150128.0A CN104767048B (en) | 2015-03-31 | 2015-03-31 | Stove water pump conductive contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150128.0A CN104767048B (en) | 2015-03-31 | 2015-03-31 | Stove water pump conductive contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104767048A true CN104767048A (en) | 2015-07-08 |
| CN104767048B CN104767048B (en) | 2017-10-17 |
Family
ID=53648756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510150128.0A Active CN104767048B (en) | 2015-03-31 | 2015-03-31 | Stove water pump conductive contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104767048B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3725124A1 (en) * | 1987-07-29 | 1989-02-09 | Draexlmaier Lisa Gmbh | Method for sheathing conductor connections in a manner which is waterproof and proof against water vapour |
| CN2160661Y (en) * | 1993-06-13 | 1994-04-06 | 中美合资镇江金门化工制品有限公司 | High voltage leading-in rod |
| CN2739839Y (en) * | 2004-10-21 | 2005-11-09 | 摩比天线技术（深圳）有限公司 | Coaxial connector for base station antenna |
| CN202309350U (en) * | 2011-11-15 | 2012-07-04 | 合肥皖化电机技术开发有限责任公司 | Furnace water pump motor with built-in conductive sealing joint |
| CN203218484U (en) * | 2013-05-14 | 2013-09-25 | 宁波市鄞州杰视电子机械有限公司 | Connection connector |
| CN203434307U (en) * | 2013-06-27 | 2014-02-12 | 西安思坦仪器股份有限公司 | Motor releaser thread device |
| CN203951304U (en) * | 2014-06-27 | 2014-11-19 | 合肥皖化电机技术开发有限责任公司 | A kind of boiler pump motor with self sealss conductive contact |
-
2015
- 2015-03-31 CN CN201510150128.0A patent/CN104767048B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3725124A1 (en) * | 1987-07-29 | 1989-02-09 | Draexlmaier Lisa Gmbh | Method for sheathing conductor connections in a manner which is waterproof and proof against water vapour |
| CN2160661Y (en) * | 1993-06-13 | 1994-04-06 | 中美合资镇江金门化工制品有限公司 | High voltage leading-in rod |
| CN2739839Y (en) * | 2004-10-21 | 2005-11-09 | 摩比天线技术（深圳）有限公司 | Coaxial connector for base station antenna |
| CN202309350U (en) * | 2011-11-15 | 2012-07-04 | 合肥皖化电机技术开发有限责任公司 | Furnace water pump motor with built-in conductive sealing joint |
| CN203218484U (en) * | 2013-05-14 | 2013-09-25 | 宁波市鄞州杰视电子机械有限公司 | Connection connector |
| CN203434307U (en) * | 2013-06-27 | 2014-02-12 | 西安思坦仪器股份有限公司 | Motor releaser thread device |
| CN203951304U (en) * | 2014-06-27 | 2014-11-19 | 合肥皖化电机技术开发有限责任公司 | A kind of boiler pump motor with self sealss conductive contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104767048B (en) | 2017-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY195852A (en) | Irregular-Shaped Cable and Method for Manufacturing the Cable | |
| CN204632948U (en) | The radio frequency connector of quick attaching coaxial cable | |
| WO2017025036A1 (en) | Insulation pipe and insulation sleeve with such insulation pipe | |
| CN104767048A (en) | Boiler water pump conductive contact | |
| CN104183281A (en) | Optical cable electrical penetration assembly and machining method thereof | |
| CN205211505U (en) | Insulation support and insulating tube | |
| CN203839912U (en) | 15kV elbow-shaped cable connector | |
| CN105958222B (en) | The high voltage cable connector of bonding structure | |
| CN105870707B (en) | A kind of pilot seal connecting rod | |
| CN201696756U (en) | Steel wire braided high-voltage insulating tube | |
| CN205194448U (en) | Guider and have insulator of action bars | |
| CN102957112B (en) | Waterproof electric cable junction box | |
| CN202422817U (en) | Novel cable for electric welding machines | |
| CN202434220U (en) | Enameled wire | |
| CN207082646U (en) | A kind of attachment structure for electric machine controller | |
| CN103943978A (en) | Motor binding post applied to Freon environment | |
| CN203192450U (en) | Flexible skin effect and short circuit heating oil well heating cable | |
| CN211404265U (en) | Be applied to transformer bushing's core seal structure | |
| CN204615054U (en) | The structure-improved of electric connector | |
| CN105337061B (en) | A kind of low intermodulation air cable connector | |
| CN107117077B (en) | Insulation slideway structure and manufacturing method thereof | |
| CN204905468U (en) | Low intermodulation air cable connector | |
| CN212542805U (en) | Cable connector | |
| CN207250185U (en) | A kind of automobile-used connecting line of carbon fiber | |
| CN203660229U (en) | Commutator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Boiler water pump conductive contact Effective date of registration: 20180209 Granted publication date: 20171017 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Hefei Wanhua Electric Machine Technology Development Co., Ltd. Registration number: 2018340000052 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190402 Granted publication date: 20171017 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Hefei Wanhua Electric Machine Technology Development Co., Ltd. Registration number: 2018340000052 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Conductive joint of boiler water pump Effective date of registration: 20200730 Granted publication date: 20171017 Pledgee: Hefei high tech Company limited by guarantee Pledgor: HEFEI WANHUA ELECTRICAL MACHINERY TECH. DEVELOPMENT Co.,Ltd. Registration number: Y2020980004548 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211110 Granted publication date: 20171017 Pledgee: Hefei Gaoxin Financing Guarantee Co., Ltd Pledgor: Hefei Wanhua Motor Technology Development Co., Ltd Registration number: Y2020980004548 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |