CN212376722U - Electrode connecting device, catalyst converter and automobile - Google Patents
Electrode connecting device, catalyst converter and automobile Download PDFInfo
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- CN212376722U CN212376722U CN202020644826.2U CN202020644826U CN212376722U CN 212376722 U CN212376722 U CN 212376722U CN 202020644826 U CN202020644826 U CN 202020644826U CN 212376722 U CN212376722 U CN 212376722U
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- high temperature
- temperature resistant
- connecting device
- electrode
- resistant insulating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to an automobile exhaust system field specifically relates to an electrode connecting device, catalyst converter and car. The utility model provides an electrode connecting device, including the lag, high temperature resistant insulating cover and the power sinle silk that has the power cord insulating layer, wherein, the power sinle silk includes naked section, this naked section is inserted and is worn out from the other end of high temperature resistant insulating cover from the one end of high temperature resistant insulating cover in order to be used for connecting the electric heating electrode, connect through high temperature resistant sealant layer between high temperature resistant insulating cover and the power cord insulating layer, the lag suit is at high temperature resistant insulating cover, on power cord insulating layer and the high temperature resistant sealant layer and with high temperature resistant sealant layer is connected. The electrode connecting device of the utility model utilizes the high temperature resistant insulating sleeve and the power line insulating layer to realize the insulation of the power line core; meanwhile, the high-temperature-resistant insulating sleeve enables the electrode connecting device to adapt to the high-temperature environment of the catalytic converter, and the protecting sleeve is used for protecting the electrode connecting device, so that the device is safe and reliable.
Description
Technical Field
The utility model relates to an automobile exhaust system field specifically relates to an electrode connecting device, catalyst converter and car.
Background
In the existing automobile exhaust system, an electric heater is additionally arranged in front of a catalyst of the exhaust system to improve the exhaust temperature in the ignition stage, an electrode of the electric heater is arranged inside an exhaust pipe, and a special structure is required to be designed to connect the electrode and a power line because the internal temperature of the exhaust pipe is high and a certain exhaust pressure exists, and meanwhile, the exhaust leakage and the high-temperature burnout of a power line insulating layer are required to be avoided. The existing product is that a longer electrode column is welded at the electrode of an electric heater, the electrode column penetrates through a catalytic converter shell and is in threaded connection with a power line connector, and ceramic and sealant are arranged between the electrode column and the catalytic converter shell for sealing and insulating. The prior scheme has the following disadvantages: the connecting part of the electrode column and the power line is directly exposed in the air, so that the risk of short circuit exists; the electrode column is welded with the electric heater, extends out of the catalytic converter for a long length, and is easy to collide and damage in the transportation process; because the electrode column and the catalytic converter can not be disassembled, the after-sale maintenance cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that the electrode connecting structure of the electric heater in the catalyst converter in the prior art has the electric leakage risk.
In order to achieve the above object, the utility model provides an aspect provides an electrode connecting device, including lag, high temperature resistant insulating cover and the power sinle silk that has the power cord insulating layer, wherein, the power sinle silk is including naked section, naked section is followed the one end of high temperature resistant insulating cover is inserted and is followed the other end of high temperature resistant insulating cover is worn out in order to be used for connecting the electric heating electrode, high temperature resistant insulating cover with connect through high temperature resistant sealant layer between the power cord insulating layer, the lag suit is in high temperature resistant insulating cover the power cord insulating layer with on the high temperature resistant sealant layer and with the high temperature resistant sealant layer is connected.
Preferably, an axial interval is kept between the high-temperature-resistant insulating sleeve and the power line insulating layer, and the high-temperature-resistant sealant layer is arranged in the axial interval.
Preferably, the protective sleeve extends to the other end of the high temperature resistant insulating sleeve.
Preferably, a stop flange is arranged on the outer peripheral surface of the other end of the high-temperature-resistant insulating sleeve, and the protective sleeve abuts against the stop flange.
Preferably, the electrode connecting device further comprises a connecting structure configured to detachably connect the electrode connecting device to the catalyst housing.
The utility model provides a connection structure's embodiment, it is preferred, connection structure includes the screw thread section on the lag outer peripheral face, the screw thread section be used for with the catalyst housing on the screw hole cooperation.
The utility model provides a connection structure's embodiment, it is preferred, be formed with the installation on the outer peripheral face of lag and support the pressure flange.
Preferably, the connecting structure comprises a nut seat arranged on the catalyst shell and a mounting nut matched with the nut seat; the nut seat and the mounting nut are arranged in a hollow mode so that the protective sleeve can penetrate through the nut seat and the mounting nut; the mounting abutment flange on the boot is clamped and positioned between the mounting nut and the nut seat.
The second aspect of the present invention provides a catalytic converter, including any one of the above-mentioned electrode connecting devices.
The utility model discloses the third aspect provides an automobile, including above-mentioned catalyst converter.
The electrode connecting device of the utility model utilizes the power line insulating layer with insulating effect to wrap the power line core to realize insulation, and utilizes the high temperature resistant insulating sleeve to perform the insulating treatment of one end of the electrode of the near electric heater, thereby avoiding the danger of electric leakage caused by the thermal deformation of the power line insulating layer; meanwhile, the high-temperature-resistant insulating sleeve and the power line insulating layer are hermetically connected together by using the high-temperature-resistant sealing glue layer, so that the danger of electric leakage caused by untight connection at the joint of the power line insulating layer and the high-temperature-resistant insulating sleeve is avoided; the protective sleeve is sleeved on the high-temperature-resistant insulating sleeve, the power line insulating layer and the high-temperature-resistant sealing adhesive layer so as to prevent electric leakage caused by damage of the high-temperature-resistant sealing adhesive layer; meanwhile, the high-temperature-resistant sealing adhesive layer is connected with the protecting sleeve to prevent the protecting sleeve from jumping off, and the safety of the electrode connecting device is further improved.
Drawings
Fig. 1 is a schematic view of an installation structure of an electrode connecting device according to an embodiment of the present invention;
fig. 2 is a schematic view of the external structure of the electrode connecting device of the present invention.
Description of the reference numerals
1-power wire core, 2-power wire insulating layer, 3-high temperature resistant sealant layer, 4-high temperature resistant insulating sleeve, 5-protective sleeve, 6-mounting nut, 7-nut seat, 8-catalytic converter shell, 9-electric heating electrode, 10-exposed section, 11-stop flange, and 12-mounting pressing flange.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
An aspect of the utility model provides an electrode connecting device, including lag 5, high temperature resistant insulating cover 4 and the power sinle silk 1 that has power cord insulating layer 2, wherein, power sinle silk 1 is including naked section 10, naked section 10 is followed the one end of high temperature resistant insulating cover 4 is inserted and is followed the other end of high temperature resistant insulating cover 4 is worn out in order to be used for connecting electrical heating electrode 9, high temperature resistant insulating cover 4 with connect through high temperature resistant sealing glue film 3 between the power cord insulating layer 2, lag 5 suits the high temperature resistant insulating cover 4 power cord insulating layer 2 with on the high temperature resistant sealing glue film 3 and with high temperature resistant sealing glue film 3 is connected.
The electrode connecting device of the utility model utilizes the power line insulating layer with insulating effect to wrap the power line core to realize insulation, and utilizes the high temperature resistant insulating sleeve to perform the insulating treatment of one end of the electrode of the near electric heater, thereby avoiding the danger of electric leakage caused by the thermal deformation of the power line insulating layer; meanwhile, the high-temperature-resistant insulating sleeve and the power line insulating layer are hermetically connected together by using the high-temperature-resistant sealing glue layer, so that the danger of electric leakage caused by untight connection at the joint of the power line insulating layer and the high-temperature-resistant insulating sleeve is avoided; the protective sleeve is sleeved on the high-temperature-resistant insulating sleeve, the power line insulating layer and the high-temperature-resistant sealing adhesive layer so as to prevent electric leakage caused by damage of the high-temperature-resistant sealing adhesive layer; meanwhile, the high-temperature-resistant sealing adhesive layer is connected with the protecting sleeve to prevent the protecting sleeve from jumping off, and the safety of the electrode connecting device is further improved.
Preferably, as shown in fig. 1, an axial space is maintained between the high temperature resistant insulating sleeve 4 and the power line insulating layer 2, and the high temperature resistant sealant layer 3 is disposed in the axial space. The electric heating electrode 9 is a device for heating, so that the temperature is higher at one end close to the electric heating electrode 9, an insulating layer wrapped outside the common power wire core 1 is easily damaged due to thermal deformation, and the high-temperature-resistant insulating sleeve 4 is used for insulating the power wire core 1 in a high-temperature-resistant environment; and because the heat conduction of high temperature resistant insulating cover 4, power cord insulating layer 2 should not be with high temperature resistant insulating cover 4 direct contact in order to avoid leading to power cord insulating layer 2 to damage because of high temperature. Preferably, the high-temperature-resistant insulating sleeve 4 is a ceramic sleeve. The ceramic has high temperature resistance, good insulating property, lower manufacturing cost and reduced cost.
Preferably, the protective sheath 5 extends to the other end of the high temperature resistant insulating sheath 4. The protective sleeve 5 wraps and protects the high-temperature-resistant insulating sleeve 4, and the safety of the electrode connecting device is improved. Preferably, the protective sleeve 5 is a metal sheath, such as a steel sleeve, and has high rigidity and toughness to protect the high-temperature-resistant insulating sleeve 4, the power line insulating layer 2 and the high-temperature-resistant sealant layer 3.
Preferably, a stop flange 11 is arranged on the outer peripheral surface of the other end of the high-temperature-resistant insulating sleeve 4, and the protective sleeve 5 abuts against the stop flange 11. When the installation, backstop flange 11 can be so that lag 5 drives high temperature resistant insulating cover 4 and inserts catalyst converter casing 8, and lag 5 links to each other through high temperature resistant sealant layer 3 with power sinle silk 1 again to make power sinle silk 1 link to each other with electric heating electrode 9.
Preferably, the electrode connecting device further comprises a connecting structure configured to detachably connect the electrode connecting device to the catalyst housing 8. The detachable electrode connecting device avoids the damage of the electrode connecting device which is too convex in the transportation process, is convenient for the transportation of the catalyst and reduces the damage rate; meanwhile, the electrode connecting device is convenient to maintain and replace in the later period, and the maintenance cost is reduced.
The utility model provides a connection structure's embodiment, it is preferred, connection structure includes the screw thread section on the 5 outer peripheral faces of lag, the screw thread section be used for with the catalyst converter casing 8 on the screw hole cooperation. The protecting jacket 5 is connected to the catalytic converter shell 8 through threads, the anti-skid jacket 5 can be screwed to be installed and disassembled, and the assembling and disassembling are convenient and fast.
The utility model provides an embodiment of second kind connection structure, it is preferred, be formed with the installation on the outer peripheral face of lag 5 and support and press flange 12. The mounting pressing flange 12 is arranged to enable the protecting sleeve 5 to press against the catalytic converter shell 8; preferably, the mounting pressing flange 12 comprises a flange and a snap arranged on the flange, wherein the snap is clamped with the protecting jacket 5 and the catalyst housing 8.
Preferably, the connecting structure comprises a nut seat 7 arranged on the catalyst shell 8 and a mounting nut 6 matched with the nut seat 7; the nut seat 7 and the mounting nut 6 are arranged in a hollow manner so that the protective sleeve 5 can penetrate through; the mounting abutment flange 12 on the protective sleeve 5 is clamped in position between the mounting nut 6 and the nut seat 7.
And a mounting abutting flange 12 is clamped by the matched mounting nut 6 and the nut seat 7, so that the protective sleeve 5 is connected to the catalyst shell 8, and the connection between the power wire core 1 and the electric heating electrode 9 is realized. The outside of the protective sleeve 5 is provided with the mounting nut 6 and the nut seat 7, so that the connection is more stable, and the safety of the device is improved. Preferably, the nut seat 7 is welded to the catalyst housing 8 to enhance the stability of the electrode connecting device.
The second aspect of the present invention provides a catalytic converter, including any one of the above-mentioned electrode connecting devices. The electrode connecting device of the utility model utilizes the power line insulating layer with insulating effect to wrap the power line core to realize insulation, and utilizes the high temperature resistant insulating sleeve to perform the insulating treatment of one end of the near electric heating electrode, thereby avoiding the danger of electric leakage caused by the thermal deformation of the power line insulating layer; meanwhile, the high-temperature-resistant insulating sleeve and the power line insulating layer are hermetically connected together by using the high-temperature-resistant sealing glue layer, so that the danger of electric leakage caused by untight connection at the joint of the power line insulating layer and the high-temperature-resistant insulating sleeve is avoided; the protective sleeve is sleeved on the high-temperature-resistant insulating sleeve, the power line insulating layer and the high-temperature-resistant sealing adhesive layer so as to prevent electric leakage caused by damage of the high-temperature-resistant sealing adhesive layer; meanwhile, the high-temperature-resistant sealing adhesive layer is connected with the protecting sleeve to prevent the protecting sleeve from jumping off, and the safety of the electrode connecting device is further improved.
The utility model discloses the third aspect provides an automobile, including above-mentioned catalyst converter. The electrode connecting device of the utility model utilizes the power line insulating layer with insulating effect to wrap the power line core to realize insulation, and utilizes the high temperature resistant insulating sleeve to perform the insulating treatment of one end of the near electric heating electrode, thereby avoiding the danger of electric leakage caused by the thermal deformation of the power line insulating layer; meanwhile, the high-temperature-resistant insulating sleeve and the power line insulating layer are hermetically connected together by using the high-temperature-resistant sealing glue layer, so that the danger of electric leakage caused by untight connection at the joint of the power line insulating layer and the high-temperature-resistant insulating sleeve is avoided; the protective sleeve is sleeved on the high-temperature-resistant insulating sleeve, the power line insulating layer and the high-temperature-resistant sealing adhesive layer so as to prevent electric leakage caused by damage of the high-temperature-resistant sealing adhesive layer; meanwhile, the high-temperature-resistant sealing adhesive layer is connected with the protecting sleeve to prevent the protecting sleeve from jumping off, and the safety of the electrode connecting device is further improved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. The utility model provides an electrode connecting device, its characterized in that, includes lag (5), high temperature resistant insulating cover (4) and power sinle silk (1) that has power cord insulating layer (2), wherein, power sinle silk (1) is including naked section (10), naked section (10) are followed the one end of high temperature resistant insulating cover (4) is inserted and is followed the other end of high temperature resistant insulating cover (4) is worn out in order to be used for connecting electric heating electrode (9), high temperature resistant insulating cover (4) with connect through high temperature resistant sealant layer (3) between power cord insulating layer (2), lag (5) suit is in high temperature resistant insulating cover (4), power cord insulating layer (2) with on high temperature resistant sealant layer (3) and with high temperature resistant sealant layer (3) are connected.
2. Electrode connection device according to claim 1, characterized in that an axial space is maintained between the high temperature resistant insulating sheath (4) and the power line insulating layer (2), in which axial space the high temperature resistant sealant layer (3) is arranged.
3. Electrode connection device according to claim 2, characterized in that the protective sheath (5) extends to the other end of the high temperature resistant insulating sheath (4).
4. The electrode connecting device according to claim 3, characterized in that a stop flange (11) is provided on the outer circumference of the other end of the high temperature resistant insulating sheath (4), and the protective sheath (5) abuts on the stop flange (11).
5. The electrode connection device according to claim 4, further comprising a connection structure configured for detachably connecting the electrode connection device to a catalyst housing (8).
6. Electrode connection device according to claim 5, characterized in that the connection structure comprises a threaded section on the outer circumference of the protective sleeve (5) for cooperation with a threaded hole on the catalyst housing (8).
7. Electrode connecting device according to claim 5, characterized in that the protective sleeve (5) is formed with a mounting abutment flange (12) on its outer circumferential surface.
8. The electrode connecting device according to claim 7, characterized in that the connecting structure comprises a nut seat (7) provided on the catalyst housing (8) and a mounting nut (6) mating with the nut seat (7); the nut seat (7) and the mounting nut (6) are arranged in a hollow mode so that the protective sleeve (5) can penetrate through; the mounting pressing flange (12) on the protective sleeve (5) is clamped and positioned between the mounting nut (6) and the nut seat (7).
9. A catalyst comprising an electrode connecting device according to any one of claims 1 to 8.
10. An automobile comprising the catalyst of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020644826.2U CN212376722U (en) | 2020-04-24 | 2020-04-24 | Electrode connecting device, catalyst converter and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020644826.2U CN212376722U (en) | 2020-04-24 | 2020-04-24 | Electrode connecting device, catalyst converter and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212376722U true CN212376722U (en) | 2021-01-19 |
Family
ID=74161370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020644826.2U Active CN212376722U (en) | 2020-04-24 | 2020-04-24 | Electrode connecting device, catalyst converter and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212376722U (en) |
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2020
- 2020-04-24 CN CN202020644826.2U patent/CN212376722U/en active Active
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