CN108761158B - Ammeter converter - Google Patents
Ammeter converter Download PDFInfo
- Publication number
- CN108761158B CN108761158B CN201810326170.7A CN201810326170A CN108761158B CN 108761158 B CN108761158 B CN 108761158B CN 201810326170 A CN201810326170 A CN 201810326170A CN 108761158 B CN108761158 B CN 108761158B
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- Prior art keywords
- pin
- upper cover
- sleeve
- base
- lead
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses an ammeter converter, which comprises a base, a sleeve, an upper cover and a relay part, wherein the sleeve is arranged on the base; the base is fixed at the lower end of the sleeve, the upper cover is fixed at the upper part of the sleeve, and the relay part is arranged on the base and is accommodated in a space surrounded by the upper cover, the sleeve and the base; the relay part is provided with an upper lead-out pin penetrating upwards from the upper cover and a lower lead-out pin penetrating downwards from the base; a first pin which is leaned against the lower surface of the base to be used as a positioning reference during installation is inserted into the lower leading-out pin; a second pin which is leaned against the upper surface of the upper cover is inserted into the upper lead-out pin, so that the insertion force born by the upper lead-out pin is turned into the upper cover; an elastic piece is arranged between the upper cover and the sleeve and is used for adjusting the position of the upper cover. The invention can not only slow down the effect of the plugging force of the plugging terminals of other external components on the relay; but also can solve the problem of gaps caused by tolerance stack-up of assembled products, so that the products are better matched and safer.
Description
Technical Field
The invention relates to the technical field of power distribution, in particular to an ammeter converter which is suitable for controlling multi-power input and output in a power supply environment.
Background
With the continuous development and perfection of the national power grid technology, the requirements on the operation environment are continuously increased, and severe natural disasters such as tornadoes, sand storm and the like are suffered in many areas all the year round, so that the electric power supply is greatly unstable. In order to solve the problem, a scheme for automatically switching input power sources is provided on the basis of the current emergency power source scheme, and the method is suitable for controlling the input and output of multiple power sources in a power supply environment.
In the prior art, a plurality of relays are installed in the ammeter converter to control the input and output of multiple power sources, and the relays in the ammeter converter are usually provided with an upper pin and a lower pin as input and output connecting terminals, wherein the lower pin is used for plugging (i.e. playing a role of inserting) other external components, the upper pin is used for receiving the plugging (i.e. playing a role of inserting) other external components, and because the upper pin is connected in the corresponding relay, the downward plugging force of the plugging terminals of the other external components can directly act on the relays when the upper pin receives the plugging of the other external components, and the relay is possibly damaged due to the large plugging force.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an ammeter converter, which can slow down the effect of the plugging force of the plugging terminals of other external components on a relay through structural improvement; on the other hand, the problem of gaps caused by tolerance stack-up of assembled products can be solved, so that the products are better matched and safer.
The technical scheme adopted for solving the technical problems is as follows: an ammeter converter comprises a base, a sleeve, an upper cover and a relay part; the base is fixed at the lower end of the sleeve, the upper cover is fixed at the upper part of the sleeve, and the relay part is arranged on the base and is accommodated in a space surrounded by the upper cover, the sleeve and the base; the relay part is provided with an upper lead-out pin penetrating upwards from the upper cover and a lower lead-out pin penetrating downwards from the base; a first pin which is leaned against the lower surface of the base to be used as a positioning reference during installation is inserted into the lower leading-out pin; a second pin which is leaned against the upper surface of the upper cover is inserted into the upper lead-out pin, so that the insertion force born by the upper lead-out pin is turned into the upper cover; an elastic piece is arranged between the upper cover and the sleeve, so that the position of the upper cover is adjusted, and gaps between the upper cover and the second pin caused by accumulated tolerance of product assembly are eliminated.
The upper cover is provided with a first through hole allowing the upper leading-out foot to penetrate out; the upper leading-out pin is provided with a second through hole which is matched with the second pin; after the upper lead-out pin penetrates out of the first through hole of the upper cover, the second pin is matched in the second through hole of the upper lead-out pin and abuts against the upper surface of the upper cover.
And a groove capable of accommodating the second pin is formed in the upper surface of the upper cover beside the first through hole, and the second pin is matched in the groove of the upper surface of the upper cover when the second pin is matched with the second through hole of the upper lead-out pin.
The first pin is a cotter pin; the second pin is a round pin.
The two opposite first peripheral sections of the upper part of the inner side wall of the sleeve are also provided with steps, and the upper cover is embedded in the inner side wall of the sleeve; the two opposite second peripheral sections at the top of the upper cover are horizontally arranged and are lapped on the corresponding steps of the sleeve, the elastic piece is arranged between the second peripheral section of the upper cover and the first peripheral section of the sleeve, and the upper cover and the sleeve are fixed through screw locking, so that the position of the upper cover is adjusted through the screw locking degree.
The cross section of the sleeve is circular; the base and the upper cover are respectively arranged in a round shape matched with the sleeve.
The elastic piece is a gasket structure made of rubber materials.
The elastic piece is a spring.
The elastic piece is a spring piece bent into a certain shape.
The elastic piece is formed by forming a tongue piece after a U-shaped seam is cut out of the bottom piece and then bending upwards.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the first pin which is inserted in the lower leading-out pin and leans against the lower surface of the base to be used as a positioning reference during installation; a second pin which is leaned against the upper surface of the upper cover is inserted into the upper lead-out pin, so that the insertion force born by the upper lead-out pin is turned into the upper cover; and an elastic member is installed between the upper cover and the sleeve for adjusting the position of the upper cover so as to eliminate a gap between the upper cover and the second pin due to a product assembly accumulated tolerance. According to the structure, on one hand, the plug-in force received by the upper lead-out pin can be turned into the upper cover by utilizing the action of the second pin; the effect of the plugging force of the plugging terminals of other external components on the relay is relieved; on the other hand, the elastic piece between the upper cover and the sleeve is used for solving the problem of gaps caused by tolerance accumulation of assembled products, so that the products are better matched and safer.
2. The invention adopts the structure that the groove which can accommodate the second pin is arranged beside the first through hole in the upper surface of the upper cover, and the second pin is matched in the groove in the upper surface of the upper cover when the second pin is matched with the second through hole of the upper lead-out pin; meanwhile, the first pin is set as a cotter pin; the second pin is set as a round pin. The structure of the invention can use the cooperation of the cotter pin and the lower pin as a positioning reference during installation, and the round pin is matched in the groove of the upper cover, so that the connection between the upper pin and the upper cover is firmer, and meanwhile, the groove also has a guiding function, thereby being convenient for inserting the round pin into the second through hole of the upper pin.
The invention is described in further detail below with reference to the drawings and examples; an ammeter converter of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a first embodiment of the present invention (with a second pin being placed in the recess without the upper pin inserted therein);
FIG. 3 is a schematic perspective view of a first embodiment of the present invention (with a second pin inserted into the upper pin);
FIG. 4 is an exploded perspective view of a first embodiment of the present invention;
FIG. 5 is a schematic view showing the cooperation of a relay portion and a base according to a first embodiment of the present invention;
FIG. 6 is a cross-sectional view of a first embodiment of the invention;
FIG. 7 is an enlarged schematic view along section A in FIG. 6;
FIG. 8 is a bottom view of a first embodiment of the invention;
FIG. 9 is a schematic perspective view of a second pin according to a first embodiment of the present invention;
FIG. 10 is a schematic perspective view of an elastic member according to a first embodiment of the present invention;
FIG. 11 is a cross-sectional view of a second embodiment of the invention;
FIG. 12 is a schematic perspective view of an elastic member according to a second embodiment of the present invention;
FIG. 13 is a cross-sectional view of a third embodiment of the invention;
fig. 14 is a schematic perspective view of an elastic member according to a third embodiment of the present invention.
Detailed Description
Example 1
Referring to fig. 1 to 10, an ammeter converter of the present invention includes a base 1, a sleeve 2, an upper cover 3, and a relay part 4; the base 1 is fixed at the lower end of the sleeve 2, the upper cover 3 is fixed at the upper part of the sleeve 2, and the relay part 4 is arranged on the base 1 and is accommodated in a space surrounded by the upper cover 3, the sleeve 2 and the base 1; the relay part 4 is provided with an upper lead-out pin 41 penetrating upward from the upper cover and a lower lead-out pin 42 penetrating downward from the base; a first pin 51 which is abutted against the lower surface of the base 1 to be used as a positioning reference in mounting is inserted into the lower lead-out pin 42; a second pin 52 which is abutted against the upper surface of the upper cover 3 is inserted into the upper lead-out pin 41, so that the insertion force received by the upper lead-out pin 41 is turned into the upper cover 3 and is turned into the sleeve 2, the base 1 and other parts through the upper cover; an elastic piece 6 is arranged between the upper cover 3 and the sleeve 2 and is used for adjusting the position of the upper cover so as to eliminate a gap between the upper cover and the second pin caused by the accumulated tolerance of product assembly; wherein the upper pin 41 has an elastic clamping opening 412. In the invention, the sleeve 2 is arranged on the base 1, the relay part 4 is also arranged on the base 1, the upper cover 3 is arranged on the upper part of the sleeve 2, and a gap is formed between the upper cover and the second pin due to accumulated tolerance caused by product assembly, so that the plugging force born by the upper lead-out pin 41 cannot be transferred to the upper cover 3, and the upper cover 3 can be abutted against the second pin 52 by adjusting the elastic piece 6, thereby ensuring that the plugging force born by the upper lead-out pin 41 is transferred to the upper cover 3.
In this embodiment, the upper cover 3 is provided with a first through hole 31 for allowing the upper lead-out pin 41 to pass through; the upper pin 41 is provided with a second through hole 411 adapted to the second pin 52; after the upper lead-out pin 41 passes through the first through hole 31 of the upper cover 3, the second pin 52 is fitted in the second through hole 411 of the upper lead-out pin 41 and abuts against the upper surface of the upper cover 3.
In this embodiment, a groove 32 capable of accommodating the second pin is further provided in the upper surface of the upper cover 3 beside the corresponding first through hole 31, and when the second pin 52 is fitted into the second through hole 411 of the upper lead-out pin, the second pin 52 is fitted into the groove 32 in the upper surface of the upper cover 3, and the groove 32 functions to facilitate positioning and assembly of the second pin 52.
In this embodiment, the first pin 51 is a cotter pin; the second pin 52 is a round pin.
In this embodiment, the two opposite first peripheral sections 21 at the upper part of the inner side wall of the sleeve 2 are further provided with steps, and the upper cover 3 is embedded in the inner side wall of the sleeve 2; the two opposite second peripheral sections 33 on top of the upper cover 3 are arranged horizontally to ride on the steps of the corresponding first peripheral sections 21 of the sleeve 2, said elastic members 6 are mounted between the second peripheral sections 33 of the upper cover 3 and the first peripheral sections 21 of the sleeve 2, and the upper cover 3 and the sleeve 2 are fixed by means of locking by means of screws 7, so as to adjust the position of the upper cover 3 by means of the degree of locking by means of the screws 7.
In this embodiment, the cross section of the sleeve 2 is circular; the base 1 and the upper cover 3 are respectively arranged in a round shape matched with the sleeve 2.
In this embodiment, the elastic member 6 is a pad made of rubber material.
In the ammeter converter, a first pin 51 which is abutted against the lower surface of a base 1 and is used as a positioning reference during installation is inserted into a lower lead-out pin 42; a second pin 52 which is abutted against the upper surface of the upper cover 3 is inserted into the upper lead-out pin 41 to turn the insertion force received by the upper lead-out pin 41 into the upper cover 3; and an elastic member 6 is installed between the upper cover 3 and the sleeve 2 to adjust the position of the upper cover 3 so as to eliminate a gap between the upper cover 3 and the second pin 52 due to a product assembly tolerance stack-up. During assembly, the screw 7 is screwed to enable the upper cover to compress the elastic piece 6 to move downwards until the second through hole 411 of the upper lead-out pin 41 is completely exposed out of the first through hole 31 of the upper cover 3, then the second pin 52 is put into the groove 32, the second pin 52 is pushed into the second through hole 411 of the upper lead-out pin 41, and then the screw 7 is unscrewed to enable the upper cover to move upwards along with the restoring action of the elastic piece until the second pin 52 is completely abutted. According to the structure, on one hand, the plug-in force received by the upper lead-out pin 41 can be turned into the upper cover 3 by utilizing the action of the second pin 52, and the plug-in force of the plug-in terminals of other external components can be relieved from acting on the relay by turning the upper cover 3 into the sleeve 2, the base 1 and other components; on the other hand, the elastic piece 6 between the upper cover 3 and the sleeve 2 is used for solving the problem of gaps caused by tolerance stack of assembled products, so that the products are better matched and safer.
An ammeter converter of the present invention employs a recess 32 in the upper surface of the upper cover 3, which is provided beside the corresponding first through hole 31 to accommodate the second pin 52, and the second pin 52 is fitted into the recess 32 in the upper surface of the upper cover 3 when it is fitted into the second through hole 411 of the upper lead-out leg 41; meanwhile, the first pin 51 is set as a cotter pin; the second pin 52 is set as a circular pin. The structure of the invention can use the cooperation of the cotter pin 51 and the lower pin 42 as a positioning reference during installation, and the round pin 52 is matched in the groove 32 of the upper cover 3, so that the connection between the upper pin 41 and the upper cover 3 is firmer, the groove 32 also has a guiding function, the round pin 52 can be put into the groove 32 first, and then the round pin 52 is pushed into the second through hole 411 of the upper pin 41.
Example two
Referring to fig. 11 to 12, an ammeter converter according to the present invention is different from the first embodiment in that the elastic member is a spring 61.
Example III
Referring to fig. 13 to 14, an ammeter converter according to the present invention is different from the first embodiment in that the elastic member is formed by cutting a U-shaped slit from a base sheet 62 to form a tongue piece 63 and bending the tongue piece upward.
Of course, the elastic member may be a spring plate bent into a certain shape.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (9)
1. An ammeter converter comprises a base, a sleeve, an upper cover and a relay part; the base is fixed at the lower end of the sleeve, the upper cover is fixed at the upper part of the sleeve, and the relay part is arranged on the base and is accommodated in a space surrounded by the upper cover, the sleeve and the base; the relay part is provided with an upper lead-out pin penetrating upwards from the upper cover and a lower lead-out pin penetrating downwards from the base; the method is characterized in that: a first pin which is leaned against the lower surface of the base to be used as a positioning reference during installation is inserted into the lower leading-out pin; a second pin which is leaned against the upper surface of the upper cover is inserted into the upper lead-out pin, so that the insertion force born by the upper lead-out pin is turned into the upper cover; an elastic piece is arranged between the upper cover and the sleeve and is used for adjusting the position of the upper cover so as to eliminate a gap between the upper cover and the second pin caused by the accumulated tolerance of product assembly; the upper cover is provided with a first through hole allowing the upper leading-out foot to penetrate out; the upper leading-out pin is provided with a second through hole which is matched with the second pin; after the upper lead-out pin penetrates out of the first through hole of the upper cover, the second pin is matched in the second through hole of the upper lead-out pin and abuts against the upper surface of the upper cover.
2. The electricity meter converter of claim 1, wherein: and a groove capable of accommodating the second pin is formed in the upper surface of the upper cover beside the first through hole, and the second pin is matched in the groove of the upper surface of the upper cover when the second pin is matched with the second through hole of the upper lead-out pin.
3. An electricity meter converter according to claim 1 or claim 2, wherein: the first pin is a cotter pin; the second pin is a round pin.
4. The electricity meter converter of claim 1, wherein: the two opposite first peripheral sections of the upper part of the inner side wall of the sleeve are also provided with steps, and the upper cover is embedded in the inner side wall of the sleeve; the two opposite second peripheral sections at the top of the upper cover are horizontally arranged and are lapped on the corresponding steps of the sleeve, the elastic piece is arranged between the second peripheral section of the upper cover and the first peripheral section of the sleeve, and the upper cover and the sleeve are fixed through screw locking, so that the position of the upper cover is adjusted through the screw locking degree.
5. The electricity meter converter of claim 4, wherein: the cross section of the sleeve is circular; the base and the upper cover are respectively arranged in a round shape matched with the sleeve.
6. The electricity meter converter of claim 1, wherein: the elastic piece is a gasket structure made of rubber materials.
7. The electricity meter converter of claim 1, wherein: the elastic piece is a spring.
8. The electricity meter converter of claim 1, wherein: the elastic piece is a spring piece bent into a certain shape.
9. The electricity meter converter of claim 1, wherein: the elastic piece is formed by forming a tongue piece after a U-shaped seam is cut out of the bottom piece and then bending upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326170.7A CN108761158B (en) | 2018-04-12 | 2018-04-12 | Ammeter converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326170.7A CN108761158B (en) | 2018-04-12 | 2018-04-12 | Ammeter converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108761158A CN108761158A (en) | 2018-11-06 |
| CN108761158B true CN108761158B (en) | 2024-05-14 |
Family
ID=63981694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810326170.7A Active CN108761158B (en) | 2018-04-12 | 2018-04-12 | Ammeter converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108761158B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR559199A (en) * | 1922-11-28 | 1923-09-11 | Power outlet circuit breaker | |
| KR950012622U (en) * | 1993-10-15 | 1995-05-17 | 삼성전자주식회사 | Connection device for power electronic device |
| DE19621125A1 (en) * | 1996-05-24 | 1997-11-27 | Siemens Ag | Automobile electronics type SMD plug-in connector |
| CN101520489A (en) * | 2009-03-24 | 2009-09-02 | 贵州航天电器股份有限公司 | Relay detection electrical connection method |
| CN204189719U (en) * | 2014-10-08 | 2015-03-04 | 宁波市鄞州新马电子有限公司 | A kind of relay |
| CN205230953U (en) * | 2015-12-04 | 2016-05-11 | 南阳中天防爆电气有限公司 | Explosion -proof relay |
| CN106058799A (en) * | 2016-07-04 | 2016-10-26 | 厦门宏发开关设备有限公司 | Single-phase self-recovery type overvoltage/undervoltage protector |
| CN106920715A (en) * | 2017-02-22 | 2017-07-04 | 厦门宏发电力电器有限公司 | A kind of installation foot of relay, preparation method and the mounting structure with ammeter base |
| CN208872786U (en) * | 2018-04-12 | 2019-05-17 | 厦门宏发电力电器有限公司 | Ammeter converter |
-
2018
- 2018-04-12 CN CN201810326170.7A patent/CN108761158B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR559199A (en) * | 1922-11-28 | 1923-09-11 | Power outlet circuit breaker | |
| KR950012622U (en) * | 1993-10-15 | 1995-05-17 | 삼성전자주식회사 | Connection device for power electronic device |
| DE19621125A1 (en) * | 1996-05-24 | 1997-11-27 | Siemens Ag | Automobile electronics type SMD plug-in connector |
| CN101520489A (en) * | 2009-03-24 | 2009-09-02 | 贵州航天电器股份有限公司 | Relay detection electrical connection method |
| CN204189719U (en) * | 2014-10-08 | 2015-03-04 | 宁波市鄞州新马电子有限公司 | A kind of relay |
| CN205230953U (en) * | 2015-12-04 | 2016-05-11 | 南阳中天防爆电气有限公司 | Explosion -proof relay |
| CN106058799A (en) * | 2016-07-04 | 2016-10-26 | 厦门宏发开关设备有限公司 | Single-phase self-recovery type overvoltage/undervoltage protector |
| CN106920715A (en) * | 2017-02-22 | 2017-07-04 | 厦门宏发电力电器有限公司 | A kind of installation foot of relay, preparation method and the mounting structure with ammeter base |
| CN208872786U (en) * | 2018-04-12 | 2019-05-17 | 厦门宏发电力电器有限公司 | Ammeter converter |
Non-Patent Citations (1)
| Title |
|---|
| 金属陶瓷封装器件安装中典型失效及注意事项;于剑 等;《电子与封装》;第10卷(第4期);第1-3页 * |
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| Publication number | Publication date |
|---|---|
| CN108761158A (en) | 2018-11-06 |
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