CN113436932A - Shell mounting structure of relay - Google Patents

Shell mounting structure of relay Download PDF

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Publication number
CN113436932A
CN113436932A CN202110571061.3A CN202110571061A CN113436932A CN 113436932 A CN113436932 A CN 113436932A CN 202110571061 A CN202110571061 A CN 202110571061A CN 113436932 A CN113436932 A CN 113436932A
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CN
China
Prior art keywords
mounting
annular
mounting seat
relay
semi
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Granted
Application number
CN202110571061.3A
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Chinese (zh)
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CN113436932B (en
Inventor
杜展
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Churod Electronics Wuhu Co ltd
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Churod Electronics Wuhu Co ltd
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Priority to CN202110571061.3A priority Critical patent/CN113436932B/en
Publication of CN113436932A publication Critical patent/CN113436932A/en
Application granted granted Critical
Publication of CN113436932B publication Critical patent/CN113436932B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00Details of relays
    • H01H45/02Bases; Casings; Covers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00Details of relays
    • H01H45/02Bases; Casings; Covers
    • H01H45/04Mounting complete relay or separate parts of relay on a base or inside a case

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The invention discloses a shell mounting structure of a relay, which belongs to the technical field of relay mounting, wherein a mounting seat is mounted on the mounting plate through a detachable connecting mechanism, outwardly extending limiting blocks are arranged on the periphery of the mounting seat at equal intervals, the connecting mechanism comprises two half-ring bodies which are in butt joint, one butt joint surface of the two half-ring bodies is rotatably connected onto the mounting seat through the same connecting shaft, an annular structure coaxial with the mounting seat is formed when the two half-ring bodies are in butt joint, a connecting block is formed on the other butt joint surface of the two half-ring bodies, the two connecting blocks are in butt joint through bolts, and inserting grooves which correspond to the limiting blocks one by one and are used for inserting the corresponding limiting blocks are formed in the two half-ring bodies. According to the invention, through the arrangement of the mode that one end of the two half ring bodies is hinged with one end of the bolt, the mounting steps of the relay shell are greatly simplified, the mounting efficiency of people on the relay is improved, and meanwhile, the relay is convenient to disassemble and overhaul by people in the later period.

Description

Shell mounting structure of relay
Technical Field
The invention relates to the technical field of relay installation, in particular to a shell installation structure of a relay.
Background
A relay, also called a relay, is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is usually applied in an automatic control circuit, and actually is an "automatic switch" that uses a small current to control a large current; therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.
The current bolt through a plurality of equidistant distributions installs the casing of relay on the mounting panel, lead to people to dismantle in proper order or assemble the bolt on every position, just can with the smooth installation of relay on the mounting panel or dismantle the relay from the mounting panel, people may need to adjust the position of self when carrying out the dismouting to the bolt on the different positions in addition, just can make things convenient for the dismouting to the bolt on the relevant position, this kind of connected mode step is loaded down with trivial details and consuming time, this will influence people greatly to the installation effectiveness of relay.
Disclosure of Invention
1. Technical problem to be solved
The present invention is directed to a housing mounting structure of a relay, which solves the above problems of the related art.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a shell mounting structure of a relay comprises a shell of the relay, a mounting seat and a mounting plate, wherein the mounting seat is formed at the bottom end of the shell, and the mounting seat is arranged on the mounting plate through a detachable connecting mechanism, the mounting seat is in a ring-shaped structure, and the peripheral circumference of the mounting seat is provided with limiting blocks extending outwards at equal intervals, the connecting mechanism comprises two semi-ring bodies which are in butt joint connection, one butt joint surface of the two semi-ring bodies is rotationally connected with the mounting seat through the same connecting shaft, the two semi-ring bodies form an annular structure coaxial with the mounting seat when in butt joint, the other butt joint surface of the two semi-ring bodies is provided with a connecting block in a forming way, and the two connecting blocks are in butt joint connection through bolts, the two semi-ring bodies are provided with inserting grooves which are in one-to-one correspondence with the limiting blocks and are used for inserting the corresponding limiting blocks, and the mounting plate is provided with a locking mechanism which can fix the mounting seat and the semi-ring bodies simultaneously.
Further, be equipped with L type connecting rod on the mounting panel, and the perpendicular fixed connection in top of the vertical position of L type connecting rod and mounting panel, the horizontal position of L type connecting rod can be located between two connecting blocks just when two hemizonids butt joint, and the horizontal position of connecting block, L type connecting rod all offers the perforation that supplies the bolt upper screw to pass.
Furthermore, the height of the half-ring body is slightly greater than that of the mounting plate, and the top end of the central part of each half-ring body is provided with an extension block which limits the upper end surface of the mounting plate and is of a fan-ring-shaped structure in a forming mode.
Furthermore, rubber pads tightly attached to the outer wall of the installation seat are adhered to one sides, facing the outer wall of the installation seat, of the extension block and the semi-ring body.
Furthermore, an annular notch coaxial with the mounting seat is formed in the upper end face of the mounting plate, the inner diameter of the annular notch is just equal to the diameter of the two half-ring bodies forming an annular structure when the two half-ring bodies are in butt joint, the vertical position of the L-shaped connecting rod is vertically fixed to the annular notch, and the locking mechanism is arranged on the annular notch.
Furthermore, all be equipped with screw thread outer lane one on the lateral wall of hemicycle body, annular breach, all stoppers's size is the same, and the one end that the mount pad was kept away from to every stopper is the arc structure coaxial with the mount pad to all be equipped with screw thread outer lane two on the arc terminal surface of every stopper, locking mechanism includes that the screw thread cover is located on the mounting panel and is located the inboard annular latch segment of annular breach, locate annular latch segment and with the screw thread inner circle one of a screw thread outer lane looks adaptation, set up on annular latch segment top and to its inboard sunken annular notch, locate on the annular notch inside wall and with screw thread outer lane diphase screw thread inner circle two of adaptation.
Furthermore, the horizontal position of L type connecting rod, connecting block all are close to the upper end setting of semi-ring body, and the vertical position of L type connecting rod is located the outside of annular latch segment, and annular latch segment can not contact with L type connecting rod, connecting block all the time when rotatory.
Furthermore, shifting blocks are arranged on the periphery of the annular locking block at equal intervals.
3. Advantageous effects
1. According to the invention, one end of each of the two semi-ring bodies is hinged and connected, and the other end of each of the two semi-ring bodies is connected through the bolt, so that when the two semi-ring bodies are in butt joint connection, the annular mounting base at the bottom end of the relay shell can be clamped between the two semi-ring bodies, and when the two semi-ring bodies are in butt joint, the mounting base and the semi-ring bodies can be limited through the plug connection of the limiting blocks and the plug-in grooves, so that the fixing effect of the semi-ring bodies on the relay shell is improved.
2. When the two half ring bodies are in butt joint connection, the two connecting blocks and the L-shaped connecting rod can be fixed together by the aid of the screws on the bolts penetrating through the through holes in the horizontal positions of the two connecting blocks and the L-shaped connecting rod and the nuts, and the L-shaped connecting rod is fixed on the mounting plate, so that the mounting seat on the relay shell can be clamped between the two half ring bodies and the two butted half ring bodies can be fixed on the mounting plate when the bolts are mounted, and stability of the half ring bodies in use is improved.
3. The semi-ring body and the extension block can respectively limit the outer ring and the top end of the annular mounting seat on the relay shell simultaneously, so that the mounting seat can be mounted on the semi-ring body in a relatively stable state, and the fixing effect of the semi-ring body on the relay shell is improved; when the hemicycle body was in the butt joint and was fixed the mount pad on to the relay casing in addition, the deformation that the accessible rubber pad produced increases the laminating degree between mount pad and the hemicycle body to this reinforcing hemicycle body is to the fixed effect of relay casing.
4. When the two semi-rings are clamped on the mounting seat, the threaded inner ring I on the annular locking block can be simultaneously screwed on the semi-rings and the threaded outer ring I of the annular gap through the upward rotation of the annular locking block, and the threaded inner ring II on the annular notch is screwed on the threaded outer ring II on the limiting block, so that the mounting seat, the two semi-rings and the mounting plate on the relay shell can be simultaneously connected together through the annular locking block.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present invention;
FIG. 2 is a schematic view of a portion of FIG. 1;
FIG. 3 is a front view of the internal structure of the mounting plate;
FIG. 4 is a side view of the internal structure of the mounting plate;
FIG. 5 is a schematic top view of the structure of FIG. 3;
FIG. 6 is a schematic top view of the structure of FIG. 1;
fig. 7 is a schematic top view of the mounting seat.
Reference numerals: 1. a housing; 2. a mounting seat; 3. mounting a plate; 4. a hemicyclic body; 5. a connecting shaft; 6. an extension block; 7. a rubber pad; 8. a limiting block; 9. inserting grooves; 10. connecting blocks; 11. a bolt; 12. an L-shaped connecting rod; 13. perforating; 14. an annular gap; 15. an annular locking block; 151. a first thread inner ring; 16. an annular recess; 161. a second threaded inner ring; 17. a first thread outer ring; 18. a second thread outer ring; 19. and (5) shifting blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1, 5, 6, 7, a housing mounting structure of a relay comprises a housing 1 of the relay, a mounting seat 2 and a mounting plate 3, wherein the mounting seat 2 is formed at the bottom end of the housing 1, the mounting seat 2 is mounted on the mounting plate 3 through a detachable connecting mechanism, the mounting seat 2 is in an annular structure, outwardly extending limiting blocks 8 are arranged on the peripheral circumference of the mounting seat 2 at equal intervals, the connecting mechanism comprises two half-rings 4 which are in butt joint connection, one of the butt joint surfaces is rotatably connected to the mounting seat 2 through a same connecting shaft 5, the two half-rings 4 form an annular structure coaxial with the mounting seat 2 when in butt joint, a connecting block 10 is formed on the other butt joint surface of the two half-rings 4, the two half-rings 10 are in butt joint connection through bolts 11, two half-rings 4 are provided with inserting grooves 9 which are in one-to-one correspondence with the limiting blocks 8 and are used for inserting the corresponding limiting blocks 8, mounting panel 3 is equipped with and to mount pad 2 simultaneously, the locking mechanism that half-ring body 4 was fixed, this kind of setting through the articulated other end of connecting of two 4 one ends of half-ring body passes through bolt 11 and connects, make two half-ring body 4 when butt joint is connected, just can block annular mount pad 2 of 1 bottom of relay's casing between two half-ring body 4, and two half-ring body 4 are when the butt joint, go back the grafting connection of stopper 8 and inserting groove 9, it is spacing to carrying on between mount pad 2 and the half-ring body 4, in order to improve half-ring body 4 to relay casing 1's fixed effect, in addition through the setting of the articulated one end bolt 11 connected mode of one end between two half-ring body 4, the installation procedure of relay casing 1 has been simplified greatly, the installation effectiveness of people to the relay has been improved, also make things convenient for later stage people to overhaul the dismantlement of relay simultaneously.
As shown in fig. 4, 5 and 6, the mounting plate 3 is provided with an L-shaped connecting rod 12, the vertical portion of the L-shaped connecting rod 12 is vertically and fixedly connected with the top end of the mounting plate 3, the horizontal portion of the L-shaped connecting rod 12 can be exactly located between the two connecting blocks 10 when the two half-rings 4 are butted, and the horizontal portions of the connecting blocks 10 and the L-shaped connecting rod 12 are both provided with through holes 13 for the screw rods of the bolts 11 to pass through, when the two half-rings 4 are butted and connected, the two connecting blocks 10 and the L-shaped connecting rod 12 can be fixed together by the screw rods of the bolts 11 passing through the through holes 13 of the horizontal portions of the two connecting blocks 10 and the L-shaped connecting rod 12 and locking of the nuts, and because the L-shaped connecting rod 12 is fixed on the mounting plate 3, the bolts 11 can clamp the mounting base 2 on the relay housing 1 between the two half-rings 4 and can also fix the two butted half-rings 4 on the mounting plate 3, thereby enhancing the stability of the half-ring body 4 in use.
As shown in fig. 2, the height of the half-ring body 4 is slightly greater than the height of the mounting plate 3, and the top end of the central portion of each half-ring body 4 is provided with an extending block 6 which limits the upper end surface of the mounting plate 3 and is of a fan-shaped structure, the outer ring and the top end of the annular mounting seat 2 on the relay casing 1 can be limited simultaneously by the half-ring body 4 and the extending block 6 respectively, so that the mounting seat 2 can be installed on the half-ring body 4 in a relatively stable state, and the fixing effect of the half-ring body 4 on the relay casing is improved.
As shown in fig. 2, the extension block 6, the semi-ring body 4 all glue towards one side of the outer wall of the mounting seat 2 and have the rubber pad 7 that closely laminates with the outer wall of the mounting seat 2, and when the semi-ring body 4 is in butt joint and is fixed to the mounting seat 2 on the relay housing 1, the deformation that accessible rubber pad 7 produced increases the laminating degree between the mounting seat 2 and the semi-ring body 4 to this reinforcing semi-ring body 4 is to the fixed effect of relay housing.
As shown in fig. 1, 2, 3, and 4, an annular gap 14 coaxial with the mounting base 2 is formed on the upper end surface of the mounting plate 3, the inner diameter of the annular gap 14 is just equal to the diameter of the two half-rings 4 forming an annular structure when in butt joint, the vertical part of the L-shaped connecting rod 12 is vertically fixed on the annular gap 14, and the locking mechanism is arranged on the annular gap 14.
As shown in fig. 2, the half-rings 4 and the outer side walls of the annular gap 14 are respectively provided with a first threaded outer ring 17, all the limiting blocks 8 have the same size, one end of each limiting block 8 far away from the mounting seat 2 is of an arc-shaped structure coaxial with the mounting seat 2, and the arc-shaped end surface of each limiting block 8 is provided with a second threaded outer ring 18, the locking mechanism comprises an annular locking block 15 which is sleeved on the mounting plate 3 in a threaded manner and is positioned inside the annular gap 14, a first threaded inner ring 151 which is arranged on the inner ring of the annular locking block 15 and is matched with the first threaded outer ring 17, an annular notch 16 which is arranged at the top end of the annular locking block 15 and is recessed towards the inner side, and a second threaded inner ring 161 which is arranged on the inner side wall of the annular notch 16 and is matched with the second threaded outer ring 18, when the two half-rings 4 are clamped on the mounting seat 2, the first threaded inner ring 151 on the annular locking block 15 can be simultaneously screwed on the half-rings 4 through the upward rotation of the annular locking block 15, On the screw thread outer lane 17 of annular breach 14 to and screw thread inner circle two 161 on the annular recess 16 connect on the screw thread outer lane two 18 on stopper 8 soon, make annular latch segment 15 can link together mount pad 2, two hemizonids 4, the 3 three of mounting panel on the relay casing 1 simultaneously, this kind of connected mode is simple and stable effectual, still makes things convenient for people's operation installation greatly simultaneously.
As shown in fig. 4, the horizontal position of the L-shaped connecting rod 12 and the upper end of the connecting block 10 are both close to the semi-ring body 4, the vertical position of the L-shaped connecting rod 12 is located outside the annular locking block 15, the annular locking block 15 can not contact with the L-shaped connecting rod 12 and the connecting block 10 all the time when rotating, and the setting of the positions of the L-shaped connecting rod 12 and the connecting block 10 can ensure that the annular locking block 15 can not contact with the L-shaped connecting rod 12 and the connecting block 10 all the time when rotating.
As shown in fig. 7, the shifting blocks 19 are arranged on the periphery of the annular locking block 15 at equal intervals, and the shifting blocks 19 facilitate the rotation of the annular locking block 15.
The specific application process of the shell mounting structure of the relay comprises the following steps: when the relay shell is used, the annular mounting seat 2 on the relay shell 1 is firstly placed on the mounting plate 3, then the two semi-ring bodies 4 are in butt joint, when the two semi-ring bodies 4 are in butt joint, the limiting blocks 8 on the mounting seat 2 need to be inserted into the insertion grooves 9 of the semi-ring bodies 4 one by one, then the connecting blocks 10 at the free end points of the two semi-ring bodies 4 are fixedly connected through the bolts 11, and because the horizontal position of the L-shaped connecting rod 12 is positioned between the two connecting blocks 10, when a screw on the bolt 11 passes through the connecting blocks 10 and the through holes 13 on the horizontal position of the L-shaped connecting rod 12, the two semi-ring bodies 4 are fixed on the mounting plate 3;
secondly, the annular locking block 15 is manually rotated and is rotated upwards, when a first thread inner ring 151 on the annular locking block 15 is simultaneously screwed on the semi-ring body 4 and a first thread outer ring 17 of the annular gap 14, and a second thread inner ring 161 on the annular notch 16 is screwed on a second thread outer ring 18 on the limiting block 8, the annular locking block 15 can simultaneously connect the mounting seat 2, the two semi-ring bodies 4 and the mounting plate 3 on the relay shell 1 together, the connection mode is simple and has good stability effect, and meanwhile, the operation and the mounting of people are greatly facilitated; thus, the use of the housing mounting structure of the relay is completed.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (8)

1. A shell mounting structure of a relay comprises a shell (1), a mounting seat (2) and a mounting plate (3) of the relay, wherein the mounting seat (2) is formed at the bottom end of the shell (1), and the mounting seat (2) is mounted on the mounting plate (3) through a detachable connecting mechanism, the shell mounting structure is characterized in that the mounting seat (2) is of an annular structure, limit blocks (8) extending outwards are arranged on the periphery of the mounting seat (2) at equal intervals, the connecting mechanism comprises two semi-ring bodies (4) which are in butt joint and one of the butt joint surfaces is rotatably connected onto the mounting seat (2) through a same connecting shaft (5), the two semi-ring bodies (4) form an annular structure coaxial with the mounting seat (2) when in butt joint, a connecting block (10) is formed on the other butt joint surface of the two semi-ring bodies (4), and the two connecting blocks (10) are in butt joint through bolts (11), the two semi-ring bodies (4) are provided with insertion grooves (9) which correspond to the limiting blocks (8) one to one and are used for inserting the corresponding limiting blocks (8), and the mounting plate (3) is provided with a locking mechanism which can fix the mounting seat (2) and the semi-ring bodies (4) at the same time.
2. The housing mounting structure of the relay according to claim 1, wherein the mounting plate (3) is provided with an L-shaped connecting rod (12), a vertical part of the L-shaped connecting rod (12) is vertically and fixedly connected with the top end of the mounting plate (3), a horizontal part of the L-shaped connecting rod (12) can be exactly positioned between the two connecting blocks (10) when the two half-rings (4) are butted, and the horizontal parts of the connecting blocks (10) and the L-shaped connecting rod (12) are provided with through holes (13) for the screws on the bolts (11) to pass through.
3. The housing mounting structure of a relay according to claim 1, wherein the height of the half-ring body (4) is slightly greater than that of the mounting plate (3), and an extension block (6) which limits the upper end surface of the mounting plate (3) and has a fan-ring structure is formed at the top end of the central part of each half-ring body (4).
4. The housing mounting structure of the relay according to claim 3, wherein the rubber pads (7) closely attached to the outer wall of the mounting base (2) are adhered to the extension block (6) and one side of the semi-ring body (4) facing the outer wall of the mounting base (2).
5. The housing mounting structure of the relay according to claim 2, wherein an annular gap (14) coaxial with the mounting base (2) is formed in the upper end surface of the mounting plate (3), the inner diameter of the annular gap (14) is just equal to the diameter of an annular structure formed by the two half-ring bodies (4) when the two half-ring bodies are butted, the vertical part of the L-shaped connecting rod (12) is vertically fixed on the annular gap (14), and the locking mechanism is arranged on the annular gap (14).
6. A housing mounting structure of a relay according to claim 5, the outer side walls of the semi-ring body (4) and the annular gap (14) are respectively provided with a first threaded outer ring (17), all the limiting blocks (8) have the same size, and one end of each limiting block (8) far away from the mounting seat (2) is of an arc structure coaxial with the mounting seat (2), and the arc end surface of each limit block (8) is provided with a second thread outer ring (18), locking mechanism includes that the screw thread cover is located mounting panel (3) and is located annular locking piece (15) of annular breach (14) inboard, locate annular locking piece (15) inner circle and with screw thread outer lane one (17) looks adaptation screw thread inner circle (151), set up annular locking piece (15) top and to its inboard annular notch (16) of caving in, locate on annular notch (16) inside wall and with screw thread outer lane two (18) looks adaptation screw thread inner circle two (161).
7. The housing mounting structure of a relay according to claim 6, wherein the horizontal portion of the L-shaped connecting rod (12) and the connecting block (10) are both disposed near the upper end of the semi-ring body (4), and the vertical portion of the L-shaped connecting rod (12) is located outside the annular locking block (15), and the annular locking block (15) is not in contact with the L-shaped connecting rod (12) and the connecting block (10) all the time when rotating.
8. The housing mounting structure of a relay according to claim 6, wherein the outer periphery of the annular locking piece (15) is provided with a plurality of shift blocks (19) at equal intervals.
CN202110571061.3A 2021-05-25 2021-05-25 Shell mounting structure of relay Active CN113436932B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110571061.3A CN113436932B (en) 2021-05-25 2021-05-25 Shell mounting structure of relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110571061.3A CN113436932B (en) 2021-05-25 2021-05-25 Shell mounting structure of relay

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CN113436932A true CN113436932A (en) 2021-09-24
CN113436932B CN113436932B (en) 2023-02-24

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140232495A1 (en) * 2013-02-21 2014-08-21 Johnson Electric S.A. Relay assembly with fastening clip
CN205609445U (en) * 2016-05-09 2016-09-28 温州赫玛汽车部件有限公司 Agricultural vehicle open dynamic relay
CN207542141U (en) * 2017-11-08 2018-06-26 长兴思瑞电子科技有限公司 A kind of safety guard for relay
CN208444789U (en) * 2018-05-18 2019-01-29 上海世携新能源科技有限公司 A kind of radiator of D.C. contactor
CN210272199U (en) * 2019-09-27 2020-04-07 深圳市鑫博精密机械有限公司 Energy-saving relay board of industrial robot
CN210778420U (en) * 2019-08-08 2020-06-16 天津万福鸿智能电气科技有限公司 Relay with high safety and convenient to maintain
JP2020126708A (en) * 2019-02-01 2020-08-20 三菱電機株式会社 Connection correspondence relay device
CN211646373U (en) * 2020-01-11 2020-10-09 湖南中信水电建设有限公司 Anti-pulling prestressed concrete pipe pile
CN212303570U (en) * 2020-07-31 2021-01-05 江西王利电子有限公司 Domestic relay convenient to installation
CN212542094U (en) * 2020-07-03 2021-02-12 阜阳电力规划设计院有限公司 Transformer convenient to install
CN112435896A (en) * 2020-11-06 2021-03-02 西安鼎腾电子科技有限公司 Error-proof relay set convenient to assemble
CN112530744A (en) * 2020-12-22 2021-03-19 东海县通灵电器有限公司 Relay with arc extinguishing structure

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140232495A1 (en) * 2013-02-21 2014-08-21 Johnson Electric S.A. Relay assembly with fastening clip
CN205609445U (en) * 2016-05-09 2016-09-28 温州赫玛汽车部件有限公司 Agricultural vehicle open dynamic relay
CN207542141U (en) * 2017-11-08 2018-06-26 长兴思瑞电子科技有限公司 A kind of safety guard for relay
CN208444789U (en) * 2018-05-18 2019-01-29 上海世携新能源科技有限公司 A kind of radiator of D.C. contactor
JP2020126708A (en) * 2019-02-01 2020-08-20 三菱電機株式会社 Connection correspondence relay device
CN210778420U (en) * 2019-08-08 2020-06-16 天津万福鸿智能电气科技有限公司 Relay with high safety and convenient to maintain
CN210272199U (en) * 2019-09-27 2020-04-07 深圳市鑫博精密机械有限公司 Energy-saving relay board of industrial robot
CN211646373U (en) * 2020-01-11 2020-10-09 湖南中信水电建设有限公司 Anti-pulling prestressed concrete pipe pile
CN212542094U (en) * 2020-07-03 2021-02-12 阜阳电力规划设计院有限公司 Transformer convenient to install
CN212303570U (en) * 2020-07-31 2021-01-05 江西王利电子有限公司 Domestic relay convenient to installation
CN112435896A (en) * 2020-11-06 2021-03-02 西安鼎腾电子科技有限公司 Error-proof relay set convenient to assemble
CN112530744A (en) * 2020-12-22 2021-03-19 东海县通灵电器有限公司 Relay with arc extinguishing structure

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