阅读说明：本技术 一种壳体构造改进型电磁继电器 (Electromagnetic relay with improved shell structure ) 是由 唐俊平 于 2021-02-07 设计创作，主要内容包括：本发明涉及继电器技术领域,尤其涉及一种壳体构造改进型电磁继电器,包括固定架,固定架设置有电磁铁组件、触点组件以及推动组件,触点组件包括正极端子与负极端子,电磁铁组件用于驱动推动组件移动,推动组件驱动正极端子与负极端子导通或断开,固定架外部设置有顶壳以及与顶壳可拆卸连接的底壳,顶壳顶部开设有第一通孔与第二通孔,正极端子与负极端子分别穿过第一通孔与第二通孔再突伸出顶壳,第一通孔与第二通孔之间设置有用于阻隔分离正极端子与负极端子的隔挡板,顶壳外壁设置有用于供外界电源线连接的接线端盖,外界电源线穿过接线端盖再与电磁铁组件电性连接,有效提高继电器的内部空间利用率,满足电器、电子产品小型化的使用需要。(The invention relates to the technical field of relays, in particular to an electromagnetic relay with an improved shell structure, which comprises a fixed frame, wherein the fixed frame is provided with an electromagnet assembly, a contact assembly and a pushing assembly, the contact assembly comprises a positive terminal and a negative terminal, the electromagnet assembly is used for driving the pushing assembly to move, the pushing assembly drives the positive terminal and the negative terminal to be connected or disconnected, the fixed frame is externally provided with a top shell and a bottom shell detachably connected with the top shell, the top of the top shell is provided with a first through hole and a second through hole, the positive terminal and the negative terminal respectively penetrate through the first through hole and the second through hole and then protrude out of the top shell, a separation baffle plate for separating the positive terminal and the negative terminal is arranged between the first through hole and the second through hole, the outer wall of the top shell is provided with a wiring end cover for connecting an external power line, and the external, effectively improve the internal space utilization ratio of the relay and meet the use requirements of miniaturization of electric appliances and electronic products.)

1. The utility model provides a casing structure improved generation electromagnetic relay, includes the mount, the mount is provided with the promotion subassembly that electromagnet assembly, contact subassembly and activity set up, the contact subassembly includes positive terminal and negative terminal, electromagnet assembly is used for the drive to promote the subassembly and removes, and the promotion subassembly drive positive terminal that removes switches on or breaks off its characterized in that with the negative terminal: the utility model discloses a separation device of electromagnet assembly, including mount, positive terminal, negative terminal, positive through-hole, the outer wall of top shell is provided with and is used for supplying external power cord to be connected, the outside of mount is provided with the top shell and can dismantle the drain pan of being connected with the top shell, first through-hole and second through-hole have been seted up at the top of top shell, positive terminal and negative terminal pass first through-hole and second through-hole respectively and stretch out the top shell again suddenly, be provided with the baffle that separates that is used for separation positive terminal and negative terminal between first through-hole and the second through-hole, the outer wall of top shell is provided with.

2. An electromagnetic relay with an improved housing structure as claimed in claim 1, wherein: one side of the top shell close to the first through hole is provided with a positive pole mark, one side of the top shell close to the second through hole is provided with a negative pole mark, the two sides of the top shell are provided with clamping holes, and the two sides of the bottom shell are provided with clamping blocks matched and connected with the clamping holes.

3. An electromagnetic relay with an improved housing structure as claimed in claim 1, wherein: the promotion subassembly includes a sealed section of thick bamboo, a sealed section of thick bamboo passes the electro-magnet subassembly and connects in the mount, the junction between a sealed section of thick bamboo and the mount is connected with the sleeve, be provided with the piece of cup jointing in the sealed section of thick bamboo, the inside cover of piece of cup jointing is equipped with the push rod, the outside cover of piece of cup jointing is equipped with the iron core, the one end of push rod is stretched out the piece of cup jointing suddenly and is provided with and moves the touch panel, move the touch panel and cup joint and be provided with reset spring between the piece, the other end of push rod is stretched out the piece of cup jointing suddenly and is provided with armature, move the touch panel and positive terminal, negative.

4. An electromagnetic relay with an improved housing structure as claimed in claim 3, wherein: the contact assembly is provided with a ceramic shell, the ceramic shell is provided with a first mounting hole and a second mounting hole, the positive terminal and the negative terminal respectively penetrate through the first mounting hole and the second mounting hole and protrude out of the ceramic shell, the inner wall of the ceramic shell is convexly provided with a plurality of guide sliding columns, and the movable contact plate slides up and down along the guide sliding columns.

5. An electromagnetic relay with improved housing structure as claimed in claim 4, wherein: the two sides of the fixing frame, which are close to the ceramic shell, are respectively provided with a first magnet and a second magnet, and the polarities of the first magnet and the second magnet are opposite.

6. An electromagnetic relay with improved housing structure as claimed in claim 5, wherein: the quantity of direction traveller is four and all contradicts with the movable contact board, and two adjacent direction travelers are parallel to each other and the interval sets up.

7. An electromagnetic relay with improved housing structure as claimed in claim 6, wherein: the protruding a plurality of setting element that is equipped with of inner wall of epitheca, the setting element includes the location riser block and the location horizontal piece that the interval set up, the tip of location riser block is provided with the direction inclined plane, location riser block, location horizontal piece and ceramic shell butt.

8. An electromagnetic relay with an improved housing structure as claimed in claim 1, wherein: the electro-magnet subassembly includes the skeleton and installs in the coil of skeleton, the skeleton includes integrated into one piece's first assembly plate, well hollow column and second assembly plate, the coil twines in well hollow column, first assembly plate is provided with the wiring port, the wiring port is connected with external power cord, the outside at the wiring port is established to wiring end cover, the second assembly plate is provided with the card and holds the piece, the card is held the piece and is pegged graft with the mount cooperation.

9. An electromagnetic relay with an improved housing structure as claimed in claim 8, wherein: the wiring end cover is provided with a third through hole and a fourth through hole, and an external power line penetrates through the third through hole and the fourth through hole respectively and then is connected to the wiring port.

10. An electromagnetic relay with an improved housing structure as claimed in claim 1, wherein: and mounting lugs are arranged on two sides of the top shell, and fastening ferrules are arranged in the mounting lugs.

Technical Field

The invention relates to the technical field of relays, in particular to an electromagnetic relay with an improved shell structure.

Background

The relay is widely used in automatic control equipment, and is an 'automatic switch' which uses smaller current and lower voltage to control larger current and higher voltage, so that the relay plays roles of automatic regulation, safety protection, circuit conversion and the like in a circuit. At present, along with electric appliances and electronic products developing towards miniaturization, the reserved space in the electric appliances and electronic products is smaller and smaller, and the traditional relay is complex in structure, and the distance between working elements is larger, so that the relay needs to occupy a larger space, and further the relay is large in size and difficult to disassemble and assemble, and the miniaturized use requirements of the electric appliances and electronic products cannot be well met.

Disclosure of Invention

The invention aims to provide an electromagnetic relay with an improved shell structure, which aims to overcome the defects of the prior art, so that the occupied area of a working element is small through compact and optimized structure, the utilization rate of the internal space of the relay is effectively improved, the volume of the relay can be greatly reduced, and the use requirement of miniaturization of electric appliances and electronic products is better met.

In order to achieve the above object, the present invention provides an electromagnetic relay with an improved housing structure, which includes a fixed frame, wherein the fixed frame is provided with an electromagnet assembly, a contact assembly and a movably arranged pushing assembly, the contact assembly includes a positive terminal and a negative terminal, the electromagnet assembly is used for driving the pushing assembly to move, the moving pushing assembly drives the positive terminal and the negative terminal to be connected or disconnected, the fixed frame is externally provided with a top housing and a bottom housing detachably connected with the top housing, the top of the top housing is provided with a first through hole and a second through hole, the positive terminal and the negative terminal respectively pass through the first through hole and the second through hole and then protrude out of the top housing, a separation baffle plate for separating the positive terminal and the negative terminal is arranged between the first through hole and the second through hole, the outer wall of the top housing is provided with a connection end cover for connecting an external power line, and the external power line penetrates through the wiring end cover and is electrically connected with the electromagnet assembly.

Preferably, one side of the top shell close to the first through hole is provided with a positive pole mark, one side of the top shell close to the second through hole is provided with a negative pole mark, the two sides of the top shell are provided with clamping holes, and the two sides of the bottom shell are provided with clamping blocks connected with the clamping holes in a matched mode.

Preferably, the promotion subassembly includes a sealed section of thick bamboo, a sealed section of thick bamboo passes the electro-magnet subassembly and connects in the mount, the junction between a sealed section of thick bamboo and the mount is connected with the sleeve, be provided with the socket joint piece in the sealed section of thick bamboo, the inside cover of socket joint piece is equipped with the push rod, the outside cover of socket joint piece is equipped with the iron core, the one end of push rod is stretched out the socket joint piece suddenly and is provided with and moves the touch panel, it is provided with reset spring to move between touch panel and the socket joint piece, the other end of push rod is stretched out the socket joint piece suddenly and is provided with armature, move touch panel and positive terminal, negative terminal interval and relative setting, armature.

Preferably, the contact assembly is provided with a ceramic shell, the ceramic shell is provided with a first mounting hole and a second mounting hole, the positive terminal and the negative terminal respectively penetrate through the first mounting hole and the second mounting hole and protrude out of the ceramic shell, the inner wall of the ceramic shell is convexly provided with a plurality of guide sliding columns, and the movable contact plate slides up and down along the guide sliding columns.

Preferably, the two sides of the fixing frame close to the ceramic shell are respectively provided with a first magnet and a second magnet, and the polarities of the first magnet and the second magnet are opposite.

Preferably, the number of the guide sliding columns is four, the guide sliding columns are abutted to the movable contact plate, and two adjacent guide sliding columns are arranged in parallel and at intervals.

Preferably, the protruding a plurality of setting element that is equipped with of inner wall of epitheca, the setting element includes location riser block and the location horizontal piece that the interval set up, the tip of location riser block is provided with the direction inclined plane, location riser block, location horizontal piece and ceramic shell butt.

Preferably, electromagnet assembly includes the skeleton and installs in the coil of skeleton, the skeleton includes integrated into one piece's first assembly plate, well hollow column and second assembly plate, the coil twines in well hollow column, first assembly plate is provided with the wiring port, the wiring port is connected with external power cord, the outside at the wiring port is established to wiring end cover, the second assembly plate is provided with the card and holds the piece, the card is held the piece and is pegged graft with the mount cooperation.

Preferably, the wiring end cover is provided with a third through hole and a fourth through hole, and the external power line penetrates through the third through hole and the fourth through hole respectively and then is connected to the wiring port.

Preferably, both sides of the top shell are provided with mounting lugs, and fastening ferrules are arranged in the mounting lugs.

The invention has the beneficial effects that: an electromagnetic relay with improved shell structure comprises a fixed frame, wherein the fixed frame is provided with an electromagnet assembly, a contact assembly and a pushing assembly which is movably arranged, the contact assembly comprises a positive terminal and a negative terminal, the electromagnet assembly is used for driving the pushing assembly to move, the moving pushing assembly drives the positive terminal and the negative terminal to be connected or disconnected, the outer part of the fixed frame is provided with a top shell and a bottom shell detachably connected with the top shell, the top of the top shell is provided with a first through hole and a second through hole, the positive terminal and the negative terminal respectively pass through the first through hole and the second through hole and then protrude out of the top shell, a baffle plate for separating the positive terminal from the negative terminal is arranged between the first through hole and the second through hole, the outer wall of top shell is provided with the wiring end cover that is used for supplying external power cord to connect, external power cord passes the wiring end cover and then with electromagnet assembly electric connection.

When the electromagnetic relay works, an external power line penetrates through the wiring end cover and then is electrically connected with the electromagnet assembly, so that the electromagnet assembly generates strong magnetic attraction, the electromagnet assembly drives the pushing assembly to move up and down, the pushing assembly which moves up and down drives the positive terminal and the negative terminal to be connected or disconnected, the response efficiency of the relay is improved, and the large stroke design is met, the positive terminal and the negative terminal respectively pass through the first through hole and the second through hole and then protrude out of the top shell, so that the electromagnetic relay has the advantages of reasonable structural design, high space utilization rate, convenience in installation and reliability in positioning, and capability of ensuring that the terminals are not loosened and fall off due to the influence of external vibration, the baffle is used for separating the positive terminal and the negative terminal, the positive terminal and the negative terminal are ensured to work independently, electromagnetic interference is shielded, normal and stable work is ensured, and the top shell and the bottom shell, good practicability and long service life. According to the invention, through compact optimization of the structure, the occupied area of the working element is small, the utilization rate of the internal space of the relay is effectively improved, the volume of the relay can be greatly reduced, and the use requirement of miniaturization of electric appliances and electronic products is better met.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view after the top case is hidden according to the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a schematic structural view of the ceramic shell of the present invention.

FIG. 5 is an exploded view of the pushing assembly of the present invention.

Fig. 6 is a schematic structural view of the top case of the present invention.

Fig. 7 is a schematic view of the internal structure of the top case of the present invention.

The reference numerals include:

1-fixed frame 11-first magnet 12-second magnet

2-electromagnet assembly 21-framework 22-coil

23-first assembly plate 24-hollow column 25-second assembly plate

26-connection port 27-holding piece

3-contact assembly 31-positive terminal 32-negative terminal

33-ceramic shell 34-first mounting hole 35-second mounting hole

36-guide strut

4-pushing assembly 41-sealing cylinder 42-sleeve

43-sleeve joint 44-push rod 45-iron core

46-moving contact plate 47-return spring 48-armature

5-Top Shell 51-first through-hole 52-second through-hole

53-baffle

54-wiring end cover 541-third through hole 542-fourth through hole

55-positive pole mark 56-negative pole mark 57-clamping hole

58-positioning vertical block 59-positioning transverse block 510-guide inclined plane

511-mounting lug 512-fastening ferrule 513-shock pad

514-limiting block

6-bottom shell 61-block

7-external power line.

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1 to 7, an electromagnetic relay with an improved housing structure according to the present invention includes a fixed frame 1, the fixed frame 1 is provided with an electromagnet assembly 2, a contact assembly 3 and a movably disposed pushing assembly 4, the contact assembly 3 includes a positive terminal 31 and a negative terminal 32, the electromagnet assembly 2 is used for driving the pushing assembly 4 to move, the moving pushing assembly 4 drives the positive terminal 31 and the negative terminal 32 to be connected or disconnected, a top housing 5 and a bottom housing 6 detachably connected to the top housing 5 are disposed outside the fixed frame 1, a first through hole 51 and a second through hole 52 are disposed at the top of the top housing 5, the positive terminal 31 and the negative terminal 32 respectively pass through the first through hole 51 and the second through hole 52 and then protrude out of the top housing 5, a separation baffle 53 for separating the positive terminal 31 and the negative terminal 32 is disposed between the first through hole 51 and the second through hole 52, the outer wall of the top shell 5 is provided with a wiring end cover 54 for connecting an external power line 7, and the external power line 7 penetrates through the wiring end cover 54 and then is electrically connected with the electromagnet assembly 2.

When the electromagnetic relay works, an external power line 7 penetrates through the wiring end cover 54 and is electrically connected with the electromagnet assembly 2, so that the electromagnet assembly 2 generates strong magnetic attraction, the electromagnet assembly 2 drives the pushing assembly 4 to move up and down, the pushing assembly 4 which moves up and down drives the positive terminal 31 and the negative terminal 32 to be connected or disconnected, the response efficiency of the relay is improved, and the large stroke design is met, the positive terminal 31 and the negative terminal 32 respectively penetrate through the first through hole 51 and the second through hole 52 and then protrude out of the top shell 5, the structure design is reasonable, the space utilization rate is high, the installation is convenient, the positioning is reliable, the connection looseness and falling of the terminals caused by the influence of external vibration are avoided, the partition plate 53 is used for separating the positive terminal 31 and the negative terminal 32, the independent work of the positive terminal 31 and the negative terminal 32 is ensured, the electromagnetic interference is shielded, through the detachable construction between top shell 5 and the drain pan 6, be favorable to the convenient loading and unloading between top shell 5 and the drain pan 6, the practicality is good and long service life. According to the invention, through compact optimization of the structure, the occupied area of the working element is small, the utilization rate of the internal space of the relay is effectively improved, the volume of the relay can be greatly reduced, and the use requirement of miniaturization of electric appliances and electronic products is better met.

As shown in fig. 1, 3 and 6, in the present embodiment, a positive mark 55 is disposed on one side of the top case 5 close to the first through hole 51, a negative mark 56 is disposed on one side of the top case 5 close to the second through hole 52, clamping holes 57 are disposed on both sides of the top case 5, and clamping blocks 61 matched and connected with the clamping holes 57 are disposed on both sides of the bottom case 6. Specifically, one side that top shell 5 is close to first through-hole 51, second through-hole 52 is provided with anodal sign 55, negative pole sign 56 respectively, and the mark is clear obvious, effectively prevents to cause the short circuit because the wiring mistake, utilizes fixture block 61 and card hole 57 to match the joint, ensures to dismantle between drain pan 6 and the top shell 5 and is connected, and the dismouting is simple convenient.

As shown in fig. 3 and 5, the pushing assembly 4 of this embodiment includes a sealing cylinder 41, the sealing cylinder 41 passes through the electromagnet assembly 2 and is connected to the fixing frame 1, a joint between the sealing cylinder 41 and the fixing frame 1 is connected to a sleeve 42, a sleeve 43 is provided in the sealing cylinder 41, a push rod 44 is sleeved inside the sleeve 43, an iron core 45 is sleeved outside the sleeve 43, one end of the push rod 44 protrudes out of the sleeve 43 to be provided with a movable contact plate 46, a return spring 47 is provided between the movable contact plate 46 and the sleeve 43, the other end of the push rod 44 protrudes out of the sleeve 43 to be provided with an armature 48, the movable contact plate 46 and the positive terminal 31 and the negative terminal 32 are spaced and arranged relatively, and the armature 48 and the iron core 45 are spaced and arranged relatively. Specifically, the sealing cylinder 41 passes through the electromagnet assembly 2 and is connected to the fixed frame 1, a sleeve 42 is connected to a connection position between the sealing cylinder 41 and the fixed frame 1, so as to effectively improve connection stability, the sleeve 43 is sleeved inside the iron core 45, the push rod 44 is movably installed inside the sleeve 43, one end of the push rod 44 protrudes out of the sleeve 43 and is provided with a movable contact plate 46, the other end of the push rod 44 protrudes out of the sleeve 43 and is provided with an armature 48, when the external power line 7 is connected with the electromagnet assembly 2, the electromagnet assembly 2 is electrified to generate a magnetic field, the magnetic field acts on the sealing cylinder 41, so that a magnetic circuit closed loop is formed inside the sealing cylinder 41, the iron core 45 stably attracts the armature 48 to move upwards, the armature 48 drives the movable contact plate 46 to move upwards through the push rod 44 until the movable contact plate 46 is in contact conduction with the positive terminal 31 and the negative terminal 32, so as, when the external power cord 7 disconnects the electromagnet assembly 2, the electromagnet assembly 2 no longer generates a magnetic field, the armature 48 is separated from the iron core 45 under the action of self gravity, and the return spring 47 urges the movable contact plate 46 to return to the initial position under the action of elasticity, so that the movable contact plate 46 is disconnected from the positive terminal 31 and the negative terminal 32.

As shown in fig. 2, 3 and 4, the contact assembly 3 of the present embodiment is provided with a ceramic shell 33, the ceramic shell 33 is provided with a first mounting hole 34 and a second mounting hole 35, the positive terminal 31 and the negative terminal 32 respectively pass through the first mounting hole 34 and the second mounting hole 35 and protrude out of the ceramic shell 33, the inner wall of the ceramic shell 33 is convexly provided with a plurality of guide sliding columns 36, and the movable contact plate 46 slides up and down along the guide sliding columns 36. Specifically, the positive terminal 31 and the negative terminal 32 respectively pass through the first mounting hole 34 and the second mounting hole 35 and protrude out of the ceramic shell 33, the structural design is reasonable, the space utilization rate is high, the positioning and mounting are reliable, the inner wall of the ceramic shell 33 is convexly provided with four guide sliding columns 36 which are arranged at intervals and in parallel, the outer surfaces of the four guide sliding columns 36 are respectively provided with an arc-shaped surface, the arc-shaped surfaces are used for abutting against the touch contact plate 46, and the guide movable contact plate 46 can move up and down stably along the four guide sliding columns 36, so that the structure is simple, and the guidance performance is good.

As shown in fig. 2 and 3, the fixing frame 1 of the present embodiment is provided with a first magnet 11 and a second magnet 12 respectively near two sides of the ceramic shell 33, and the polarities of the first magnet 11 and the second magnet 12 are opposite. Specifically, an arc is generated in the process of conducting or disconnecting the movable contact plate 46 with the positive terminal 31 and the negative terminal 32, and the first magnet 11 and the second magnet 12 with opposite polarities attract each other, so that the first magnet 11 attracts the arc and the arc is elongated towards the second magnet 12 to be extinguished, thereby effectively preventing the arc from damaging other elements of the relay and prolonging the service life of the relay.

As shown in fig. 4, the number of the guide posts 36 of the present embodiment is four and each of the guide posts abuts against the movable contact plate 46, and two adjacent guide posts 36 are arranged in parallel and spaced from each other. Specifically, the four guiding sliding columns 36 are arranged in a square structure, and two adjacent guiding sliding columns 36 are parallel to each other and arranged at intervals to form a wide moving channel, so that the movable contact plate 46 can pass smoothly.

As shown in fig. 1, 6 and 7, a plurality of positioning elements are convexly disposed on the inner wall of the top case 5 in this embodiment, each positioning element includes a vertical positioning block 58 and a horizontal positioning block 59 disposed at intervals, a guiding inclined plane 510 is disposed at an end of each vertical positioning block 58, and the vertical positioning blocks 58 and the horizontal positioning blocks 59 are abutted to the ceramic case 33. Specifically, ceramic shell 33 conveniently enters into the inside of top shell 5 along direction inclined plane 510, and location riser 58, location horizontal piece 59 and the inseparable butt in periphery of ceramic shell 33 realize fixing the inside at top shell 5 to ceramic shell 33 all-round, and the location is effectual.

As shown in fig. 2 and 3, the electromagnet assembly 2 of this embodiment includes the skeleton 21 and installs in the coil 22 of skeleton 21, the skeleton 21 includes integrated into one piece's first assembly plate 23, cavity post 24 and second assembly plate 25, the coil 22 twines in cavity post 24, first assembly plate 23 is provided with wiring port 26, wiring port 26 is connected with external power cord 7, wiring end cover 54 cover is established in the outside of wiring port 26, second assembly plate 25 is provided with the card and holds a 27, the card is held a 27 and is pegged graft with the cooperation of mount 1. Specifically, the framework 21 is provided with the coil 22, the external power line 7 is communicated with the coil 22 through the wiring port 26, and the framework 21 is firmly inserted into the fixed frame 1 through the clamping piece 27, so that the working stability of the electromagnet assembly 2 is ensured.

As shown in fig. 1, 3 and 6, the connection end cap 54 of the present embodiment is provided with a third through hole 541 and a fourth through hole 542, and the external power line 7 passes through the third through hole 541 and the fourth through hole 542 respectively and then is connected to the connection port 26. Specifically, the external power line 7 passes through the third through hole 541 and the fourth through hole 542 respectively and then is connected to the wiring port 26, so that the structure is simple and the connection is reliable.

As shown in fig. 1, 3 and 6, the top case 5 of the present embodiment is provided with mounting ears 511 at both sides thereof, and fastening collars 512 are provided in the mounting ears 511. Specifically, through the installation ear 511 cooperation external installed part with the relay is whole to be installed fixedly, the installation joint strength of relay can further be improved to fastening lasso 512, and the shock resistance can be good.

As shown in fig. 6 and 7, the inner wall of the top shell 5 of this embodiment is provided with a shock pad 513, the inner walls of the two sides of the top shell 5 are both provided with a limiting block 514 in a protruding manner, and the limiting block 514 abuts against the fixing frame 1. Specifically, shock pad 513 effectively absorbs the impact force generated by the external to top shell 5, protects the normal work of internal components, and stopper 514 and mount 1 are in tight butt joint, effectively prevents mount 1 from shaking and moving inside top shell 5, improves the stability of relay in the use, and increase of service life.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.