CN112420460A - Overload temperature control protector - Google Patents
Overload temperature control protector Download PDFInfo
- Publication number
- CN112420460A CN112420460A CN202011318147.7A CN202011318147A CN112420460A CN 112420460 A CN112420460 A CN 112420460A CN 202011318147 A CN202011318147 A CN 202011318147A CN 112420460 A CN112420460 A CN 112420460A
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- movable contact
- metal sheet
- plate
- clamping
- spring
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- 230000001012 protector Effects 0.000 title claims abstract description 23
- 230000003068 static effect Effects 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims description 73
- 238000013024 troubleshooting Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
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- Thermally Actuated Switches (AREA)
Abstract
The invention belongs to the technical field of overload temperature control protectors, and particularly relates to an overload temperature control protector, which adopts the technical scheme that: the movable contact spring comprises a bearing plate, a left shell and a right shell, wherein a bulge is arranged on the bearing plate, an insulating base plate is arranged at the top of the left end of the bearing plate, a static contact plate is fixedly connected to the top of the insulating base plate, a movable contact is inserted into the inner wall of the static contact plate, baffles are arranged at two ends of the static contact plate, a movable contact spring is integrally formed at the top of the movable contact, an arc-shaped contact plate is integrally formed at the bottom of the movable contact spring, and the movable contact spring has: the movable contact piece is lifted upwards during overload, the force for separating the movable contact from the static contact is strengthened, the safety is greatly improved, after the circuit is disconnected after overload, all parts are heated again, the circuit cannot be automatically connected, sufficient time is reserved for people to carry out overload troubleshooting and solve the overload problem, and the safety is increased.
Description
Technical Field
The invention relates to the technical field of overload temperature control protectors, in particular to an overload temperature control protector.
Background
The working principle of the temperature control protector is that when the temperature control protector is connected in series in the circuit, a high-sensitivity temperature sensitive element bimetallic strip is arranged in the temperature control protector, and when the temperature rises sharply, the bimetallic strip deforms to separate static contact points so as to disconnect the circuit.
The problem that current overload temperature control protector exists has: the movable contact and the static contact are contacted and electrified by depending on the movable contact below the movable contact, and the movable contact and the static contact are not tightly connected, so that the ignition phenomenon can be caused; when current overload occurs, the movable contact is driven to leave the static contact by tightly depending on the thermal expansion of the bimetallic strip, and when the performance of the bimetallic strip is weakened, sufficient power cannot be provided for driving the movable contact to leave the static contact, so that the safety is insufficient; after the current overload occurs, the temperature of the bimetallic strip drops and the shape of the bimetallic strip is restored to be connected with a circuit, and the mode has no time to investigate the overload principle and solve the overload problem.
Therefore, it is necessary to invent an overload temperature control protector.
Disclosure of Invention
Therefore, the overload temperature control protector is provided with the first spring and the supporting rod, so that under normal conditions, the first spring drives the movable contact to be inserted into the static contact tightly, the elastic sheet component is arranged, when overload occurs, the elastic sheet component assists the metal sheet component to lift the movable contact upwards, and the stretching rod, the stepped hole, the clamping piece and the second spring are arranged, so that automatic power-on cannot be carried out after overload occurs, and the defects of the conventional overload temperature control protector are overcome.
In order to achieve the above purpose, the invention provides the following technical scheme:
an overload temperature control protector comprises a bearing plate, a left shell and a right shell, wherein a bulge is arranged on the bearing plate, an insulating base plate is arranged at the top of the left end of the bearing plate, a static contact plate is fixedly connected to the top of the insulating base plate, a movable contact is inserted into the inner wall of the static contact plate, baffles are arranged at two ends of the static contact plate, a movable contact plate is integrally formed at the top of the movable contact, an arc-shaped contact plate is integrally formed at the bottom of the movable contact plate, a hanging ring is fixedly installed at the bottom of the movable contact plate, a first spring is hung at the bottom of the hanging ring, a lantern ring is fixedly connected to the bottom of the first spring, a supporting rod is sleeved on the inner wall of the lantern ring, a supporting column is sleeved on the outer wall of the supporting rod, a metal plate assembly is arranged below the arc-shaped contact plate and comprises, the movable contact spring is characterized in that the bottom of the movable contact spring is in threaded connection with a stretching rod, the top of the stretching rod is movably connected with two sets of cards, one end of each card is fixedly connected with a second spring, the second springs are far away from one end of each card and fixedly connected with the stretching rod, one side of each card is provided with a clamping plate, stepped holes are formed in the clamping plates, the tops of the clamping plates are fixedly connected with the right shell, the inner wall of the right shell is integrally formed with two sets of first clamping plates, the left end of the right shell is clamped with the left shell, and the inner wall of the left shell.
Preferably, the top of the static contact is provided with a slot matched with the bottom of the movable contact, and the bottom of the movable contact is conical.
Preferably, the bottom of the baffle is fixedly mounted on the bearing plate, and the baffle limits the right end of the static contact.
Preferably, the bottom of the support column is fixedly mounted on the bearing plate, and the bottom of the metal sheet abuts against the protrusion.
Preferably, the left ends of the first metal sheet, the second metal sheet and the third metal sheet are all arc-shaped, and the thermal expansion rates of the first metal sheet, the second metal sheet and the third metal sheet are reduced in sequence.
Preferably, a through hole is formed in the right shell, the aperture of the through hole is the same as that of the stepped hole, a wiring hole is formed in the left end of the left shell, and the thermal expansion rate of the support rod is larger than that of the first metal sheet.
Preferably, the left end of the clamping plate is inserted between the second clamping plate and the top of the clamping plate, the metal sheet assembly and the right end of the bearing plate are inserted between the first clamping plates, the static contact is fixedly installed on the bearing plate through bolts, and the bearing plate is fixedly installed on the right shell through bolts.
Preferably, the top of the right end of the movable contact piece is fixedly provided with a supporting first vertical plate, the top of the bearing plate is fixedly provided with a supporting second vertical plate, the tops of the supporting first vertical plate and the supporting second vertical plate are sleeved with an elastic sheet assembly, the elastic sheet assembly comprises a first elastic sheet and a second elastic sheet, the bottom of the left end of the second elastic sheet is fixedly provided with a hanging ring, the second elastic sheet passes through the hanging ring to hang the connecting rod, and the bottom of the connecting rod passes through the hanging ring to hang the movable contact piece.
The invention has the beneficial effects that:
the left end of the static contact piece and the movable contact piece are respectively connected with a conducting wire, the movable contact is inserted into the static contact piece to form a passage, and the first spring pulls the movable contact piece downwards to enable the movable contact to be tightly contacted with the static contact piece, so that ignition caused by poor contact is avoided; the bottom of the movable contact is conical and is matched with the slot on the static contact, so that the movable contact is tightly connected with the static contact, poor contact is avoided, and a first spring is arranged to drive the movable contact to be tightly contacted with the static contact, so that the connection tightness between the movable contact and the static contact is further enhanced;
when overload occurs, the temperature of the metal sheet assembly rises and bends, because the thermal expansion rates of the metal sheet III, the metal sheet II and the metal sheet I are sequentially increased, the movable contact spring is pushed upwards by the metal sheet I, the metal sheet II and the metal sheet III in a progressive manner, the left ends of the elastic sheet I and the elastic sheet II in the elastic sheet assembly bend upwards, the movable contact spring is pulled upwards through the connecting rod, the temperature of the supporting rod rises and bends upwards, the spring I moves upwards to lose traction force on the movable contact spring, and the movable contact is separated from the static contact spring, so that a circuit is disconnected; the circuit is disconnected without tightly depending on the deformation of the metal sheet component, the elastic sheet component is additionally arranged, the movable contact is pulled upwards during overload, the force of separating the movable contact from the static contact is enhanced, and the safety is greatly improved;
when the bottom of the card moves to the upper end of the stepped hole, the spring II drives the bottom of the card to extend outwards, so that the bottom of the card is clamped on the inner wall of the stepped hole; after the circuit is disconnected after overload, all parts are heated again, the circuit cannot be automatically connected, sufficient time is reserved for people to carry out overload troubleshooting and solve the overload problem, and the safety of clamping is improved;
after people investigate the circuit and solve the overload problem, the bottom of the card is pulled to the direction close to the stretching rod, the supporting rod and the elastic sheet component which are cooled down recover the shape, the movable contact is leaned against the elastic force of the movable contact to recover the shape, and the first spring continuously pulls the movable contact to move downwards, and finally the right side of the movable contact is tightly inserted into the slot of the static contact to form a passage; the manual circuit connection mode is simple, and the card is only required to be stirred, so that the use is convenient.
Drawings
Fig. 1 is a schematic structural diagram provided in embodiment 1 of the present invention;
FIG. 2 is an enlarged view of the point A provided in example 1 of the present invention;
FIG. 3 is an enlarged view of the point B provided in example 1 of the present invention;
fig. 4 is a schematic structural diagram of a left housing and a right housing provided in embodiment 1 of the present invention;
FIG. 5 is a schematic structural diagram provided in embodiment 2 of the present invention;
fig. 6 is an enlarged view of the position C provided in embodiment 2 of the present invention.
In the figure: the device comprises a left shell 1, a right shell 2, a clamping plate 3, a bearing plate 4, a movable contact 5, a movable contact 6, a static contact 7, an insulating base plate 8, a baffle 9, a metal sheet assembly 10, a clamping plate II 11, a wiring hole 12, a metal sheet I13, a metal sheet II 14, a metal sheet III 15, a stretching rod 16, a stepped hole 17, a clamping sheet 18, a spring II 19, a hanging ring 20, a clamping plate I21, a through hole 22, a spring I23, a supporting column 24, a supporting rod 25, a lantern ring 26, an arc-shaped contact plate 27, a supporting vertical plate I28, a supporting vertical plate II 29, an elastic sheet assembly 30, an elastic sheet I31, an elastic sheet II 32, a connecting rod 33, a protrusion 41 and a.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
referring to the attached drawings 1-4 of the specification, the overload temperature control protector of the embodiment comprises a bearing plate 4, a left shell 1 and a right shell 2, wherein a protrusion 41 is arranged on the bearing plate 4, an insulating pad 8 is arranged at the top of the left end of the bearing plate 4, a static contact 7 is fixedly connected to the top of the insulating pad 8, a movable contact 6 is inserted into the inner wall of the static contact 7, baffles 9 are arranged at two ends of the static contact 7, a movable contact 5 is integrally formed at the top of the movable contact 6, an arc-shaped contact plate 27 is integrally formed at the bottom of the movable contact 5, a hanging ring 20 is fixedly installed at the bottom of the movable contact 5, a first spring 23 is hung at the bottom of the hanging ring 20, a lantern ring 26 is fixedly connected to the bottom of the first spring 23, a supporting rod 25 is sleeved on the inner wall of the lantern ring 26, a supporting rod 25 is sleeved on the outer wall of the supporting rod 24, The movable contact spring comprises a second metal sheet 14 and a third metal sheet 15, the first metal sheet 13, the second metal sheet 14 and the third metal sheet 15 are sequentially distributed from bottom to top, the bottom of the movable contact spring 5 is connected with a stretching rod 16 in a threaded mode, the top of the stretching rod 16 is movably connected with two groups of clamping pieces 18, one end of each clamping piece 18 is fixedly connected with a second spring 19, one end, far away from the corresponding clamping piece 18, of each second spring 19 is fixedly connected with the corresponding stretching rod 16, one side of each clamping piece 18 is provided with a clamping plate 3, the clamping plate 3 is provided with a stepped hole 17, the top of each clamping plate 3 is fixedly connected with the corresponding right shell 2, the inner wall of the corresponding right shell 2 is integrally formed with two groups of first clamping plates 21, the left end of the corresponding right shell 2; the left shell 1 and the right shell 2 are used for sealing all parts, simultaneously playing a role in preventing water and dust, and playing a role in clamping the metal sheet assembly 10 and the clamping plate 3; the clamping plate 3 is used for clamping the card 18 to avoid self-connection of a circuit after the circuit is broken; the insulating base plate 8 is used for insulating and protecting the static contact piece 7, so that the static contact piece 7 is prevented from being directly contacted with the bearing plate 4, and the safety is improved; the metal sheet component 10 is used for pushing the movable contact 5 upwards by temperature rise and expansion when overload occurs; the clamping plate II 11 is used for clamping the left end of the clamping plate 3; the wiring hole 12 is used for facilitating wiring of the static contact 7; the card 18 is used for clamping the inner wall of the stepped hole 17 during overload, limiting the left end of the movable contact 5 from descending, and enabling the movable contact 6 to be separated from the static contact 7, so that people can check the overload reason and solve the problem; the second spring 19 is used for driving the card 18 to move outwards, and finally, the card 18 is driven to be clamped on the inner wall of the stepped hole 17; the function of the arc-shaped contact plate 27 is to increase the contact area between the movable contact 5 and the metal sheet assembly 10 during overload, and ensure that the expansion force of the metal sheet assembly 10 is completely applied to the movable contact 5.
Furthermore, the top of the static contact piece 7 is provided with a slot 71 matched with the bottom of the movable contact 6, and the bottom of the movable contact 6 is conical; the movable contact 6 is set to be conical, so that the movable contact 6 is in closer contact with the static contact 7, and the phenomenon of sparking is avoided.
Further, the bottom of the baffle 9 is fixedly arranged on the bearing plate 4, and the baffle 9 limits the right end of the static contact piece 7; the rocking of the stationary contact piece 7 is restricted so that the stationary contact piece 7 is wired and the stationary contact piece 7 is brought into better contact with the movable contact 6.
Further, the bottom of the supporting column 24 is fixedly mounted on the bearing plate 4, and the bottom of the first metal sheet 13 abuts against the boss 41; the protrusions 41 serve to support the sheet metal assembly 10 and reduce resistance to deformation of the sheet metal assembly 10.
Furthermore, the left ends of the first metal sheet 13, the second metal sheet 14 and the third metal sheet 15 are all arc-shaped, and the thermal expansion rates of the first metal sheet 13, the second metal sheet 14 and the third metal sheet 15 are reduced in sequence; so that the first metal sheet 13, the second metal sheet 14 and the third metal sheet 15 progressively push the movable contact 5 upwards in overload to separate the movable contact 6 from the static contact 7.
Furthermore, a through hole 22 is formed in the right shell 2, the aperture of the through hole 22 is the same as that of the stepped hole 17, a wiring hole 12 is formed in the left end of the left shell 1, and the thermal expansion rate of the support rod 25 is greater than that of the first metal sheet 13; when the overload is not carried out, the supporting rod 25 pulls the movable contact piece 5 through the first spring 23, so that the movable contact 6 is in closer contact with the static contact piece 7, and when the overload is carried out, the supporting rod 25 protrudes upwards to release the pulling of the first spring 23 on the movable contact piece 5.
Furthermore, the left end of the clamping plate 3 is inserted between the second clamping plate 11 and the top of the clamping plate 3, the right ends of the metal plate component 10 and the bearing plate 4 are inserted between the first clamping plates 21, the static contact 7 is fixedly installed on the bearing plate 4 through bolts, and the bearing plate 4 is fixedly installed on the right shell 2 through bolts.
The implementation scenario is specifically as follows: when the invention is used, the left end of the static contact piece 7 and the movable contact piece 5 are respectively connected with a lead, the movable contact 6 is inserted on the static contact piece 7 to form a passage, the movable contact piece 5 is pulled downwards by the first spring 23, the movable contact 6 is tightly contacted with the static contact piece 7, and ignition caused by poor contact is avoided; when overload occurs, the temperature of the metal sheet component 10 rises and bends, because the thermal expansion rates of the metal sheet III 15, the metal sheet II 14 and the metal sheet III 13 are sequentially increased, the metal sheet I13, the metal sheet II 14 and the metal sheet III 15 progressively push the movable contact spring 5 upwards, and the support rod 25 is bent upwards due to the temperature rise, the spring I23 moves upwards to lose the traction force on the movable contact spring 5, the movable contact 6 is separated from the static contact 7, so that a circuit is disconnected, the movable contact 5 moves upwards along with the movable contact 5 in the upward movement process, the stretching rod 16 moves upwards along with the movable contact 5, the clamping piece 18 moves upwards along with the stretching rod 16, when the bottom of the clamping piece 18 moves to the upper end of the stepped hole 17, the spring II 19 drives the bottom of the clamping piece 18 to extend outwards to clamp the bottom of the clamping piece 18 on the inner wall of the stepped hole 17, people check the circuit and pull the bottom of the clamping piece 18 towards the direction close to the stretching, the support rod 25, the temperature of which is dropped, restores the shape, the movable contact piece 5 restores the shape against the elastic force of itself, and the spring one 23 continues to pull the movable contact piece 5 to move downwards, and finally the movable contact 6 is tightly inserted into the slot 71 of the fixed contact piece 7 to form a passage.
Example 2:
referring to the attached figures 5-6 of the specification, the difference from embodiment 1 is that: a first supporting vertical plate 28 is fixedly installed at the top of the right end of the movable contact piece 5, a second supporting vertical plate 29 is fixedly installed at the top of the bearing plate 4, an elastic piece assembly 30 is sleeved at the tops of the first supporting vertical plate 28 and the second supporting vertical plate 29, the elastic piece assembly 30 comprises a first elastic piece 31 and a second elastic piece 32, a hanging ring 20 is fixedly installed at the bottom of the left end of the second elastic piece 32, the second elastic piece 32 is hung with a connecting rod 33 through the hanging ring 20, and the movable contact piece 5 is hung at the bottom of the connecting rod 33 through the hanging ring 20; the first supporting riser 28 and the second supporting riser 29 are used for supporting the elastic sheet assembly 30; the first elastic piece 31 and the second elastic piece 32 are used for bending upwards 2 during overload, and the movable contact piece 5 is pulled upwards through the connecting rod 33;
the implementation scenario is specifically as follows:
when the invention is used, the left end of the static contact piece 7 and the movable contact piece 5 are respectively connected with a lead, the movable contact 6 is inserted on the static contact piece 7 to form a passage, the movable contact piece 5 is pulled downwards by the first spring 23, the movable contact 6 is tightly contacted with the static contact piece 7, and ignition caused by poor contact is avoided; when overload occurs, the metal sheet component 10 is bent due to the temperature rise, the movable contact piece 5 is pushed upwards by the thermal expansion rates of the metal sheet III 15, the metal sheet II 14 and the metal sheet III 13 which are sequentially increased, the left ends of the elastic piece I31 and the elastic piece II 32 in the elastic sheet component 30 are bent upwards, the movable contact piece 5 is pulled upwards by the connecting rod 33, the supporting rod 25 is bent upwards due to the temperature rise, the spring I23 is moved upwards to lose the traction force on the movable contact piece 5, the movable contact 6 is separated from the fixed contact 7, so that the circuit is broken, the movable contact piece 5 is moved upwards along with the movable contact piece 5 in the process of moving upwards, the clamping piece 18 is moved upwards along with the stretching rod 16, when the bottom of the clamping piece 18 is moved to the upper end of the stepped hole 17, the spring II 19 drives the bottom of the clamping piece 18 to extend outwards, the bottom of the card 18 is clamped on the inner wall of the stepped hole 17, after people check the circuit and solve the overload problem, the bottom of the card 18 is pulled towards the direction close to the stretching rod 16, the support rod 25 and the elastic sheet component 30 with reduced temperature recover the shape, the movable contact piece 5 recovers the shape by the elasticity of the spring I, the spring I23 continues to pull the movable contact piece 5 to move downwards, and finally the movable contact 6 is tightly inserted into the slot 71 of the static contact piece 7 to form a passage.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an overload temperature control protector, includes loading board (4), left casing (1) and right casing (2), its characterized in that: the novel high-voltage switch is characterized in that a bulge (41) is arranged on the bearing plate (4), an insulating base plate (8) is arranged at the top of the left end of the bearing plate (4), a static contact plate (7) is fixedly connected to the top of the insulating base plate (8), a movable contact (6) is inserted into the inner wall of the static contact plate (7), baffles (9) are arranged at two ends of the static contact plate (7), a movable contact (5) is integrally formed at the top of the movable contact (6), an arc-shaped contact plate (27) is integrally formed at the bottom of the movable contact (5), a hanging ring (20) is fixedly installed at the bottom of the movable contact (5), a first spring (23) is hung at the bottom of the hanging ring (20), a lantern ring (26) is fixedly connected to the bottom of the first spring (23), a supporting rod (25) is sleeved on the inner wall of the lantern ring (26), a supporting, the metal sheet assembly (10) comprises a first metal sheet (13), a second metal sheet (14) and a third metal sheet (15), the first metal sheet (13), the second metal sheet (14) and the third metal sheet (15) are sequentially distributed from bottom to top, the bottom of the movable contact spring (5) is in threaded connection with a stretching rod (16), the top of the stretching rod (16) is movably connected with two groups of clamping sheets (18), one end of each clamping sheet (18) is fixedly connected with a second spring (19), one end, far away from the corresponding clamping sheet (18), of the second spring (19) is fixedly connected with the stretching rod (16), one side of each clamping sheet (18) is provided with a clamping plate (3), a stepped hole (17) is formed in each clamping plate (3), the top of each clamping plate (3) is fixedly connected with the right shell (2), the inner wall of the right shell (2) is integrally formed with two groups of first clamping plates (21), and the left end of the right shell (, and a clamping plate II (11) is integrally formed on the inner wall of the left shell (1).
2. An overload temperature control protector according to claim 1 wherein: the top of the static contact piece (7) is provided with a slot (71) matched with the bottom of the movable contact (6), and the bottom of the movable contact (6) is conical.
3. An overload temperature control protector according to claim 1 wherein: the bottom of the baffle (9) is fixedly arranged on the bearing plate (4), and the baffle (9) limits the right end of the static contact piece (7).
4. An overload temperature control protector according to claim 1 wherein: the bottom of the supporting column (24) is fixedly installed on the bearing plate (4), and the bottom of the first metal sheet (13) abuts against the bulge (41).
5. An overload temperature control protector according to claim 1 wherein: the left ends of the first metal sheet (13), the second metal sheet (14) and the third metal sheet (15) are all arc-shaped, and the thermal expansion rates of the first metal sheet (13), the second metal sheet (14) and the third metal sheet (15) are reduced in sequence.
6. An overload temperature control protector according to claim 1 wherein: the right shell (2) is provided with a through hole (22), the aperture of the through hole (22) is the same as that of the stepped hole (17), the left end of the left shell (1) is provided with a wiring hole (12), and the thermal expansion rate of the support rod (25) is larger than that of the first metal sheet (13).
7. An overload temperature control protector according to claim 1 wherein: the left end of the clamping plate (3) is inserted between the second clamping plate (11) and the top of the clamping plate (3), the metal plate component (10) and the right end of the bearing plate (4) are inserted between the first clamping plates (21), the static contact piece (7) is fixedly installed on the bearing plate (4) through bolts, and the bearing plate (4) is fixedly installed on the right shell (2) through bolts.
8. An overload temperature control protector according to claim 1 wherein: movable contact spring (5) right-hand member top fixed mounting supports riser one (28), loading board (4) top fixed mounting supports riser two (29), support riser one (28) and support riser two (29) top and cup joint elastic sheet subassembly (30), elastic sheet subassembly (30) include elastic sheet one (31) and elastic sheet two (32), elastic sheet two (32) left end bottom fixed mounting link (20), elastic sheet two (32) pass through link (20) articulate connecting rod (33), connecting rod (33) bottom is passed through link (20) articulate movable contact spring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318147.7A CN112420460A (en) | 2020-11-23 | 2020-11-23 | Overload temperature control protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318147.7A CN112420460A (en) | 2020-11-23 | 2020-11-23 | Overload temperature control protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112420460A true CN112420460A (en) | 2021-02-26 |
Family
ID=74778292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011318147.7A Pending CN112420460A (en) | 2020-11-23 | 2020-11-23 | Overload temperature control protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112420460A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM285019U (en) * | 2004-09-17 | 2006-01-01 | Chiuan-Yuan Chen | Device for thermal relays |
| CN205159245U (en) * | 2015-10-27 | 2016-04-13 | 永州市永邦电子科技有限公司 | Current temperature overload protector |
| CN107768190A (en) * | 2016-08-18 | 2018-03-06 | 苏州工业园区凯恩电子科技有限公司 | A kind of novel temperature control protector |
| CN107768189A (en) * | 2016-08-18 | 2018-03-06 | 苏州工业园区凯恩电子科技有限公司 | One kind overload temperature-control protector |
| CN209029320U (en) * | 2018-12-12 | 2019-06-25 | 王微微 | A kind of overload protection push-button switch |
| CN209929226U (en) * | 2019-05-13 | 2020-01-10 | 浙江大东吴集团建设有限公司 | Super large display screen temperature protection device |
| CN210984609U (en) * | 2019-12-31 | 2020-07-10 | 常州常胜精密电子有限公司 | High-efficient hot protector |
-
2020
- 2020-11-23 CN CN202011318147.7A patent/CN112420460A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM285019U (en) * | 2004-09-17 | 2006-01-01 | Chiuan-Yuan Chen | Device for thermal relays |
| CN205159245U (en) * | 2015-10-27 | 2016-04-13 | 永州市永邦电子科技有限公司 | Current temperature overload protector |
| CN107768190A (en) * | 2016-08-18 | 2018-03-06 | 苏州工业园区凯恩电子科技有限公司 | A kind of novel temperature control protector |
| CN107768189A (en) * | 2016-08-18 | 2018-03-06 | 苏州工业园区凯恩电子科技有限公司 | One kind overload temperature-control protector |
| CN209029320U (en) * | 2018-12-12 | 2019-06-25 | 王微微 | A kind of overload protection push-button switch |
| CN209929226U (en) * | 2019-05-13 | 2020-01-10 | 浙江大东吴集团建设有限公司 | Super large display screen temperature protection device |
| CN210984609U (en) * | 2019-12-31 | 2020-07-10 | 常州常胜精密电子有限公司 | High-efficient hot protector |
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Application publication date: 20210226 |