CN210200657U - Moving contact mounting structure, operating mechanism and miniature circuit breaker - Google Patents
Moving contact mounting structure, operating mechanism and miniature circuit breaker Download PDFInfo
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- CN210200657U CN210200657U CN201921513750.3U CN201921513750U CN210200657U CN 210200657 U CN210200657 U CN 210200657U CN 201921513750 U CN201921513750 U CN 201921513750U CN 210200657 U CN210200657 U CN 210200657U
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- mounting structure
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Abstract
The utility model provides a moving contact mounting structure, operating device and miniature circuit breaker, wherein, moving contact mounting structure includes: a contact holder; the moving contact is connected with the contact support through the clamping structure, the installation requirement of the moving contact can be met through the installation structure, compared with the prior art, the assembling process is simple, the assembling efficiency is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to a miniature circuit breaker technical field, concretely relates to moving contact mounting structure, operating device and miniature circuit breaker.
Background
The miniature circuit breaker is a protective electric appliance installed on a terminal distribution line and is mainly used for overload and short-circuit protection of lines and electric equipment, generally comprises an operating mechanism, an electromagnetic tripping mechanism, a thermal tripping mechanism, an arc extinguishing mechanism and the like, the operating mechanism is a component for opening and closing the circuit breaker, the operating mechanism ensures that the circuit breaker is reliably closed and also ensures that the circuit breaker is quickly opened in a fault state, and the performance of the operating mechanism directly influences the function of the miniature circuit breaker.
The traditional miniature circuit breaker operating mechanism drives a support assembly consisting of a contact support, a trip buckle, a lock catch and a moving contact to act by rotating a U-shaped push rod on a handle, so that the moving contact is driven to be in contact connection with or disconnected from a static contact, and the opening and closing action is realized. The contact support is made of plastic, the moving contact is made of metal, the existing moving contact is generally fixedly connected with the contact support in a hot riveting connection mode, a screw connection mode or a torsion spring connection mode, the assembling procedures are complex, and the production cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the moving contact among the prior art and complicated with contact carrier assembly process, defect that manufacturing cost is high to a moving contact mounting structure that assembly process is simple, low in production cost is provided with this moving contact mounting structure's operating device, and is provided with this operating device's miniature circuit breaker is provided with.
Therefore, the utility model provides a moving contact mounting structure, include:
a contact holder;
the moving contact is fixedly connected with the contact support through a clamping structure.
The clamping structure comprises a clamping groove arranged on one of the contact support and the moving contact and a clamping block arranged on the other of the contact support and the moving contact and in adaptive clamping connection with the clamping groove.
The contact support comprises a support body and first side plates which are respectively arranged on two sides of the support body and are perpendicular to the support body, a limiting block extending towards the other first side plate is arranged on the inner side face of the end part of the first side plate far away from the support body, and the limiting block, the first side plate and the support body are enclosed to form a clamping groove suitable for mounting the moving contact.
The moving contact is also matched and connected with the contact support through a positioning mounting structure, and the positioning mounting structure comprises a positioning hole arranged in one of the contact support and the moving contact and a positioning block arranged in the other of the contact support and the moving contact and in adaptive connection with the positioning hole.
And the two sides of the support body are also respectively provided with a second side plate which is matched and abutted with the moving contact, and a gap is formed between the second side plate and the first side plate.
The utility model provides an operating device, include moving contact mounting structure, and rotationally install in jump on the contact carrier is detained and the hasp, jump detain with the hasp is provided with first lock tooth and the second lock tooth of mutually supporting respectively correspondingly.
The contact structure further comprises a first biasing member, one end of the first biasing member abuts against the contact support, the other end of the first biasing member abuts against the lock catch, and biasing force moving towards the direction close to the first lock tooth is applied to the second lock tooth of the lock catch.
The first biasing member is an elastic plastic piece integrally formed on the lock catch, and the end part, far away from the lock catch, of the elastic plastic piece is abutted to a stop block arranged on the contact support.
The contact support is provided with a positioning block, a first biasing member and a second biasing member, wherein one end of the first biasing member abuts against the positioning block, the other end of the first biasing member abuts against the inner wall of the shell, and the first biasing member applies a biasing force moving towards the opening position to the contact support.
The utility model provides a miniature circuit breaker, include as above operating device.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a moving contact mounting structure, moving contact pass through joint structure and contact carrier fixed connection, and such mounting structure can satisfy the installation demand of moving contact, compares with prior art, and assembly process is simple, has improved assembly efficiency, has reduced manufacturing cost.
2. The utility model provides a moving contact mounting structure, contact support include the support body to and divide the first curb plate of locating support body both sides, setting up perpendicularly with the support body, first curb plate is provided with the stopper that extends to another first curb plate on keeping away from the tip medial surface of support body, and stopper and first curb plate, support body enclose to close to form the draw-in groove that is suitable for the installation moving contact, and above-mentioned contact support has simple structure's advantage.
3. The utility model provides a moving contact mounting structure, moving contact still are connected with the contact carrier cooperation through location mounting structure, and location mounting structure is including setting up in the locating hole of one of contact carrier and moving contact to and locate another locating piece with locating hole adaptation connection of contact carrier and moving contact. Through setting up location mounting structure to prevent that the moving contact from removing relative contact support, and the locating piece and the locating hole of mutually supporting have simple structure's advantage.
4. The utility model provides a moving contact mounting structure, the both sides of support body still divide be equipped with the second curb plate of moving contact cooperation butt, have the clearance between second curb plate and the first curb plate, second curb plate and first curb plate homoenergetic offset with the moving contact both sides to inject the position of moving contact on the contact carrier, and have the clearance between second curb plate and the first curb plate, make first curb plate warp more easily, make things convenient for the dismouting of moving contact.
5. The utility model provides an operating device, first biasing member are the elastic plastic part of integrated into one piece on the hasp, and the tip that the hasp was kept away from to the elastic plastic part offsets with the dog that sets up on contact carrier, because elastic plastic part and hasp integrated into one piece need set up the torsional spring and provide the mode of biasing force with prior art and compare, and spare part still less has further improved assembly efficiency like this.
6. The utility model provides an operating device, the one end and the locating piece of second biasing member offset, and the other end offsets with shells inner wall, applys the biasing force towards separating brake position direction removal for the contact carrier, because the locating piece that the second biasing member stretches out the contact carrier back with the moving contact offsets to need not to set up on the contact carrier with second biasing member complex dog, the structure is simpler.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of a miniature circuit breaker operating mechanism of the present invention;
fig. 2 is a schematic view of an installation structure of a moving contact and a contact support;
FIG. 3 is a perspective view of the contact mount;
fig. 4 is a perspective view of the movable contact;
FIG. 5 is a perspective view of FIG. 1 with the handle and push rod removed;
fig. 6 is another perspective view of the operating mechanism of the small and medium sized circuit breaker of fig. 1 rotated by a certain angle.
Description of reference numerals: 1. a contact holder; 10. a stent body; 11. a first side plate; 12. a second side plate; 13. a limiting block; 14. positioning holes; 15. a stopper; 2. a moving contact; 21. positioning blocks; 3. jumping and buckling; 31. a first locking tooth; 4. locking; 41. a second locking tooth; 42. an elastic plastic member; 5. a second biasing member.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a moving contact mounting structure, as shown in fig. 2 to 4, including a contact support 1 and a moving contact 2.
Contact support 1, as shown in fig. 3, including support body 10, and the branch locates support body 10 both sides, the first curb plate 11 that sets up perpendicularly with support body 10, be provided with stopper 13 that extends to another first curb plate 11 on the tip medial surface that support body 10 was kept away from to first curb plate 11, stopper 13 and first curb plate 11, support body 10 enclose to close and form the draw-in groove that is suitable for installation moving contact 2, the both sides of support body 10 are still divided to be equipped with the second curb plate 12 with 2 cooperation butts of moving contact, have the clearance between second curb plate 12 and the first curb plate 11. The contact support 1 is also provided with a positioning hole 14 which is in adaptive connection with a positioning block 21 of the moving contact 2.
The movable contact 2, as shown in fig. 4, includes a movable contact main body portion, and a positioning block 21 disposed on the top of the movable contact main body portion and perpendicular to the movable contact main body portion, wherein the positioning block 21 extends from the back of the movable contact main body portion after passing through the positioning hole 14 of the contact support 1.
As a changeable implementation mode, the moving contact 2 is provided with a clamping groove, and the contact support 1 is provided with a clamping block which is in adaptive connection with the clamping groove.
As an alternative embodiment, the movable contact 2 is provided with a positioning hole, and the contact support 1 is provided with a positioning block which is in fit connection with the positioning hole.
The utility model discloses a moving contact mounting structure, moving contact 2 pass through joint structure and 1 fixed connection of contact carrier, and such mounting structure can satisfy the installation demand of moving contact, compares with prior art, and assembly process is simple, has improved assembly efficiency, has reduced manufacturing cost.
Example 2
The present embodiment provides a miniature circuit breaker, as shown in fig. 1,5 and 6, comprising an operating mechanism for actuating the opening and closing of the circuit breaker, wherein the operating mechanism comprises a movable contact mounting structure as described in embodiment 1, and a trip 3, a latch 4, a first biasing member and a second biasing member 5.
As shown in fig. 5, the jumper 3 and the lock catch 4 are rotatably mounted on the contact carrier 1 and are correspondingly provided with a first lock tooth 31 and a second lock tooth 41, respectively, which are engaged with each other.
The first biasing member abuts against the contact carrier 1 at one end and the latch 4 at the other end, and applies a biasing force to the second latch tooth 41 of the latch 4, which moves towards the direction approaching to the first latch tooth 31.
The second biasing member 5 has one end abutting against the positioning block 21 and the other end abutting against the inner wall of the housing, and applies a biasing force to the contact holder 1 to move toward the opening position.
As an alternative embodiment, the second biasing member 5 has one end abutting against a stop formed on the back of the contact carrier 1 and the other end abutting against the inner wall of the housing.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A moving contact mounting structure is characterized by comprising:
a contact holder (1);
the moving contact (2) is fixedly connected with the contact support (1) through a clamping structure.
2. The moving contact mounting structure according to claim 1, wherein the clamping structure includes a clamping groove provided in one of the contact support (1) and the moving contact (2), and a clamping block provided in the other of the contact support (1) and the moving contact (2) and adapted to be clamped in the clamping groove.
3. A moving contact mounting structure according to claim 2, wherein the contact support (1) includes a support body (10), and first side plates (11) respectively disposed at two sides of the support body (10) and perpendicular to the support body (10), a limiting block (13) extending toward the other first side plate (11) is disposed on an inner side surface of an end portion of the first side plate (11) far away from the support body (10), and the limiting block (13), the first side plate (11) and the support body (10) enclose to form the slot suitable for mounting the moving contact (2).
4. A moving contact mounting structure according to any one of claims 1-3, wherein the moving contact (2) is further connected to the contact support (1) by a positioning mounting structure, and the positioning mounting structure includes a positioning hole (14) disposed in one of the contact support (1) and the moving contact (2), and a positioning block (21) disposed in the other of the contact support (1) and the moving contact (2) and adapted to be connected to the positioning hole (14).
5. A moving contact mounting structure according to claim 3, wherein a second side plate (12) is further disposed on each of two sides of the support body (10) and is in fit abutment with the moving contact (2), and a gap is provided between the second side plate (12) and the first side plate (11).
6. An operating mechanism, characterized in that, includes the moving contact mounting structure of any one of claims 1-5, and a jump ring (3) and a lock catch (4) rotatably mounted on the contact support (1), the jump ring (3) and the lock catch (4) are correspondingly provided with a first lock tooth (31) and a second lock tooth (41) which are mutually matched respectively.
7. The operating mechanism according to claim 6, further comprising a first biasing member, one end of which abuts against the contact carrier (1) and the other end of which abuts against the latch (4), for applying a biasing force to the second latch tooth (41) of the latch (4) in a direction approaching the first latch tooth (31).
8. Operating mechanism according to claim 7, wherein the first biasing member is a resilient plastic member (42) integrally formed on the latch (4), the end of the resilient plastic member (42) remote from the latch (4) abutting against a stop (15) provided on the contact carrier (1).
9. The operating mechanism according to claim 8, further comprising a second biasing member (5), one end of the second biasing member (5) abuts against the positioning block (21) and the other end abuts against the inner wall of the housing, and the second biasing member applies a biasing force to the contact holder (1) to move in the direction of the opening position.
10. A miniature circuit breaker comprising an operating mechanism according to any of claims 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513750.3U CN210200657U (en) | 2019-09-11 | 2019-09-11 | Moving contact mounting structure, operating mechanism and miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513750.3U CN210200657U (en) | 2019-09-11 | 2019-09-11 | Moving contact mounting structure, operating mechanism and miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210200657U true CN210200657U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921513750.3U Active CN210200657U (en) | 2019-09-11 | 2019-09-11 | Moving contact mounting structure, operating mechanism and miniature circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN210200657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459447A (en) * | 2019-09-11 | 2019-11-15 | 浙江友路电气有限公司 | A kind of moving contact installation structure, operating mechanism and miniature circuit breaker |
-
2019
- 2019-09-11 CN CN201921513750.3U patent/CN210200657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459447A (en) * | 2019-09-11 | 2019-11-15 | 浙江友路电气有限公司 | A kind of moving contact installation structure, operating mechanism and miniature circuit breaker |
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