CN212874392U - Switching device with movable and static contacts capable of being assembled at interchangeable positions - Google Patents
Switching device with movable and static contacts capable of being assembled at interchangeable positions Download PDFInfo
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- CN212874392U CN212874392U CN202021621112.6U CN202021621112U CN212874392U CN 212874392 U CN212874392 U CN 212874392U CN 202021621112 U CN202021621112 U CN 202021621112U CN 212874392 U CN212874392 U CN 212874392U
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Abstract
The utility model discloses a switch device, which comprises two groups of contact assemblies and a moving contact support which are arranged on a switch base, wherein each group of contact assembly comprises a fixed contact and a moving contact; the two sides of the switch base are provided with holding tanks for respectively holding the two groups of contact assemblies, the static contact is provided with a first connecting end, the moving contact is provided with a second connecting end with the same structure as the first connecting end, and the first connecting end and the second connecting end are respectively positioned at two opposite ends in the holding tanks; the movable contact is provided with an elastic sheet part, the fixed contact is provided with a fixed contact, and the elastic sheet part is provided with a movable contact which is correspondingly contacted with the fixed contact; the moving contact support is arranged along the width direction of the switch base, lateral opening limiting grooves are formed in the two ends of the moving contact support, and the middle portions of the elastic piece portions on the two moving contacts are located in the two limiting grooves respectively. The utility model discloses well switching device of sound contact interchangeable position assembly is rational in infrastructure, and static contact and moving contact interchangeable position installation, the commonality is good.
Description
Technical Field
The utility model relates to a switch structure designs technical field, concretely relates to switching device of movable and static contact interchangeable position assembly.
Background
The protection switch is a common switching element for ensuring electrical safety. When the switch current is normal, the protection switch is equivalent to a conductor and normally passes the current; when the switch has short circuit and other faults, the protection switch can be tripped instantaneously to cut off the power supply so as to protect the circuit safety and avoid causing unnecessary loss. In the existing switch device, a moving contact and a static contact can only be installed on a switch base according to a specific direction and cannot be installed in an interchangeable position, and the structural universality is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switching device, moving contact and static contact can exchange the position assembly on the switch base among this switching device, and the commonality is good, has reduced the equipment requirement.
To achieve the purpose, the utility model adopts the following technical proposal:
a switching device with movable and fixed contacts capable of being assembled at interchangeable positions comprises two groups of contact assemblies and a movable contact support which are arranged on a switch base, wherein each group of contact assembly comprises a fixed contact and a movable contact; the moving contact support is arranged in the upper middle part of the switch base and is driven by the operating mechanism to rotate, and the moving contacts in the two groups of contact assemblies are driven to synchronously act during rotation;
the switch base is provided with two groups of contact assemblies, the static contact is provided with a first connecting end, the moving contact is provided with a second connecting end with the same structure as the first connecting end, and the first connecting end and the second connecting end are respectively positioned at two opposite ends in the accommodating groove in the same way;
the movable contact is provided with an elastic sheet part, the fixed contact is provided with a fixed contact, and the elastic sheet part is provided with a movable contact which is correspondingly contacted with the fixed contact;
the moving contact support is arranged along the width direction of the switch base, lateral opening limiting grooves are formed in the two ends of the moving contact support, and the middle parts of the elastic piece parts on the two moving contacts are respectively located in the two limiting grooves.
As a preferred scheme of the utility model, still including installing a mount pad, a trip bar on the switch base and independently installing temperature-sensing element on the mount pad, temperature-sensing element's top is provided with the trigger part, temperature-sensing element passes through when thermal deformation trigger part can trigger the trip bar action, the trip bar action drives operating device dropout.
As a preferred embodiment of the present invention, the temperature sensing element is a bimetal element.
As an optimized scheme of the utility model, the mount pad top is provided with the constant head tank, the bottom of two gold components is inserted realize in the constant head tank with the fixed mounting of mount pad.
As an optimized scheme of the utility model, set up in on the mount pad be provided with the ka tai in the constant head tank, the bottom of two gold components is provided with the locating hole, works as the bottom of two gold components is inserted on the mount pad behind the constant head tank, ka tai card is gone into two gold components in the locating hole, in order to realize two gold components are in reinforcement installation on the mount pad.
As an optimized scheme of the utility model, the mount pad bottom is in the top of static contact is provided with the caulking groove, be provided with magnet in the caulking groove, magnet is in through setting up the buckle of notch department of caulking groove is fixed in the caulking groove.
As an optimized proposal of the utility model, the bottom of the caulking groove is provided with a notch.
As an optimized proposal of the utility model, the root of the elastic sheet part is provided with an arc-shaped bending part.
The utility model discloses well switching device's rational in infrastructure can exchange the position with moving contact and static contact and install in the holding tank of switch base when actual assembly, and the commonality is good, has reduced the equipment requirement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a switching device according to the present invention;
FIG. 2 is a block diagram of the switchgear shown in FIG. 1 with parts removed;
FIG. 3 is a block diagram of a contact assembly of the switching device shown in FIG. 1;
fig. 4 is a block diagram of a contact carrier in the switchgear of fig. 1;
FIG. 5 is a block diagram of the mounting base, magnet and temperature sensing element of FIG. 1;
fig. 6 is a structural view of the mount of fig. 1.
Reference numerals shown in the figures: 1-a switch base; 10-accommodating grooves; 2, static contact; 21-a stationary contact; 3-moving contact; 4-moving contact support; 41-a limiting groove; 5-an elastic sheet part; 51-a moving contact; 52-arc bend; 6-mounting a base; 61-a positioning groove; 62-notch; 63-caulking groove; 64-buckling; 7-a trip bar; 8-a temperature-sensitive element; 81-a trigger; 82-positioning holes; 9-magnet.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A switching device with movable and static contacts capable of being assembled at interchangeable positions is shown in figures 1 to 4 and comprises two groups of contact assemblies and a movable contact support 4 which are arranged on a switch base 1, wherein each group of contact assembly comprises a fixed contact 2 and a movable contact 3; the moving contact support 4 is arranged at the upper middle part of the switch base 1 and is driven by the operating mechanism to rotate, and drives the moving contacts 3 in the two groups of contact assemblies to synchronously act during rotation; two sides of the switch base 1 are provided with accommodating grooves 10 for accommodating two groups of contact assemblies respectively, the static contact 2 is provided with a first connecting end, the movable contact 3 is provided with a second connecting end with the same structure as the first connecting end, and the first connecting end and the second connecting end are positioned at two opposite ends in the accommodating grooves 10 respectively in the same way (such as through screw fixation or clamping connection); the moving contact 3 is provided with an elastic sheet part 5, the static contact 2 is provided with a static contact 21, and the elastic sheet part 5 is provided with a moving contact 51 which is correspondingly contacted with the static contact 21; the moving contact support 4 is arranged along the width direction of the switch base, the two ends of the moving contact support are respectively provided with a limiting groove 41 with a lateral opening, and the middle parts of the elastic sheet parts 5 on the two moving contacts are respectively positioned in the two limiting grooves 41. The utility model discloses well switching device's rational in infrastructure, can exchange the position with the static contact with the moving contact when actual assembly and install in the holding tank of switch base, the commonality is good, has reduced the equipment requirement, and this switching device moves about at the during operation, through moving contact support drive elastic sheet portion 5, moves about from top to bottom through moving contact and stationary contact switch-on circuit on it when the downward activity through moving contact and stationary contact switch-on circuit on it upwards when moving about.
In this embodiment, the switch further includes an installation base 6 installed on the switch base 1, a trip lever 7, and a temperature sensing element 8 independently installed on the installation base 6, a trigger portion 81 is disposed at the top of the temperature sensing element 8, the temperature sensing element 8 can trigger the trip lever 7 to operate through the trigger portion 81 when being heated and deformed, the trip lever 7 operates to drive the operating mechanism to trip, and then the moving contact support drives the moving contact to move and separate from the fixed contact. In this embodiment, if the temperature in the switch is too high, the trip lever 7 is triggered to operate by the trigger 81 after the temperature sensing element 8 is deformed by heat, and the trip lever 7 operates to drive the moving contact 3 mounted on the switch base 1 to operate by the operating mechanism and the moving contact support 4.
In this embodiment, the temperature sensing element 8 is a bimetal element, and the structure and principle of the bimetal element 4 are the prior art, and are often applied to switch products such as circuit breakers.
Further, as shown in fig. 5 and fig. 6, in the present embodiment, a positioning groove 61 is provided at the top of the mounting seat 6, and the bottom of the bimetal element is inserted into the positioning groove 61 to realize fixed mounting with the mounting seat 6.
Still further, be provided with the ka tai in the constant head tank 61, the bottom of two gold components is provided with locating hole 82, works as the bottom of two gold components is inserted on the mount pad 6 behind the constant head tank 61, the ka tai card is gone into two gold components in the locating hole 82, in order to realize two gold components are in reinforced installation on the mount pad 6, can further strengthen the reliability of two gold component installations through this structure.
In this embodiment, an insertion groove 63 is formed in the bottom of the mounting base 6 above the fixed contact 2, a magnet 9 is disposed in the insertion groove 63, and the magnet 9 is fixed in the insertion groove 63 through a buckle 64 disposed at a notch of the insertion groove 63. Through the arrangement of the structure, the electric arc generated when the moving contact 3 is separated from the static contact 2 can be more quickly separated from the moving contact and the static contact through the magnetic force generated by the magnet arranged in the caulking groove 63, so that the breaking capacity of the switch is improved.
Further, the bottom of the caulking groove 63 is provided with the notch 62, and the electric arc can be discharged from the notch 62 as soon as possible under the action of the magnet 9, so that the phenomenon that the electric arc cannot be discharged in time to influence the breaking capacity of the switch is avoided.
In this embodiment, the root of the elastic sheet part 5 is provided with the arc-shaped bent part 52, and the elastic transition connection function is achieved through the existence of the arc-shaped bent part 52, so that the fatigue resistance of the corresponding part is enhanced.
It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (8)
1. A switching device with movable and fixed contacts capable of being assembled at interchangeable positions comprises two groups of contact assemblies and a movable contact support (4) which are arranged on a switch base (1), wherein each group of contact assembly comprises a fixed contact (2) and a movable contact (3); the moving contact support (4) is arranged at the upper middle part of the switch base (1), is driven by the operating mechanism to rotate, and drives the moving contacts (3) in the two groups of contact components to synchronously act during rotation;
it is characterized in that the preparation method is characterized in that,
the two sides of the switch base (1) are provided with accommodating grooves (10) for accommodating two groups of contact assemblies respectively, the static contact (2) is provided with a first connecting end, the moving contact (3) is provided with a second connecting end with the same structure as the first connecting end, and the first connecting end and the second connecting end are positioned at two opposite ends in the accommodating grooves (10) respectively in the same way;
the moving contact (3) is provided with an elastic sheet part (5), the static contact (2) is provided with a static contact (21), and the elastic sheet part (5) is provided with a moving contact (51) which is correspondingly contacted with the static contact (21);
the moving contact support (4) is arranged along the width direction of the switch base (1), the two ends of the moving contact support are respectively provided with a limiting groove (41) with a lateral opening, and the middle parts of the elastic sheet parts (5) on the two moving contacts are respectively positioned in the two limiting grooves (41).
2. The switch device for assembling the movable contact and the fixed contact at interchangeable positions according to claim 1, further comprising a mounting seat (6) mounted on the switch base (1), a trip lever (7) and a temperature sensing element (8) independently mounted on the mounting seat (6), wherein a trigger portion (81) is disposed at the top of the temperature sensing element (8), the temperature sensing element (8) can trigger the trip lever (7) to act through the trigger portion (81) when being heated and deformed, and the trip lever (7) acts to drive the operating mechanism to trip.
3. The moving-fixed contact interchangeable position-fitted switch device according to claim 2, wherein said temperature sensing element (8) is a bimetal element.
4. The moving-fixed contact interchangeable position-fitted switch device according to claim 3, wherein a positioning groove (61) is provided at the top of the mounting seat (6), and the bottom of the bimetal element is inserted into the positioning groove (61) to realize fixed mounting with the mounting seat (6).
5. The moving and static contact interchangeable position-mounted switch device according to claim 4, wherein a clamping table is arranged in the positioning groove (61) arranged on the mounting seat (6), a positioning hole (82) is arranged at the bottom of the bimetal element, and after the bottom of the bimetal element is inserted into the positioning groove (61) on the mounting seat (6), the clamping table is clamped in the positioning hole (82) of the bimetal element, so that the bimetal element is fixedly mounted on the mounting seat (6).
6. The switch device with the movable contact and the fixed contact capable of interchanging positions and being assembled according to claim 2, wherein an embedding groove (63) is formed in the bottom of the mounting seat (6) above the fixed contact, a magnet (9) is arranged in the embedding groove (63), and the magnet (9) is fixed in the embedding groove (63) through a buckle (64) arranged at the notch of the embedding groove (63).
7. The moving-fixed contact interchangeable position-fitted switch device according to claim 6, wherein the bottom of the insertion groove (63) is provided with a notch (62).
8. The moving contact and stationary contact interchangeable position-fitted switch device according to any one of claims 1 to 7, wherein a root portion of the elastic piece portion (5) is provided with an arc-shaped bent portion (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621112.6U CN212874392U (en) | 2020-08-06 | 2020-08-06 | Switching device with movable and static contacts capable of being assembled at interchangeable positions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621112.6U CN212874392U (en) | 2020-08-06 | 2020-08-06 | Switching device with movable and static contacts capable of being assembled at interchangeable positions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212874392U true CN212874392U (en) | 2021-04-02 |
Family
ID=75219835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021621112.6U Active CN212874392U (en) | 2020-08-06 | 2020-08-06 | Switching device with movable and static contacts capable of being assembled at interchangeable positions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212874392U (en) |
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2020
- 2020-08-06 CN CN202021621112.6U patent/CN212874392U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of utility model: A switching device with interchangeable position assembly of dynamic and static contacts Effective date of registration: 20211216 Granted publication date: 20210402 Pledgee: China Co. truction Bank Corp Yueqing branch Pledgor: ZHEJIANG QIANNA ELECTRIC Co.,Ltd. Registration number: Y2021330002552 |