CN211929367U - Fixed contact for fuse type isolating switch - Google Patents

Fixed contact for fuse type isolating switch Download PDF

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Publication number
CN211929367U
CN211929367U CN202021110401.XU CN202021110401U CN211929367U CN 211929367 U CN211929367 U CN 211929367U CN 202021110401 U CN202021110401 U CN 202021110401U CN 211929367 U CN211929367 U CN 211929367U
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CN
China
Prior art keywords
plate
connecting plate
shaped connecting
static contact
compression spring
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Active
Application number
CN202021110401.XU
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Chinese (zh)
Inventor
李宪鹏
李克峰
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Huatuo Power Equipment Group Co ltd
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Huatuo Power Equipment Group Co ltd
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Priority to CN202021110401.XU priority Critical patent/CN211929367U/en
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Abstract

The utility model provides a fuse formula static contact for isolator. The static contact for the fuse type isolating switch comprises: a conductive plate; the current-conducting plate is connected with the compression spring mechanism; the static contact mechanism is connected with the current conducting plate and comprises reinforcing ribs, round corners, a connecting frame structure, a U-shaped connecting plate, a static contact plate and a baffle plate, one end of the static contact plate which is obliquely arranged is integrally formed on one side surface of the current conducting plate, the other end of the static contact plate is integrally formed with the U-shaped connecting plate, the baffle plate is integrally formed at one end, away from the static contact plate, of the U-shaped connecting plate, the opening of the U-shaped connecting plate is arranged away from the current conducting plate, and the U-shaped connecting plate is further connected with the compression spring mechanism; and a connecting frame structure used for being connected with the moving contact is connected in the U-shaped connecting plate. The utility model provides a fuse is static contact for isolator has electric conductive property advantage good and can reduce cost.

Description

Fixed contact for fuse type isolating switch
Technical Field
The utility model relates to a fuse formula isolator field especially relates to a static contact for fuse formula isolator.
Background
The drop-out fuse is a short-circuit protection switch most commonly used for 10kV distribution line branch lines and distribution transformers, has the characteristics of economy, convenience in operation, strong outdoor environment adaptability and the like, and is widely applied to primary sides of the 10kV distribution lines and the distribution transformers for protection and equipment switching and switching operation.
The static contact is the necessary subassembly in fuse formula isolator, and current for fuse formula isolator static contact is when using, generally together with the current conducting plate crimping through bolt and clamp plate, and current conducting plate and static contact plate, non-integrated into one piece influence the electric conductivity of static contact plate, influence simultaneously with the stability of static contact installation.
Therefore, there is a need to provide a new fixed contact for a fuse type disconnecting switch to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a better static contact for fuse formula isolator of electric conductive property.
The utility model provides a fuse is static contact for isolator includes: a conductive plate; the current-conducting plate is connected with the compression spring mechanism; the static contact mechanism is connected with the current conducting plate and comprises reinforcing ribs, round corners, a connecting frame structure, a U-shaped connecting plate, a static contact plate and a baffle plate, one end of the static contact plate which is obliquely arranged is integrally formed on one side surface of the current conducting plate, the other end of the static contact plate is integrally formed with the U-shaped connecting plate, the baffle plate is integrally formed at one end, away from the static contact plate, of the U-shaped connecting plate, the opening of the U-shaped connecting plate is arranged away from the current conducting plate, and the U-shaped connecting plate is further connected with the compression spring mechanism; u type connecting plate in-connection has the carriage structure that is used for being connected with the moving contact, and the carriage structure includes instruction pole, carriage and pressure spring, be equipped with the carriage that is used for being connected with the moving contact in the U type connecting plate, the carriage passes through the interior wall connection of a plurality of pressure springs and U type connecting plate, and carriage fixedly connected with instruction pole, and the through-hole setting that U type connecting plate was seted up is run through to the instruction pole.
Preferably, the pressure spring mechanism comprises a pressure spring, a mounting plate and a telescopic rod, the mounting plate is connected to the surface of the current-conducting plate opposite to the U-shaped connecting plate, one end of the pressure spring is connected to the mounting plate, the other end of the pressure spring is connected with the U-shaped connecting plate, and the mounting plate is further connected with the U-shaped connecting plate through the telescopic rod.
Preferably, the pressure spring mechanism further comprises a threaded rod and a knob, the conductive plate is provided with a threaded through hole, the threaded through hole is internally threaded with the threaded rod, one end of the threaded rod is fixedly connected with the knob, and the other end of the threaded rod is rotated and connected with the mounting plate.
Preferably, the static contact plate mechanism further comprises a reinforcing rib, and the reinforcing rib is integrally formed at the joint of the static contact plate and the conductive plate.
Preferably, the stationary contact mechanism further comprises a round angle, and the round angle is formed at the joint of the U-shaped connecting plate, the stationary contact and the baffle.
Preferably, the inner surface of the connection frame is silver-plated and has a thickness of 5 μm.
Compared with the prior art, the utility model provides a static contact for fuse formula isolator has following beneficial effect:
1. the utility model discloses well stationary contact plate and current conducting plate integrated into one piece can reduce cost, increase the stability of stationary contact plate installation simultaneously, make the electric conductive property of stationary contact plate better simultaneously, be difficult for causing the electric spark, improve the security of device use;
2. the utility model discloses in the use, compression spring and pressure spring all are compressed, under the effect of the dual elasticity restoring force of pressure spring and compression spring, guarantee that static contact pressure is enough to reduce the probability that contact burn or fusion tube fall by oneself.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a stationary contact for a fuse type disconnecting switch according to the present invention;
FIG. 2 is a schematic structural diagram of a connecting frame structure of the static touch panel mechanism shown in FIG. 1;
fig. 3 is a schematic side view of a stationary contact for the fuse-type disconnecting switch shown in fig. 1.
Reference numbers in the figures: 1. a compression spring mechanism; 11. a threaded rod; 12. a knob; 13. a compression spring; 14. mounting a plate; 15. a telescopic rod; 2. a conductive plate; 3. a stationary contact plate mechanism; 31. reinforcing ribs; 32. round corners; 33. a connecting frame structure; 331. an indication lever; 332. a connecting frame; 333. a pressure spring; 34. a U-shaped connecting plate; 35. a stationary contact plate; 36. and a baffle plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a stationary contact for a fuse type disconnecting switch according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural diagram of a connecting frame structure of the static touch panel mechanism shown in FIG. 1; fig. 3 is a schematic side view of a stationary contact for the fuse-type disconnecting switch shown in fig. 1. The static contact for the fuse type isolating switch comprises: a conductive plate 2; the current-conducting plate 2 is connected with the compression spring mechanism 1; and the static contact plate mechanism 3 is connected with the conductive plate 2.
In a specific implementation process, as shown in fig. 1 and 2, the stationary contact mechanism 3 includes a reinforcing rib 31, a fillet 32, a connecting frame structure 33, a U-shaped connecting plate 34, a stationary contact plate 35, and a baffle 36, one end of the stationary contact plate 35, which is obliquely arranged, is integrally formed on one side surface of the conductive plate 2, the other end of the stationary contact plate 35 is integrally formed with the U-shaped connecting plate 34, one end of the U-shaped connecting plate 34, which is away from the stationary contact plate 35, is integrally formed with the baffle 36, wherein an opening of the U-shaped connecting plate 34 is arranged away from the conductive plate 2, and the U-shaped connecting plate 34 is further connected with the compression spring mechanism 1; the U-shaped connecting plate 34 is internally connected with a connecting frame structure 33 used for being connected with the moving contact, the connecting frame structure 33 comprises an indicating rod 331, a connecting frame 332 and a pressure spring 333, the connecting frame 332 used for being connected with the moving contact is arranged in the U-shaped connecting plate 34, the connecting frame 332 is connected with the inner wall of the U-shaped connecting plate 34 through the pressure springs 333, the connecting frame 332 is fixedly connected with the indicating rod 331, and the indicating rod 331 penetrates through the U-shaped connecting plate 34 and is in sliding connection with the U-shaped connecting plate 34.
Need to explain: when the device is used, the static contact plate 35 and the conductive plate 2 are integrally formed, so that the cost can be reduced, the mounting stability of the static contact plate 35 is improved, the electric conductivity of the static contact plate 35 is better, electric sparks are not easy to cause, and the use safety of the device is improved;
it is also stated that: when the device is used, the moving contact is inserted into the connecting frame 332, the compression spring 13 in the compression spring mechanism 1 is compressed at the moment, and the compression spring 333 is also compressed, so that under the action of the dual elastic restoring force of the compression spring 333 and the compression spring 13, the static contact is ensured to have enough pressure, and the probability of contact burning or the melting tube falling automatically is reduced;
it is also stated that: scale marks are drawn on the indicating rod 331, and the length of the indicating rod 331 extending out of the U-shaped connecting plate 34 can be visually known through the scale marks, so that the pressure of the static contact can be indicated, and when the length of the indicating rod 331 extending out of the U-shaped connecting plate 34 is longer, the pressure of the static contact is higher; for example: when the pressure of the static contact is ensured, the length of the indication rod 331 extending out of the U-shaped connecting plate 34 is controlled to be 3-5cm, and an operator can visually know whether the pressure of the static contact is enough or not by penetrating the length of the indication rod 331 extending out of the U-shaped connecting plate 34, so that the burden of the operator is reduced.
Referring to fig. 1 and 3, the pressure spring mechanism 1 includes a pressure spring 13, a mounting plate 14 and an expansion link 15, the mounting plate 14 is connected to a surface of the conductive plate 2 opposite to the U-shaped connecting plate 34, the mounting plate 14 is connected to one end of the pressure spring 13, the other end of the pressure spring 13 is connected to the U-shaped connecting plate 34, and the mounting plate 14 is further connected to the U-shaped connecting plate 34 through the expansion link 15.
Need to explain: when the device is in use, when the moving contact is inserted into the connecting frame 332, the pressing spring 13 is compressed at the moment, and under the action of the elastic restoring force of the pressing spring 13, the moving contact is stably connected with the connecting frame 332.
Referring to fig. 3, the pressure spring mechanism 1 further includes a threaded rod 11 and a knob 12, the conductive plate 2 is provided with a threaded through hole, the threaded through hole is internally threaded with the threaded rod 11, one end of the threaded rod 11 is fixedly connected with the knob 12, and the other end of the threaded rod 11 is rotated and connected with the mounting plate 14.
Need to explain: through rotating knob 12 for the distance between mounting panel 14 and the conducting plate 2 can be adjusted, thereby the deformation volume of pressure spring 13 can be adjusted (the device uses for a long time, and pressure spring 13 can reduce because reason elasticity such as corrosion can), when the moving contact was inserted in connecting frame 332, the pressure was enough and the size moderate degree was guaranteed.
Referring to fig. 1, the static contact plate mechanism 3 further includes a reinforcing rib 31, and the reinforcing rib 31 is integrally formed at a joint of the static contact plate 35 and the conductive plate 2.
Need to explain: the connection of the stationary contact plate 35 to the conductive plate 2 is made more stable by the reinforcing ribs 31.
Referring to fig. 1, the stationary contact mechanism 3 further includes a fillet 32, and the fillet 32 is provided at the connection position of the U-shaped connecting plate 34, the stationary contact plate 35 and the baffle 36.
Need to explain: the insertion of the movable contacts into the connecting frame 332 is facilitated by the rounded corners 32.
Referring to fig. 1, the inner surface of the connection frame 332 is plated with silver and has a thickness of 5 μm.
Need to explain: the conductivity of the connecting frame 332 is increased by silver plating.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (6)

1. A static contact for a fuse type isolating switch is characterized by comprising:
a conductive plate (2);
the current-conducting plate (2) is connected with the compression spring mechanism (1);
the static contact plate mechanism (3) is connected with the conductive plate (2), the static contact plate mechanism (3) comprises reinforcing ribs (31), round corners (32), a connecting frame structure (33), a U-shaped connecting plate (34), a static contact plate (35) and a baffle (36), one end of the static contact plate (35) is obliquely arranged on one side face of the conductive plate (2), the U-shaped connecting plate (34) is integrally formed on the other end of the static contact plate (35), the baffle (36) is integrally formed at one end, away from the static contact plate (35), of the U-shaped connecting plate (34), the opening of the U-shaped connecting plate (34) deviates from the conductive plate (2), and the U-shaped connecting plate (34) is further connected with the compression spring mechanism (1); u type connecting plate (34) in-connection have be used for with moving contact be connected connection frame structure (33), connecting frame structure (33) are including indicating lever (331), connection frame (332) and pressure spring (333), be equipped with in U type connecting plate (34) and be used for the connection frame (332) of being connected with the moving contact, connection frame (332) are through the interior wall connection of a plurality of pressure springs (333) with U type connecting plate (34), and connection frame (332) fixedly connected with indicating lever (331), and indicating lever (331) run through the through-hole setting that U type connecting plate (34) were seted up.
2. The fixed contact for the fuse type disconnecting switch according to claim 1, wherein the compression spring mechanism (1) comprises a compression spring (13), a mounting plate (14) and an expansion link (15), the mounting plate (14) is connected to a surface of the conductive plate (2) opposite to the U-shaped connecting plate (34), the mounting plate (14) is connected to one end of the compression spring (13), the other end of the compression spring (13) is connected to the U-shaped connecting plate (34), and the mounting plate (14) is further connected to the U-shaped connecting plate (34) through the expansion link (15).
3. The fixed contact for the fuse type disconnecting switch according to claim 1, wherein the compression spring mechanism (1) further comprises a threaded rod (11) and a knob (12), the conductive plate (2) is provided with a threaded through hole, the threaded through hole is internally threaded with the threaded rod (11), one end of the threaded rod (11) is fixedly connected with the knob (12), and the other end of the threaded rod (11) is rotatably connected with the mounting plate (14).
4. The fixed contact for the fuse type disconnecting switch according to claim 1, wherein the fixed contact plate mechanism (3) further comprises a reinforcing rib (31), and the reinforcing rib (31) is integrally formed at the joint of the fixed contact plate (35) and the conductive plate (2).
5. The fixed contact for the fuse type disconnecting switch according to claim 1, wherein the fixed contact mechanism (3) further comprises a fillet (32), and the fillet (32) is formed at the connection part of the U-shaped connecting plate (34), the fixed contact plate (35) and the baffle (36).
6. The stationary contact for a fused disconnecting switch according to claim 1, wherein an inner surface of said connecting frame (332) is silver-plated and has a thickness of 5 μm.
CN202021110401.XU 2020-06-16 2020-06-16 Fixed contact for fuse type isolating switch Active CN211929367U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021110401.XU CN211929367U (en) 2020-06-16 2020-06-16 Fixed contact for fuse type isolating switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021110401.XU CN211929367U (en) 2020-06-16 2020-06-16 Fixed contact for fuse type isolating switch

Publications (1)

Publication Number Publication Date
CN211929367U true CN211929367U (en) 2020-11-13

Family

ID=73320543

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021110401.XU Active CN211929367U (en) 2020-06-16 2020-06-16 Fixed contact for fuse type isolating switch

Country Status (1)

Country Link
CN (1) CN211929367U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A kind of static contact for fuse type disconnector

Effective date of registration: 20201229

Granted publication date: 20201113

Pledgee: Bank of China Limited Pingdingshan Jianhua sub branch

Pledgor: Huatuo Power Equipment Group Co.,Ltd.

Registration number: Y2020980010100

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220323

Granted publication date: 20201113

Pledgee: Bank of China Limited Pingdingshan Jianhua sub branch

Pledgor: Huatuo Power Equipment Group Co.,Ltd.

Registration number: Y2020980010100

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A fixed contact for fuse type disconnector

Effective date of registration: 20220325

Granted publication date: 20201113

Pledgee: Bank of China Limited Pingdingshan Jianhua sub branch

Pledgor: Huatuo Power Equipment Group Co.,Ltd.

Registration number: Y2022980003180

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230328

Granted publication date: 20201113

Pledgee: Bank of China Limited Pingdingshan Jianhua sub branch

Pledgor: Huatuo Power Equipment Group Co.,Ltd.

Registration number: Y2022980003180

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Fixed contact for fuse type isolation switch

Effective date of registration: 20230426

Granted publication date: 20201113

Pledgee: Bank of China Limited Pingdingshan Jianhua sub branch

Pledgor: Huatuo Power Equipment Group Co.,Ltd.

Registration number: Y2023980039076

PE01 Entry into force of the registration of the contract for pledge of patent right