CN217544462U - High-safety load switch device - Google Patents
High-safety load switch device Download PDFInfo
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- CN217544462U CN217544462U CN202220533861.6U CN202220533861U CN217544462U CN 217544462 U CN217544462 U CN 217544462U CN 202220533861 U CN202220533861 U CN 202220533861U CN 217544462 U CN217544462 U CN 217544462U
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- conducting rod
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Abstract
The utility model discloses a high-safety load switch device, which comprises a vacuum arc extinguish chamber, and a fixed conducting rod and a movable conducting rod which are arranged in the vacuum arc extinguish chamber and correspond up and down; the fixed conducting rod is fixedly connected relative to the vacuum arc extinguish chamber, and the top end of the fixed conducting rod is connected with an incoming line contact; the movable conducting rod is elastically connected relative to the vacuum arc extinguish chamber, and the bottom end of the movable conducting rod is connected with an outgoing line contact and a driving mechanism; a clamping type conductive connector is arranged between the fixed conductive rod and the movable conductive rod in a matched mode, and the driving mechanism can drive the movable conductive rod to vertically move to enable the clamping type conductive connector to be connected or disconnected. The utility model provides a pair of high security load switch device improves greatly and connects electrically conductive stability.
Description
Technical Field
The utility model belongs to the technical field of load switch, especially, relate to a high security load switch device.
Background
The switch conductive contact of the existing load switch adopts a wrapping type, and the switch conductive contact has the following defects: under the condition of being influenced by vibration, the contact of contact easily produces and rocks and leads to area of contact to reduce, produces the vacancy, and very big probability can lead to the conductive contact bad, causes the influence for the production life. In order to solve the problem, the utility model discloses a high security load switch device can improve greatly and connect electrically conductive stability.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the deficiencies in the prior art, the utility model provides a high security load switch device improves the stability that connects the electric conduction greatly.
The technical scheme is as follows: in order to achieve the above object, the utility model discloses a high-safety load switch device, which comprises a vacuum arc extinguish chamber, and a fixed conducting rod and a movable conducting rod which are arranged in the vacuum arc extinguish chamber and correspond up and down; the fixed conducting rod is fixedly connected relative to the vacuum arc extinguish chamber, and the top end of the fixed conducting rod is connected with an incoming line contact; the movable conducting rod is elastically connected relative to the vacuum arc extinguish chamber, and the bottom end of the movable conducting rod is connected with an outgoing line contact and a driving mechanism; the clamping type conductive connector is arranged between the fixed conductive rod and the movable conductive rod in a matched mode, and the driving mechanism can drive the movable conductive rod to vertically move to enable the clamping type conductive connector to be connected or disconnected.
Furthermore, the clamping type conductive joint comprises two clamping pieces arranged at the lower end of the fixed conductive rod and an extending piece arranged at the upper end of the movable conductive rod; the two clamping pieces are arranged in an inverted splayed structure, one clamping piece is a conductive structure body, and the other clamping piece is an insulating structure body; the stretching piece is positioned at the lower position between the two clamping pieces which are arranged in an inverted splayed structure, and the stretching piece can be driven by the driving mechanism to move upwards to stretch into the space between the two clamping pieces and be clamped.
Furthermore, a positioning sleeve and a guide sleeve are arranged on the mounting wall in the vacuum arc extinguishing chamber; the positioning sleeve axially corresponds to the fixed conducting rod, and the fixed conducting rod penetrates through the positioning sleeve; the guide sleeve corresponds to the movable conducting rod, and the movable conducting rod slides to penetrate through the guide sleeve.
Furthermore, a top cover is arranged on the fixed conducting rod, and the top cover is in compression joint with the sealing ring and fixed to the top end of the vacuum arc extinguish chamber.
Furthermore, a piston body is arranged on the movable conducting rod and is in movable connection with the vacuum arc extinguish chamber in a sealing manner; the inner wall of the vacuum arc extinguish chamber is provided with an annular plate, and the distance between the movable conducting rods penetrates through the annular plate; a spring sleeved on the movable conducting rod is arranged between the piston body and the annular plate, and the spring is in an elastic compression state; and the inner ring of the spring is provided with a spring limiting rod connected to the piston body.
Furthermore, the vacuum arc extinguish chamber also comprises a shielding cylinder, wherein an insulating ceramic shell is sleeved outside the shielding cylinder, and the vacuum arc extinguish chamber is the inner space of the shielding cylinder.
Further, the driving mechanism comprises an electric push rod and a connecting rod which is arranged on the electric push rod and connected with the lower end of the movable conducting rod.
Has the advantages that: the utility model discloses a high security load switch device, beneficial effect is: the utility model discloses a setting of centre gripping formula conductive joint makes and decides the conducting rod and move the electrically conductive connection between the conducting rod more firm, receives the vibration influence also can not appear the condition such as contact failure, short circuit, improves the circular telegram security greatly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of a half-section structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a high-safety load switch device includes a vacuum interrupter 10, and a fixed conducting rod 2 and a movable conducting rod 3 which are disposed in the vacuum interrupter 10 and correspond to each other up and down; the fixed conducting rod 2 is fixedly connected relative to the vacuum arc extinguish chamber 10, and the top end of the fixed conducting rod 2 is connected with an incoming line contact 4; the movable conducting rod 3 is elastically connected relative to the vacuum arc extinguish chamber 10, and the bottom end of the movable conducting rod 3 is connected with an outgoing line contact 5 and a driving mechanism 6; the fixed conducting rod 2 and the movable conducting rod 3 are provided with a clamping type conducting joint 7 in a matched mode, and the driving mechanism 6 can drive the movable conducting rod 3 to vertically move to enable the clamping type conducting joint 7 to be connected or disconnected. Through the setting of centre gripping formula conductive joint 7, make and decide conducting rod 2 and move the conducting connection between the conducting rod 3 more firm, receive the vibration influence also can not appear the condition such as contact failure, short circuit, improve the circular telegram security greatly.
The utility model discloses still include that outside cover is equipped with a shielding section of thick bamboo 1 of insulating porcelain shell 11, vacuum interrupter 10 is the inner space of a shielding section of thick bamboo 1 promptly.
The clamping type conductive joint 7 comprises two clamping pieces 71 arranged at the lower end of the fixed conductive rod 2 and an extending piece 72 arranged at the upper end of the movable conductive rod 3; the two clamping pieces 71 are arranged in an inverted splayed structure, wherein one clamping piece 71 is a conductive structure body, and the other clamping piece 71 is an insulating structure body; the extending piece 72 is located at the lower position between the two clamping pieces 71 which are arranged in an inverted splayed structure, and the extending piece 72 can be driven by the driving mechanism 6 to move upwards to extend between the two clamping pieces 71 and be clamped. Compared with the wrapping type connection conductive mode in the center of the prior art, the clamping type conductive connection is more stable and is not easy to loose and short circuit.
A positioning sleeve 8 and a guide sleeve 9 are arranged on a mounting wall 20 in the vacuum arc-extinguishing chamber 10; the positioning sleeve 8 axially corresponds to the fixed conducting rod 2, and the fixed conducting rod 2 penetrates through the positioning sleeve 8; the guide sleeve 9 corresponds to the movable conducting rod 3, and the movable conducting rod 3 slides to penetrate through the guide sleeve 9. The locating sleeve 8 is used for locating the fixed conducting rod 2, so that the assembly convenience is improved, and the fixed conducting rod is prevented from shaking. The guide sleeve 9 is used for guiding the vertical movement of the movable conducting rod 3.
Decide and be provided with top cap 13 on the conducting rod 2, top cap 13 crimping sealing washer 12 is fixed on vacuum interrupter 10 top, improves the seal.
The movable conducting rod 3 is provided with a piston body 14, and the piston body 14 is in sealing movable connection with the vacuum arc-extinguishing chamber 10; the inner wall of the vacuum arc-extinguishing chamber 10 is provided with an annular plate 17, and the movable conducting rods 3 penetrate through the annular plate 17 at intervals; a spring 16 sleeved on the movable conducting rod 3 is arranged between the piston body 14 and the annular plate 17, and the spring 16 is in an elastic compression state; the inner ring of said spring 16 is provided with a spring stopper 18 connected to the piston body 14. Under the condition of conducting connection, the extending piece 72 is clamped by the clamping piece 71; in the case of disconnection, the protrusion piece 72 exits the clamping range of the clamping piece 71, wherein the spring 16 performs a cushioning protection function, and the spring limiting rod 18 performs a limiting function on the spring 16 to prevent the spring from moving laterally.
More specifically, the driving mechanism 6 includes an electric push rod 61 and a connecting rod 62 mounted on the electric push rod 61 and connected to the lower end of the movable conductive rod 3.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (7)
1. A high-safety load switch device, characterized in that: comprises a vacuum arc extinguish chamber (10), and a fixed conducting rod (2) and a movable conducting rod (3) which are arranged in the vacuum arc extinguish chamber (10) and correspond to each other up and down; the fixed conducting rod (2) is fixedly connected relative to the vacuum arc-extinguishing chamber (10), and the top end of the fixed conducting rod (2) is connected with an incoming line contact (4); the movable conducting rod (3) is elastically connected relative to the vacuum arc-extinguishing chamber (10), and the bottom end of the movable conducting rod (3) is connected with an outgoing line contact (5) and a driving mechanism (6); decide conducting rod (2) and move and be provided with centre gripping formula conducting joint (7) between conducting rod (3) with supporting, actuating mechanism (6) can drive and move conducting rod (3) vertical migration makes centre gripping formula conducting joint (7) switch on or break off.
2. A high safety load switch device according to claim 1, wherein: the clamping type conductive joint (7) comprises two clamping pieces (71) arranged at the lower end of the fixed conductive rod (2) and an extending piece (72) arranged at the upper end of the movable conductive rod (3); the two clamping pieces (71) are arranged in an inverted splayed structure, wherein one clamping piece (71) is a conductive structure body, and the other clamping piece (71) is an insulating structure body; the stretching-in piece (72) is positioned at the lower position between the two clamping pieces (71) which are arranged in an inverted splayed structure, and the stretching-in piece (72) can be driven by the driving mechanism (6) to move upwards to stretch into the space between the two clamping pieces (71) and be clamped.
3. A high safety load switchgear, as claimed in claim 1, wherein: a positioning sleeve (8) and a guide sleeve (9) are arranged on a mounting wall (20) in the vacuum arc-extinguishing chamber (10); the positioning sleeve (8) axially corresponds to the fixed conducting rod (2), and the fixed conducting rod (2) penetrates through the positioning sleeve (8); the guide sleeve (9) corresponds to the movable conducting rod (3), and the movable conducting rod (3) slides and penetrates through the guide sleeve (9).
4. A high safety load switch device according to claim 1, wherein: the fixed conducting rod (2) is provided with a top cover (13), and the top cover (13) is fixed on the top end of the vacuum arc-extinguishing chamber (10) in a compression joint mode through a sealing ring (12).
5. A high safety load switch device according to claim 1, wherein: a piston body (14) is arranged on the movable conducting rod (3), and the piston body (14) is in sealing movable connection with the vacuum arc-extinguishing chamber (10); the inner wall of the vacuum arc-extinguishing chamber (10) is provided with an annular plate (17), and the movable conducting rods (3) penetrate through the annular plate (17) at intervals; a spring (16) sleeved on the movable conducting rod (3) is arranged between the piston body (14) and the annular plate (17), and the spring (16) is in an elastic compression state; and a spring limiting rod (18) connected to the piston body (14) is arranged on the inner ring of the spring (16).
6. A high safety load switch device according to claim 1, wherein: the vacuum arc extinguishing chamber is characterized by further comprising a shielding cylinder (1) with an insulating porcelain shell (11) sleeved outside, wherein the vacuum arc extinguishing chamber (10) is an inner space of the shielding cylinder (1).
7. A high safety load switch device according to claim 1, wherein: the driving mechanism (6) comprises an electric push rod (61) and a connecting rod (62) which is arranged on the electric push rod (61) and is connected with the lower end of the movable conducting rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220533861.6U CN217544462U (en) | 2022-03-11 | 2022-03-11 | High-safety load switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220533861.6U CN217544462U (en) | 2022-03-11 | 2022-03-11 | High-safety load switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217544462U true CN217544462U (en) | 2022-10-04 |
Family
ID=83427335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220533861.6U Active CN217544462U (en) | 2022-03-11 | 2022-03-11 | High-safety load switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217544462U (en) |
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2022
- 2022-03-11 CN CN202220533861.6U patent/CN217544462U/en active Active
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