Improved combination switch

Abstract

The utility model relates to the technical field of circuit switch control, and discloses an improved composite switch, which comprises a shell, a display control screen arranged at the raised part of the middle part of the shell, a plurality of connecting terminals and a plurality of heat dissipation holes respectively arranged at two ends of the shell, and a sliding connecting groove arranged at the back of the shell, a sliding installation block is installed in the sliding connection groove in a sliding mode, and the contour shape of the sliding installation block is matched with the notch shape of the sliding connection groove. A mounting groove is formed in the side wall of the sliding connecting groove, a limiting mechanism used for clamping the shell to the sliding mounting block is arranged in the mounting groove, and a limiting groove used for allowing the limiting mechanism to be inserted in is formed in the sliding mounting block. According to the utility model, the shell can be conveniently detached for maintenance or replacement without using a connecting and detaching tool, so that the working efficiency of workers is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit switch control, in particular to an improved composite switch. Background Art

[0002] The definition of a compound switch is a switching device that can close, carry and disconnect current under normal conductive circuit conditions, and is used to switch on and off capacitors in reactive power compensation devices; the compound switch uses a thyristor switch and a magnetic latching switch to operate in parallel. It has the advantages of thyristor zero-crossing switching at the moment of connection and disconnection, and the advantage of zero power consumption of the magnetic latching switch during normal connection. The compound switch has significant advantages such as no impact, low power consumption, and high life. It can replace contactors or thyristor switches and is widely used in the field of low-voltage reactive power compensation; the existing compound switches still have some shortcomings when used in complex installation situations, especially when the installation space is relatively narrow, it is inconvenient for the staff to extend the disassembly tools into the narrow space, and it is difficult to confirm the status of the compound switch and difficult to disassemble. Utility Model Content

[0003] The purpose of the utility model is to provide an improved composite switch to solve the problem that the existing composite switch proposed in the above background technology still has some shortcomings when used in complex installation situations, especially when the installation space is relatively narrow, it is inconvenient for the staff to extend the disassembly tool into the narrow space, and it is difficult to confirm the state of the composite switch and difficult to disassemble.

[0004] To achieve the above object, the utility model provides the following technical solutions: an improved composite switch, comprising a housing, a display control screen is arranged at the raised part of the middle of the housing, a plurality of connection terminals and a plurality of heat dissipation holes are arranged at both ends of the housing, a sliding connection groove is arranged at the back of the housing, a sliding installation block is slidably installed inside the sliding connection groove, and the contour shape of the sliding installation block is adapted to the notch shape of the sliding connection groove;

[0005] The side wall of the sliding connection groove is provided with an installation groove, and a limiting mechanism for clamping the shell on the sliding installation block is provided in the installation groove, and the sliding installation block is provided with a limiting groove for inserting the limiting mechanism.

[0006] Furthermore, signal transmission devices are respectively provided on both sides of the shell, and signal emission holes are provided on the shell on both sides of the signal transmission devices.

[0007] Furthermore, the limiting mechanism includes a limiting block, which is slidably installed inside the mounting groove, and a sliding rod is provided on the back of the limiting block. The end of the sliding rod away from the limiting block passes through the back of the shell and extends out, and the sliding rod is provided with an elastic part for driving the limiting block to move in a direction away from the mounting groove.

[0008] Furthermore, the elastic member is a compression spring, and two ends of the spring are respectively connected to the inner wall of the installation groove and the tail of the limit block.

[0009] Furthermore, a pulling handle is provided at one end of the slide bar extending above the housing, and an end of the pulling handle away from the slide bar extends toward the front side of the housing.

[0010] Furthermore, both sides of one end of the limiting block facing the limiting groove are provided with inclined surfaces.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a sliding connection groove on the back of the shell, and provides a limiting mechanism above the sliding connection groove. The limiting mechanism is clamped in the limiting groove, so that the shell can be conveniently clamped in a specified position on the sliding mounting block, which can avoid position deviation during the use of the composite switch. The shell can be conveniently disassembled for maintenance or replacement without using a connection and disassembly tool, thereby improving the work efficiency of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of an improved composite switch of the utility model;

[0014] Figure 2 This is an exploded view of the overall structure of an improved composite switch of the utility model;

[0015] Figure 3 This is an improved composite switch of the utility model. Figure 2 Schematic diagram of the local enlarged structure at A.

[0016] In the figure: 1. housing; 101. sliding connection groove; 102. mounting groove; 11. display control screen; 12. signal transmitting hole; 13. connecting terminal; 14. heat dissipation hole; 15. signal transmission device; 16. pull handle; 2. sliding mounting block; 201. limit groove; 3. limit mechanism; 31. limit block; 32. slide rod; 33. elastic member. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] See also Figure 1-Figure 3As shown, the utility model provides a technical solution: an improved composite switch, comprising a housing 1, a display control screen 11 is arranged at the raised part of the middle of the housing 1, a plurality of connection terminals 13 and a plurality of heat dissipation holes 14 are arranged at both ends of the housing 1, a sliding connection groove 101 is arranged at the back of the housing 1, a sliding installation block 2 is slidably installed inside the sliding connection groove 101, and the contour shape of the sliding installation block 2 is adapted to the notch shape of the sliding connection groove 101;

[0019] A mounting groove 102 is provided on the side wall of the sliding connection groove 101, and a limiting mechanism 3 for clamping the shell 1 on the sliding mounting block 2 is provided in the mounting groove 102, and a limiting groove 201 for inserting the limiting mechanism 3 is provided on the sliding mounting block 2; a plurality of step through holes for mounting the sliding mounting block 2 on the plane to be installed are provided on the sliding mounting block 2, and the sliding mounting block 2 is installed on the installation plane by bolts, and the screw heads of the bolts are located inside the step through holes; the step through holes can be selectively provided at both ends of the sliding mounting block 2.

[0020] In the utility model, during actual use, when it is necessary to install a composite switch in a narrow space, the sliding mounting block 2 is first fixedly installed on the plane to be installed by bolts, and the position of the bolts can be selected at a position where the space is wider, and then the sliding connection groove 101 on the back of the shell 1 is aligned with one end of the sliding mounting block 2, and the sliding connection groove 101 is sleeved on the outside of the sliding mounting block 2, and then the shell 1 is pushed along the sliding mounting block 2, so that the composite opening can be easily moved to the specified position. At this time, the shell 1 can be easily clamped in the specified position on the sliding mounting block 2 by the limiting mechanism 3 being clamped in the inside of the limiting groove 201, so that the position can be avoided from being offset during the use of the composite switch, and the shell 1 can be easily disassembled for maintenance or replacement without using a connection and disassembly tool, thereby improving the work efficiency of the staff.

[0021] Furthermore, signal transmission devices 15 are respectively provided on both sides of the housing 1 , and signal transmitting holes 12 are provided on the housing 1 on both sides of the signal transmission device 15 .

[0022] Furthermore, the limiting mechanism 3 includes a limiting block 31, which is slidably installed inside the mounting groove 102, and a sliding rod 32 is provided on the back of the limiting block 31. The end of the sliding rod 32 away from the limiting block 31 passes through the back of the shell 1 and extends out, and the sliding rod 32 is provided with an elastic member 33 for driving the limiting block 31 to move in a direction away from the mounting groove 102.

[0023] Furthermore, the elastic member 33 is a compression spring, and two ends of the spring are respectively connected to the inner wall of the mounting groove 102 and the tail of the limiting block 31 .

[0024] Furthermore, a pulling handle 16 is provided at one end of the slide bar 32 extending above the housing 1 , and an end of the pulling handle 16 away from the slide bar 32 extends toward the front side of the housing 1 .

[0025] Furthermore, both sides of one end of the limiting block 31 facing the limiting groove 201 are provided with inclined surfaces, which can make it more convenient for the limiting block 31 to slide into the limiting groove 201.

[0026] Working principle: By arranging a spring on the slide bar 32, the spring drives the slide bar 32 to move in the direction of the sliding mounting block 2, which can conveniently drive the limit block 31 to be stuck in the limit groove 201. When installing the composite switch, the composite switch moves on the sliding mounting block 2. When it reaches the specified position, the spring drives the limit block 31 to slide into the limit groove 201. The collision sound of the limit block 31 sliding into the limit groove 201 can be heard, and the sound can be clearly fed back to the installer, so that the installer can know whether the reset switch is firmly installed even if he cannot see the reset switch.

[0027] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. An improved composite switch, comprising a housing (1), a display control screen (11) being arranged at a raised portion in the middle of the housing (1), and a plurality of connection terminals (13) and a plurality of heat dissipation holes (14) being arranged at both ends of the housing (1), characterized in that: The back of the housing (1) is provided with a sliding connection groove (101), a sliding installation block (2) is slidably installed inside the sliding connection groove (101), and the contour shape of the sliding installation block (2) is adapted to the notch shape of the sliding connection groove (101); A mounting groove (102) is provided on the side wall of the sliding connection groove (101), a limiting mechanism (3) for clamping the housing (1) on the sliding mounting block (2) is provided in the mounting groove (102), and a limiting groove (201) for inserting the limiting mechanism (3) is provided on the sliding mounting block (2).

2. An improved composite switch according to claim 1, characterized in that: Signal transmission devices (15) are respectively arranged on both sides of the housing (1), and signal emission holes (12) are arranged on the housing (1) on both sides of the signal transmission device (15).

3. An improved composite switch according to claim 1, characterized in that: The limiting mechanism (3) comprises a limiting block (31), the limiting block (31) being slidably mounted inside the mounting groove (102), a sliding rod (32) being arranged on the back of the limiting block (31), an end of the sliding rod (32) away from the limiting block (31) passing through the back of the housing (1) and extending out, and an elastic member (33) being arranged on the sliding rod (32) for driving the limiting block (31) to move in a direction away from the mounting groove (102).

4. An improved composite switch according to claim 3, characterized in that: The elastic member (33) is a compression spring, and the two ends of the spring are respectively connected to the inner wall of the installation groove (102) and the tail of the limit block (31).

5. An improved composite switch according to claim 3, characterized in that: A pulling handle (16) is provided at one end of the slide bar (32) extending above the housing (1), and an end of the pulling handle (16) away from the slide bar (32) extends toward the front of the housing (1).

6. An improved composite switch according to claim 1, characterized in that: Both sides of one end of the limiting block (31) facing the limiting groove (201) are provided with inclined surfaces.

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