Contact protection box of control switch

Abstract

The utility model relates to a contact protection box of a control switch, which comprises the control switch, a contact protection box seat, a contact protection box cover and a sealing waterproof ring, the contact protection box cover is provided with a control switch mounting hole and a wiring hole, and the contact protection box cover is nested in the contact protection box seat in an interference fit manner. A plurality of box seat buckles are arranged on the contact protection box cover, buckle bosses are arranged at positions, corresponding to the box seat buckles, on the contact protection box seat, and the box seat buckles and the buckle bosses are assembled in an inverted fastening manner. The contact protection box is simple to disassemble and assemble, space is saved, the protection effect of a sealing box can be achieved, the extreme requirement that cost is relatively low can be met, the contact is wrapped to achieve the sealing effect without affecting assembling, the contact protection box is provided with a positioning groove, a client and a client installation panel are installed in the same direction, and installation is easy through a buckle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to low voltage electrical control field, more specifically, relate to a main switch contact protection box. BACKGROUND

[0002] The contact protection box is a device for protecting contacts. Contacts play a role in connecting and disconnecting circuits in circuits, and are easily damaged in some cases, such as harsh environments or signal transmission lines requiring high low current. The contact protection box can play a protective role, thereby prolonging the service life of the contact and ensuring the normal operation of the circuit. SUMMARY

[0003] In order to solve the above problems, the utility model provides a main switch contact protection box for protecting the contacts of the main switch in various low voltage and low current signal circuits.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A main switch contact protection box, comprising a main switch, a contact protection box seat, a contact protection box cover and a sealing waterproof ring, the contact protection box cover is provided with a main switch mounting hole and a wiring hole, the contact protection box cover is fitted and nested in the contact protection box seat, the contact protection box cover is provided with a plurality of seat buckles, the contact protection box seat is provided with a buckle boss corresponding to the seat buckle, and the seat buckle and the buckle boss are fastened and assembled.

[0006] Further, the contact protection box cover is provided with a contact protection box cover mounting groove.

[0007] Further, the contact protection box cover mounting groove is provided with a sealing waterproof ring.

[0008] Further, the main switch knob is installed outside the contact protection box cover through the main switch mounting hole, and is fixed inside through a threaded ring, and the contact module assembly of the main switch is installed inside the contact protection box cover.

[0009] Further, a waterproof pad is arranged between the main switch mounting hole and the threaded ring.

[0010] Further, the main switch mounting hole of the contact protection box cover is provided with a positioning groove.

[0011] The utility model discloses beneficial effect lies in: contact protection box box cover and contact protection box box seat between the interference fit, and contact protection box forms the sealing through waterproof ring, and contact protection box box cover top can according to the main switch of various diameters and carry out the trepanning, and positioning groove is positioned to reach the effect that customer assembly position is consistent, and the 4 buckle structures of contact protection box box cover side surface and the 4 boss structure on contact protection box box seat correspond and cooperate, reach the reverse buckle fastening effect, simultaneously make contact protection box box cover and contact protection box box seat between the compression waterproof ring and form the sealing, can reach the protection level IP65. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the section view schematic drawing of contact protection box of the utility model,

[0013] Figure 2 It is the explosion drawing of contact protection box of the utility model,

[0014] Figure 3 It is the assembly schematic drawing of contact protection box of the utility model,

[0015] Figure 4 It is the effect schematic drawing of contact protection box of the utility model,

[0016] Figure 5 It is the explosion drawing of contact protection box of the utility model,

[0017] Wherein, 1, contact protection box box cover, 2, contact protection box box seat, 3, sealed waterproof ring, 4, main switch mounting hole, 5, wiring hole, 6, main switch knob, 7, thread ring, 8, waterproof pad, 9, contact module assembly, 10, positioning groove, 11, installation recess, 12, box seat buckle, 13, buckle boss. DETAILED DESCRIPTION

[0018] The embodiment of the utility model is further explained below in combination with the drawings.

[0019] As Figures 1 to 5As shown, a contact protection box of a master switch comprises a master switch, a contact protection box cover 1, a contact protection box base 2 and a sealing waterproof ring 3, the contact protection box cover 1 is provided with a master switch mounting hole 4 and a wiring hole 5, a master switch knob 6 is mounted outside the contact protection box cover 1 through the master switch mounting hole 4 and is fixed inside through a threaded ring 7, a waterproof pad 8 is arranged between the master switch mounting hole 4 and the master switch knob, and a contact module assembly 9 of the master switch is mounted inside the contact protection box cover 1; the master switch mounting hole 4 is provided with a positioning groove 10 for positioning installation and maintaining consistency of installation, the contact protection box cover 1 is installed in the contact protection box base 2 in an interference fit, the contact protection box base 2 is provided with a contact protection box cover mounting groove 11, and the contact protection box cover mounting groove 11 is provided with the sealing waterproof ring 3; the contact protection box cover 1 is provided with a plurality of base buckles 12, the contact protection box base 2 is provided with a buckle boss 13 corresponding to the position of the base buckle 12, and the base buckle 12 and the buckle boss 13 are reversely buckled and fastened and assembled.

[0020] The base buckle 12 and the buckle boss 13 are reversely buckled and fastened and assembled, the contact protection box cover 1 and the contact protection box base 2 are simultaneously sealed by the sealing waterproof ring 3, and the sealing waterproof ring 3 is compressed between the contact protection box cover 1 and the contact protection box base 2 to form a seal, and the protection level of the contact protection box can reach IP65 in cooperation with the protection level of the lower contact protection box.

[0021] Assembly process:

[0022] First, the key knob 6 (various master switches can be used) is worn through the waterproof pad 8, the panel, the contact protection box cover 1, the threaded ring 7 is tightened, the contact module assembly 9 with wires is assembled, the sealing waterproof ring 3 is assembled into the mounting groove 11 of the contact protection box base 2, the contact protection box cover 1 assembly assembled in front is pressed onto the contact protection box base 2 assembly with the waterproof ring assembled, and the four base buckles 12 on the side are used for fastening and installation; thus, the whole contact protection box assembly is completed;

[0023] Working principle:

[0024] The customer needs a contact protection box of a master switch, which is simple to disassemble and assemble, saves space, has a sealing box protection effect, has a relatively low cost and an extreme demand, does not affect assembly, wraps the contact, has a sealing effect, the contact protection box has a positioning groove, the customer and the customer installation panel are installed in one direction, and are simply installed through buckling.

[0025] The above only describes preferred embodiments of the utility model, and does not limit the patent range of the utility model, and equivalent structural transformations made by using the utility model specification content or direct or indirect application of other related products in the technical field are also included in the patent protection range of the utility model.

Claims

1. A contact protection box for a master switch, characterized in that, Including the master switch, the contact protection box cover (1), the contact protection box box seat (2) and the sealing waterproof ring (3), the contact protection box cover (1) is provided with master switch mounting hole (4) and wiring hole (5), the contact protection box cover (1) is nested and installed in the contact protection box box seat (2) with interference fit, the contact protection box cover (1) is provided with a plurality of box seat buckles (12), the contact protection box box seat (2) is provided with buckle boss (13) in the corresponding box seat buckle (12) place, the box seat buckle (12) and buckle boss (13) are reversed buckle fastening assembly.

2. A contact protection box for a master switch according to claim 1, characterized in that: The contact protection box box seat (2) is provided with contact protection box cover (1) installation groove (11).

3. A contact protection box for a master switch according to claim 2, characterized in that: The contact protection box cover (1) installation groove (11) is provided with sealing waterproof ring (3).

4. A contact protection box for a master switch according to claim 1, characterized in that: The master switch knob (6) is installed outside the contact protection box cover (1) through the master switch mounting hole (4), and is fixed inside through the thread ring (7), and the contact module assembly (9) of the master switch is installed inside the contact protection box cover (1).

5. A contact protection box for a master switch according to claim 4, characterized in that: The master switch mounting hole (4) and the thread ring (7) are provided with a waterproof pad (8).

6. A contact protection box for a master switch according to any one of claims 1-5, characterized in that: The contact protection box cover (1) is provided with positioning groove (10) on the master switch mounting hole (4).

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