Sealing binding post for compressor

Abstract

The utility model discloses a sealing binding post for a compressor, and the binding post comprises a substrate which is provided with a mounting hole for a conductor rod to pass through; the conductor rod penetrates into the mounting hole, an expansion part for limiting the movement of the conductor rod is arranged on the conductor rod, an insulation sealing gasket is arranged at the joint of the expansion part and the substrate, and the substrate and the conductor rod are isolated by the insulation sealing gasket; and the fixing part is arranged on the outer side of the insulating sealing gasket and is used for fixing the conductor rod on the substrate. According to the utility model, the conductor rod is provided with the expansion part, the conductor rod is wrapped by the insulation sealing gasket for insulation sealing, and finally the insulation sealing gasket is pressed on the substrate through the fixing part, so that the sealing performance between the conductor rod and the substrate is enhanced, and the mechanical shock resistance and the cold and hot shock resistance are stronger.

Description

Technical Field

[0001] The utility model belongs to the technical field of compressors, and in particular relates to a sealed terminal post for a compressor. Background Art

[0002] The compressor drives the entire product through the internal motor. Since the controller is outside the shell, the motor lead wires need to be led to the outside of the shell and connected to the controller, so a wiring piece needs to be fixed on the shell to connect the internal motor and the controller.

[0003] The current sealed terminal mainly uses glass and ceramics to sinter the conductor rod on the metal substrate, and uses silicone to attach to the edge of the conductor rod to achieve connection, insulation and sealing between the conductor rod and the metal substrate. For example, application number CN200810216905.7 discloses a refrigeration compressor terminal, which discloses that the conductor rod is sealed together by glass and end caps. During the installation process, the workers are likely to hit the glass body, causing damage to the glass body. In addition, the glass or ceramic material has poor mechanical impact and thermal shock resistance, and is easy to break, causing the connection and sealing of the sealed terminal, or even insulation failure. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a sealed terminal for a compressor. The conductor rod of the utility model has an expansion part, and the conductor rod is wrapped with an insulating sealing gasket for insulation sealing. Finally, the insulating sealing gasket is pressed onto the substrate through the fixing part, thereby enhancing the sealing between the conductor rod and the substrate, and having strong resistance to mechanical shock and thermal shock.

[0005] Specifically, the utility model discloses a sealed terminal for a compressor, comprising:

[0006] A base plate, wherein the base plate is provided with a mounting hole for the conductor rod to pass through;

[0007] A conductor rod, the conductor rod is inserted into the mounting hole, and the conductor rod is provided with an expansion portion for limiting the movement thereof, and an insulating sealing gasket is provided at the connection between the expansion portion and the substrate, and the insulating sealing gasket isolates the substrate from the conductor rod;

[0008] The fixing part is arranged on the outside of the insulating sealing pad and fixes the conductor rod on the substrate.

[0009] By adopting the above scheme, the conductor rod passes through the substrate, the expansion part limits the movement of the conductor rod body, the conductor rod is wrapped with an insulating sealing gasket for insulation, and finally the insulating sealing gasket is pressed onto the substrate through the fixing part, thereby enhancing the sealing between the conductor rod and the substrate, and having a strong ability to resist mechanical shock and thermal shock.

[0010] Furthermore, the diameter of the expansion portion is greater than the diameter of the mounting hole.

[0011] By adopting the above solution, the diameter of the expansion portion is larger than the diameter of the mounting hole, which facilitates the positioning and fixing of the conductor rod.

[0012] Furthermore, the insulating sealing pad wraps the mounting hole.

[0013] By adopting the above solution, the insulating sealing gasket wraps the mounting hole to prevent the insulating sealing gasket from being separated from the mounting hole. In addition, the creepage distance between the substrate and the conductive rod is increased, thereby improving the sealing effect.

[0014] Furthermore, the insulating sealing gasket has a slot matching the thickness of the mounting hole, the slot has a first retaining ring and a second retaining ring, the diameter of the first retaining ring is greater than the diameter of the expansion portion, and the diameter of the second retaining ring is greater than the diameter of the fixing portion.

[0015] By adopting the above solution, the first retaining ring isolates the expansion part from the substrate to avoid contact between the two; the second retaining ring isolates the fixing part from the substrate to avoid contact between the two, and the insulating sealing gasket isolates the conductor rod from the substrate to avoid contact and conduction.

[0016] Furthermore, the fixing portion is a nut, and the fixing portion is threadedly connected to the conductor rod.

[0017] By adopting the above solution, the nut connection structure is simple and convenient for disassembly and assembly.

[0018] Furthermore, the fixing portion has a mounting portion in contact with the substrate and a protruding portion for pressing the insulating sealing gasket.

[0019] By adopting the above solution, the mounting portion is fixedly connected to the base plate, and the protruding portion presses the insulating sealing gasket to achieve sealing between the base plate and the conductor rod.

[0020] Furthermore, the insulating sealing pad wraps the expansion portion.

[0021] By adopting the above solution, the insulating sealing gasket wraps the expansion part, thereby preventing the insulating sealing gasket from falling out of the expansion part, and increasing the creepage distance between the substrate and the conductive rod, thereby improving the sealing effect.

[0022] Furthermore, the insulating sealing gasket has a groove, a first covering edge, and a second covering edge, the height of the groove matches the height of the expansion portion, the height of the first covering edge is greater than the thickness of the mounting hole, and the height of the second covering edge is greater than the thickness of the protrusion.

[0023] By adopting the above solution, the first covering edge isolates the conductor rod from the substrate to avoid contact between the two; the second covering edge isolates the fixing part from the conductor rod to avoid contact between the two, and the insulating sealing pad isolates the conductor rod from the substrate to avoid contact and conduction.

[0024] Furthermore, the mounting portion is welded to the substrate.

[0025] By adopting the above solution, the mounting part is welded on the substrate firmly and reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required to be used in the embodiments or the description of the prior art will be briefly introduced below.

[0027] Figure 1 It is a cross-sectional view of a sealed terminal for a compressor;

[0028] Figure 2 This is a partial enlarged view of the sealed terminal for the compressor;

[0029] Figure 3 is a cross-sectional view of another embodiment of a sealed terminal for a compressor;

[0030] Figure 4 It is a partial enlarged view of another embodiment of a sealed terminal for a compressor.

[0031] The numbers involved in the drawings are as follows: substrate 1, mounting hole 11, conductor rod 2, expansion portion 21, insulating sealing gasket 3, slot 31, first retaining ring 311, second retaining ring 312, groove 32, first covering edge 321, second covering edge 322, fixing portion 4, mounting portion 41, protrusion 42. DETAILED DESCRIPTION

[0032] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0033] like Figure 1-4 As shown, the utility model discloses a compressor sealed terminal, comprising:

[0034] A base plate 1, wherein the base plate 1 is provided with a mounting hole 11 for the conductor rod 2 to pass through;

[0035] A conductor rod 2, the conductor rod 2 is inserted into the mounting hole, and the conductor rod 2 is provided with an expansion portion 21 for limiting the movement thereof, and an insulating sealing gasket 3 is provided at the connection between the expansion portion 21 and the substrate 1, and the insulating sealing gasket 3 isolates the substrate 1 from the conductor rod 2;

[0036] The fixing part 4 is arranged outside the insulating sealing pad 3 and fixes the conductor rod 2 on the substrate 1 .

[0037] The conductor bar 2 penetrates the substrate 1, the expansion part 21 limits the movement of the conductor bar 2, the conductor bar 2 is wrapped with an insulating seal 3 for insulation, and finally the insulating seal 3 is pressed against the substrate 1 through the fixing part 4. Compared with the prior art, the utility model replaces the glass body with the insulating seal 3, and changes the connection mode between the conductor bar 2 and the substrate 1, thereby enhancing the sealing between the conductor bar 2 and the substrate 1, and having a strong ability to resist mechanical shock and thermal shock.

[0038] The diameter of the expansion portion 21 is larger than the diameter of the mounting hole 11 , which facilitates the positioning and fixing of the conductor bar 2 .

[0039] The insulating sealing gasket 3 wraps the mounting hole 11 to prevent the insulating sealing gasket 3 from being separated from the mounting hole 11, thereby increasing the creepage distance between the substrate 1 and the conductor rod 2 and improving the sealing effect.

[0040] The insulating seal 3 has a slot 31 that matches the thickness of the mounting hole 11. The slot 31 has a first retaining ring 311 and a second retaining ring 312. The diameter of the first retaining ring 311 is greater than the diameter of the expansion portion 21, and the diameter of the second retaining ring 312 is greater than the diameter of the fixing portion 4. The first retaining ring 311 isolates the expansion portion 21 from the substrate 1 to prevent the two from contacting; the second retaining ring 312 isolates the fixing portion 4 from the substrate 1 to prevent the two from contacting. The insulating seal 3 isolates the conductor rod 2 from the substrate 1 to prevent contact and conduction.

[0041] The fixing part 4 is a nut, which is threadedly connected to the conductor rod 1, has a simple structure, and is convenient for assembly and disassembly.

[0042] In some embodiments of the present invention, the difference from the above embodiments lies in the insulating sealing pad 3 and the fixing portion 4 .

[0043] The fixing part 4 has a mounting part 41 in contact with the substrate 1 and a protruding part 42 for pressing the insulating sealing gasket 3 . The mounting part 41 is welded to the substrate 1 , and the protruding part 42 presses the insulating sealing gasket 3 to achieve sealing between the substrate 1 and the conductor rod 2 .

[0044] The insulating sealing gasket 3 wraps the expansion portion 21 to prevent the insulating sealing gasket 3 from falling out of the expansion portion 21, thereby increasing the creepage distance between the substrate 1 and the conductor rod 2 and improving the sealing effect.

[0045] The insulating seal pad 3 has a groove 32, a first covering edge 321, and a second covering edge 322. The height of the groove 32 matches the height of the expansion portion 21. The height of the first covering edge 321 is greater than the thickness of the mounting hole 11. The height of the second covering edge 322 is greater than the thickness of the protruding portion 42. The first covering edge 321 isolates the conductor bar 2 from the substrate 1 to prevent the two from contacting; the second covering edge 322 isolates the fixing portion 4 from the conductor bar 2 to prevent the two from contacting. The insulating seal pad 3 isolates the conductor bar 2 from the substrate 1 to prevent contact and conduction.

[0046] For ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the utility model, which all fall within the protection scope of the utility model.

Claims

1. A sealed terminal for a compressor, characterized in that: include: A base plate (1), wherein the base plate (1) is provided with a mounting hole (11) for allowing the conductor rod (2) to pass through; A conductor bar (2), the conductor bar (2) being inserted into the mounting hole, and having an expansion portion (21) on the conductor bar (2) for limiting its movement, an insulating sealing gasket (3) being provided at the connection between the expansion portion (21) and the substrate (1), and the insulating sealing gasket (3) isolating the substrate (1) from the conductor bar (2); A fixing part (4) is arranged on the outside of the insulating sealing pad (3) and fixes the conductor rod (2) on the substrate (1).

2. The sealed terminal for compressor according to claim 1, characterized in that: The diameter of the expansion portion (21) is greater than the diameter of the mounting hole (11).

3. The sealed terminal for compressor according to claim 1, characterized in that: The insulating sealing pad (3) wraps the mounting hole (11).

4. The sealed terminal for a compressor according to claim 3, characterized in that: The insulating sealing gasket (3) has a slot (31) whose thickness matches that of the mounting hole (11); the slot (31) has a first retaining ring (311) and a second retaining ring (312); the diameter of the first retaining ring (311) is greater than the diameter of the expansion portion (21); and the diameter of the second retaining ring (312) is greater than the diameter of the fixing portion (4).

5. The sealed terminal for compressor according to claim 4, characterized in that: The fixing part (4) is a nut, and the fixing part (4) is threadedly connected to the conductor rod (2).

6. The sealed terminal for compressor according to claim 1, characterized in that: The fixing portion (4) comprises a mounting portion (41) in contact with the substrate (1) and a protruding portion (42) for pressing the insulating sealing pad (3).

7. The sealed terminal for a compressor according to claim 6, characterized in that: The insulating sealing pad (3) wraps the expansion portion (21).

8. The sealed terminal for a compressor according to claim 7, characterized in that: The insulating sealing pad (3) comprises a groove (32), a first covering edge (321), and a second covering edge (322); the height of the groove (32) matches the height of the expansion portion (21); the height of the first covering edge (321) is greater than the thickness of the mounting hole (11); and the height of the second covering edge (322) is greater than the thickness of the protruding portion (42).

9. The sealed terminal for a compressor according to claim 8, characterized in that: The mounting portion (41) is welded to the base plate (1).

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