Controller with good sealing performance

Abstract

The utility model provides a controller with good sealing performance, and belongs to the technical field of controllers. The problem that an existing controller is poor in leakproofness is solved. The controller with the good sealing performance comprises a controller shell, an electronic component is arranged in the controller shell, a sealing cover plate is fixedly installed at the upper end of the controller shell, fixing parts are arranged at the left end and the right end of the controller shell correspondingly, sealing strips are arranged at the side end of the sealing cover plate, and positioning transverse grooves for positioning of the sealing strips are formed in the fixing parts. A positioning assembly used for positioning the sealing strip is arranged on the fixing part and comprises a positioning rod, a sliding part, a pull rod and a reset spring, a mounting groove is formed in the fixing part, a positioning hole is formed in the sealing strip, a sealing ring is fixedly arranged at the lower end of the sealing cover plate, and a sealing groove is formed in the position, opposite to the sealing ring, of the sealing cover plate. The sealing structure has the advantage of being good in sealing performance.

Description

Technical Field

[0001] The utility model belongs to the technical field of controllers and relates to a controller, in particular to a controller with good sealing performance. Background Art

[0002] The controller is used to send control signals to the equipment. Electronic components are integrated in the controller. Therefore, the airtightness of the controller needs to be ensured to prevent water vapor from entering the controller and causing damage to the electronic components in the controller. Summary of the invention

[0003] The purpose of the utility model is to provide a controller with reasonable design, simple structure and good sealing performance in view of the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a controller with good sealing performance, comprising a controller housing, wherein electronic components are arranged in the controller housing, characterized in that the controller housing is arranged in a concave structure, a sealing cover is fixedly installed on the upper end of the control housing, and a fixing part for installing the sealing cover is arranged on both the left and right ends of the controller housing, a sealing strip positioned with the fixing part is arranged on the side end of the sealing cover, a positioning transverse groove for positioning the sealing strip is provided on the fixing part, a positioning assembly for positioning the sealing strip is provided on the fixing part, the positioning assembly comprises a positioning rod, a sliding part, a pull rod and a reset spring, an installation groove for installing the positioning assembly is provided in the fixing part, the positioning rod can slide left and right in the installation groove of the fixing part, a positioning hole matched with the positioning rod is provided on the sealing strip, and the positioning rod is matched with the positioning hole to seal and fix the positioning strip on the controller housing, a sealing ring is fixedly arranged on the lower end of the sealing cover, and a sealing groove for matching with the sealing ring is provided on the sealing cover at a position relative to the sealing ring.

[0005] In the above-mentioned controller with good sealing performance, one end of the positioning rod extends into the positioning transverse groove and is used to match the positioning hole, the other end of the positioning rod extends out of the fixed part and is connected to the pull rod, the sliding part is arranged on the positioning rod, and the sliding part can slide back and forth in the installation groove, and the reset spring is arranged between the sliding part and the fixed part.

[0006] In the above-mentioned controller with good sealing performance, there are two positioning components and they are respectively arranged at the left and right ends of the fixing part, and the two positioning components are respectively used to fix the left and right ends of the sealing cover plate.

[0007] In the above-mentioned controller with good sealing performance, one end of the sealing strip extends into the positioning transverse groove and is fixed by the positioning assembly.

[0008] Compared with the prior art, the controller with good sealing performance has enhanced the sealing effect inside the controller housing through the two sealing structures of the sealing strip and the positioning transverse groove and the sealing ring and the sealing groove, thereby improving the service life of the controller, and positioning the sealing cover plate through the positioning assembly, making it easier for maintenance personnel to maintain the internal parts of the controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a cross-sectional structural schematic diagram of the utility model.

[0010] Figure 2 It is a partially enlarged structural schematic diagram of the utility model.

[0011] In the figure, 1. controller housing; 2. electronic components; 3. sealing cover; 4. fixing part; 5. sealing strip; 6. positioning groove; 7. positioning assembly; 8. positioning rod; 9. sliding part; 10. pull rod; 11. reset spring; 12. positioning hole; 13. sealing ring; 14. sealing groove. DETAILED DESCRIPTION

[0012] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0013] like Figure 1 , Figure 2As shown, the controller with good sealing performance comprises a controller housing 1, wherein the controller housing 1 is provided with electronic components 2, the controller housing 1 is arranged in a concave structure, a sealing cover plate 3 is fixedly installed on the upper end of the control housing, and both left and right ends of the controller housing 1 are provided with fixing parts 4 for installing the sealing cover plate 3, and a sealing strip 5 positioned with the fixing part 4 is arranged on the side end of the sealing cover plate 3, the sealing strip 5 and the sealing cover plate 3 are integrally formed, and the sealing strip 5 extends into the positioning transverse groove 6 to enhance the sealing performance inside the controller housing 1, and the fixing part 4 is provided with a positioning transverse groove 6 for positioning the sealing strip 5, and the fixing part 4 is provided with a positioning assembly 7 for positioning the sealing strip 5, and the positioning assembly 7 comprises a positioning rod 8, The sliding part 9, the pulling rod 10 and the reset spring 11, the fixing part 4 is provided with an installation groove for installing the positioning component 7, the positioning rod 8 can slide left and right in the installation groove of the fixing part 4, the sealing strip 5 is provided with a positioning hole 12 which matches with the positioning rod 8, and the positioning rod 8 matches with the positioning hole 12 so that the positioning strip is sealed and fixed to the controller housing 1, the lower end of the sealing cover plate 3 is fixedly provided with a sealing ring 13, the sealing ring 13 and the sealing cover plate 3 are integrally formed, and the sealing ring 13 extends into the sealing groove 14 to enhance the sealing inside the controller housing 1, the sealing ring 13 and the sealing groove 14 are arranged as a square structure as a whole, and a sealing groove 14 which matches with the sealing ring 13 is provided on the sealing cover plate 3 and at a position relative to the sealing ring 13.

[0014] Preferably, one end of the positioning rod 8 extends into the positioning transverse groove 6 and is used to match the positioning hole 12, and the other end of the positioning rod 8 extends out of the fixed part 4 and is connected to the pull rod 10. The sliding part 9 is arranged on the positioning rod 8, and the sliding part 9 can slide back and forth in the installation groove, and the reset spring 11 is arranged between the sliding part 9 and the fixed part.

[0015] Preferably, there are two positioning components 7 , which are respectively disposed at the left and right ends of the fixing portion 4 , and the two positioning components 7 are respectively used to fix the left and right ends of the sealing cover plate 3 .

[0016] Preferably, one end of the sealing strip 5 extends into the positioning transverse groove 6 and is fixed by the positioning assembly 7. The positioning rod 8 in the positioning assembly 7 can slide forward and backward in the installation groove through the action of the return spring 11. When the sealing cover plate 3 is positioned on the controller housing 1, the positioning rod 8 is connected with the positioning hole 12 of the sealing strip 5 of the sealing cover plate 3 to fix it. When the sealing cover plate 3 needs to be disassembled, the pull rod 10 extending out of the fixing part 4 is pulled to make the end of the positioning rod 8 extending out of the installation groove retract into the installation groove, so that the sealing cover can be released.

[0017] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0018] Although the terms such as controller housing 1, electronic components 2, sealing cover 3, fixing part 4, sealing strip 5, positioning transverse groove 6, positioning assembly 7, positioning rod 8, sliding part 9, pull rod 10, reset spring 11, positioning hole 12, sealing ring 13, sealing groove 14 are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A controller with good sealing performance, comprising a controller housing (1), wherein electronic components (2) are arranged in the controller housing (1), characterized in that: The controller housing (1) is arranged in a concave structure, a sealing cover plate (3) is fixedly installed on the upper end of the controller housing, and a fixing portion (4) for installing the sealing cover plate (3) is arranged on both the left and right ends of the controller housing (1), a sealing strip (5) is arranged on the side end of the sealing cover plate (3) and is positioned with the fixing portion (4), a positioning transverse groove (6) is provided on the fixing portion (4) for positioning the sealing strip (5), and a positioning component (7) is arranged on the fixing portion (4) for positioning the sealing strip (5), and the positioning component (7) includes a positioning rod (8), a sliding portion (9), a pull rod (10), and a positioning member (11). ) and a return spring (11), the fixing portion (4) is provided with an installation groove for installing the positioning component (7), the positioning rod (8) can slide left and right in the installation groove of the fixing portion (4), the sealing strip (5) is provided with a positioning hole (12) that matches the positioning rod (8), and the positioning rod (8) matches the positioning hole (12) so that the positioning strip is sealed and fixed to the controller housing (1), the lower end of the sealing cover plate (3) is fixedly provided with a sealing ring (13), and the sealing cover plate (3) is provided with a sealing groove (14) that matches the sealing ring (13) at a position relative to the sealing ring (13).

2. A controller with good sealing performance according to claim 1, characterized in that: One end of the positioning rod (8) extends into the positioning transverse groove (6) and is used to match the positioning hole (12), and the other end of the positioning rod (8) extends out of the fixing part (4) and is connected to the pull rod (10). The sliding part (9) is arranged on the positioning rod (8), and the sliding part (9) can slide back and forth in the installation groove. The return spring (11) is arranged between the sliding part (9) and the fixing part.

3. A controller with good sealing performance according to claim 1, characterized in that: There are two positioning assemblies (7) which are respectively arranged at the left and right ends of the fixing portion (4); the two positioning assemblies (7) are respectively used to fix the left and right ends of the sealing cover plate (3).

4. A controller with good sealing performance according to claim 1, characterized in that: One end of the sealing strip (5) extends into the positioning transverse groove (6) and is fixed by the positioning assembly (7).

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