Protective assembly of crane controller

Abstract

The utility model discloses a protection assembly of a crane controller, which comprises a cuboid-shaped fixing seat and is hollow inside, a sealing cover is arranged at the upper end of the fixing seat, fixing lugs which are symmetrical front and back are respectively fixed at the left end and the right end of the fixing seat, and a waterproof platform is fixed at the upper end of the fixing seat. A plurality of water guide blocks fixedly connected with the fixing seat are annularly and uniformly distributed on the outer wall of the waterproof platform, a mounting groove is formed in the upper end of the waterproof platform, a sealing ring is arranged in the mounting groove, an upper sealing groove is formed in the lower end of the waterproof platform, a lower groove and a lower sealing groove are formed in the upper end of the fixing seat, and the lower sealing groove is located on the inner side of the lower groove; the sealing ring extrudes between the waterproof platform and the sealing cover, the contact face of the sealing cover and the waterproof platform is extruded and sealed, meanwhile, the outer sealing ring and the inner sealing ring are located on the outer side of the lower end of the waterproof platform, the joint of the fixing base and the sealing cover is extruded again to form sealing, and three-layer sealing is formed. Rainwater is effectively prevented from entering the fixing base.

Description

Technical Field

[0001] The utility model relates to the technical field of controller protection, in particular to a protection component of a crane controller. Background Art

[0002] A crane refers to a multi-action lifting machine that can vertically lift and horizontally move heavy objects within a certain range, and a controller refers to a main command device that controls the start, speed regulation, braking and reversal of the motor by changing the wiring of the main circuit or control circuit and the resistance value in the circuit in a predetermined sequence. It consists of a program counter, instruction register, instruction decoder, timing generator and operation controller. It is the "decision-making body" that issues commands, that is, it completes the coordination and command of the operations of the entire computer system.

[0003] Since cranes are usually operated outdoors, the controller is installed outdoors. The controller is usually installed horizontally upward or horizontally downward. In rainy weather, due to the loose sealing between the controller casing, rainwater will enter the inside of the controller casing, causing the circuit components of the controller to short-circuit and burn. Utility Model Content

[0004] In view of the above problems, the utility model provides a protective component for a crane controller; the protective component has high sealing performance, effectively prevents rainwater from entering the interior of the device, and plays a role in protecting the electronic devices inside the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective component of a crane controller, comprising a rectangular fixing seat with a hollow interior, a sealing cover being provided at the upper end of the fixing seat, and fixing ears being fixed symmetrically front and back at the left and right ends of the fixing seat respectively, a waterproof platform being fixed at the upper end of the fixing seat, and a plurality of water guide blocks fixedly connected to the fixing seat being evenly distributed along its ring on the outer wall of the waterproof platform, a mounting groove being provided at the upper end of the waterproof platform, a sealing ring being provided in the mounting groove, an upper sealing groove being provided at the lower end of the waterproof platform, a lower groove and a lower sealing groove being provided at the upper end of the fixing seat, the lower sealing groove being located on the inner side of the lower groove, the lower groove and the lower sealing groove being located between the water guide block and the waterproof platform, an inner sealing ring being provided in the lower groove, an outer sealing ring being provided in the lower sealing groove, a mounting post being provided at the center of the lower end of the fixing seat, a connecting hole being provided in the mounting post, and a waterproof ring corresponding to the connecting hole being fixed on the fixing seat.

[0006] Preferably, a plurality of fixing columns are provided inside the fixing seat along its circumference, through holes are opened in the fixing columns, and waterproof rings corresponding to the through holes are respectively provided at the lower ends of the fixing seat.

[0007] Preferably, the water guide block is an isosceles acute triangle with the vertex facing upwards, and the water guide block is integrally formed with the fixing seat.

[0008] Preferably, an upper groove is provided at the lower end of the sealing cover, and the upper groove and the lower groove clamp and fix the inner sealing ring.

[0009] Preferably, the cross-section of the mounting groove is an arc larger than a semicircle, the upper sealing groove and the lower sealing groove are combined to form an arc with a cross-section larger than a semicircle, the sealing ring is clamped in the mounting groove, and the outer sealing ring is clamped in the lower sealing groove and the upper sealing groove.

[0010] Preferably, the cross-section of the waterproof platform is a right-angled trapezoid and the length of the upper base is greater than the length of the lower base, and the material of the waterproof platform is plastic.

[0011] Preferably, a screw is provided between the fixing seat and the sealing cover, the fixing seat is fixedly connected to the sealing cover by the screw passing through the fixing column, and the diameter of the nut on the screw is larger than the outer ring diameter of the waterproof ring.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The sealing ring is squeezed between the waterproof platform and the sealing cover to squeeze and seal the contact surface between the sealing cover and the waterproof platform. At the same time, the outer sealing ring and the inner sealing ring are located on the outside of the lower end of the waterproof platform, and the connection between the fixed seat and the sealing cover is squeezed again to form a seal, forming a three-layer seal to effectively prevent rainwater from entering the interior of the fixed seat.

[0014] 2. By arranging a water guide block at the connection between the fixing seat and the sealing cover, the water guide block is an isosceles acute triangle with the top angle facing upward, which is beneficial for the water guide block to guide rainwater on the outer wall of the device when the device is fixed horizontally downward, so that the rainwater flows along the top angle of the water guide block, preventing the rainwater from flowing along the outer wall of the device and reducing the flow of rainwater to the sealing part of the fixing seat and the sealing cover. By arranging a waterproof ring at the lower end of the fixing seat and the diameter of the nut on the screw is larger than the outer ring diameter of the waterproof ring, rainwater is further prevented from entering the interior of the fixing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is an overall explosion diagram of the utility model;

[0017] Figure 3 This is an overall explosion diagram of the utility model;

[0018] Figure 4 This is a partial explosion enlarged schematic diagram of the utility model;

[0019] Figure 5 It is a partially enlarged schematic diagram of the present invention.

[0020] Explanations in the figure: 1. Fixed seat; 2. Sealing cover; 3. Waterproof platform; 4. Outer sealing ring; 5. Inner sealing ring; 101. Fixed ear; 102. Waterproof ring; 103. Fixed column; 104. Water guide block; 105. Lower groove; 106. Lower sealing groove; 107. Mounting column; 201. Upper groove; 301. Mounting groove; 302. Sealing ring; 303. Upper sealing groove. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] See also Figure 1 and Figure 2 A protective component for a crane controller includes a rectangular fixing base 1 with a hollow interior. A plurality of fixing columns 103 are provided along the circumference of the fixing base 1. Through holes are provided in the fixing columns 103. The inner walls of the fixing columns 103 are provided with threads for connection and fixation with screws. The screws pass through the fixing columns 103 and are fixedly connected to the lower end of the sealing cover 2, engaging with the threads of the screws, thereby ensuring the firmness of the connection between the fixing base 1 and the sealing cover 2 and preventing the fixing base 1 and the sealing cover 2 from becoming loose during installation, causing the sealing cover 2 to detach and affecting the sealing performance of the fixing base 1. The lower ends of the fixing base 1 are respectively provided with waterproof rings 102 corresponding to the through holes. The waterproof rings 102 are respectively provided with the waterproof rings 102 corresponding to the through holes. The ring 102 is in the shape of a truncated cone, which is larger at the top and smaller at the bottom. A through hole is provided in the center of the waterproof ring 102, which is used to engage and fix with a screw. A screw is provided between the fixing seat 1 and the sealing cover 2. The fixing seat 1 is fixedly connected to the sealing cover 2 by passing the screw through the fixing column 103. The diameter of the nut on the screw is larger than the outer ring diameter of the waterproof ring 102, and the nut of the screw is larger than the outer diameter of the waterproof ring 102. When the device is placed horizontally, rainwater will fall on the nut of the screw. Since the diameter of the nut is larger than the diameter of the outer ring of the waterproof ring 102, the rainwater on the nut will drip directly along the edge of the nut, preventing rainwater from flowing along the screw and preventing rainwater from flowing into the interior of the fixing seat 1.

[0023] See also Figure 1 and Figure 2, the upper end of the fixing base 1 is provided with a sealing cover 2, and the lower end of the sealing cover 2 is provided with an upper groove 201, and the upper groove 201 and the lower groove 105 clamp the inner sealing ring 5, and the left and right ends of the fixing base 1 are respectively fixed with front and rear symmetrical fixing ears 101, and the center of the fixing ear 101 is provided with a through hole to facilitate fixing the device, and the fixing ear 101 and the fixing base 1 are integrally formed by the injection molding process, which ensures the firmness of the connection between the fixing base 1 and the fixing ear 101 and prevents the occurrence of lines at the connection between the fixing ear 101 and the fixing base 1, resulting in a loose connection between the fixing base 1 and the fixing ear 101, and a waterproof platform 3 is fixed to the upper end of the fixing base 1. The cross-section of the waterproof platform 3 is a right-angled trapezoid and the upper bottom length is greater than the lower bottom length. The material of the waterproof platform 3 is plastic, and the waterproof platform 3 is made of plastic. When the sealing cover 2 is plugged in When it is on the fixing seat 1, the waterproof platform 3 is first squeezed to deform it, and the sealing cover 2 is snapped onto the waterproof platform 3. The outer wall of the waterproof platform 3 is evenly distributed along its ring with multiple water guide blocks 104 fixedly connected to the fixing seat 1. The water guide blocks 104 are isosceles acute triangles with the vertex facing upward. The water guide blocks 104 are integrally formed with the fixing seat 1. The water guide blocks 104 are isosceles acute triangles with the vertex facing upward, which is beneficial for the device to be fixed horizontally downward. The water guide blocks 104 guide rainwater on the outer wall of the device, so that the rainwater flows along the vertex of the water guide blocks 104, preventing rainwater from flowing along the outer wall of the device and reducing rainwater from flowing to the sealing part of the fixing seat 1 and the sealing cover 2. By arranging a waterproof ring 102 at the lower end of the fixing seat 1 and the diameter of the nut on the screw is larger than the outer ring diameter of the waterproof ring 102, rainwater is further prevented from entering the interior of the fixing seat 1.

[0024] See also Figure 3 、 Figure 4 and Figure 5The upper end of the waterproof platform 3 is provided with a mounting groove 301, and the cross section of the mounting groove 301 is an arc larger than a semicircle. A sealing ring 302 is provided in the mounting groove 301. The cross section of the mounting groove 301 is an arc larger than a semicircle, and the cross section of the sealing ring 302 is circular, which is conducive to plugging the sealing ring 302 into the mounting groove 301 for clamping and fixing. At the same time, part of the sealing ring 302 will be exposed from the mounting groove 301. When the sealing cover 2 is fixed on the fixing seat 1, the sealing cover 2 will compress the sealing ring 302, so that the connection between the sealing cover 2 and the waterproof platform 3 is sealed to prevent moisture from entering the interior of the fixing seat 1. The lower end of the waterproof platform 3 is provided with an upper sealing ring Sealing groove 303, the upper end of the fixing base 1 is provided with a lower groove 105 and a lower sealing groove 106, the upper sealing groove 303 and the lower sealing groove 106 are combined to form an arc with a cross section larger than a semicircle, the cross section formed by the upper sealing groove 303 and the lower sealing groove 106 is an arc shape larger than a semicircle, and the cross section of the outer sealing ring 4 is circular, which is conducive to inserting the outer sealing ring 4 into the upper sealing groove 303 and the lower sealing groove 106 for clamping and fixing. At the same time, part of the outer sealing ring 4 will expose the upper sealing groove 303 and the lower sealing groove 106. When the sealing cover 2 is fixed on the fixing base 1, the sealing cover 2 will compress the outer sealing ring 4, so that the connection between the sealing cover 2 and the waterproof platform 3 is again Form a seal to prevent moisture from entering the interior of the fixing base 1, the lower sealing groove 106 is located on the inner side of the lower groove 105, the lower groove 105 and the lower sealing groove 106 are located between the water guide block 104 and the waterproof platform 3, the lower groove 105 is provided with an inner sealing ring 5, the connection between the fixing base 1 and the sealing cover 2 is sealed by the inner sealing ring 5 to prevent moisture from entering the interior of the fixing base 1, and when the fixing base 1 is removed, the upper groove 201 and the lower groove 105 will form a guide groove to guide the rainwater entering the lower groove 105 to prevent rainwater from entering the interior of the fixing base 1, the lower sealing groove 106 is provided with an outer sealing ring 4, the fixing A mounting post 107 is provided at the center of the lower end of the seat 1. A connecting hole is provided in the mounting post 107 and a waterproof ring 102 corresponding to the connecting hole is fixed on the fixed seat 1. The sealing ring 302 is clamped in the mounting groove 301, and the outer sealing ring 4 is clamped in the lower sealing groove 106 and the upper sealing groove 303. The sealing ring 302 is squeezed between the waterproof platform 3 and the sealing cover 2 to squeeze and seal the contact surface between the sealing cover 2 and the waterproof platform 3. At the same time, the outer sealing ring 4 and the inner sealing ring 5 are located on the outside of the lower end of the waterproof platform 3, and the connection between the fixed seat 1 and the sealing cover 2 is squeezed again to form a seal, forming a three-layer seal, which effectively prevents rainwater from entering the interior of the fixed seat 1.

[0025] When using this utility model:

[0026] First, install and fix the controller inside the fixing base 1, clamp the sealing ring 302 into the installation groove 301, clamp the outer sealing ring 4 into the upper sealing groove 303 and the lower sealing groove 106, and place the lower groove 105 into the lower groove 105;

[0027] Then, cover the sealing cover 2 on the fixing base 1 so that the upper groove 201 corresponds to the lower groove 105, so that the fixing base 1 and the sealing cover 2 fit together;

[0028] Next, screws are passed through the fixing columns 103 to fix the fixing base 1 and the sealing cover 2 together and squeeze them against each other. The sealing ring 302 is squeezed between the waterproof platform 3 and the sealing cover 2 to squeeze and seal the contact surface between the sealing cover 2 and the waterproof platform 3. At the same time, the outer sealing ring 4 and the inner sealing ring 5 are located on the outside of the lower end of the waterproof platform 3, and the connection between the fixing base 1 and the sealing cover 2 is squeezed again to form a seal, forming a three-layer seal to prevent rainwater from entering the interior of the fixing base 1.

[0029] Finally, the device is fixed on a crane with bolts through the fixing ears 101 so that the device faces upward or downward horizontally.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective component for a crane controller, characterized in that: The invention comprises a rectangular fixed seat (1) which is hollow inside, a sealing cover (2) being provided at the upper end of the fixed seat (1), front and rear symmetrical fixing ears (101) being fixed at the left and right ends of the fixed seat (1), a waterproof platform (3) being fixed at the upper end of the fixed seat (1), a plurality of water guide blocks (104) being uniformly distributed along the outer wall of the waterproof platform (3) in an annular shape and fixedly connected to the fixed seat (1), a mounting groove (301) being provided at the upper end of the waterproof platform (3), a sealing ring (302) being provided in the mounting groove (301), an upper sealing groove (303) being provided at the lower end of the waterproof platform (3), and the sealing ring (302) being provided in the inner part of the waterproof platform (3). A lower groove (105) and a lower sealing groove (106) are provided at the upper end of the fixing seat (1), the lower sealing groove (106) is located on the inner side of the lower groove (105), the lower groove (105) and the lower sealing groove (106) are located between the water guide block (104) and the waterproof platform (3), an inner sealing ring (5) is provided in the lower groove (105), an outer sealing ring (4) is provided in the lower sealing groove (106), a mounting column (107) is provided at the center of the lower end of the fixing seat (1), a connecting hole is provided in the mounting column (107), and a waterproof ring (102) corresponding to the connecting hole is fixed on the fixing seat (1).

2. A protective assembly for a crane controller according to claim 1, characterized in that: The interior of the fixing seat (1) is provided with a plurality of fixing columns (103) along its circumference, through holes are provided in the fixing columns (103), and waterproof rings (102) corresponding to the through holes are respectively provided at the lower ends of the fixing seat (1).

3. The protective assembly of a crane controller according to claim 1, characterized in that: The water guide block (104) is an isosceles acute triangle with its vertex facing upwards; the water guide block (104) and the fixing seat (1) are integrally formed.

4. The protective assembly of a crane controller according to claim 1, characterized in that: An upper groove (201) is provided at the lower end of the sealing cover (2), and the upper groove (201) and the lower groove (105) clamp and fix the inner sealing ring (5).

5. The protective assembly of a crane controller according to claim 1, characterized in that: The cross section of the installation groove (301) is an arc larger than a semicircle, the upper sealing groove (303) and the lower sealing groove (106) are combined to form an arc with a cross section larger than a semicircle, the sealing ring (302) is clamped in the installation groove (301), and the outer sealing ring (4) is clamped in the lower sealing groove (106) and the upper sealing groove (303).

6. The protective assembly of a crane controller according to claim 1, characterized in that: The cross section of the waterproof platform (3) is a right-angled trapezoid, and the length of the upper base is greater than the length of the lower base. The material of the waterproof platform (3) is plastic.

7. The protective assembly of a crane controller according to claim 1, characterized in that: A screw is provided between the fixing seat (1) and the sealing cover (2), and the fixing seat (1) is fixedly connected to the sealing cover (2) by passing the screw through the fixing column (103), and the diameter of the nut on the screw is larger than the outer ring diameter of the waterproof ring (102).

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