CN220342736U - Shielding case for hydraulic control combination - Google Patents

Abstract

The application discloses hydraulic control is shielded enclosure for combination, it includes: the box, front shroud, back shroud and top apron, both ends and top all have seted up the opening around the box to the limiting groove has been seted up around the open-ended outside to the outer wall of box, and the inside of limiting groove is provided with the sealing strip, and front shroud, back shroud and top apron are provided with first spacing frame, second spacing frame, third spacing frame respectively with the position department that the limiting groove corresponds. The utility model discloses a shielding machine case can seal the gap between front shroud, back shroud and top apron and the box, has avoided because of the trouble that the gap between front shroud, back shroud and top apron and the machine case was great and lead to electromagnetic radiation to directly reveal from the gap to appear, has improved the electromagnetic shield effect of machine case, can also carry out dual spacing to front shroud, back shroud to top apron, has guaranteed the steadiness of front shroud, back shroud and top apron.

Description

Shielding case for hydraulic control combination

Technical Field

The utility model relates to the technical field of electromagnetic shielding cases, in particular to a shielding case for hydraulic control combination.

Background

The hydraulic control combination is a combination of a group of elements and equipment which realize control functions through a hydraulic system, is a hydraulic control system formed by combining a panel, a display, a connector, a controller, a circuit board, a chassis, a power unit, a control valve, a hydraulic actuator, a hydraulic oil tank and the like, and is used for transmitting and controlling energy by utilizing the property and pressure of liquid and is commonly used in control systems in the fields of engineering machinery, aerospace, automobiles, machine tools and the like;

however, in order to avoid the influence of peripheral equipment, the electromagnetic compatibility requirement of the hydraulic control combination system is higher, however, the display in the existing hydraulic control combination is directly embedded on the front panel for use, the shielding treatment is not carried out on the display, and the contact gaps between the front panel, the rear panel, the upper cover and the chassis of the chassis are larger, so that electromagnetic radiation leakage is easy to be caused, and the requirement of a capacitance compatibility test cannot be met. Accordingly, one skilled in the art provides a shielded enclosure for hydraulic control assembly to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a shielding case for hydraulic control combination, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a shielded enclosure for hydraulic control combining, comprising: the box, the front shroud, back shroud and top apron, the opening has all been seted up at both ends around the box and the top, and the limiting groove has been seted up around the outside at the opening to the outer wall of box, the inside in limiting groove is provided with the sealing strip, the front shroud, back shroud and top apron correspond position department with the limiting groove is provided with first spacing frame respectively, the spacing frame of second, the spacing frame of third, first spacing frame, second spacing frame and third are pegged graft respectively in the limiting groove at both ends and top around the box and sticiss the outer wall at the sealing strip, and the inboard of first spacing frame, the spacing frame of second and third is provided with first shield plate respectively, the second shield plate, the third shield plate is pegged graft respectively in the opening at both ends and top around the box, and, the outer wall of first shield plate, the second shield plate, the outer wall of third shield plate is provided with first sealing pad respectively, second sealing pad and third sealing pad, first sealing pad, second sealing pad and third sealing pad are all hugged closely at the inner wall at the front and back shroud of the top of box respectively, the boss plate is provided with in both sides respectively.

Preferably, the middle position department of first shield plate has seted up the mounting groove that is used for installing the display screen, and the outer wall mounting groove of front shroud corresponds the position department and is provided with visual window, and visual window covers the notch department at the mounting groove, and visual window's material is shielding glass.

Preferably, the inner wall of box all is provided with spacing journal stirrup with the position department that first shield plate, second shield plate, third shield plate correspond, and first shield plate, second shield plate and third shield plate extend to three open-ended inside respectively and the crimping is on spacing journal stirrup.

Preferably, grooves are formed in two sides of the top cover plate, and the first convex plate and the second convex plate are inserted into the grooves respectively.

Preferably, the sealing strips, the first sealing gasket, the second sealing gasket and the third sealing gasket are all made of shielding rubber strips.

Preferably, four corners of the front cover plate, the rear cover plate and the top cover plate are respectively provided with fastening bolts, and the fastening bolts penetrate through the front cover plate, the rear cover plate and the top cover plate respectively and are arranged in the box body.

Preferably, the first convex plate and the second convex plate are respectively provided with a limit bolt at one end far away from the top cover plate, and the limit bolts respectively penetrate through the first convex plate and the second convex plate and are arranged in the top cover plate.

Compared with the prior art, the utility model has the advantages that:

through setting up limit frame and shield plate, when assembling the machine case, can install the front shroud at the box front end at first, let first limit frame peg graft in the limit groove and compress closely the strip of paper used for sealing, and let first shield plate extend into the box from the opening part, seal the gap between first shield plate and the box by first sealing pad, install the back shroud at the box back, let second limit frame peg graft in the limit groove and compress closely the strip of paper used for sealing, and let second shield plate extend into the box from the opening part, seal the gap between second shield plate and the box by second sealing pad, finally, install the top apron at the box top, let third limit frame peg graft in the limit groove and compress closely the strip of paper used for sealing, and let third shield plate extend into the box from the opening part, seal the gap between third shield plate and the box by third sealing pad, can seal the gap between front shroud, back shroud and top shroud and the box, the electromagnetic radiation of the gap between front shroud, back shroud and top shroud and the gap is also improved and the interior of the machine case is difficult and the case is prevented from directly entering the interior of the machine case from the gap, the strong electromagnetic radiation is avoided when the same as the case has improved the inside has realized the sealing effect that the electromagnetic radiation is taken place; and when fixing the top apron, the top apron passes through the cooperation block of recess and first flange, second flange earlier at the top of front shroud, back shroud, and rethread stop bolt fixes first flange, second flange in the both sides of top apron, accomplishes the installation of top apron, can let the top apron compress tightly at the top of front shroud, back shroud to carry out spacingly by front shroud, back shroud to the both sides of top apron, avoided leading to front shroud, back shroud and top apron to take place to rock and the circumstances emergence of producing the gap between the box because of fastening bolt is not hard up, guaranteed the steadiness of front shroud, back shroud and top apron.

Through set up the visual window on the front shroud, can install the display screen in the mounting groove on first shield plate, by shielding glass's visual window protection in the outside of display screen, avoided exposing the condition emergence that produces electromagnetic radiation influence peripheral equipment in the air because of the display, improved the electromagnetic shield effect of quick-witted case, also avoided receiving the trouble appearance that external collision damaged on the quick-witted case because of the display is directly inlayed and established, realized the protection to the display screen.

Drawings

Fig. 1 is a schematic structural diagram of a shielding case according to an embodiment of the utility model;

FIG. 2 is a schematic diagram illustrating a disassembly of a shielded enclosure according to an embodiment of the utility model;

FIG. 3 is a schematic perspective view of a front cover plate according to an embodiment of the utility model;

fig. 4 is a schematic perspective view of a top cover plate according to an embodiment of the utility model.

In the figure: 1. a case; 101. an opening; 102. a limit groove; 11. a sealing strip; 12. a limit support lug; 2. a front cover plate; 201. a mounting groove; 21. a first convex plate; 22. a first limit frame; 23. a first shielding plate; 231. a first gasket; 24. a visual window; 3. a back cover plate; 31. a second convex plate; 32. a second limit frame; 33. a second shielding plate; 331. a second gasket; 4. a top cover plate; 401. a groove; 41. a third limit frame; 42. a third shielding plate; 421. a third gasket; 5. a fastening bolt; 6. and a limit bolt.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

As shown in fig. 1, 2, 3 and 4, openings 101 are formed at the front and rear ends and the top of the box body 1, a limit groove 102 is formed around the outside of the opening 101 on the outer wall of the box body 1, sealing strips 11 are arranged in the limit groove 102, a first limit frame 22, a second limit frame 32 and a third limit frame 41 are respectively arranged at positions of the front cover plate 2, the rear cover plate 3 and the top cover plate 4 corresponding to the limit groove 102, the first limit frame 22, the second limit frame 32 and the third limit frame 41 are respectively inserted into the limit grooves 102 at the front and rear ends and the top of the box body 1 and are tightly pressed on the outer wall of the sealing strips 11, a first shielding plate 23, a second shielding plate 33 and a third shielding plate 42 are respectively arranged at the inner sides of the first limit frame 22, the second limit frame 32 and the third limit frame 41, the inner wall of the box 1 and the positions of the first shielding plate 23, the second shielding plate 33 and the third shielding plate 42 corresponding to each other are respectively provided with a limiting support lug 12, the first shielding plate 23, the second shielding plate 33 and the third shielding plate 42 respectively extend to the inside of the opening 101 and are in compression joint with the limiting support lugs 12, the outer walls of the first shielding plate 23, the second shielding plate 33 and the third shielding plate 42 are respectively provided with a first sealing gasket 231, a second sealing gasket 331 and a third sealing gasket 421, the first sealing gasket 231, the second sealing gasket 331 and the third sealing gasket 421 are respectively clung to the inner wall of the box 1, and the sealing strips 11, the first sealing gasket 231, the second sealing gasket 331 and the third sealing gasket 421 are made of shielding rubber strips.

In one embodiment, when the case is assembled, the front cover plate 2 is firstly installed at the front end of the case 1, the second sealing gasket 331 seals the gap between the second shielding plate 33 and the case 1 by plugging the first limiting frame 22 into the limiting groove 102, the first shielding plate 23 extends into the case 1 from the opening 101, the first sealing gasket 231 seals the gap between the first shielding plate 23 and the case 1, the back cover plate 3 is installed at the back of the case 1, the second limiting frame 32 is plugged into the limiting groove 102 to seal the gap 11, the second shielding plate 33 extends into the case 1 from the opening 101, the second sealing gasket 331 seals the gap between the second shielding plate 33 and the case 1, the top cover plate 4 is finally installed at the top of the case 1, the third limiting frame 41 is plugged into the limiting groove 102 to seal 11, the third shielding plate 42 extends into the case 1 from the opening 101, the third sealing gasket 421 seals the gap between the third shielding plate 42 and the case 1, the back cover plate 2 can seal the gap between the front cover plate 2, the back cover plate 2 and the sealing gasket 421 and the case 1, the sealing gasket 421 can seal the gap between the sealing gasket 1 and the sealing gasket 1, the sealing gasket 331 and the top cover plate 1 is prevented from being corroded by the electromagnetic sealing gasket 1, the sealing gasket 331 is prevented from leaking the gap between the sealing gasket 1 and the top cover plate 1 and the case 1, and the sealing gasket 1 is prevented from sealing the gap between the sealing gasket 1 and the sealing gasket 1 is prevented from sealing the gap from sealing gasket 1, the third sealing pad 421 can also play a role in electromagnetic shielding, so that the electromagnetic shielding effect of the chassis is further improved.

In one embodiment, when the front cover plate 2, the rear cover plate 3 and the top cover plate 4 are mounted, the first shielding plate 23, the second shielding plate 33 and the third shielding plate 42 can be limited by the limiting lugs 12, the first sealing gasket 231, the second sealing gasket 331 and the third sealing gasket 421 can be pressed on the limiting lugs 12 by the first sealing gasket 231, the second sealing gasket 331 and the third sealing gasket 421, and gaps among the front cover plate 2, the rear cover plate 3 and the top cover plate 4 and the limiting lugs 12 are sealed by the first sealing gasket 231, the second sealing gasket 331 and the third sealing gasket 421, so that the tightness among the front cover plate 2, the rear cover plate 3 and the top cover plate 4 and the chassis is improved, and the thicknesses of the front cover plate 2, the rear cover plate 3 and the top cover plate 4 can be increased by the first shielding plate 23, the second shielding plate 33 and the third shielding plate 42, so that the impact resistance of the front cover plate 2, the rear cover plate 3 and the top cover plate 4 is improved.

As shown in fig. 1 and 2, the top of the front cover plate 2 and the rear cover plate 3 are respectively provided with a first convex plate 21 and a second convex plate 31, both sides of the top cover plate 4 are respectively provided with grooves 401, the first convex plate 21 and the second convex plate 31 are respectively inserted into the two grooves 401, four corners of the front cover plate 2, the rear cover plate 3 and the top cover plate 4 are respectively provided with fastening bolts 5, the fastening bolts 5 respectively penetrate through the front cover plate 2, the rear cover plate 3 and the top cover plate 4 and are arranged in the box body 1, one ends, far away from the top cover plate 4, of the first convex plate 21 and the second convex plate 31 are respectively provided with limit bolts 6, and the limit bolts 6 respectively penetrate through the first convex plate 21 and the second convex plate 31 and are arranged in the top cover plate 4.

In one embodiment, when the front cover plate 2, the rear cover plate 3 and the top cover plate 4 are installed, the top cover plate 4 is clamped at the tops of the front cover plate 2 and the rear cover plate 3 through the matching of the grooves 401 and the first convex plates 21 and the second convex plates 31, four corners of the front cover plate 2, the rear cover plate 3 and the top cover plate 4 are installed on the box body 1 through the fastening bolts 5, finally, the first convex plates 21 and the second convex plates 31 are fixed at two sides of the top cover plate 4 through the limiting bolts 6, the assembly of the machine box is completed, the top cover plate 4 can be pressed at the tops of the front cover plate 2 and the rear cover plate 3, and the two sides of the top cover plate 4 are limited by the front cover plate 2 and the rear cover plate 3, so that the situation that gaps are generated between the front cover plate 2, the rear cover plate 3 and the top cover plate 4 and the box body 1 due to looseness of the fastening bolts 5 is avoided, and the stability of the front cover plate 2, the rear cover plate 3 and the top cover plate 4 is ensured.

As shown in fig. 1, 2 and 3, a mounting groove 201 for mounting a display screen is formed in the middle position of the first shielding plate 23, a visual window 24 is formed in the position corresponding to the outer wall mounting groove 201 of the front cover plate 2, the visual window 24 covers the notch of the mounting groove 201, and the visual window 24 is made of shielding glass.

In one embodiment, when the display screen is installed, the display screen can be installed in the installation groove 201, the display screen is protected by the visual window 24 made of shielding glass, the display screen can be embedded in the case, the situation that the peripheral equipment is affected by electromagnetic radiation generated by exposing the display in the air is avoided, the electromagnetic shielding effect of the case is improved, meanwhile, the trouble that the display is damaged due to external collision on the case is also avoided, and the display screen is protected.

The working principle of the utility model is as follows: when the chassis is assembled, the front cover plate 2 is firstly arranged at the front end of the chassis 1, the first limiting frame 22 is inserted into the limiting groove 102 to tightly press the seal 11, the first shielding plate 23 extends into the chassis 1 from the opening 101, the first sealing gasket 231 seals the gap between the first shielding plate 23 and the chassis 1, the rear cover plate 3 is arranged at the back of the chassis 1, the second limiting frame 32 is inserted into the limiting groove 102 to tightly press the seal 11, the second shielding plate 33 extends into the chassis 1 from the opening 101, the second sealing gasket 331 seals the gap between the second shielding plate 33 and the chassis 1, the top cover plate 4 is arranged at the top of the chassis 1, the third limiting frame 41 is inserted into the limiting groove 102 to tightly press the seal 11, the third shielding plate 42 extends into the chassis 1 from the opening 101, the third sealing gasket 421 seals the gap between the third shielding plate 42 and the case 1, the front cover plate 2, the rear cover plate 3 and the top cover plate 4 are fixed through the fastening bolts 5, finally, the first convex plate 21 and the second convex plate 31 are fixed on two sides of the top cover plate 4 through the limit bolts 6, the assembly of the case is completed, the gaps between the front cover plate 2, the rear cover plate 3 and the top cover plate 4 and the case 1 can be sealed, the trouble that electromagnetic radiation leaks directly from the gap due to the fact that the gaps between the front cover plate 2, the rear cover plate 3 and the top cover plate 4 and the case are large is avoided, the electromagnetic shielding effect of the case is improved, meanwhile, dust and water are prevented from entering the case from the gap to erode internal elements of the case, the protection of the internal elements of the case is realized, the sealing performance is strong, and the top cover plate 4 can be pressed tightly against the front cover plate 2, the top of back shroud 3 to carry out spacingly by front shroud 2, back shroud 3 to the both sides of top apron 4, avoided leading to front shroud 2, back shroud 3 and top apron 4 to take place to rock the condition emergence that produces the gap between and box 1 because of fastening bolt 5, guaranteed the steadiness of front shroud 2, back shroud 3 and top apron 4, moreover, can also protect the display screen through shielding glass's visual window 24, avoided exposing the condition emergence that produces electromagnetic radiation and influence peripheral equipment in the air because of the display, further improved the electromagnetic shielding effect of quick-witted case.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A shielded enclosure for hydraulic control combining, comprising: the box body (1), the front cover plate (2), the back cover plate (3) and the top cover plate (4), characterized in that, opening (101) are all offered at both ends around and the top of box body (1), and the outer wall of box body (1) encircles spacing groove (102) have been offered in the outside of opening (101), the inside of spacing groove (102) is provided with sealing strip (11), the position department that front cover plate (2), back cover plate (3) and top cover plate (4) and spacing groove (102) correspond is provided with first spacing frame (22), second spacing frame (32), third spacing frame (41) respectively, first spacing frame (22), second spacing frame (32) and third spacing frame (41) peg graft respectively in spacing groove (102) at both ends around box body (1) and top and in the outer wall of sealing strip (11), just first spacing frame (22), second spacing frame (32) and third spacing frame (41) inboard are provided with first shielding plate (23), second shielding plate (33) and third shielding plate (42) in the top of box body (1) respectively, moreover, the outer walls of the first shielding plate (23), the second shielding plate (33) and the third shielding plate (42) are respectively provided with a first sealing gasket (231), a second sealing gasket (331) and a third sealing gasket (421), the first sealing gasket (231), the second sealing gasket (331) and the third sealing gasket (421) are all clung to the inner wall of the box body (1), the tops of the front cover plate (2) and the rear cover plate (3) are respectively provided with a first convex plate (21) and a second convex plate (31), and the first convex plate (21) and the second convex plate (31) are respectively spliced on two sides of the top cover plate (4).

2. The shielding case for hydraulic control combination according to claim 1, wherein an installation groove (201) for installing a display screen is formed in the middle position of the first shielding plate (23), a visible window (24) is formed in the outer wall of the front cover plate (2) at a position corresponding to the installation groove (201), the visible window (24) covers the notch of the installation groove (201), and shielding glass is used as a material of the visible window (24).

3. The shielding case for hydraulic control combination according to claim 1, wherein the positions of the inner wall of the case body (1) corresponding to the first shielding plate (23), the second shielding plate (33) and the third shielding plate (42) are respectively provided with a limiting support lug (12), and the first shielding plate (23), the second shielding plate (33) and the third shielding plate (42) respectively extend into the three (101) and are in pressure connection with the limiting support lugs (12).

4. The shielding case for hydraulic control combination according to claim 1, wherein grooves (401) are formed in two sides of the top cover plate (4), and the first convex plate (21) and the second convex plate (31) are respectively inserted into the two grooves (401).

5. The shielding case for hydraulic control combination according to claim 1, wherein the sealing strip (11), the first sealing gasket (231), the second sealing gasket (331) and the third sealing gasket (421) are made of shielding rubber strips.

6. The shielding case for hydraulic control combination according to claim 1, wherein fastening bolts (5) are arranged at four corners of the front cover plate (2), the rear cover plate (3) and the top cover plate (4), and the fastening bolts (5) respectively penetrate through the front cover plate (2), the rear cover plate (3) and the top cover plate (4) and are installed in the case body (1).

7. The shielding case for hydraulic control combination according to claim 1, wherein the first protruding plate (21) and the second protruding plate (31) are respectively provided with a limit bolt (6) at one end far away from the top cover plate (4), and the limit bolts (6) respectively penetrate through the first protruding plate (21) and the second protruding plate (31) and are installed in the top cover plate (4).