阅读说明：本技术 一种光缆固定装置 (Optical cable fixing device ) 是由 赵根生 苏日申 毛志强 于 2020-12-30 设计创作，主要内容包括：本发明提供了一种光缆固定装置,包括固定板、支撑基座、顶盖和夹紧机构；所述支撑基座包括支撑板,所述支撑板固设在固定板的一侧侧壁上,所述支撑板的三边边缘处均向上垂直翻折设有连接部,所述连接部顶端端面上均设有用于放置电缆的凹口,所述支撑板和连接部形成空腔,所述空腔内设置有用于夹紧电缆的夹紧机构；所述支撑基座的顶部对应设有顶盖。本发明所述的一种光缆固定装置通过设置在支撑基座上的夹紧机构,可对不同尺寸的电缆进行夹紧固定,固定光缆效果较好,有效的避免了电缆紧固不牢靠情况的出现,在固定过程中,避免了对电缆外表面的破损。(The invention provides an optical cable fixing device, which comprises a fixing plate, a supporting base, a top cover and a clamping mechanism, wherein the fixing plate is fixedly arranged on the supporting base; the supporting base comprises a supporting plate, the supporting plate is fixedly arranged on the side wall of one side of the fixing plate, the edges of three sides of the supporting plate are respectively provided with a connecting part which is vertically turned upwards, notches for placing cables are arranged on the end faces of the top ends of the connecting parts, the supporting plate and the connecting parts form a cavity, and a clamping mechanism for clamping the cables is arranged in the cavity; and a top cover is correspondingly arranged at the top of the supporting base. According to the optical cable fixing device, cables of different sizes can be clamped and fixed through the clamping mechanism arranged on the supporting base, the optical cable fixing effect is good, the situation that the cables are not firmly fastened is effectively avoided, and the damage to the outer surfaces of the cables is avoided in the fixing process.)

1. An optical cable fixing device, its characterized in that: comprises a fixed plate (1), a supporting base (2), a top cover (3) and a clamping mechanism;

the supporting base (2) comprises a supporting plate, the supporting plate is fixedly arranged on the side wall of one side of the fixing plate (1), the edges of three sides of the supporting plate are vertically turned upwards to form connecting parts, notches for placing cables are formed in the end faces of the top ends of the connecting parts, the supporting plate and the connecting parts form a cavity, and a clamping mechanism for clamping the cables is arranged in the cavity;

the top of the supporting base (2) is correspondingly provided with a top cover (3).

2. An optical cable fixing device as claimed in claim 1, wherein: the top of fixed plate (1) is equipped with the bar notch that is used for supporting top cap (3), the both sides of fixed plate (1) are equipped with ear (101) respectively, be equipped with on ear (101) and be used for its fixed orifices.

3. A cable securing device according to claim 2, wherein: the fixing plate (1) is provided with reinforcing ribs (102) in an outward extending mode, and the reinforcing ribs (102) are fixedly connected with the bottom end of the supporting plate.

4. An optical cable fixing device as claimed in claim 1, wherein: the connecting part comprises a first connecting part and a second connecting part;

the first connecting part and the second connecting part are respectively arranged at two ends of the supporting plate in parallel, the width of the first connecting part and the width of the second connecting part are correspondingly equal to the width of the supporting plate, and a plurality of groups of first arc-shaped notches and second arc-shaped notches are respectively and correspondingly arranged at the top ends of the first connecting part and the second connecting part;

a third connecting part is arranged at one end of the first connecting part and the second connecting part, which is far away from the fixing plate (1), and the third connecting part is fixedly arranged on the supporting plate;

the support plate, the first connecting portion, the second connecting portion and the third connecting portion are integrally formed.

5. An optical cable fixing device as claimed in claim 4, wherein: the first connecting portion and the second connecting portion are provided with bolt holes, and the top cover (3) is fixed on the supporting base (2) through bolts.

6. An optical cable fixing device as claimed in claim 4, wherein: the clamping mechanism comprises a first supporting component and a second supporting component, the first supporting component is arranged on one side, close to the first connecting part, of the supporting plate, and the second supporting component is arranged on one side, close to the second connecting part, of the supporting plate;

the first supporting assembly and the second supporting assembly are identical in structure, the first supporting assembly comprises a base (4), the base (4) is of a convex structure, an inner cavity for mounting a buffering assembly is formed in the inner side of the base (4), a connecting plate (5) is arranged at the top end of the buffering assembly, a plurality of groups of lower angle steels (6) are arranged on the connecting plate (5), openings of the lower angle steels (6) are arranged upwards, fixing cylinders (7) are respectively arranged on the protruding portions at the two ends of the base (4), and internal threads are formed in the inner sides of the fixing cylinders (7);

the top correspondence of base (4) is equipped with down-pressure subassembly, down-pressure subassembly includes holding down plate (8), holding down plate (8) are the bar board, the bottom of holding down plate (8) is equipped with last angle steel (9) that correspond with angle steel (6) down, it sets up down to go up angle steel (9) opening, the size of going up angle steel (9) is less than the size of angle steel (6) down, the both ends of holding down plate (8) are equipped with the through-hole that corresponds with solid fixed cylinder (7) respectively, be equipped with the bolt in the through-hole, bolt and solid fixed cylinder (7) threaded connection, holding down plate (8) pass through the bolt fastening on base (4).

7. An optical cable fixing device as claimed in claim 6, wherein: the buffer assembly comprises a first mounting part (10), a spring (12) and a second mounting part (11);

the first installation part (10) comprises a fixed base (1001) and a sleeve (1002), the fixed base (1001) is fixedly arranged on the base (4), the bottom end of the sleeve (1002) is fixedly arranged on the fixed base (1001), the top end of the sleeve (1002) is fixedly provided with a limiting part (1003), the limiting part (1003) is of an annular structure, and the diameter of an inner ring of the limiting part (1003) is smaller than that of an inner hole of the sleeve (1002);

the second mounting portion (11) comprises a limiting block (1101) and a connecting column (1102), the limiting block (1101) is arranged in a sleeve (1002), the limiting block (1101) is of a cylindrical structure, the diameter of the limiting block (1101) is correspondingly equal to the diameter of an inner hole of the sleeve (1002) and larger than the aperture of a shaft hole, the connecting column (1102) is fixedly arranged at the top end of the limiting block (1101), the diameter of the connecting column (1102) is correspondingly equal to the diameter of an inner ring of a limiting portion (1003), a fixing block (1103) is arranged at the top end of the connecting column (1102), and the fixing block (1103) is mounted at the bottom end of the connecting plate (5);

the spring (12) is arranged between the fixed base (1001) and the fixed block (1103) and is positioned outside the sleeve (1002).

8. An optical cable fixing device as claimed in claim 6, wherein: a plurality of groups of first fixing ribs (13) for fixing the upper angle steel (9) are arranged at the bottom end of the lower pressing plate (8);

and a plurality of groups of second fixing ribs (14) for fixing the lower angle steel (6) are arranged on the connecting plate (5).

9. An optical cable fixing device as claimed in claim 4, wherein: the top cover (3) comprises a top plate, wherein the edges of three edges of the top plate are vertically downwards folded to form a fourth connecting part, a fifth connecting part and a sixth connecting part, a fourth arc-shaped notch corresponding to the first arc-shaped notch formed in the first connecting part is formed in the bottom end of the fourth connecting part, a fifth arc-shaped notch corresponding to the second connecting part is formed in the bottom end of the fifth connecting part, through holes are formed in the fourth connecting part and the fifth connecting part, and the top cover (3) is fixed on the support base (2) through bolts;

through holes corresponding to the bolt holes formed in the first connecting part and the second connecting part are formed in the fourth connecting part and the fifth connecting part, and the top cover (3) is fixed on the support base (2) through bolts;

the top plate, the fourth connecting part, the fifth connecting part and the sixth connecting part are integrally formed.

10. A cable securing device according to claim 9, wherein: one side of the top plate, which is close to the fixing plate (1), extends outwards to form a supporting part, and the supporting part is arranged in a strip-shaped notch of the fixing plate (1).

Technical Field

The invention belongs to the technical field of optical cable fixing, and particularly relates to an optical cable fixing device.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications by utilizing one or more optical fibers disposed in a covering jacket as the transmission medium and are used individually or in groups as telecommunication cable assemblies; the optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic outer skin, and is used for realizing a communication line for optical signal transmission.

At the built on stilts laying process of cable, because the cable distance is longer, need to install location fixing device and fix the cable, prevent that the cable from falling, current optical cable fixing device is fixed the effect not good, and uses for a long time and lead to fixing device to corrode, does not play fine fixed effect to the fixed of cable, consequently, needs a urgent need to design an optical cable fixing device.

Disclosure of Invention

In view of this, the present invention is directed to an optical cable fixing device to solve the problem of poor effect of fixing an optical cable by using the conventional optical cable fixing device.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

an optical cable fixing device comprises a fixing plate, a supporting base, a top cover and a clamping mechanism;

the supporting base comprises a supporting plate, the supporting plate is fixedly arranged on the side wall of one side of the fixing plate, the edges of three sides of the supporting plate are respectively provided with a connecting part which is vertically turned upwards, notches for placing cables are arranged on the end faces of the top ends of the connecting parts, the supporting plate and the connecting parts form a cavity, and a clamping mechanism for clamping the cables is arranged in the cavity;

and a top cover is correspondingly arranged at the top of the supporting base.

Further, the top of fixed plate is equipped with the bar notch that is used for supporting the top cap, the both sides of fixed plate are equipped with the ear respectively, be equipped with on the ear and be used for its fixed orifices.

Furthermore, the fixed plate extends outwards to be provided with a reinforcing rib, and the reinforcing rib is fixedly connected with the bottom end of the supporting plate.

Further, the connecting part comprises a first connecting part and a second connecting part;

the first connecting part and the second connecting part are respectively arranged at two ends of the supporting plate in parallel, the width of the first connecting part and the width of the second connecting part are correspondingly equal to the width of the supporting plate, and a plurality of groups of first arc-shaped notches and second arc-shaped notches are respectively and correspondingly arranged at the top ends of the first connecting part and the second connecting part;

a third connecting part is arranged at one end of the first connecting part and the second connecting part, which are far away from the fixing plate, and the third connecting part is fixedly arranged on the supporting plate;

the support plate, the first connecting portion, the second connecting portion and the third connecting portion are integrally formed.

Furthermore, the first connecting portion and the second connecting portion are provided with bolt holes, and the top cover is fixed on the supporting base through bolts.

Further, the clamping mechanism comprises a first supporting component and a second supporting component, the first supporting component is arranged on one side, close to the first connecting portion, of the supporting plate, and the second supporting component is arranged on one side, close to the second connecting portion, of the supporting plate;

the first supporting assembly and the second supporting assembly are of the same structure, the first supporting assembly comprises a base, the base is of a convex structure, an inner cavity for installing a buffering assembly is formed in the inner side of the base, a connecting plate is arranged at the top end of the buffering assembly, a plurality of groups of lower angle steels are arranged on the connecting plate, openings of the lower angle steels are arranged upwards, fixing cylinders are respectively arranged on protruding portions at two ends of the base, and internal threads are formed in the inner sides of the fixing cylinders;

the top correspondence of base is equipped with down the pressure subassembly, the pressure subassembly includes the holding down plate, the holding down plate is the bar shaped plate, the bottom of holding down plate is equipped with the upper angle steel that corresponds with the lower angle steel, the upper angle steel opening sets up down, the size of going up the angle steel is less than the size of lower angle steel, the both ends of holding down plate are equipped with the through-hole that corresponds with the solid fixed cylinder respectively, be equipped with the bolt in the through-hole, bolt and solid fixed cylinder threaded connection, the holding down plate passes through the bolt fastening on the base.

Further, the buffer assembly comprises a first mounting part, a spring and a second mounting part;

the first mounting part comprises a fixed base and a sleeve, the fixed base is fixedly arranged on the base, the bottom end of the sleeve is fixedly arranged on the fixed base, the top end of the sleeve is fixedly provided with a limiting part, the limiting part is of an annular structure, and the diameter of an inner ring of the limiting part is smaller than that of an inner hole of the sleeve;

the second mounting part comprises a limiting block and a connecting column, the limiting block is arranged in the sleeve and is of a cylindrical structure, the diameter of the limiting block is correspondingly equal to the diameter of an inner hole of the sleeve and is larger than the diameter of the shaft hole, the connecting column is fixedly arranged at the top end of the limiting block, the diameter of the connecting column is correspondingly equal to the diameter of an inner ring of the limiting part, a fixing block is arranged at the top end of the connecting column, and the fixing block is mounted at the bottom end of the connecting plate;

the spring is arranged between the fixed base and the fixed block and is positioned on the outer side of the sleeve.

Furthermore, a plurality of groups of first fixing ribs for fixing the upper angle steel are arranged at the bottom end of the lower pressing plate;

and a plurality of groups of second fixing ribs for fixing the lower angle steel are arranged on the connecting plate.

Furthermore, the top cover comprises a top plate, the edges of three edges of the top plate are vertically turned downwards to form a fourth connecting part, a fifth connecting part and a sixth connecting part, a fourth arc-shaped notch corresponding to the first arc-shaped notch formed in the first connecting part is formed in the bottom end of the fourth connecting part, a fifth arc-shaped notch corresponding to the second connecting part is formed in the bottom end of the fifth connecting part, through holes are formed in the fourth connecting part and the fifth connecting part, and the top cover is fixed on the support base through bolts;

through holes corresponding to the bolt holes formed in the first connecting part and the second connecting part are formed in the fourth connecting part and the fifth connecting part, and the top cover is fixed on the supporting base through bolts;

the top plate, the fourth connecting part, the fifth connecting part and the sixth connecting part are integrally formed.

Furthermore, one side of the top plate, which is close to the fixing plate, extends outwards to form a supporting part, and the supporting part is arranged in a strip-shaped notch of the fixing plate.

Compared with the prior art, the optical cable fixing device has the following advantages:

(1) according to the optical cable fixing device, cables of different sizes can be clamped and fixed through the clamping mechanism arranged on the supporting base, the optical cable fixing effect is good, the situation that the cables are not firmly fastened is effectively avoided, the outer surface of each cable is prevented from being damaged in the fixing process, and the application range is wide;

(2) the optical cable fixing device is simple in structure, can be installed on a wall or other facilities, can be flexibly disassembled, is less influenced by environment, and has a prominent clamping mechanism and cable protection effect on the interior of the fixing device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a first structural schematic view of a cable retaining device without a top cover according to an embodiment of the present invention;

FIG. 2 is a second schematic structural view of a cable retaining device without a top cover according to an embodiment of the present invention;

FIG. 3 is a right side view of a cable retaining device without a cover according to an embodiment of the present invention;

FIG. 4 is a front view of a cable retaining device without a cover according to an embodiment of the present invention;

FIG. 5 is a schematic view of a top cover structure according to an embodiment of the present invention;

FIG. 6 is a schematic view of a base structure according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a buffer assembly according to an embodiment of the invention.

Description of reference numerals:

1-fixing the plate; 101-ear; 102-reinforcing ribs; 2-a support base; 3-a top cover; 4-a base; 5-connecting plates; 6-lower angle steel; 7-a fixed cylinder; 8-pressing the lower plate; 9-upper angle steel; 10-a first mounting portion; 1001-fixed base; 1002-a sleeve; 1003-a limiting part; 11-a second mounting portion; 1101-a limiting block; 1102-connecting column; 1103-fixed block; 12-a spring; 13-a first fixing rib; 14-second fixing rib.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 7, an optical cable fixing device includes a fixing plate 1, a support base 2, a top cover 3, and a clamping mechanism;

the supporting base 2 comprises a supporting plate, the supporting plate is fixedly arranged on the side wall of one side of the fixing plate 1, the edges of three sides of the supporting plate are respectively provided with a connecting part in an upward and vertical turning manner, the end surface of the top end of each connecting part is provided with a notch for placing a cable, the supporting plate and the connecting parts form a cavity, and a clamping mechanism for clamping the cable is arranged in the cavity;

the top of the supporting base 2 is correspondingly provided with a top cover 3.

The top of fixed plate 1 is equipped with the bar notch that is used for supporting top cap 3, the both sides of fixed plate 1 are equipped with ear 101 respectively, be equipped with on ear 101 and be used for fixing its fixed orifices 103, the accessible cramp bolt is fixed plate 1 on the wall body or on other facilities, and it is nimble and dismantle the convenience to carry out the installation.

The fixed plate 1 is provided with a reinforcing rib 102 extending outwards, and the reinforcing rib 102 is fixedly connected with the bottom end of the support plate and used for supporting the bottom of the support plate, so that the support plate is stable and firm.

The connecting part comprises a first connecting part and a second connecting part;

the first connecting part and the second connecting part are respectively arranged at two ends of the supporting plate in parallel, the width of the first connecting part and the width of the second connecting part are correspondingly equal to the width of the supporting plate, and a plurality of groups of first arc-shaped notches and second arc-shaped notches are respectively and correspondingly arranged at the top ends of the first connecting part and the second connecting part; the first arc-shaped notch and the second arc-shaped notch are correspondingly arranged, cables are placed in the notches, the contact area between the cables and the supporting base 2 is increased, the diameters of the first arc-shaped notch and the second arc-shaped notch can be set to be different in size, namely the first arc-shaped notch and the second arc-shaped notch are applied to the cables with different sizes, and the first arc-shaped notch and the second arc-shaped notch are only set to be the same in size according to the fact that the cables with different sizes are placed in the corresponding notches;

a third connecting part is arranged at one end of the first connecting part and the second connecting part, which are far away from the fixing plate 1, and the third connecting part is fixedly arranged on the supporting plate;

the support plate, the first connecting portion, the second connecting portion and the third connecting portion are integrally formed.

The first connecting portion and the second connecting portion are provided with bolt holes, and the top cover 3 is fixed on the support base 2 through bolts.

The clamping mechanism comprises a first supporting component and a second supporting component, the first supporting component is arranged on one side, close to the first connecting part, of the supporting plate, and the second supporting component is arranged on one side, close to the second connecting part, of the supporting plate; the first supporting component and the second supporting component are symmetrically arranged to form a channel for placing a cable;

the first supporting assembly and the second supporting assembly are of the same structure, the first supporting assembly comprises a base 4, the base 4 is of a convex structure, an inner cavity for installing a buffering assembly is formed in the inner side of the base 4, a connecting plate 5 is arranged at the top end of the buffering assembly, a plurality of groups of lower angle steels 6 are arranged on the connecting plate 5, openings of the lower angle steels 6 are arranged upwards, fixing cylinders 7 are respectively arranged on the protruding parts of the two ends of the base 4, and internal threads are formed in the inner sides of the fixing cylinders 7;

the top end of the base 4 is correspondingly provided with a pressing assembly, the pressing assembly comprises a pressing plate 8, the pressing plate 8 is a strip-shaped plate, the bottom end of the pressing plate 8 is provided with an upper angle steel 9 corresponding to a lower angle steel 6, the opening of the upper angle steel 9 is arranged downwards, the size of the upper angle steel 9 is smaller than that of the lower angle steel 6, rubber pads are arranged on the contact surfaces of the upper angle steel 9 and the lower angle steel 6 and a cable, so that the sheath of the cable is prevented from being damaged in the fixing process, through holes corresponding to the fixed cylinders 7 are respectively arranged at the two ends of the pressing plate 8, bolts are arranged in the through holes, the bolts are in threaded connection with the fixed cylinders 7, and the pressing plate 8 is fixed on the base 4 through the bolts; buffering subassembly and push down the subassembly cooperation setting for to not unidimensional cable fixed, through screwing up fastening bolt, will push down the subassembly and compress tightly the top of pushing down the cable, thereby fix the cable.

The buffer assembly comprises a first mounting part 10, a spring 12 and a second mounting part 11;

the first mounting part 10 comprises a fixed base 1001 and a sleeve 1002, the fixed base 1001 is fixedly arranged on the base 4, the bottom end of the sleeve 1002 is fixedly arranged on the fixed base 1001, the top end of the sleeve 1002 is fixedly provided with a limiting part 1003, the limiting part 1003 is of an annular structure, the sleeve 1002 and the limiting part 1003 are integrally formed, and the diameter of an inner ring of the limiting part 1003 is smaller than that of an inner hole of the sleeve 1002;

the second mounting part 11 comprises a limiting block 1101 and a connecting column 1102, the limiting block 1101 is arranged in a sleeve 1002, the limiting block 1101 is of a cylindrical structure, the diameter of the limiting block 1101 is correspondingly equal to the diameter of an inner hole of the sleeve 1002 and is larger than the aperture of a shaft hole, the connecting column 1102 is fixedly arranged at the top end of the limiting block 1101, the diameter of the connecting column 1102 is correspondingly equal to the diameter of an inner ring of a limiting part 1003, a fixing block 1103 is arranged at the top end of the connecting column 1102, and the fixing block 1103 is mounted at the bottom end of the connecting plate 5;

the spring 12 is arranged between the fixed base 1001 and the fixed block and positioned outside the sleeve 1002; the buffer assembly is used for buffering the cable in the process of placing the cable, so that the cable is prevented from being hard to fall on the support base 2, and the cable is subjected to double protection by matching with a rubber pad arranged on the lower angle steel 6; secondly, in the process of fixing the cable, the cable fixing device is matched with the pressing component, so that the pressing component is continuously pressed when the cables with different sizes are fixed, and a certain buffering effect is achieved on the cables.

A plurality of groups of first fixing ribs 13 for fixing the upper angle steel 9 are arranged at the bottom end of the lower pressing plate 8, and the first fixing ribs 13 are respectively arranged at the connecting positions of the upper angle steel 9 and the lower pressing plate 8 to prevent the upper angle steel 9 from falling;

the connecting plate 5 is provided with a plurality of groups of second fixing ribs 14 for fixing the lower angle iron 6, and the second fixing ribs 14 are respectively arranged at the joint of the lower angle iron 6 and the connecting plate 5, so that the unstable fixation of the lower angle iron 6 is prevented.

The top cover 3 comprises a top plate, the edges of three edges of the top plate are vertically downwards folded to form a fourth connecting part, a fifth connecting part and a sixth connecting part, a fourth arc-shaped notch corresponding to the first arc-shaped notch formed in the first connecting part is formed in the bottom end of the fourth connecting part, a fifth arc-shaped notch corresponding to the second connecting part is formed in the bottom end of the fifth connecting part, through holes are formed in the fourth connecting part and the fifth connecting part, and the top cover 3 is fixed on the support base 2 through bolts;

through holes corresponding to the bolt holes formed in the first connecting part and the second connecting part are formed in the fourth connecting part and the fifth connecting part, and the top cover 3 is fixed on the support base 2 through bolts;

the top plate, the fourth connecting part, the fifth connecting part and the sixth connecting part are integrally formed; the top cap sets up with the supporting pedestal cooperation for protect supporting pedestal 2 inside, can prevent that bad conditions such as outdoor wind and rain from causing the influence to the inside clamping unit who is equipped with of supporting pedestal 2 and push down the subassembly.

The top plate is provided with a supporting part in an outward extending mode at one side close to the fixing plate 1, the supporting part is arranged in a strip-shaped notch of the fixing plate 1 and erected on the fixing plate 1 through the supporting part, the top cover 3 is fixed on the supporting base 2 through bolts, the top cover 3 and the supporting base 2 can be tightly fixed, and the protection effect is better.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.