CN213484393U

CN213484393U - Fixing device

Info

Publication number: CN213484393U
Application number: CN202021834161.8U
Authority: CN
Inventors: 李漫铁; 薛元亭; 安小军; 余彪
Original assignee: Huizhou Lehman Optoelectronics Technology Co ltd; Ledman Optoelectronic Co Ltd
Current assignee: Huizhou Lehman Optoelectronics Technology Co ltd; Ledman Optoelectronic Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-18
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to a fixing device for install the cable, fixing device includes: the box subassembly, the box subassembly has been seted up and has been acceptd the chamber, accepts the chamber and is used for the holding cable. And the cover assembly covers the box assembly, the cover assembly is used for covering the accommodating cavity, the cover assembly and the box assembly are enclosed to form at least two mounting holes, the mounting holes are communicated with the accommodating cavity and are in interference fit with the cable, and the central axes of the at least two mounting holes are positioned on different straight lines. So that the cable located in the entire fixture will bend into a curve. The pressure and the friction force acting on the cable are increased, so that the traction force cannot overcome the friction force to pull the cable, and the cable is prevented from loosening. Simultaneously, also can suitably reduce the interference degree between each mounting hole and the cable to cardboard and lower produced shearing force of cardboard to the cable in the reduction prevents that the shearing force from producing the destruction to the cable, so can compromise the reliable and stable nature and the security of cable installation simultaneously.

Description

Fixing device

Technical Field

The utility model relates to a mechanical frock technical field especially relates to a fixing device.

Background

The cable is typically mounted by a fixing device to prevent the cable from dragging relative to the fixing device under external forces. For the traditional fixing device, under the condition that the external force is increased to a certain degree, the cable overcomes the friction force between the cable and the fixing device and is dragged, so that the cable is loosened. If the friction between the fixing device and the cable is increased to offset the influence of the external force, the shearing force between the fixing device and the cable is increased, and the shearing force generates larger pressure and friction force. However, under the action of the large shearing force, the cable itself can be damaged, namely the safety of the cable in use is affected. Therefore, it is difficult for the conventional fixing device to simultaneously achieve both the stable reliability and the installability of the cable installation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem how improve the reliable and stable nature of cable installation on the basis of assurance security.

A fixture for mounting a cable, the fixture comprising:

the box assembly is provided with an accommodating cavity which is used for accommodating the cable; and

the lid subassembly, the lid subassembly lid closes on the box subassembly, the lid subassembly is used for hiding accept the chamber, the lid subassembly with both enclose to establish and form two at least mounting holes of box subassembly, the mounting hole with accept the chamber all communicate and with cable interference fit, at least two the central axis of mounting hole is located the different straight line.

In one embodiment, the box assembly comprises a bottom plate, a surrounding frame and a lower clamping plate which are connected with each other, the surrounding frame is arranged around the edge of the bottom plate and forms an inner cavity together with the bottom plate, the inner cavity comprises the accommodating cavity, and the lower clamping plate is positioned in the inner cavity and connected with the bottom plate; the cover assembly comprises a cover plate and an upper clamping plate which are connected with each other; when the cover plate covers the inner cavity, the upper clamping plate is positioned in the inner cavity and surrounds the mounting hole with the lower clamping plate.

In one embodiment, the lower clamping plates comprise a first lower clamping plate, a second lower clamping plate and a third lower clamping plate which are sequentially arranged at intervals, a first lower clamping groove is formed in a concave position on the first lower clamping plate, a second lower clamping groove is formed in a concave position on the second lower clamping plate, and a third lower clamping groove is formed in a concave position on the third lower clamping plate; the upper clamping plate comprises a first upper clamping plate, a second upper clamping plate and a third upper clamping plate which are sequentially arranged at intervals, a first upper clamping groove is formed in the first upper clamping plate in a sunken mode, a second upper clamping groove is formed in the second upper clamping plate in a sunken mode, and a third upper clamping groove is formed in the third upper clamping plate in a sunken mode; the number of the mounting holes is three, and the mounting holes comprise first mounting holes, second mounting holes and third mounting holes, the first lower clamping plate is abutted against the first upper clamping plate to enable the first lower clamping groove and the first upper clamping groove to form the first mounting holes, the second lower clamping plate is abutted against the second upper clamping plate to enable the second lower clamping groove and the second upper clamping groove to form the second mounting holes, and the third lower clamping plate is abutted against the third upper clamping plate to enable the third lower clamping groove and the third upper clamping groove to form the third mounting holes; the accommodating cavity comprises a first cavity and a second cavity, the first cavity is located between the first lower clamping plate and the second lower clamping plate, and the second cavity is located between the second lower clamping plate and the third lower clamping plate.

In one embodiment, the central axis of the first mounting hole forms a first orthographic projection on the bottom plate, the central axis of the second mounting hole forms a second orthographic projection on the bottom plate, and the central axis of the third mounting hole forms a third orthographic projection on the bottom plate; the first orthographic projection, the second orthographic projection and the third orthographic projection are all located on the same straight line.

In one embodiment, the second mounting hole is the largest distance from the bottom plate, and the first mounting hole and the third mounting hole are the same distance from the bottom plate.

In one embodiment, the accommodating cavity further comprises a third cavity and a fourth cavity, the third cavity is located between the first lower clamping plate and the surrounding frame, the fourth cavity is located between the third clamping plate and the surrounding frame, a first mounting groove and a second mounting groove are arranged on the surrounding frame, the first mounting groove is communicated with the outside and the third cavity, and the second mounting groove is communicated with the outside and the fourth cavity.

In one embodiment, the first mounting hole has a first central axis, the second mounting hole has a second central axis, and the third mounting hole has a third central axis; the first central axis, the second central axis and the third central axis are positioned on three non-coplanar and mutually parallel straight lines.

In one embodiment, one end of the cover plate is rotatably connected with the surrounding frame, and the other end of the cover plate is connected with the surrounding frame in a buckling manner.

In one embodiment, the enclosure frame has an outer surface, the enclosure frame includes a hook, the hook is connected to the outer surface and protrudes relative to the outer surface, the cover plate has a fastening hole, and the hook is engaged with the fastening hole.

In one embodiment, any one of the following is further included:

a through hole is formed in the bottom plate and is communicated with the accommodating cavity and the outside;

both the cartridge assembly and the lid assembly are metallic or non-metallic components;

the mounting holes comprise circular holes, elliptical holes or regular polygonal holes.

The utility model discloses a technical effect of an embodiment is: when the cable is installed, the end part of the cable penetrates into the fixing device and penetrates out of the fixing device through the mounting holes penetrating in sequence, and at the moment, the central axes of the at least two mounting holes are located on different straight lines, so that the cable located in the whole fixing device is bent to form a curve. When traction force is applied to the end of the cable, pressure and friction acting on the cable are increased, so that the traction force cannot overcome the friction to pull the cable, and the cable is prevented from loosening. Meanwhile, the interference degree between each mounting hole and the cable can be properly reduced, so that the shearing force generated by the upper clamping plate and the lower clamping plate on the cable is reduced, the cable is prevented from being damaged by the shearing force, and the safety performance of cable mounting is ensured. Therefore, the stability and the reliability of the cable installation can be improved on the basis of ensuring the safety, namely the safety and the stability and the reliability of the cable installation can be simultaneously considered.

Drawings

FIG. 1 is a schematic cross-sectional view of a fastening device according to an embodiment;

FIG. 2 is a perspective view of the fixing device shown in FIG. 1;

fig. 3 is a perspective view of the fixing device shown in fig. 1 from another perspective.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "inner", "outer", "left", "right" and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1, 2 and 3, the present invention provides a fixing device 10, the fixing device 10 is used for installing a cable 20, and the cable 20 may be a network cable or a power line, etc. The fixing device 10 includes a box assembly 100 and a cover assembly 200, the box assembly 100 defines a receiving cavity 140, the receiving cavity 140 is used for receiving the cable 20, for example, for receiving a portion of the cable 20, such that the middle portion of the cable 20 is inserted into the fixing device 10, and two ends of the cable 20 are located outside the fixing device 10. The cover assembly 200 covers the box assembly 100, the cover assembly 200 is used for covering the accommodating cavity 140, the cover assembly 200 and the box assembly 100 enclose at least two mounting holes 300, the mounting holes 300 are communicated with the accommodating cavity 140, and the cables 20 and the mounting holes 300 form an interference fit relationship. Meanwhile, the central axes of at least two mounting holes 300 are located on different straight lines.

In some embodiments, the cartridge assembly 100 includes a base plate 110, a peripheral frame 120, and a lower clamping plate 130, wherein the base plate 110, the peripheral frame 120, and the lower clamping plate 130 are connected to each other. Specifically, the bottom plate 110 has a substantially flat plate-like structure, the surrounding frame 120 has a substantially annular frame-like structure, and the lower end of the surrounding frame 120 is a fixed end and is connected to the peripheral edge of the bottom plate 110, such that the surrounding frame 120 is disposed around the bottom plate 110, and the upper end of the surrounding frame 120 is a free end. The enclosure frame 120 and the bottom plate 110 together enclose an inner cavity, which includes the receiving cavity 140, i.e., the receiving cavity 140 is a part of the inner cavity. The lower end of the lower clamping plate 130 is a fixed end and is fixedly connected with the bottom plate 110, and the lower clamping plate 130 is located in the inner cavity. The number of the lower card plates 130 may be three, and of course, in other embodiments, the number of the lower card plates 130 may be two or four, and the like, and may be configured according to the needs of the actual situation. The three lower cards 130 may be respectively referred to as a first lower card 131, a second lower card 132, and a third lower card 133. The surrounding frame 120 is disposed perpendicular to the bottom plate 110, and of course, the first lower clamping plate 131, the second lower clamping plate 132 and the third lower clamping plate 133 may also be disposed perpendicular to the bottom plate 110.

The first lower clamping plate 131, the second lower clamping plate 132 and the third lower clamping plate 133 are arranged on the bottom plate 110 at intervals in sequence, namely, the first lower clamping plate 131 and the third lower clamping plate 133 are arranged at two ends, and the second lower clamping plate 132 is arranged between the first lower clamping plate 131 and the third lower clamping plate 133. The length of the second lower card 132 may be longest, and the lengths of both the first lower card 131 and the third lower card 133 may be equal. The first lower clamping plate 131, the second lower clamping plate 132 and the third lower clamping plate 133 are all of a substantially flat plate-shaped structure, the width dimensions of the first lower clamping plate 131, the second lower clamping plate 132 and the third lower clamping plate 133 may be the same, and the thickness dimensions of the first lower clamping plate 131, the second lower clamping plate 132 and the third lower clamping plate 133 may be the same.

The first lower clamping plates 131 have two first lower surfaces and two first lower sides, the two first lower sides are oppositely arranged at intervals, one end of each first lower surface is connected with the upper end of one first lower side, the other end of each first lower surface is connected with the upper end of the other first lower side, namely, the first lower surfaces are connected between the two first lower sides, and the first lower surfaces are arranged towards the cover assembly 200. The first lower surface is opened with a first lower engaging groove 131a, the first lower engaging groove 131a may be formed by a middle portion of the first lower surface being recessed downward toward the bottom plate 110 by a set depth, and the first lower engaging groove 131a simultaneously penetrates through the two first lower side surfaces. The first lower card slot 131a may be an arc groove, an elliptical arc groove, a polygonal groove, etc.

Cardboard 132 has second lower surface and second downside under the second, and the quantity of second downside is two, and two second downside are the relative interval setting, and the one end of second lower surface is connected with the upper end of one of them second downside, and the other end of second lower surface is connected with the upper end of another one second downside, and the second lower surface is connected between two second downside promptly, and the second lower surface sets up towards lid subassembly 200. The second lower surface is provided with a second lower engaging groove 132a, the second lower engaging groove 132a may be formed by a middle portion of the second lower surface being recessed downward toward the bottom plate 110 by a set depth, and the second lower engaging groove 132a simultaneously penetrates through the two second lower sides. The second lower card slot 132a may be an arc-shaped slot, an elliptical arc-shaped slot, a polygonal slot, and the like.

The third lower clamping plate 133 has two third lower surfaces and two third lower surfaces, the two third lower surfaces are arranged at an interval, one end of the third lower surface is connected with the upper end of one of the third lower surfaces, the other end of the third lower surface is connected with the upper end of the other third lower surface, namely, the third lower surface is connected between the two third lower surfaces, and the third lower surface is arranged toward the cover assembly 200. The third lower surface is provided with a third lower engaging groove 133a, the third lower engaging groove 133a may be formed by a middle portion of the third lower surface being recessed downward toward the bottom plate 110 by a predetermined depth, and the third lower engaging groove 133a simultaneously penetrates through the two third lower sides. The third lower catching groove 133a may be an arc groove, an elliptical arc groove, a polygonal groove, or the like.

In some embodiments, the lid assembly 200 includes a lid plate 210 and an upper clamping plate 220, the lid plate 210 and the upper clamping plate 220 are connected to each other, the lid plate 210 may be a substantially flat plate structure, and the lid plate 210 is horizontally disposed; the upper card 220 is also of a generally flat plate-like configuration, with the upper card 220 being vertically disposed. The upper end of the upper clamping plate 220 is a fixed end and is fixedly connected with the cover plate 210, and the lower end of the upper clamping plate 220 is a free end. The number of the upper card boards 220 may be three, and of course, in other embodiments, the number of the upper card boards 220 may be two or four, and the like, and may be configured according to the needs of the actual situation. The three upper cards 220 may be respectively referred to as a first upper card 221, a second upper card 222, and a third upper card 223. Three of the first upper clamping plate 221, the second upper clamping plate 222 and the third upper clamping plate 223 may also be arranged to be perpendicular to the cover plate 210 at the same time.

The first upper clamping plate 221, the second upper clamping plate 222 and the third upper clamping plate 223 are arranged on the cover plate 210 at intervals in sequence, namely, the first upper clamping plate 221 and the third upper clamping plate 223 are arranged at two ends, and the second upper clamping plate 222 is arranged between the first upper clamping plate 221 and the third upper clamping plate 223. The length of the second upper card 222 may be the shortest, while the lengths of both the first upper card 221 and the third upper card 223 may be equal. Since all of the first upper card 221, the second upper card 222, and the third upper card 223 are substantially flat plate-shaped structures, the width dimensions of the first upper card 221, the second upper card 222, and the third upper card 223 may be the same, and of course, the thickness dimensions of the first upper card 221, the second upper card 222, and the third upper card 223 may also be the same.

The first upper clamping plate 221 has two first upper surfaces and two first upper sides, the two first upper sides are arranged at an interval, one end of each first upper surface is connected with the upper end of one of the first upper sides, the other end of each first upper surface is connected with the upper end of the other first upper side, namely, the first upper surfaces are connected between the two first upper sides, and the first upper surfaces are arranged towards the box assembly 100. The first upper surface is provided with a first lower locking groove 131a, the first lower locking groove 131a may be formed by a middle portion of the first upper surface being recessed upward toward the cover plate 210 by a set depth, and the first upper locking groove 221a simultaneously penetrates through the two first upper side surfaces. The first upper clamping groove 221a may be an arc groove, an elliptical arc groove, a polygonal groove, or the like.

The second upper clamping plate 222 has two second upper surfaces and two second upper sides, the two second upper sides are arranged at an interval, one end of each second upper surface is connected with the upper end of one of the second upper sides, the other end of each second upper surface is connected with the upper end of the other second upper side, that is, the second upper surfaces are connected between the two second upper sides, and the second upper surfaces are arranged towards the box assembly 100. The second upper surface is provided with a second lower engaging groove 132a, the second lower engaging groove 132a may be formed by a middle portion of the second upper surface being recessed upward toward the cover plate 210 by a set depth, and the second upper engaging groove 222a simultaneously penetrates through the two second upper side surfaces. The second upper card slot 222a may be an arc-shaped slot, an elliptical arc-shaped slot, a polygonal slot, and the like.

The third upper clamping plate 223 has a third upper surface and a third upper side, the number of the third upper side is two, two third upper sides are arranged at an interval, one end of the third upper surface is connected with the upper end of one of the third upper sides, the other end of the third upper surface is connected with the upper end of the other third upper side, that is, the third upper surface is connected between the two third upper sides, and the third upper surface is arranged toward the box assembly 100. The third upper surface is provided with a third lower locking groove 133a, the third lower locking groove 133a may be formed by a middle portion of the third upper surface being recessed upward toward the cover plate 210 by a set depth, and meanwhile, the third upper locking groove 223a penetrates through both third upper side surfaces. The third upper locking groove 223a may be an arc groove, an elliptical arc groove, a polygonal groove, or the like.

The number of the mounting holes 300 can be three, and of course, the number of the mounting holes 300 can be four or more, and can be configured according to the needs of actual situations. The three mounting holes 300 may be respectively referred to as a first mounting hole 310, a second mounting hole 320, and a third mounting hole 330. When this subassembly lid closes at box subassembly 100, the first upper surface of first last cardboard 221 and the first lower surface of first cardboard 131 laminate each other down, and first lower flank and first upper side can be parallel and level each other, and at this moment, first draw-in groove 131a and first last draw-in groove 221a form first mounting hole 310 jointly, and according to the shape between first draw-in groove 131a and first last draw-in groove 221a, first mounting hole 310 can be circular hole, oval-shaped hole or multilateral hole. The second upper surface of the second upper clamping plate 222 and the second lower surface of the second lower clamping plate 132 are attached to each other, the second lower side surface and the second upper side surface can be flush with each other, at this time, the second lower clamping groove 132a and the second upper clamping groove 222a jointly form a second mounting hole 320, and the second mounting hole 320 can be a circular hole, an elliptical hole or a polygonal hole according to the shapes of the second lower clamping groove 132a and the second upper clamping groove 222 a. The third upper surface of the third upper clamping plate 223 is attached to the third lower surface of the third lower clamping plate 133, the third lower side surface and the third upper side surface can be parallel and level to each other, at this time, the third lower clamping groove 133a and the third upper clamping groove 223a jointly form a third mounting hole 330, and the third mounting hole 330 can be a circular hole, an elliptical hole or a polygonal hole according to the shapes of the third lower clamping groove 133a and the third upper clamping groove 223 a.

In some embodiments, the accommodating cavity 140 includes a first cavity 141 and a second cavity 142, and when the cover assembly 200 is closed on the box assembly 100, the first cavity 141 is located between the first lower clamping plate 131 and the second lower clamping plate 132, such that the first cavity 141 is located between the first mounting hole 310 and the second mounting hole 320, and the first cavity 141 simultaneously communicates with the first mounting hole 310 and the second mounting hole 320. The second cavity 142 is located between the second lower card 132 and the third lower card 133, such that the second cavity 142 is located between the second mounting hole 320 and the third mounting hole 330, and the second cavity 142 communicates with both the second mounting hole 320 and the third mounting hole 330.

The accommodating cavity 140 may further include a third cavity 143 and a fourth cavity 144, the third cavity 143 is located between the first lower clamping plate 131 and the surrounding frame 120, the third cavity 143 communicates with the first mounting hole 310, the fourth cavity 144 is located between the third clamping plate and the surrounding frame 120, the fourth cavity 144 communicates with the third mounting hole 330, the surrounding frame 120 is provided with a first mounting groove 151 and a second mounting groove 152, the first mounting groove 151 and the second mounting groove 152 are respectively located at two opposite ends of the surrounding frame 120, so that the first mounting groove 151 penetrates through two opposite surfaces of the surrounding frame 120, and then the first mounting groove 151 communicates with the outside and the third cavity 143. Likewise, the second mounting groove 152 penetrates through two opposite surfaces of the surrounding frame 120, such that the second mounting groove 152 communicates with the outside and the fourth cavity 144 at the same time.

In some embodiments, for example, the central axis of the first mounting hole 310 forms a first orthographic projection on the base plate 110, the central axis of the second mounting hole 320 forms a second orthographic projection on the base plate 110, and the central axis of the third mounting hole 330 forms a third orthographic projection on the base plate 110; the first orthographic projection, the second orthographic projection and the third orthographic projection are all located on the same straight line. In other words, the central axes of the first, second and third mounting

holes

310, 320 and 330 may be parallel to each other and in the same plane. Of course, the central axes of both the first and third mounting

holes

310 and 330 may be located on the same line, i.e., collinear, while the central axes of both the first and second mounting

holes

310 and 320 are parallel to each other. At this time, the distance from the second mounting hole 320 to the base plate 110 is the largest, and the distances from both the first mounting hole 310 and the third mounting hole 330 to the base plate 110 are equal. As another example, the first mounting hole 310 has a first central axis, the second mounting hole 320 has a second central axis, and the third mounting hole 330 has a third central axis; the first central axis, the second central axis and the third central axis are positioned on three non-coplanar and mutually parallel straight lines. In other words, the first central axis, the second central axis and the third central axis are located on three parallel out-of-plane straight lines.

If the first mounting hole 310, the second mounting hole 320, and the third mounting hole 330 are coaxially disposed, the cable 20 is linearly provided with respect to the cable 20 inserted therethrough. When traction is applied to the end of the cable 20, the cable 20 will be pulled against the friction force, so as to be loosened, and if the interference degree between the installation hole 300 and the cable 20 is increased, a large shearing force will be applied to the cable 20 by the upper clamping plate 220 and the lower clamping plate 130, so that the cable 20 is at risk of being damaged by the shearing force, and the safety performance of the installation of the cable 20 is affected.

With the fixing device 10 of the above embodiment, when the cable 20 is installed, the end of the cable 20 passes through the first installation slot 151, the third cavity 143, the first installation hole 310, the first cavity 141, the second installation hole 320, the second cavity 142, the third installation hole 330, the fourth cavity 144 and the second installation hole 320 in sequence, so that the end of the cable 20 passes through one end of the enclosure frame 120 and passes out of the other end of the enclosure frame 120. At this time, the cable 20 located in the entire fixture 10 will be bent to form a parabolic curve. When traction is applied to the end of the cable 20, the pressure and friction acting on the cable 20 will increase such that the traction cannot overcome the friction to pull the cable 20, thereby preventing the cable 20 from coming loose. Meanwhile, the interference degree between each mounting hole 300 and the cable 20 can be properly reduced, so that the shearing force generated by the upper clamping plate 220 and the lower clamping plate 130 on the cable 20 is reduced, the cable 20 is prevented from being damaged by the shearing force, and the safety performance of the installation of the cable 20 is ensured. In fact, the fixing device 10 does not increase the friction force of the cable 20 by increasing the interference and the shearing force, but increases the friction force of the cable 20 by the interference force generated between the bent cable 20 and the upper card 220 and the lower card 130, so that the stability and the reliability of the installation of the cable 20 can be improved on the basis of ensuring the safety, that is, the safety and the stability and the reliability of the installation of the cable 20 can be simultaneously considered.

In some embodiments, one end of the cover plate 210 may be rotatably connected to the surrounding frame 120 through a rotating shaft, and the other end of the cover plate 210 may be snap-connected to the surrounding frame 120. When the cover plate 210 rotates relative to the surrounding frame 120 to enable the other end of the cover plate 210 to be connected with the surrounding frame 120 in a buckling manner, the cover assembly 200 covers the box assembly 100. After the snap connection between the cover plate 210 and the peripheral frame 120 is released, the cover plate 210 can be rotated relative to the peripheral frame 120 to release the cover assembly 200 from the covering relationship with the case assembly 100. For example, the surrounding frame 120 has an outer surface, and the surrounding frame 120 includes a hook 121, and the hook 121 is connected to the outer surface and protrudes to a certain height relative to the outer surface. The cover plate 210 is provided with a locking hole 211, and when the hook 121 is matched with the locking hole 211, the cover plate 210 and the enclosure frame 120 can be locked and connected.

In some embodiments, the bottom plate 110 may have a through hole 111, and the through hole 111 communicates with the outside and the receiving cavity 140. For example, the number of the through holes 111 is two, one through hole 111 communicates with the outside and the first cavity 141, and the other through hole 111 communicates with the outside and the second cavity 142. The through-holes 111 provide a certain drainage function to the housing chamber 140. Both the cartridge assembly 100 and the cap assembly 200 are metal components, i.e., both the cartridge assembly 100 and the cap assembly 200 may be made of a metal material. Both the cassette assembly 100 and the lid assembly 200 may also be non-metallic components, i.e., both the cassette assembly 100 and the lid assembly 200 may be made of non-metallic materials.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A fixing device for installing a cable, the fixing device comprising:

2. The fixture according to claim 1, wherein the box assembly comprises a base plate, a surrounding frame and a lower clamping plate which are connected with each other, the surrounding frame is arranged around the edge of the base plate and forms an inner cavity together with the base plate, the inner cavity comprises the accommodating cavity, and the lower clamping plate is positioned in the inner cavity and connected with the base plate; the cover assembly comprises a cover plate and an upper clamping plate which are connected with each other; when the cover plate covers the inner cavity, the upper clamping plate is positioned in the inner cavity and surrounds the mounting hole with the lower clamping plate.

3. The fixing device according to claim 2, wherein the lower clamping plate comprises a first lower clamping plate, a second lower clamping plate and a third lower clamping plate which are arranged at intervals in sequence, a first lower clamping groove is formed in a depression arranged on the first lower clamping plate, a second lower clamping groove is formed in a depression arranged on the second lower clamping plate, and a third lower clamping groove is formed in a depression arranged on the third lower clamping plate; the upper clamping plate comprises a first upper clamping plate, a second upper clamping plate and a third upper clamping plate which are sequentially arranged at intervals, a first upper clamping groove is formed in the first upper clamping plate in a sunken mode, a second upper clamping groove is formed in the second upper clamping plate in a sunken mode, and a third upper clamping groove is formed in the third upper clamping plate in a sunken mode; the number of the mounting holes is three, and the mounting holes comprise first mounting holes, second mounting holes and third mounting holes, the first lower clamping plate is abutted against the first upper clamping plate to enable the first lower clamping groove and the first upper clamping groove to form the first mounting holes, the second lower clamping plate is abutted against the second upper clamping plate to enable the second lower clamping groove and the second upper clamping groove to form the second mounting holes, and the third lower clamping plate is abutted against the third upper clamping plate to enable the third lower clamping groove and the third upper clamping groove to form the third mounting holes; the accommodating cavity comprises a first cavity and a second cavity, the first cavity is located between the first lower clamping plate and the second lower clamping plate, and the second cavity is located between the second lower clamping plate and the third lower clamping plate.

4. The fixture according to claim 3, wherein the central axis of the first mounting hole forms a first orthographic projection on the base plate, the central axis of the second mounting hole forms a second orthographic projection on the base plate, and the central axis of the third mounting hole forms a third orthographic projection on the base plate; the first orthographic projection, the second orthographic projection and the third orthographic projection are all located on the same straight line.

5. The fixture of claim 3, wherein the second mounting hole is spaced a maximum distance from the base plate, and wherein the first mounting hole and the third mounting hole are spaced equally from the base plate.

6. The fixing device according to claim 3, wherein the receiving cavity further comprises a third cavity and a fourth cavity, the third cavity is located between the first lower clamping plate and the surrounding frame, the fourth cavity is located between the third lower clamping plate and the surrounding frame, a first mounting groove and a second mounting groove are formed in the surrounding frame, the first mounting groove communicates with the outside and the third cavity, and the second mounting groove communicates with the outside and the fourth cavity.

7. The fixture of claim 3, wherein the first mounting hole has a first central axis, the second mounting hole has a second central axis, and the third mounting hole has a third central axis; the first central axis, the second central axis and the third central axis are positioned on three non-coplanar and mutually parallel straight lines.

8. The fastening device of claim 2, wherein one end of the cover plate is rotatably connected to the enclosure frame, and the other end of the cover plate is snap-fit connected to the enclosure frame.

9. The fastening device as claimed in claim 8, wherein the surrounding frame has an outer surface, the surrounding frame includes a hook, the hook is connected to the outer surface and protrudes from the outer surface, the cover plate has a hole, and the hook is engaged with the hole.

10. The fixture of claim 2, further comprising any one of: