The patent application is divisional application, the application number of a parent application is 2017113426699, and the application date of the parent application is 12 months and 14 days in 2017.
Disclosure of Invention
In view of the above situation, the present invention provides an installation device for network communication equipment, which mainly aims to solve the problem of how to realize quick and convenient installation of a router and the existing office furniture, and to conveniently plan the route as much as possible.
The technical scheme includes that the device comprises a shell and a plurality of network interfaces which are arranged in parallel and located on one end face of the shell, wherein each network interface comprises a plug corresponding to a crystal head and a mounting groove for mounting the plug; a limiting block is arranged in each sliding groove and is in contact fit with two side walls of each sliding groove to form a structure that the limiting block can slide along the length direction of each sliding groove, and a bayonet is arranged on the limiting block and used for clamping and fixing a circuit; the groove body is correspondingly provided with a gland, the gland can form a covering structure with the groove body, and each limiting block is connected with one surface of the gland; the length of the sliding groove is greater than that of the mounting groove; the fixing clamp assembly is arranged on one end face of the shell and is used for being detachably and fixedly connected with a fixing position, and the fixing clamp assembly is in rotating fit with the shell through a pivot; the fixed clamp assembly comprises a rotating arm, one end of the rotating arm is rotationally matched with the shell, the other end of the rotating arm is provided with a clamping arm, the clamping arm is of a rigid rod-shaped structure, the clamping arm is rotationally matched with the rotating arm, and an elastic piece is arranged between the clamping arm and the rotating arm to form a structure that the clamping arm can move relative to the rotating arm and recover under the action of the elastic piece; the utility model discloses a clamp arm, including the arm lock, the inboard of arm lock is equipped with the elastic ruler, the elastic ruler is made for slice elastic material, the elastic ruler sets up along arm lock inside wall length direction, the elastic ruler is the middle sunken arcuation multilayer structure of both sides perk that makes progress, the arc mouth of elastic ruler is towards the arm lock internal surface, the lamellar structure of elastic ruler includes basic unit and elastic layer, laminate each other and fixed connection between basic unit and the elastic layer, the elastic layer is middle thick both sides along the thin structure of department, elastic layer elastic modulus is less than the elastic modulus of basic unit, the one end of elastic ruler is the free end, the other end of elastic ruler is connected with the contact, contact one end surpasss the surface of elastic ruler, the elastic fixation cooperation between the contact other end and the arm lock forms the contact and contracts after the contact is pressed and drives the structure that elastic ruler one end sinks, the installation department of contact is equipped with a sink groove, the sink is used for making the elastic layer drive the inward deformation of basic unit and overturn and then hold the structure of fixed position when the elastic ruler tip sinks.
In one embodiment, the surface of the gland for mounting the limiting blocks is provided with T-shaped grooves respectively matched with the limiting blocks, each T-shaped groove is of a structure with one closed end and the other open end, the closed end of each T-shaped groove is positioned at one end far away from the middle part of the shell, one end of each limiting block is provided with a clamping jaw matched with the T-shaped groove to form a structure that the limiting blocks can be clamped and matched with the T-shaped grooves from the T-shaped grooves and can slide in the T-shaped grooves, the sliding direction of each limiting block is the same as the direction of each plug, and the mounting device for the network communication equipment is used for pushing a line to enter a chute and be spliced with the plug and is characterized in that the surface of each limiting block matched with the T-shaped groove is provided with an inwards concave elongated groove, a control block is embedded and fixed in the elongated groove, and the, one end of each control block extends to be provided with a locking plate, the end part of each locking plate is exposed out of the end face of each limiting block, the open end of each T-shaped groove is detachably and fixedly connected with a locking block, each locking block is used for limiting the limiting block to slip and to be matched with the locking plate, each locking block is provided with a locking hole in clamping and convex matching with the end part of each locking plate, and a structure that the locking plate can enter the locking hole and is in clamping and matching with the inner groove of the locking hole through self elasticity is formed; the lower surface of the locking plate is provided with a control piece made of a rigid material, one end of the control piece is fixedly connected with the end part of the locking plate, the other end of the control piece penetrates through the control block and is exposed out of the other end of the control block to form a control end, the control block is provided with a long hole for the control piece to penetrate through, an abdicating space is arranged between the inner wall of the long hole and the control piece, and the control piece can perform displacement motion along the length direction of the locking plate; the control end is used for controlling the locking plate to be separated from the locking hole for locking.
In one embodiment, the elastic layer is of a split structure and comprises an initiation section and an inertia section, two end parts of the initiation section exceed the end parts of the sinking grooves, the contact is fixedly connected with the middle part of the initiation section, and a slit is arranged between the initiation section and the inertia section.
In one embodiment, the control piece comprises an inclined part connected with the locking piece and a horizontal part positioned in the long hole, a support column is arranged below the horizontal part, the support column is in tangential fit with the lower surface of the control piece, and two ends of the support column are fixedly connected with the inner wall of the long hole.
In one embodiment, one end of the gland is hinged to one end of the groove body, the other end of the gland is movably connected with the other end of the groove body, cushion blocks are arranged between every two adjacent limiting blocks respectively, the cushion blocks are made of flexible materials, and the cushion blocks are in contact fit with the surface of the groove body when the gland covers the groove body.
In one embodiment, the depth of the mounting groove is adapted to the length of the crystal head, so that the crystal head can be completely inserted into the mounting groove.
In one embodiment, each clamping jaw is composed of two contact pins and a back column, the two contact pins are located on two opposite side surfaces of the back column, the end portion of each contact pin protrudes outwards to form a clamping protrusion matched with the T-shaped groove, a space is arranged between each contact pin and the back column, and the space is gradually enlarged from the root portion to the end portion.
In one embodiment, the end face of the housing is bonded and fixed with line cards made of elastic materials, and each line card is provided with a line slot for clamping and matching with a line.
In one embodiment, the contact is a rod-shaped structure, the contact is elastically and slidably connected with the clamping arm, the middle part of the contact is fixedly connected with the end part of the elastic ruler, and the sinking groove is a rectangular groove.
In one embodiment, the outer surface layer of the elastic ruler is wrapped with a silica gel layer, and the outer surface of the silica gel layer is uniformly provided with bulges protruding out of the surface.
In an embodiment, the inside hollow structure that is of swinging boom, there is a solid fixed cylinder inside the swinging boom through threaded connection, solid fixed cylinder can dismantle fixed connection with the swinging boom, gu fixed has a pivot in the fixed cylinder, fixed connection can be dismantled with the arm lock to pivot one end, be connected with the elastic component between pivot and the solid fixed cylinder.
In one embodiment, a T-shaped structure is formed between the clamping arm and the rotating arm, and the rotating arm is connected with the middle position of the clamping arm.
In one embodiment, the place is provided with a placing groove corresponding to the clamping arm and the rotating arm, so that the rotating arm and the clamping arm can rotate relatively and can be folded relative to the shell.
In one embodiment, a recessed hidden groove is formed in the clamping arm corresponding to the elastic ruler and used for storing the elastic ruler.
According to the invention, by setting the length of the sliding chute, the plugging parts of the lines are all pressed by the pressing cover, the pressing cover can be directly matched with the adapter box, the adapter box can be in a right-angle shape, at the moment, each line is bent to form a right angle, the bent part is arranged at the end part of the sliding chute, the connection part of the crystal head is avoided, and the connection structure is prevented from being damaged; in addition, each line can be used as a main line by a sideline, and the rest lines are bent at the sliding chute, close to the main line and keep parallel, so that the matching use with the wire slot is still facilitated, and the lines can be directly concentrated through the wire clamp, collected to the main line and then matched with the wire slot; in addition, when the circuit is inserted, the crystal head can be directly driven by the limiting block, the crystal head is enabled to be inserted into the mounting groove by the limiting block, the connection of the crystal head is realized, the connection is rapid, the crystal head is locked by the locking plate, the purpose of preventing the crystal head from loosening is achieved, the phenomenon that the position of the crystal head is frequently exchanged when the network is maintained is avoided, meanwhile, the communication box is fixed by utilizing the elastic force between the clamping arm and the rotating arm or the snap ring formed by deformation of the clapper/papa ruler, the communication box can be conveniently used for a table body or a wall body with a cylinder structure, and the installation is rapid, convenient and stable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, and 3 of the drawings, as shown in an embodiment of the drawings, a housing 100, where the housing 100 is used to encapsulate electronic components and a circuit board of a router, a power line and a network interface 101 are exposed outside the housing 100, the network interface 101 is used to plug a crystal head and is connected and fixed with the crystal head, and a specific shape and material of the housing 100 are set according to a use requirement and a technical specification, and a preferable structure is that the housing 100 includes a planar bottom shell, and the housing 100 is correspondingly provided with an end surface, where the end surface corresponds to a fixed position when being installed, and the end surface is attached to the fixed position after being installed, which may be but does not include a planar structure, and in order to enhance a friction force thereof, the housing may be made of a material that generates a large friction force.
With reference to fig. 1, 2, and 3 of the drawings, as shown in the embodiment of the drawings, a sunken type trough 102 is provided on a bottom case, the length of the trough 102 is related to the number of network interfaces 101 provided by a router, in the embodiment of the drawings, the length of the trough 102 covers the width of the case 100, the width of the trough 102 is related to the length of a line to be crimped, the longer the length of the crimped line is, the more favorable the line arrangement is, and the smaller the influence on the connection of a crystal head is, the preferable structure is that one end in the width direction of the trough 102 extends to the end face of the case 100, and the other end in the width direction is located at a position close to the middle of the bottom case, the trough 102 is just suitable for a gland 300, and the gland 300 is flush with the surface; the tank body 102 further comprises a bottom surface 103 formed during extension, a plurality of downward sunken sliding grooves 104 are formed in the bottom surface 103 at intervals, the arrangement direction of the sliding grooves 104 is the width direction of the shell 100, the sliding grooves 104 are uniformly arranged and correspond to the network interface 101, one end of each sliding groove 104 extends to the end surface of the shell 100, the other end of each sliding groove extends to the middle of the shell 100 to form a mounting groove, the depth of the mounting groove is matched with the length of the crystal head, the preferred structure is that the crystal head can be completely inserted into the mounting groove, the length of each sliding groove 104 is preferably 30-40mm, most of the connection part of the crystal head can be fixed by the limiting block 200, the connection part of the crystal head is tightly combined and is not easily interfered by external force, and good contact performance of the crystal head is kept.
Referring to fig. 1 and 4 of the drawings, as shown in the embodiment of the drawings, in the gland 300, one end of the gland 300 is hinged to one end of the tank body 102, the other end of the gland 300 is movably connected to the other end of the tank body 102, a cushion block 303 is respectively arranged between each two adjacent limiting blocks 200, the cushion block 303 is made of a flexible material including but not limited to sponge, and each cushion block 303 is in contact fit with the surface of the tank body 102 when the gland 300 is covered, so that the gland 300 is tightly combined with the tank body 102, looseness is avoided, and the line clamping is prevented from being not tight.
Referring to fig. 1, fig. 2 and fig. 4 of the drawings, as shown in an embodiment of the drawings, the limiting block 200 is used for limiting the position of the line in the sliding groove 104, keeping the line at the same position, and not being interfered by an external force, after the installation is completed, the limiting block 200 is located in the sliding groove 104 and can slide in the sliding groove 104, the limiting blocks 200 are respectively arranged in the sliding grooves 104, the limiting blocks 200 and the gland 300 are fixed in an inserting manner, and the limiting blocks 200 and the gland 300 are in sliding fit. Be equipped with bayonet socket 201 on the stopper 200, bayonet socket 201 is used for carrying out the joint to the circuit fixed, and bayonet socket 201 is in circuit fixed connection, guarantees under bayonet socket 201's effect, and stopper 200 can drive the circuit and remove, and when the circuit was cooperated with bayonet socket 201, the quartzy head was located bayonet socket 201's tip department and was cooperated with stopper 200's terminal surface contact, kept the stability of quartzy head.
Referring to fig. 1, 2 and 4 of the drawings, as shown in an embodiment of the drawings, a gland 300 is provided, the gland 300 is used for fixing a line and facilitating daily maintenance, a T-shaped groove 301 is provided on an inner surface of the gland 300, one end of the T-shaped groove 301 is closed and the other end is open, the closed end prevents a limiting block 200 from slipping when sliding outwards, the open end of the T-shaped groove 301 is in consideration of a processing process, so that processing and installation of the limiting block 200 are facilitated, the limiting block 200 can be assembled in an insertion manner, and can be assembled from the open end of the T-shaped groove 301, a locking block 302 is installed at the open end of the T-shaped groove 301, and the locking block 302 is used for limiting the sliding distance of the limiting block 200 on one hand and can be matched with a; the structure that the claws 202 are matched with the T-shaped grooves 301 is arranged at one end of each limiting block 200, the claws 202 can be matched with the T-shaped grooves 301 in a clamping manner and slide in the T-shaped grooves 301, specifically, the claws 202 are extruded and elastically deformed when entering the T-shaped grooves 301 until the claws 202 enter the T-shaped grooves 301, so that the claws 202 are clamped with the transverse grooves of the T-shaped grooves 301, each claw 202 is respectively composed of two pins 204 and a back column 205, the two pins 204 are positioned on two opposite side surfaces of the back column 205, the end part of each pin 204 protrudes outwards to form a clamping bulge matched with the T-shaped groove 301, a space is arranged between each pin 204 and the back column 205, the space is gradually enlarged from the root part to the end part, the space at the end part of each pin 204 is larger, so that a larger range of deformation can be allowed, the distance between the root part of each pin 204 and the back column 205 is smaller, so that the support for the pins, the root of the pin is prevented from generating excessive deformation, and the pin 204 is prevented from being damaged.
Referring to fig. 5, 6 and 7 of the drawings, as shown in the embodiment of the drawings, in the control block 600, two claws 202 corresponding to each limiting block 200 are provided, an elongated slot 203 is provided between the two claws 202, each elongated slot 203 is located at the surface of the limiting block 200, which is matched with the T-shaped slot 301, a control block 600 is embedded in the elongated slot 203, a long hole 604 penetrating the length direction of the control block 600 is provided on the lower end surface of the control block 600, a locking plate 601 is extended from each end of the control block 600, the end of the locking plate 601 is exposed out of the end surface of the limiting block 200, a locking block 302 is detachably and fixedly connected to the open end of each T-shaped slot 301, a locking hole matched with the locking plate 601 is provided on the locking block 302, a locking protrusion with a convex surface is provided on the end of the locking plate 601, the locking protrusion is deformed after being inserted into the locking hole and forms a snap fit with a groove, The locking tab 601 is made of a material including, but not limited to, copper.
Referring to fig. 5, 6 and 7 of the drawings, as shown in the embodiment of the drawings, the control piece 602 and the control piece 602 are made of rigid materials including but not limited to steel, the control piece 602 is located below the locking piece 601, and includes an inclined portion 606 connected to the locking piece 601, and further includes a horizontal portion 605 located in the elongated hole 604, the inclined portion 606 is fixedly connected to the lower surface of the locking piece 601 near the end portion, the horizontal portion 605 is mostly located in the elongated hole 604, the other end of the horizontal portion 605 extends out of the elongated hole 604, and the end surface exposed to the limiting block 200 during specific installation forms a free end, a support column 607 is located below the horizontal portion 605, the support column 607 is tangent to the lower surface of the control piece 602, the two ends of the support column 607 are fixedly connected to the inner wall of the elongated hole 604, an offset space is provided between the inner wall of the elongated hole 604 and the control piece 602, the, the small displacement is made in the long hole 604, and the end with the clamping protrusion of the locking plate 601 is driven to sink, so that the locking plate 601 is separated from the locking, and the separation of the limiting block 200 and the locking block 302 is realized.
Referring to fig. 1 of the drawings, as shown in the embodiment of the drawings, a line card 700, the line card 700 is made of a material including but not limited to elastic rubber, the line card 700 is a cubic structure as a whole, the lower end of the line card 700 is bonded and fixed to the end surface of the housing 100, the line card 700 is provided with a line slot 701 for being in clamping fit with a line, the line slot 701 is configured as a plurality of through holes arranged in parallel, the aperture of each through hole is related to the line to be clamped, and the axial direction of each through hole is perpendicular to the length direction of the sliding slot 104, so that the line extending from the limiting block 200 is bent and fixed.
Referring to fig. 8, 9, 12, 13 and 14 of the drawings, as shown in the embodiment of the drawings, a fixing clip assembly 400 is used for being detachably and fixedly connected with a fixing position, the fixing clip assembly 400 includes a rotating arm 401 and a clip arm 402, a structure without being limited to a T-shape is formed between the rotating arm 401 and the clip arm 402, such as an L-shape structure, and correspondingly, for convenience of application, a placing slot 106 is provided on the housing 100, the placing slot 106 is adapted to the fixing clip assembly 400, when the fixing clip assembly 400 is used, the fixing clip assembly 400 can be turned out, when the fixing clip assembly 400 is not needed, the fixing clip assembly 400 can be folded and placed in, one end of the rotating arm 401 is hinged in the placing slot 106 by a pivot, the other end of the rotating arm 401 is a hollow structure, a rotating shaft 405 is connected by a fixing cylinder 404, the rotating shaft 405 is mostly sleeved in the fixing cylinder 404, one end of the corresponding rotating shaft 405 is provided with a limiting flange 406 protruding radially, limiting flange 406 and fixed section of thick bamboo 404 internal diameter phase-match, the other end of fixed section of thick bamboo 404 is equipped with inside convex anticreep flange 407 simultaneously, be equipped with elastic component 403 between limiting flange and the anticreep flange, elastic component 403 is cylindrical spring, cylindrical spring's elastic force is set for according to required arm lock 402 clamp force, cylindrical spring overcoat and pivot 405 go up and be located fixed section of thick bamboo 404, the other end of pivot 405 stretches out in fixed section of thick bamboo 404 simultaneously to through threaded connection arm lock 402.
Referring to fig. 10 and 11 of the drawings, as shown in the embodiment of the drawings, the elastic ruler 500 is located on the inner side surface of the clamping arm 402, when the elastic ruler 500 is aligned with a cylinder at a fixed position, the main structure of the elastic ruler 500 is a sheet structure made of spring steel, the cross section of the elastic ruler is an arc structure with a concave middle and two upward sides, the sheet steel is also called a clap ring/snap ring memory sheet steel, the memory form of the sheet steel is an annular inward-rolling structure, then a press machine is adopted to press the structure with the concave middle and the two upward sides, so that the sheet steel keeps the balance of a linear state under the action of internal stress, when the balance is broken, the sheet steel is rolled by itself, and the material is manganese steel as the best choice.
In the above embodiment, the elastic ruler 500 is disposed along the length direction of the inner sidewall of the clamping arm 402, a recessed hidden slot is disposed at the clamping arm 402 corresponding to the elastic ruler 500, the elastic ruler is used for storing the elastic ruler 500, the elastic ruler 500 is arranged into a two-layer layered structure and comprises an integrated layer 502 and an elastic layer 502, the base layer 501 and the elastic layer 502 are mutually attached and fixedly connected, preferably, the elastic layer 502 and the base layer 501 are fixedly bonded, internal stress change caused by heating deformation in the welding process is avoided, the elastic layer 502 is of a structure with a thick middle part and thin edges, the elastic modulus of the elastic layer 502 is smaller than that of the base layer 501, because the elastic modulus of the elastic layer 502 is small, when the elastic layer 502 is impacted by external force, the elastic layer 502 is easier to deform, and the elastic layer 502 is more sensitive to the external force when being self-wound, and has quick response, and finally, the effect of quick installation is realized.
In the above embodiment, when the elastic ruler 500 is installed and used specifically, one end of the elastic ruler 500 is a free end, and the other end is fixedly connected to the contact 503, the contact 503 is an optical axis structure, a mounting hole for the contact 503 is provided at a corresponding position of the clamping arm 402, a sliding fit is formed between the contact 503 and the clamping arm 402, and the contact 503 is elastically matched with the clamping arm 402, the contact 503 can perform an elastic action relative to the clamping arm 402, one end of the contact 503 exceeds the surface of the elastic ruler 500, when the contact 503 is pressed, the contact 503 retracts and drives one end of the elastic ruler 500 to sink, a sinking groove 504 is provided on the clamping arm 402 corresponding to the mounting position of the contact 503, when the contact 503 drives the end of the elastic ruler 500 to sink, the edge of the sinking groove 504 blocks the elastic ruler 500, so that the elastic ruler 500 deforms at the edge of the sinking groove 504, thereby breaking the stress leveling inside the elastic ruler 500, and, when the communication box is installed on the occasion of splicing a plurality of desk bodies, gaps are formed among a plurality of desk legs of the desk bodies, the clamping arms 402 can enter the gaps after the posture is adjusted and form clamping with the columns by means of elastic force between the clamping arms 402 and the rotating arms 401, and when the gaps between the clamping arms 402 face a single-column structure or the columns exceed the assumed range of the clamping arms 402, the elastic ruler 500 can be used for self-winding to form fixing.
In the above embodiment, the elastic layer 502 of the elastic rule 500 is a split structure, and includes an initiation section 505 and an inertia section 506, the middle portion of the initiation section 505 is fixedly connected to the contact 503, and both end portions of the initiation section 505 exceed the end position of the sinking groove 504, so as to form a structure in which the initiation section 505 inevitably self-rolls when the contact 503 sinks, and a thin gap is provided between the initiation section 505 and the inertia section 506, when the initiation section 505 self-rolls, the initiation section 505 drives the end position of the base layer 501 to deform, thereby breaking the internal stress balance of the base layer 501, the base layer 501 self-rolls and drives the inertia section 506 to move, the inertia section 506 further self-rolls under the resistance and the self-rolling action of the base layer 501, so as to improve the self-rolling effect of the elastic layer 502, if the elastic layer 502 is an integral structure, after the steel sheet of the elastic layer 502 is used for a period of time, after the internal stress is released, the situation that one part is easy to deform, and the other part can be rolled by force, the sensitivity of self-rolling is low, the triggering section 505 of the elastic layer 502 of the split type structure inevitably can be rolled by force due to the contact 503, the inertia section 506 can be rolled by external force by virtue of the self-rolling of the base layer 501 and the inertia force formed by overturning, the self-rolling probability is improved, and the using effect is better.
In the above example, as shown in the embodiment of the figure, the outer surface layer of the elastic ruler 500 is wrapped with the silica gel layer 507, the outer surface of the silica gel layer 507 is uniformly provided with the protrusions 508 protruding from the surface, and the silica gel may also be made of other flexible materials with a relatively large friction factor, so as to protect the elastic ruler 500 on one hand, and enhance the friction between the elastic ruler 500 and the column on the other hand, thereby facilitating the fixation.
When the device is used specifically, a network line to be connected is fixed in the bayonet 201, the limiting block 200 is in a sliding-out state and is not locked with the locking block 302, then the gland 300 is closed, the limiting block 200 is pushed, the limiting block 200 drives the network line to move towards the installation groove until the crystal head enters the installation groove to be inserted, the locking plate 601 just enters the lock hole to be locked, the position of the crystal head is fixed by the locking plate 601, and when the line is moved, the crystal head can move under the limiting action of the limiting block 200 all the time, so that the connection reliability of the crystal head is ensured; the circuit still is in the stage of setting up side by side this moment, buckle respectively each network straight line this moment fixedly through ply-yarn drill 700, realize that the network circuit concentrates on all the way, perhaps reduce the distance between each circuit through buckling, the most ideal state is, each circuit closely distributes side by side then lies in wire casing 701 and cooperates the snap ring that utilizes elastic force or bat chi/snap chi deformation formation between arm lock 402 and the swinging boom 401 simultaneously and realizes the fixed to the communication box, can conveniently be used for the table body or the wall body department that have the cylinder structure, the installation is convenient and firm fast.
According to the invention, by setting the length of the sliding chute 104, the line plugging part is pressed by the gland 300, the gland 300 can be directly matched with the adapter box, the adapter box can be in a right-angle shape, each line is bent to form a right angle at the moment, the bent part is arranged at the end part of the sliding chute 104, the connection part of the crystal head is avoided, and the connection structure is prevented from being damaged; in addition, each line can be used as a main line by a sideline, and the rest lines are bent at the sliding groove 104, close to the main line and keep parallel, so that the matching with the wire slot 701 is still facilitated, and the lines can be directly concentrated through the line card 700, collected to the main line and then matched with the wire slot 701; in addition, when the circuit is plugged, the crystal head can be directly driven by the limiting block 200, the crystal head is prompted to be inserted into the mounting groove by the limiting block 200, the connection of the crystal head is achieved, the connection is rapid, the crystal head is locked by the locking plate 601, the purpose of preventing the crystal head from loosening is achieved, and the phenomenon that the position of the crystal head is frequently changed when the network is maintained is avoided.