CN218953930U - Damping connector - Google Patents

Abstract

The utility model belongs to the field of offshore photovoltaic auxiliary equipment, and specifically relates to a damping connector, which includes a hinge, a flexible buffer, an external connection and a fixed hinge assembly. The hinge includes a middle part and a movable hinge part, and the middle part is Cylindrical structure, the movable hinge part is spherical, and a tapered transition part is formed between the middle part and the movable hinge part; the flexible buffer part is sleeved on the outside of the middle part; the external parts are located at both ends of the flexible buffer part, and the external part A connection cavity is formed, and each movable hinge part is connected to the corresponding connection cavity through a fixed hinge component; a movable cavity is formed in the fixed hinge component, and the movable hinge part is hinged to the movable cavity; between adjacent photovoltaic panel groups Under the action of wind and waves, joint interaction occurs, the movable hinge part rotates in the movable inner cavity, and the flexible buffer provides buffering for the interaction between adjacent photovoltaic panels, reducing the transmission of shaking between adjacent photovoltaic panels.

Description

Damping connector

technical field

The invention belongs to the technical field of marine engineering, and in particular relates to a damping connector.

Background technique

In recent years, solar photovoltaic power generation has developed rapidly as a green, clean and renewable energy source. Photovoltaic power generation uses solar cells to directly convert sunlight energy into electrical energy based on the principle of photovoltaic effect. It is mainly composed of solar panels (components), controllers and The inverter consists of three parts.

Onshore photovoltaic power generation occupies a large area of land, and is generally arranged in desert areas, far away from the power consumption center, which increases the transmission cost and requires the establishment of transmission equipment along the line, which restricts the development of photovoltaic power generation.

In order to solve the contradiction between the scarcity of land resources in power consumption centers and the development of photovoltaic power stations, floating photovoltaics have developed rapidly in recent years. Floating photovoltaics do not occupy land resources and have higher power generation efficiency. They can be built in sea areas close to power consumption centers .

Floating photovoltaic power generation is less affected by the depth of the sea area, and can make the most of the sea area. Since the offshore floating power generation system is set on the sea level, it will shake and swing under the action of wind and waves. Collisions will occur and the larger the size of the photovoltaic system, the greater the sloshing of wind and waves acting on it.

In order to avoid the excessive impact of wind and waves on the offshore photovoltaic platform and reduce the interaction between photovoltaic panels, damping devices need to be installed between photovoltaic discharge panels. Weak, in addition, due to long-term offshore operations, seawater and wind erosion affect the service life of the damping device, the service life of the traditional damping device is low, and the maintenance frequency increases, which affects the power generation efficiency.

Contents of the invention

The purpose of the present invention is to provide a damping connector to solve the problem that in the offshore photovoltaic system existing in the prior art, the photovoltaic panels collide with each other under the action of wind and waves, which affects the service life of the photovoltaic panels, and the overall size of the photovoltaic system is restricted. The existing damping device has poor anti-corrosion effect, low service life, and affects power generation efficiency and other problems.

In order to realize above-mentioned utility model purpose, the utility model adopts following technical scheme to realize:

The utility model proposes a damping connector, which includes:

A hinge, which includes a middle part and a living hinge part formed at both ends of the middle part, the middle part is a cylindrical structure, the living hinge part is spherical, and a joint is formed between the middle part and the living hinge part. have a tapered transition;

a flexible buffer, which is sleeved on the outside of the middle part;

The outer joints are respectively located at both ends of the flexible buffer, and are coaxially connected to the hinge with the flexible buffer. The outer joints are formed with an axially penetrating connection inner cavity, and each of the movable The hinge parts are respectively connected to the corresponding connecting cavity through the fixed hinge assembly;

The fixed hinge assembly has a movable inner cavity formed therein, and the movable hinge part is hinged into the movable inner cavity.

In some embodiments of the present application, the fixed hinge assembly includes an end hinge part and a peripheral hinge part, the end hinge part is located at the outer end of the movable hinge part, and the peripheral hinge part is dispersedly formed on the On the peripheral side of the living hinge part, the end surface hinge part and each of the peripheral side hinge parts enclose a movable inner chamber matching the shape of the living hinge part.

In some embodiments of the present application, a connecting claw is formed on the side where the end surface hinge part is in contact with the living hinge part, and a limit buckle extending toward the centerline is formed at the end of the connecting claw;

A plurality of radial installation passages are formed on the outer joint, the peripheral hinge part is connected in the installation passage, and the end of the peripheral hinge part extends between the connecting claws;

The peripheral hinge part includes an outer hinge part and a hollow inner hinge part, and one end of the inner hinge part extending into the connecting cavity is formed with an arc-shaped hinge end. In the installed state, the movable hinge part is located at the In the movable inner cavity formed by the connecting claw and the arc-shaped hinged end.

In some embodiments of the present application, the end hinge part is further connected with a positioning part, and the positioning part includes a positioning ring connected to the end hinge part and a positioning plate extending toward the inner hinge part. A positioning hole is formed on the positioning plate, and the positioning plate is connected to the inner hinge part through a positioning pin to fix the hinge part on the end surface.

In some embodiments of the present application, the outer connection part includes a first outer connection part and a second outer connection part separated by a tangent plane passing through the center line, and the first outer connection part and the second outer connection part are detachable connect.

In some embodiments of the present application, in each of the connecting cavities, a closure member, a support frame, an anti-collision member and a sealing assembly are coaxially connected between the fixed hinge assembly and the flexible buffer member.

In some embodiments of the present application, the sealing assembly includes a sealing sleeve disposed between the closure and the hinge, the sealing sleeve is tapered, and extends from the living hinge to the The direction of the middle portion tapers.

In some embodiments of the present application, the closure includes a closed end cap and a closed gland connected coaxially, and a rubber pad is formed between the closed end cap and the hinge;

A partitioned inner wall extending toward the center is formed in the connecting cavity, and the closed end cap and the closed gland are fixed on the partitioned inner wall by fasteners;

The flared end of the sealing sleeve is formed with a sealing outer edge, and the sealing outer edge is connected between the sealing end cap and the sealing gland;

The constricted end of the sealing sleeve is sleeved on the outer periphery of the transition part in a transition fit manner.

In some embodiments of the present application, a connection end cover is detachably connected to the inner end surface of the outer connecting member through fasteners, and an annular seal is formed between the connection end cover and the middle part, and the connection The side of the end cap in contact with the inner end surface is formed with an annular groove, the outer peripheral portion of the annular seal is connected in the groove, and the inner peripheral portion of the annular seal is interference fit in the middle Ministry;

Thread segments are formed on both the sealing sleeve and the sleeve annular seal.

In some embodiments of the present application, an auxiliary buffer is connected between the two external parts, which includes external flanges that are sleeved on the external parts in one-to-one correspondence and connected between the two external flanges. Multiple elastic drawcords between.

Compared with prior art, advantage and positive effect of the present utility model are:

In the damping connector involved in this application, the external connectors at both ends are respectively used to connect with adjacent photovoltaic panel groups, and the movable hinge parts at both ends of the hinge move in the movable inner cavity formed in the fixed hinge assembly. Under the action of wind and waves, adjacent There is a joint interaction between the photovoltaic panel groups, and the movable hinge rotates in the movable inner cavity. At the same time, when the photovoltaic panel group shakes, the damping connector can restrain the shaking generated by it, reduce the transmission of shaking, and avoid Collision between adjacent photovoltaic panel groups is beneficial to protect the entire photovoltaic system and reduce its damage;

In the connection cavity, anti-collision parts and sealing components are also arranged between the fixed hinge component and the flexible buffer. Separate the connection cavity from the outside world, prevent seawater from entering the interior, prevent seawater from corroding various components in the connection cavity, improve the service life of the damping connector, reduce maintenance costs, and improve power generation efficiency.

After reading the specific implementation of the utility model in conjunction with the accompanying drawings, other features and advantages of the utility model will become clearer.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic diagram of the external structure of an embodiment of the damping connector proposed by the present invention;

Fig. 2 is a schematic cut-away structure diagram of the damping connector proposed by the present invention;

Fig. 3 is a structural schematic diagram of a hinge;

Fig. 4 is a disassembled schematic view of the damping connector proposed by the present invention;

Fig. 5 is a schematic diagram of the structure of an external connector;

Fig. 6 is a schematic diagram of the position of the connecting cavity in the external connector;

Fig. 7 is a schematic structural diagram of the first external connector;

Fig. 8 is a schematic structural diagram of a second external connector;

Fig. 9 is a schematic diagram of the connection position of the fixed hinge assembly;

Fig. 10 is a schematic diagram of the connection state of the end face hinge part and the peripheral side hinge part;

Fig. 11 is a schematic diagram of the structure of the end face hinge;

Fig. 12 is a structural schematic diagram of the positioning unit;

Figure 13 is a schematic diagram of the connection between the peripheral hinge and the movable hinge;

Figure 14 is a schematic diagram of disassembly of the peripheral side hinge;

Fig. 15 is a schematic diagram of the structure of the inner hinge;

Figure 16 is a front view of the damping connector;

Fig. 17 is a sectional view of A-A in Fig. 16;

Figure 18 is a schematic structural view of the sealing sleeve;

Fig. 19 is a structural schematic diagram of a support frame;

Fig. 20 is a schematic diagram of the working state of the damping connector;

In the figure,

10. Damping connector;

20. Photovoltaic panels;

21. Substrate;

22. Connect the base;

30. Airbag group;

100, hinges;

110. Middle part;

120. Active hinge;

130. Transition Department;

200, external connection piece; 201, the first connecting cavity; 202, the second connecting cavity; 203, the installation channel; 204, the inner end surface; 205, the partition inner wall;

210, the first external connection part; 211, the positioning protrusion;

220, the second external connection part; 221, the positioning groove;

300. Fix the hinge assembly;

310, the hinged part of the end surface; 311, the positioning cutting ring; 312, the connecting claw; 313, the limit buckle; 314, the hinge groove; 315, the positioning cutting surface;

320. Peripheral side hinges;

321, inner hinge part; 3211, positioning slot; 3212, arc hinged end; 3213, positioning port;

322. Outer hinge part;

323, gasket;

324, positioning pin;

330, positioning part; 331, positioning ring; 332, positioning plate; 333, positioning hole;

400. Flexible buffers;

500. Sealing component;

510, sealing sleeve; 511, flaring end; 512, shrinking section;

520, ring seal;

600, closure

610, closed end cap;

620. Close the gland;

630, rubber pad;

700, connect the end cover;

800. Anti-collision parts;

900. Auxiliary buffer parts;

910, external flange; 920, elastic pull cord;

1000, support frame;

1100, support end face; 920, support stand; 930, reinforcement part.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

In the description of this application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the application.

The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected, may be directly connected, or may be indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "under" and "under" the first feature under the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the level of the first feature is smaller than that of the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed.

As shown in FIGS. 1-3 , the present application proposes a damping connector 10 , which includes a hinge 100 that serves as the basis for connection, external connectors 200 connected to both ends of the hinge 100 , and two external connectors 200 The flexible buffer 400 between them and the fixed hinge assembly 300 for connecting the outer joint 200 and the hinge 100 .

The hinge 100 includes a middle part 110 and living hinge parts 120 located at both ends of the middle part 110, the middle part 110 is cylindrical, the living hinge part 120 is spherical, and the radius of the living hinge part 120 is smaller than the middle part 110, and the middle part 110 and the movable A tapered transition portion 130 is formed between the hinge portions 120 .

The flexible buffer 400 is sleeved on the outer side of the hinge 100. Specifically, the flexible buffer 400 is coaxially connected to the outer side of the middle part 110. The flexible buffer 400 is made of elastic materials such as rubber. During the moving process, the flexible buffer member 400 can play the role of vibration damping and buffering.

The movable hinges 120 are respectively hinged in the outer joints 200 through the fixed hinge assemblies 300 , and the outer joints 200 are used to connect with an external work piece. In an offshore photovoltaic system, the external work piece is a photovoltaic panel group 20 .

As shown in Figure 20, the photovoltaic panel group 20 includes a substrate 21 and a plurality of photovoltaic panels 23 arranged on the substrate 21, a connection base 22 is formed on the peripheral side of the substrate 21, and a connection port is provided on the connection base 22 for damping connection. The external connectors 200 at both ends of the device 10 are connected to the connection ports.

The photovoltaic panel group 20 on the offshore photovoltaic system is affected by wind and waves, and fluctuates and deviates on the sea surface. The damping connector 10 connected to each other can play a role of vibration reduction and buffering. When connecting the photovoltaic panel group 20 , reduce the transmission of vibration between the photovoltaic panel groups 20, and improve the stability of the photovoltaic system.

As shown in Figures 5-8, an axially penetrating connection cavity is formed in the outer joint 200, the fixed hinge assembly 300 is connected to the connection cavity, and a movable cavity is formed in the fixed hinge assembly 300, and each movable hinge part 120 is respectively It is connected to the corresponding movable inner cavity through a fixed hinge assembly 300 .

A partition inner wall 205 perpendicular to the axial direction is formed in the connection lumen, and the partition inner wall 205 divides the connection lumen into a first connection lumen 201 and a second connection lumen 202 along the circumferential direction. The second connecting lumen 202 is located on the outside of the connector 200. In the installed state, the second connecting lumen 202 is close to the middle part 110, and the inner diameter of the second connecting lumen 202 is larger than the first connecting lumen 201.

In the installed state, the movable hinge part 120 respectively goes along to the first connection cavity 201 in the outer connection part 200 on both sides, and the fixed hinge assembly 300 is also connected in the first connection cavity 201 .

As shown in FIGS. 2 and 4 , in the second connecting cavity 202 , a closure member 600 , a support frame 700 , an anti-collision member 800 and a seal assembly 500 are coaxially connected between the fixed hinge assembly 300 and the flexible buffer member 400 .

The closure member 600 is used to fix the sealing assembly 500, and the anti-collision member 800 is used to prevent the hinge member 100 from colliding with the side wall of the second connecting cavity 202 during the movement, so as to play the role of vibration reduction and buffering.

The support frame 700 is used to support the installation gap formed between the anti-collision member 800 and the closure member 600, so that the connection is tight.

The anti-collision member 800 is made of rubber or other elastic material, which can prevent the hinge member 100 from colliding with the inner wall of the second connecting cavity 202 during movement.

The sealing assembly 500 is used to divide the second connecting cavity 202 into a sealed cavity to prevent external seawater from entering the second connecting cavity 202 and prevent seawater from corroding various working parts in the second connecting cavity 202 .

As shown in FIGS. 9-15 , in some embodiments of the present application, the fixed hinge assembly 300 specifically includes an end hinge part 310 and a peripheral hinge part 320 , and the end hinge part 310 is connected from the end of the outer joint part 200 to the first In the connection cavity 201 , an arc-shaped hinge groove 314 is formed at one end of the end surface hinged portion 310 connected to the first connection cavity 201 for connecting with the movable hinge portion 120 .

The peripheral side hinges 320 are dispersedly formed on the peripheral side of the living hinge 120, and the ends of the peripheral hinges 320 are also connected to the first connection cavity 201, and the ends connected to the first connection cavity 201 are formed There is a concave curved hinged end 3212 .

The hinge groove 314 on the end surface hinge portion 310 and the arc-shaped hinge ends 3212 on each peripheral hinge portion 320 enclose a movable inner chamber matching the shape of the movable hinge portion 120 .

In the installed state, the movable hinge part 120 is hinged in the movable inner cavity, providing a rotation basis for the hinge 100 .

Specifically referring to FIG. 11 , in order to fix the axial direction of the end hinged part 310 , a connecting claw 312 is formed on the side of the end hinged part 310 in contact with the movable hinged part 120 , and the end of the connecting claw 312 is formed with a limit extending toward the center line. bit buckle 313 .

A plurality of radial installation passages 203 are formed on the outer connector 200, the number of installation passages 203 is equal to the number of connecting claws 312, the installation passages 203 communicate with the gaps between the adjacent connecting claws 312, and the peripheral hinges 320 Connected in the installation channel 203 , the ends of the peripheral hinge parts 320 extend to between adjacent connecting claws 312 .

The peripheral side hinge part 320 is formed with a positioning slot 3211 adapted to the shape of the cut surface of the limit buckle 313. During installation, the peripheral side hinge part 320 is inserted into the inner side of the connecting claw 312, and the limit buckle 313 snaps into place. At the position of the positioning slot 3211 , the connection is accurate, and the axial position of the end hinged part 310 is restricted to prevent the end hinged part 310 from coming out of the first connecting cavity 201 during the working process.

In order to reduce the weight of the entire damping connector 10, the peripheral hinge portion 320 includes an outer hinge portion 322 and a hollow inner hinge portion 321. During installation, the inner hinge portion 321 is first connected to the installation channel 203, and then the outer hinge portion 322 is plugged into the inner hinge part 321.

Specifically referring to FIG. 9 and FIG. 12 , in order to further fix the relative positions of the end hinge 310 and the peripheral hinge 320 and prevent loosening during operation, the end hinge 310 is also connected with a positioning portion 330 .

A circumferential positioning tangent ring 311 and an axial positioning tangent surface 315 are formed on the outside of the end hinged part 310. The positioning part 330 includes a positioning ring 331 connected to the end hinged part 310 and a positioning plate 332 extending inwardly to the hinged part 321. The ring 331 is crimped on the positioning cutting ring 311, the positioning plate 332 extends forward from the positioning cutting surface 315, and a positioning opening 3213 is formed on the peripheral hinge part 320. After the positioning plate 332 passes through the positioning cutting surface 315, the end extends from the positioning opening 3213 to Inside the hollow hinge.

A positioning hole 333 is formed on the positioning plate 332 , and the positioning plate 332 is connected to the inner joint portion through a positioning pin 324 to fix the end hinge portion 310 .

The positioning hole 333 is semicircular, and the positioning pin 324 is semi-cylindrical, with a positioning plane formed thereon. In the installed state, the positioning plane on the positioning pin 324 is in contact with the inner wall of the cavity on the inner hinge part 321 .

Specifically referring to Fig. 14, in order to further fix the position of the positioning pin 324, a gasket 323 is also provided between the outer hinge part 322 and the inner hinge part 321, and one of the functions of the gasket 323 is to block the positioning pin 324 in the inner hinge part 321 , the second is to adjust the height of the outermost side of the outer hinge part 322 to make it flush with the outer surface of the outer joint 200 .

Specifically referring to FIGS. 16-18 , the sealing assembly 500 includes a sealing sleeve 510 disposed between the closure 600 and the hinge 100 , the sealing sleeve 510 is tapered, along the direction from the living hinge 120 to the middle portion 110 tapered.

The sealing sleeve 510 includes a flaring end 511 and a constricting section 512 , the flaring end 511 of which is connected to the closure 600 , and the constricting end is directly connected to the transition portion 130 of the hinge 100 .

Referring to Fig. 4 and Fig. 17, the closure member 600 specifically includes a coaxially connected closure end cap 610 and a closure gland 620, the closure end cap 610 is connected to the end of the partition inner wall 205, and the partition inner wall 205 is formed with an inward connection to the first connection. The installation slope is inclined in the direction of the cavity 201, and the end face matching the installation slope is formed on the closed end cover 610, so as to improve the accuracy and sealing of the connection.

A rubber pad 630 is formed between the closed end cap 610 and the transition portion 130 of the hinge 100. The rubber pad 630 is conducive to buffering and anti-collision during the movement of the hinge 100, and prevents the hinge 100 from colliding with the closed end cap 610. collide with each other and cause damage.

The outer periphery of the rubber pad 630 is formed with a connecting rim, and the closed end cap 610 is formed with a connecting inner groove matching the connecting rim, which is used to limit the position of the rubber pad 630 and prevent displacement.

The closed end cap 610 and the closed gland 620 are fixed on the partition inner wall 205 by fasteners. On the end faces of the closed end cap 610 and the closed gland 620, a plurality of fastening holes are scattered along the circumference, and the partition inner wall 205 There are also connecting holes corresponding to each fastening hole one by one, and the fasteners pass through the corresponding fastening holes to connect into the connecting holes, so as to compress and connect the closed end cap 610 and the closed gland 620 to the partition inner wall 205 .

The flaring end 511 of the sealing sleeve 510 is formed with a sealing outer edge, and an end surface of the sealing gland 620 connected with the sealing end cap 610 is formed with a concave sealing groove, and the sealing outer edge is connected in the sealing groove, and the sealing The flared end 511 of the sleeve 510 is fixed between the closure end cap 610 and the closure gland 620 .

Referring to FIG. 18 , the shrinking end of the sealing sleeve 510 is sleeved on the outer periphery of the transition portion 130 in a transition fit manner, and a threaded section is formed on the sealing sleeve 510 . During the movement of the hinge 100 , the threaded section can be a sealing sleeve The barrel 510 provides a certain amount of deformation, prevents the sealing sleeve 510 from being pulled, broken or separated, and provides a stable sealing effect.

In order to improve the stability of the position of the anti-collision member 800, positioning teeth are formed on the outer periphery of the anti-collision ring. In the state, the positioning teeth are connected to the default tooth slots in one-to-one correspondence.

Referring to FIG. 19 , in some embodiments of the present application, the support frame 1000 between the closure 600 and the bumper 800 is ring-shaped, and is used to clamp the bumper 800 between the closure 600 and the connecting end cap 700 .

In order to reduce the weight, the support frame 1000 includes two annular support end surfaces 1100, and the two support end surfaces 1100 are connected by a support stand 920. Each support end surface 1100 is also formed with a reinforcing part 930 for the contact connection between them, and the reinforcing part 930 may be a strip-shaped or ring-shaped or other shaped reinforcing rib 413 .

Referring to Fig. 2 and Fig. 5 again, the end of the external connection member 200 close to the flexible buffer member 400 is an inner end face 204, and a connecting end cover 700 is detachably connected to the inner end face 204 by fasteners, and the sealing assembly 500 also includes a sealing ring, a ring The seal 520 is located between the connecting end cap 700 and the middle part 110 .

The annular seal 520 is used to seal the end of the second connecting cavity 202 and provide a limit for the flexible buffer 400 . The side of the connecting end cover 700 in contact with the inner end surface 204 is formed with an annular groove. The annular seal 520 The outer peripheral portion of the ring seal 520 is connected in the slot, and the inner peripheral portion of the annular seal 520 is interference-fitted on the middle portion 110 .

The annular seal 520 is also formed with a threaded segment, which provides a movement amount during the movement of the hinge 100 , ensures the freedom of movement of the hinge 100 , and provides a stable seal to the end of the second connecting cavity 202 .

Referring again to FIGS. 1-4 , an auxiliary buffer 900 is also connected between the two external connectors 200 , which includes external flanges 910 correspondingly sleeved on the external connectors 200 and connected between the two external flanges 910 . A plurality of elastic pull cords 920 between them.

In order to improve assembly efficiency, the connecting end cover 700 and the external flange 910 can also be designed as an integral structure.

The elastic pull cord 920 and the flexible buffer 400 together provide a buffering effect and a restoring force when the photovoltaic panel group 20 fluctuates, so as to alleviate the impact and reduce the impact when the relative displacement collides.

The inner side of the external flange 910 is formed with a slit. Correspondingly, the outer circumference of the connecting end cover 700 is slightly larger than the outer circumference of the external connecting piece 200. In the connected state, the slit on the external flange 910 is crimped on the connecting end cover 700 to play a role. Limiting effect.

In some embodiments of the present application, in order to facilitate installation, the external connection part 200 is divided into a first external connection part 210 and a second external connection part 220 by a tangent plane passing through the center line, and the first external connection part 210 and the second external connection part 220 are detachably connected .

Referring to Fig. 7 and Fig. 8 again, the first outer connection part 210 and the second outer connection part 220 are both semi-cylindrical structures, the outer wall of the first outer connection part 210 is provided with a plurality of first fixing holes along the axial direction, and the second outer connection part A second fixing hole matching each fixing hole is formed on the part 220 to realize the detachable connection between the first outer connection part 210 and the second outer connection part 220 .

In order to improve the accuracy of positioning, the first outer connection part 210 is formed with a positioning protrusion 211 extending toward the second outer connection part 220, and the second outer connection part 220 is formed with a positioning groove 221 matching the positioning protrusion 211. , to improve the accuracy of the connection.

The specific installation process is:

Connect the rubber pad 630 to the inner side of the closed end cap 610, and then connect the closed end cap 610 on both sides, the sealing sleeve 510, the closed gland 620, the anti-collision member 800, the ring seal 520, and the connecting end cap 700 on the hinge On the outside of the hinge 100 , the flexible buffer 400 is also sleeved on the outer periphery of the hinge 100 and located between the two connecting end caps 700 .

The flexible buffer 400 can be a closed ring or have a cutout for easy installation.

The two living hinge parts 120 on the hinge part 100 are connected between the connecting claws 312 of the end hinge part 310 .

The pre-installed above-mentioned components are installed into the connection inner chamber of the external connection part 200 from the tangential direction of the first external connection part 210 .

Subsequently, the second outer connection portion 220 is fixedly connected to the first outer connection portion 210, the closed end cap 610 and the sealing gland 620 are connected and fixed to the partition inner wall 205 of the second outer connection portion 220, and the sealing sleeve 510 is fixed on the closed end cap Between 610 and sealing gland 620 , the constricted end of sealing sleeve 510 is connected to transition part 130 by interference fit.

The anti-collision member 800 is connected to the side wall of the second connecting cavity 202 in turn, the connecting end cover 700 is fixed on the inner end surface 204 of the outer connecting member 200, and the ring seal 520 is connected to the inner surface of the connecting end cover 700 and the outer connecting member 200. Between the end faces 204.

In order to improve the sealing effect, sealing rings may also be provided at both ends of the flexible buffer member 400 after the connecting end cover 700 is connected, so as to realize preliminary sealing with external sea water.

Install the inner hinge part 321 of the peripheral side hinge part 320 into the installation channel 203, and push the positioning part 330 from the end of the outer joint part 200 into the first connection cavity 201 through the positioning opening 3213 on the peripheral side hinge part 320 Then, insert the positioning pin 324 into the positioning hole 333 from the inner cavity of the inner hinge part 321 .

Then the gasket 323 and the outer hinge part 322 are connected to the outer sides of the inner hinge part 321, respectively.

Finally, the outer flanges 910 are respectively sleeved on the corresponding outer connectors 200 , and a plurality of elastic pull cords 920 are connected between the two outer flanges 910 along the circumferential direction to realize the connection of the entire damping connector 10 .

After the damping connector 10 is installed, the external connectors 200 at both ends are respectively plugged into the installation structure below the corresponding photovoltaic panel group 20 to realize the connection and fixation between the damping connector 10 and the photovoltaic panel group 20 .

In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in an appropriate manner.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily imagined by those skilled in the art within the technical scope disclosed in the present invention shall be covered. Within the protection scope of the present invention, therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims (10)

1. A damping connector, comprising:

the hinge piece comprises a middle part and movable hinge parts formed at two ends of the middle part, the middle part is of a cylindrical structure, the movable hinge parts are spherical, and a tapered transition part is formed between the middle part and the movable hinge parts;

the flexible buffer piece is sleeved outside the middle part;

the external connecting pieces are respectively positioned at two ends of the flexible buffer piece and are coaxially connected with the flexible buffer piece on the hinge pieces, connecting inner cavities penetrating axially are formed in the external connecting pieces, and the movable hinge parts are respectively connected into the corresponding connecting inner cavities through fixed hinge assemblies;

a stationary hinge assembly having a movable lumen formed therein, the movable hinge being hinged into the movable lumen.

2. The damping connector of claim 1, wherein,

the fixed hinge assembly comprises an end surface hinge part and a peripheral side hinge part, the end surface hinge part is positioned at the outer end of the movable hinge part, the peripheral side hinge part is formed on the peripheral side of the movable hinge part in a scattered manner, and the end surface hinge part and each peripheral side hinge part enclose a movable inner cavity which is matched with the shape of the movable hinge part.

3. The damping connector of claim 2, wherein,

a connecting claw is formed at one side of the end surface hinge part, which is contacted with the movable hinge part, and a limiting buckle extending towards the central line direction is formed at the tail end of the connecting claw;

the outer connector is provided with a plurality of radial mounting channels, the peripheral side hinge parts are connected in the mounting channels, and the tail ends of the peripheral side hinge parts extend to between the connecting claws;

the circumference side hinge part comprises an outer hinge part and a hollow inner hinge part, one end of the inner hinge part extending into the connecting cavity is provided with an arc hinge end, and the movable hinge part is positioned in the movable cavity formed by the connecting claw and the arc hinge end under the installation state.

4. A damping connector as defined in claim 3, wherein,

the end face hinge part is also connected with a positioning part, the positioning part comprises a positioning ring connected to the end face hinge part and a positioning plate extending towards the inner hinge part, a positioning hole is formed in the positioning plate, and the positioning plate is connected to the inner hinge part through a positioning pin to fix the end face hinge part.

5. The damping connector of claim 1, wherein,

the external connection piece comprises a first external connection part and a second external connection part which are separated by a tangent plane passing through the central line of the external connection piece, and the first external connection part is detachably connected with the second external connection part.

6. The damping connector of claim 1, wherein,

and a sealing element, a supporting frame, an anti-collision element and a sealing element are coaxially connected between the fixed hinge assembly and the flexible buffer element in each connecting cavity.

7. The damping connector of claim 6, wherein,

the seal assembly includes a seal sleeve disposed between the closure and the hinge, the seal sleeve being tapered in a direction from the living hinge to the intermediate portion.

8. The damping connector of claim 7,

the sealing piece comprises a sealing end cover and a sealing gland which are coaxially connected, and a rubber pad is formed between the sealing end cover and the hinge piece;

a separation inner wall extending towards the center direction is formed in the connecting inner cavity, and the closed end cover and the closed gland are fixed on the separation inner wall through fasteners;

the flaring end of the sealing sleeve is provided with a sealing outer edge which is connected between the closed end cover and the closed gland;

the necking end of the sealing sleeve is sleeved on the periphery of the transition part in a transition fit mode.

9. The damping connector of claim 8, wherein,

the connecting end cover is detachably connected to the inner end face of the external connecting piece through a fastener, an annular sealing piece is formed between the connecting end cover and the middle part, an annular clamping groove is formed on one side, in contact with the inner end face, of the connecting end cover, the outer peripheral part of the annular sealing piece is connected into the clamping groove, and the inner peripheral part of the annular sealing piece is in interference sleeving connection with the middle part;

the seal sleeve and the annular seal are each formed with a threaded section.

10. The damping connector of claim 1, wherein,

an auxiliary buffer part is further connected between the two external connecting parts and comprises external connecting flanges which are sleeved on the external connecting parts in a one-to-one correspondence mode and a plurality of elastic pull ropes connected between the two external connecting flanges.

Images