阅读说明：本技术 一种卡扣式连接器防水保护盒 (Waterproof protection box of buckle type connector ) 是由 段正刚 于 2019-10-23 设计创作，主要内容包括：本发明提供一种卡扣式连接器防水保护盒,所述保护盒包括上盒盖、上密封件、下盒盖及下密封件,所述上盒盖的内部设有第一凹槽,所述下盒盖的内部设有第二凹槽,所述上密封件适配于所述第一凹槽,所述下密封件适配于所述第二凹槽；所述上盒盖的四周设有卡件,所述下盒盖的四周设有与所述卡件相对应的卡扣,所述上盒盖和所述下盒盖通过所述卡件和所述卡扣卡合。本发明的连接器防水保护盒安装便捷,密封性能优异,满足了户外光伏系统用连接器防护修复的快速与便捷性,提高了电连接的可靠与安全性,显著降低了维护成本,减少了工程浪费。(The invention provides a waterproof protection box of a buckle type connector, which comprises an upper box cover, an upper sealing element, a lower box cover and a lower sealing element, wherein a first groove is formed in the upper box cover; the novel box is characterized in that clamping pieces are arranged on the periphery of the upper box cover, buckles corresponding to the clamping pieces are arranged on the periphery of the lower box cover, and the upper box cover and the lower box cover are clamped through the clamping pieces and the buckles. The waterproof protection box for the connector is convenient to install and excellent in sealing performance, meets the requirements of rapidness and convenience in protection and repair of the connector for an outdoor photovoltaic system, improves the reliability and safety of electric connection, obviously reduces maintenance cost and reduces engineering waste.)

1. A waterproof protection box for a buckle type connector is characterized in that the protection box comprises an upper box cover, an upper sealing element, a lower box cover and a lower sealing element, wherein a first groove is formed in the upper box cover, a second groove is formed in the lower box cover, the upper sealing element is matched with the first groove, and the lower sealing element is matched with the second groove; a plurality of clamping pieces are arranged around the edge of the upper box cover, buckles corresponding to the clamping pieces are arranged around the edge of the lower box cover, and the upper box cover and the lower box cover are clamped through the clamping pieces and the buckles;

the two ends of the upper box cover are respectively provided with a first lengthened end, the width of the first lengthened end is narrower than that of the upper box cover, the two ends of the lower box cover are respectively provided with a second lengthened end, the width of the second lengthened end is narrower than that of the lower box cover, and the first lengthened end is matched with the second lengthened end when being installed; two ends of the upper sealing element are respectively provided with a third lengthened end, the width of the third lengthened end is narrower than that of the upper sealing element, two ends of the lower sealing element are respectively provided with a fourth lengthened end, the width of the fourth lengthened end is narrower than that of the lower sealing element, and the third lengthened end is matched with the fourth lengthened end in installation.

2. The waterproof protective case of a snap-on connector as claimed in claim 1, wherein the third elongated end and the fourth elongated end are provided with helical teeth inside.

3. The waterproof protective case of a snap-on connector as claimed in claim 1, wherein the clip is a boss structure and the clip is a hollow rectangular structure.

4. The waterproof protective case of snap-in connector as claimed in claim 1, wherein said fastener has 10 pieces, 3 pieces on both sides thereof and 2 pieces on both ends thereof.

5. The waterproof protective case of a snap-on connector as claimed in claim 1, wherein the clip has a first chamfer and the snap has a second chamfer, the first chamfer matching the second chamfer.

6. The waterproof protective case of a snap-on connector as claimed in claim 1, wherein the outward sides of the upper case cover and the lower case cover are both convex arc structures, and the section of the protective case is a hollow shape formed by splicing 2 convex bottom surfaces and removing the bottom surfaces.

Technical Field

The invention relates to the technical field of design and manufacture of accessories of a solar photovoltaic power generation system, in particular to a waterproof protection box of a connector, which is used in the fields of new energy power transmission and new energy power storage.

Background

The connector is one of necessary accessories for a solar photovoltaic power generation system, such as power transmission or power storage, and is used for transmitting electric energy generated by the photovoltaic module to an end user for use or storing the electric energy generated by the photovoltaic module in an energy storage unit for use by the user, so that the performance of the connector directly influences the working state and the service life of the photovoltaic system. Since the photovoltaic system is generally installed outdoors and is greatly affected by the environment, the connector for power transmission must have excellent protection performance, for example, waterproofness is one of the important considerations.

At present, the waterproof function of the photovoltaic system connector on the market mostly depends on the waterproof structure design of the connector shell. When the connector is used for a long time, the failure of a sealing or shell protection mode often occurs, and because the connector I is wired together with a cable, no special fixed point exists, the cable needs to be searched along when being replaced, and the time is long; and photovoltaic system can not have the output of electric current when changing, need cut off the power generation process of whole photovoltaic system or a certain group of subassembly in the system, and its replacement cost is higher and have the safety risk, consequently, need design a product design that can solve the sealed protective effect of connector fast under this background, improves the protective effect of connector, guarantees the stability of photovoltaic system work.

Disclosure of Invention

In view of the above technical problems, an object of the present invention is to provide a connector waterproof protection box that can satisfy high protection performance and quick and convenient repair of a connector, improve reliability and safety of electrical connection, reduce maintenance cost, and reduce engineering waste.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a waterproof protection box of a buckle type connector comprises an upper box cover, an upper sealing element, a lower box cover and a lower sealing element, wherein a first groove is formed in the upper box cover, a second groove is formed in the lower box cover, the upper sealing element is matched with the first groove, and the lower sealing element is matched with the second groove; a plurality of clamping pieces are arranged around the edge of the upper box cover, buckles corresponding to the clamping pieces are arranged around the edge of the lower box cover, and the upper box cover and the lower box cover are clamped through the clamping pieces and the buckles; the two ends of the upper box cover are respectively provided with a first lengthened end, the width of the first lengthened end is narrower than that of the upper box cover, the two ends of the lower box cover are respectively provided with a second lengthened end, the width of the second lengthened end is narrower than that of the lower box cover, and the first lengthened end is matched with the second lengthened end when being installed; two ends of the upper sealing element are respectively provided with a third lengthened end, the width of the third lengthened end is narrower than that of the upper sealing element, two ends of the lower sealing element are respectively provided with a fourth lengthened end, the width of the fourth lengthened end is narrower than that of the lower sealing element, and the third lengthened end is matched with the fourth lengthened end in installation.

Preferably, the third elongated end and the fourth elongated end are both provided with helical tooth structures inside.

Preferably, the fastener is of a boss structure; the buckle is of a hollow rectangular structure.

Preferably, the number of the clamping pieces arranged on the upper box cover is 10, the number of the clamping pieces on two sides of the upper box cover is 3, and the number of the clamping pieces on two ends of the upper box cover is 2.

Preferably, a first chamfer is arranged on the clamping piece, a second chamfer is arranged on the buckle, and the first chamfer is matched with the second chamfer.

Preferably, the outward sides of the upper box cover and the lower box cover are both convex arc structures, and the section of the formed protection box is in a hollow shape with 2 spliced convex bottom surfaces and the bottom surfaces removed.

The waterproof protection box for the connector is convenient to install and excellent in sealing performance, meets the requirements of rapidness and convenience in protection and repair of the connector for an outdoor photovoltaic system, improves the reliability and safety of electric connection, obviously reduces maintenance cost and reduces engineering waste.

Drawings

FIG. 1 is an exploded view of a waterproof protective case of a snap-on connector according to the present invention;

fig. 2 is a schematic cross-sectional view of an upper cover of the waterproof protection case of the snap-in connector of fig. 1;

FIG. 3 is a schematic side view of the upper cover of the waterproof protection box of the snap-in connector of FIG. 1;

FIG. 4 is a schematic cross-sectional view of a lower cover of a waterproof protection case of a snap-in connector according to the present invention;

FIG. 5 is a schematic structural diagram of a side surface of a lower box cover of the waterproof protection box of the snap-in connector of the present invention;

FIG. 6 is a schematic structural diagram of an upper sealing member of a waterproof protection case of a snap-in connector according to the present invention;

FIG. 7 is a schematic view of the structure of the lower sealing member of the waterproof protective case of the snap-in connector of the present invention;

fig. 8 is an enlarged view of the helical tooth structure of the waterproof protection case of the snap-in connector according to the present invention.

In the figure: 1, an upper box cover, 101 a first groove, 102 a clamping piece, 103 a first lengthening end, 2 an upper sealing piece, 201 a third lengthening end, 3 a lower sealing piece, 301 a fourth lengthening end, 4 a lower box cover, 401 a second groove, 402 a buckle, 403 a second lengthening end and 5 a helical tooth structure.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

It should be noted that in the description of the present invention, the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation or be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 8, a waterproof protection box for a snap-on connector according to an embodiment of the present invention includes an upper box cover 1, an upper sealing member 2, a lower box cover 4, and a lower sealing member 3, wherein a first groove 101 is formed in the upper box cover 1, a second groove 401 is formed in the lower box cover 4, the upper sealing member 2 is adapted to the first groove 101, the lower sealing member 3 is adapted to the second groove 401, and the groove is designed to accommodate the sealing member and to make the sealing member parallel to a contact plane, so as to ensure a good sealing effect of the box body; the periphery of the upper box cover 1 is provided with the clamping piece 102, the periphery of the lower box cover 4 is provided with a buckle 402 corresponding to the clamping piece 102, and the upper box cover 1 and the lower box cover 4 are clamped through the clamping piece 102 and the buckle 402.

Referring to fig. 2 and 4, in a preferred design, the clamping member 102 is a boss structure, the buckle 402 is a hollow rectangular structure, and a plurality of clamping members 102, for example, 10 clamping members, are provided on the upper case cover 1; the plurality of clamping pieces 102 are respectively arranged at two sides and end parts of the upper box cover 1, for example, 3 clamping pieces 102 are respectively arranged at two sides of the upper box cover 1, and 2 clamping pieces 102 are respectively arranged at two ends; the number and the position of the buckles 402 on the lower box cover 4 are corresponding to the arrangement of the clamping pieces 102 on the upper box cover 1, and the design can effectively play a role in tensioning and sealing the box cover.

In addition, in order to facilitate the installation of the clamping piece and the buckle, a first chamfer is arranged on the clamping piece 102, a second chamfer is arranged on the buckle 402, the first chamfer is matched with the second chamfer, and when the installation is carried out, the sliding-in installation of the buckle 402 on the lower box cover 4 is facilitated through the design of the chamfers, so that the matching installation of the upper box cover 1 and the lower box cover 4 is facilitated.

Referring to fig. 2 and 3, the two ends of the upper case cover 1 are respectively provided with a first elongated end 103, the width of the first elongated end 103 is narrower than the width of the case body of the upper case cover 1, the two ends of the lower case cover 4 are respectively provided with a second elongated end 403, the width of the second elongated end 403 is narrower than the width of the case body of the lower case cover 4, and the first elongated end 103 and the second elongated end 403 are matched when being installed; two ends of the upper sealing element 2 are respectively provided with a third lengthened end 201, the width of the third lengthened end 201 is narrower than that of the upper sealing element 2, two ends of the lower sealing element 3 are respectively provided with a fourth lengthened end 301, the width of the fourth lengthened end 301 is narrower than that of the lower sealing element 3, the third lengthened end 201 and the fourth lengthened end 301 are matched in installation time phase, the first lengthened end 103 and the second lengthened end 403 are matched, and the third lengthened end 201 and the fourth lengthened end 301 are matched to protect cables at two ends of the connector, so that the problem of partial sealing failure of the cables caused by cable swinging can be avoided, and the problem of partial sealing of the cables is guaranteed.

In addition, referring to fig. 6, 7 and 8, in a preferred embodiment, the third elongated end 201 and the fourth elongated end 301 are provided with helical tooth structures 5 inside, and the tooth design enables the tooth devices to tilt in the same direction when the sealing member is subjected to a cable compression force, so that the contact area between the tooth part of the sealing ring and the cable is increased, and the effect of sealing the connection part of the cable and the protective box can be better achieved.

In this embodiment, referring to fig. 3 and 5, the outward sides of the upper box cover 1 and the lower box cover 4 are both convex arc structures, so that the cross section of the formed protection box is formed by splicing two convex bottom surfaces and then removing the hollow shape of the bottom surface, a relatively large accommodating space is formed inside the protection box, and such a structural design can cover and be suitable for various sizes of photovoltaic connectors and has good structural strength.

When the protection box of the connector is installed, the connected connector is firstly placed in the protection box, a cable is led out from two ends of a box cover, an upper sealing element 2 and a lower sealing element 3 of the protection box are respectively arranged at the positions of a first groove 101 and a second groove 401 of an upper box cover 1 and a lower box cover 4, the upper box cover 1 is clamped into a concave hole of a buckle 402 of the lower box cover 4 through a clamping piece 102 at the edge of the upper box cover, the mode of compressing the sealing elements is realized, and the sealing of the upper box cover and the lower box cover is realized; meanwhile, the cable is fastened at the lengthened end positions of the two sides of the box cover, so that the sealing failure of the cable caused by the swinging of the cable is avoided.

The protection box of the connector meets the requirements of rapidness and convenience of protection and repair of the connector, improves the reliability and safety of electric connection, reduces the maintenance cost and reduces the engineering waste.

The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.