Connecting nut assembly for connector assembly

Abstract

The utility model discloses a connecting nut assembly for a connector assembly, and the assembly comprises a nut body which is provided with an insertion port; the first connecting cavity is formed in the nut body, and the first connecting cavity is used for containing the connector; the second connecting cavity is formed in the nut body, the second connecting cavity communicates with the first connecting cavity, the second connecting cavity is used for containing the sealing ring, and the first connecting cavity, the second connecting cavity and the insertion opening are sequentially formed in the nut body; the two connecting lugs are arranged at the end, away from the first connecting cavity, of the nut body in a spaced mode, mounting holes are formed in the connecting lugs, and the connecting lugs are used for being connected with a clamping structure. And the cable extends into the connector from the insertion port so as to realize the connection between the cable and the connector. After the cable extends into the insertion port, the cable is clamped through the clamping structure, so that rotation prevention of the cable is achieved, and when the cable is subjected to tensile stress, the clamping structure can share most tensile stress, and stress points are prevented from being concentrated at connection points.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of connecting nuts, in particular to a connecting nut assembly for a connector assembly. BACKGROUND

[0002] The connector assembly connects each cable into a whole connecting point so as to make the cable into a continuous line. The main function of the connector assembly is to keep the line smooth, maintain the sealing of the cable, and ensure the insulation level at the cable joint, so that the cable can run safely and reliably.

[0003] In the related art, the connector assembly at least comprises a connecting head, a connecting nut located at one end of the connecting head, and a sealing ring located between the connecting head and the connecting nut, so as to maintain the sealing of the cable joint. With the gradual improvement of the performance requirements of the connector assembly, the existing connecting nut has a single function, which is difficult to meet the performance requirements of the connector assembly.

[0004] Therefore, it is urgent to provide a connecting nut assembly for a connector assembly, which increases the function of the connecting nut to meet the performance requirements of the connector assembly. CONTENT OF THE INVENTION

[0005] The application provides a connecting nut assembly for a connector assembly, which aims to solve the problem of the single function of the existing connecting nut in the prior art, which is difficult to meet the performance requirements of the connector assembly.

[0006] To achieve the above-mentioned purpose, the application provides a connecting nut assembly for a connector assembly, which comprises: a nut body, the nut body is provided with an insertion port; a first connecting cavity, the first connecting cavity is arranged on the nut body, and the first connecting cavity is used for accommodating a connecting head; a second connecting cavity, the second connecting cavity is arranged on the nut body, the second connecting cavity is communicated with the first connecting cavity, and the second connecting cavity is used for accommodating a sealing ring; the first connecting cavity, the second connecting cavity and the insertion port are sequentially arranged on the nut body; two connecting ears, the two connecting ears are arranged at one end of the nut body away from the first connecting cavity, and the connecting ears are provided with mounting holes, and the connecting ears are used for connecting a clamping structure.

[0007] In some embodiments, the first arc surface is arranged at the connection between the first connecting cavity and the second connecting cavity.

[0008] In some embodiments, the connecting nut assembly further comprises:

[0009] a second arc surface, the second arc surface is arranged in the second connecting cavity;

[0010] a third arc surface, the third arc surface is arranged in the second connecting cavity.

[0011] In some embodiments, the clamping structure comprises:

[0012] The pair of clamping hoops comprises two oppositely arranged clamping hoops, and the pair of clamping hoops is connected to the connecting lug by a fastener.

[0013] In some embodiments, further comprising:

[0014] The screwing part is arranged on the outer circumferential surface of the nut body.

[0015] In some embodiments, further comprising:

[0016] The plurality of detection holes are arranged at one end of the nut body away from the first connecting cavity, and the detection holes are connected to the second connecting cavity.

[0017] In some embodiments, further comprising:

[0018] The arc-shaped groove is arranged on the nut body, the arc-shaped groove is connected to the detection hole, and the arc-shaped groove is connected to the second connecting cavity.

[0019] The technical scheme of the present application provides a connecting nut assembly for a connector assembly, which comprises a nut body, a first connecting cavity, a second connecting cavity, and two connecting lugs. The nut body is provided with an insertion port. The first connecting cavity is arranged on the nut body and is used for accommodating a connecting head. The second connecting cavity is arranged on the nut body and is connected to the first connecting cavity. The second connecting cavity is used for accommodating a sealing ring. The first connecting cavity, the second connecting cavity, and the insertion port are sequentially arranged on the nut body. The two connecting lugs are arranged at one end of the nut body away from the first connecting cavity. The connecting lug is provided with a mounting hole and is used for connecting a clamping structure. The nut body is screwed to one end of the connecting head. The sealing ring is arranged between the nut body and the connecting head and is located in the second connecting cavity of the nut body. The connecting head is partially located in the first connecting cavity of the nut body. The cable is inserted into the connecting head through the insertion port to realize the connection between the cable and the connecting head. After the cable is inserted into the insertion port, the clamping structure is used to clamp the cable, thereby realizing the anti-rotation of the cable. When the cable is subjected to tensile stress, the clamping structure can share most of the tensile stress, thereby avoiding the concentration of stress points at the weak part of the connecting point. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is a perspective structural diagram of the connecting nut in an embodiment of the present application.

[0022] Figure 2 Front view of the connecting nut in one of the embodiments of the present application;

[0023] Figure 3 Top view of the connecting nut with clamping structure in one of the embodiments of the present application;

[0024] Figure 4 Sectional view of one of the connecting nuts in one of the embodiments of the present application;

[0025] Figure 5 is Figure 4 Enlarged view of part A in the figure;

[0026] Figure 6 Sectional view of another connecting nut in one of the embodiments of the present application;

[0027] Figure 7 is Figure 6 Enlarged view of part B in the figure.

[0028] In the figure: nut body 1, screwing part 101, first connecting cavity 102, guide part 103, third arc surface 105, first arc surface 106, second arc surface 107, arc slot 108, insertion opening 109, second connecting cavity 104, connecting lug 2, mounting hole 21, detection hole 3, filler 4, clamping hoop 51, screw rod 52, nut 53. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0031] It should also be noted that when an element is referred to as being “fixed to” or “set on” another element, it can be directly on the other element or can have a middle element. When an element is referred to as being “connected” to another element, it can be directly connected to the other element or can have a middle element.

[0032] In addition, the descriptions involving "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope claimed by the present application.

[0033] Referring to Figure 1 、 Figure 2 and Figure 3 , the present application proposes a connector assembly with a connecting nut assembly, comprising: a nut body 1, the nut body 1 is provided with an insertion port 109; a first connecting cavity 102, the first connecting cavity 102 is arranged on the nut body 1, the first connecting cavity 102 is used for accommodating a connecting head; a second connecting cavity 104, the second connecting cavity 104 is arranged on the nut body 1, the second connecting cavity 104 is communicated with the first connecting cavity 102, the second connecting cavity 104 is used for accommodating a sealing ring, the first connecting cavity 102, the second connecting cavity 104 and the insertion port 109 are sequentially arranged on the nut body 1; two connecting ears 2, the two connecting ears 2 are spaced apart from each other and arranged on one end of the nut body 1 away from the first connecting cavity 102, the connecting ear 2 is provided with a mounting hole 21, and the connecting ear 2 is used for connecting a clamping structure.

[0034] Among them, the nut body 1 is the structural basis of the connector assembly with the connecting nut assembly, and other structures on the connector assembly with the connecting nut assembly are directly or indirectly mounted on the nut body 1. The first connecting cavity 102 is used for accommodating the connecting head, and the first connecting cavity 102 is provided with an external thread matched with the connecting head. The second connecting cavity 104 is used for accommodating the sealing ring, and the clamping structure on the connecting ear 2 is a core component on the connector assembly with the connecting nut assembly, and the clamping structure is used for clamping the cable.

[0035] Specifically, the nut body 1 is screwed on one end of the connecting head, the nut body 1 and the connecting head are provided with a sealing ring, the sealing ring is located in the second connecting cavity 104 of the nut body 1, the connecting head is partially located in the first connecting cavity 102 of the nut body 1, and the cable extends into the connecting head from the insertion port 109 to realize the connection between the cable and the connecting head. After the cable extends into the insertion port 109, the clamping structure is used to clamp the cable, so as to realize the anti-rotation of the cable, and when the cable is subjected to tensile stress, the clamping structure can share most of the tensile stress, so as to avoid the stress concentration on the weak part of the connecting point.

[0036] Preferably, the second connecting cavity 104 is provided with a guide portion 103, which facilitates the rotation of the connecting head into the first connecting cavity 102.

[0037] The other end of the connector is not limited in structure, and can be similar to the one end of the connector. The other end of the connector can also be provided with a nut body 1, a sealing ring, and the like, or can be provided with other structures, which are not limited herein.

[0038] The material of the nut body 1 is stainless steel, which has good structural performance and corrosion resistance, and is convenient for the connector assembly to adapt to various harsh environments.

[0039] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , in some embodiments, the first arc surface 106 is provided at the connection between the first connecting cavity 102 and the second connecting cavity 104. The provision of the first arc surface 106 can reduce the stress concentration at the connection between the first connecting cavity 102 and the second connecting cavity 104. In addition, the inner diameter of the second connecting cavity 104 is greater than that of the first connecting cavity 102, and the provision of the first arc surface 106 is conducive to the clamping of the sealing ring.

[0040] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , in some embodiments, the second arc surface 107 is provided in the second connecting cavity 104, and the third arc surface 105 is provided in the second connecting cavity 104. The second connecting cavity 104 is a cylindrical cavity, and the connection between the bottom surface of the second connecting cavity 104 and the arc surface is provided with the second arc surface 107, and the connection between the top surface and the arc surface is provided with the third arc surface 105. The second arc surface 107 and the third arc surface 105 are conducive to reducing the stress concentration at the connection, and the provision of the second arc surface 107 and the third arc surface 105 is conducive to the disengagement of the sealing ring from the second connecting cavity 104, thereby facilitating the maintenance of the connector assembly.

[0041] Referring to Figure 1 , Figure 2 and Figure 3 , in some embodiments, the clamping structure includes a pair of clamping hoops 51, which includes two oppositely arranged clamping hoops 51, and the pair of clamping hoops 51 is connected to the connecting lug 2 by a fastener. One end of the two clamping hoops 51 is fixedly installed on both sides of one connecting lug 2 by a fastener, and the other end of the two clamping hoops 51 is fixedly installed on both sides of the other connecting lug 2 by a fastener.

[0042] In the embodiment, the fastener comprises two pairs of screw rod 52 and nut 53 combination, one pair of screw rod 52 and nut 53 is used to fix one end of the clamping hoop 51, and the other pair of screw rod 52 and nut 53 is used to fix the other end of the clamping hoop 51. One pair of screw rod 52 and nut 53 comprises one screw rod 52 and one nut 53. The installation principle of one pair of screw rod 52 and nut 53 is as follows: the screw rod 52 is put into the mounting hole 21, one end of the clamping hoop 51 is located between the end of the screw rod 52 and the connecting lug 2, and the nut 53 is arranged on the screw rod 52 and located on the side away from the end of the screw rod 52 of the connecting lug 2, and the nut 53 is arranged between the connecting lug 2 and the end of the other clamping hoop 51. The installation principle of the other pair of screw rod 52 and nut 53 is the same, which will not be repeated here.

[0043] Referring to Figure 1 and Figure 2 , in some embodiments, further comprising: a screwing part 101, the screwing part 101 is arranged on the outer circumferential surface of the nut body 1. The screwing part 101 is used to screw the nut body 1.

[0044] Referring to Figure 6 , in some embodiments, further comprising: a plurality of detection holes 3, the plurality of detection holes 3 are arranged at intervals on the end of the nut body 1 away from the first connecting cavity 102, and the detection holes 3 are communicated with the second connecting cavity 104. The detection holes 3 are preferably provided with three, and the three detection holes 3 are arranged at intervals on the nut body 1. The sealing ring can be judged to be installed in place by inserting the detection rod into the detection hole 3 and judging the insertion depth of the detection rod, so as to avoid local bending of the sealing ring and affect the sealing performance of the connector assembly. After the detection is completed, the detection hole 3 is filled with a filler 4, and the filler 4 is preferably epoxy resin or the like.

[0045] Referring to Figure 6 and Figure 7 , in some embodiments, further comprising: an arc-shaped groove 108, the arc-shaped groove 108 is arranged on the nut body 1, the arc-shaped groove 108 is communicated with the detection hole 3, and the arc-shaped groove 108 is communicated with the second connecting cavity 104. The arc-shaped groove 108 is also filled with a filler 4, which is used to further improve the sealing performance of the connector assembly.

[0046] The above description is only some or preferred embodiments of the present application, neither the text nor the drawings can limit the scope of protection of the present application, any equivalent structural transformation made by using the contents of the specification and drawings, or direct / indirect application in other related technical fields is included in the scope of protection of the present application.

Claims

1. A coupling nut assembly for a connector assembly, characterized by, The utility model relates to a screw cap body (1) is provided with the insertion port (109), first connecting cavity (102) is set up in screw cap body (1), first connecting cavity (102) is used for accommodating connecting head, second connecting cavity (104) is set up in screw cap body (1), second connecting cavity (104) is communicated first connecting cavity (102), second connecting cavity (104) is used for accommodating sealing ring, first connecting cavity (102), second connecting cavity (104) and insertion port (109) are sequentially arranged in screw cap body (1), two connecting ears (2) are spaced apart and arranged in the end of screw cap body (1) away from first connecting cavity (102), and mounting hole (21) is arranged on connecting ear (2), and connecting ear (2) is used for connecting clamping structure. Further comprising: First arc surface (106) is arranged at the junction of first connecting cavity (102) and second connecting cavity (104). Further comprising: Second arc surface (107) is arranged in second connecting cavity (104); 2. A coupling nut assembly for a connector assembly according to claim 1, wherein Third arc surface (105) is arranged in second connecting cavity (104). The clamping structure comprises:

3. The coupling nut assembly for a connector assembly of claim 1, wherein, A pair of clamping hoops (51) comprises two oppositely arranged clamping hoops (51), and a pair of clamping hoops (51) are connected to connecting ear (2) by fastener. Further comprising: Screw part (101) is arranged on the outer circumferential surface of screw cap body (1).

4. The coupling nut assembly for a connector assembly of claim 1, wherein, Further comprising: A plurality of detection holes (3) are spaced apart and arranged in the end of screw cap body (1) away from first connecting cavity (102), and detection hole (3) is communicated with second connecting cavity (104).

5. The coupling nut assembly for a connector assembly of claim 1, wherein, Further comprising: Arc-shaped groove (108) is arranged on screw cap body (1), arc-shaped groove (108) is communicated with detection hole (3), and arc-shaped groove (108) is communicated with second connecting cavity (104).

6. The coupling nut assembly for a connector assembly of claim 1, wherein, ​ ​ 7. A coupling nut assembly for a connector assembly according to claim 6, wherein ​ ​

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