Connector and connector assembly

Abstract

The invention discloses a connector and a connector assembly. The connector assembly comprises a connector and a mating connector. According to the invention, the elastic arm is integrated in the connector shell, parts of the elastic lock catch are reduced, and in the whole unlocking process, the elastic arm is always hidden in the secondary locking block, so that fingers of a person cannot touch the elastic arm for unlocking, and the elastic lock catch can be effectively prevented from being unlocked accidentally; the elastic arm is provided with a protruding blocking part matched with the secondary locking block, when the connector and the matched connector are not inserted in place, the blocking part blocks the secondary locking block at the initial position, the secondary locking block is prevented from moving, and only when the connector and the matched connector are matched in place, the elastic arm is pushed and pressed through the shell of the matched connector, so that the secondary locking block is prevented from moving. And the blocking part on the elastic arm is separated from the secondary locking block, so that the secondary locking block is allowed to move from the preassembling position to the locking position.

Description

Technical Field

[0001] The invention belongs to the technical field of connectors, and in particular relates to a connector and a connector assembly. Background Art

[0002] After the high-voltage connector and the mating connector are locked together, additional parts are needed to strengthen the locking, that is, the connector secondary locking mechanism connector position assurance (CPA) described in the terms and definitions 3.12 of the industry standard QC / T 1067.1-2017 - an additional locking mechanism added to the locking mechanism of the connector. There are two main technical solutions for connector locking structures on the market. The first one is the connector and connector assembly with announcement number CN215119418U disclosed on the patent website, which requires two parts, the elastic lock 110 and the connection position safety 120, to realize the secondary locking function; the second one is the connector and connector assembly with announcement number CN115117669A disclosed on the patent website, "the elastic lock 111 also includes a pressing portion 111c connected to the free end of the elastic cantilever 111a, and the pressing portion 111c is exposed to the outside of the second shell 210 when the first shell 110 is inserted into the second shell 210, so as to allow a person to press the pressing portion 111c with a finger. In this way, after the lock safety 220 is moved to the pre-locking position, the elastic lock 111 can be unlocked by pressing the pressing portion 111c with a finger."

[0003] For the prior art solution 1: the secondary locking mechanism of the connector has a complex structure, usually requiring two or more additional parts in addition to the housing to achieve, and the operation is cumbersome; for the prior art solution 2: when the secondary locking mechanism is unlocked to the pre-locking position, the elastic lock can be touched by the fingers of the person, and the locking relationship between the connector and the mating connector can be directly released by hand, which leads to the risk of the elastic lock being accidentally unlocked, and the safety is not high. Therefore, in view of the above problems, a connector and a connector assembly provided by the present invention are of great significance. Summary of the invention

[0004] The present invention provides a connector and a connector assembly, which integrates an elastic arm into a connector housing to reduce the number of elastic lock parts. During the entire unlocking process, the elastic arm is always hidden inside the secondary lock block, so that human fingers cannot touch the elastic arm to unlock, and the elastic lock can be effectively prevented from being accidentally unlocked; the elastic arm is provided with a raised blocking portion that cooperates with the secondary lock block, and when the connector and the mating connector are not inserted into place, the blocking portion blocks the secondary lock block in an initial position to prevent the secondary lock block from moving. Only when the connector and the mating connector are mated into place, the elastic arm is pushed by the mating connector housing to separate the blocking portion on the elastic arm from the secondary lock block, so as to allow the secondary lock block to move from the pre-installed position to the locked position. In summary, the problems in the background technology are solved.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] A connector and a connector assembly of the present invention include a connector and a mating connector;

[0007] The connector comprises a connector housing, the top surface of the connector housing is respectively provided with a limit groove and a limit step, and the inner walls of the top ends of both sides of the connector housing are provided with a slide rail groove, the top end of the connector housing is fixedly connected with an elastic arm, the top of the elastic arm is respectively fixedly connected with a locking hanging platform and a blocking protrusion, and a secondary locking block is installed on the connector;

[0008] The mating connector includes a mating connector housing;

[0009] A locking hole is provided on the top surface of the secondary locking block, and slide rails are provided on both side outer walls of the secondary locking block. A cavity is provided inside the secondary locking block, and a blocking portion and a locking retaining platform are fixedly connected to the top and bottom of the cavity respectively, and a limiting protrusion is fixedly connected to the bottom of the secondary locking block.

[0010] Furthermore, the limiting protrusion matches the limiting step in shape, and the limiting protrusion and the limiting step have the same width.

[0011] Furthermore, the blocking portion matches the blocking protrusion in shape, and the blocking portion and the blocking protrusion have the same width.

[0012] Furthermore, the locking platform and the locking hole are both rectangular, and their lengths and widths are correspondingly equal.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) When a connector and a connector assembly of the present invention are used, the elastic arm is integrated into the connector housing to reduce the number of elastic lock parts. During the entire unlocking process, the elastic arm is always hidden inside the secondary lock block, so that a person's fingers cannot touch the elastic arm to unlock, which can effectively prevent the elastic lock from being accidentally unlocked.

[0015] (2) When a connector and a connector assembly in the present invention are in use, a raised blocking portion cooperating with a secondary locking block is provided on the elastic arm. When the connector and the mating connector are not inserted into place, the blocking portion blocks the secondary locking block in an initial position to prevent the secondary locking block from moving. Only when the connector and the mating connector are mated into place, the mating connector housing pushes the elastic arm to separate the blocking portion on the elastic arm from the secondary locking block, thereby allowing the secondary locking block to move from the pre-installed position to the locked position.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a connector and a connector assembly of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the connector in the present invention;

[0020] Figure 3 A schematic diagram of the structure of the connector of the present invention from another angle;

[0021] Figure 4 It is a structural schematic diagram of the mating connector in the present invention;

[0022] Figure 5 It is a structural schematic diagram of the secondary locking block in the present invention;

[0023] Figure 6 This is a structural schematic diagram of the secondary locking block in the present invention from another angle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Connector; 2. Mating connector; 3. Connector housing; 4. Limiting groove; 5. Limiting step; 6. Slide rail groove; 7. Elastic arm; 8. Locking hanging platform; 9. Blocking protrusion; 10. Secondary locking block; 11. Mating connector housing; 12. Locking hole; 13. Slide rail; 14. Blocking part; 15. Locking holding platform; 16. Limiting protrusion. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "relative", "one end", "inside", "lateral", "end", "two ends", "both sides", "front", "one end face", "the other end face" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0028] See also Figure 1-6 As shown, a connector and a connector assembly of the present invention include a connector 1 and a mating connector 2;

[0029] The connector 1 comprises a connector housing 3, the top surface of which is respectively provided with a limit groove 4 and a limit step 5, and the inner walls of the tops of both sides of the connector housing 3 are provided with a slide rail groove 6, the top of the connector housing 3 is fixedly connected with an elastic arm 7, the top of the elastic arm 7 is respectively fixedly connected with a locking hanging platform 8 and a blocking protrusion 9, and a secondary locking block 10 is installed on the connector 1;

[0030] The mating connector 2 includes a mating connector housing 11;

[0031] A locking hole 12 is provided on the top surface of the secondary locking block 10, and slide rails 13 are provided on the outer walls on both sides of the secondary locking block 10. A cavity is provided inside the secondary locking block 10, and a blocking portion 14 and a locking retaining platform 15 are fixedly connected to the top and bottom of the cavity respectively, and a limiting protrusion 16 is fixedly connected to the bottom of the secondary locking block 10.

[0032] The limiting protrusion 16 matches the shape of the limiting step 5 , and the limiting protrusion 16 and the limiting step 5 have the same width, which can limit the secondary locking block 10 from moving backward.

[0033] The blocking portion 14 matches the blocking protrusion 9 in shape, and the blocking portion 14 and the blocking protrusion 9 have the same width, which can limit the secondary locking block 10 from moving forward.

[0034] Among them, the locking platform 8 and the locking hole 12 are both rectangular, and their lengths and widths are correspondingly equal. The locking platform 8 can be aligned and inserted into the locking hole 12 to achieve locking of the position of the connector 1 and the mating connector 2.

[0035] The standard parts used in the application documents can all be purchased from the market. All the components in this application document can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art.

[0036] The working principle of the present invention is:

[0037] When the present invention is in use, after the connector 1 and the mating connector 2 are mated in place, the locking hanging platform 8 enters the locking hole 12 to achieve position locking of the connector 1 and the mating connector 2; during the mating process, the elastic arm 7 is pushed by the mating connector shell 11, so that the blocking protrusion 9 on the elastic arm 7 is separated from the secondary locking block 10, so as to allow the secondary locking block 10 to move from the pre-installed position to the locked position, and the limiting protrusion 16 enters the limiting groove 4 to reach the final locking position. At this time, the locking retaining platform 15 presses against the lower side of the elastic arm 7, and the elastic arm 7 cannot be deformed downward, thereby achieving the function of enhanced locking.

[0038] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A connector and a connector assembly, characterized in that: Includes a connector and a mating connector; The connector comprises a connector housing, the top surface of the connector housing is respectively provided with a limit groove and a limit step, and the inner walls of the top ends of both sides of the connector housing are provided with a slide rail groove, the top end of the connector housing is fixedly connected with an elastic arm, the top of the elastic arm is respectively fixedly connected with a locking hanging platform and a blocking protrusion, and a secondary locking block is installed on the connector; The mating connector includes a mating connector housing; A locking hole is provided on the top surface of the secondary locking block, and slide rails are provided on both side outer walls of the secondary locking block. A cavity is provided inside the secondary locking block, and a blocking portion and a locking retaining platform are fixedly connected to the top and bottom of the cavity respectively, and a limiting protrusion is fixedly connected to the bottom of the secondary locking block.

2. A connector and a connector assembly according to claim 1, characterized in that: The limiting protrusion matches the limiting step in shape, and the limiting protrusion and the limiting step have the same width.

3. A connector and a connector assembly according to claim 1, characterized in that: The blocking portion matches the blocking protrusion in shape, and the blocking portion and the blocking protrusion have the same width.

4. A connector and a connector assembly according to claim 1, characterized in that: The locking platform and the locking hole are both rectangular, and their lengths and widths are correspondingly equal.

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