CN211062975U - Low-voltage connector for vehicle-mounted battery of new energy road automobile - Google Patents

Abstract

The utility model discloses a low-voltage connector for a vehicle-mounted battery of a new energy road automobile, which comprises a first module, wherein the first module comprises a first shell and a first terminal; the first shell comprises one or more wall surfaces, the one or more wall surfaces form a plurality of first through holes, a plurality of second through holes and a plurality of first grooves which are allowed to pass through on the first shell, and the first grooves are respectively communicated with the first through holes and the second through holes; the outer wall surface of the first shell is provided with a plurality of regular first bump structures; a locking mechanism is arranged on the first shell and is arranged in the first groove; a second module comprising a second housing and a second terminal; the second shell comprises one or more wall surfaces, the one or more wall surfaces form a third through hole and a second groove on the second shell, and the third through hole is communicated with the second groove. It can effectively prevent the mistake and insert the joining in marriage.

Description

Low-voltage connector for vehicle-mounted battery of new energy road automobile

Technical Field

The utility model relates to a connector field, specific is a low pressure connector for new forms of energy road car vehicle-mounted battery.

Background

With the rapid development and popularization of the automobile industry in China, the petroleum resources are increasingly depleted, the petroleum price fluctuates greatly, and new energy automobiles with low emission and less pollution gradually become the mainstream of the development of the automobile industry, so that new energy automobile connector products in electronic components are more and more concerned and valued by people.

The new energy automobile connector product tends to be miniaturized more and more, the circuit density is higher and higher, and the transmission rate is faster and faster, so that the new energy automobile connector product will become a future development trend. The connector product that we usually use or see is limited by connector structure and Pitch, and the volume is relatively great, can no longer satisfy the demand of current new energy automobile to the connector product. The conventional connector is a combination unit which mainly comprises a socket sheath or a plug sheath (made of plastic), a socket or a plug (collectively referred to as a terminal, made of metal) and accessories thereof and can realize electrical connection, and the purpose of connector mutual matching is achieved through the engagement of a male connector and a female connector. The conventional connector mating interface (i.e., the interface formed by engaging the male terminal and the female terminal) is single and cannot meet the increasing functional requirements of the market.

Along with the circuit density is higher and higher, need install a plurality of the same connectors simultaneously on the same panel in order to satisfy the demand of function, consequently there is the possibility that can be inserted by mistake and misplug match between the connector, and the risk of safe in utilization improves greatly, is unfavorable for the maintenance and the maintenance of product. And the plugging and unplugging of the connector are not fool-proof, and the connector can be artificially reversely inserted in a wrong way in the maintenance process, so that the connector is unnecessarily damaged and replaced.

Automobile connector mainly is used for realizing electrical connection or signal transmission, divide into single line connector and multi-line connector according to terminal hole number difference, the multi-line connector is because of it can realize multichannel signal transmission or multichannel electrical connection, consequently by the universal serial bus and demand are higher and higher, but along with the terminal hole site increase in, the plug-in force when male end connector and female end connector are mutually supporting also is bigger and bigger, and because the limitation of domestic automation level, the condition of artifical manual plug installation or maintenance is many, consequently the inevitable meeting of the condition of oblique plug appears, the plug-in force when having caused the interwork more is difficult to accept.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a low pressure connector for new forms of energy road car vehicle-mounted battery, it can prevent effectively that the mistake from inserting the joining in marriage.

In order to achieve the above object, an embodiment of the present application discloses a low voltage connector for a vehicle-mounted battery of a new energy road vehicle, including:

a first module including a first housing and a first terminal; the first shell comprises one or more wall surfaces, the one or more wall surfaces form a plurality of first through holes, a plurality of second through holes and a plurality of first grooves which are allowed to pass through on the first shell, and the first grooves are respectively communicated with the first through holes and the second through holes; the outer wall surface of the first shell is provided with a plurality of regular first bump structures; a locking mechanism is arranged on the first shell and is arranged in the first groove; the first terminal penetrates through the first through hole, the first groove and the second through hole;

a second module comprising a second housing and a second terminal; the second shell comprises one or more wall surfaces, the one or more wall surfaces form a third through hole and a second groove on the second shell, the third through hole is communicated with the second groove, and the second terminal part is arranged in the second groove and the third through hole in a penetrating mode;

when the first module and the second module are matched, the first shell part enters the second groove on the second shell, the second terminal penetrates through the second groove and enters the first through hole to be contacted with the first terminal, and the first bump structure enters the second groove.

Preferably, the first shell and the second shell are provided with mutually matched buckle components.

Preferably, the first bump structure includes a plurality of first bumps disposed on the outer wall surface of the first housing, and the first bumps are disposed on the outer wall surface of one end of the first through hole; and a third groove corresponding to each first bump is arranged in the inner wall surface of the second groove.

Preferably, the locking mechanism includes a first plate and two second plates, the two second plates are respectively disposed at two ends of the first plate, a second protruding block extends from a surface of the first plate between the two second plates, a plurality of fourth through holes are uniformly disposed on the second protruding block, the fourth through holes are arranged along a length direction of the first plate, the fourth through holes penetrate through the second protruding block along a direction perpendicular to a length direction of the first plate, a third protruding block is disposed on an inner wall surface of the fourth through hole close to the first plate, a plurality of fourth protruding blocks are disposed on a surface of the second protruding block far away from the first plate, each fourth protruding block is disposed between the two fourth through holes, a fifth protruding block is disposed on a side surface of the first plate, an extending direction of the fifth protruding block is parallel to a central axis of the fourth through hole, a fourth groove is formed in the side face, opposite to the side face where the fifth bump is located, of the first plate; the two second plates are arranged oppositely, a sixth lug and a seventh lug are arranged on the opposite faces of the two second plates respectively, the sixth lug and the seventh lug are far away from the first plate, the length direction of the sixth lug and the length direction of the seventh lug are perpendicular to the length direction of the first plate, and the sixth lug is opposite to the seventh lug and close to the first plate.

Preferably, the first groove is arranged between the first through hole and the second through hole, the first groove is arranged on the first shell, a first step and two second steps are arranged at the joint of the edge of the first groove and the outer wall surface of the first shell, an eighth bump is arranged at the joint of the first step and the first shell and is matched with the fourth groove, the second groove and the two second steps are respectively arranged at two sides of the first groove, a ninth lug and a tenth lug are arranged on the second step, the ninth lug and the tenth lug are arranged at one end of the second step far away from the first step, the length direction of the ninth bump is parallel to the length direction of the tenth bump, and the length direction of the ninth bump is perpendicular to the length direction of the first plate; and a twelfth bump is arranged on the inner wall surface of one end of the first through hole, which is close to the first groove.

The shell structure comprises a first shell, a second shell, a third shell, a fourth shell, a fifth shell, a sixth shell, a fifth shell, a sixth shell, a fifth shell, a sixth shell, a fifth shell, a sixth shell, a fourth shell, a fifth shell, a sixth shell, a fourth shell, a sixth shell, a fourth shell, a connecting plate, a fifth shell, a sixth shell, a connecting plate, a fifth shell, a sixth cantilever, a connecting plate, a sixth cantilever, a fifth shell, a sixth cantilever, a connecting plate, a fifth cantilever, a sixth cantilever, a connecting plate, a sixth cantilever, a connecting plate, a fifth plate, a connecting plate, a sixth cantilever, a connecting plate, a fourth cantilever, a connecting plate, a sixth cantilever, a fourth cantilever, a fifth plate, a connecting plate, a fifth cantilever, a connecting plate, a fifth plate, a fourth cantilever, a fifth plate, a sixth cantilever, a fourth cantilever, a sixth cantilever, a fourth cantilever, a fifth cantilever, a sixth cantilever, a fourth cantilever, a connecting plate, a fifth cantilever, a connecting plate, a sixth cantilever, a connecting plate, a sixth cantilever, a connecting plate, a fifth cantilever, a sixth cantilever, a connecting plate, a sixth cantilever, a connecting plate, a fifth cantilever, a fourth cantilever, a fifth cantilever, a sixth cantilever, a fifth cantilever, a fourth cantilever, a sixth cantilever, a fifth cantilever, a sixth cantilever, a fifth cantilever, a sixth cantilever, a fourth cantilever, a fifth cantilever, a sixth cantilever.

Preferably, the second terminal includes a first column, a second column, and a third column, the second column and the third column are perpendicular to the first column, the second column is perpendicular to one end of the first column, the third column is perpendicular to the other end of the first column, a length direction of the second column is parallel to a length direction of the third column, and the second column and the third column are opposite; the second cylinder on the second terminal is close to the one end of first cylinder is worn to set up in the third through-hole, the second cylinder is kept away from the one end setting of first cylinder is in the second recess, first cylinder with the third cylinder sets up the outside of third through-hole.

Preferably, the second shell further comprises a first cover plate, a plurality of seventh grooves are formed in the first cover plate, the seventh grooves are integrally L-shaped, and the first column and the third column are embedded in the seventh grooves in a clamping mode.

Preferably, the low-voltage connector for the vehicle-mounted battery of the new energy road automobile further comprises a fixing seat.

The utility model has the advantages as follows:

1. the utility model provides a connector scalability is strong, can satisfy the application interface of arbitrary Pin number between 10Pin to 40Pin, is equipped with different first lug structures and supporting third recess that have the fool-proof effect on different connectors, can't misplug each other, has eliminated the potential safety hazard of using, has solved and has used the problem of misplug each other and misplug each other that a plurality of same connector of Pin number of using simultaneously on same panel bring;

2. the locking mechanism can effectively prevent the first terminal from being jacked and retreated by the second terminal when the first module and the second module are matched;

3. the fourth groove in the locking mechanism and the eighth bump in the first shell can effectively prevent fool, and the defect that the locking mechanism is easy to install reversely when being installed is overcome;

4. the seventh groove on the first cover plate is L-shaped, so that the first column and the third column of the second terminal are effectively protected, and the second terminal is prevented from being broken and damaged in the assembling process.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a low-voltage connector for a vehicle-mounted battery of a new energy road vehicle in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a low voltage connector for a new energy road vehicle battery in an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure A in FIG. 2;

fig. 4 is a schematic structural diagram of a first terminal in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a locking mechanism in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a first terminal in an embodiment of the present invention;

fig. 7 is a schematic side view of a first terminal according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a second terminal in an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a first cover plate in the embodiment of the present invention;

fig. 10 is a schematic side view of a locking mechanism according to an embodiment of the present invention;

reference numerals of the above figures:

1. a first module; 11. a first housing; 111. a first bump; 112. a first through hole; 1121. a twelfth bump; 113. a second through hole; 114. a first groove; 115. a fifth groove; 116. a first step; 1161. an eighth bump; 117. a second step; 1171. a ninth bump; 1172. a tenth bump;

12. a first terminal; 121. a first folded edge; 122. second bending edges; 123. a third bending edge; 1231. an eleventh bump; 124. a fourth folded edge; 1241. a sixth groove; 125. a first cantilever structure; 1251. a first connecting plate; 1252. a first cantilever; 126. a second cantilever structure; 1261. a second connecting plate; 1262. a second cantilever; 127. a third cantilever structure; 1271. A third connecting plate; 1272. a third cantilever;

13. a locking mechanism; 131. a first plate member; 132. a second bump; 133. a fourth via hole; 1331. a third bump; 1332. a fourth bump; 134. a fifth bump; 135. a fourth groove; 136. a second plate member; 137. a sixth bump; 138. a seventh bump;

2. a second module;

21. a second housing; 211. a second groove; 212. a third groove; 213. a third through hole; 214. a first cover plate; 215. a seventh groove;

22. a second terminal; 221. a first column; 222. a second cylinder; 223. a third column;

3. a buckle assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "bottom", "inner", "outer", 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 description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

In order to achieve the above object, the utility model provides a low pressure connector for on-vehicle battery of new forms of energy road car, including first module 1 and second module 2.

In this embodiment, referring to fig. 1, the first module 1 includes a first housing 11, a first terminal 12 and a locking mechanism 13, four first bumps 111 are disposed on an outer wall surface of the first housing 11, and a fastening assembly 3 is disposed between every two first bumps 111; the second module 2 includes a second housing 21 and a second terminal 22, a second groove 211 is provided on the second housing 21, a third groove 212 corresponding to the four first bumps 111 is provided on an upper wall surface of the second groove 211, and a fastening component 3 adapted to the fastening component 3 on the first housing 11 is also provided on an outer wall surface of the second housing 21; when the first module 1 enters the second recess 211, the first protrusion 111 can be received in the third recess 212.

It can be understood that the distance between the first bumps 111 and the shape of the first bumps 111 can be adjusted according to different terminals, and the shape of the third groove 212 can be adjusted, so as to prevent mismatching.

It will be appreciated that the latch assembly 3 may be a narrow spring arm latch configuration and a unitary spring arm latch configuration that is more comfortable to press.

Further, referring to fig. 2, a second groove 211 is disposed on the right side of the second housing 21, a third through hole 213 is disposed on the left side of the second housing 21, the third through hole 213 is communicated with the bottom of the second groove 211, and a central axis of the third through hole 213 is parallel to the depth direction of the second groove 211.

Further, referring to fig. 8, the second terminal 22 includes a first cylinder 221, a second cylinder 222 and a third cylinder 223, the second cylinder 222 and the third cylinder 223 are respectively disposed at two ends of the first cylinder 221, and the second cylinder 222 and the third cylinder 223 are disposed opposite to each other.

Further, referring to fig. 2, the second cylinder 222 sequentially penetrates through the third through hole 213 and the second groove 211, and the first cylinder 221 and the third cylinder 223 are disposed outside the third through hole 213.

Further, referring to fig. 2, fig. 3 and fig. 4, a first through hole 112 is disposed at a left end of the first housing 11, a first groove 114 is disposed at a middle portion of the first housing, a second through hole 113 is disposed at a right end of the first housing, the first through hole 112 is communicated with a side wall surface of the first groove 114, and the second through hole 113 is communicated with a side wall surface of the first groove 114.

Further, referring to fig. 7, a first fixing portion, a second fixing portion, a third fixing portion, a first cantilever structure 125, a second cantilever structure 126 and a third cantilever structure 127 are sequentially disposed on the first terminal 12 from left to right. The first fixing part comprises two first bending edges 121, the two first bending edges 121 are respectively arranged at the edges of the front side and the rear side of the third shell, and the two bending edges are sequentially arranged and bend towards the center direction of the third shell; the second fixing portion comprises two second bending edges 122, the two second bending edges 122 are arranged on the edges of the front side and the rear side of the third shell respectively, the two second bending edges 122 are arranged oppositely, and the two bending edges bend towards the center direction of the third shell.

Further, referring to fig. 7 and 6, the third fixing portion includes a third bending edge 123 disposed at the front side of the third housing and a fourth bending edge 124 disposed at the rear side, an eleventh protrusion 1231 is disposed at an upper portion of the third bending edge 123, the fourth bending edge 124 is generally shaped L, one end of the fourth bending edge is connected to the third housing, the other end of the fourth bending edge is disposed above the third housing and is provided with a sixth recess 1241, the eleventh protrusion 1231 of the third bending edge 123 is received in the sixth recess 1241, the second suspension arm 1262 of the second suspension arm structure 126 is disposed toward the left end of the first terminal 12, the first suspension arm 1252 of the first suspension arm structure 125 is disposed toward the right end of the first terminal 12, the first suspension arm 1252 is disposed above the second suspension arm 1262, the third suspension arm 1272 is disposed on an opposite side of the second suspension arm structure 126, the third suspension arm 1272 is disposed toward the same direction as the second suspension arm 1252, and the third suspension arm 1272 is disposed above the third suspension arm 1272.

Further, referring to fig. 3, fig. 6 and fig. 7, the first cantilever structure 125, the second cantilever structure 126, the third cantilever structure 127 and the third fixing portion on the first terminal 12 are disposed in the first through hole 112, referring to fig. 3, a right end of the third cantilever 1272 abuts against a left side surface of the twelfth bump 1121, and an upper portion of the fourth bent edge 124 of the third fixing portion abuts against the twelfth bump 1121. The first fixing portion is disposed in the second through hole 113, and the second fixing portion is partially disposed in the second through hole 113 and partially disposed in the first groove 114.

Further, referring to fig. 4, a first groove 114 is formed in the first housing 11, a first step 116 and two second steps 117 are further formed in the first housing 11, the first step 116 is disposed at a joint of an upper portion of the first groove 114 and the first housing 11, an eighth protrusion 1161 is further disposed on the first step 116, and two fifth grooves 115 are further disposed on an edge of the first groove 114 opposite to the first step 116; the two second steps 117 are respectively disposed on the front and rear side surfaces of the first housing 11, and a ninth protrusion 1171 and a tenth protrusion 1172 are sequentially disposed on the second steps 117 from top to bottom.

Further, referring to fig. 5, the locking mechanism 13 includes a first plate 131 and two second plates 136, a fourth groove 135 is disposed on a rear side surface of the first plate 131, a second protrusion 132 is disposed on a lower surface of the first plate 131, a plurality of fourth through holes 133 are disposed on the second protrusion 132, and two fifth protrusions 134 are disposed on a front side surface of the first plate 131; two the second plate 136 sets up respectively on the both ends about first plate 131, two the second plate 136 sets up relatively, be equipped with sixth lug 137 and second lug 132 from top to bottom in proper order on the second plate 136.

Further, referring to fig. 10, a third protrusion 1331 is disposed on an inner wall surface of an upper side of the fourth through hole 133, a fourth protrusion 1332 is disposed on an outer wall surface of a lower portion of the fourth through hole 133, and the fourth protrusion 1332 is disposed between the two fourth through holes 133.

Further, referring to fig. 2, 3, 4, 5 and 10, the first terminal 12 is placed into the second through hole 113, the second groove 211 and the first through hole 112 of the upper and lower rows of the first housing 11, the locking mechanism 13 is prevented from being placed on the first groove 114, the locking mechanism 13 is pressed downward, the seventh protrusion 138 of the second plate 136 enters between the ninth protrusion 1171 and the tenth protrusion 1172 on the second step 117, the two fourth protrusions 1332 of the first plate 131 enter into the two fifth grooves 115 respectively, at this time, the resulting mechanism is in a one-step locking state, at this time, the first terminal 12 is placed into the second through hole 113, the fourth through hole 133 and the first through hole 112 of the locking mechanism 13 on the upper row of the first housing 11, the locking mechanism 13 is pressed again, the seventh protrusion 138 of the first plate 131 reaches below the tenth protrusion 1172 of the second step 117, the sixth projection 137 reaches between the ninth projection 1171 and the tenth projection 1172 of the second step 117, the fifth projection 134 enters the fifth recess 115, and the two fifth projections 134 enter the first recess 114.

Further, referring to fig. 3, when the locking mechanism 13 is in a two-stage locking state, the fourth protrusion 1332 is abutted between the third fixing portion and the second fixing portion of the lower row of the first terminals 12, and the third protrusion 1331 is also disposed between the third fixing portion and the second fixing portion of the upper row of the first terminals 12. The first terminals 12 are effectively prevented from being fixed and ejected by the second terminals 22 when the first module 1 and the second module 2 are fitted.

Further, referring to fig. 9, the whole of the first cover plate 214 is a cuboid, the first cover plate 214 is sequentially and uniformly provided with a plurality of seventh grooves 215 along the length direction thereof, the whole of the seventh grooves 215 is L-shaped, the seventh grooves 215 are arranged on two mutually perpendicular surfaces of the first cover plate 214, the left end and the right end of the first cover plate 214 are respectively provided with a clamping portion, and the clamping portions can fix the first cover plate 214 on the second housing 21.

Further, referring to fig. 2, the first cover plate 214 is disposed at the left side of the second housing 21, and the first cover plate 214 is used for protecting and fixing the second terminal 22. The first cylinder 221 is clamped in the seventh groove 215, and the third cylinder 223 is disposed above the first cover plate 214.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (9)

1. A low voltage connector for a new energy road car on-board battery, comprising:

a first module including a first housing and a first terminal; the first shell comprises one or more wall surfaces, the one or more wall surfaces form a plurality of first through holes, a plurality of second through holes and a plurality of first grooves which are allowed to pass through on the first shell, and the first grooves are respectively communicated with the first through holes and the second through holes; the outer wall surface of the first shell is provided with a plurality of regular first bump structures; a locking mechanism is arranged on the first shell and is arranged in the first groove; the first terminal penetrates through the first through hole, the first groove and the second through hole;

a second module comprising a second housing and a second terminal; the second shell comprises one or more wall surfaces, the one or more wall surfaces form a third through hole and a second groove on the second shell, the third through hole is communicated with the second groove, and the second terminal part is arranged in the second groove and the third through hole in a penetrating mode;

when the first module and the second module are matched, the first shell part enters the second groove on the second shell, the second terminal penetrates through the second groove and enters the first through hole to be contacted with the first terminal, and the first bump structure enters the second groove.

2. The low-voltage connector for the vehicle-mounted battery of the new energy road automobile as claimed in claim 1, wherein the first shell and the second shell are provided with mutually matched buckling assemblies.

3. The low voltage connector for the vehicle-mounted battery of the new energy road vehicle as claimed in claim 1, wherein the first bump structure includes a plurality of first bumps provided on an outer wall surface of the first housing, the first bumps being provided on an outer wall surface of one end of the first through hole; and a third groove corresponding to each first bump is arranged in the inner wall surface of the second groove.

4. The low-voltage connector for the vehicle-mounted battery of the new energy road automobile as claimed in claim 1, wherein the locking mechanism comprises a first plate and two second plates, the two second plates are respectively arranged at two ends of the first plate, a second bump extends from a surface of the first plate between the two second plates, a plurality of fourth through holes are uniformly arranged on the second bumps, the fourth through holes are arranged along the length direction of the first plate, the fourth through holes penetrate through the second bumps along a direction perpendicular to the length direction of the first plate, a third bump is arranged on an inner wall surface of the fourth through hole close to the first plate, a plurality of fourth bumps are arranged on a surface of the second bump far from the first plate, and each fourth bump is arranged between the two fourth through holes, a fifth bump is arranged on the side surface of the first plate, the extending direction of the fifth bump is parallel to the central axis of the fourth through hole, and a fourth groove is arranged on the side surface of the first plate opposite to the side surface where the fifth bump is arranged; the two second plates are arranged oppositely, a sixth lug and a seventh lug are arranged on the opposite faces of the two second plates respectively, the sixth lug and the seventh lug are far away from the first plate, the length direction of the sixth lug and the length direction of the seventh lug are perpendicular to the length direction of the first plate, and the sixth lug is opposite to the seventh lug and close to the first plate.

5. The low voltage connector as claimed in claim 4, wherein the first recess is disposed between the first through hole and the second through hole, the first recess is disposed on the first housing, a first step and two second steps are disposed at a position where an edge of the first recess meets an outer wall surface of the first housing, an eighth protrusion is disposed at a position where the first step meets the first housing, the eighth protrusion is adapted to the fourth recess, the second recess and the two second steps are respectively disposed at two sides of the first recess, a ninth protrusion and a tenth protrusion are disposed on the second step, the ninth protrusion and the tenth protrusion are disposed at an end of the second step away from the first step, and a length direction of the ninth protrusion is parallel to a length direction of the tenth protrusion, the length direction of the ninth bump is perpendicular to the length direction of the first plate; and a twelfth bump is arranged on the inner wall surface of one end of the first through hole, which is close to the first groove.

6. The low-voltage connector for the vehicle-mounted battery of the new energy road vehicle as claimed in claim 5, wherein the first terminal includes a third housing, a first fixing portion, a second fixing portion, a third fixing portion, a first cantilever structure, a second cantilever structure and a third cantilever structure are sequentially disposed on the third housing, the first fixing portion includes two first bending edges, the two first bending edges are respectively disposed on edges of both sides of the first terminal, the two first bending edges are bent toward a central axis of the third housing, the two first bending edges are sequentially disposed along a length direction of the third housing, the second fixing portion includes two second bending edges, the two second bending edges are respectively disposed on edges of both sides of the third housing, the two second bending edges are both bent toward a central axis of the third housing, the third cantilever fixing portion includes a third bending edge and a fourth bending edge, the third cantilever fixing portion and the fourth cantilever structure are disposed on an inner wall of the third housing, the third cantilever structure is disposed on a side of the third housing, the third cantilever structure is disposed on a third connecting plate, the third cantilever structure, the third cantilever fixing portion is disposed on a side of the third cantilever structure, the third cantilever structure is disposed on a connecting plate, the third cantilever structure, the connecting plate, the third cantilever structure is disposed on a connecting plate, the third cantilever structure, the connecting plate, the third cantilever structure is disposed on the connecting plate, the third cantilever structure is disposed on the connecting plate, the third cantilever structure is disposed on the connecting plate, the connecting plate is disposed on the connecting plate, the connecting plate is disposed on the connecting plate, the.

7. The low-voltage connector for the vehicle-mounted battery of the new energy road automobile as claimed in claim 1, wherein the second terminal comprises a first column, a second column and a third column, the second column and the third column are perpendicular to the first column, the second column is arranged perpendicular to one end of the first column, the third column is arranged perpendicular to the other end of the first column, the length direction of the second column is parallel to the length direction of the third column, and the second column is opposite to the third column; the second cylinder on the second terminal is close to the one end of first cylinder is worn to set up in the third through-hole, the second cylinder is kept away from the one end setting of first cylinder is in the second recess, first cylinder with the third cylinder sets up the outside of third through-hole.

8. The low-voltage connector for the vehicle-mounted battery of the new energy road automobile as claimed in claim 7, wherein the second shell further comprises a first cover plate, a plurality of seventh grooves are formed in the first cover plate, the seventh grooves are integrally L-shaped, and the first cylinder is embedded in the seventh grooves in a clamping manner.

9. The low-voltage connector for the vehicle-mounted battery of the new energy road vehicle as claimed in claim 1, wherein the low-voltage connector for the vehicle-mounted battery of the new energy road vehicle further comprises a fixing seat.

Images