阅读说明：本技术 一种快锁活塞式浮动电源连接器 (Quick-locking piston type floating power connector ) 是由 都广雄 荆磊 王宏吉 于 2020-07-07 设计创作，主要内容包括：一种快锁活塞式浮动电源连接器,包括外壳合件与接触合件和基座合件,所述外壳合件套装于所述基座合件的一端外壁,所述接触合件的一端固定于所述基座合件内,所述接触合件的另一端外伸于所述基座合件,所述接触合件的另一端外伸部分嵌入于盖板合件内,所述接触合件的另一端端部垂直设有活塞式结构的浮动接触件,所述浮动接触件安装于所述盖板合件内,所述浮动接触件的安装口外伸于所述盖板合件,所述浮动接触件用以适用于不同高度PCB板的电性装配需要；本发明采用一体结构的电源连接器,免除了传统连接器复杂的装配工序,直接做成一体式,便于插入、拆卸。(A quick-locking piston type floating power connector comprises a shell assembly, a contact assembly and a base assembly, wherein the shell assembly is sleeved on the outer wall of one end of the base assembly, one end of the contact assembly is fixed in the base assembly, the other end of the contact assembly extends out of the base assembly, the extending part of the other end of the contact assembly is embedded in a cover plate assembly, a floating contact element of a piston type structure is vertically arranged at the end part of the other end of the contact assembly, the floating contact element is installed in the cover plate assembly, an installation opening of the floating contact element extends out of the cover plate assembly, and the floating contact element is used for meeting the requirement of electrical assembly of PCB plates with different heights; the power connector with an integrated structure is adopted, the complex assembly process of the traditional connector is eliminated, and the power connector is directly made into an integrated type and is convenient to insert and disassemble.)

1. A quick-lock piston type floating power connector is characterized in that: the PCB floating assembly comprises a shell assembly, a contact assembly and a base assembly, wherein the shell assembly is sleeved on the outer wall of one end of the base assembly, one end of the contact assembly is fixed in the base assembly, the other end of the contact assembly extends out of the base assembly, the extending part of the other end of the contact assembly is embedded in the cover plate assembly, a floating contact element of a piston structure is vertically arranged at the end part of the other end of the contact assembly, the floating contact element is installed in the cover plate assembly, a mounting opening of the floating contact element extends out of the cover plate assembly, and the floating contact element is used for being suitable for the electric assembly requirements of PCBs with different heights.

2. A quick lock piston type floating power connector as claimed in claim 1, wherein: the floating contact piece comprises a sleeve, a crown spring and a guide needle, wherein the bottom end of the guide needle is embedded into the end part of the contact assembly, the guide needle extends into the inner bottom of the sleeve, an internal thread structure is formed in the top of the inner part of the sleeve, the crown spring is sleeved on the outer wall of the guide needle, the crown spring is arranged in the sleeve between the guide needles, and the crown spring, the guide needle and the sleeve are in elastic compression joint to form electric contact.

3. A quick lock piston type floating power connector as claimed in claim 2, wherein: the guide needle comprises a cylinder and a positioning seat, the outer wall of the positioning seat is of a sawtooth structure, the positioning seat is assembled in the contact assembly in an interference mode, the top surface of the positioning seat is concentrically provided with the cylinder, the outer wall of the cylinder is vertically and symmetrically provided with limiting blocks, the sleeve is of a hollow cylindrical shape, the cylinder is installed at the bottom of the inner portion of the sleeve, the bottom of the sleeve is symmetrically provided with limiting grooves, the limiting blocks extend into the limiting grooves, and the limiting blocks are used for preventing the sleeve from horizontally rotating; the inner wall of the cover plate assembly is provided with a matching groove, the matching groove is a circular groove, and the sleeve is embedded into the matching groove.

4. A quick lock piston type floating power connector as claimed in claim 3, wherein: the inner wall of the limiting groove is protruded with a conical protrusion, the conical protrusion is stopped at the bottom of the limiting block, and the conical protrusion is used for preventing the sleeve from being separated in the vertical direction.

5. A quick lock piston type floating power connector as claimed in claim 2, wherein: the utility model discloses a contact piece, including contact piece, cylinder, apron piece, guide pin, locating seat, cylinder, cover plate, cylinder and locating seat, the guide pin includes cylinder and locating seat, the outer wall of locating seat is the sawtooth structure, locating seat interference fit in the contact piece, the top surface of locating seat is equipped with the cylinder with one heart, the sleeve includes barrel and lower barrel, it is the ring structure to go up the barrel, the barrel is circle structure in the foreign side down, it locates to go up the barrel the top of barrel down, the cylinder stretch into in the barrel down, the cooperation groove has been seted up to the inner wall of apron piece, the top in cooperation groove is circular recess, bottom is the rectangular recess, it imbeds in the circular recess to go up the barrel, the outer wall rectangular surface laminating embedding of barrel.

6. A quick lock piston type floating power connector as claimed in claim 5, wherein: the inner wall of the circular groove is provided with an inwards concave floating sliding groove, the top of the outer wall of the upper barrel is provided with an upper retaining ring, the middle of the outer wall of the upper barrel is provided with a floating ring, the floating ring is embedded into the floating sliding groove in a sliding mode, the upper retaining ring is arranged at the top of the cover plate assembly, and the floating ring and the upper retaining ring are used for preventing the sleeve from being separated in the vertical direction.

7. A quick lock piston type floating power connector as claimed in claim 1, wherein: the contact closes the piece and includes positioning conductor and external conductor, positioning conductor imbed in the piece is closed to the base, external conductor overhang in the piece is closed to the base, external conductor imbed in the apron closes the piece, positioning conductor's outer wall has seted up the annular, the elastic locking ring of the outside suit of annular, positioning conductor's outer wall is equipped with the barb, positioning conductor's tip both sides are the planomum, locking ring, barb, planomum all with the inner wall cooperation setting of piece is closed to the base, external conductor is including bending section and external board, the section of bending is the decurrent inclined plane structure of slope, the one end of the section of bending is connected positioning conductor, the other end are connected outer fishplate, the perpendicular surface of outer fishplate is equipped with the contact that floats.

8. A quick lock piston type floating power connector as claimed in claim 7, wherein: the inner wall of the cover plate assembly is provided with a groove matched with the external conductor, the inner wall of the groove is provided with a convex rib, and the rib is used for filling a gap between the external conductor and the groove.

Technical Field

The invention belongs to the technical field of electric connectors, and particularly relates to a quick-locking piston type floating power connector.

Background

The power connector is widely applied to communication equipment, household appliances, industrial equipment, aerospace and military fields, in particular to a signal transmission module of a base station in the communication field. Along with the rapid development of industrial electronic technology, intelligent automobiles and communication markets, the market demand of the power connector is also increasing, and in addition, the rapid development of the technological level and the rapid penetration of electronic products to various fields promote the power connector to develop towards the direction of miniaturization, convenience, low cost, high reliability, strong universality and simple structure.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a quick-locking piston type floating power connector, which has the following specific technical scheme:

the quick-locking piston type floating power connector comprises a shell assembly, a contact assembly and a base assembly, wherein the shell assembly is sleeved on the outer wall of one end of the base assembly, one end of the contact assembly is fixed in the base assembly, the other end of the contact assembly extends out of the base assembly, the extending part of the other end of the contact assembly is embedded in a cover plate assembly, a floating contact element of a piston type structure is vertically arranged at the end part of the other end of the contact assembly, the floating contact element is installed in the cover plate assembly, a mounting hole of the floating contact element extends out of the cover plate assembly, and the floating contact element is used for meeting the requirement of electrical assembly of PCB plates with different heights.

Further, the floating contact piece comprises a sleeve, a crown spring and a guide needle, the bottom end of the guide needle is embedded into the end part of the contact closing piece, the guide needle extends into the bottom inside the sleeve, an internal thread structure is arranged at the top inside the sleeve, the crown spring is sleeved on the outer wall of the guide needle, the crown spring is arranged between the sleeve and the guide needle, and the crown spring, the guide needle and the sleeve are in elastic compression joint to form electric contact.

Further, the guide needle comprises a cylinder and a positioning seat, the outer wall of the positioning seat is of a sawtooth structure, the positioning seat is assembled in the contact assembly in an interference mode, the top surface of the positioning seat is concentrically provided with the cylinder, the outer wall of the cylinder is vertically and symmetrically provided with limiting blocks, the sleeve is of a hollow cylindrical shape, the cylinder is installed at the bottom inside the sleeve, the bottom of the sleeve is symmetrically provided with limiting grooves, the limiting blocks extend into the limiting grooves, and the limiting blocks are used for preventing the sleeve from horizontally rotating; the inner wall of the cover plate assembly is provided with a matching groove, the matching groove is a circular groove, and the sleeve is embedded into the matching groove.

Furthermore, some conical protrusions are protruded from the inner wall of the limiting groove, the conical protrusions stop at the bottom of the limiting block, and the conical protrusions are used for preventing the sleeve from being separated in the vertical direction.

Further, the direction needle includes cylinder and positioning seat, the outer wall of positioning seat is the sawtooth structure, positioning seat interference fit in the contact closes the piece, the top surface of positioning seat is equipped with the cylinder with one heart, the sleeve includes barrel and lower barrel, it is the ring structure to go up the barrel, the barrel is circle structure in the foreign side down, it locates to go up the barrel the top of barrel down, the cylinder stretch into in the barrel down, the cooperation groove has been seted up to the inner wall of apron closed piece, the top in cooperation groove is circular recess, bottom are the rectangular channel, it imbeds in the circular recess to go up the barrel, the laminating of the outer wall rectangular surface of barrel is embedded in the rectangular channel down, the rectangular channel is used for preventing the sleeve level rotates.

Furthermore, the inner wall of the circular groove is provided with an inwards-concave floating sliding groove, the top of the outer wall of the upper barrel is provided with an upper retaining ring, the middle of the outer wall of the upper barrel is provided with a floating ring, the floating ring is embedded into the floating sliding groove in a sliding manner, the upper retaining ring is arranged at the top of the cover plate assembly, and the floating ring is used for preventing the sleeve from being separated in the vertical direction.

Further, the contact closes the piece and includes positioning conductor and external conductor, positioning conductor imbed in the base closes the piece, external conductor stretch in the base closes the piece, external conductor imbeds in the apron closes in the piece, the annular has been seted up to positioning conductor's outer wall, the elastic locking ring of the outside suit of annular, positioning conductor's outer wall is equipped with the barb, positioning conductor's tip both sides are the planomum, locking ring, barb, planomum all with the inner wall cooperation setting of base closes the piece, external conductor is including bending section and external board, the section of bending is the decurrent inclined plane structure of slope, the one end of the section of bending is connected positioning conductor, the other end is connected outer fishplate bar, the perpendicular surface of outer fishplate is equipped with the contact that floats.

Furthermore, the inner wall of the cover plate assembly is provided with a groove matched with the external conductor, the inner wall of the groove is provided with a convex rib, and the rib is used for filling a gap between the external conductor and the groove.

The invention has the beneficial effects that:

1. the shell assembly, the contact assembly, the base assembly, the cover plate assembly and the floating contact element are matched and sleeved, so that the power connector with an integrated structure is formed, the complex assembly process of the traditional connector is eliminated, the connector is directly made into an integrated type, the insertion and the disassembly are convenient, and the installation and the maintenance of the connector are greatly simplified;

2. the floating contact piece can adjust the height of the mounting opening according to the position of the PCB, so that the universality and the reliability of the connector are greatly improved, and the connector can reliably supply power to a PCB subsystem under the working conditions of different mounting positions of the PCB;

3. be provided with multiple backstop limit structure in the contact that floats, the effectual telescopic structural strength that has improved guarantees the stability of contact.

Drawings

Fig. 1 is a schematic structural view showing an embodiment of a quick lock piston type floating power connector of the present invention;

FIG. 2 is a schematic diagram of a second embodiment of the quick lock piston type floating power connector of the present invention;

FIG. 3 shows a schematic view of the contact assembly structure of the present invention;

FIG. 4 shows a schematic diagram of the crown spring structure of the present invention;

FIG. 5 is a schematic view showing the structure of a guide according to the first embodiment;

FIG. 6 is a schematic view showing the structure of the sleeve according to the first embodiment;

FIG. 7 is a schematic view showing a fitting structure of the sleeve and the limiting block according to the first embodiment;

FIG. 8 is a schematic diagram showing a connection structure of a contact element and a floating contact element according to the first embodiment;

FIG. 9 is a schematic cross-sectional view of the contact element according to the first embodiment;

FIG. 10 is a schematic view of the cover assembly according to the first embodiment;

FIG. 11 is a schematic view showing the structure of a guide according to the second embodiment;

FIG. 12 is a schematic view showing the structure of the sleeve according to the second embodiment;

FIG. 13 is a schematic view showing a connection structure of the contact element and the floating contact element according to the second embodiment;

FIG. 14 is a schematic view showing the structure of the cover plate according to the second embodiment;

fig. 15 is a schematic cross-sectional view of the floating contact according to the second embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 or fig. 2, a quick-lock piston type floating power connector includes a housing assembly 1, a contact assembly 2 and a base assembly 3, where the housing assembly 1 is sleeved on an outer wall of one end of the base assembly 3, one end of the contact assembly 2 is fixed in the base assembly 3, the other end of the contact assembly 2 extends out of the base assembly 3, an extending portion of the other end of the contact assembly 2 is embedded in a cover assembly 4, a floating contact 5 in a piston structure is vertically arranged at an end portion of the other end of the contact assembly 2, the floating contact 5 is installed in the cover assembly 4, a mounting opening of the floating contact 5 extends out of the cover assembly 4, and the floating contact 5 is used for electrical assembly requirements of PCBs with different heights; the shell assembly 1, the contact assembly 2, the base assembly 3, the cover plate assembly 4 and the floating contact element 5 are matched and sleeved, so that the power connector with an integrated structure is formed, the complex assembly procedure of the traditional connector is eliminated, the traditional connector is directly made into an integrated structure, the insertion and the disassembly are convenient, and the installation and the maintenance of the connector are greatly simplified; meanwhile, the floating contact piece 5 can adjust the height of the mounting opening according to the position of the PCB, and the universality and the reliability of the connector are greatly improved.

As shown in fig. 3, the contact element 2 comprises a positioning conductor 21 and an external conductor 22, the positioning conductor 21 being embedded in the base element 3, the external conductor 22 is extended from the base assembly 3, the external conductor 22 is embedded in the cover assembly 4, the outer wall of the positioning conductor 21 is provided with an annular groove 211, an elastic locking ring 213 is sleeved outside the annular groove 211, the outer wall of the positioning conductor 21 is provided with barbs, two sides of the end part of the positioning conductor 21 are flat surfaces 212, the locking ring 213, the barb and the flat surface 212 are all matched with the inner wall of the base assembly 3, the external conductor 22 comprises a bending section 221 and an external board 22, the bending section 221 is an inclined plane structure which inclines downwards, one end of the bending section 221 is connected to the positioning conductor 21, and the other end is connected to the external connection plate 222, and the floating contact 5 is vertically arranged on the surface of the external connection plate 222; the bending section 221 can sufficiently reduce the height position of the external connection plate 222, thereby greatly reducing the overall size of the connector; the flat surface 212 prevents the contact element assembly 2 from deflecting in the base assembly 3, so that a positioning effect is achieved; the locking ring and the barb can improve the positioning strength of the contact assembly.

As an improvement of the above technical solution, a groove 42 matched with the external conductor 22 is formed in an inner wall of the cover plate assembly 4, a protruding rib 421 is formed in the inner wall of the groove 42, and the rib 421 is used for filling a gap between the external conductor 22 and the groove 42; ribs 421 can reduce the clearance between apron and the external conductor 22, improves cooperation intensity between them, prevents to lap to close to rocking after the piece is assembled.

As an improvement of the above technical solution, the floating contact 5 includes a sleeve 52, a crown spring 53 and a guide pin 51, the bottom end of the guide pin 51 is embedded into the end of the contact assembly 5, the guide pin 51 extends into the bottom inside the sleeve 52, the top inside the sleeve 52 is provided with an internal thread structure, the crown spring 53 is sleeved on the outer wall of the guide pin 51, the crown spring 53 is arranged between the sleeve 52 and the guide pin 51, and the crown spring 53, the guide pin 51 and the sleeve 52 are in elastic pressure contact; the crown spring 53 with the elastic structure can realize the electric contact between the guide needle 51 and the sleeve 52 on one hand, and can improve the matching strength between the guide needle 51 and the sleeve 52 on the other hand, so that the connection of the guide needle 51 and the sleeve 52 is tighter, and the structural strength and the electric transmission can be ensured in the floating process; the guide needle 51 is used for connecting the contact assembly 5 and is used as a guide and support part for floating of the sleeve 52; the sleeve 52 is used for connecting an external PCB board through a screw, and the position of the mounting opening can be adjusted in a sliding mode up and down.

The shell assembly 1 is also provided with a ceramic bead structure for pushing and pulling the quick lock and an O-shaped ring with sealed interface; the two ends of the guide needle 51 are in arc fillet transition, so that the resistance in assembly is reduced; the cover plate assembly 4 is formed by buckling two cover plates;

the floating contact 5 described above is exemplified by the following two embodiments: