Elastic buckle preassembled connector

Abstract

The utility model belongs to the technical field of connectors, and particularly relates to an elastic buckle preassembled connector, which comprises an outer shell, a conductive terminal and an insulating cylinder provided with an inner through hole, the insulating cylinder is also provided with an inner elastic buckle extending into the inner through hole, and the conductive terminal is provided with a first clamping groove matched with the inner elastic buckle; the conductive terminal is inserted in the inner through hole, and the inner elastic buckle is clamped in the first clamping groove; the outer shell is provided with a containing hole and a second clamping groove communicated with the containing hole, and the insulating cylinder is provided with an outer elastic buckle matched with the second clamping groove; the insulating cylinder is installed in the accommodating hole, and the outer elastic buckle is clamped in the second clamping groove. According to the utility model, the assembling operation among the conductive terminal, the insulating cylinder and the outer shell is simple, and the elastic buckle preassembled connector has fewer parts and is low in equipment cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to connector technical field, especially, relate to a spring buckle preassembled connector. BACKGROUND

[0002] The electric connector is a kind of component between two devices to realize electric connection, signal connection, for realizing transmission between two devices, signal parameter etc. Electric connector includes shell body, insulating seat installed in shell body and signal terminal installed in insulating seat, and signal terminal is directly installed in the inner hole of insulating seat;In order to guarantee the stability of signal terminal installed in insulating seat, usually need to additionally set buckle, and buckle can be connected in insulating seat;However, the design of separate buckle not only increases the part quantity and equipment cost of electric connector, but also reduces the assembly difficulty of electric connector. SUMMARY

[0003] The utility model embodiment provides a spring buckle preassembled connector to solve the technical problem that the electric connector in prior art exists assembly operation is more complex.

[0004] An embodiment of the utility model provides a spring buckle preassembled connector, including shell body, conducting terminal and the insulating cylinder being equipped with inner through hole;

[0005] The insulating cylinder is also equipped with inner spring buckle that is inserted into the inner through hole, and the conducting terminal is equipped with the first clamping slot that is matched with the inner spring buckle;The conducting terminal is inserted in the inner through hole, and the inner spring buckle is clamped in the first clamping slot;

[0006] The shell body is equipped with accommodating hole and the second clamping slot that is communicated with the accommodating hole, and the insulating cylinder is equipped with outer spring buckle that is matched with the second clamping slot;The insulating cylinder is installed in the accommodating hole, and the outer spring buckle is clamped in the second clamping slot.

[0007] Optionally, the insulating cylinder is equipped with outer groove and inner groove that is communicated with the inner through hole, the inner spring buckle is connected to the bottom wall of the inner groove, and the outer spring buckle is connected to the bottom wall of the outer groove.

[0008] Optionally, the outer wall of the shell body is equipped with outer plate, and the outer plate is equipped with annular groove;The spring buckle preassembled connector further includes end plate and sealing ring, the sealing ring is installed in the annular groove, the end plate is installed on the outer plate, and the sealing ring and the end plate abut.

[0009] Optionally, the upper side of the sealing ring is equipped with a plurality of first annular protrusions that are spaced apart, and the first annular protrusions abut with the end plate;

[0010] The lower side of the sealing ring is provided with a plurality of second annular protrusions distributed at intervals, and the second annular protrusions abut against the bottom wall of the annular groove.

[0011] Optionally, an inner wall of the sealing ring is provided with a plurality of protrusions distributed at intervals, and the protrusions abut against the inner side wall of the annular groove.

[0012] An inner wall corner of the sealing ring is provided with a clamping arm, the outer shell is provided with a third clamping groove matched with the clamping arm, and the clamping arm is clamped in the third clamping groove.

[0013] Optionally, the elastic buckle pre-installed connector further comprises a shielding cylinder and a limiting cylinder provided with an outward turned edge, the outer wall of the shielding cylinder is provided with a plurality of side holes distributed at intervals, each side hole is provided with an elastic arm, the limiting cylinder is sleeved on the conductive terminal, the shielding cylinder is sleeved on the limiting cylinder and abuts against the outward turned edge, and the elastic arm abuts against the inner wall of the accommodating hole.

[0014] Optionally, the elastic buckle pre-installed connector further comprises a sealing cylinder and an end cover cylinder, the sealing cylinder is sleeved on the conductive terminal, the end cover cylinder is sleeved on the conductive terminal and clamped with the outer wall of the outer shell, one end of the sealing cylinder abuts against one side of the shielding cylinder away from the outward turned edge, and the other end of the sealing cylinder abuts against the end cover cylinder.

[0015] Optionally, the end cover cylinder comprises a cylinder body and a side plate connected with the cylinder body, the side plate is provided with a clamping hole, a first guide hole and a second guide hole located on opposite sides of the clamping hole, and the outer wall of the outer shell is provided with a clamping block and a first guide block and a second guide block located on opposite sides of the clamping block.

[0016] The cylinder body is sleeved on the conductive terminal, the clamping block is clamped in the clamping hole, the first guide block is inserted into the first guide hole, and the second guide block is inserted into the second guide hole.

[0017] Optionally, an inner guide block is arranged on the inner wall of the accommodating hole, and an outer guide groove is arranged on the outer wall of the insulating cylinder, and the inner guide block is inserted into the outer guide groove.

[0018] Optionally, the insulating cylinder is further provided with an annular hole arranged around the inner through hole.

[0019] In this invention, the insulating cylinder is further provided with an inner spring buckle extending into the inner through hole, and the conductive terminal is provided with a first slot adapted to the inner spring buckle; after the conductive terminal is inserted into the inner through hole, the inner spring buckle will automatically engage in the first slot, thereby ensuring the stability of the conductive terminal inserted into the inner through hole. The outer shell is provided with a receiving hole and a second slot communicating with the receiving hole, and the insulating cylinder is provided with an outer spring buckle that mates with the second slot; when the insulating cylinder is installed in the receiving hole, the outer spring buckle will automatically engage in the second slot, thereby ensuring the stability and convenience of the insulating cylinder being installed in the outer shell. In this invention, the assembly operation between the conductive terminal, the insulating cylinder, and the outer shell is simple, and the spring buckle pre-installed connector has fewer parts and lower equipment cost. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of a spring-loaded pre-assembled connector provided in one embodiment of the present invention;

[0022] Figure 2 This is a cross-sectional view of a spring-loaded pre-assembled connector provided in an embodiment of this utility model;

[0023] Figure 3 This is an exploded view of the pre-assembled spring-loaded connector according to an embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the outer shell of the spring-loaded pre-assembled connector provided in one embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the insulating cylinder of the spring-loaded pre-assembled connector provided in one embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the sealing ring of the spring-loaded pre-installed connector provided in one embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the end cap cylinder of the spring-loaded pre-assembled connector provided in one embodiment of the present invention.

[0028] The reference numerals in the accompanying drawings are as follows:

[0029] 1, outer shell; 11, containing hole; 12, second clamping groove; 13, outer plate; 131, annular groove; 14, third clamping groove; 15, clamping block; 16, first guide block; 17, second guide block; 2, conductive terminal; 21, first clamping groove; 3, insulating cylinder; 31, inner through hole; 32, inner elastic buckle; 33, outer elastic buckle; 34, outer groove; 35, inner groove; 36, outer guide groove; 37, annular hole; 4, end plate; 5, sealing ring; 51, first annular protrusion; 52, protruding block; 53, clamping arm; 6, shielding cylinder; 7, limiting cylinder; 71, outer flange; 8, sealing cylinder; 9, end cover cylinder; 91, cylinder body; 92, side plate; 921, clamping hole; 922, first guide hole; 923, second guide hole. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0031] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] As shown in Figures 1 to 5 An embodiment of the utility model provides a buckle preloaded connector, which comprises an outer shell 1, a conductive terminal 2 and an insulating cylinder 3 provided with an inner through hole 31. It can be understood that the outer shell 1 can be a cylindrical structure, a square structure and the like, and the outer shell 1 is made of metal material.

[0034] The insulating cylinder 3 is further provided with an inner elastic buckle 32 extending into the inner through hole 31, and the conductive terminal 2 is provided with a first clamping groove 21 matched with the inner elastic buckle 32; the conductive terminal 2 is inserted into the inner through hole 31, and the inner elastic buckle 32 is clamped in the first clamping groove 21; it can be understood that the clamping end of the inner elastic buckle 32 is located in the inner through hole 31, both ends of the conductive terminal 2 are located outside the outer shell 1, and the insulating cylinder 3 is located inside the outer shell 1.

[0035] The outer shell 1 is provided with a receiving hole 11 and a second clamping groove 12 communicating with the receiving hole 11, and the insulating cylinder 3 is provided with an outer elastic buckle 33 matched with the second clamping groove 12; the insulating cylinder 3 is installed in the receiving hole 11, and the outer elastic buckle 33 is clamped in the second clamping groove 12. It can be understood that the outer elastic buckle 33 and the second clamping groove 12 can be provided with a plurality of according to actual needs.

[0036] In the utility model, the insulating cylinder 3 is further provided with an inner elastic buckle 32 extending into the inner through hole 31, and the conductive terminal 2 is provided with a first clamping groove 21 matched with the inner elastic buckle 32; after the conductive terminal 2 is inserted into the inner through hole 31, the inner elastic buckle 32 will be automatically clamped in the first clamping groove 21, thereby guaranteeing the stability of the conductive terminal 2 inserted into the inner through hole 31. The outer shell 1 is provided with a receiving hole 11 and a second clamping groove 12 communicating with the receiving hole 11, and the insulating cylinder 3 is provided with an outer elastic buckle 33 matched with the second clamping groove 12; when the insulating cylinder 3 is installed in the receiving hole 11, the outer elastic buckle 33 will be automatically clamped in the second clamping groove 12, thereby guaranteeing the stability and convenience of the insulating cylinder 3 installed in the outer shell 1. In the utility model, the assembly operation between the conductive terminal 2, the insulating cylinder 3 and the outer shell 1 is simple, and the parts of the elastic buckle preassembled connector are less, and the equipment cost is low.

[0037] In an embodiment, as shown in Figure 5 The insulating cylinder 3 is further provided with an inner elastic buckle 32 extending into the inner through hole 31, and the conductive terminal 2 is provided with a first clamping groove 21 matched with the inner elastic buckle 32; after the conductive terminal 2 is inserted into the inner through hole 31, the inner elastic buckle 32 will be automatically clamped in the first clamping groove 21, thereby guaranteeing the stability of the conductive terminal 2 inserted into the inner through hole 31. The outer shell 1 is provided with a receiving hole 11 and a second clamping groove 12 communicating with the receiving hole 11, and the insulating cylinder 3 is provided with an outer elastic buckle 33 matched with the second clamping groove 12; when the insulating cylinder 3 is installed in the receiving hole 11, the outer elastic buckle 33 will be automatically clamped in the second clamping groove 12, thereby guaranteeing the stability and convenience of the insulating cylinder 3 installed in the outer shell 1. In the utility model, the assembly operation between the conductive terminal 2, the insulating cylinder 3 and the outer shell 1 is simple, and the parts of the elastic buckle preassembled connector are less, and the equipment cost is low.

[0038] In an embodiment, as shown in Figures 1 to 4 The outer wall of the outer shell 1 is provided with an outer plate 13, and the outer plate 13 is provided with an annular groove 131; the elastic buckle pre-installed connector further comprises an end plate 4 and a sealing ring 5, the sealing ring 5 is installed in the annular groove 131, the end plate 4 is installed on the outer plate 13, and the sealing ring 5 abuts against the end plate 4. Understandably, the outer plate 13 and the end plate 4 can both be square plates, and the end plate 4 can be installed on the outer plate 13 by screws, bolts or other fixing members; the sealing ring 5 is compressed between the end plate 4 and the outer plate 13, and the sealing ring 5 is arranged around the inner through hole 31, which ensures the waterproof level of the elastic buckle pre-installed connector.

[0039] In an embodiment, as shown in Figure 2 and Figure 6 The upper side of the sealing ring 5 is provided with a plurality of first annular protrusions 51 distributed at intervals, and the first annular protrusions 51 abut against the end plate 4; the lower side of the sealing ring 5 is provided with a plurality of second annular protrusions (not shown in the figure) distributed at intervals, and the second annular protrusions abut against the bottom wall of the annular groove 131. Understandably, the number of the first annular protrusions 51 and the second annular protrusions can be set according to actual needs, and annular water storage grooves are formed between adjacent two first annular protrusions 51 and adjacent two second annular protrusions, which further improves the waterproof level of the elastic buckle pre-installed connector.

[0040] In an embodiment, as shown in Figure 4 and Figure 6 The inner wall of the sealing ring 5 is provided with a plurality of protrusions 52 distributed at intervals, and the protrusions 52 abut against the inner side wall of the annular groove 131; Understandably, the number of the protrusions 52 can be set according to actual needs, and the protrusions 52 can make the sealing ring 5 tightly compressed in the annular groove 131.

[0041] The inner wall corner of the sealing ring 5 is provided with a clamping arm 53, the outer shell 1 is provided with a third clamping groove 14 matched with the clamping arm 53, and the clamping arm 53 is clamped in the third clamping groove 14. Understandably, the sealing ring 5 is a square ring, and the four inner corners of the sealing ring 5 are all provided with the clamping arm 53, which is clamped in the third clamping groove 14, thereby ensuring the stability of the sealing ring 5 installed on the outer shell 1.

[0042] In an embodiment, as shown in Figure 2 and Figure 3As shown, the snap-fit pre-assembled connector further comprises a shielding cylinder 6 and a limiting cylinder 7 provided with an outward flange 71; the outer wall of the shielding cylinder 6 is provided with a plurality of side holes distributed at intervals, and each side hole is provided with a spring arm; the limiting cylinder 7 is sleeved on the conductive terminal 2, the shielding cylinder 6 is sleeved on the limiting cylinder 7 and abuts against the outward flange 71, and the spring arm abuts against the inner wall of the accommodating hole 11. Understandably, the limiting cylinder 7 can limit the shielding cylinder 6 from the bottom, and the limiting cylinder can limit the shielding cylinder 6 in the accommodating hole 11; the structure of the snap-fit pre-assembled connector is compact and occupies small space.

[0043] In an embodiment, as shown in Figure 2 and Figure 3 , the snap-fit pre-assembled connector further comprises a sealing cylinder 8 and an end cover cylinder 9, the sealing cylinder 8 is sleeved on the conductive terminal 2, and the end cover cylinder 9 is sleeved on the conductive terminal 2 and is clamped with the outer wall of the shell 1, one end of the sealing cylinder 8 abuts against one side of the shielding cylinder 6 away from the outward flange 71, and the other end of the sealing cylinder 8 abuts against the end cover cylinder 9. Understandably, the sealing cylinder 8 can block the accommodating hole 11 from the bottom, and the end cover cylinder 9 is installed on the shell 1 from the bottom and presses the sealing sleeve in the accommodating hole 11.

[0044] In an embodiment, as shown in Figure 1 , Figure 4 and Figure 7 , the end cover cylinder 9 comprises a cylinder body 91 and a side plate 92 connected to the cylinder body 91, the side plate 92 is provided with a clamping hole 921 and first and second guide holes 922 and 923 located on opposite sides of the clamping hole 921, and the outer wall of the shell 1 is provided with a clamping block 15 and first and second guide blocks 16 and 17 located on opposite sides of the clamping block 15; Understandably, the side plate 92 can be an arc-shaped plate matched with the shell 1; the first and second guide holes 922 and 923 are respectively arranged on the left and right sides of the clamping hole 921, and the first and second guide blocks 16 and 17 are respectively located on the left and right sides of the clamping block 15.

[0045] The barrel 91 is sleeved on the conductive terminal 2, the clamping block 15 is clamped in the clamping hole 921, the first guide block 16 is inserted into the first guide hole 922, and the second guide block 17 is inserted into the second guide hole 923. Specifically, in the process that the end cover barrel 9 is docked with the outer shell 1, the first guide block 16 slides in the first guide hole 922, the second guide block 17 slides in the second guide hole 923, and the clamping block 15 is clamped in the clamping hole 921. In the embodiment, the disassembly operation between the end cover barrel 9 and the outer shell 1 is simple.

[0046] In an embodiment, as shown in Figure 5 It can be understood that, in the process that the insulating barrel 3 is installed in the accommodating hole 11, the inner guide block slides along the outer guide groove 36, so that the insulating barrel 3 and the outer shell 1 do not deviate, and the precision of the installation of the insulating barrel 3 in the outer shell 1 is ensured.

[0047] In an embodiment, as shown in Figure 2 It can be understood that the inside of the annular hole 37 is air, and surrounds the conductive terminal 2. The design of the annular hole 37 makes the conductive terminal 2 and the outer shell 1 have air space, so that the static electricity on the conductive terminal 2 is not easy to break the outer shell 1, the safety of the elastic buckle pre-connector is ensured, the circumferential size of the elastic buckle pre-connector is reduced, and the compactness of the elastic buckle pre-connector is improved.

[0048] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A snap-fit pre-connector, characterized by, The shell body, the conductive terminal and the insulating cylinder with an inner through hole are provided; The insulating cylinder is further provided with an inner elastic buckle extending into the inner through hole, and the conductive terminal is provided with a first clamping groove matched with the inner elastic buckle; the conductive terminal is inserted into the inner through hole, and the inner elastic buckle is clamped in the first clamping groove; The outer shell is provided with a containing hole and a second clamping groove communicating with the containing hole, and the insulating cylinder is provided with an outer elastic buckle matched with the second clamping groove; the insulating cylinder is installed in the containing hole, and the outer elastic buckle is clamped in the second clamping groove.

2. The snap-fit preconnector according to claim 1, characterized in that, The insulating cylinder is provided with an outer groove and an inner groove communicating with the inner through hole, the inner elastic buckle is connected to the bottom wall of the inner groove, and the outer elastic buckle is connected to the bottom wall of the outer groove.

3. The snap-fit preconnector of claim 1, wherein, The outer wall of the outer shell is provided with an outer plate, and the outer plate is provided with an annular groove; the elastic buckle pre-installed connector further comprises an end plate and a sealing ring, the sealing ring is installed in the annular groove, the end plate is installed on the outer plate, and the sealing ring is in abutment with the end plate.

4. The snap-fit preconnector according to claim 3, characterized in that, The upper side of the sealing ring is provided with a plurality of first annular protrusions distributed at intervals, and the first annular protrusions are in abutment with the end plate; The lower side of the sealing ring is provided with a plurality of second annular protrusions distributed at intervals, and the second annular protrusions are in abutment with the bottom wall of the annular groove.

5. The snap-fit preconnector of claim 3, wherein, The inner wall of the sealing ring is provided with a plurality of protrusions distributed at intervals, and the protrusions are in abutment with the inner side wall of the annular groove; The inner wall corner of the sealing ring is provided with a clamping arm, and the outer shell is provided with a third clamping groove matched with the clamping arm, and the clamping arm is clamped in the third clamping groove.

6. The snap-fit preconnector of claim 1, wherein, The elastic buckle pre-installed connector further comprises a shielding cylinder and a limiting cylinder provided with an outward turned edge; the outer wall of the shielding cylinder is provided with a plurality of side holes distributed at intervals, and each side hole is provided with a spring arm; the limiting cylinder is sleeved on the conductive terminal, the shielding cylinder is sleeved on the limiting cylinder and is in abutment with the outward turned edge, and the spring arm is in abutment with the inner wall of the containing hole.

7. The snap-fit preconnector according to claim 6, characterized in that, The elastic buckle pre-installed connector further comprises a sealing cylinder and an end cover cylinder, the sealing cylinder is sleeved on the conductive terminal, the end cover cylinder is sleeved on the conductive terminal and is in abutment with the outer wall of the outer shell, one end of the sealing cylinder is in abutment with one side of the outward turned edge away from the shielding cylinder, and the other end of the sealing cylinder is in abutment with the end cover cylinder.

8. The snap-fit preconnector according to claim 7, characterized in that, The end cover cylinder comprises a cylinder body and a side plate connected to the cylinder body, the side plate is provided with a clamping hole, a first guide hole and a second guide hole located on opposite sides of the clamping hole, and the outer wall of the outer shell is provided with a clamping block and a first guide block and a second guide block located on opposite sides of the clamping block; The cylinder body is sleeved on the conductive terminal, the clamping block is clamped in the clamping hole, the first guide block is inserted into the first guide hole, and the second guide block is inserted into the second guide hole.

9. The snap-fit preconnector of claim 1, wherein, The inner wall of the containing hole is provided with an inner guide block, and the outer wall of the insulating cylinder is provided with an outer guide groove, and the inner guide block is inserted into the outer guide groove.

10. The snap-fit preconnector of claim 1, wherein, The insulating cylinder is further provided with an annular hole arranged around the inner through hole.

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