CN222072406U - An easily disassembled multi-section connector - Google Patents

Abstract

A multi-section connector that is easy to disassemble and assemble includes: a first connection component; a second connection component; an adapter component, which is transitionally connected between the first connection component and the second connection component; the first connection component includes a first straight connection shell; a connection base, the top of which is provided with an annular abutment end face, and the annular abutment end face is arranged with first serrations; a bend-type adapter shell, which has a horizontal section and a vertical section, the horizontal section is inserted into the first straight connection shell, the vertical section is inserted into the connection base, and the outer wall of the vertical section is provided with second serrations, the first serrations and the second serrations are interlocked with each other; a first pin mounting plate, which is used to connect pins, and the first pin mounting plate is clamped between the bend-type adapter shell and the adapter component. The utility model adopts a multi-section combination structure that is connected front and back, and has an uninterrupted structure in the middle, which is more compact and reliable, and improves the overall strength and waterproof sealing performance of the connector.

Description

Easily-disassembled multi-section connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a multi-section connector easy to assemble and disassemble.

Background

The connector mainly refers to an electrical connector. The connector is also called a connector. Also referred to herein as connectors and sockets, are commonly referred to as electrical connectors. I.e. a device connecting two active devices, which carries a current or signal. The male and female terminals are capable of transmitting a message or current through contact, also referred to as a connector.

Aviation plug is one kind of connector, and is derived from the military industry, so the aviation plug is called simply. Aviation plugs are electromechanical elements that connect electrical lines, and thus their own electrical parameters are a first concern in selecting an aviation plug. Proper selection and use of aviation plugs is an important aspect of ensuring circuit reliability.

Along with the increase of sales volume of new energy automobiles, the automobile can be charged at any time and any place, so various connectors are developed successively, along with the increase of connector types, higher requirements are provided for safety and applicability of the connectors, and because socket types of each country are different, the connectors are inconvenient to interchange and apply in charging, in order to solve the problem, the connectors are used as bridges between a power supply and a charging gun, convenience is provided for automobile charging, the existing connectors use a push-pull self-locking structure, the inserting direction and the unlocking direction are in the same direction, and a lock is added between a socket-end metal shell and an encapsulation body to prevent false insertion and extraction in the charging process, but the structure is complicated in the use process and also has potential safety hazards due to improper operation.

In example 1 of the prior art, see patent document CN206893848U, a connector is proposed, comprising a female connector and a male connector, the female connector comprising: a first housing; more than two first jacks; more than two second jacks; one female end plum blossom locating piece or the combination of more than two female end plum blossom locating pieces is positioned in the first shell and used for laterally installing the first jack and the second jack; the first bolt is in threaded connection with the first shell; the male connector includes: a second housing; more than two first contact pins are corresponding to the first jacks and are used for being inserted into the first jacks; more than two second contact pins are corresponding to the second jacks and are used for being inserted into the second jacks; one male end plum blossom locating piece or the combination of more than two male end plum blossom locating pieces is positioned in the second shell and used for laterally installing the first contact pin and the second contact pin; and a second bolt in threaded connection with the second housing. The connector and the assembling process thereof provided by the utility model improve the strength and the waterproof performance of the connector and meet the compound requirement. The connector of example 1, however, is of a straight-through type, where the connection requirements for angle changes cannot be met.

In prior art example 2, see patent document CN209183887U, a dual-core sensing connector is disclosed, including protection component and parallel arrangement two sets of transmission components in protection component, protection component is including through joint, L type pillar, switching straight tube, glass seal section and the cable wiring shell of fixed connection in proper order, through connecting through nut fixed connection between joint and the L type pillar, every group transmission component all includes container outgoing line, pin, female needle, cable, lower contact pin cover, binding post, upper contact pin cover that connect gradually, through isolation bush II sealing fixed connection between male needle middle part and the through joint, through isolation bush III sealing fixed connection between female needle and the L type pillar, lower contact pin cover is through lower solid needle cover fixed mounting in the switching straight tube, the glass seal in glass seal section in middle part, upper contact pin cover passes through thread bush fixed mounting in cable wiring shell. The connector in example 2 can realize the steering of the connector, but the connecting part is divided into a plurality of sections, each section is connected respectively, the middle needs to be connected through a protective tube, the connecting structure is complex, the product structure consistency is poor, and the defending seal is more easy to cause problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a multi-section connector which is easy to disassemble and assemble

The technical scheme for solving the technical problems is as follows: a multi-section connector easy to assemble and disassemble comprises:

The first connecting assembly is bent pipe-shaped and is provided with a first left connecting port and a first right connecting port, and a bent angle is formed between the first left connecting port and the first right connecting port;

The second connecting component is in a straight pipe shape and is provided with a second left connecting port and a second right connecting port;

the switching component is in transitional connection between the first connecting component and the second connecting component;

the first connecting component comprises:

A first straight-through connection housing;

The connecting base is provided with an annular abutting end face at the top, and first sawteeth are uniformly distributed on the annular abutting end face;

The bent-type switching shell is provided with a horizontal section and a vertical section, the horizontal section is inserted into the first straight-type connecting shell, the vertical section is inserted into the connecting base, the outer wall of the vertical section is annularly provided with second saw teeth, and the first saw teeth and the second saw teeth are mutually embedded;

The first contact pin mounting plate is used for connecting contact pins and is clamped between the bent switching shell and the switching assembly;

a first seal ring disposed between the horizontal section and the first straight connecting housing;

and the second sealing ring is arranged between the vertical section and the connecting base.

In some preferred embodiments of the present utility model, a receiving groove is formed between the vertical section of the curved adapting housing and the connection base, and the lower end of the receiving groove is provided with an inlet and outlet opening;

The wave washer is arranged in the accommodating groove, the locking sleeve is filled at the inlet and outlet opening, and the wave washer is abutted in the accommodating groove by the locking sleeve.

In some preferred embodiments of the utility model, the upper edge of the first straight connecting housing extends outwardly to form a cover portion, the end of the cover portion being flush with the vertical section;

the horizontal section is provided with a flanging groove, and the covering part is abutted against the flanging groove;

The outside of vertical section has the thickening wall, thickening wall with cover the portion and seted up the screw hole of looks adaptation, the screw hole in insert the fastener to be connected fixedly with covering portion and vertical section.

In some preferred embodiments of the present utility model, the outer wall of the vertical section is provided with a fool-proof block, the connecting base is provided with a fool-proof slot, and the fool-proof block can be aligned and inserted into the fool-proof slot.

In some preferred embodiments of the present utility model,

The second connecting component comprises a second through-type connecting shell, a plastic wire clamp penetrating through the second through-type connecting shell and a rubber conical cushion block penetrating through the plastic wire clamp.

Further, a third connecting groove matched with each other is formed in the switching outer shell and the switching inner shell, and a clamp spring is arranged in the third connecting groove, so that the switching outer shell and the switching inner shell form limit anti-drop fit.

Further, the switching assembly comprises a switching outer shell, a switching inner shell which is arranged in the switching outer shell and at least partially extends out of the switching outer shell, and a second contact pin mounting plate which is arranged in the switching inner shell in a penetrating way;

A first connecting groove is formed between the switching outer shell and the corner inner shell, the first straight-through connecting shell is inserted into the first connecting groove and is in threaded connection with the connecting outer shell, and a third sealing ring is arranged between the first straight-through connecting shell and the switching outer shell;

The first connecting groove is formed between the second through type connecting shell and the plastic wire clamp, the switching inner shell is inserted into the second connecting groove and is in threaded connection with the second through type connecting shell, and a fourth sealing ring is arranged between the switching inner shell and the plastic wire clamp.

Further, the first contact pin mounting plate and the second contact pin mounting plate are both provided with grounding gaskets.

Further, a first barb structure is arranged between the first contact pin mounting plate and the bent-over adapter shell; and a second barb structure is arranged between the second contact pin mounting plate and the switching inner shell.

In the utility model, the connecting base is provided with a straight bottom surface, a plurality of fixing hole sites are arranged on the straight bottom surface, a sealing groove is arranged on the straight bottom surface, and a fifth sealing ring is embedded in the sealing groove.

The utility model has the beneficial effects that:

1. the steering connection function of the connector is realized through a multi-section type combined structure (a first connecting component, a second connecting component and a switching component).

2. The multistage combined structure is connected front and back, and the middle is of an uninterrupted structure, so that the structure is more compact and reliable, the transition through an outer tube is not needed, and the overall strength and the waterproof sealing performance of the connector are improved.

3. The bent-type switching shell is formed by combining the horizontal section and the vertical section, and the first saw teeth and the second saw teeth are mutually embedded to play a role in positioning and connecting so as to realize quick disassembly and assembly.

4. The sealing rings are arranged at the first connecting component, the second connecting component and the switching component 5, so that the whole connector has excellent waterproof sealing performance.

5. Through wave washer's setting, can the flexible deformation of self-adaptation when receiving external force (for example plug cable) impact to offset external force, reduce the impact to curved formula switching casing and connection base, in order to provide better guard action, extension accessory life.

6. The arrangement of the thickened wall can effectively improve the shell strength of the bent-over adapter shell, and provide enough space for forming the threaded hole; and the first straight-through connecting shell and the bent-through adapting shell are thoroughly fixed together through the fastener.

7. Through the arrangement of the grounding gasket, good grounding protection is provided, equipment stability and reliability are improved, and personal safety is guaranteed.

8. Through the first barb structure and the second barb structure, certain inserting and pulling force is formed between related parts, and the situation of error disconnection is prevented.

Drawings

Fig. 1 is a schematic view of the overall assembly of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is a cross-sectional view of the present utility model.

Fig. 4 is a schematic diagram illustrating the disassembly of the first connection assembly, the adapter assembly, and the second connection assembly.

Fig. 5 is a schematic diagram illustrating the disassembly of the first through connection housing and the through connection housing.

Fig. 6 is a schematic diagram of the connection base and the curved adaptor housing.

Fig. 7 is a schematic bottom structure of the first connection assembly.

Fig. 8 is a bottom structural exploded view of the first connection assembly.

In the figure: 1. a first connection assembly; 101. a first left connection port; 102. a first right connection port; 1a, bending angle; 11. a first straight-through connection housing; 111. a covering portion; 12. a connecting base; 121. an annular abutting end face; 122. a first serration; 123. a fool-proof groove; 124. a flat bottom surface; 1241. fixing the hole site; 1242. sealing grooves; 125. a fifth seal ring; 13. a curved adaptor housing; 131. a horizontal section; 1311. a flanging groove; 132. a vertical section; 1321. a second serration; 1322. fool-proof blocks; 1323. thickening the wall; 1324. a threaded hole; 133. a receiving groove; 1331. an inlet and outlet opening; 14. a first pin mounting plate; 141. a first barb structure; 15. a first seal ring; 16. a second seal ring; 17. a wave washer; 18. a locking sleeve; 19. a fastener; 2. a second connection assembly; 201. a second left connection port; 202. a second right connection port; 21. a second through-connection housing; 22. a plastic wire clamp; 23. rubber conical cushion blocks; 3. a switching component; 31. a transfer housing; 32. a transfer inner shell; 33. a second pin mounting plate; 331. a second barb structure; 34. a first connection groove; 35. a third seal ring; 36. a second connecting groove; 37. a fourth seal ring; 38. a third connecting groove; 39. clamping springs; 4. a contact pin; 5. a grounding pad.

Detailed Description

The utility model will be further described with reference to the drawings and specific examples. It should be noted that the examples are only specific to the present utility model and are for the purpose of better understanding of the technical solutions of the present utility model to those skilled in the art, and should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience of description and simplicity of description, only as to the orientation or positional relationship shown in the drawings, and not as an indication or suggestion that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 8, a multi-stage connector which is easy to be assembled and disassembled, comprises: the first connecting assembly 1 is in a bent pipe shape and is provided with a first left connecting port 101 and a first right connecting port 102, wherein a bent angle 1a is formed between the first left connecting port 101 and the first right connecting port 102; a second connection member 2 having a straight pipe shape and having a second left connection port 201 and a second right connection port 202; the switching component 3 is in transitional connection between the first connecting component 1 and the second connecting component 2; the first connecting assembly 1 comprises: a first straight-through connection housing 11; the top of the connecting base 12 is provided with an annular abutting end surface 121, and first sawteeth 122 are uniformly distributed on the annular abutting end surface 121; the curved adapting shell 13 is provided with a horizontal section 131 and a vertical section 132, the horizontal section 131 is inserted into the first straight connecting shell 11, the vertical section 132 is inserted into the connecting base 12, the outer wall of the vertical section 132 is provided with second saw teeth 1321 in a ring, and the first saw teeth 122 and the second saw teeth 1321 are mutually embedded; a first pin mounting plate 14 for connecting pins 4, the first pin mounting plate 14 being sandwiched between the curved adaptor housing 13 and the adaptor assembly 3; a first sealing ring 15, which is arranged between the horizontal section 131 and the first straight connecting housing 11; a second sealing ring 16 is arranged between the vertical section 132 and the connection base 12.

The structure is a basic scheme of the utility model, when the connector is used, one section of the external connection cable is connected with the first connecting component 1, and the other section of the external connection cable is connected with the second connecting component 2, so that the steering connection function of the connector can be realized.

Compared with the prior art, the utility model realizes the steering connection function of the connector through the multi-section combined structure (the first connecting component 1, the second connecting component 2 and the switching component 3). Meanwhile, the front and back of the multi-section combined structure are connected, and the middle of the multi-section combined structure is of an uninterrupted structure, so that the multi-section combined structure is more compact and reliable in structure, does not need to pass through an outer pipe for transition, and is favorable for improving the overall strength and waterproof sealing performance of the connector. In addition, the bent-type adapter housing 13 is formed by combining the horizontal section 131 and the vertical section 132, and is mutually embedded with the second saw teeth 1321 through the first saw teeth 122, so as to play a role in positioning and connecting, and realize quick assembly and disassembly.

Example two

On the basis of the structure of the first embodiment, the present embodiment provides a preferred scheme of the curved adapting housing 13, specifically: referring to fig. 7 to 8, a receiving groove 133 is formed between the vertical section 132 of the curved adapting housing 13 and the connection base 12, and an inlet and outlet opening 1331 is formed at the lower end of the receiving groove 133; the wave washer 17 is arranged in the accommodating groove 133, and the locking sleeve 18 is filled in the inlet/outlet opening 1331, and the wave washer 17 is abutted against the accommodating groove 133 by the locking sleeve 18.

Through the arrangement of the wave washer 17, the self-adaptive expansion deformation can be realized when external force (such as a plug cable) is impacted, so that the external force is counteracted, the impact on the bent-type switching shell 13 and the connecting base 12 is reduced, better protection effect is provided, and the service life of accessories is prolonged. Meanwhile, the setting of the locking sleeve 18 can play a role in limiting and preventing the wave washer 17 from falling off.

Example III

Referring to fig. 3 to 5, a more preferable mating structure of the first through-type connection housing 11 and the curved through-type connection housing 13 is: the upper edge of the first straight connecting housing 11 extends outwards to form a covering portion 111, and the tail end of the covering portion 111 is flush with the vertical section 132 to form a partial double-layer housing structure, so that the housing strength of the corresponding region is improved.

The horizontal section 131 is provided with a flanging groove 1311, and the covering part 111 abuts against the flanging groove 1311 to play a role in pre-positioning. Further, the outer wall of the vertical section 132 is provided with a fool-proof block 1322, the connection base 12 is provided with a fool-proof slot 123, and the fool-proof block 1322 can be aligned with and inserted into the fool-proof slot 123, so that a user can quickly realize disassembly and assembly by identifying the fool-proof block 1322.

The outer side of the vertical section 132 is provided with a thickened wall 1323, the thickened wall 1323 and the covering part 111 are provided with an adaptive threaded hole 1324, and a fastener 19 is connected into the threaded hole 1324 to connect and fix the covering part 111 and the vertical section 132. The thickened wall 1323 can effectively improve the shell strength of the bent-over adapter shell 13, and provide enough space for forming the threaded hole 1324; the first straight connecting housing 11 and the curved adapter housing 13 are then completely fastened together by means of the fastening elements 19.

Example IV

Referring to fig. 2 to 3, a more preferable mating structure with respect to the second connecting assembly 2 is: the second connecting assembly 2 comprises a second through-type connecting shell 21, a plastic wire clamp 22 penetrating through the second through-type connecting shell 21, and a rubber conical cushion block 23 penetrating through the plastic wire clamp 22. The second through-connection housing 21 provides protection and connection; the plastic wire clamp 22 is used for clamping and clamping an external cable so as to enable the cable to have a stable position state; the rubber cone pad 23 may also provide cushioning and protection.

Further, the adaptor outer shell 31 and the adaptor inner shell 32 are provided with a third connecting groove 38, and a clamp spring 39 is arranged in the third connecting groove 38, so that the adaptor outer shell 31 and the adaptor inner shell 32 form a limiting and anti-falling fit.

Example five

More preferred mating structures for the adapter assembly 3 are: referring to fig. 2 to 3, the adapter assembly 3 includes an adapter housing 31, an adapter inner housing 32 disposed in the adapter housing 31 and at least partially extending out of the adapter housing 31, and a second pin mounting plate 33 penetrating the adapter inner housing 32; the second pin mounting plate 33 is aligned with respect to the first pin mounting plate 14 and can simultaneously access the pins 4 for communication and/or electrical connection.

A first connecting groove 34 is formed between the transfer shell 31 and the corner inner shell, the first through connecting shell 11 is inserted into the first connecting groove 34 and is in threaded connection with the connecting shell, and a third sealing ring 35 is arranged between the first through connecting shell 11 and the transfer shell 31 to provide waterproof sealing performance between the first through connecting shell 11 and the transfer shell 31;

The first connecting groove 34 is formed between the second through-connection housing 21 and the plastic wire clamp 22, the transferring inner housing 32 is inserted into the second connecting groove 36 and is in threaded connection with the second through-connection housing 21, and a fourth sealing ring 37 is arranged between the transferring inner housing 32 and the plastic wire clamp 22 to provide waterproof sealing performance between the transferring inner housing 32 and the plastic wire clamp 22.

Preferably, the first pin mounting plate 14 and the second pin mounting plate 33 are each provided with a grounding pad 5. Through the arrangement of the grounding gasket 5, good grounding protection is provided, equipment stability and reliability are improved, and personal safety is guaranteed.

Further, a first barb structure 141 is disposed between the first pin mounting plate 14 and the curved adapting housing 13; a second barb structure 331 is disposed between the second pin mounting plate 33 and the inner adapter housing 32. By the first barb structure 141 and the second barb structure 331, a certain inserting and pulling force is formed between the related parts, and the situation of error disengagement is prevented.

Example six

More preferred mating structures for the connection base 12 are: referring to fig. 7 to 8, the connection base 12 has a straight bottom 124, and a plurality of fixing holes 1241 are formed on the straight bottom 124, so as to facilitate the installation and fixation of the connection base 12 and an external supporting surface (such as a metal plate surface, a bracket, etc.). Moreover, a seal groove 1242 is formed on the flat bottom surface 124, and a fifth seal ring 125 is embedded in the seal groove 1242 to further provide waterproof sealing performance.

It should be noted that other technical solutions of the present utility model belong to the prior art, and are not described in detail.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. A multi-section connector easy to assemble and disassemble comprises:

The first connecting assembly (1) is bent, and is provided with a first left connecting port (101) and a first right connecting port (102), wherein a bent angle (1 a) is formed between the first left connecting port (101) and the first right connecting port (102);

a second connection assembly (2) which is straight and has a second left connection port (201) and a second right connection port (202);

The switching component (3) is in transitional connection between the first connecting component (1) and the second connecting component (2);

the first connecting component (1) is characterized by comprising:

A first straight-through connection housing (11);

The connecting base (12) is provided with an annular abutting end face (121) at the top, and first sawteeth (122) are uniformly distributed on the annular abutting end face (121);

The connecting device comprises a bent-type switching shell (13) and a connecting device, wherein the bent-type switching shell is provided with a horizontal section (131) and a vertical section (132), the horizontal section (131) is inserted into a first straight-type connecting shell (11), the vertical section (132) is inserted into a connecting base (12), a second saw tooth (1321) is annularly arranged on the outer wall of the vertical section (132), and the first saw tooth (122) and the second saw tooth (1321) are mutually embedded;

The first contact pin mounting plate (14) is used for connecting the contact pins (4), and the first contact pin mounting plate (14) is clamped between the bent switching shell (13) and the switching assembly (3);

A first sealing ring (15) arranged between the horizontal section (131) and the first straight connecting housing (11);

a second sealing ring (16) arranged between the vertical section (132) and the connection base (12).

2. The easily detachable multi-section connector according to claim 1, wherein: a containing groove (133) is formed between the vertical section (132) of the bent type adapter housing (13) and the connecting base (12), and an inlet and outlet opening (1331) is formed at the lower end of the containing groove (133);

The wave washer (17) is arranged in the accommodating groove (133), the locking sleeve (18) is filled at the inlet and outlet opening (1331), and the locking sleeve (18) abuts the wave washer (17) in the accommodating groove (133).

3. The easily detachable multi-section connector according to claim 1, wherein: the upper edge of the first straight-through connection housing (11) extends outwards to form a cover portion (111), the end of the cover portion (111) being flush with the vertical section (132);

The horizontal section (131) is provided with a flanging groove (1311), and the covering part (111) is abutted against the flanging groove (1311);

The outside of vertical section (132) have thickening wall (1323), thickening wall (1323) and cover portion (111) seted up looks adaptation screw hole (1324), screw hole (1324) in insert fastener (19) to be connected fixed cover portion (111) and vertical section (132).

4. The easily detachable multi-section connector according to claim 1, wherein: the outer wall of the vertical section (132) is provided with a fool-proof block (1322), the connecting base (12) is provided with a fool-proof groove (123), and the fool-proof block (1322) can be aligned and inserted into the fool-proof groove (123).

5. The easily detachable multi-section connector according to claim 1, wherein: the second connecting assembly (2) comprises a second through-type connecting shell (21), a plastic wire clamp (22) penetrating through the second through-type connecting shell (21), and a rubber conical cushion block (23) penetrating through the plastic wire clamp (22).

6. The easily detachable multi-section connector of claim 5, wherein: the switching assembly (3) comprises a switching outer shell (31), a switching inner shell (32) which is arranged in the switching outer shell (31) and at least partially extends out of the switching outer shell (31), and a second contact pin mounting plate (33) which is arranged in the switching inner shell (32) in a penetrating way;

A first connecting groove (34) is formed between the switching outer shell (31) and the corner inner shell, the first straight-through connecting shell (11) is inserted into the first connecting groove (34) and is in threaded connection with the connecting outer shell, and a third sealing ring (35) is arranged between the first straight-through connecting shell (11) and the switching outer shell (31);

A first connecting groove (34) is formed between the second through-type connecting shell (21) and the plastic wire clamp (22), the transfer inner shell (32) is inserted into the second connecting groove (36) and is in threaded connection with the second through-type connecting shell (21), and a fourth sealing ring (37) is arranged between the transfer inner shell (32) and the plastic wire clamp (22).

7. The easily detachable multi-section connector of claim 6, wherein: and the adapter outer shell (31) and the adapter inner shell (32) are provided with a third connecting groove (38) which is matched with each other, and a clamp spring (39) is arranged in the third connecting groove (38) so that the adapter outer shell (31) and the adapter inner shell (32) form limit anti-drop fit.

8. The easily detachable multi-section connector of claim 6, wherein: the first contact pin mounting plate (14) and the second contact pin mounting plate (33) are respectively provided with a grounding gasket (5).

9. The easily detachable multi-section connector of claim 6, wherein: a first barb structure (141) is arranged between the first contact pin mounting plate (14) and the bent-type switching shell (13); and a second barb structure (331) is arranged between the second contact pin mounting plate (33) and the switching inner shell (32).

10. The easily detachable multi-section connector according to claim 1, wherein: the connecting base (12) is provided with a straight bottom surface (124), a plurality of fixing hole sites (1241) are formed in the straight bottom surface (124), a sealing groove (1242) is formed in the straight bottom surface (124), and a fifth sealing ring (125) is embedded in the sealing groove (1242).