Housing for plug connector

Abstract

The invention discloses a shell for a plug-in type connector, which comprises a seat body, the seat body is detachably connected with a bent rear cover through a left plug-in block and a right plug-in block, and the structures of the left plug-in block and the right plug-in block are mutually symmetrical; the seat body is provided with a fastening groove, the plugging block is provided with a protruding step in clearance fit with the fastening groove, the seat body is provided with a bayonet, the plugging block is provided with a first protruding point extending into the bayonet, and the plugging block is provided with a second protruding point which can abut against the first protruding point during working; the rear cover is provided with a pressed groove ring, the plugging block is provided with a buckling part extending into the pressed groove ring, the pressed groove ring of the rear cover is provided with a positioning buckle, and the buckling part of the plugging block is provided with a positioning groove matched with the positioning buckle. According to the novel structure, turning of multiple angles can be achieved, when wiring is conducted in a narrow space, wires in the novel structure turn smoothly, the risk of damage to the wires is avoided, and the novel structure conforms to electrical installation specifications.

Description

Technical Field

[0001] This invention relates to the field of manufacturing technology of circuit connectors, and in particular to a housing for pluggable connectors. Background Technology

[0002] In electronic devices and electrical systems, connectors are interface devices used to connect electronic components between circuits. They are used to transmit current or signals and have evolved into a series of specialized products with rich varieties and specifications, diverse structures, distinct industry characteristics, and standardized systems.

[0003] For example, Chinese patent application number CN201920423498.0, titled "Multi-plug Connector," discloses the following technical solution in paragraph

[0005] : "A multi-plug connector, characterized in that... a conductive wire harness is provided on the back of the contact plate, the conductive wire harness including a plurality of wires correspondingly connected to a circular conductive ring." This achieves the technical effect that "the connector of this invention includes a female end and a male end, respectively located at the signal processing end and the signal acquisition end, i.e., the female end connects to the device and is in a fixed position, the male end connects to the wire...more reliably transmitting ECG electrocardiogram signals."

[0004] This straight-line male terminal design poses a risk of forcibly turning the internal wire harness when wiring in confined spaces, potentially damaging the wires. This does not comply with electrical installation standards and therefore requires improvement. Summary of the Invention

[0005] The purpose of this invention is to provide a housing for pluggable connectors to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical measures: a housing for a pluggable connector, characterized in that: it includes a base body, the base body being detachably connected to a curved rear cover via pluggable blocks, the pluggable blocks being two symmetrical pieces; the base body is provided with a fastening groove, the pluggable blocks are provided with a protruding step that fits with the fastening groove, the base body is provided with a latch, the pluggable blocks are provided with a first protrusion extending into the latch, and the pluggable blocks are provided with a second protrusion that can abut against the first protrusion during operation; the rear cover is provided with a pressure-receiving groove ring, the pluggable blocks are provided with a fastening portion extending into the pressure-receiving groove ring, the pressure-receiving groove ring of the rear cover is provided with a positioning buckle, and the fastening portion of the pluggable blocks is provided with a positioning groove that matches the positioning buckle.

[0007] Compared with the prior art, the advantages of this invention are: this novel structure can achieve multiple angles of turning, and when wiring in a confined space, the internal wires can bend smoothly, avoiding the risk of wire damage and complying with electrical installation specifications.

[0008] As an improvement of the present invention, the thickness of the clamping part is A, and the width of the pressure-receiving groove is B, wherein the value of BA is less than 0.2mm. The purpose of this design is to minimize the difference in size between the clamping part of the plug-in block and the pressure-receiving groove of the back cover, while ensuring smooth insertion of the clamping part. If the difference is large, there will be wobbling, which is not conducive to fixation.

[0009] As an improvement to the present invention, four positioning buckles are evenly distributed within the pressure-bearing groove. The purpose of this design is that the four positioning buckles allow the back cover to have four selectable angles, thereby enabling the back cover to avoid interference.

[0010] As an improvement of the present invention, a first plane is provided next to the second protrusion, and second planes that are flush with the first plane are provided on both sides of the positioning buckle. The purpose of this design is that, by the close contact of the two planes, the second protrusion can hold the first protrusion in place, preventing the first protrusion from falling out of the slot of the seat.

[0011] As an improvement of the present invention, a clearance portion is provided between the first plane and the first protrusion. The purpose of this design is to prevent interference with the positioning buckle after the plug-in block is engaged.

[0012] As an improvement of the present invention, the base is provided with a protruding fulcrum, and the plug-in block is provided with a recessed unlocking groove. The purpose of this design is that when the plug-in block needs to be removed, the body of the small pry bar is used as a support point with the protruding fulcrum, one end of the small pry bar is inserted into the unlocking groove, and the plug-in block can be pulled out by tilting it upwards.

[0013] As an improvement of the present invention, the rear cover is provided with a sealing groove for placing a sealing ring. The purpose of this design is to prevent dust, debris, or rainwater from entering the housing, thus keeping the wire harness dry and clean.

[0014] As an improvement to the present invention, a plug is connected to the rear end of the back cover. The purpose of this design is that the threaded plug can be threadedly connected to the back cover, and the cable is placed inside the plug.

[0015] As an improvement of the present invention, the plug-in block is provided with a hollow groove. The purpose of this design is to reduce material usage and control production costs while ensuring strength. Attached Figure Description

[0016] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0017] In the attached diagram: Figure 1 This is an exploded view of the housing for a pluggable connector according to the present invention.

[0018] Figure 2 This is a schematic diagram showing the connection between the base and the plug-in block according to the present invention.

[0019] Figure 3 The three-dimensional shape of the plug-in block described in this invention Figure 1 .

[0020] Figure 4 The three-dimensional shape of the plug-in block described in this invention Figure 2 .

[0021] Figure 5 This is a perspective view of the back cover described in this invention.

[0022] Figure 6 is a perspective view of the base body described in this invention.

[0023] Figure 7 is a cross-sectional view of the housing for a pluggable connector according to the present invention.

[0024] Figure 8 This is a CC cross-sectional view according to the present invention.

[0025] Figure 9 This is a schematic diagram of using a small pry bar to open the insertion / removal block according to the present invention.

[0026] Explanation of reference numerals in the attached drawings: 1. Base; 2. Insertion / removal block; 3. Back cover; 4. Fastening groove; 5. Protruding step; 6. Bayonet; 7. First protrusion; 8. Second protrusion; 9. Pressure groove ring; 10. Fastening part; 11. Positioning buckle; 12. Positioning groove; 13. First plane; 14. Second plane; 15. Clearance part; 16. Pivot point; 17. Unlocking groove; 18. Sealing ring; 19. Sealing groove ring; 20. Plug; 21. Hollowed-out groove; 22. Small pry bar. Detailed Implementation

[0027] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0028] Example 1 Please refer to Figure 1 -9.

[0029] This embodiment provides a housing for a pluggable connector, including a base 1. The base 1 is detachably connected to a curved rear cover 3 (with a small clearance, suitable for narrow spaces) via a pluggable block 2. The pluggable block 2 consists of two symmetrical pieces, left and right. The base 1 is provided with a fastening groove 4, and the pluggable block 2 is provided with a protruding step 5 that fits with the fastening groove 4. The base 1 is provided with a bayonet 6, and the pluggable block 2 is provided with a first protrusion 7 that extends into the bayonet 6. The pluggable block 2 is provided with a second protrusion 8 that can press against the first protrusion 7 during operation. The rear cover 3 is provided with a pressure-bearing groove ring 9, and the pluggable block 2 is provided with a clamping part 10 that extends into the pressure-bearing groove ring 9. The pressure-bearing groove ring 9 of the rear cover 3 is provided with a positioning buckle 11, and the clamping part 10 of the pluggable block 2 is provided with a positioning groove 12 that matches the positioning buckle 11.

[0030] In the embodiments of this invention application, please refer to Figure 4 and Figure 5 The thickness of the clamping part 10 is A, and the width of the pressure-receiving groove 9 is B, wherein the value of B is less than 0.2 mm. The difference between the dimensions of the clamping part 10 of the plug-in block 2 and the pressure-receiving groove 9 of the rear cover 3 should be as small as possible, provided that the clamping part 10 can be smoothly inserted into the pressure-receiving groove 9. If the difference is large, there will be wobbling, which is not conducive to fixation.

[0031] In the embodiments of this invention application, please refer to Figure 8 The positioning buckles 11 are evenly distributed in four places within the pressure groove ring 9. The four positioning buckles 11 allow the back cover 3 to have four selectable angles, thus allowing the back cover 3 to avoid interference.

[0032] In the embodiments of this invention application, please refer to Figure 3 and Figure 8 A first plane 13 is provided next to the second protrusion 8, and a second plane 14 is provided on both sides of the positioning buckle 11, which is flush with the first plane 13. By the close contact of the two planes, the second protrusion 8 can hold the first protrusion 7 in place, so that the first protrusion 7 will not fall out of the slot 6 of the seat body 1.

[0033] In the embodiments of this invention application, please refer to Figure 3 and Figure 8 A clearance portion 15 is provided between the first plane 13 and the first protrusion 7. The function of the clearance portion 15 is to prevent interference with the positioning buckle 11 after the insertion block 2 is engaged.

[0034] In the embodiments of this invention application, please refer to Figure 4 and Figure 9The base 1 is provided with a protruding fulcrum 16, and the plug-in block 2 is provided with a recessed unlocking groove 17. When the plug-in block 2 needs to be removed, the body of the small pry bar 22 is used with the protruding fulcrum 16 as the support point, one end of the small pry bar 22 is inserted into the unlocking groove 17, and the plug-in block 2 is pulled out by tilting it upwards.

[0035] In the embodiments of this invention application, please refer to Figure 7 The rear cover 3 is provided with a sealing groove 19 for placing the sealing ring 18. The function of the sealing ring 18 is to prevent dust, debris, or rainwater from entering the housing and to keep the wire harness dry and clean.

[0036] In the embodiments of this invention application, please refer to Figure 1 The rear end of the back cover 3 is connected to a plug 20. The plug 20 with a threaded head can be threaded into the back cover 3, and the cable is placed inside the plug 20.

[0037] In the embodiments of this invention application, please refer to Figure 4 The plug-in block 2 is provided with a hollowed-out groove 21. While ensuring strength, as many hollowed-out grooves 21 as possible are opened to reduce material and control production costs.

[0038] This embodiment provides a housing for a pluggable connector, which is connected as follows: the protruding step 5 of the pluggable block 2 engages with the fastening groove 4 of the base 1; the fastening part 10 of the pluggable block 2 engages with the pressure groove 9 of the rear cover 3, thereby fixing the base 1 and the rear cover 3 in the longitudinal direction; the positioning groove 12 of the pluggable block 2 cooperates with the positioning buckle 11 of the rear cover 3 to fix the rotation direction of the base 1 and the rear cover 3; the first protrusion 7 of the pluggable block 2 engages with the latch 6 of the base 1 to fix the base 1 and the pluggable block 2.

[0039] This embodiment provides a housing for a pluggable connector. For normal use, please refer to... Figure 9 When the back cover 3 needs to avoid interference, it needs to be rotated. First, the plug-in block 2 needs to be pulled out. The specific operation method is as follows: use the body of the small rocker 22 with the protruding fulcrum 16 as the support point, insert one end of the small rocker 22 into the unlocking groove 17, and tilt it upwards to forcefully pull out the plug-in block 2. After rotating 90 degrees to avoid interference, push the plug-in block in again to complete the fixation of the seat 1 and the back cover 3.

[0040] The beneficial effects of this invention are as follows: This novel structure can achieve multiple angles of turning, and when wiring in a confined space, the wires installed inside can turn smoothly, avoiding the risk of wire damage and complying with electrical installation specifications.

[0041] In the description of this invention, it should be noted that the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0042] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0043] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A housing for a plug-in connector, characterized by: The utility model provides a kind of rear cover of seat body (1), the rear cover (3) of curved shape is detachably connected by plug-in block (2) to the seat body (1), the plug-in block (2) has left and right two blocks, its structure is mutually symmetrical;Doffing recess (4) is provided on the seat body (1), protruding step (5) is provided on the plug-in block (2) and is matched with the doffing recess (4) clearance, bayonet (6) is provided on the seat body (1), first protruding point (7) is provided on the plug-in block (2) and is inserted into the bayonet (6), second protruding point (8) is provided on the plug-in block (2) and can be pressed against the first protruding point (7) when working;Pressure groove ring (9) is provided on the rear cover (3), buckling portion (10) is provided on the plug-in block (2) and is inserted into the pressure groove ring (9), positioning buckle (11) is provided on the pressure groove ring (9) of the rear cover (3), positioning groove (12) is provided on the buckling portion (10) of the plug-in block (2) and is matched with the positioning buckle (11).

2. The housing for a plug-in connector according to claim 1, characterized in that: The thickness size of the buckling portion (10) is A, the width size of the pressure groove ring (9) is B, wherein the value of B-A is less than 0.2mm.

3. The housing for a plug connector according to claim 1, characterized in that: The positioning buckle (11) is in the pressure groove ring (9), and a total of four are evenly distributed.

4. The housing for a plug connector according to claim 1, characterized in that: The first plane (13) is provided beside the second protruding point (8), and the second plane (14) is provided on the two sides of the positioning buckle (11) and is flush with the first plane (13).

5. The housing for a plug connector according to claim 4, characterized in that: The first plane (13) and the first protruding point (7) are provided with a clearance (15) therebetween.

6. The housing for a plug-in connector according to claim 1, characterized in that: The seat body (1) is provided with a protruding fulcrum (16), and the plug-in block (2) is provided with a recessed unlocking groove (17).

7. The housing for a plug connector according to claim 1, characterized in that: The rear cover (3) is provided with a sealing groove (19) for placing a sealing ring (18).

8. The housing for a plug connector according to claim 1, characterized in that: The rear end of the rear cover (3) is connected with a plug (20).

9. The housing for a plug connector according to claim 1, characterized in that: The plug-in block (2) is provided with a hollow groove (21).

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