CN210744307U

CN210744307U - Stable plug inner shell

Info

Publication number: CN210744307U
Application number: CN201921878028.XU
Authority: CN
Inventors: 陈俊坤; 李剑峰; 张新安; 李炳
Original assignee: Yimo Steel Mold Hardware Shenzhen Co Ltd
Current assignee: Yimo Steel Mold Hardware Shenzhen Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-12
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a stable form plug inner shell, it includes the main casing body and pegs graft the vice casing on the main casing body, the jack has been seted up to the one side of the vice casing body of main casing body grafting, the one side of the vice casing body of vice casing body grafting is equipped with the inserted block that can peg graft in the jack, the constant head tank has been seted up in the jack below to the one side of the vice casing body of main casing body grafting, the one side of the vice casing body of vice casing grafting is equipped with the locating piece that can insert the constant head tank in the inserted block below, behind the locating piece. The utility model discloses can make inserted block and jack pinpoint, have the effect that the main casing body of being convenient for and auxiliary housing connect.

Description

Stable plug inner shell

Technical Field

The utility model belongs to the technical field of the technique of plug part and specifically relates to a stable form plug inner shell is related to.

Background

The plug is formed by installing a metal block connected with a lead in a plug inner shell and then forming an insulating outer shell outside the plug inner shell through injection molding.

The plug inner shell is a plug component for fixing the metal block and the lead, the joint of the metal block and the lead is installed in the plug inner shell, and the metal block and the lead respectively extend out of two positions of the plug inner shell, so that the metal block and the lead are fixed and then the injection molding outer shell is formed.

The existing three-core plug inner shell comprises a lower shell and an upper shell which is inserted into the lower shell, wherein a jack is formed in the lower shell, an insertion block which can be inserted into the jack is arranged on the upper shell, a metal block and a wire are installed on the plug inner shell, and the upper shell is inserted into the lower shell through the insertion block and the jack, so that the metal block and the wire are fixed.

The above prior art solutions have the following drawbacks: when the upper shell is inserted into the lower shell, positioning errors are easy to occur on the insertion block and the insertion hole, so that the insertion of the insertion block and the insertion hole is not easy to position accurately, and certain inconvenience is brought to the insertion of the upper shell and the lower shell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stable form plug inner shell, it can make inserted block and jack pinpoint, has the effect that the main casing body of being convenient for connects with vice casing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a stable form plug inner shell, includes the main casing body and pegs graft the vice casing on the main casing body, the jack has been seted up to the one side of the vice casing body of main casing body grafting, the one side of the vice casing body of main casing body grafting is equipped with the inserted block that can peg graft in the jack, the constant head tank has been seted up in the jack below to the one side of the vice casing body of main casing body grafting, the one side of the vice casing body of main casing body grafting is equipped with the locating piece that can insert the constant head tank in the inserted block below.

Through adopting above-mentioned technical scheme, through setting up the constant head tank on the main casing body, set up the locating piece on vice casing, when fitting main casing body lid on vice casing, the locating piece on the main casing body can be inserted to the locating piece on the vice casing body, and after the constant head tank was inserted to the locating piece, the jack was just inserted to the inserted block, realized the grafting of main casing body and vice casing. The setting of constant head tank and locating piece plays the effect of location to the inserted block insertion jack to play the effect of location to the grafting of the main casing body and auxiliary housing, make the inserted block and jack pinpoint, have the effect that the main casing body of being convenient for and auxiliary housing peg graft.

The utility model discloses further set up to: one end of the insertion block inserted into the insertion hole is provided with a guide surface, and the edge of the guide surface is an arc surface.

Through adopting above-mentioned technical scheme, through setting up the spigot surface in the one end that the plug-in block inserted the jack, the edge is the effect that the spigot play the direction to the plug-in block inserts the jack for the spigot surface to in being favorable to quick, the convenient plug-in hole of plug-in block, have the effect of the main casing body of being convenient for more and the grafting of vice casing.

The utility model discloses further set up to: the main casing body is connected vice casing one side and has been seted up the reinforcement groove, vice casing body connection main casing one side is equipped with the reinforcement piece that can insert the reinforcement groove, the main casing body is pegged graft with vice casing after, the reinforcement piece inserts the reinforcement groove, the outer wall laminating of reinforcement piece is in reinforcing inslot wall.

Through adopting above-mentioned technical scheme, through setting up reinforcing groove and reinforcing block, insert the main casing body back with the auxiliary casing, the outer wall of reinforcing block can laminate in reinforcing inslot wall to it is more firm to make the connection of auxiliary casing body on the main casing body.

The utility model discloses further set up to: the one side middle part that the main casing body was connected to the auxiliary casing body is equipped with the stopper, the auxiliary casing body is pegged graft in the main casing body back, the lateral wall laminating of stopper in the main casing body inside wall.

Through adopting above-mentioned technical scheme, through setting up the stopper on the auxiliary casing body, the main casing body is pegged graft with the auxiliary casing body after, and the lateral wall of stopper can laminate in main casing body inside wall to further improve the connection steadiness of auxiliary casing body on the main casing body.

The utility model discloses further set up to: and one end of the main shell, which is far away from the auxiliary shell, is provided with a through hole for the metal block to pass through.

Through adopting above-mentioned technical scheme, through setting up the perforation, the metal block can pass the perforation, stretch out the main casing body, guarantees the normal play of plug circular telegram function.

The utility model discloses further set up to: the perforation includes a first perforation and two second perforations, the one end of vice casing one side is kept away from to first perforation is located the main casing body, the second perforation is located the relative first perforated other end of the main casing body, main casing inner wall is equipped with first baffle between first perforation and second perforation.

Through adopting the technical scheme, the utility model discloses a three-core plug inner shell, through setting up first baffle, first baffle is located between first perforation and the second perforation for install the wire in main casing body back, first baffle can separate first perforation and the second perforation, prevent that the wire that the metal block is connected from shifting to the second perforation on the first perforation, lead to first perforation and the perforation of second wire influence each other, thereby influence the normal work of plug, have the effect of guarantee plug quality.

The utility model discloses further set up to: the inner wall of the main shell is provided with a second partition plate, and the second partition plate is arranged between the two second through holes.

Through adopting above-mentioned technical scheme, through setting up the second baffle, the second baffle can separate two second perforation, prevents that the wire that the metal block is connected from shifting to another second perforation on the second perforation, leads to the wire in two second perforations to influence each other to influence the normal work of plug, and then further ensure the quality of plug.

The utility model discloses further set up to: the side surface of the main shell is provided with a through hole for a lead to pass through.

Through adopting above-mentioned technical scheme, through setting up the through-hole, the wire can wear out the through-hole, stretch out the main casing body, guarantees the normal performance of plug circular telegram function.

To sum up, the utility model discloses a beneficial technological effect does:

1. through setting up the constant head tank on the main casing body, set up the locating piece on vice casing, when fitting main casing body lid on vice casing, the locating piece on the main casing body can be inserted to the locating piece on the vice casing body, and after the constant head tank was inserted to the locating piece, the jack was just inserted to the inserted block, realizes the grafting of the main casing body and vice casing. The arrangement of the positioning groove and the positioning block plays a role in positioning the insertion of the insertion block into the insertion hole, so that the insertion of the main shell and the auxiliary shell is positioned, the insertion block and the insertion hole are accurately positioned, and the effect of facilitating the insertion of the main shell and the auxiliary shell is achieved;

2. the auxiliary shell is favorably and stably arranged on the main shell by arranging the reinforcing block, the reinforcing groove and the limiting block, so that the stability of the main shell and the auxiliary shell is improved;

3. through setting up first baffle and second baffle for pass the difficult other wires of removal to other wire departments contacts of wire that connect on the three perforated metal block respectively, thereby prevent to influence the normal work of plug, have the effect of guarantee plug quality.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of the overall structure of another aspect of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the main housing in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of the sub-housing in the embodiment of the present invention.

In the figure, 1, a main housing; 11. a socket; 12. a dual-hole portion; 121. positioning a groove; 122. a reinforcing groove; 13. a single-hole portion; 14. perforating; 141. a first perforation; 142. a second perforation; 15. a jack; 2. a sub-housing; 21. inserting a block; 211. a guide surface; 22. positioning blocks; 23. a reinforcing block; 231. a reinforcing sheet; 232. abutting the sheet; 24. a limiting block; 241. connecting blocks; 242. a butting block; 31. a main half ring; 32. a secondary half ring; 33. a through hole; 41. a first separator; 42. a second separator.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-4.

Referring to fig. 1, for the utility model discloses a stable form plug inner shell, including main casing body 1 and auxiliary housing 2, auxiliary housing 2 can peg graft in main casing body 1, offers the cavity that is used for installing metal block and wire in main casing body 1. The metal block and the lead are arranged in the cavity, and the metal block and the lead are fixed after the main shell 1 and the auxiliary shell 2 are spliced.

The main casing 1 includes a double-hole portion 12, a single-hole portion 13 is connected to the double-hole portion 12, the length direction of the single-hole portion 13 is the same as that of the double-hole portion 12, the length of the single-hole portion 13 is the same as that of the double-hole portion 12, and the single-hole portion 13 is connected to the middle of the side wall of the double-hole portion 12.

The main casing 1 has one end inserted into the sub-casing 2 and the other end provided with a through hole 14 for the metal block to pass through, the through hole 14 includes a first through hole 141 and two second through holes 142, the first through hole 141 is provided in the single hole portion 13, and the two second through holes 142 are provided in the two ends of the double hole portion 12 far away from the one side of the sub-casing 2 and penetrate through the end face of the end.

Referring to fig. 2, a main half ring 31 is disposed on a surface of the double-hole portion 12 away from the single-hole portion 13, an auxiliary half ring 32 is disposed at one end of the auxiliary housing 2 connected to the main half ring 31, and after the auxiliary housing 2 is inserted into the main housing 1, the main half ring 31 and the auxiliary half ring 32 are connected to each other, and a through hole 33 for a wire to pass through is formed therebetween.

Referring to fig. 1 and 2, after the metal block is mounted on the main casing 1 and the sub-casing 2, the metal block can pass through the through hole 14 and extend out of the main casing 1, and the lead connected to the metal block can pass through the through hole 33 and extend out of the main casing 1 and the sub-casing 2.

Referring to fig. 3, two insertion holes 15 are formed in the middle of one surface of the main housing 1 connected to the sub-housing 2 (see fig. 2), and the two insertion holes 15 are respectively formed at the connection positions of two side walls of the dual-hole portion 12 and one surface of the single-hole portion 13 away from the main half ring 31. As shown in fig. 4, two cylindrical insertion blocks 21 capable of being inserted into the insertion holes 15 are correspondingly disposed in the middle of the side of the main housing 1 connected to the sub-housing 2, and the insertion blocks 21 can be inserted into the insertion holes 15, so as to realize the insertion of the main housing 1 and the sub-housing 2.

Referring to fig. 3 and 4, one end of the sub-housing 2 is provided with a positioning block 22, one end of the positioning block 22 is connected with the sub-housing 2, and the other end is connected with the sub-half ring 32. The positioning groove 121 is formed on the side of the dual-hole portion 12 away from the single-hole portion 13, the positioning groove 121 is formed on the end of the dual-hole portion 12 away from the through hole 14 (see fig. 1), one end of the positioning groove 121 extends to be connected with the main half ring 31, and the other end penetrates through the end of the main housing 1 away from the main half ring 31. The positioning groove 121 is matched with the positioning block 22, and the positioning block 22 can be inserted into the positioning groove 121. The distance between one end of the positioning block 22 far away from the auxiliary shell 2 and the positioning groove 121 is greater than the distance between one end of the insertion block 21 far away from the auxiliary shell 2 and the insertion hole 15.

When pegging graft sub-housing 2 on main casing body 1, locating piece 22 inserts constant head tank 121 and inserts jack 15 earlier than inserted block 21 to make locating piece 22 and constant head tank 121 play the positioning action to the grafting of inserted block 21 with jack 15, be difficult for appearing positioning error when making inserted block 21 peg graft in jack 15, and then make grafting between them can pinpoint, realize going up the accurate positioning of casing on casing down, have the effect of being convenient for go up casing and casing grafting down.

Referring to fig. 3 and 4, in order to facilitate the insertion of the insertion block 21 into the insertion hole 15, a guide surface 211 is arranged on one surface of the insertion block 21 inserted into the insertion hole 15, the edge of the guide surface 211 is an arc surface, and the guide surface 211 is arranged to guide the insertion block 21 inserted into the insertion hole 15, so that the insertion block 21 can be rapidly and conveniently inserted into the insertion hole 15, and the insertion of the main housing 1 and the sub-housing 2 is facilitated.

Referring to fig. 3 and 4, in order to improve the stability of the secondary housing 2 after being inserted into the main housing 1, two reinforcing grooves 122 are formed at one end of the dual-hole portion 12 away from the through hole 14 (see fig. 1), and the two reinforcing grooves 122 are respectively formed at two side edges of the dual-hole portion 12. Correspondingly, reinforcing blocks 23 capable of being inserted into the reinforcing grooves 122 are arranged on two sides of one side of the main shell 1 connected with the auxiliary shell 2, each reinforcing block 23 comprises a reinforcing sheet 231 and an abutting sheet 232, one side of each reinforcing sheet 231 and one side of each abutting sheet 232 are connected with the auxiliary shell 2, one side of each reinforcing sheet 231 close to the inside of the auxiliary shell 2 is connected with one side of each abutting sheet 232 far away from the auxiliary shell 2, the area of the side of each reinforcing sheet 231 is smaller than that of the side of each abutting sheet 232, and each reinforcing sheet 231 is matched with the corresponding reinforcing groove 122.

After the main casing body 1 and the sub-casing body 2 are spliced, the reinforcing sheet 231 can be inserted into the reinforcing groove 122, the side wall of the reinforcing sheet 231 is connected to the inner wall of the reinforcing groove 122, the outer wall of one side of the abutting sheet 232 connected with the reinforcing sheet 231 can be attached to the inner wall of the double-hole portion 12, the reinforcing block 23 is not easy to slide at the reinforcing groove 122, and therefore the connection of the sub-casing body 2 on the main casing body 1 is more stable.

Referring to fig. 3 and 4, further, a limit block 24 is further arranged in the middle of one surface of the sub-housing 2 connected to the main housing 1, and the limit block 24 is arranged between the two insertion blocks 21. After the auxiliary housing 2 is inserted into the main housing 1, the two side walls of the limiting block 24 close to the two insertion blocks 21 can be attached to the inner side wall of one end of the single hole part 13 far away from the through hole 14 (see fig. 1), so that the connection stability of the auxiliary housing 2 on the main housing 1 is further improved.

Referring to fig. 3 and 4, a first partition plate 41 is disposed in the single hole portion 13, two sides of the first partition plate 41 are connected to two inner sidewalls of the single hole portion 13, and one side of the first partition plate 41 is connected to an inner wall of the single hole portion 13 far from the end of the sub-housing 2. Furthermore, a second partition plate 42 is arranged in the double-hole portion 12, a plane of a side surface of the second partition plate 42 is perpendicular to a plane of a side surface of the first partition plate 41, the second partition plate 42 is connected to the first partition plate 41, connected to an inner wall of one end of the single-hole portion 13 away from the sub-housing 2 while connecting an inner bottom wall of the double-hole portion 12 away from the single-hole portion 13, and arranged between the two second through holes 142.

The first partition plate 41 separates the single hole portion 13 and the double hole portion 12 at one end of the main casing 1 far away from the auxiliary casing 2, and the second partition plate 42 separates the two second through holes 142, so that the wires connected to the metal blocks passing through the first through holes 141 and the wires connected to the metal blocks passing through the second through holes 142 can be separated, and the wires connected to the metal blocks passing through the two second through holes 142 respectively are separated, so that the wires connected to the metal blocks passing through the three through holes 14 (see fig. 1) respectively are not easy to move to contact other wires, thereby preventing the normal operation of the plug from being influenced, and the plug has the effect of guaranteeing the quality of the plug.

Referring to fig. 2, after the main housing 1 and the sub-housing 2 are inserted, PVC is injected outside the main housing 1 and the sub-housing 2 to form a housing, and the housing can be used for producing a plug and connected to an electrical appliance for a user to use.

Three sockets 11 are formed in the auxiliary shell 2, and the sockets 11 are used for inserting metal blocks in another plug, so that the two plugs are connected, the purpose of increasing the plugging range can be achieved, and the effect of providing convenience for users is achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A stable plug inner housing, comprising: including main casing body (1) and grafting vice casing (2) on main casing body (1), jack (15) have been seted up to the one side of main casing body (1) grafting vice casing (2), the one side of vice casing body (2) grafting main casing body (1) is equipped with plug-in block (21) that can peg graft in jack (15), constant head tank (121) have been seted up in jack (15) below to the one side of main casing body (1) grafting vice casing body (2), the one side of vice casing body (2) grafting main casing body (1) is equipped with locating piece (22) that can insert constant head tank (121) in plug-in block (21) below, behind locating piece (22) insert constant head tank (121), plug-in block (21) insert jack (15).

2. A stabilized plug inner housing according to claim 1, wherein: one end of the insertion block (21) inserted into the insertion hole (15) is provided with a guide surface (211), and the edge of the guide surface (211) is an arc surface.

3. A stabilized plug inner housing according to claim 1 or claim 2, wherein: the utility model discloses a reinforcement groove (122) has been seted up to main casing body (1) connection auxiliary casing (2) one side, main casing body (1) one side is connected in auxiliary casing (2) is equipped with reinforcement piece (23) that can insert reinforcement groove (122), main casing body (1) is pegged graft the back with auxiliary casing (2), reinforcement piece (23) insert reinforcement groove (122), reinforcement piece (23) outer wall is laminated in reinforcement groove (122) inner wall.

4. A stabilized plug inner housing according to claim 3, wherein: the one side middle part that the main casing body (1) is connected in auxiliary housing (2) is equipped with stopper (24), auxiliary housing (2) are pegged graft in main casing body (1) back, the lateral wall laminating in main casing body (1) inside wall of stopper (24).

5. An inner housing for a stabilized plug according to claim 4, wherein: and one end of the main shell (1) far away from the auxiliary shell (2) is provided with a through hole (14) for the metal block to pass through.

6. An inner housing for a stabilized plug according to claim 5, wherein: the through hole (14) comprises a first through hole (141) and two second through holes (142), the first through hole (141) is arranged at one end, far away from one side of the auxiliary shell (2), of the main shell (1), the second through hole (142) is arranged at the other end, opposite to the first through hole (141), of the main shell (1), and a first partition plate (41) is arranged between the first through hole (141) and the second through hole (142) on the inner wall of the main shell (1).

7. An inner housing for a stabilized plug according to claim 6, wherein: the inner wall of the main shell (1) is provided with a second partition plate (42), and the second partition plate (42) is arranged between the two second through holes (142).

8. An inner housing for a stabilized plug according to claim 5, wherein: the side surface of the main shell (1) is provided with a through hole (33) for a lead to pass through.