CN209947688U

CN209947688U - Manual maintenance switch

Info

Publication number: CN209947688U
Application number: CN201921188609.0U
Authority: CN
Inventors: 朱红锋; 何小康
Original assignee: Pin Chuan Energy Electric Applicance Co Ltd Of Shenzhen
Current assignee: Pin Chuan Energy Electric Applicance Co Ltd Of Shenzhen
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-01-14
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a manual maintenance switch, its technical essential includes plug housing and socket housing, it inserts the post to be equipped with the cavity of wearing out in the plug housing, open cavity has been seted up on the plug housing, the holding chamber has been seted up to the bottom surface in the open cavity, the grafting sleeve pipe is installed to the holding intracavity, the post is inserted to cavity pegs graft in the grafting sleeve pipe from open cavity, the holding intracavity is equipped with firm subassembly, firm subassembly includes supports tight piece and the jam piece that is not hard up from top to bottom that prevents the grafting sleeve pipe of tight location with the grafting sleeve pipe. The utility model has the advantages of stable performance and high safety.

Description

Manual maintenance switch

Technical Field

The utility model relates to an auto-parts technical field, more specifically say, it relates to a manual maintenance switch.

Background

At present, the voltage used by electric vehicles is generally high voltage not less than 300V, and in order to avoid electric shock hazard caused by improper operation and damage of electrical components caused by overload and short circuit, a manual maintenance switch is required to be installed on a high-current main line of an automobile circuit. The manual maintenance switch plays the effect of protection power in electric automobile circuit, when emergency appears or carries out the battery maintenance installation, can in time break off manual maintenance switch, with the electric current disconnection of battery package, effectively avoids the electric shock condition because maintenance personal misoperation causes.

Similar to foretell manual maintenance switch among the prior art, it is installed by plug and socket detachable grafting, at the in-process of maintenance or maintenance installation, often need carry out the plug, and not hard up possibility can appear in the maintenance switch to cause the contact not tight, stability reduces, may cause the installation nature problem of maintenance switch's security.

SUMMERY OF THE UTILITY MODEL

To the technical problem at present, an object of the utility model is to provide a manual maintenance switch, it has stable performance, the high advantage of security.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a manual maintenance switch, includes plug housing and socket housing, be equipped with the cavity of wearing out in the plug housing and insert the post, open cavity has been seted up on the plug housing, the holding chamber has been seted up to the bottom surface in the open cavity, the grafting sleeve pipe is installed to the holding intracavity, the post is inserted to cavity pegs graft in the grafting sleeve pipe from open cavity, the holding intracavity is equipped with firm subassembly, firm subassembly includes the tight piece of supporting that supports the tight location of grafting sleeve pipe and prevents the tight piece of chucking that the grafting sleeve pipe is not hard up from top to bottom.

By adopting the technical scheme, the hollow inserting column in the plug shell and the inserting sleeve in the socket shell can be inserted and pulled out, the inserting can be communicated with a circuit, the circuit can be disconnected by pulling out, the plug shell is inserted from the open cavity, and the joint of the hollow inserting column and the inserting sleeve is coated by the open cavity after inserting, so that the inserting position can be prevented from being exposed; the stable assembly is used for ensuring that the inserting sleeve can be kept stable in repeated inserting and pulling processes, the abutting block positions the inserting sleeve and abuts tightly, the inserting position of the inserting sleeve cannot deviate due to looseness, the inserting sleeve is clamped by the clamping block, and the inserting position of the inserting sleeve cannot rotate. Therefore, the manual maintenance switch has the advantages of stable performance and high safety.

The utility model discloses further set up to: the electric conduction pin is welded in the middle of the inner bottom surface of the hole of the inserting sleeve, the inner wall of the inserting sleeve is provided with a bent sleeve conducting ring, the inner wall of the hollow inserting column is provided with a bent inserting column conducting ring, the outer side of the hollow inserting column is in friction pressing with the sleeve conducting ring, and the inserting column conducting ring is in friction pressing with the outer wall of the electric conduction pin.

By adopting the technical scheme, when the hollow inserting column is inserted into the inserting sleeve, the hollow inserting column can be inserted into the inserting sleeve, and larger friction force exists between the hollow inserting column and the inserting sleeve, so that the inserting column is tighter, and the electric connection performance is better.

The utility model discloses further set up to: the supporting block is at least three, the supporting block is distributed on the inner wall of the accommodating cavity at equal intervals, the side wall of the supporting block is attached to the outer side wall of the inserting sleeve, a convex arc supporting block is arranged on the side wall of one end of the supporting block, and the arc supporting block supports against the end face of the hole of the inserting sleeve.

By adopting the technical scheme, in order to prevent the plugging position of the plugging sleeve from deviating, a plurality of abutting blocks are arranged to surround and abut the side wall of the plugging sleeve, and meanwhile, the end face of the plugging sleeve is abutted tightly through the arc abutting blocks, so that the position of the plugging sleeve cannot deviate.

The utility model discloses further set up to: the chucking piece is equipped with at least three, chucking piece circumference equidistance distributes on holding intracavity wall, it is adjacent with the chucking piece to support the piece, the lateral wall laminating and the sheathed tube lateral wall of pegging graft of chucking piece, the sheathed tube lateral wall of shown grafting is equipped with the joint mouth that a plurality of circumference equidistance distribute, the lateral wall of chucking piece is equipped with convex fixture block, the fixture block joint is in the joint mouth.

Through adopting above-mentioned technical scheme, can not take place to rock from top to bottom in order to make the grafting sleeve pipe, so set up the chucking piece, go up convex fixture block card through the chucking piece and advance the joint mouth on the grafting sleeve pipe, it is fixed to carry out the joint with the sheathed tube lateral wall of pegging graft, ensures that the grafting sleeve pipe can not take place to rock from top to bottom.

The utility model discloses further set up to: and an insulating block is fixedly arranged at the upper end of the conductive pin.

Through adopting above-mentioned technical scheme, when the post is inserted to the cavity and pegs graft in the grafting sleeve pipe, when inserting at first, in order to avoid producing electric arc, the security when improving the grafting, so set up the insulating block on the conductive pin, the post is inserted to the cavity must inject and can form the circuit closure after inserting a certain position in the grafting sleeve pipe.

The utility model discloses further set up to: the plug comprises a plug shell, wherein the number of the hollow inserting columns in the plug shell is two, and the two hollow inserting columns are connected through a conductive connecting sheet.

By adopting the technical scheme, as the connector for electric connection, the hollow plug in the plug shell is usually directly bent, and the position of the bent part is easy to damage, so that the conductive connecting sheet is arranged, the hollow plug column is connected through the conductive connecting sheet, the hollow plug column does not need to be bent, and the cost is reduced.

The utility model discloses further set up to: be equipped with two at least sand grips on the inner wall of uncovered cavity, two constitute a constant head tank between the sand grip, the outside of plug housing is equipped with bellied gib block, the gib block slides in the constant head tank.

Through adopting above-mentioned technical scheme, for more convenient with the cavity insert the post peg graft in the grafting sleeve pipe, set up the constant head tank that the sand grip formed, inject the constant head tank with the guide strip on the plug housing from the accent of uncovered cavity, the guide strip slides in the uncovered cavity of orientation, can directly make the cavity insert the post can be direct accurate peg graft in inserting the sleeve pipe.

The utility model discloses further set up to: the plug comprises a plug shell and is characterized in that a U-shaped handle is hinged to the shell of the plug shell, a buckle is arranged on the U-shaped handle, a bulge is arranged on the shell of the socket shell, the buckle can be buckled on the bulge, and the plug shell and the socket shell can be buckled and fixed through the buckle and the bulge.

Through adopting above-mentioned technical scheme, inserting the post at cavity and pegging graft behind the sleeve pipe of pegging graft, in order to keep the stability of pegging graft, set up the U-shaped handle on the plug housing outside, the arch of sitting the casing in inserting can be buckled to the buckle on the U-shaped handle, and behind buckle and the protruding lock, plug housing and socket shell then are buckled.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the abutting block, the position of the inserting sleeve is ensured not to be loosened, the inserting position is not deviated, and good performance can be ensured only when the hollow inserting column is inserted;

(2) the side wall of the splicing sleeve is clamped and fixed by arranging the clamping block, so that the splicing sleeve is ensured not to rotate;

(3) through setting up the insulating block, when the stake is inserted to cavity and the mesopore is inserted and is pegged graft, just can the electricity intercommunication after need inject certain degree of depth, can improve the security.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic cross-sectional view illustrating the structure of the present embodiment;

FIG. 3 is a schematic view of a stable structure of the highlighted socket sleeve in the present embodiment;

fig. 4 is a schematic structural view showing the rotation of the plugging sleeve being restricted.

Reference numerals: 1. a plug housing; 2. a socket housing; 3. a U-shaped handle; 4. inserting a column in a hollow way; 5. an open cavity; 6. an accommodating cavity; 7. inserting a sleeve; 8. a stabilizing assembly; 9. a propping block; 10. a clamping block; 11. a conductive connecting sheet; 12. a post-inserted conducting ring; 13. a sleeve conducting ring; 14. a conductive pin; 15. a first bar-shaped opening; 16. a second strip port; 17. an insulating block; 18. an arc-shaped abutting block; 19. a clamping block; 20. a card interface; 21. an annular protrusion; 22. a notch; 23. a rotation limiting block; 24. a convex strip; 25. positioning a groove; 26. a guide strip; 27. buckling; 28. and (4) protruding.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The embodiment is a manual maintenance switch, as shown in fig. 1, including a plug housing 1 and a socket housing 2, the plug housing 1 and the socket housing 2 are detachably connected in a plugging manner, a U-shaped handle 3 is further disposed on the outer side of the plug housing 1, so that the plug housing 1 is convenient to be pulled out, a circuit is connected when the plug housing 1 is plugged into the socket housing 2, and the circuit is disconnected and connected when the plug housing 1 is pulled out from the socket housing 2.

As shown in fig. 1 and 2, a hollow insert column 4 is arranged in the plug housing 1, and the hollow insert column 4 penetrates out of the plug housing 1; an open cavity 5 is arranged on the socket shell 2, a communicated accommodating cavity 6 is arranged at the cavity bottom of the open cavity 5, an inserting sleeve 7 is installed in the accommodating cavity 6, and the inserting position of the inserting sleeve 7 is communicated with the cavity bottom of the open cavity 5; the hollow plug column 4 is plugged into the plug sleeve 7 from the open cavity 5.

As shown in fig. 2 and 3, a stabilizing assembly 8 is arranged in the socket housing 2, the stabilizing assembly 8 is used for fixing the plugging sleeve 7, the stabilizing assembly 8 includes a supporting block 9 and a clamping block 10, both the supporting block 9 and the clamping block 10 are fixedly arranged on the inner wall of the accommodating cavity 6, and the supporting block 9 can support the plugging sleeve 7 tightly, so that the plugging position of the plugging sleeve 7 is prevented from shifting to cause difficult plugging and easy damage; the chucking piece can carry out the joint with grafting sleeve pipe 7 and fix, prevents that grafting sleeve pipe 7 from taking place to rock from top to bottom, and the cavity of pegging graft incoming is inserted post 4 and is taken place to connect the electricity unstability, influences the stability after the grafting.

As shown in fig. 2 and 3, the middle hole plug is inserted into the insertion sleeve 7 from the open cavity 5, so as to form circuit connection, and in order to ensure the stability and safety of circuit connection, it is necessary to ensure that the insertion is smooth each time, the positions are aligned, and the looseness cannot occur. And then the firm subassembly 8 that sets up fixes grafting position of grafting sleeve pipe 7, fixes grafting sleeve pipe 7 in holding chamber 6 through supporting tight piece 9 and chucking piece 10, keeps grafting sleeve pipe 7's stable in position accurate, just can ensure that maintenance switch stable performance, security are high.

As shown in fig. 2 and 3, two hollow inserting columns 4 are provided, a conductive connecting sheet 11 is arranged in the plug housing 1, the conductive connecting sheet 11 is used for connecting two ends of the two hollow inserting columns 4, and the two hollow inserting columns 4 are communicated after connection; two accommodating cavities 6 communicated with the bottom surfaces of the open cavities 5 are arranged, and two corresponding inserting sleeves 7 are arranged and are respectively arranged in the two corresponding accommodating cavities 6; the splicing section of the hollow splicing column 4 is spliced into the splicing sleeve 7, two communicated hollow splicing columns 4 are respectively connected with the two splicing sleeves 7, and the two splicing sleeves 7 can be connected to form a communicated circuit; on the contrary, the hollow inserting column 4 and the inserting sleeve 7 are pulled out, and then the connected circuit can be cut off.

Further, as shown in fig. 2 and 3, in order to ensure the stability of the plugging; the inner wall of the hollow inserted column 4 is provided with a bent inserted column conducting ring 12; a bent sleeve conducting ring 13 is arranged on the inner wall of the inserting sleeve 7, and a conducting pin 14 is welded in the middle of the inner hole of the inserting sleeve 7; when the hollow inserting column 4 is inserted into the inserting sleeve 7, the outer wall of the inserting column of the hollow inserting column 4 is abutted and rubbed with the sleeve conducting ring 13 on the inner inserting wall, and the inserting column conducting ring 12 in the hollow inserting column 4 is abutted and rubbed with the outer wall of the conducting pin 14 in the inserting sleeve 7; specifically, a first strip-shaped opening 15 which is obliquely arranged is formed in the sleeve conducting ring 13, a second strip-shaped opening 16 which is obliquely arranged is formed in the inserted column conducting ring 12, and in the inserting process, the friction force can be increased by the obliquely cut first strip-shaped opening 15 and the second strip-shaped opening 16; after the hollow inserting column 4 is inserted into the inserting sleeve 7, the sleeve conducting ring 13 and the inserting column conducting ring 12 are both pressed and deformed due to friction, so that the inserting friction is larger, and the stability after inserting is improved.

Further, as shown in fig. 2 and 3, in order to improve the safety of the hollow plug-in post 4 and the plug-in sleeve 7 during plugging, an insulating block 17 is arranged at the upper end of the conductive pin 14, the insulating block 17 is made of an insulating plastic material, the diameter of the side wall of the insulating block 17 is as large as that of the side wall of the conductive pin 14, at the initial position of plugging, the plug-in sleeve 7 firstly touches the insulating block 17, and cannot be conductive temporarily, and the plug-in sleeve can be electrically communicated only after being plugged into a part of the hollow plug-in post, so that electric arcs which are generated frequently during the initial plugging are avoided, and the safety of plugging is improved.

As shown in fig. 2 and 3, in order to ensure that the plugging position of the service switch does not deviate loosely, a good connection needs to be maintained every plugging, so that the plugging position of the plugging sleeve 7 needs to be fixed; the abutting block 9 comprises abutting blocks 9 distributed on the side wall of the accommodating cavity 6 in three equal intervals, the side wall of each abutting block 9 is attached to the outer side wall of the inserting sleeve 7, one end side wall of each abutting block 9 is provided with a convex arc abutting block 18, each arc abutting block 18 abuts against the inserting end face of the inserting sleeve 7, the outer wall and the inserting end face of the inserting sleeve 7 are abutted, the inserting position cannot deviate, and therefore the inserting position of the inserting sleeve 7 cannot deviate.

Further, as shown in fig. 2 and fig. 3, in order to ensure the security and the stability of maintenance switch, chucking piece 10 includes chucking piece 10 of three circumference equidistance distribution on the lateral wall of holding chamber 6, chucking piece 10 is adjacent with supporting tight piece 9, the upper end of chucking piece 10 is equipped with convex fixture block 19, the lateral wall of grafting sleeve pipe 7 is equipped with the joint mouth 20 of a plurality of circumference equidistance distributions, fixture block 19 joint is in joint mouth 20, make the lateral wall of grafting sleeve pipe 7 be fixed by the joint, and then make grafting sleeve pipe 7 can not rock from top to bottom, further improvement stability.

Further, as shown in fig. 2 and 4, the middle of the insertion sleeve 7 is further provided with an annular protrusion 21, two sides of the annular protrusion 21 are further provided with two notches 22, the inner wall of the accommodating cavity 6 is further provided with a rotation limiting block 23, and the rotation limiting block 23 is attached to the notches 22, so that the insertion sleeve 7 cannot rotate, and the stability of the insertion sleeve 7 is further enhanced.

As shown in fig. 1, for more convenient insertion of the hollow plug 4 into the plug sleeve 7; be equipped with a plurality of sand grips 24 on the inner wall of uncovered cavity 5, can constitute a constant head tank 25 between two sand grips 24, be equipped with protruding 28 gib block 26 in the outside of plug housing 1, the constant head tank 25 that the sand grip 24 formed has been set up, inject constant head tank 25 with the gib block 26 on the plug housing 1 from the accent department of uncovered cavity 5, gib block 26 slides in towards uncovered cavity 5, can directly make the direct accurate grafting of cavity inserted column 4 in grafting sleeve pipe 7.

As shown in fig. 1, two ends of the U-shaped handle 3 are hinged to two outer side walls of the plug housing 1, a buckle 27 is arranged on the U-shaped handle 3, a protrusion 28 corresponding to the U-shaped handle 3 is arranged on a side wall of the socket housing 2, and after the plug housing 1 is plugged into the socket housing 2, the buckle 27 on the U-shaped handle 3 can be buckled and fixed on the protrusion 28, and only the plug housing 1 and the socket housing 2 can be buckled after being plugged into each other, so that the plugging stability is improved.

The utility model discloses a working process and beneficial effect as follows: the hollow plug column 4 in the plug shell 1 and the plug sleeve 7 in the socket shell 2 can be plugged and unplugged, the plug can be connected with a circuit, the circuit can be disconnected after being unplugged, the plug shell 1 is plugged from the open cavity 5, and the joint of the hollow plug column 4 and the plug sleeve 7 after being plugged is coated by the open cavity 5, so that the plugging part can be prevented from being exposed; the stabilizing component 8 is used for ensuring that the inserting sleeve 7 can keep stable performance unaffected in the repeated inserting and pulling process, the inserting sleeve 7 is positioned and tightly supported by the supporting block 9, the inserting position of the inserting sleeve 7 cannot deviate due to looseness, the inserting sleeve 7 is clamped by the clamping block 10, and the inserting position of the inserting sleeve 7 cannot shake up and down. Therefore, the manual maintenance switch has the advantages of stable performance and high safety.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A manual service switch, its characterized in that: including plug housing (1) and socket housing (2), be equipped with cavity that wears out in plug housing (1) and insert post (4), open cavity (5) have been seted up on plug housing (1), holding chamber (6) have been seted up to open cavity (5) inner bottom surface, install grafting sleeve pipe (7) in holding chamber (6), cavity is inserted post (4) and is pegged graft in grafting sleeve pipe (7) from open cavity (5), be equipped with firm subassembly (8) in holding chamber (6), firm subassembly (8) including supporting tightly supporting tight piece (9) and the joint in grafting sleeve pipe (7) radial outer wall will be pegged graft sleeve pipe (7) and support tight block (10) that tight block (9) and joint carry out axial positioning in grafting sleeve pipe (7) radial outer wall.

2. The manual service switch of claim 1, wherein: the utility model discloses a well casing structure, including the downthehole bottom surface of grafting sleeve pipe (7), the downthehole bottom surface middle part welding of grafting sleeve pipe (7) is equipped with conductive needle (14), grafting sleeve pipe (7) inner wall is equipped with crooked sleeve pipe conducting ring (13), the inner wall that post (4) were inserted to the cavity is equipped with crooked post conducting ring (12) of inserting, the outside that post (4) were inserted to the cavity is supported and is pressed in sleeve pipe conducting ring (13), insert post conducting ring (12) and support and press in the outer wall of conductive needle (.

3. The manual service switch of claim 1, wherein: the utility model discloses a socket, including support piece (9), support piece (9) circumference equidistance distribution on holding chamber (6) inner wall, the lateral wall laminating in the lateral wall of grafting sleeve pipe (7) of support piece (9), the one end lateral wall of support piece (9) is equipped with convex arc and supports piece (18), the arc supports piece (18) and supports the hole terminal surface at grafting sleeve pipe (7).

4. The manual service switch of claim 3, wherein: chucking piece (10) are equipped with at least three, chucking piece (10) circumference equidistance distributes on holding chamber (6) inner wall, it is adjacent with chucking piece (10) to support tight piece (9), the lateral wall laminating of chucking piece (10) and the lateral wall of grafting sleeve pipe (7), the lateral wall of the shown grafting sleeve pipe (7) is equipped with joint mouth (20) that a plurality of circumference equidistance distribute, the lateral wall of chucking piece (10) is equipped with convex fixture block (19), fixture block (19) joint in joint mouth (20).

5. The manual service switch of claim 2, wherein: and an insulating block (17) is fixedly arranged at the upper end of the conductive pin (14).

6. The manual service switch of claim 1, wherein: the plug is characterized in that the number of the hollow inserting columns (4) in the plug shell (1) is two, and the two hollow inserting columns (4) are electrically connected through the conductive connecting sheet (11).

7. The manual service switch of claim 1, wherein: be equipped with two at least sand grips (24) on the inner wall of uncovered cavity (5), two constitute a constant head tank (25) between sand grip (24), the outside of plug housing (1) is equipped with gib block (26) of arch (28), gib block (26) slide in constant head tank (25).

8. The manual service switch of claim 1, wherein: the plug comprises a plug shell (1) and is characterized in that a U-shaped handle (3) is hinged to the shell of the plug shell (1), a buckle (27) is arranged on the U-shaped handle (3), a bulge (28) is arranged on the shell of a socket shell (2), the buckle (27) can be buckled on the bulge (28), and the plug shell (1) and the socket shell (2) can be buckled and fixed through the buckle (27) and the bulge (28).