CN218448597U

CN218448597U - Sheath mounting structure

Info

Publication number: CN218448597U
Application number: CN202222653867.XU
Authority: CN
Inventors: 倪丽忠
Original assignee: Ruian Enchi Electronics Co ltd
Current assignee: Ruian Enchi Electronics Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-03
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a sheath mounting structure, including the sheath body that the both ends opening set up, sheath body appearance and casing installation opening internal diameter adaptation, the opening that the sheath body is close to casing one end is spacing end, and both sides all are equipped with about the spacing end and are used for spacing in the casing installation opening with the sheath body and make the first limit structure that the sheath body can't be extracted from the casing installation opening part, and spacing end left and right sides all is equipped with and is used for spacing in the casing installation opening with the sheath body and make the sheath body can't get into the second limit structure in the casing installation opening, the beneficial effects of the utility model are that: change traditional sheath structure and mounting means for the sheath body does not have the risk of droing, and the installation is firm, and assembly efficiency is high and the cost is lower than the tradition.

Description

Sheath mounting structure

Technical Field

The utility model relates to a charger for electric motor car, dc-to-ac converter equipment field, concretely relates to sheath mounting structure.

Background

The inverter is used for converting direct current electric energy into alternating current, and consists of an inverter bridge, a control logic circuit and a filter circuit, and is widely applied to various fields, at present, the power supply of a fuel cell electric vehicle also uses the inverter for charging and discharging, the fuel cell is used as a power source of a new energy automobile, and because the output characteristic of the fuel cell is soft, the dynamic response is slow, the output voltage changes greatly along with the output current and other reasons, a DC-DC converter is required to be added at the output end of the fuel cell, and the DC-DC converter is used as a bridge between the fuel cell and an electric drive system, is one of the key components of a fuel cell power generation system, and the performance of the DC-DC converter directly influences the application of the fuel cell;

the bus bar is arranged in ports used for output or input on the inverter and the charger, after the bus bar is connected with the shell, the shell of the inverter is provided with a sheath to surround the bus bar, in the prior art, the sheath is composed of a sheath base and a sheath, when the sheath is installed, the sheath base is firstly locked on the shell of the inverter through screws, then the sheath is sleeved on the sheath base, and then the sheath is locked on the sheath base through buckles, the installation mode is complex, the falling risk exists, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to solve the defects of the prior art,

a jacket installation structure is provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: a sheath mounting structure characterized in that: including the sheath body that both ends opening set up, sheath body appearance and casing installation opening internal diameter adaptation, the opening that the sheath body is close to casing one end is spacing end, both sides all are equipped with and are used for spacing the sheath body in casing installation opening and make the first limit structure that the sheath body can't be extracted from casing installation opening part about spacing end, the spacing end left and right sides all is equipped with and is used for spacing the sheath body in casing installation opening and make the sheath body can't get into the second limit structure in the casing from casing installation opening.

Adopt above-mentioned technical scheme, the sheath not only installs the trouble among the prior art and drops the back sheath with the buckle of sheath locking on the sheath base and also has the risk that drops, the utility model discloses a set up different first limit structure and second limit structure about reaching with the one end of sheath body respectively from top to bottom, certainly first, second limit structure's position can exchange, the principle is the same, through first limit structure and second limit structure's cooperation with the sheath body spacing not only can not press the sheath body into the casing toward the casing direction at casing installation opening part, and can not extract the sheath body along the opposite direction, the sheath body firmly is fixed at casing installation opening part, no risk of droing and mounting means are simple.

A jacket installation structure as described above may be further configured such that: first limit structure includes the butt strip that both sides outwards extended the setting about the spacing end, and the butt strip is installed in casing installation opening back at the sheath body and is offseted with shells inner wall, second limit structure forms the elasticity end including the relative breach groove that sets up between two breach grooves, and the one end that two elasticity ends were kept away from each other is provided with supports the pin, supports the pin and offsets with the outer wall of casing after the sheath body is installed in casing installation opening.

Adopt above-mentioned technical scheme, the utility model discloses a slightly different among sheath body mounting means and the prior art, all from casing outside direct mount or here directly through screw fixed connection among the prior art, the utility model discloses a set up sheath body appearance with casing installation opening internal diameter shape adaptation, install the sheath body from the casing is inside outwards, after the sheath body passes through the casing installation opening, the butt strip that its one end set up offsets with the casing is inside, make the sheath body can't deviate from the casing inner chamber, after the installation targets in place, the butt foot and the casing outer wall of elasticity end offset, make the sheath body can't get into the casing inner chamber from the casing, consequently the sheath body neither can break away from the inner chamber nor can dismantle from the outside, firm in connection, the risk of droing does not have, and when needs are changed or are maintained, can realize dismantling in pressing the sheath body again with the sheath body in the sheath body according to the casing inner chamber with the orientation of going to opposite directions.

A jacket installation structure as described above may be further configured such that: the sheath body sets up the other end that supports the pin relatively at the elasticity end and is provided with the spacing strip of relative setting, interval and busbar width adaptation between the spacing strip of both sides.

Adopt above-mentioned technical scheme, through set up two relative spacing strips that set up respectively in the one side that the elasticity end is relative, form the breach with busbar width adaptation between the spacing strip of both sides, the busbar is spacing in the sheath through forming the breach between the spacing strip, install binding post and can accomplish the installation on the busbar afterwards, also can further with the thickness adaptation that the clearance set up between the spacing strip of homonymy and the busbar, further restrict the busbar, on the other hand, the spacing strip that sets up at the elasticity end plays the effect of strengthening rib, thereby make if there is not very big effort to act on the elasticity end just can't make the elasticity end internal contraction dismantle this sheath body, thereby improve stability.

A jacket installation structure as described above may be further configured such that: the distance from the limiting strip to the bottom of the sheath body is smaller than the distance from the limiting strip to the top of the sheath body, the lower portion of the sheath body is provided with the identification strip, the shell mounting opening is provided with an accommodating notch corresponding to the identification strip, and the accommodating notch is communicated with the shell mounting opening.

Adopt above-mentioned technical scheme, with spacing distance setting to sheath body bottom be less than to the distance at sheath body top, design the space in advance, can directly pack the busbar into the sheath body behind busbar upper portion direct mount binding post, promote the installation effectiveness, the sign strip of setting then is favorable to when the installation respectively the direction of sheath body, further improves the installation effectiveness.

The utility model has the advantages that: change traditional sheath structure and mounting means for the sheath body does not have the risk of droing, and the installation is firm, and assembly efficiency is high and the cost is lower than the tradition.

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

Drawings

Fig. 1 is a perspective view of a charger according to an embodiment of the present invention, schematically illustrated in fig. 1.

Fig. 2 is a perspective view of a charger according to an embodiment of the present invention, schematically illustrated in fig. 2.

Fig. 3 is a schematic perspective view of the charger according to the embodiment of the present invention with one side of the sheath body removed.

Fig. 4 is a schematic perspective view 1 of a sheath body according to an embodiment of the present invention.

Fig. 5 is a schematic perspective view 2 of a sheath body according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view 3 of a sheath body according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1-6: the utility model provides a novel sheath mounting structure, referring to fig. 1, a DC-DC direct current charger is shown, which comprises a shell 1, the shell 1 is composed of a shell sheet metal and guard plates 4 at two ends of the shell, and a sheath body 2 arranged at one end of the shell 1, a plurality of shell mounting openings 11 are arranged on the guard plates 4, a sheath body 2 is arranged at the shell mounting opening 11, the charger is provided with an input end and an output end, so that the two ends of the shell 1 are both provided with a sheath body 2 and a conductive strip 3, openings at two ends of the sheath body 2 are arranged, the appearance of the sheath body 2 is matched with the inner diameter of the shell mounting opening 11, an opening at one end of the sheath body 2 close to the guard plates 4 is a limiting end 21, the upper side and the lower side of the limiting end 21 are both provided with a first limiting structure for limiting the sheath body 2 in the shell mounting opening 11 and promoting the sheath body 2 to be unable to be pulled out from the shell mounting opening 11, and the left side and the right side of the limiting end 21 are both provided with a second limiting structure for limiting the sheath body 2 to be unable to be inserted into the shell mounting opening 11;

the sheath is not only troublesome to install but also has the risk of falling after the buckle for locking the sheath on the sheath base falls off in the prior art, the utility model discloses a first limit structure and a second limit structure which are different are respectively arranged on the left side, the right side, the upper side and the lower side of the same end of the sheath body, of course, the positions of the first limit structure and the second limit structure can be interchanged, the principle is the same, the sheath body is limited at the shell installation opening by the cooperation of the first limit structure and the second limit structure, the sheath body can not be pressed into the shell in the shell direction and can not be pulled out in the opposite direction, the sheath body is firmly fixed at the shell installation opening, no falling risk exists, and the installation mode is simple;

the first limiting structure comprises a butting strip 211 which extends outwards from the upper side and the lower side of the limiting end 21, the butting strip 211 butts against the inner wall of the guard plate 4 after the protective sleeve body 2 is installed in the shell installation opening 11, the second limiting structure comprises oppositely arranged notch grooves 212, an elastic end 213 is formed between the two notch grooves 212, a butting pin 214 is arranged at one end, away from each other, of each elastic end 213, and the butting pin 214 butts against the outer wall of the shell 1 after the protective sleeve body 2 is installed in the shell installation opening 11;

the utility model discloses a sheath body mounting means is slightly different from prior art, all install from the casing outside directly or here directly through screw fixed connection among the prior art, the utility model discloses a with the casing installation opening internal diameter shape adaptation that sheath body appearance set up, install the sheath body from the casing inside to outside, after the sheath body passes through the casing installation opening, the butt strip that its one end set up offsets with the casing inside, make the sheath body can't deviate from the casing inner chamber, after the installation targets in place, the butt foot of elastic end offsets with the casing outer wall, make the sheath body can't get into the casing inner chamber from the casing, therefore the sheath body neither can break away from the inner chamber nor can dismantle from the outside, firm in connection, no risk of droing, and when needing to change or maintain, press the sheath body into the sheath body in opposite direction again and press the sheath body into the casing inner chamber and can realize dismantling;

the other end of the sheath body 2, opposite to the abutting pin 214 at the elastic end 21, is provided with opposite limiting strips 215, and the distance between the limiting strips 215 at the two sides is adapted to the width of the conductive strip 3;

by adopting the technical scheme, two oppositely arranged limiting strips are respectively arranged on the opposite surfaces of the elastic ends, gaps matched with the width of the conductive strips are formed between the limiting strips on the two sides, the conductive strips are limited in the sheath by the gaps formed between the limiting strips, then the installation can be completed by installing the wiring terminals on the conductive strips, the gaps between the limiting strips on the same side can be further matched with the thickness of the conductive strips, the conductive strips are further limited, on the other hand, the limiting strips arranged on the elastic ends play a role of reinforcing ribs, so that the elastic ends can not be inwards contracted if no large acting force acts on the elastic ends, and the sheath body is detached, and the stability is improved;

the distance from the limiting strip 215 to the bottom of the sheath body 2 is smaller than the distance from the limiting strip 215 to the top of the sheath body, the lower part of the sheath body 2 is provided with a marking strip 216, the housing installation opening 11 is provided with an accommodating notch 12 corresponding to the marking strip 216, and the accommodating notch 12 is communicated with the housing installation opening 11;

the distance from the limiting strip to the bottom of the sheath body is smaller than the distance from the limiting strip to the top of the sheath body, a space is designed in advance, the bus bar can be directly installed in the sheath after the wiring terminal is directly installed at the bottom of the bus bar, the installation efficiency is improved, the arranged identification strips are favorable for respectively arranging the directions of the sheath body during installation, and the installation efficiency is further improved;

Claims

1. A sheath mounting structure characterized in that: including the sheath body that both ends opening set up, sheath body appearance and casing installation opening internal diameter adaptation, the opening that the sheath body is close to casing one end is spacing end, both sides all are equipped with and are used for spacing in casing installation opening and make the first limit structure that the sheath body can't be extracted from casing installation opening part with the sheath body about spacing end, spacing end left and right sides all is equipped with and is used for spacing in casing installation opening and make the sheath body can't get into the second limit structure in the casing from casing installation opening.

2. A jacket installation structure as set forth in claim 1, wherein: first limit structure includes the butt strip that both sides outwards extended the setting about spacing end, and the butt strip is installed in casing installation opening back and is supported with shells inner wall at the sheath body, second limit structure is including the relative breach groove that sets up, forms the elasticity end between two breach grooves, and the one end that two elasticity ends were kept away from each other is provided with supports the pin, supports the pin and supports with the outer wall of casing after the sheath body is installed in casing installation opening.

3. A jacket installation structure as set forth in claim 2, wherein: the sheath body sets up the other end that supports the pin relatively at the elasticity end and is provided with the spacing of relative setting, interval and busbar width adaptation between the spacing of both sides.

4. A jacket installation structure as set forth in claim 3, wherein: the distance from the limiting strip to the bottom of the sheath body is smaller than the distance from the limiting strip to the top of the sheath body, the lower portion of the sheath body is provided with the identification strip, the shell mounting opening is provided with an accommodating notch corresponding to the identification strip, and the accommodating notch is communicated with the shell mounting opening.