CN203883157U - Disconnection card used for controlling grounding of down lead - Google Patents
Disconnection card used for controlling grounding of down lead Download PDFInfo
- Publication number
- CN203883157U CN203883157U CN201420179738.4U CN201420179738U CN203883157U CN 203883157 U CN203883157 U CN 203883157U CN 201420179738 U CN201420179738 U CN 201420179738U CN 203883157 U CN203883157 U CN 203883157U
- Authority
- CN
- China
- Prior art keywords
- band steel
- breaking
- downlead
- contact
- shell body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 161
- 239000010959 steel Substances 0.000 claims abstract description 161
- 239000000463 material Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000010960 cold rolled steel Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model provides a disconnection card used for controlling grounding of a down lead, which is characterized in that the disconnection card is installed on the down lead, the down lead comprises two contact breaking ends, and the disconnection card comprises first flat steel, second flat steel and third flat steel; a first end of the first flat steel and a first end of the second flat steel are connected with the two contact breaking ends of the down lead respectively; a second end of the first flat steel and a first end of the third flat steel are connected through a nut bolt provided with a spring in a sleeved mode; a second end of the second flat steel is provided with a clamping body, and a second end of the third flat steel is provided with a clamping slot matched with the clamping body; the third flat steel can rotate around the nut bolt provided with the spring in the sleeved mode, and when the third flat steel rotates and enables the clamping body to be clamped with the clamping slot, the down lead is connected through the first flat steel, the second flat steel and the third flat steel; and when the third flat steel rotates and enables the clamping body to be separated from the clamping slot, the down lead is disconnected. The disconnection card provided by the utility model for controlling grounding of the down lead is disassembled more conveniently.
Description
Technical field
The utility model relates to technical field of buildings, particularly relates to a kind of for controlling the breaking of contact of downlead ground connection.
Background technology
Most of building all possesses lightning protection device, and a set of complete lightning protection device comprises arrester, downlead and earthing device.Some building need to outside the building arrange ad hoc downlead.According to " Code for design of lightning protection of buildings " (GB50057-2010) 5.3.6 article of regulation: while adopting many ad hoc downleads, should be on each downlead, between the 0.3m to 1.8m of ground, breaking of contact is set.Detect for lightning-arrest, meteorological department's regulation is carried out one-time detection to lightning protection device every year, and in the time detecting, the breaking of contact arranging need to be disconnected and testing on every downlead.
Existing is by stack after downlead is disconnected substantially while breaking of contact being set on every downlead, breaking of contact is set with fastened by screw.Breaking of contact is set like this, because screw is serious in outdoor state corrosion, disconnects very difficultly, what have more originally cannot dismantle, so just for the breaking of contact that disconnects every downlead has brought difficulty.
Visible, to adopt existing mode to arrange on downlead breaking of contact dismounting difficulty.Therefore, in the time of lightning-arrest detection, need to consume plenty of time and manpower for disconnecting breaking of contact.
Utility model content
It is a kind of for controlling the breaking of contact of downlead ground connection that the utility model provides, and dismantles difficult problem to solve breaking of contact set on current downlead.
In order to address the above problem, the utility model discloses a kind of for controlling the breaking of contact of downlead ground connection, described breaking of contact is installed on downlead, and described downlead comprises two disconnecting ends, and described breaking of contact comprises: the first band steel, the second band steel and the 3rd band steel; Wherein, the first end of described the first band steel is connected with two disconnecting ends of described downlead respectively with the first end of described the second band steel; The second end of described the first band steel has the bolt of attaching the names of pre-determined candidates of spring to be connected with the first end of described the 3rd band steel by cover; The second end of described the second band steel is provided with locking member, and the second end of described the 3rd band steel is provided with the buckling groove matching with described locking member; Described the 3rd band steel can have around described cover the nut bolt rotation of spring, and in the time that described the 3rd band steel rotation makes described locking member and described buckling groove clamping, described downlead is by described the first band steel, described the second band steel and described the 3rd band steel conducting; In the time that described the 3rd band steel rotation makes described locking member separate with described buckling groove, described downlead disconnecting.
Preferably, describedly also comprise shell body for the breaking of contact of controlling downlead ground connection, described shell body comprises bottom shell body and covers the upper cover on described bottom shell body, and described bottom shell body comprises relative the first side wall and the 3rd sidewall, the second relative sidewall and the 4th sidewall and a bottom; Described the first band steel, the second band steel and the 3rd band steel are fixed in described shell body, and insulate with described shell body; On the described the first side wall of described bottom shell body and the 3rd sidewall, be arranged with two openings, or, on described the second sidewall and the 4th sidewall, be arranged with two openings, the first end of described the first band steel, be connected with two disconnecting ends of described downlead by one in described two openings respectively with the first end of described the second band steel.
Preferably, between described two openings and described the first band steel, the second band steel, be provided with electro-insulating rubber pad; The bottom of described bottom shell body is provided with the first cross-over block and the second cross-over block; Wherein, described the first cross-over block is between described the first band steel and described bottom shell body bottom, and described the first band steel has the bolt of attaching the names of pre-determined candidates of spring to be fixedly connected with described the first cross-over block by described cover; Described the second cross-over block is between described the second band steel and described bottom shell body bottom, and described the second band steel is fixedly connected with described the second cross-over block by the bolt of attaching the names of pre-determined candidates.
Preferably, between described the first band steel and described the first cross-over block, be provided with the fixing fixed head of the bolt of attaching the names of pre-determined candidates that has spring by described cover; On described fixed head, being positioned at described cover has the bolt both sides of attaching the names of pre-determined candidates of spring to be respectively equipped with the bolt of attaching the names of pre-determined candidates, to control the anglec of rotation of described the 3rd band steel.
Preferably, described bottom shell body is connected by articulated mounting with described upper cover.
Preferably, the bottom of described bottom shell body comprises four legs, on described four legs, has respectively the pad that is provided with installing hole, by described installing hole, described bottom shell body is fixed in fixture.
Preferably, described shell body is bent and is formed by cold-rolled steel sheet.
Preferably, on described the 3rd band steel, there is attaching the names of pre-determined candidates of spring to be provided with a handles between bolt and described buckling groove at described cover.
Preferably, described spring is that stainless steel, described the first band steel, described the second band steel and described the 3rd band steel are zinc-plated carbon steel material.
Preferably, described locking member is butterfly bolt.
Compared with prior art, the utlity model has following advantage:
The utility model provide a kind of formed by three band steels with clamping apparatus for controlling the breaking of contact of downlead ground connection, this breaking of contact is installed on downlead.Wherein, the first band steel is connected with two disconnecting ends of downlead respectively with the second band steel, can make locking member with buckling groove clamping or separate by rotating the 3rd band steel, can realize the disconnecting of downlead in the time that locking member separates with buckling groove.The breaking of contact providing by the utility model, only need rotate the 3rd band steel while disconnecting breaking of contact and locking member is separated with buckling groove just can realize downlead disconnecting lightning-arrest detection, compare the opening operation of existing breaking of contact, it is convenient for controlling the breaking of contact dismounting of downlead ground connection that the utility model provides, and in the time that lightning-arrest testing process breaks breaking of contact, can save plenty of time and manpower.
Brief description of the drawings
Fig. 1 is a kind of for controlling the structural representation of breaking of contact of downlead ground connection according to the utility model embodiment mono-;
Fig. 2 is a kind of for controlling the positive view under the breaking of contact off-state of downlead ground connection according to the utility model embodiment bis-;
Fig. 3 be shown in Fig. 2 for controlling the positive view under the breaking of contact closure state of downlead ground connection;
Fig. 4 be shown in Fig. 2 for controlling the front outline drawing of breaking of contact of downlead ground connection;
Fig. 5 be shown in Fig. 2 for controlling the sectional view of breaking of contact of downlead ground connection.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment mono-
With reference to Fig. 1, show a kind of for controlling the structural representation of breaking of contact of downlead ground connection according to the utility model embodiment.
As shown in Figure 1, the breaking of contact for controlling downlead ground connection of the present embodiment comprises: the first band steel 102, the second band steel 104 and the 3rd band steel 106; The breaking of contact for controlling downlead ground connection in the present embodiment is installed on downlead, and one end of downlead is communicated with arrester, and the other end is communicated with earth electrode.Breaking of contact is used for controlling downlead ground connection or disconnection.But according to " Code for design of lightning protection of buildings " need to be on downlead, between the 0.3m to 1.8m of ground, breaking of contact is set, so accordingly on downlead, apart from ground 0.3m to 1.8m, two disconnecting ends just need to be set, for connecting the breaking of contact of the present embodiment.
In the time connecting, the first end of the first band steel 102 is connected with two disconnecting ends of downlead respectively with the first end of the second band steel 104; Like this, the first band steel 102 is just communicated with arrester by downlead, and the second band steel 104 is just communicated with earth electrode by downlead.It should be noted that, the breaking of contact in the present embodiment there is no fixing installation direction, the first band steel 102 can also be communicated with earth electrode by downlead when mounted, and the second band steel 104 is communicated with arrester by downlead.And, the first band steel 102 and the second band steel 104 can be had to multiple connected mode when being connected with two disconnecting ends respectively, for example: by screw connect, the mode such as welding.
Introducing after the link position and connected mode of breaking of contact, describing in detail the structure of breaking of contact below.As shown in Figure 1, the second end of the first band steel 102 and the first end of the 3rd band steel 106 have the bolt 108 of attaching the names of pre-determined candidates of spring to be connected by cover; The second end that the second end of the second band steel 104 is provided with locking member 1042, the three band steels 106 is provided with the buckling groove 1062 matching with locking member; The 3rd band steel 106 can have the nut bolt 108 of spring to rotate around cover, and in the time that the 3rd band steel 106 rotations make locking member 1042 with buckling groove 1062 clamping, downlead is by the first band steel 102, the second band steel 104 and the 3rd band steel 106 conductings; In the time that the 3rd band steel 106 rotations make locking member 1042 separate with buckling groove 1062, downlead disconnecting.
It should be noted that, in the utility model, the shape of locking member is not done to concrete restriction, as long as can match and play the effect of clamping with buckling groove.Locking member in the present embodiment is that a kind of preferred locking member is butterfly bolt.Preferably, in the time that breaking of contact is designed, can also be on the 3rd band steel 106, have attaching the names of pre-determined candidates of spring between bolt 108 and buckling groove 1062, to design a handles 1064 at cover, this handle uses while being convenient to disconnection or closed breaking of contact, in the present embodiment, breaking of contact is provided with handle exactly, certainly can also not establish handle.
When need to disconnect in the present embodiment when controlling the breaking of contact of downlead ground connection, only need to remove the clamping state between butterfly bolt and buckling groove, then rotate the 3rd band steel by handle and can realize the disconnecting of breaking of contact, and then make downlead disconnecting.
The present embodiment provide formed by three band steels with clamping apparatus for controlling the breaking of contact of downlead ground connection, this breaking of contact is installed on downlead, wherein, the first band steel is connected with two disconnecting ends of downlead respectively with the second band steel.In the time disconnecting downlead, only just can make locking member with buckling groove clamping or separate by rotating the 3rd band steel, in the time that separating with buckling groove, can realize locking member the disconnecting of downlead.The breaking of contact providing by the present embodiment, only need rotate the 3rd band steel while disconnecting breaking of contact and locking member is separated with buckling groove just can realize downlead disconnecting lightning-arrest detection, compare the opening operation of existing breaking of contact, the breaking of contact dismounting that the present embodiment provides is convenient, in the time that lightning-arrest testing process breaks breaking of contact, can save plenty of time and manpower.
Embodiment bis-
It is a kind of more preferred for controlling the breaking of contact of downlead ground connection that the present embodiment provides, and in the present embodiment, is being provided with shell body for the breaking of contact of controlling downlead ground connection described in embodiment mono-for controlling on the basis of breaking of contact of downlead ground connection.The concrete structure how shell body and shell body are set, will be described in detail with reference to Fig. 2 to Fig. 5 in the present embodiment.
Fig. 2 is the positive view under off-state for the breaking of contact of controlling downlead ground connection of the present embodiment.As shown in Figure 2, the breaking of contact in the present embodiment comprises: the first band steel 202, the second band steel 204 and the 3rd band steel 206; In addition breaking of contact also comprises shell body, this shell body comprises bottom shell body 208 and covers the upper cover on bottom shell body, because Fig. 2 is positive view, therefore in Fig. 2, do not draw upper cover, concrete upper cover and the position relationship of bottom shell body are combined in the back Fig. 4 and are described in detail.And owing to being that cutaway view bottom shell body is only by the represented face that represents of lines, and each have label separately, therefore cannot mark bottom shell body from figure.For fear of misunderstanding, in Fig. 2, just do not mark the label of bottom shell body, but in Fig. 4, have the label that marks bottom shell body, its label is 208.
As shown in Figure 2, bottom shell body 208 comprises relative the first side wall 2082 and the 3rd sidewall 2084, the second relative sidewall 2086 and the 4th sidewall 2088 and a bottom 20810; The first band steel 202, the second band steel 204 and the 3rd band steel 206 are fixed in shell body, and insulate with shell body.
The second end of the first band steel 202 has the bolt 210 of attaching the names of pre-determined candidates of spring to be connected with the first end of the 3rd band steel 206 by cover; The second end of the second band steel 204 is provided with butterfly bolt 2042 as locking member, and the second end of the 3rd band steel 206 is provided with the buckling groove 2062 matching with butterfly bolt 2042; The 3rd band steel 206 can have around cover the nut bolt rotation 210 of spring, makes butterfly bolt 2042 with buckling groove 2062 clampings or separates.On the 3rd band steel 206, have attaching the names of pre-determined candidates of spring to be provided with a handles 2064 between bolt 210 and buckling groove 2062 at cover.
As follows for controlling the bottom shell body of breaking of contact and the particular location relation of three band steels of downlead ground connection in the present embodiment:
As shown in Figure 2, on the second sidewall 2086 of bottom shell body and the 4th sidewall 2088, be arranged with two openings, the first end of the first band steel 202, be connected with two disconnecting ends of downlead by one in two openings respectively with the first end of the second band steel 204.Between two openings and the first band steel 202, the second band steel 204, be provided with electro-insulating rubber pad, the label of electro-insulating rubber pad is respectively 212 and 214; The bottom of bottom shell body 208 is provided with the first cross-over block 216 and the second cross-over block 218(cross-over block does not mark in Fig. 2, in Fig. 5, clearly marks).
It should be noted that, establish symmetrical opening on the sidewall of bottom shell body time, can also on the first side wall and the 3rd sidewall, symmetry establish two openings, in the present embodiment, be only to have enumerated a concrete example, in the time of concrete application, those skilled in the art can arrange the size of opening, the setting position of selection opening according to the actual requirements.
The position relationship of bottom shell body and three band steels has been described in conjunction with Fig. 2 in superincumbent content, below in conjunction with Fig. 5 be in the present embodiment for the sectional view of breaking of contact of controlling downlead ground connection to being being introduced of how insulating between three band steels and bottom shell body.
As shown in Figure 5, the first cross-over block 216 on the bottom of bottom shell body 208 is between the first band steel 202 and bottom shell body bottom, and the first band steel has the bolt 210 of attaching the names of pre-determined candidates of spring to be fixedly connected with the first cross-over block 216 by cover; In the time connecting, between the first band steel 202 and the first cross-over block 216, be provided with the fixing fixed head 220 of the bolt 210 of attaching the names of pre-determined candidates that has spring by cover; The second cross-over block 218 is between the second band steel 204 and bottom shell body bottom 20810, the second band steel 204 is fixedly connected with the second cross-over block 218 by the bolt 226 of attaching the names of pre-determined candidates, and in the time connecting, between the second band steel 204 and the second cross-over block 218, is also provided with fixed head.By the setting in Fig. 5, make three band steels by the first cross-over block 216 and the second cross-over block 218 and bottom shell body bottom insulation, between two openings and the first band steel 202, the second band steel 204, insulate by electro-insulating rubber pad, and then ensure to insulate between three band steels and shell body.In the present embodiment, the first cross-over block 216 and the second cross-over block 218 are fixed by screws on bottom shell body bottom 20810.
As can be seen from Figure 2, on fixed head 220, being positioned at cover has bolt 210 both sides of attaching the names of pre-determined candidates of spring to be respectively equipped with the bolt 222 and 224 of attaching the names of pre-determined candidates, to control the anglec of rotation of the 3rd band steel 206.At the fixed head for fixing the second band steel, multiple bolts of attaching the names of pre-determined candidates can be set too, so that the second band steel is fixing more firm.The 3rd band steel 206 can have the nut bolt 210 of spring to rotate around cover, in the time that needs disconnect breaking of contact, dismantles after butterfly bolt, rotates the 3rd band steel 206 butterfly bolt 2042 is separated with buckling groove 2062, now downlead disconnecting by handle 2064.The positive view of the breaking of contact that demonstrated in Figure 2 is exactly in the present embodiment under off-state.
Fig. 3 be shown as in the present embodiment for controlling the positive view under the breaking of contact closure state of downlead ground connection, as can be seen from Figure 3, breaking of contact is under closure state, butterfly bolt 2042 and buckling groove 2062 clampings, now, the first band steel 202, the second band steel 204 and the 3rd band steel 206 conductings, form electric path.While needing measurement of Grounding Resistance, only need to dismantle butterfly bolt 2042, swing handle 2064 rotates the 3rd band steel 206 makes butterfly bolt 2042 separate and make downlead disconnecting with buckling groove 2062, and the arrester being connected with downlead so and earth electrode are just in off state.And the 3rd band steel on the breaking of contact in the present embodiment can fall after rise under Action of Gravity Field, very laborsaving while therefore rotating the 3rd band steel.
Introducing after the operation principle of the breaking of contact for controlling downlead ground connection and the particular location relation of each parts, below in conjunction with Fig. 4, the shell body for the breaking of contact of controlling downlead ground connection in the present embodiment is once being described.As shown in Figure 4, shell body comprises bottom shell body 208 and covers the upper cover 228 on bottom shell body, and bottom shell body 208 is connected by articulated mounting 2282 with upper cover 228.The bottom 20810 of bottom shell body comprises four legs, because four legs are the same, therefore only one of them leg has been carried out to label in the drawings, and label is 208102.On four legs, there is respectively the pad that is provided with installing hole, by installing hole, bottom shell body 208 is fixed in fixture.For example: by bolt, bottom shell body is fixed on the wall, thereby breaking of contact is fixed on the wall.Breaking of contact in the present embodiment, is isolated from the outside three band steels by shell body, effectively avoid the corrosion of external environment to access section, ensures that breaking of contact can easily disconnect.
The shell body for the breaking of contact of controlling downlead ground connection in the present embodiment is bent and is formed by cold-rolled steel sheet, and degree of protection is more than IP54.Wherein, IP(Ingress Protection, degree of protection) grade be for electric equipment shell to allotrylic degree of protection, source is the standard IEC 60529 of International Electrotechnical Commission.Spring in breaking of contact in the present embodiment is that stainless steel, the first band steel, the second band steel and the 3rd band steel are zinc-plated carbon steel material, and the specification of each band steel is: wide 40 millimeters, and thick 4 millimeters.
It should be noted that, in the present embodiment, be only enumerated a kind of specification for controlling the breaking of contact of downlead ground connection, but those skilled in the art should be clear and definite, the shape of setting, material and the shell body of the size of breaking of contact band steel, be not limited to this one described in the present embodiment, those skilled in the art can adjust according to the actual requirements, do not do concrete restriction at this.
Provide by the present embodiment formed by three band steels with shell body clamping apparatus and that there is protection for controlling the breaking of contact of downlead ground connection; this breaking of contact is installed on downlead; in the time disconnecting downlead; only just can make butterfly bolt with buckling groove clamping or separate by rotating the 3rd band steel, in the time that butterfly bolt separates with buckling groove, can realize the disconnecting of downlead.The breaking of contact providing by the present embodiment only need rotate the 3rd band steel butterfly bolt is separated with buckling groove and just can realize downlead disconnecting in the time that lightning-arrest detection disconnects breaking of contact, and the screw dismounting that need to dismantle corrosion while comparing existing breaking of contact disconnection is convenient.Simultaneously, the breaking of contact providing in the present embodiment is also provided with the shell body of the corrosion of defence external environment to access section, ensure that the access section of breaking of contact can corrosion in the time of closure, effectively avoided existing breaking of contact to cause the problem of lightning strike accident because corrosion causes loose contact.Visible, provide by the present embodiment for the breaking of contact of controlling downlead ground connection in ensureing convenient disassembly, also effectively avoided the lightning strike accident causing because of breaking of contact corrosion.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.Be described in detail for the breaking of contact of controlling downlead ground connection provided by the utility model above, applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (10)
1. for controlling a breaking of contact for downlead ground connection, it is characterized in that, described breaking of contact is installed on downlead, and described downlead comprises two disconnecting ends, and described breaking of contact comprises: the first band steel, the second band steel and the 3rd band steel;
Wherein, the first end of described the first band steel is connected with two disconnecting ends of described downlead respectively with the first end of described the second band steel;
The second end of described the first band steel has the bolt of attaching the names of pre-determined candidates of spring to be connected with the first end of described the 3rd band steel by cover;
The second end of described the second band steel is provided with locking member, and the second end of described the 3rd band steel is provided with the buckling groove matching with described locking member;
Described the 3rd band steel can have around described cover the nut bolt rotation of spring, and in the time that described the 3rd band steel rotation makes described locking member and described buckling groove clamping, described downlead is by described the first band steel, described the second band steel and described the 3rd band steel conducting; In the time that described the 3rd band steel rotation makes described locking member separate with described buckling groove, described downlead disconnecting.
2. according to claim 1 for controlling the breaking of contact of downlead ground connection, it is characterized in that, described breaking of contact also comprises shell body, described shell body comprises bottom shell body and covers the upper cover on described bottom shell body, described bottom shell body comprises relative the first side wall and the 3rd sidewall, the second relative sidewall and the 4th sidewall and a bottom; Described the first band steel, the second band steel and the 3rd band steel are fixed in described shell body, and insulate with described shell body;
On the described the first side wall of described bottom shell body and the 3rd sidewall, be arranged with two openings, or, on described the second sidewall and the 4th sidewall, be arranged with two openings, the first end of described the first band steel, be connected with two disconnecting ends of described downlead by one in described two openings respectively with the first end of described the second band steel.
3. according to claim 2ly it is characterized in that for controlling the breaking of contact of downlead ground connection, between described two openings and described the first band steel, the second band steel, be provided with electro-insulating rubber pad; The bottom of described bottom shell body is provided with the first cross-over block and the second cross-over block;
Wherein, described the first cross-over block is between described the first band steel and described bottom shell body bottom, and described the first band steel has the bolt of attaching the names of pre-determined candidates of spring to be fixedly connected with described the first cross-over block by described cover;
Described the second cross-over block is between described the second band steel and described bottom shell body bottom, and described the second band steel is fixedly connected with described the second cross-over block by the bolt of attaching the names of pre-determined candidates.
4. according to claim 3ly it is characterized in that for controlling the breaking of contact of downlead ground connection, between described the first band steel and described the first cross-over block, be provided with the fixing fixed head of the bolt of attaching the names of pre-determined candidates that has spring by described cover; On described fixed head, being positioned at described cover has the bolt both sides of attaching the names of pre-determined candidates of spring to be respectively equipped with the bolt of attaching the names of pre-determined candidates, to control the anglec of rotation of described the 3rd band steel.
According to described in claim 2-4 any one for controlling the breaking of contact of downlead ground connection, it is characterized in that, described bottom shell body is connected by articulated mounting with described upper cover.
6. according to claim 5 for controlling the breaking of contact of downlead ground connection, it is characterized in that, the bottom of described bottom shell body comprises four legs, on described four legs, has respectively the pad that is provided with installing hole, by described installing hole, described bottom shell body is fixed in fixture.
7. according to claim 6ly it is characterized in that for controlling the breaking of contact of downlead ground connection, described shell body is bent and is formed by cold-rolled steel sheet.
8. according to claim 1ly it is characterized in that for controlling the breaking of contact of downlead ground connection, on described the 3rd band steel, have attaching the names of pre-determined candidates of spring to be provided with a handles between bolt and described buckling groove at described cover.
9. according to claim 1ly it is characterized in that for controlling the breaking of contact of downlead ground connection, described spring is that stainless steel, described the first band steel, described the second band steel and described the 3rd band steel are zinc-plated carbon steel material.
10. according to claim 1ly it is characterized in that for controlling the breaking of contact of downlead ground connection, described locking member is butterfly bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179738.4U CN203883157U (en) | 2014-04-11 | 2014-04-11 | Disconnection card used for controlling grounding of down lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179738.4U CN203883157U (en) | 2014-04-11 | 2014-04-11 | Disconnection card used for controlling grounding of down lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883157U true CN203883157U (en) | 2014-10-15 |
Family
ID=51683629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420179738.4U Expired - Lifetime CN203883157U (en) | 2014-04-11 | 2014-04-11 | Disconnection card used for controlling grounding of down lead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267654A (en) * | 2017-12-30 | 2018-07-10 | 广东思诺伟智能技术有限公司 | A kind of component debugger for pcb board |
-
2014
- 2014-04-11 CN CN201420179738.4U patent/CN203883157U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267654A (en) * | 2017-12-30 | 2018-07-10 | 广东思诺伟智能技术有限公司 | A kind of component debugger for pcb board |
| CN108267654B (en) * | 2017-12-30 | 2023-10-13 | 广东思诺伟智能技术有限公司 | Component debugger for PCB |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20141015 |