CN206657774U - A kind of half short-circuit resistance intrinsically safe circuit protection device - Google Patents
A kind of half short-circuit resistance intrinsically safe circuit protection device Download PDFInfo
- Publication number
- CN206657774U CN206657774U CN201720253675.6U CN201720253675U CN206657774U CN 206657774 U CN206657774 U CN 206657774U CN 201720253675 U CN201720253675 U CN 201720253675U CN 206657774 U CN206657774 U CN 206657774U
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- connector
- resistance
- circuit
- spring
- inwall
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Abstract
The utility model discloses a kind of half short-circuit resistance intrinsically safe circuit protection device, including resistance housing, the both ends of the resistance housing are arranged with two the first connectors, and first the one end of connector away from resistance housing be connected with the first copper contact blade, the outer sheath of the resistance housing is provided with protection sleeve, and the inwall of protection sleeve is provided with annular groove of the opening towards resistance housing, the bottom of the annular groove is provided with slide plate, and slide plate is provided with the swollen pipe of heat close to the side of resistance housing, the inwall of both sides up and down of the protection sleeve is provided with position accumulator tank corresponding with the first connector, and the bottom of accumulator tank is connected with the second connector by the first spring, the described one end of second connector away from the first spring is connected with the second copper contact blade matched with the first copper contact blade.The utility model is simple in construction, easy to operate, and circuit can be protected, and so as to prevent circuit from exploding, a variety of disasters such as fire occur.
Description
Technical field
It the utility model is related to a kind of protection device, more particularly to a kind of half short-circuit resistance intrinsically safe circuit protection device.
Background technology
Electric power energy is a part essential during we live, and electric power energy brings very big to our lives
It is convenient, and while being offered convenience to us, what we also will be rationally appropriate utilizes electric power resource, if can not advise well
Circuit and protection circuit are drawn, electric power energy can bring about very big disaster；Half short circuit would generally be used in the use of circuit
Resistance, half short-circuit resistance can generate heat after using one end time, a variety of calamities such as the blast of meeting detonator circuit, fire after heating
It is difficult；Therefore, it is proposed that a kind of half short-circuit resistance intrinsically safe circuit protection device solves the above problems.
Utility model content
The purpose of this utility model is and the short-circuit resistance of one kind half proposed in order to solve shortcoming present in prior art
Intrinsically safe circuit protection device.
To achieve these goals, the utility model employs following technical scheme：
A kind of half short-circuit resistance intrinsically safe circuit protection device, including resistance housing, the both ends of the resistance housing are symmetrically set
There are two the first connectors, and the one end of the first connector away from resistance housing is connected with the first copper contact blade, the resistance housing
Outer sheath be provided with protection sleeve, and protect sleeve inwall be provided with annular groove of the opening towards resistance housing, the annular
The bottom of groove is provided with slide plate, and slide plate is provided with the swollen pipe of heat, the both sides up and down of the protection sleeve close to the side of resistance housing
Inwall is provided with position accumulator tank corresponding with the first connector, and the bottom of accumulator tank is connected with the second connection by the first spring
Head, the described one end of second connector away from the first spring are connected with the second copper contact blade matched with the first copper contact blade, and described
Two connectors are additionally provided with two support rods close to the side of the first spring, and the first spring is located between two support rods, the support rod
One end away from the second connector is set through the side wall of protection sleeve, and is connected between two support rods outside protection sleeve
Push rod is connected to, the inwall of the accumulator tank both sides is arranged with two chutes connected with accumulator tank, and the bottom of chute passes through
Second spring is connected with kelly, and the both sides up and down of the slide plate are respectively connected with connecting rod, and connecting rod runs through the inwall of chute simultaneously
It is connected with kelly, the sidewall symmetry of the second connector both sides is provided with two necks matched with kelly.
Preferably, the swollen pipe of heat is made of high temperature resistant material.
Preferably, the outer wall of the push rod is enclosed with insulating barrier.
Preferably, the inwall of the neck is equipped with anti-slip veins.
The utility model is simple in construction, easy to operate, when half short-circuit resistance before the use, pass through push rod and support rod
Effect, makes the second copper contact blade of the second connector be slided to the first connector and stretches the first spring, when the second copper contact blade and the
When first copper contact blade of one connector is connected, kelly and neck clamping, so that the second connector of the position is fixed, work as resistance
After housing uses a period of time, if there is heat condition, it can expand the swollen pipe of heat, so as to extrude in annular groove
Slide plate, slide plate is slided in annular groove, and drive the kelly movement in chute to compress second spring simultaneously by connecting rod,
When kelly and neck depart from, the first connector is made the second copper contact blade be separated with the first copper contact blade by the pulling force of the first spring,
So that resistance housing powers off, therefore whole circuit can be protected.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of half short-circuit resistance intrinsically safe circuit protection device structural representation；
Fig. 2 is the structural representation at A in Fig. 1.
In figure：1 resistance housing, 2 first connectors, 3 protection sleeves, 4 annular grooves, 5 slide plates, the swollen pipe of 6 heat, 7 chutes, 8
First spring, 9 kellies, 10 accumulator tanks, 11 second connectors, 12 first copper contact blades, 13 second copper contact blades, 14 support rods, 15 push rods,
16 second springs, 17 necks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of half short-circuit resistance intrinsically safe circuit protection device, including resistance housing 1, the two of resistance housing 1
End is arranged with two the first connectors 2, and first one end of connector 2 away from resistance housing 1 is connected with the first copper contact blade 12,
The outer sheath of resistance housing 1 is provided with protection sleeve 3, and protects the inwall of sleeve 3 to be provided with opening towards the annular recessed of resistance housing 1
Groove 4, the bottom of annular groove 4 is provided with slide plate 5, and slide plate 5 is provided with the swollen pipe 6 of heat close to the side of resistance housing 1, and the swollen pipe 6 of heat is adopted
It is made of high temperature resistant material, prevents high temperature from damaging the swollen pipe 6 of heat, so that whole protection device loses the function of its own, is protected
The inwall of both sides up and down of pretective sleeve pipe 3 is provided with position and 2 corresponding accumulator tank 10 of the first connector, and the bottom of accumulator tank 10 passes through
First spring 8 is connected with the second connector 11, and the one end of the second connector 11 away from the first spring 8 is connected with and the first copper contact blade
Second copper contact blade 13 of 12 matchings, the second connector 11 are additionally provided with two support rods 14, and the first bullet close to the side of the first spring 8
Between two support rods 14, the one end of support rod 14 away from the second connector 11 is set spring 8 through the side wall of protection sleeve 3, and
Push rod 15 is connected between two support rods 14 outside protection sleeve 3, the outer wall of push rod 15 is enclosed with insulating barrier, prevents from using
When promoting push rod 15 electrocution conditions occur for family, and the inwalls of the both sides of accumulator tank 10 is arranged with two and connected with accumulator tank 10
Chute 7, and the bottom of chute 7 is connected with kelly 9 by second spring 16, the both sides up and down of slide plate 5 are respectively connected with connecting rod, and
Connecting rod runs through the inwall of chute 7 and is connected with kelly 9, and the sidewall symmetry of the both sides of the second connector 11 is provided with two and kelly 9
The neck 17 of matching, the inwall of neck 17 are equipped with anti-slip veins, make kelly 9 and the fastness of the clamping of neck 17 more preferable.
The utility model is simple in construction, easy to operate, when half short-circuit resistance before the use, pass through push rod 15 and support rod
14 effect, second copper contact blade 13 of the one end of the second connector 11 is slided to the first connector 2 and stretch the first spring 8, when
When first copper contact blade 12 of the second copper contact blade 13 and the first connector 2 is connected, kelly 9 and the clamping of neck 17, so that the position
The second connector 11 fix, after resistance housing 1 is using a period of time, if there is heat condition, can go out the swollen pipe 6 of heat
Now expand, so as to extrude the slide plate 5 in annular groove 4, slide plate 5 is slided in annular groove 4, and driven and slided by connecting rod
The movement of kelly 9 in groove 7 compresses second spring 16 simultaneously, and when kelly 9 and the disengaging of neck 17, the first connector 2 is by first
The pulling force of spring 8, the second copper contact blade 13 is set to be separated with the first copper contact blade 12, so that resistance housing 1 powers off, therefore can be to whole
Individual circuit is protected.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (4)
1. a kind of half short-circuit resistance intrinsically safe circuit protection device, including resistance housing (1), it is characterised in that the resistance housing
(1) both ends are arranged with two the first connectors (2), and the one end of the first connector (2) away from resistance housing (1) is connected with
First copper contact blade (12), the outer sheath of the resistance housing (1) is provided with protection sleeve (3), and protects the inwall of sleeve (3) to be provided with
The annular groove (4) being open towards resistance housing (1), the bottom of the annular groove (4) is provided with slide plate (5), and slide plate (5) leans on
The side of nearly resistance housing (1) is provided with the swollen pipe (6) of heat, and the inwall of both sides up and down of the protection sleeve (3) is provided with position and first
Accumulator tank (10) corresponding to connector (2), and the bottom of accumulator tank (10) is connected with the second connector by the first spring (8)
(11), the one end of second connector (11) away from the first spring (8) is connected with second matched with the first copper contact blade (12)
Copper contact blade (13), second connector (11) are additionally provided with two support rods (14), and the first bullet close to the side of the first spring (8)
Spring (8) is between two support rods (14), and the one end of the support rod (14) away from the second connector (11) is through protection sleeve (3)
Side wall set, and be connected with push rod (15), the accumulator tank between two support rods (14) outside protection sleeve (3)
(10) inwall of both sides is arranged with two chutes (7) connected with accumulator tank (10), and the bottom of chute (7) passes through the second bullet
Spring (16) is connected with kelly (9), and the both sides up and down of the slide plate (5) are respectively connected with connecting rod, and connecting rod is through chute (7)
Inwall is simultaneously connected with kelly (9), and the sidewall symmetry of the second connector (11) both sides is provided with two cards matched with kelly (9)
Groove (17).
A kind of 2. half short-circuit resistance intrinsically safe circuit protection device according to claim 1, it is characterised in that the swollen pipe of heat
(6) it is made of high temperature resistant material.
A kind of 3. half short-circuit resistance intrinsically safe circuit protection device according to claim 1, it is characterised in that the push rod
(15) outer wall is enclosed with insulating barrier.
A kind of 4. half short-circuit resistance intrinsically safe circuit protection device according to claim 1, it is characterised in that the neck
(17) inwall is equipped with anti-slip veins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720253675.6U CN206657774U (en) | 2017-03-16 | 2017-03-16 | A kind of half short-circuit resistance intrinsically safe circuit protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720253675.6U CN206657774U (en) | 2017-03-16 | 2017-03-16 | A kind of half short-circuit resistance intrinsically safe circuit protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206657774U true CN206657774U (en) | 2017-11-21 |
Family
ID=60315896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720253675.6U Expired - Fee Related CN206657774U (en) | 2017-03-16 | 2017-03-16 | A kind of half short-circuit resistance intrinsically safe circuit protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206657774U (en) |
-
2017
- 2017-03-16 CN CN201720253675.6U patent/CN206657774U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20180316 |