CN212648549U - Connecting wire for odor sensor - Google Patents

Abstract

The utility model relates to the field of electrical technology, in particular to a connecting wire for a smell sensor, which comprises a plurality of electric wires, wherein both ends of the electric wires are connected with an inserting spring plastic shell through inserting spring terminals, the outer side of the electric wires is wrapped with a fire-resistant layer, the fire-resistant layer is a fire-resistant felt, the outer wall of the fire-resistant layer is sleeved with a fixed layer, the fixed layer is a heat-shrinkable tube, the length of the fixed layer is not more than that of the fire-resistant layer, the outer side of the fixed layer is provided with a ribbon, the outer side of the inserting spring plastic shell is wrapped with a protective layer, the protective layer is the fire-resistant felt, and the outer wall of the protective layer is provided with a protective layer, thereby solving the problems that when most of families carry out the fixed layer, the insulation grade of the electric wires is easily damaged by heat, even the electric elements are burnt by short circuit, thereby affecting the normal operation of the odor sensor.

Description

Connecting wire for odor sensor

Technical Field

The utility model relates to an electrical technology field specifically is a connecting wire for smell sensor.

Background

As is well known, odor sensor need utilize the connecting wire to constitute electrical connection when being connected with other devices or instrument, and present connecting wire in use for odor sensor discovers, when carrying out the family member to the fixed bed mostly, leads to the heat to damage the insulation level of electric wire, takes place the short circuit even and burns out electric elements to the length of connecting wire is protected to most inconvenient, thereby leads to the electric wire and inserts the spring terminal between fictitious when tensile spring plastic casing is inserted, thereby influences odor sensor's normal work.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a connecting wire for smell sensor has solved most when carrying out the family to the fixed bed, leads to the heat to damage the insulation level of electric wire easily, takes place the short circuit even and burns out electrical component to most inconvenient length to the connecting wire is protected, thereby leads to between electric wire and the plug spring terminal virtual when tensile plug spring plastic casing, thereby influences the problem of smell sensor's normal work.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a connecting wire for an odor sensor comprises a plurality of electric wires, wherein two ends of each electric wire are connected with an insertion spring plastic shell through insertion spring terminals, the outer side of each electric wire is wrapped with a fire-resistant layer, the fire-resistant layer is a fire-resistant felt, a fixing layer is sleeved on the outer wall of the fire-resistant layer, the fixing layer is a heat-shrinkable tube, the length of the fixing layer is not more than that of the fire-resistant layer, a binding tape is arranged on the outer side of the fixing layer, a protective layer is wrapped on the outer side of the insertion spring plastic shell and is a fire-resistant felt, a protective layer is arranged on the outer wall of the protective layer and is a heat-shrinkable tube, the length of the protective layer and the length of the protective layer are not less than twice the length of the insertion spring plastic shell, an intermediate terminal is arranged at the joint of the two ends of each electric wire and the insertion spring terminals, the intermediate terminal is a heat, and anti-stretching lines are fixedly connected between the two stress rings on the left side and between the two stress rings on the right side, and the anti-stretching lines are non-metal lines.

Preferably, the number of the electric wires is not less than three.

Preferably, each of the socket spring terminals is a socket spring terminal with self-locking.

Preferably, each of the insert spring plastic shells is a male.

Preferably, the mounting hole of each insert spring plastic shell is not lower than four holes.

Preferably, the type of the tie is not less than 3 x 100 MM.

(III) advantageous effects

Compared with the prior art, the utility model provides a connecting wire for smell sensor possesses following beneficial effect:

the connecting wire for the odor sensor is convenient for electrically connecting the odor sensor by arranging the inserting spring terminal and the inserting spring plastic shell, is convenient for fixing the fixing layer and the fireproof layer by arranging the fireproof layer to prevent the fixing layer and the fireproof layer from moving left and right when the fixing layer is heated to shrink the fixing layer and the electric wire is bundled so as to avoid the heat from damaging the electric wire and further influence the insulating strength of the electric wire, is convenient for fixing the fixing layer and the fireproof layer by arranging the binding belt to prevent the fixing layer and the fireproof layer from moving left and right, is convenient for further enhancing the electric connection strength between the electric wire and the inserting spring terminal by arranging the middle terminal to prevent the electric wire and the inserting spring from being indirectly connected by arranging the tensile resistance wire when the inserting spring plastic shell is bundled and fixed by arranging the protective layer, the problem that when the plastic shell of the inserting spring is stretched, the wire is prevented from being stretched in a transition mode, so that the wire and the inserting spring terminal are connected in an indirect mode, and normal work of the odor sensor is affected is solved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention at the enlarged part A in FIG. 1;

fig. 3 is a schematic diagram of the structure of the present invention at a part B in fig. 1.

In the figure: 1. an electric wire; 2. a spring insertion terminal; 3. a spring-insertion plastic housing; 4. a refractory layer; 5. a fixed layer; 6. binding a belt; 7. a protective layer; 8. a protective layer; 9. an intermediate terminal; 10. a stress ring; 11. a stretch resistant wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a connecting wire for an odor sensor comprises a plurality of electric wires 1, both ends of the electric wires 1 are connected with a spring insertion plastic shell 3 through spring insertion terminals 2, the outer side of the electric wires 1 is wrapped with a fire-resistant layer 4, the fire-resistant layer 4 is a fire-resistant felt, a fixing layer 5 is sleeved on the outer wall of the fire-resistant layer 4, the fixing layer 5 is a heat-shrinkable tube, the length of the fixing layer 5 is not more than the length of the fire-resistant layer 4, a binding tape 6 is arranged on the outer side of the fixing layer 5, the outer side of the spring insertion plastic shell 3 is wrapped with a protective layer 7, the protective layer 7 is a fire-resistant felt, the outer wall of the protective layer 7 is provided with a protective layer 8, the protective layer 8 is a heat-shrinkable tube, the length of the protective layer 7 and the length of the protective layer 8 are not less than twice the length of the spring insertion, the left side and the right side of one end of the spring insertion plastic shell 3 close to the fire-resistant layer 4 are symmetrically and fixedly connected with stress rings 10, a stretch-resistant wire 11 is fixedly connected between the two stress rings 10 on the left side and between the two stress rings 10 on the right side, the stretch-resistant wire 11 is a nonmetal wire, the spring insertion terminal 2 and the spring insertion plastic shell 3 are arranged to facilitate the electrical connection of the odor sensor, the fire-resistant layer 4 is arranged to heat the fixed layer 5 to shrink the fixed layer 5 when the electric wire 1 is bundled so as to avoid the heat from damaging the electric wire 1 and further influence the insulation strength of the electric wire 1, the fixing layer 5 and the fire-resistant layer 4 are conveniently fixed by arranging a binding belt 6 to prevent the fixed layer 5 and the fire-resistant layer 4 from moving left and right, the protective layer 7 is arranged to heat the protective layer 8 to shrink the protective layer 8 when the spring insertion plastic shell 3 is bundled and fixed, the heat is prevented from damaging the plug spring plastic shell 3, so that the using effect of the plug spring plastic shell 3 is influenced, the electric connection strength between the electric wire 1 and the plug spring terminal 2 is further enhanced by arranging the middle terminal 9, the virtual connection between the electric wire 1 and the plug spring terminal 2 is prevented, the excessive stretching of the electric wire 1 is avoided by arranging the stretch-resistant wire 11 when the plug spring plastic shell 3 is stretched, so that the virtual connection between the electric wire 1 and the plug spring terminal 2 is caused, the normal work of the odor sensor is influenced, the number of the electric wires 1 is not less than three, the odor sensor is convenient to be connected with different types of odor sensors, the limitation is reduced, each plug spring terminal 2 is a plug spring terminal with self-locking, the connection strength of the plug spring terminal is improved, the bad contact is prevented, each plug spring plastic shell 3 is a male connector, and the connection and installation are convenient when the odor sensor is connected, therefore, the working efficiency is improved, the mounting holes of the spring inserting plastic shells 3 are not lower than four holes, the difficulty of maintenance is reduced by arranging the mounting holes, the type of the binding belt 6 is not lower than 3 MM by 100MM, and the fixing effect on the fixing layer 5 is further improved.

When using, at first use this connecting wire to connect PCB board and odor sensor, then heat inoxidizing coating 8 and fixed bed 5, because protective layer 7 and flame retardant coating 4, lead to the heat can not damage plug spring plastic casing 3 and electric wire 1, use ribbon 6 to stabilize fixed bed 5 at last, prevent the fixed bed 5 drunkenness from top to bottom, its middle terminal 9, strengthen electric wire 1 and plug spring terminal 2's electrical connection intensity, prevent to connect the virtual between electric wire 1 and the plug spring terminal 2, when tensile plug spring plastic casing 3, tensile line 11 avoids transition tensile electric wire 1, thereby lead to connecting the virtual between electric wire 1 and the plug spring terminal 2, thereby influence odor sensor's normal work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a connecting wire for smell sensor, includes many electric wires (1), and the both ends of electric wire (1) all are connected with through inserting spring terminal (2) and insert spring plastic casing (3), its characterized in that: the outer side of the electric wire (1) is wrapped by a fire-resistant layer (4), the fire-resistant layer (4) is a fire-resistant felt, a fixing layer (5) is sleeved on the outer wall of the fire-resistant layer (4), the fixing layer (5) is a heat-shrinkable tube, the length of the fixing layer (5) is not larger than that of the fire-resistant layer (4), a binding tape (6) is arranged on the outer side of the fixing layer (5), a protective layer (7) is wrapped on the outer side of the insertion spring plastic shell (3), the protective layer (7) is the fire-resistant felt, a protective layer (8) is arranged on the outer wall of the protective layer (7), the protective layer (8) is the heat-shrinkable tube, the length of the protective layer (7) and the length of the protective layer (8) are not smaller than two times of the length of the insertion spring plastic shell (3), intermediate terminals (9) are installed at the joints of the two ends of the electric wire (1), the spring inserting plastic shell is characterized in that the left side and the right side of one end, close to a fire-resistant layer (4), of the spring inserting plastic shell (3) are symmetrically and fixedly connected with stress rings (10), anti-stretching lines (11) are fixedly connected between the two stress rings (10) on the left side and between the two stress rings (10) on the right side, and the anti-stretching lines (11) are non-metal lines.

2. The connecting wire for an odor sensor according to claim 1, wherein: the number of the electric wires (1) is not less than three.

3. The connecting wire for an odor sensor according to claim 2, wherein: each plug spring terminal (2) is a plug spring terminal with self-locking.

4. A connecting wire for an odor sensor according to claim 3, wherein: each plug spring plastic shell (3) is a male head.

5. The connecting wire for an odor sensor according to claim 4, wherein: the mounting holes of the plug spring plastic shells (3) are not lower than four holes.

6. The connecting wire for an odor sensor according to claim 5, wherein: the type of the ribbon (6) is not less than 3 MM by 100 MM.

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