CN208224327U - A kind of spiral pressure test elastic connecting line - Google Patents

Abstract

The utility model relates to connecting line fields, specifically disclose a kind of spiral pressure test elastic connecting line, including helical spring cable；The both ends of the helical spring cable are respectively equipped with binding clip；The binding clip includes lower clamp and the upper clamp hinged with lower clamp；The upper clamp is equipped with the first conducting block and the second conducting block；The lower clamp is equipped with third conducting block and the 4th conducting block；The binding clip is equipped with the retaining mechanism for locking upper clamp and lower clamp.The utility model uses flexible helical spring cable and is substituted conventional without elastic pressure test connecting line, so that the connecting line is convenient for arranging in use, it will not occur to tangle and knock between each section to mix, in addition, the terminal that four conducting blocks and Withstand test device are arranged is attached, and can prevent the fracture of the terminal of test.

Description

A kind of spiral pressure test elastic connecting line

Technical field

The utility model relates to connecting line technical fields, and in particular to a kind of spiral pressure test elastic connecting line.

Background technique

In pressure test case, need to be attached by the terminal of connecting line and pressure test case all parts, and mesh Preceding pressure test connecting line is inelastic connecting line, when this connecting line is used in pressure test case, each portion of connecting line Split pole easily mutually tangles, knocks and mix, interfere device action.

Summary of the invention

The purpose of this utility model is to provide a kind of screw type pressure test for above-mentioned deficiency in the prior art Elastic connecting line.

The purpose of this utility model is achieved through the following technical solutions: a kind of spiral pressure test elastic connecting line, packet Include helical spring cable；The both ends of the helical spring cable are respectively equipped with binding clip；

The binding clip includes lower clamp and the upper clamp hinged with lower clamp；The upper clamp is equipped with the first conducting block And second conducting block；The lower clamp is equipped with third conducting block and the 4th conducting block；First conducting block, the second conduction Block, third conducting block and the 4th conducting block are electrically connected with helical spring cable；

There is gap between first conducting block and the second conducting block；Have between the third conducting block and the 4th conducting block Gap；When binding clip closure, first conducting block, the second conducting block, third conducting block and the 4th conducting block are formed with Circular clamping station；

The binding clip is equipped with the retaining mechanism for locking upper clamp and lower clamp.

The utility model is further arranged to, and the retaining mechanism includes stud, the nut cooperated with stud and is set to The through-hole of upper clamp；One end of the stud and lower clamp are hinged；The stud is connect after passing through through-hole with nut.

The utility model is further arranged to, and the upper clamp and lower fixture block are equipped with insulating layer.

The utility model is further arranged to, the helical spring cable in be vortexed circle around；From the one of helical spring cable It holds to the other end of helical spring cable, each circle diameter size of the helical spring cable changes linearly.

The utility model is further arranged to, and the helical spring cable includes inner core；The inner core is coated with First screen layer；Secondary shielding layer is surrounded with outside the first screen layer；It is set between the first screen layer and secondary shielding layer It is equipped with nylon yarn, the gap between the first screen layer and secondary shielding layer is filled with filled layer；The secondary shielding layer Be coated with sheath.

The utility model is further arranged to, and the sheath includes elastomer layer and is wrapped in the glimmering of elastomer layer surface Photosphere；The fluorescence coating is wrapped in the surface of secondary shielding layer.

The utility model has the beneficial effects that the utility model, which uses flexible helical spring cable, is substituted tradition Do not have flexible pressure test connecting line so that the connecting line is convenient for arranging in use, will not occur each section it Between tangle and knock and mix, in addition, the terminal of four conducting blocks of setting and Withstand test device is attached, the end of test can be prevented The fracture of son.

Detailed description of the invention

Utility model is described further using attached drawing, but the embodiment in attached drawing does not constitute and appoints to the utility model What is limited, for those of ordinary skill in the art, without creative efforts, can also be according to the following drawings Obtain other attached drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model binding clip；

Fig. 3 is the sectional view of the utility model helical spring cable；

Description of symbols of the Fig. 1 into Fig. 3:

1- helical spring cable；2- binding clip；21- upper clamp；22- lower clamp；23- insulating layer；The first conducting block of 31-； The second conducting block of 32-；33- third conducting block；The 4th conducting block of 34-；41- stud；42- nut；5- inner core；61- first is shielded Layer；62- secondary shielding layer；7- nylon yarn；8- filled layer；91- elastomer layer；92- fluorescence coating；111- terminal.

Specific embodiment

The utility model is further described with the following Examples.

From Fig. 1 and Fig. 2；A kind of spiral pressure test elastic connecting line described in the present embodiment, including spiral bullet Spring cable 1；The both ends of the helical spring cable 1 are respectively equipped with binding clip 2；

The binding clip 2 includes lower clamp 22 and the upper clamp 21 hinged with lower clamp 22；The upper clamp 21 is equipped with First conducting block 31 and the second conducting block 32；The lower clamp 22 is equipped with third conducting block 33 and the 4th conducting block 34；Institute The first conducting block 31, the second conducting block 32, third conducting block 33 and the 4th conducting block 34 is stated to be electrically connected with helical spring cable 1 It connects；

There is gap between first conducting block 31 and the second conducting block 32；The third conducting block 33 and the 4th conducting block There is gap between 34；When binding clip 2 is closed, first conducting block 31, the second conducting block 32, third conducting block 33 and the Four conducting blocks 34 are formed with circular clamping station；

The binding clip 2 is equipped with the retaining mechanism for locking upper clamp 21 Yu lower clamp 22.

Specifically, connecting line described in the present embodiment is substituted traditional using flexible helical spring cable 1 Do not have flexible pressure test connecting line, so that the connecting line is convenient for arranging in use, will not occur between each section It tangles and knocks and mix；

In addition, the teeth of traditional binding clip 2 are more sharp, it is excessive so that corresponding line or end to be easy to appear curable grip Son 111 is cut, and the present embodiment is attached by the terminal 111 of four conducting blocks of setting and Withstand test device, is compared and biography The cross sectional shape of the binding clip 2 of system, four conducting blocks of the present embodiment is semicircle, can prevent the fracture of terminal 111, in addition lead to The terminal 111 of Withstand test device and the connection of binding clip 2 can further be consolidated by crossing setting retaining mechanism.

As shown in Fig. 2, a kind of spiral pressure test elastic connecting line, the retaining mechanism described in the present embodiment include Stud 41, the nut 42 cooperated with stud 41 and the through-hole set on upper clamp 21；One end of the stud 41 and lower clamp 22 Hingedly；The stud 41 is connect after passing through through-hole with nut 42.

After the terminal 111 of binding clip 2 and Withstand test device clamps, by the way that nut 42 is locked stud 41, it can Complete upper clamp 21 and locking of the lower clamp 22 to the terminal 111 of Withstand test device.

A kind of spiral pressure test elastic connecting line, the upper clamp 21 described in the present embodiment are equipped with lower fixture block Insulating layer 23.By the way that insulating layer 23 is arranged, it can prevent user from getting an electric shock.

A kind of spiral pressure test elastic connecting line described in the present embodiment, the helical spring cable 1 is in the circle that is vortexed Around；From one end of helical spring cable 1 to the other end of helical spring cable 1, each circle diameter size of the helical spring cable 1 It changes linearly.

By above-mentioned setting, enabling to can be more light in line taking, and in helical spring 1 return of cable, also More rapidly.

As shown in figure 3, a kind of spiral pressure test elastic connecting line, the helical spring cable described in the present embodiment 1 includes inner core 5；The inner core 5 is coated with first screen layer 61；Secondary shielding is surrounded with outside the first screen layer 61 Layer 62；Nylon yarn 7, the first screen layer 61 and the second screen are provided between the first screen layer 61 and secondary shielding layer 62 The gap between layer 62 is covered filled with filled layer 8；The secondary shielding layer 62 is coated with sheath.

The present embodiment enhances the tension of helical spring cable 1 by joined nylon yarn 7 in helical spring cable 1 Property, in addition, making shield effectiveness more preferably by the method for setting double layer screen.

A kind of spiral pressure test elastic connecting line described in the present embodiment, the sheath include elastomer layer 91 and It is wrapped in the fluorescence coating 92 on 91 surface of elastomer layer；The fluorescence coating 92 is wrapped in the surface of secondary shielding layer 62.

The present embodiment can observe the position of connecting line by setting fluorescence coating 92 convenient for user in dark environment.

Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this The spirit and scope of utility model technical solution.

Claims (6)

1. a kind of spiral pressure test elastic connecting line, it is characterised in that: including helical spring cable (1)；The spiral bullet The both ends of spring cable (1) are respectively equipped with binding clip (2)；

The binding clip (2) includes lower clamp (22) and the upper clamp (21) hinged with lower clamp (22)；The upper clamp (21) the first conducting block (31) and the second conducting block (32) are equipped with；The lower clamp (22) be equipped with third conducting block (33) and 4th conducting block (34)；First conducting block (31), the second conducting block (32), third conducting block (33) and the 4th conducting block (34) it is electrically connected with helical spring cable (1)；

There is gap between first conducting block (31) and the second conducting block (32)；The third conducting block (33) is conductive with the 4th Block has gap between (34)；When binding clip (2) closure, first conducting block (31), the second conducting block (32), third are conductive Block (33) and the 4th conducting block (34) are formed with circular clamping station；

The binding clip (2) is equipped with the retaining mechanism for locking upper clamp (21) Yu lower clamp (22).

2. a kind of spiral pressure test elastic connecting line according to claim 1, it is characterised in that: the retaining mechanism Including stud (41), with the nut (42) of stud (41) cooperation and set on the through-hole of upper clamp (21)；The stud (41) One end and lower clamp (22) are hinged；The stud (41) connect after passing through through-hole with nut (42).

3. a kind of spiral pressure test elastic connecting line according to claim 1, it is characterised in that: the upper clamp (21) insulating layer (23) are equipped with lower fixture block.

4. a kind of spiral pressure test elastic connecting line according to claim 1, it is characterised in that: the helical spring Cable (1) in be vortexed circle around；The other end from one end of helical spring cable (1) to helical spring cable (1), the spiral bullet Each circle diameter size of spring cable (1) changes linearly.

5. a kind of spiral pressure test elastic connecting line according to claim 1, it is characterised in that: the helical spring Cable (1) includes inner core (5)；The inner core (5) is coated with first screen layer (61)；The first screen layer (61) is outside It is surrounded with secondary shielding layer (62)；Nylon yarn (7), institute are provided between the first screen layer (61) and secondary shielding layer (62) The gap between first screen layer (61) and secondary shielding layer (62) is stated filled with filled layer (8)；The secondary shielding layer (62) be coated with sheath.

6. a kind of spiral pressure test elastic connecting line according to claim 5, it is characterised in that: the sheath includes Elastomer layer (91) and the fluorescence coating (92) for being wrapped in elastomer layer (91) surface；The fluorescence coating (92) is wrapped in the second screen Cover the surface of layer (62).