CN215498226U

CN215498226U - Novel waterproof intermediate head of cable

Info

Publication number: CN215498226U
Application number: CN202121988244.7U
Authority: CN
Inventors: 泮登冬; 徐晓彤; 泮新玲; 孟庆辉; 张可强
Original assignee: Shandong Changyuan Zhilian Power Technology Co ltd
Current assignee: Shandong Changyuan Zhilian Power Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-11
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a novel waterproof intermediate joint for a cable, and relates to the field of cable connection. The technical key points are as follows: including the safety cover, the safety cover is half arc cover and half arc cover of second respectively, equal first mounting bar of fixedly connected with on the half arc cover lateral wall of first, equal fixedly connected with second mounting bar on the half arc cover lateral wall of second, the L shape groove has all been seted up to first mounting bar and second mounting bar, the interpolation of L shape inslot is equipped with the U-shaped board, U-shaped board opening direction is along keeping away from safety cover one side, first mounting bar and second mounting bar both ends all with be equipped with the clearance between the safety cover, the seal cover is all established to first mounting bar and second mounting bar both ends cover, the safety cover both ends all are equipped with the connector, the connector cover is equipped with the cable. The utility model has the advantages that: utilize the connection of U-shaped plate, the installation of the protective housing that both can be convenient for reduces the bolt and uses to the gap of being connected between the first mounting bar of U-shaped plate separation and the second mounting bar is utilized simultaneously in the later stage of being convenient for dismantlement maintenance, promotes waterproof performance.

Description

Novel waterproof intermediate head of cable

Technical Field

The utility model relates to the technical field of cable connection, in particular to a novel waterproof intermediate joint for a cable.

Background

With the continuous improvement of urban development planning requirements and industrial automation degree, electric energy gradually becomes a main power source for production and life in the present society, and the cleanness and the high efficiency of electric energy bring great convenience to people. Because the power supply volume is very big, the power supply distance is long, voltage rising is along with factors such as cable must be thickened, the more and more earth cable laying of power supply replaces overhead line gradually at present, when power supply volume and voltage grade satisfy the requirement, the problem also follows in to, because earth cable laying lays in the environment of tunnel or direct buried cable mostly, all has more or less bubble water phenomenon, leads to having many intermediate connectors now and explodes the head trouble because of waterproof failure appearance.

The above prior art solution has the following drawbacks: the existing intermediate joint is mostly connected through bolts, however, after the existing intermediate joint is corroded by water for a long time, the bolt connection part is easy to rust, and the intermediate joint is not easy to overhaul.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a novel waterproof intermediate joint for a cable, which has the advantages that: the U-shaped plate is connected with the L-shaped grooves on the first mounting strip and the second mounting strip, so that the quick connection between the first semi-arc cover and the second semi-arc cover can be met, a large number of bolts are not required to be used for connecting the U-shaped plate, the influence of water corrosion on the connection effect is reduced, the U-shaped plate is convenient to disassemble in later maintenance, and meanwhile, due to the fact that the U-shaped plate faces outwards, when water seeps from the contact surfaces of the first mounting strip and the second mounting strip, the U-shaped plate can be used for blocking, and therefore the waterproof performance of the protective cover is improved; the arranged sealing sleeves can seal the end parts of the first mounting bar and the second mounting bar; the arranged connector can facilitate the installation of the cable; the integral realization structure is simple, the U-shaped plate is skillfully utilized, and the waterproof performance is good.

The above object of the present invention is achieved by the following technical solutions:

a novel waterproof cable intermediate joint comprises a protective cover, wherein the protective cover is respectively provided with a first half arc cover and a second half arc cover, the side wall of the first half arc cover along the length direction is fixedly connected with a first mounting strip, the side wall of the second half arc cover along the length direction is fixedly connected with a second mounting strip, one side, close to each other, of each first mounting strip and the second mounting strip is provided with an L-shaped groove, a U-shaped plate is inserted in the L-shaped groove, the opening direction of the U-shaped plate is far away from one side of the protective cover, the U-shaped plate is in sliding connection with the L-shaped groove, gaps are arranged between the two ends, close to one side of the protective cover, of each first mounting strip and the two ends of each second mounting strip, seal sleeves are sleeved at the two ends of each first mounting strip and the two ends of each second mounting strip, and the seal sleeves are in threaded connection with the first mounting strip and the second mounting strip, the safety cover both ends all are equipped with the connector, the connector cover is equipped with the cable.

By adopting the technical scheme, the arranged U-shaped plate is connected with the L-shaped grooves on the first mounting strip and the second mounting strip, so that the quick connection between the first semi-arc cover and the second semi-arc cover can be met, a large number of bolts are not required to be used for connecting the first semi-arc cover and the second semi-arc cover, the influence of water corrosion on the connection effect is reduced, the disassembly is convenient during later maintenance, and meanwhile, because the U-shaped plate faces outwards, when the water seepage occurs on the contact surfaces of the first mounting strip and the second mounting strip, the U-shaped plate can be used for blocking, so that the waterproof performance of the protective cover is improved; the arranged sealing sleeves can seal the end parts of the first mounting bar and the second mounting bar; the arranged connector can facilitate the installation of the cable; the integral realization structure is simple, the U-shaped plate is skillfully utilized, and the waterproof performance is good.

The present invention in a preferred example may be further configured to: the connecting head is provided with an annular groove, the inner side walls at two ends of the first half arc cover and the second half arc cover are fixedly connected with sealing plates, and the sealing plates are attached to the inner wall of the annular groove.

Through adopting above-mentioned technical scheme, the closing plate of setting can be convenient for be connected between connector and the safety cover, and the ring channel of setting can promote the connection effect between connector and the closing plate, reaches the purpose that promotes waterproof performance.

The present invention in a preferred example may be further configured to: the connector cover is equipped with first sealing washer, first sealing washer laminate in the safety cover inner wall sets up.

Through adopting above-mentioned technical scheme, the first sealing washer of setting can play the separation effect to the junction of closing plate and connector, promotes the waterproof performance of this joint.

The present invention in a preferred example may be further configured to: the connector keeps away from safety cover one side fixedly connected with elastic sleeve, elastic sleeve cover is located the cable sets up, elastic sleeve has seted up a plurality of grooves that run through, and is a plurality of run through the groove interval and set up, the elastic sleeve inner wall is equipped with the second sealing washer, the second sealing washer laminate in cable week side sets up, elastic sleeve cover is equipped with the clamp.

Through adopting above-mentioned technical scheme, the elastic sleeve that sets up, run through mutually supporting between groove and the clamp, can utilize the clamp to tighten up the elastic sleeve for elastic sleeve and second sealing washer are closely laminated with the cable surface, strengthen water-proof effects, simultaneously because the compactness of connecting, can reduce to draw and drag the cable and cause the cable to shift, thereby influence waterproof performance's possibility.

The present invention in a preferred example may be further configured to: the clamp includes first arc and second arc, first arc with the second arc all laminate in the elastic sleeve sets up, first arc with second arc one end is articulated each other, first arc with the equal fixedly connected with fixed plate of the second arc other end, run through on the fixed plate and be equipped with the bolt, the fixed plate with bolt threaded connection.

Through adopting above-mentioned technical scheme, mutually supporting between the first arc, second arc, fixed plate and the bolt that set up can apply certain pressure to the elastic sleeve to make the contact on elastic sleeve and cable surface inseparabler, when reinforcing waterproof performance, can reduce to draw and draw the cable to cause the cable to shift, thereby influence waterproof performance's possibility.

The present invention in a preferred example may be further configured to: the two ends of the U-shaped plate are fixedly connected with sealing strips, and the sealing strips are attached to the inner wall of the L-shaped groove.

Through adopting above-mentioned technical scheme, the sealing strip that sets up can further play the separation effect, promotes intermediate head's waterproof performance.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. the U-shaped plate is connected with the L-shaped grooves on the first mounting strip and the second mounting strip, so that the quick connection between the first semi-arc cover and the second semi-arc cover can be met, a large number of bolts are not required to be used for connecting the first semi-arc cover and the second semi-arc cover, the influence of water corrosion on the connection effect is reduced, the disassembly during later maintenance is facilitated, and meanwhile, due to the fact that the U-shaped plate faces outwards, when water seeps from the contact surfaces of the first mounting strip and the second mounting strip, the U-shaped plate can be used for blocking, and therefore the waterproof performance of the protective cover is improved; the arranged sealing sleeves can seal the end parts of the first mounting bar and the second mounting bar; the arranged connector can facilitate the installation of the cable; the integral realization structure is simple, the U-shaped plate is skillfully utilized, and the waterproof performance is good;

2. the connection between the connector and the protective cover can be facilitated through the arranged sealing plate, and the arranged annular groove can improve the connection effect between the connector and the sealing plate, so that the aim of improving the waterproof performance is fulfilled;

3. through mutually supporting between the elastic sleeve that sets up, run through groove and the clamp, can utilize the clamp to tighten up the elastic sleeve for elastic sleeve and second sealing washer closely laminate with the cable surface, reinforcing water-proof effects, because the compactness of connecting can reduce simultaneously and drag the cable and cause the cable to shift, thereby influence waterproof performance's possibility.

Drawings

FIG. 1 is a first perspective structural view of the present invention;

FIG. 2 is a second perspective cut-away view of the present invention;

fig. 3 is an enlarged view at a in fig. 2.

Reference numerals: 1. a protective cover; 2. a first half-arc shield; 3. a second half arc shield; 4. a first mounting bar; 5. a second mounting bar; 6. an L-shaped slot; 7. a U-shaped plate; 8. sealing sleeves; 9. a connector; 10. a cable; 11. an annular groove; 12. a sealing plate; 13. a first seal ring; 14. an elastic sleeve; 15. a through groove; 16. a second seal ring; 17. clamping a hoop; 171. a first arc-shaped plate; 172. a second arc-shaped plate; 173. a fixing plate; 174. a bolt; 18. a sealing strip.

Detailed Description

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

As shown in fig. 1 and 2, the novel waterproof intermediate joint for cables disclosed by the utility model comprises a protective cover 1, wherein the protective cover 1 is respectively provided with a first half arc cover 2 and a second half arc cover 3, the side wall of the first half arc cover 2 along the length direction is fixedly connected with a first mounting strip 4, the side wall of the second half arc cover 3 along the length direction is fixedly connected with a second mounting strip 5, the side, close to each other, of each first mounting strip 4 and the second mounting strip 5 is respectively provided with an L-shaped groove 6, a U-shaped plate 7 is inserted in each L-shaped groove 6, the opening direction of each U-shaped plate 7 is along the side far away from the protective cover 1, each U-shaped plate 7 is in sliding connection with each L-shaped groove 6, each U-shaped plate 7 is connected with each L-shaped groove 6 on each first mounting strip 4 and each second mounting strip 5, so that the quick connection between the first half arc cover 2 and the second half arc cover 3 can be satisfied without using a large number of bolts 174 to connect the first half arc cover and reduce the influence of water corrosion on the connection effect, the protective cover is convenient to detach during later maintenance, meanwhile, due to the outward orientation of the U-shaped plate 7, when the contact surface of the first mounting strip 4 and the second mounting strip 5 is seeped water, the waterproof performance of the protective cover 1 is improved through the separation of the U-shaped plate 7, gaps are formed between the two ends of one side, close to the protective cover 1, of the first mounting strip 4 and the second mounting strip 5 and the protective cover 1, the gaps can facilitate the installation of the sealing sleeves 8, the sealing sleeves 8 are sleeved at the two ends of the first mounting strip 4 and the second mounting strip 5, the sealing sleeves 8 are made of rubber materials, the sealing sleeves can seal the end parts of the first mounting strip 4 and the second mounting strip 5, the sealing sleeves 8 are in threaded connection with the first mounting strip 4 and the second mounting strip 5, the two ends of the first mounting strip 4 and the second mounting strip 5 are in semi-arc arrangement, the sealing sleeves 8 are convenient to twist, and connect the two ends of the protective cover 1 are sleeved with connectors 9, the connector 9 is sleeved with a cable 10, and the connector 9 can facilitate installation of the cable 10.

As shown in fig. 2 and 3, the annular groove 11 has been seted up on the connector 9, the annular groove 11 of setting can promote the connection effect between connector 9 and the closing plate 12, reach the purpose that promotes waterproof performance, the equal fixedly connected with closing plate 12 of the inside wall at first half arc cover 2 and the half arc cover 3 both ends of second, closing plate 12 can be convenient for be connected between connector 9 and the safety cover 1, closing plate 12 laminates in the setting of annular groove 11 inner wall.

As shown in fig. 2 and 3, the connector 9 is sleeved with a first sealing ring 13, the first sealing ring 13 can play a role in separating the joint of the sealing plate 12 and the connector 9, the waterproof performance of the connector is improved, and the first sealing ring 13 is attached to the inner wall of the protective cover 1.

As shown in fig. 1 and fig. 2, the connector 9 is far from the elastic sleeve 14 of the fixed connection of the protection cover 1, the elastic sleeve 14 is sleeved on the cable 10, the elastic sleeve 14 is provided with a plurality of through grooves 15, as shown in fig. 3, the through grooves 15 are not required in number, it is sufficient to provide a space margin for the deformation of the elastic sleeve 14, the through grooves 15 are arranged at intervals, the inner side wall of the elastic sleeve 14 is provided with a second sealing ring 16, the second sealing ring 16 is attached to the periphery of the cable 10, the elastic sleeve 14 is sleeved with a clamp 17, the clamp 17 can be utilized to tighten the elastic sleeve 14, so that the elastic sleeve 14 and the second sealing ring 16 are closely attached to the surface of the cable 10, the waterproof effect is enhanced, meanwhile, because of the tightness of the connection, the displacement of the cable 10 caused by pulling can be reduced, and the possibility of affecting the waterproof performance can be reduced.

As shown in fig. 1 and 3, the clamp 17 includes a first arc plate 171 and a second arc plate 172, the first arc plate 171 and the second arc plate 172 are both attached to the elastic sleeve 14, and can apply a certain pressure to the elastic sleeve 14, so that the elastic sleeve 14 is in closer contact with the surface of the cable 10, and when the waterproof performance is enhanced, the possibility of pulling the cable 10 to cause displacement of the cable 10 can be reduced, thereby affecting the waterproof performance, one end of the first arc plate 171 and one end of the second arc plate 172 are hinged to each other, the other end of the first arc plate 171 and the other end of the second arc plate 172 are both fixedly connected with a fixing plate 173, a bolt 174 penetrates through the fixing plate 173, and the fixing plate 173 is in threaded connection with the bolt 174.

As shown in figure 1, the two ends of the U-shaped plate 7 are fixedly connected with sealing strips 18, the arranged sealing strips 18 can further play a role in blocking, the waterproof performance of the intermediate joint is improved, and the sealing strips 18 are attached to the inner wall of the L-shaped groove 6.

The implementation principle of the embodiment is as follows: during the use, at first locate the cable 10 with the connector 9 cover, then accomplish the connection of two cables 10, locate the connector 9 with first arc cover and second arc cover respectively again, laminate closing plate 12 in the ring channel 11 setting on the connector 9, can slide U-shaped plate 7 into the L-shaped groove 6 inside first mounting bar 4 and second mounting bar 5 this moment, again overlap sealing sleeve 8 on first closing plate 12 and second closing plate 12, twist sealing sleeve 8, be connected sealing sleeve 8 with first closing plate 12 and second closing plate 12 through threaded connection, again overlap clamp 17 on the elastic plate, connect fixed plate 173 through bolt 174, tighten up the elastic plate through clamp 17, accomplish the connection between elastic sleeve 14 and cable 10.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a novel waterproof intermediate head of cable, includes safety cover (1), its characterized in that: the protective cover (1) is respectively provided with a first half arc cover (2) and a second half arc cover (3), the first half arc cover (2) is fixedly connected with a first mounting bar (4) on the side wall along the length direction, the second half arc cover (3) is fixedly connected with a second mounting bar (5) on the side wall along the length direction, the first mounting bar (4) and the second mounting bar (5) are mutually close to one side and are respectively provided with an L-shaped groove (6), a U-shaped plate (7) is inserted in the L-shaped groove (6), the opening direction of the U-shaped plate (7) is far away from one side of the protective cover (1), the U-shaped plate (7) is slidably connected with the L-shaped groove (6), the first mounting bar (4) and the second mounting bar (5) are close to the two ends on one side of the protective cover (1) and are respectively provided with a gap between the protective cover (1), and the sealing sleeves (8) are respectively arranged at the two ends of the first mounting bar (4) and the second mounting bar (5), and seal cover (8) with first mounting bar (4) and the equal threaded connection of second mounting bar (5), safety cover (1) both ends all are equipped with connector (9), connector (9) cover is equipped with cable (10).

2. The novel waterproof intermediate joint for cables as claimed in claim 1, wherein: the connector (9) is provided with an annular groove (11), the first half arc cover (2) and the sealing plates (12) are fixedly connected to the inner side walls of the two ends of the second half arc cover (3), and the sealing plates (12) are attached to the inner wall of the annular groove (11).

3. The novel waterproof intermediate joint for cables as claimed in claim 1, wherein: connector (9) cover is equipped with first sealing washer (13), first sealing washer (13) laminate in safety cover (1) inner wall sets up.

4. The novel waterproof intermediate joint for cables as claimed in claim 1, wherein: keep away from connector (9) safety cover (1) one side fixed connection has elastic sleeve (14), elastic sleeve (14) cover is located cable (10) set up, a plurality of groove (15) that run through have been seted up in elastic sleeve (14), and are a plurality of run through groove (15) interval setting, elastic sleeve (14) inside wall is equipped with second sealing washer (16), second sealing washer (16) laminate in cable (10) week side sets up, elastic sleeve (14) cover is equipped with clamp (17).

5. The novel waterproof intermediate joint for cables as claimed in claim 4, wherein: clamp (17) include first arc (171) and second arc (172), first arc (171) with second arc (172) all laminate in elastic sleeve (14) sets up, first arc (171) with second arc (172) one end is articulated each other, first arc (171) with the equal fixedly connected with fixed plate (173) of second arc (172) other end, it is equipped with bolt (174) to run through on fixed plate (173), fixed plate (173) with bolt (174) threaded connection.

6. The novel waterproof intermediate joint for cables as claimed in claim 1, wherein: the sealing strip (18) is fixedly connected to two ends of the U-shaped plate (7), and the sealing strip (18) is attached to the inner wall of the L-shaped groove (6).