CN214543438U

CN214543438U - Electric power engineering pipeline

Info

Publication number: CN214543438U
Application number: CN202120673980.7U
Authority: CN
Inventors: 赵天宝; 杜宝龙; 聂凡帅
Original assignee: Beijing Zhongke Zhongdian Power Engineering Management Co ltd
Current assignee: Beijing Zhongke Zhongdian Power Engineering Management Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-29
Anticipated expiration: 2031-04-01

Abstract

The utility model relates to an electric power engineering pipeline, it includes the pipeline body and fixes the setting the grafting section at pipeline body both ends with accept the section, it is adjacent the grafting section of pipeline body with accept the section fixed cooperation of pegging graft, it includes barrel portion and circular cone portion to accept the section, barrel portion and the coaxial setting of circular cone portion, it is in to accept the section cooperation of pegging graft in barrel portion, install seal assembly on the pipeline body, seal assembly includes coaxial the fixing the sealing ring of barrel portion tip, the cover is equipped with the messenger on the grafting section the sealing ring with accept the extrusion cylinder of the sealed butt of section lateral wall. The application has the effects of good sealing performance and water seepage prevention.

Description

Electric power engineering pipeline

Technical Field

The application relates to the technical field of electric power engineering pipelines, in particular to an electric power engineering pipeline.

Background

With the continuous development of cities, the supporting facilities of the cities are gradually improved, for example, the construction of underground power networks is rapidly developed. Compared with pipelines for water supply and drainage, fuel gas and the like, the electric power engineering pipeline has higher requirements on the aspects of electric transmission safety, resident safety and the like due to the particularity, once the pipeline is structurally deformed and has poor sealing performance or a cable in the pipeline is damaged, serious safety accidents are easy to happen, and the property and the external safety of people are damaged.

Chinese patent of grant bulletin No. CN211790681U discloses an electric power engineering pipeline, it includes a plurality of pipeline main body, every pipeline main body is all including grafting sleeve and two matching sleeve, the spliced eye has been seted up to every grafting telescopic inner chamber, and the radial lateral wall symmetry of inner chamber of every spliced eye has seted up the spacing draw-in groove of two rectangles, two matching sleeve of every pipeline main body slide respectively and peg graft at every grafting telescopic spliced eye inner chamber, two matching telescopic outer wall symmetries of every pipeline main body are equipped with two rectangle sliders, when needing to overhaul, extract matching telescopic matching connector and butt joint telescopic inner chamber, make matching sleeve slide along grafting telescopic spliced eye inner chamber, can expose the cable.

In view of the above-mentioned related art, the inventor believes that the sealing performance at the above-mentioned power pipeline connection is poor, and accumulated water is liable to leak into the pipeline to cause a danger.

SUMMERY OF THE UTILITY MODEL

In order to improve the connection leakproofness of pipeline, this application provides an electric power engineering pipeline.

The application provides a power engineering pipeline adopts following technical scheme:

the utility model provides an electric power engineering pipeline, is in including pipeline body and fixed setting the grafting section at pipeline body both ends with accept the section, adjacent the grafting section of pipeline body with accept the section fixed coordination of pegging graft, it includes drum portion and circular cone portion to accept the section, drum portion and the coaxial setting of circular cone portion, it is in to accept the section cooperation of pegging graft in the drum portion, install seal assembly on the pipeline body, seal assembly includes coaxial the fixing the sealing ring of drum portion tip, the cover is equipped with on the grafting section and makes the sealing ring with accept the recipient of the sealed butt of section lateral wall.

By adopting the technical scheme, when in use, the pipeline bodies are coaxially arranged, the splicing sections of the adjacent pipeline bodies correspond to the bearing sections, and then the splicing sections are spliced in the bearing sections of the adjacent pipeline bodies to form the cable duct bank; the sealed butt of the sealed lateral wall of the interior anchor ring of recipient's section of recipient messenger's sealing ring, the sealing ring with the water separation, reduce ponding or rainwater and get into this internal probability of pipeline from the gap between recipient's section and the grafting section, play the guard action to this internal cable of pipeline, its sealing performance is better, safe and reliable.

Optionally, the extrusion container is screwed on the cylindrical part, and the extrusion container extrudes and locks the sealing ring.

By adopting the technical scheme, the extrusion container is in threaded connection with the cylindrical part and can move in the axial direction, and extrusion force is generated on the sealing ring, so that the sealing ring can tighten and seal to play a good sealing role.

Optionally, the extrusion container includes a threaded portion and an extrusion portion, the threaded portion is in threaded fit with the cylindrical portion, a portion of the extrusion portion, which faces the sealing ring, is provided with an inner tapered structure, and the extrusion portion is in extrusion fit with the sealing ring.

Through adopting above-mentioned technical scheme, rotatory recipient, screw thread portion drive extrusion portion removes, and the interior toper structure of extrusion portion produces towards axial extrusion force to the sealing ring.

Optionally, one end of the sealing ring, which faces away from the cylindrical portion, is provided with a guide inclined surface adapted to the extruding portion.

Through adopting above-mentioned technical scheme, the direction inclined plane makes the sealing ring tighten up more easily with the interior toper structure looks adaptation of extrusion portion, also plays the effect of guide simultaneously.

Optionally, the fixed sealing portion that is provided with on the interior anchor ring of sealing ring, the sealing portion is the loop configuration, just the sealing portion with the sealing ring is coaxial, the sealing portion sets up towards the grafting section arch, just the sealing portion deviate from the top surface of sealing ring with grafting section lateral wall clearance fit, the sealing portion is made by flexible material.

Through adopting above-mentioned technical scheme, extrusion portion produces the squeezing action to the sealing ring, and sealing ring and grafting section extrude sealing portion, and the sealing portion is made by flexible material, can take place elastic deformation, causes contact pressure on the contact surface, has further improved sealing performance.

Optionally, the width of the sealing portion in the axial direction increases first and then decreases.

Through adopting above-mentioned technical scheme, when the sealing takes place elastic deformation, such structure of sealing can play the effect of stepping down, improves the deformation volume of sealing, increases the area of contact between sealing and the grafting section.

Optionally, the sealing ring deviates from the one end of accepting the section is coaxial fixed and is provided with the tighrening ring, the fixed a plurality of annular archs that are provided with on the interior anchor ring's the inner ring face, the joint groove has been seted up on the lateral wall of grafting section, be provided with extrusion locking on the extrusion portion the plane of extrusion of tighrening ring.

By adopting the technical scheme, the extrusion part generates inward extrusion force on the fastening ring, the annular bulge on the fastening ring is clamped and matched in the clamping groove under the extrusion action, and the plugging section can generate abutting force in the axis direction to limit the movement of the plugging section, so that the plugging section and the bearing section are not easy to dislocate and slide, and the sealing performance is ensured.

Optionally, a plurality of the annular protrusions are uniformly spaced along the axial direction of the fastening ring.

By adopting the technical scheme, the stress can be dispersed by the annular protrusions, and the probability of breakage and damage of the annular protrusions caused by stress concentration is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the extrusion cylinder is in extrusion locking fit with the sealing ring, so that the sealing performance between the splicing section and the receiving section is improved, and the probability of seeper leaking into the pipeline body is reduced;

2. the sealing part generates elastic deformation, so that the sealing contact area is increased, and the sealing performance of the sealing ring is further improved;

3. through the cooperation of tighrening ring and grafting section joint, improve the connection stability between the adjacent pipeline body.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.

Fig. 2 is a diagram illustrating a connection structure of the male section and the female section according to an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a seal assembly according to an embodiment of the present application.

Fig. 5 is a schematic structural view showing a seal portion in the second embodiment of the present application.

Description of reference numerals: 1. a pipe body; 11. a main body section; 12. a plug section; 13. a receiving section; 131. a conical section; 132. a cylindrical portion; 14. a clamping groove; 2. a seal assembly; 21. an extrusion cylinder; 211. a threaded portion; 212. a pressing section; 213. extruding surface; 22. a seal ring; 23. a sealing part; 24. a guide slope; 25. a fastening ring; 26. an annular projection; 27. a guide surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The first embodiment is as follows:

the embodiment discloses an electric power engineering pipeline. The cable protector can be used for power engineering construction and can play a role in protecting power cables. Referring to fig. 1 and 2, the electric power engineering pipeline includes pipeline body 1, and pipeline body 1 is cylindrical tubular structure, and when the construction, pipeline body 1 uses as the repetitive unit, and the electric power calandria is constituteed in the head and the tail concatenation each other, then uses pipe pillow and mount to fix the electric power calandria, wears to establish the cable in the calandria, can play fine guard action to the cable. For the convenience of construction and installation, the adjacent pipeline bodies 1 are fixed in an inserting mode, each pipeline body 1 comprises a main body section 11, an inserting section 12 and a bearing section 13, the inserting sections 12 and the bearing sections 13 are respectively and integrally fixed at two ends of the main body section 11, the inserting sections 12 and the bearing sections 13 are both cylindrical tubular structures, and the inserting sections 12 and the bearing sections 13 are both arranged coaxially with the main body section 11. The diameter of the plug section 12 is the same as that of the main body section 11, the diameter of the receiving section 13 is larger than that of the plug section 12, and the plug section 12 is in plug fit in the receiving section 13.

In addition, in order to improve the fixing effect and facilitate the construction operation, referring to fig. 2 and 3, the receiving section 13 includes a conical portion 131 and a cylindrical portion 132, the cylindrical portion 132 is a cylindrical structure, the conical portion 131 is a conical cylinder, a cross section of the conical portion 131 along a direction parallel to an axis of the conical portion 131 is a right trapezoid, one end of a conical bottom of the conical portion 131 is fixedly connected with one end of the cylindrical portion 132 integrally, one end of a conical top of the conical portion 131 is fixedly connected with one end of the main body section 11 integrally, an outer peripheral wall of the cylindrical portion 132 is flush with an outer peripheral wall of one end of the conical bottom of the conical portion 131, and an inner diameter of the conical portion 131 is the same as an inner diameter of the inserting section 12. In addition, the inner diameter of the cylindrical part 132 is larger than the outer diameter of the insertion section 12, so that an insertion cavity for accommodating the insertion section 12 is defined between the inner cylinder wall of the cylindrical part 132 and the conical bottom of the conical part 131, when the pipeline connecting device is used, the insertion section 12 is inserted into the cylindrical part 132, the end part of the insertion section 12 is abutted against the conical bottom of the conical part 131, and then two adjacent pipeline bodies 1 are inserted and fixed together, so that the pipeline connecting device is convenient and fast.

During the in-service use, pipeline body 1 can take place to warp after using for a long time, leads to the sealing performance variation between grafting section 12 and the drum portion 132, when meetting the circumstances such as urban waterlogging, electric power calandria piping lane ponding, in sewage can the seepage gets into pipeline body 1, endangers the power consumption safety. In order to solve the above problem, referring to fig. 2 and 4, the sealing assembly 2 is mounted on the pipe body 1, the sealing assembly 2 includes a container 21 and a sealing ring 22, the sealing ring 22 is a circular ring structure, the sealing ring 22 is coaxially welded and fixed to the free end of the cylindrical portion 132, and a gap is provided between an inner annular surface of the sealing ring 22 and an outer circumferential wall of the insertion section 12. The extrusion cylinder 21 is sleeved on the plugging section 12, the extrusion cylinder 21 comprises a threaded portion 211 and an extrusion portion 212, the threaded portion 211 is in threaded connection with the outer peripheral wall of the cylindrical portion 132, and the portion, facing the sealing ring 22, of the extrusion portion 212 is in an inner conical shape. And, the wall thickness of the end of the sealing ring 22 departing from the cylindrical portion 132 is gradually reduced, more specifically, the trend of the reduction is to gradually reduce along the axial direction of the sealing ring 22 towards the direction departing from the cylindrical portion 132, thereby, the end of the sealing ring 22 departing from the cylindrical portion 132 is formed with a guide inclined surface 24 matched with the inner conical structure of the extrusion portion 212, when in use, the rotary extrusion cylinder 21 moves along the axial direction of the cylindrical portion 132, the inner conical surface of the extrusion portion 212 generates inward extrusion force towards the guide inclined surface 24, and further the free end of the sealing ring 22 moves towards the outer side wall of the plug-in section 12 and is tightly sealed, so as to block rainwater or accumulated water, meanwhile, in order to enable the sealing ring 22 to deform and have certain toughness, the sealing ring 22 is made of polytetrafluoroethylene or polyethylene material.

Although the sealing ring 22 and the receiving section 13 can perform a certain sealing function by sealing and abutting, in order to further improve the sealing performance, referring to fig. 4, a sealing portion 23 is disposed on an inner annular surface of the sealing ring 22 close to the free end, the sealing portion 23 is of an annular structure, an outer annular surface of the sealing portion 23 is fixedly bonded to an inner annular surface of the sealing ring 22, the inner annular surface of the sealing portion 23 is in clearance fit with an outer annular surface of the receiving portion, in this embodiment, a cross section of the sealing portion 23 along the self axis direction is an isosceles trapezoid, and a width of the outer annular surface of the sealing portion 23 in the self axis direction is smaller than a width of the inner annular surface thereof in the self axis direction. The sealing portion 23 is made of a flexible material, and in this embodiment, the sealing portion 23 is made of rubber. When the pressing part 212 presses the sealing ring 22, the sealing part 23 is pressed by the inserting section 12 and the sealing ring 22 and elastically deforms, so that the sealing area is increased, and the sealing effect is improved.

After the pipeline body 1 is installed and connected, if temperature change or external force action occur, deformation can occur, and adverse effects can be generated on sealing performance. Referring to fig. 4, a fastening ring 25 is coaxially welded and fixed to one end of the sealing ring 22 away from the cylindrical portion 132, the fastening ring 25 is in a circular ring shape, a plurality of annular protrusions 26 are fixed to an inner ring surface of the fastening ring 25, the annular protrusions 26 are coaxial with the fastening ring 25, the annular protrusions 26 are evenly distributed at intervals along an axial direction of the fastening ring 25, and in addition, the annular protrusions 26 and the fastening ring 25 are made of the same material as the sealing ring 22. Annular bulge 26 is triangle-shaped along the cross section of perpendicular to self circumferencial direction, and annular bulge 26's top sets up towards accepting section 13, and annular bulge 26's top and the periphery wall clearance fit of grafting section 12, offer the joint groove 14 with annular bulge 26 looks adaptation on accepting section 13's the periphery wall. In addition, in order to provide the fastening ring 25 with a pressing force toward the receiving section 13, the outer peripheral wall of the free end of the fastening ring 25 is provided with a guide surface 27, the guide surface 27 is inclined in the same direction as the inclined guide surface 24, and the inner annular surface of the pressing portion 212 is provided with a pressing surface 213 matched with the guide surface 27, when the pressing barrel 21 is rotated, the pressing surface 213 presses the fastening ring 25 to move inwards, so that the annular protrusion 26 is clamped and matched in the clamping groove 14, the movement of the plugging section 12 in the axial direction is limited, and the deformation or the interference caused by an external force is resisted.

The implementation principle of the electric power engineering pipeline of the embodiment is as follows: when the pipe fitting is used, the inserting sections 12 and the receiving sections 13 of two adjacent pipe bodies 1 are inserted and fixed, then the extrusion barrel 21 is rotated, the extrusion part 212 of the extrusion barrel 21 generates inward extrusion force on the sealing ring 22 and the fastening ring 25, wherein the sealing part 23 on the sealing ring 22 is deformed by the extrusion force, the sealing area is increased, and the sealing performance is improved; the annular protrusion 26 on the fastening ring 25 is clamped in the clamping groove 14 under the action of the extrusion force, so that the structural stability of the bearing section 13 and the inserting section 12 is improved.

Example two:

the difference between the electric engineering pipeline of the present embodiment and the first embodiment is that: the cross section of the sealing portion 23 in the direction of its own axis is arcuate, the top of the arcuate profile in which the sealing portion 23 is located being disposed towards the plug section 12. The sealing portion 23 is made of a flexible material, and in this embodiment, the sealing portion 23 is made of rubber.

The implementation principle of the electric power engineering pipeline of the embodiment is as follows: when the pipe fitting is used, the inserting sections 12 of the two adjacent pipe bodies 1 are fixedly inserted into the receiving section 13, then the extruding cylinder 21 is rotated, the extruding part 212 of the extruding cylinder 21 generates inward extruding force on the sealing ring 22 and the fastening ring 25, wherein when the T-shaped structure of the sealing part 23 is extruded, the arc surface of the sealing part can play a yielding role, and the size and the sealing performance of the sealing contact surface are ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electric power engineering pipeline, is in including pipeline body (1) and fixed the grafting section (12) at pipeline body (1) both ends with accept section (13), adjacent grafting section (12) of pipeline body (1) with accept section (13) grafting fixed coordination, its characterized in that: accept section (13) and include drum portion (132) and circular cone portion (131), drum portion (132) and circular cone portion (131) coaxial setting, accept section (13) grafting cooperation in drum portion (132), install seal assembly (2) on pipeline body (1), seal assembly (2) are including coaxial the fixing in sealing ring (22) of drum portion (132) tip, cover is equipped with on grafting section (12) and makes sealing ring (22) with accept extrusion cylinder (21) of the sealed butt of section (13) lateral wall.

2. An electrical engineering pipe according to claim 1, wherein: the extrusion container (21) is in threaded connection with the cylindrical part (132), and the extrusion container (21) extrudes and locks the sealing ring (22).

3. An electrical engineering pipe according to claim 2, wherein: the extrusion container (21) comprises a threaded portion (211) and an extrusion portion (212), the threaded portion (211) is in threaded fit with the cylindrical portion (132), the portion, facing the sealing ring (22), of the extrusion portion (212) is arranged to be of an inner conical structure, and the extrusion portion (212) is in extrusion fit with the sealing ring (22).

4. An electrical engineering pipe according to claim 3, wherein: one end of the sealing ring (22) departing from the cylindrical part (132) is provided with a guide inclined surface (24) matched with the extrusion part (212).

5. An electrical engineering pipe according to claim 4, wherein: the fixed sealing portion (23) that is provided with on the interior anchor ring of sealing ring (22), sealing portion (23) are the loop configuration, just sealing portion (23) with sealing ring (22) are coaxial, sealing portion (23) are towards the protruding setting of grafting section (12), just sealing portion (23) deviate from the top surface of sealing ring (22) with grafting section (12) lateral wall clearance fit, sealing portion (23) are made by flexible material.

6. An electrical engineering pipe according to claim 5, wherein: the width of the sealing part (23) along the axial direction is increased and then decreased.

7. An electrical engineering pipe according to claim 3, wherein: sealing ring (22) deviates from the one end coaxial fixation who accepts section (13) is provided with tighrening ring (25), the fixed a plurality of annular archs (26) that are provided with on the interior anchor ring (25), joint groove (14) have been seted up on the lateral wall of grafting section (12), be provided with extrusion locking on extrusion portion (212) extrusion face (213) of tighrening ring (25).

8. An electrical engineering pipe according to claim 7, wherein: the annular protrusions (26) are arranged at regular intervals along the axial direction of the fastening ring (25).