CN212900322U

CN212900322U - Novel prefabricated direct-burried heat preservation elbow

Info

Publication number: CN212900322U
Application number: CN202021740061.9U
Authority: CN
Inventors: 张宾
Original assignee: Hebei Jucheng Weiye Thermal Insulation Material Co ltd
Current assignee: Hebei Jucheng Weiye Thermal Insulation Material Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-04-06
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a novel prefabricated direct-burried heat preservation elbow, including elbow body and heat preservation straight tube, the side surface fixedly connected with of elbow body connects, the outer fixed surface that connects is connected with the inserted block, spacing hole has been seted up to the surface of elbow body, the inside fixedly connected with fixing base of elbow body, the inside swing joint of fixing base has the baffle, the side surface fixedly connected with second spring of baffle, the one end that the baffle was kept away from to the second spring is with the interior bottom fixed connection of fixing base, the side surface of baffle just is located one side fixedly connected with connecting rod that the second spring is opposite. The utility model has the advantages of reasonable design, convenient operation, the installation and the dismantlement of the heat preservation elbow of being convenient for have improved work efficiency, through setting up buffer structure, have improved the life of heat preservation elbow to the cost has been reduced.

Description

Novel prefabricated direct-burried heat preservation elbow

Technical Field

The utility model relates to a heat preservation elbow technical field especially relates to a novel prefabricated direct-burried heat preservation elbow.

Background

The heat preservation elbow is one of the heat preservation pipe fitting, and the heat preservation elbow constitutes, is formed by high density polyethylene outer tube, polyurethane foam heat preservation and interior work steel pipe close coupling, and the heat preservation elbow is used for turning to of heat preservation straight tube mainly, generally uses with the heat preservation pipeline is supporting, is used for the compensatory action when designing according to heat preservation engineering pipeline, makes the elbow position also can have sufficient thermal insulation performance, standard elbow angle: 30 degrees, 45 degrees, 60 degrees, 90 degrees.

Most of the heat preservation elbows on the existing market adopt welding and heat preservation straight tube fixed connection, although welded leakproofness is better, but the installation is more complicated, when the heat preservation elbow damages and needs to be changed, then need cut the heat preservation elbow, this process is more complicated, seriously influences work efficiency to the heat preservation elbow is in the transportation, receives the striking to make the shell take place to warp easily and damage, seriously influences the life of heat preservation elbow, causes the wasting of resources like this easily, makes the cost uprise.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel prefabricated direct-buried heat-insulation elbow.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel prefabricated direct-buried heat-insulating elbow comprises an elbow body and a heat-insulating straight pipe, wherein a joint is fixedly connected to the side surface of the elbow body, an insert block is fixedly connected to the outer surface of the joint, a limiting hole is formed in the outer surface of the elbow body, a fixed seat is fixedly connected to the inside of the elbow body, a baffle is movably connected to the inside of the fixed seat, a second spring is fixedly connected to the side surface of the baffle, one end, away from the baffle, of the second spring is fixedly connected with the inner bottom of the fixed seat, a connecting rod is fixedly connected to the side surface of the baffle and located on the side opposite to the second spring, one end, away from the baffle, of the connecting rod penetrates through the fixed seat and extends to the outer side of the fixed seat, a supporting plate is fixedly connected to one end, located on, the outer fixed surface of heat preservation straight tube is connected with the fixed block, the inside swing joint of fixed block has the slide, the inside fixedly connected with locating pin of slide, the surface of locating pin is provided with first spring, the one end and the slide fixed connection of first spring, the one end and the fixed block fixed connection of slide are kept away from to first spring, the jack has been seted up to the inside wall of heat preservation straight tube, the fan-shaped groove has been seted up to the inside wall of heat preservation straight tube and the right side that is located the jack.

As a further description of the above technical solution:

the elbow comprises an elbow body and is characterized in that a sealing ring is arranged at the joint of the elbow body and a heat-preservation straight pipe, and a protective pad is arranged at the joint of a supporting plate and an elbow body shell.

As a further description of the above technical solution:

the one end that the slide was kept away from to the locating pin runs through the fixed block and extends to the outside of fixed block, the one end fixedly connected with lug that the locating pin is located the fixed block outside, the one end that the lug was kept away from to the locating pin runs through the heat preservation straight tube and extends to the inboard of heat preservation straight tube.

As a further description of the above technical solution:

the number of the jacks and the fan-shaped grooves is two, and the jacks are connected with the fan-shaped grooves.

As a further description of the above technical solution:

the quantity of fixing base, connecting rod, baffle, second spring, backup pad all is provided with a plurality ofly to evenly distributed is in the inside of elbow body.

As a further description of the above technical solution:

the width of the insertion hole is the same as that of the fan-shaped groove, and the width of the insertion hole is 1.1 times of that of the insertion block.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this neotype prefabricated direct-burried heat preservation elbow, through the inserted block, the jack inserts the elbow body in the heat preservation straight tube, through rotatory elbow body, make the inserted block slide in the sector groove, when sliding to fixed position, the locating pin inserts spacing downthehole under the effect of first spring, thereby fix the elbow body in the heat preservation straight tube, otherwise extract the locating pin from spacing downthehole through the lug, the contrarotation elbow body, make the inserted block reverse slip in the sector groove, when sliding to the position of jack, extract the elbow body from the heat preservation straight tube, structural design is reasonable, and convenient for operation, the installation and the dismantlement of the heat preservation elbow of being convenient for, and the work efficiency is improved.

2. Compared with the prior art, this neotype prefabricated direct-burried heat preservation elbow through set up fixing base, connecting rod, baffle, second spring, backup pad, protection pad in that the elbow body is inside for the elbow body plays the cushioning effect when receiving the striking in the transportation, thereby prevents that the casing of elbow body from receiving the striking impaired often, has improved the life of heat preservation elbow, thereby has reduced the cost.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel prefabricated direct-buried thermal insulation elbow provided by the utility model;

fig. 2 is a schematic view of the internal structure of the fixing seat of the novel prefabricated direct-buried thermal insulation elbow provided by the utility model;

fig. 3 is a schematic structural view of a structure B in fig. 1 of a novel prefabricated direct-buried thermal insulation elbow provided by the present invention;

fig. 4 is a schematic structural view a in fig. 1 of a novel prefabricated direct-buried thermal insulation elbow provided by the present invention;

FIG. 5 is a side view of a heat-insulating straight pipe of a novel prefabricated directly-buried heat-insulating elbow provided by the present invention;

fig. 6 is the utility model provides a novel heat preservation straight tube cross-sectional view of prefabricated direct-burried heat preservation elbow.

Illustration of the drawings:

1. an elbow body; 2. a protective pad; 3. a joint; 4. a seal ring; 5. a limiting hole; 6. a heat preservation straight pipe; 7. a fixed block; 8. a slide plate; 9. positioning pins; 10. a bump; 11. a first spring; 12. inserting a block; 13. a support plate; 14. a jack; 15. a sector groove; 16. a fixed seat; 17. a connecting rod; 18. a baffle plate; 19. a second spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the utility model provides a pair of novel prefabricated direct-burried heat preservation elbow: the elbow comprises an elbow body 1 and a heat-preservation straight pipe 6, wherein a joint 3 is fixedly connected to the side surface of the elbow body 1, an insertion block 12 is fixedly connected to the outer surface of the joint 3, the elbow body 1 is inserted into the heat-preservation straight pipe 6 through the insertion block 12 and an insertion hole 14, a limiting hole 5 is formed in the outer surface of the elbow body 1, and is inserted into the limiting hole 5 through a positioning pin 9, the elbow body 1 is fixed in the heat-preservation straight pipe 6, a fixed seat 16 is fixedly connected to the inside of the elbow body 1, a baffle 18 is movably connected to the inside of the fixed seat 16, a second spring 19 is fixedly connected to the side surface of the baffle 18, one end, away from the baffle 18, of the second spring 19 is fixedly connected with the inner bottom of the fixed seat 16, a connecting rod 17 is fixedly connected to the side surface of the baffle 18 and is, one end of the connecting rod 17, which is positioned at the outer side of the fixed seat 16, is fixedly connected with a supporting plate 13, the fixed seat 16, the connecting rod 17, a baffle plate 18, a second spring 19 and the supporting plate 13 form a buffer mechanism for preventing a shell of the elbow body 1 from being damaged, one side of the supporting plate 13, which is far away from the connecting rod 17, is fixedly connected with a shell of the elbow body 1, the outer surface of the heat-insulating straight pipe 6 is fixedly connected with a fixed block 7, the inner part of the fixed block 7 is movably connected with a sliding plate 8, the inner part of the sliding plate 8 is fixedly connected with a positioning pin 9, the outer surface of the positioning pin 9 is provided with a first spring 11, the positioning pin 9 is inserted into the limiting hole 5 by the elasticity of the first spring 11 to prevent the positioning pin 9 from falling off from the limiting hole 5, one end of the first, the inner side wall of the heat preservation straight pipe 6 and the right side of the insertion hole 14 are provided with fan-shaped grooves 15.

The joint of the elbow body 1 and the heat preservation straight pipe 6 is provided with a sealing ring 4 to increase the sealing performance of the joint of the elbow body 1 and the heat preservation straight pipe 6, the joint of the support plate 13 and the casing of the elbow body 1 is provided with a protective pad 2 to prevent the support plate 13 from damaging the casing of the elbow body 1, one end of the positioning pin 9 far away from the sliding plate 8 penetrates through the fixed block 7 and extends to the outer side of the fixed block 7, one end of the positioning pin 9, which is positioned at the outer side of the fixed block 7, is fixedly connected with a lug 10 to facilitate the extraction of the positioning pin 9 from the limiting hole 5, one end of the positioning pin 9, which is far away from the lug 10, penetrates through the heat preservation straight pipe 6 and extends to the inner side of the heat preservation straight pipe 6, two jacks 14 and two fan-shaped grooves 15 are arranged, the jacks 14 are connected with the fan-shaped grooves 15, a plurality of fixed, the width of the insertion hole 14 is the same as that of the fan-shaped groove 15, and the width of the insertion hole 14 is 1.1 times of that of the insertion block 12.

The working principle is as follows: during installation, the elbow body 1 is inserted into the heat preservation straight pipe 6 through the insertion block 12 and the insertion hole 14, the insertion block 12 slides in the fan-shaped groove 15 by rotating the elbow body 1, when the elbow body is rotated to a specified position, the positioning pin 9 is inserted into the limiting hole 5 under the action of the first spring 11, so that the elbow body 1 and the heat preservation straight pipe 6 are fixed together, when the elbow is disassembled, the positioning pin 9 is pulled out from the limiting hole 5 through the lug 10, the elbow body 1 is reversely rotated to enable the insertion block 12 to reversely slide in the fan-shaped groove 15, when the elbow body slides to the position of the insertion hole 14, the elbow body 1 is pulled out from the heat preservation straight pipe 6, and a buffer mechanism is formed by the fixing seat 16, the connecting rod 17, the baffle 18, the second spring 19 and the supporting plate 13, so that the shell of the elbow.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel prefabricated direct-burried heat preservation elbow, includes elbow body (1) and heat preservation straight tube (6), its characterized in that: the elbow comprises an elbow body (1), a joint (3) is fixedly connected to the side surface of the elbow body (1), an inserting block (12) is fixedly connected to the outer surface of the joint (3), a limiting hole (5) is formed in the outer surface of the elbow body (1), a fixing seat (16) is fixedly connected to the inside of the elbow body (1), a baffle plate (18) is movably connected to the inside of the fixing seat (16), a second spring (19) is fixedly connected to the side surface of the baffle plate (18), one end, far away from the baffle plate (18), of the second spring (19) is fixedly connected with the inner bottom of the fixing seat (16), a connecting rod (17) is fixedly connected to the side surface of the baffle plate (18) and located on the opposite side of the second spring (19), one end, far away from the baffle plate (18), of the connecting rod (17) penetrates through the fixing seat (16) and extends to the outer side of the fixing seat (16), one side of connecting rod (17) and the shell fixed connection of elbow body (1) are kept away from in backup pad (13), the outer fixed surface of heat preservation straight tube (6) is connected with fixed block (7), the inside swing joint of fixed block (7) has slide (8), the inside fixedly connected with locating pin (9) of slide (8), the surface of locating pin (9) is provided with first spring (11), the one end and slide (8) fixed connection of first spring (11), the one end and fixed block (7) fixed connection of slide (8) are kept away from in first spring (11), jack (14) have been seted up to the inside wall of heat preservation straight tube (6), fan-shaped groove (15) have been seted up on the inside wall of heat preservation straight tube (6) and the right side that is located jack (14).

2. The novel prefabricated direct-buried thermal insulation elbow according to claim 1, is characterized in that: the elbow is characterized in that a sealing ring (4) is arranged at the joint of the elbow body (1) and the heat-preservation straight pipe (6), and a protective pad (2) is arranged at the joint of the supporting plate (13) and the shell of the elbow body (1).

3. The novel prefabricated direct-buried thermal insulation elbow according to claim 1, is characterized in that: the one end that slide (8) were kept away from in locating pin (9) runs through fixed block (7) and extends to the outside of fixed block (7), one end fixedly connected with lug (10) that locating pin (9) are located the fixed block (7) outside, the one end that lug (10) were kept away from in locating pin (9) runs through heat preservation straight tube (6) and extends to the inboard of heat preservation straight tube (6).

4. The novel prefabricated direct-buried thermal insulation elbow according to claim 1, is characterized in that: the number of the insertion holes (14) and the number of the fan-shaped grooves (15) are two, and the insertion holes (14) are connected with the fan-shaped grooves (15).

5. The novel prefabricated direct-buried thermal insulation elbow according to claim 1, is characterized in that: the quantity of the fixed seat (16), the connecting rod (17), the baffle (18), the second spring (19) and the supporting plate (13) is provided with a plurality of parts which are uniformly distributed in the elbow body (1).

6. The novel prefabricated direct-buried thermal insulation elbow according to claim 1, is characterized in that: the width of the insertion hole (14) is the same as that of the fan-shaped groove (15), and the width of the insertion hole (14) is 1.1 times of that of the insertion block (12).