CN213576157U

CN213576157U - Non-metal expansion joint

Info

Publication number: CN213576157U
Application number: CN202022054170.1U
Authority: CN
Inventors: 朱钦
Original assignee: Wuxi Honglei Petrochemical Pipe Fittings Co ltd
Current assignee: Wuxi Honglei Petrochemical Pipe Fittings Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-29
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to the technical field of expansion joints, in particular to a non-metal expansion joint, which comprises a first frame, a second frame, a guide plate, a nail grasping group and a bolt, wherein the guide plate is arranged in the first frame and the second frame, and the nail grasping group is arranged at the inner side of the guide plate; the outer parts of the first frame and the second frame are in contact connection with skins; the surface of the side wall of the skin is provided with two pressing plates in a contact manner, and the two pressing plates are provided with lug plates in a contact manner; and a stud is arranged between the two lug plates, and a nut is arranged on the stud in a matching way. The utility model discloses, the crimping has the clamp plate on the covering, through the cooperation of nut and bolt on the clamp plate, has installed the otic placode, has transversely installed stud and the nut that the cooperation is connected between the otic placode, has increased the expanded intensity of traditional covering atress, has guaranteed the whole balanced bearing capacity of non-metal expansion joint, has prolonged the life of non-metal expansion joint.

Description

Non-metal expansion joint

Technical Field

The utility model relates to an expansion joint technical field especially relates to a nonmetal expansion joint.

Background

The nonmetal expansion joint is also called as an expansion joint or a compensator, can compensate the expansion and contraction quantity in the length direction of a pipeline and keep the tightness of the pipeline, has a flexible structure, and has the advantages of absorbing and compensating the thermal displacement of heated equipment, absorbing shock, reducing noise, sealing and resisting corrosion after being widely applied to the fields of chemical engineering, metallurgy, nuclear energy and the like.

The existing expansion joint is characterized in that a pressing plate pressed on a skin is a flat plate body, so that the expansion joint is arranged on a pipeline and then is ventilated to expand under stress, the outer surface of the skin is directly placed on an edge of the inner end surface of the pressing plate, the skin is easy to damage in the long-term use process, and the integral service life of the expansion joint is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a non-metal expansion joint.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a nonmetal expansion joint comprises a first frame, a second frame, a guide plate, a nail grabbing group and a bolt, wherein the guide plate is arranged in the first frame and the second frame, and the nail grabbing group is arranged on the inner side of the guide plate;

the outer parts of the first frame and the second frame are in contact connection with skins;

the surface of the side wall of the skin is provided with two pressing plates in a contact manner, and the two pressing plates are provided with lug plates in a contact manner;

and a stud is arranged between the two lug plates, and a nut is arranged on the stud in a matching way.

Preferably, the first frame and the second frame are rectangular in vertical cross section.

Preferably, the lug plate, the pressing plate and the first frame are all provided with bolt holes, bolts are matched in the bolt holes, and nuts are matched on the bottoms of the bolts.

Preferably, the lug plate, the pressing plate and the first frame are all provided with bolt holes and are matched with bolts.

Preferably, the vertical section of the ear plate is in an "L" shape.

Preferably, a washer is arranged between the nut and the ear plate.

The utility model has the advantages that:

the utility model discloses, the crimping has the clamp plate on the covering, through the cooperation of nut and bolt on the clamp plate, has installed the otic placode, has transversely installed stud and the nut that the cooperation is connected between the otic placode, has increased the expanded intensity of traditional covering atress, has guaranteed the whole balanced bearing capacity of non-metal expansion joint, has prolonged the life of non-metal expansion joint.

Drawings

Fig. 1 is a schematic front view of a non-metallic expansion joint according to the present invention;

fig. 2 is a schematic structural view of a-a in fig. 1 of a non-metallic expansion joint according to the present invention;

fig. 3 is a schematic structural view of B-B in fig. 1 of a non-metallic expansion joint according to the present invention;

fig. 4 is a schematic diagram of a partial side-dumping enlarged structure of a non-metal expansion joint shown in fig. 2.

In the figure: the guide plate comprises a first frame 1, a nail grabbing group 2, a skin 3, a pressing plate 4, bolts 5, nuts 6, washers 7, ear plates 8, studs 9, a second frame 11 and a guide plate 12.

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.

Example (b): referring to fig. 1-4, a non-metal expansion joint comprises a first frame 1, a second frame 11, a guide plate 12, a nail grasping group 2 and a bolt 5, wherein the vertical sections of the first frame 1 and the second frame 11 are rectangular, the guide plate 12 is arranged in the first frame 1 and the second frame 11, and the nail grasping group 2 is arranged on the inner side of the guide plate 12;

the outer parts of the first frame 1 and the second frame 11 are in contact connection with a skin 3, the surface of the side wall of the skin 3 is provided with two pressing plates 4 in contact, the two pressing plates 4 are provided with lug plates 8 in contact, the vertical section of each lug plate 8 is in an L shape, a stud 9 is arranged between the two lug plates 8, a nut 6 is arranged on each stud 9 in a matched mode, and a gasket 7 is arranged between each nut 6 and each lug plate 8;

all seted up bolt 5 holes on otic placode 8, clamp plate 4 and the first frame 1, and the cooperation has bolt 5 in the bolt 5 holes, and the cooperation has nut 6 on the bottom of bolt 5, has all seted up bolt 5 holes and has cooperated bolt 5 on otic placode 8, clamp plate 4 and the first frame 1.

Specifically, skins 3 are mounted on two sides of a first frame 1 and a second frame 11, a pressing plate 4 is pressed on the skins 3, ear plates 8 are mounted on the pressing plate 4 through the matching of nuts 6 and bolts 5, and stud bolts 9 and nuts 6 which are connected in a matched mode are transversely mounted between the ear plates 8, so that the stress expansion strength of the traditional skins 3 is increased, the integral balance bearing capacity of the non-metal expansion joint is guaranteed, and the service life of the non-metal expansion joint is prolonged;

the working principle is as follows: the nonmetal compensator consists of one or more nonmetal ring belts (skins 3) and structural parts and is used for absorbing the size change of pipelines and/or equipment and the vibration of the equipment or a system caused by expansion with heat and contraction with cold. And (3) structural standard: D-LD2000 handbook of typical design of parts of duct for pulverized coal fired by flue gas.

Those not described in detail in this specification are within the skill of the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt 5, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including the conventional connection mode among the circuit connection adoption prior art, do not detailed here again.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A nonmetal expansion joint comprises a first frame (1), a second frame (11), a guide plate (12), a grabbing nail group (2) and a bolt (5), and is characterized in that the guide plate (12) is arranged in the first frame (1) and the second frame (11), and the grabbing nail group (2) is arranged on the inner side of the guide plate (12);

the outer parts of the first frame (1) and the second frame (11) are in contact connection with a skin (3);

the surface of the side wall of the skin (3) is provided with two pressing plates (4) in a contact manner, and the two pressing plates (4) are provided with lug plates (8) in a contact manner;

two be provided with stud (9) between otic placode (8), and stud (9) are gone up the cooperation and are installed nut (6).

2. A non-metallic expansion joint according to claim 1, characterized in that the vertical cross-section of the first frame (1) and the second frame (11) is rectangular.

3. The non-metallic expansion joint according to claim 1, wherein the ear plate (8), the pressure plate (4) and the first frame (1) are all provided with bolt (5) holes, the bolt (5) holes are matched with bolts (5), and the bottom of the bolt (5) is matched with a nut (6).

4. A non-metallic expansion joint according to claim 1, characterized in that the ear plate (8), the pressure plate (4) and the first frame (1) are provided with bolt (5) holes and are fitted with bolts (5).

5. A non-metallic expansion joint according to claim 1, characterized in that the vertical cross-section of the ear plate (8) is "L" shaped.

6. A non-metallic expansion joint according to claim 1, characterized in that a washer (7) is arranged between the nut (6) and the ear plate (8).