CN212718561U

CN212718561U - Double-seal external pressure axial expansion joint

Info

Publication number: CN212718561U
Application number: CN202021427870.4U
Authority: CN
Inventors: 李娜; 王军; 朱文华
Original assignee: Shandong Huarui Bellows Co ltd
Current assignee: Shandong Huarui Bellows Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-16
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a double containment external pressure axial type expansion joint, including casing, alarm and bellows, the top fixed mounting of bellows has the installation pipe, and the top fixed mounting of installation pipe has the mount table, the bottom fixed mounting of bellows has the connecting pipe, the connecting pipe has the mount with the both sides fixed mounting of installation pipe, the outside fixed mounting of mount has the fixed plate, the inside peripheral fixed mounting of bellows of fixed plate has the casing, the fixed surface of casing installs the alarm, the inside fixed mounting of casing of alarm upper end has infrared emitter, the inside fixed mounting of casing of alarm lower extreme has the receiver. The utility model discloses a be provided with a series of structures and make this device can more make things convenient for the user of service person to install the device at the in-process that uses, can send when the bellows surpasss the range of variation and report to the police and advantage such as the protecting effect is good, optimize the use.

Description

Double-seal external pressure axial expansion joint

Technical Field

The utility model relates to an expansion joint technical field specifically is a double containment external pressure axial type expansion joint.

Background

The expansion joint is a flexible component for absorbing assembly errors and thermal expansion displacement of a system in the states of installation, starting, operation and the like, and is required to have a simple and reliable structure and be suitable for batch assembly when in use.

The existing double-seal external pressure axial expansion joint has the following defects:

1. when the corrugated pipe exceeds the variation range in the use process, the alarm cannot be given to users, so that the situation that the corrugated pipe is deformed and damaged and the users do not know easily occurs;

2. when the expansion joint is used, a user cannot conveniently move and install the position of the expansion joint, and therefore a double-seal external pressure axial expansion joint is provided to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double containment external pressure axial type expansion joint to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double containment external pressure axial type expansion joint, includes casing, alarm and bellows, the top fixed mounting of bellows has the installation pipe, and the top fixed mounting of installation pipe has the mount table, the bottom fixed mounting of bellows has the connecting pipe, the connecting pipe has the mount with the both sides fixed mounting of installation pipe, the outside fixed mounting of mount has the fixed plate, the inside peripheral fixed mounting of bellows of fixed plate has the casing, the fixed surface of casing installs the alarm, the inside fixed mounting of casing of alarm upper end has infrared emitter, the inside fixed mounting of casing of alarm lower extreme has the receiver.

Preferably, the bottom of the connecting pipe is fixedly provided with a connecting table, and the inside of the connecting table is movably provided with a connecting bolt.

Preferably, a fixing table is fixedly arranged between the inner side of the fixing frame and the connecting pipe and between the inner side of the fixing frame and the mounting pipe, and a fixing bolt is movably arranged in the fixing table.

Preferably, the top of the fixing frame is fixedly provided with a hanging ring, and a through hole is formed in the hanging ring.

Preferably, marks are fixedly arranged on the surfaces of the shells on the two sides of the alarm, and the surfaces of the marks are coated with anti-oxidation layers.

Preferably, a positioning table is fixedly installed between the alarm and the shell, and a positioning bolt is movably installed inside the positioning table.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an there is infrared emitter at the inside fixed mounting of casing of alarm upper end, the inside fixed mounting of casing of alarm lower extreme has the receiver, utilize infrared emitter to receiver transmission infrared ray when using, when the bellows in the in-process of deformation because of surpassing the biggest deformation range and lead to between infrared emitter and the receiver produced infrared ray receive the separation, the alarm sends audible-visual annunciation and reminds the user of service, thereby avoid the bellows to lead to the phenomenon of damage because of excessive deformation when using, the top fixed mounting of mount has rings, and the inside of rings is provided with the through-hole, can utilize the pull wire to carry out fixed connection with rings and outside draw gear, thereby make things convenient for the user of service to remove and adjust the position of device more, the flexibility of improvement device.

2. The utility model is characterized in that the periphery of the corrugated pipe inside the fixed plate is fixedly provided with the shell, the corrugated pipe can be protected by the shell when in use, the corrugated pipe is prevented from being exposed in the environment when in use, the bottom of the connecting pipe is fixedly provided with the connecting platform, the connecting bolt is movably arranged in the connecting platform, the contact area between the bottom surface of the connecting pipe and the external structure can be enlarged by using the connecting platform when in use, the connecting platform and the external structure can be fixedly connected by using the connecting bolt when in use, thereby improve the stability of device, fixed mounting has the locating platform between alarm and the casing, and the inside movable mounting of locating platform has the pilot pin, utilizes the locating platform can enlarge the area of contact between alarm and the casing when using to utilize the pilot pin to prescribe a limit to the position of locating platform, thereby improve the stability of device.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic view of the partial structure of the bellows and the housing of the present invention.

In the figure: 1. a fixed mount; 101. a fixing plate; 102. a hoisting ring; 103. a fixing bolt; 104. a fixed table; 2. a housing; 201. identifying; 3. a connecting pipe; 301. a connecting table; 302. a connecting bolt; 4. installing a pipe; 401. an installation table; 5. an alarm; 501. positioning bolts; 502. a positioning table; 6. a bellows; 7. an infrared emitter; 8. a receiver.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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. 1-3, the present invention provides an embodiment: a double-seal external pressure axial expansion joint comprises a shell 2, an alarm 5 and a corrugated pipe 6, wherein a mounting pipe 4 is fixedly mounted at the top of the corrugated pipe 6, a mounting table 401 is fixedly mounted at the top of the mounting pipe 4, a connecting pipe 3 is fixedly mounted at the bottom of the corrugated pipe 6, the corrugated pipe 6 can be fixedly connected with an external structure by the connecting pipe 3 and the mounting pipe 4 when in use, the stability of the corrugated pipe 6 is improved, a fixing frame 1 is fixedly mounted at two sides of the connecting pipe 3 and the mounting pipe 4, a fixing plate 101 is fixedly mounted at the outer side of the fixing frame 1, the shell 2 is fixedly mounted at the periphery of the corrugated pipe 6 inside the fixing plate 101, the position of the shell 2 can be fixed by the fixing frame 1 and the fixing plate 101 when in use, the corrugated pipe 6 can be protected by the shell 2 when in use, and the corrugated pipe 6 is prevented from being exposed, the surface of the shell 2 is fixedly provided with an alarm 5, the interior of the shell 2 at the upper end of the alarm 5 is fixedly provided with an infrared emitter 7, the interior of the shell 2 at the lower end of the alarm 5 is fixedly provided with a receiver 8, the type of the alarm 5 can adopt a KXB127 audible and visual alarm, the type of the infrared emitter 7 can adopt an FYF 3.5.5 safety type infrared emitter, the type of the receiver 8 can adopt an LF0038L infrared receiver, the alarm 5 is respectively and electrically connected with the receiver 8 and the infrared emitter 7 by wires, when infrared ray is emitted to the receiver 8 by the infrared emitter 7 in use, when the bellows 6 exceeds the maximum deformation range during deformation to block the infrared ray generated between the infrared emitter 7 and the receiver 8, the alarm 5 gives out sound and light alarm to remind a user, so that the phenomenon that the corrugated pipe 6 is damaged due to excessive deformation in use is avoided.

Further, the bottom of connecting pipe 3 is fixed with connecting platform 301, and the inside movable mounting of connecting platform 301 has connecting bolt 302, utilizes connecting platform 301 can enlarge the area of contact between the bottom surface of connecting pipe 3 and the exterior structure when using, utilizes connecting bolt 302 can carry out fixed connection between connecting platform 301 and the exterior structure when using to improve the stability of device.

Further, a fixing table 104 is fixedly installed between the inner side of the fixing frame 1 and the connecting pipe 3 and the installation pipe 4, and a fixing bolt 103 is movably installed inside the fixing table 104, so that the contact area between the fixing frame 1 and an external structure can be enlarged by using the fixing table 104 when in use, and the fixing frame 1 and the external structure can be fixedly connected by using the fixing bolt 103 when in use, thereby improving the stability of the device.

Further, the top of the fixing frame 1 is fixedly provided with a hanging ring 102, a through hole is formed in the hanging ring 102, the hanging ring 102 can be fixedly connected with an external traction device through a traction wire, and therefore a user can move and adjust the position of the device more conveniently, and flexibility of the device is improved.

Further, 2 fixed surface of casing of 5 both sides of alarm have sign 201, and the surface coating of sign 201 has an anti oxidation coating, can show the staff with the form of characters to the model, the performance and the principle of device to make things convenient for the user of service to use the device more.

Furthermore, a positioning table 502 is fixedly installed between the alarm 5 and the housing 2, and a positioning bolt 501 is movably installed inside the positioning table 502, so that the contact area between the alarm 5 and the housing 2 can be enlarged by using the positioning table 502, and the position of the positioning table 502 is limited by using the positioning bolt 501, thereby improving the stability of the device.

The working principle is as follows: utilize connecting pipe 3 and installation pipe 4 can carry out fixed connection between bellows 6 and the exterior structure when using, utilize mount 1 and fixed plate 101 can be fixed the position of casing 2 when using, utilize infrared emitter 7 to receiver 8 transmission infrared ray when using, when bellows 6 leads to produced infrared ray between infrared emitter 7 and the receiver 8 receiving the separation at the in-process that warp, alarm 5 sends audible-visual alarm and reminds the user, thereby avoid bellows 6 to lead to the phenomenon of damage because of excessive deformation when using.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a double containment external pressure axial type expansion joint, includes casing (2), alarm (5) and bellows (6), its characterized in that: the utility model discloses a warning device, including bellows (6), connecting pipe (3), mount (4), fixed mounting has mount table (401) at the top of bellows (6), the bottom fixed mounting of bellows (6) has connecting pipe (3), the both sides fixed mounting of connecting pipe (3) and mount pipe (4) has mount (1), the outside fixed mounting of mount (1) has fixed plate (101), the peripheral fixed mounting of bellows (6) of fixed plate (101) inside has casing (2), the fixed surface of casing (2) installs alarm (5), the inside fixed mounting of casing (2) of alarm (5) upper end has infrared emitter (7), the inside fixed mounting of casing (2) of alarm (5) lower extreme has receiver (8).

2. The dual seal external pressure axial type expansion joint as claimed in claim 1, wherein: the bottom fixed mounting of connecting pipe (3) has connection platform (301), and the inside movable mounting of connecting platform (301) has connecting bolt (302).

3. The dual seal external pressure axial type expansion joint as claimed in claim 1, wherein: a fixed table (104) is fixedly arranged between the inner side of the fixed frame (1) and the connecting pipe (3) and the installation pipe (4), and a fixed bolt (103) is movably arranged in the fixed table (104).

4. The dual seal external pressure axial type expansion joint as claimed in claim 1, wherein: the top of the fixed frame (1) is fixedly provided with a hanging ring (102), and a through hole is formed in the hanging ring (102).

5. The dual seal external pressure axial type expansion joint as claimed in claim 1, wherein: the surface of the shell (2) on the two sides of the alarm (5) is fixedly provided with a mark (201), and the surface of the mark (201) is coated with an anti-oxidation layer.

6. The dual seal external pressure axial type expansion joint as claimed in claim 1, wherein: a positioning table (502) is fixedly installed between the alarm (5) and the shell (2), and a positioning bolt (501) is movably installed inside the positioning table (502).