Double-plate bolt anti-falling corrugated pipe

Abstract

The utility model relates to the technical field of corrugated pipes, and provides a double-plate bolt anti-falling corrugated pipe, which aims at solving the problems that leakage is easy to occur at the joint of the existing corrugated pipe when multiple pipes are connected, and the like, and comprises a flaring section and a socket section, and is provided with a double-plate bolt, the two ends of the double-plate bolt are detachably connected with the outer side wall of the flaring section and the inserting opening section respectively. And a mounting block is embedded in the inner side wall of the flaring section, can do reciprocating motion towards the direction of the inner cavity of the corrugated pipe, and can be clamped with the outer side wall of the inserting opening section. According to the corrugated pipe disclosed by the utility model, the mounting blocks and other components which are staggered and clamped are arranged on the contact surfaces of the flaring section and the socket section, so that multiple connection and fixation are formed, and the double-plate bolts are combined for locking, so that the connection tightness, the sealing property and the like of the corrugated pipe are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows, in particular to a double-plate latch anti-falling bellows. Background Art

[0002] The bellows is a tubular material made of metal with a corrugated side wall. The wall of the bellows is soft and bendable, and the distance between the inner and outer walls is relatively large, forming an air layer. It has good elasticity and ductility, and can also resist certain pressure and vibration. The bellows has good flexibility and bendability, and can adapt to complex installation environments; it can effectively reduce the vibration and noise generated by mechanical equipment during operation; it has good heat resistance and corrosion resistance, and a long service life; it is easy to install and maintain, reducing maintenance costs; it can reduce pipeline connection points and reduce the risk of leakage. Therefore, bellows are widely used in pipeline systems in the petroleum, chemical, food and other industries.

[0003] During the use of the bellows, it is necessary to form a whole pipeline system by connecting several bellows end to end, so the connection method between several bellows is one of the important factors affecting the use effect of the bellows. For example, the patent with publication number CN216242898U provides a boss anti-retraction anti-dropout bellows, including a plug bellows and a socket bellows connected to the plug bellows, one end of the plug bellows is circumferentially provided with a plurality of bosses on the outer surface, one end of the socket bellows is circumferentially provided with a plurality of anti-retraction grooves protruding outward, and a bevel groove is provided in the anti-retraction ring groove, and the bevel groove is used to embed the boss; it realizes the stable connection and sealing effect between the plug bellows and the socket bellows by adopting a boss self-locking anti-interface drop-off device.

[0004] However, the contact surfaces between the sockets and the sockets of the existing adjacent bellows are also prone to leakage, thereby affecting the connection effect and sealing effect of the bellows. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that leakage easily occurs at the connection of the existing bellows when multiple tubes are connected. The application provides a double-plate latch anti-drop bellows, and a staggered clamping component such as a mounting block is arranged on the contact surface of the flared section and the plug section to form multiple connection fixation, and is locked in combination with the double-plate latch, thereby improving the connection tightness and sealing of the bellows.

[0006] The utility model is realized by the following technical solutions:

[0007] A double-plate latch anti-falling corrugated pipe comprises a flared section and a socket section, and the corrugated pipe is provided with a double-plate latch, the two ends of the double-plate latch are respectively detachably connected to the outer side wall of the flared section and the socket section; a plurality of mounting blocks are embedded in the inner side wall of the flared section, the mounting blocks can reciprocate in the direction of the inner cavity of the corrugated pipe, and the mounting blocks can be clamped with the outer side wall of the socket section.

[0008] Preferably, the cross-sectional view of the double-plate latch along the direction of the corrugated tube is U-shaped, one open end of the double-plate latch cross-sectional view is clamped with the outer wall of the socket section, and the other open end of the double-plate latch cross-sectional view is detachably connected to the outer wall of the expansion section.

[0009] Preferably, the double-plate latch comprises a pair of semicircular latch rings, both ends of which are detachably connected, and when the pair of latch rings are connected into a ring, the inner side walls of the latch rings are detachably connected to the flared section or the socket section.

[0010] Preferably, a connecting plate is protruding from one end of the latch ring, and a connecting bolt is passed through the connecting plate. The connecting bolt can be passed through the connecting plates of the pair of latch rings at the same time.

[0011] Preferably, a surface of the inner side wall of the expansion section close to each of the mounting blocks is provided with a receiving groove, and the receiving groove can receive the mounting block.

[0012] Preferably, a side of the mounting block close to the bottom of the accommodating groove is connected to the bottom of the accommodating groove via an elastic member, so that the mounting block can move in a direction away from or close to the accommodating groove.

[0013] Preferably, the side of the mounting block away from the bottom of the accommodating groove is an inclined slope, and the side of the slope close to the opening of the flaring section is inclined toward the bottom of the accommodating groove; when the elastic member is in a naturally extended state, the side of the mounting block away from the opening of the flaring section can abut against the corrugated protrusion of the plug section, and the adjacent corrugated protrusion close to the opening of the flaring section abuts against the inclined surface of the mounting block.

[0014] Preferably, when the mounting block moves close to the bottom of the accommodating groove, the inclined surface protrusion of the mounting block can abut against the convex surface of the corrugated protrusion.

[0015] The technical solution of the utility model has the following beneficial effects:

[0016] The double-plate latch anti-falling bellows of the utility model is a flared bellows with an R-shaped structure at one end, and mounting blocks and other components that are staggered and clamped are arranged on the contact surfaces between the flared section and the plug section of the bellows, thereby forming multiple connections and fixations, and combined with the double-plate latch for locking, thereby improving the connection tightness and sealing of the bellows. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of the double-plate latch anti-falling bellows in Example 1;

[0019] Figure 2 for Figure 1 A local enlarged structural schematic diagram of the A part;

[0020] Figure 3 This is a schematic diagram of the structure of the double-board latch in Example 1;

[0021] Figure 4 It is a schematic diagram of the cross-sectional partial structure of the double-plate latch anti-falling bellows in Example 1;

[0022] Figure 5 for Figure 4 A schematic diagram of the partially enlarged structure of the B part after assembly;

[0023] Figure 6 for Figure 4 A schematic diagram of the partially enlarged structure of part B during the assembly process (excluding the double-board latch).

[0024] Icons: 11-flared section, 12-socket section, 13-accommodating groove, 14-corrugated protrusion, 2-double-plate latch, 21-latch ring, 22-connecting plate, 23-connecting bolt, 3-mounting block, 31-elastic member. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] Example 1

[0029] like Figures 1 to 6 As shown, the present embodiment provides a double-plate latch anti-falling bellows, which is a flared bellows with an R-shaped structure at one end. The bellows includes a flared section 11 and a socket section 12, and the bellows is provided with a double-plate latch 2. The cross-sectional view of the double-plate latch 2 along the direction of the bellows is in a side U-shape, and one open end of the double-plate latch 2 in the cross-sectional view is clamped with the outer side wall of the socket section 12, and the other open end of the double-plate latch 2 in the cross-sectional view is assembled and connected with the outer side wall of the flared section 11 by screws.

[0030] Specifically, the double-plate latch 2 includes a pair of semicircular latch rings 21, one end of which is protrudingly provided with a connecting plate 22, and the connecting plate 22 is penetrated by a connecting bolt 23. The connecting bolt 23 can be penetrated through the connecting plates 22 of the pair of latch rings 21 at the same time, so that the ends of the pair of latch rings 21 close to the connecting plates 22 can be connected by the connecting bolt 23; the end of the latch ring 21 away from the mounting plate is rotatably connected by a rotating shaft, which is convenient for operation during the installation process; and when the pair of latch rings 21 are connected into a ring, the two ends of the inner side wall of the latch ring 21 are respectively abutted against the flared section 11 and the socket section 12.

[0031] In this embodiment, a plurality of mounting blocks 3 are embedded in the inner wall of the expanded section 11, and a receiving groove 13 is provided on the surface of the inner wall of the expanded section 11 close to each mounting block 3, and the receiving groove 13 can accommodate the mounting block 3; and a side of the mounting block 3 close to the bottom of the receiving groove 13 is connected to the bottom of the receiving groove 13 through an elastic member 31. The elastic member 31 of this embodiment can be a spring, so that the mounting block 3 can reciprocate in a direction away from or close to the receiving groove 13.

[0032] In this embodiment, the side of the mounting block 3 away from the bottom of the receiving groove 13 is an inclined slope, and the side of the slope close to the opening of the flared section 11 is inclined toward the bottom of the receiving groove 13. When the elastic member 31 is in a naturally extended state, the side of the mounting block 3 away from the opening of the flared section 11 can abut against the corrugated protrusion 14 of the plug section 12, and the adjacent corrugated protrusion 14 close to the opening of the flared section 11 abuts against the inclined surface of the mounting block 3; when the mounting block 3 moves to the bottom of the receiving groove 13, the inclined protrusion of the mounting block 3 can abut against the convex surface of the corrugated protrusion 14.

[0033] In this embodiment, mounting blocks 3 and other components are arranged on the contact surface of the flared section 11 and the socket section 12 of the bellows in an interlaced manner, thereby forming multiple connection fixations, and are locked in combination with double-plate latches 2, thereby improving the connection tightness and sealing of the bellows.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A double-plate bolt anti-dropping corrugated pipe, characterized in that: It comprises a flared section (11) and a socket section (12), and the corrugated pipe is provided with a double-plate latch (2), and the two ends of the double-plate latch (2) are respectively detachably connected to the outer wall of the flared section (11) and the socket section (12); A plurality of mounting blocks (3) are embedded in the inner wall of the expansion section (11); the mounting blocks (3) can reciprocate in the direction of the inner cavity of the bellows, and the mounting blocks (3) can be snap-fitted with the outer wall of the socket section (12).

2. The double-plate bolt anti-falling corrugated pipe according to claim 1, characterized in that: The cross-sectional view of the double-plate latch (2) along the direction of the corrugated pipe is in a side U-shape, one open end of the cross-sectional view of the double-plate latch (2) is clamped with the outer side wall of the socket section (12), and the other open end of the cross-sectional view of the double-plate latch (2) is detachably connected to the outer side wall of the expansion section (11).

3. The double-plate bolt anti-falling corrugated pipe according to claim 1, characterized in that: The double-plate latch (2) comprises a pair of latch rings (21), the pair of latch rings (21) are both semicircular, both ends of the pair of latch rings (21) are detachably connected, and when the pair of latch rings (21) are connected to form a ring, the inner side walls of the latch rings (21) are detachably connected to the flared section (11) or the socket section (12).

4. The double-plate bolt anti-falling corrugated pipe according to claim 3, characterized in that: A connecting plate (22) is protruding from one end of the latch ring (21), and a connecting bolt (23) is passed through the connecting plate (22). The connecting bolt (23) can be simultaneously passed through the connecting plates (22) of the pair of latch rings (21).

5. The double-plate bolt anti-falling corrugated pipe according to any one of claims 1 to 4, characterized in that: The inner side wall of the flared section (11) is provided with a receiving groove (13) on a surface close to each of the mounting blocks (3), and the receiving groove (13) can receive the mounting block (3).

6. The double-plate bolt anti-falling corrugated pipe according to claim 5, characterized in that: A side of the mounting block (3) close to the bottom of the accommodating groove (13) is connected to the bottom of the accommodating groove (13) via an elastic member (31), so that the mounting block (3) can move in a direction away from or close to the accommodating groove (13).

7. The double-plate bolt anti-dropping corrugated pipe according to claim 6, characterized in that: The side of the mounting block (3) away from the bottom of the receiving groove (13) is an inclined surface, and the side of the inclined surface close to the opening of the expansion section (11) is inclined toward the bottom of the receiving groove (13); When the elastic member (31) is in a naturally extended state, the side of the mounting block (3) away from the opening of the flared section (11) can abut against the corrugated protrusion (14) of the socket section (12), and the adjacent corrugated protrusion (14) close to the opening of the flared section (11) abuts against the inclined surface of the mounting block (3).

8. The double-plate bolt anti-dropping corrugated pipe according to claim 7, characterized in that: When the mounting block (3) moves to a position close to the bottom of the accommodating groove (13), the inclined convex point of the mounting block (3) can abut against the convex surface of the corrugated protrusion (14).

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