Detachable double-flange loose sleeve force transfer joint

By designing the assisting and clamping components, the problem of nuts easily tipping over when stacked was solved, ensuring the stable installation of the force transmission joint and improving installation efficiency.

CN223881930UActive Publication Date: 2026-02-06HENAN ENGINEERING PIPELINE MANUFACTURING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520468168.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-06
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

The existing detachable double-flange loose-sleeve force transmission joint has poor stability when the nuts are stacked during assembly, making it easy to tip over and affecting the installation progress.

Method used

The system employs assisting components and clamping components. The assisting components include a lower support frame, a connecting frame, an upper support frame, a connecting arm, and an adjusting frame. The clamping components include a support collar, a clamping plate, and a limiting block. Through the cooperation of these components, the stability of the connecting plate and the force transmission screw is ensured during the installation process.

Benefits of technology

This improves the stability of the connecting plate and the force transmission screw during installation, reduces the possibility of the nut tipping over, and increases installation efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223881930U_ABST
    Figure CN223881930U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of force transmission connectors, in particular to a detachable double-flange loose sleeve force transmission connector which comprises a short pipe flange and a force transmission screw rod, the force transmission screw rod is installed in a notch of the short pipe flange, the outer circumference of the short pipe flange is sleeved with a connecting disc, the connecting disc is connected with the surface of the force transmission screw rod in a sleeved mode, and the surface of the force transmission screw rod is connected with the short pipe flange in a sleeved mode. The outer circumference of the short pipe flange is sleeved with a telescopic connector, the telescopic connector is connected with the surface of the force transmission screw in a sleeved mode, an assisting assembly is arranged on the upper surface of the short pipe flange, and the assisting assembly comprises a lower supporting frame. According to the utility model, the auxiliary assembly is arranged, so that when a worker assembles a joint, the short pipe flange can stably support the position of the connecting disc, and then the problems that when stacked nuts are used for supporting, the nuts are easy to topple over, and the supporting effect on the connecting disc is difficult to maintain are reduced; and the stability of the connecting disc in a mounting state is further improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a force transmission joint technical field especially relates to a detachable double flange loose sleeve force transmission joint. BACKGROUND

[0002] The double flange loose sleeve force transmission joint is a kind of pipeline connecting device with important role, it is mainly composed of body, sealing ring, gland, short pipe flange and other components, its characteristics are in that the connection between pipeline can be realized, axial force can be simultaneously transmitted, a certain amount of axial displacement and angular deviation are allowed, in pipeline system, double flange loose sleeve force transmission joint can effectively compensate the displacement of pipeline due to thermal expansion and contraction, uneven settlement of foundation and other reasons, protect the safe operation of pipeline and equipment.

[0003] Prior art such as the utility model with publication number CN215000054U, this patent discloses double flange loose sleeve compensation joint, the patent adopts flange body, short pipe flange and force transmission screw, one end of short pipe flange is inserted into flange body, force transmission nut is screwed on force transmission screw, gland is arranged at the connecting place of flange body and short pipe flange, elastic sealing strip is extruded between gland, flange body and short pipe flange, a plurality of pairs of oppositely arranged sliding grooves are formed on the inner side wall of flange body towards short pipe flange, plug-in block is slid in sliding groove, reset compression spring is extruded between plug-in block and groove bottom of sliding groove, through groove is formed in groove bottom and penetrates to the outer side wall of flange body, connecting rod is penetrated in through groove, one end of connecting rod is fixedly connected to plug-in block, the other end is penetrated from through groove and fixedly connected with pull plate, clamping groove is formed on the outer side wall of short pipe flange for the sliding of plug-in block, clamping groove is blind groove, and clamping groove is formed along the axis direction of short pipe flange.This application has the effect of reducing the possibility of joint falling off, solves the problem that the joint falls off and causes water leakage phenomenon in the process of using the joint, once the force transmission nut and force transmission screw used for connection are loose.

[0004] In the process of assembling detachable double flange loose sleeve force transmission joint, there are most detachable force transmission joints on the market, which need to be supported by supporting tools when assembling the components installed in the middle region, in order to facilitate assembly, workers often use the nuts stacked above the short pipe flange when installing to support the sleeve ring in the middle position, since the stability of the nuts in the stacked state is poor, the nuts are prone to fall under external force when supporting the sleeve ring, which makes it difficult to maintain the supporting effect of the sleeve ring and interferes with the installation progress. UTILITY MODEL CONTENTS

[0005] The utility model discloses a detachable double flange loose sleeve force transmission joint which belongs to the technical field of mechanical equipment.

[0006] In order to realize the above-mentioned purpose, the utility model discloses a detachable double flange loose sleeve force transmission joint, including short pipe flange and force transmission screw rod, the force transmission screw rod is installed in the slot of short pipe flange, the outer circumference of short pipe flange is equipped with connecting disc, the connecting disc is connected with the surface of force transmission screw rod, the outer circumference of short pipe flange is equipped with expansion joint, the expansion joint is connected with the surface of force transmission screw rod, the upper surface of short pipe flange is provided with assisting assembly, the assisting assembly includes lower support frame, the lower support frame is fixedly connected with the upper surface of short pipe flange, the upper surface of lower support frame is fixedly connected with connecting frame, the upper surface of connecting frame is provided with upper support frame, the inner wall of upper support frame is rotatably connected with connecting arm no.

[0007] Preferably, the upper support frame is in contact with the lower surface of the connecting disc, the two ends of the connecting arm no.

[0008] Preferably, the two ends of the connecting arm no.

[0009] Preferably, the two ends of the connecting arm no.

[0010] Preferably, the outer circumference of the short pipe flange is provided with a clamping assembly, the clamping assembly comprises a supporting sleeve, the supporting sleeve is sleeved with the outer arc surface of the short pipe flange, the surface of the supporting sleeve is provided with a insertion hole, the transmission screw is inserted with the inside of the insertion hole, the inner arc surface of the supporting sleeve is provided with a mounting cavity, the inside of the mounting cavity is slidably connected with a connecting rod, the side of the connecting rod close to the short pipe flange is fixedly connected with a clamping plate, the clamping plate is in contact with the outer arc surface of the short pipe flange, the side of the connecting rod away from the clamping plate is fixedly connected with a limiting block, the side surface of the limiting block is fixedly connected with a limiting spring, the side of the limiting spring away from the limiting block is fixedly connected with the inner wall of the mounting cavity, and the lower end of the transmission screw can be constrained through the supporting sleeve in the locked state, so that the transmission screw is always in a vertical state during installation.

[0011] Preferably, the number of clamping plates is multiple, and the multiple clamping plates are arranged in a circumferential array about the short pipe flange, so that the short pipe flange can be clamped in the constrained state through the clamping plate to limit the position of the supporting sleeve.

[0012] Preferably, the limiting block is slidably connected with the inner wall of the mounting cavity, and the number of limiting springs is two, and the two limiting springs are mirror arranged about the transmission screw, so that the position of the connecting rod can be constrained through the cooperation of the limiting sleeve and the limiting block, thereby realizing the constraint of the position of the clamping plate.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、In the utility model, through setting assisting assembly, when assembling double flange force transmission joint, transmission screw is inserted into the hole of short pipe flange, after the preliminary installation of transmission screw is completed, connecting disc is sleeved on transmission screw and is pushed down, so that connecting disc is sleeved to the surface of short pipe flange, when connecting disc moves to the specified installation area, telescopic joint is installed on transmission screw, telescopic joint is pushed down, when telescopic joint reaches the upper surface of connecting disc, other components can be fixed by nut and transmission screw, before installing connecting disc, clockwise rotating adjusting frame, adjusting frame is engaged with both sides adapter, both sides adapter moves towards each other, and connecting arm one and connecting arm two are pulled by cooperation of rotating shaft, connecting arm one and connecting arm two are pulled and unfolded upwards, and upper support frame is lifted in the process of unfolding, upper support frame moves upwards, when upper support frame moves to the height required by staff, stop rotating adjusting frame, then assisting assembly can support the installation of connecting disc, through setting assisting assembly, when assembling joint, short pipe flange can stably support the position of connecting disc, thereby reducing the problem that nut is prone to falling and difficult to maintain the supporting effect of connecting disc when using stacked nut to support, and further improve the stability of connecting disc in the installation state.

[0015] 2、 the utility model discloses, through setting up the hoop component, when the first force screw rod is inserted into the hole of short tube flange, the support sleeve ring is pushed upwards, and the support sleeve ring pulls the clamping plate, and the support sleeve ring is set on the surface of force screw rod through the insertion hole in the process of moving, and the support sleeve ring stops pushing immediately, and the support sleeve ring stops pulling the clamping plate, and the clamping plate loses the external applied force, and under the pressure of the pressure applied by connecting rod, limit block and limit spring, the position of support sleeve ring is limited at the height after adjustment, through setting up the hoop component, the force screw rod can always keep vertical state when installing, so as to facilitate the staff to install the remaining parts on the surface of force screw rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of detachable double-flange loose sleeve force transmission joint is provided for the utility model;

[0017] Figure 2 A bottom view structural schematic diagram of detachable double-flange loose sleeve force transmission joint is provided for the utility model;

[0018] Figure 3 An assisting assembly structural schematic diagram of detachable double-flange loose sleeve force transmission joint is provided for the utility model;

[0019] Figure 4 A hoop component structural schematic diagram of detachable double-flange loose sleeve force transmission joint is provided for the utility model;

[0020] Figure 5 A hoop component structural schematic diagram of detachable double-flange loose sleeve force transmission joint is provided for the utility model; Figure 4 A structure schematic diagram of the middle A of detachable double-flange loose sleeve force transmission joint is provided for the utility model.

[0021] Legend:

[0022] 1, short tube flange;2, force screw rod;3, connecting disc;4, telescopic joint;5, assisting assembly;51, lower support frame;52, connecting frame;53, upper support frame;54, connecting arm one;55, connecting arm two;56, rotating shaft;57, linker;58, adjusting frame;6, hoop component;61, support sleeve ring;62, insertion hole;63, installation cavity;64, connecting rod;65, clamping plate;66, limit block;67, limit spring. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-5The utility model provides a technical scheme: a detachable double flange sleeve force transmission joint, including short pipe flange 1 and force transmission screw rod 2, the force transmission screw rod 2 is installed in the slot of short pipe flange 1, the outer circumference of short pipe flange 1 is equipped with connecting disc 3, and the surface of connecting disc 3 and force transmission screw rod 2 is sleeved, the outer circumference of short pipe flange 1 is equipped with expansion joint 4, and the surface of expansion joint 4 and force transmission screw rod 2 is sleeved, the upper surface of short pipe flange 1 is provided with assisting assembly 5, and the outer circumference of short pipe flange 1 is provided with hoop assembly 6.

[0024] The specific setting and function of the assisting assembly 5 and the hoop assembly 6 will be described below.

[0025] In the embodiment: the assisting assembly 5 includes a lower support frame 51, which is fixedly connected to the upper surface of the short pipe flange 1; the upper surface of the lower support frame 51 is fixedly connected with a connecting frame 52; the upper surface of the connecting frame 52 is provided with an upper support frame 53; the inner wall of the upper support frame 53 is rotatably connected with a first connecting arm 54; the inner wall of the lower support frame 51 is rotatably connected with a second connecting arm 55; the surface of the first connecting arm 54 and the second connecting arm 55 is provided with a rotating hole; the rotating hole is rotatably connected with a rotating shaft 56; the surface of the rotating shaft 56 is fixedly connected with a connecting device 57; the inner wall of the connecting frame 52 is rotatably connected with an adjusting frame 58; and the surface of the connecting device 57 and the adjusting frame 58 is threadedly connected.

[0026] Specifically, the upper support frame 53 is in contact with the lower surface of the connecting disc 3; the two ends of the first connecting arm 54 are arc-shaped; the number of the first connecting arm 54 is two; the two first connecting arms 54 are symmetrically arranged about the upper support frame 53; and the position of the connecting disc 3 can be supported in the unfolded state through the upper support frame 53, so as to ensure the stability of the connecting disc 3 during installation.

[0027] Specifically, the two ends of the second connecting arm 55 are arc-shaped; the end of the second connecting arm 55, which is away from the lower support frame 51, is in contact with the side surface of the first connecting arm 54; the number of the second connecting arm 55 is two; and the two second connecting arms 55 are symmetrically arranged about the lower support frame 51.

[0028] In the embodiment: through the cooperation of the first connecting arm 54 and the second connecting arm 55, the upper support frame 53 can be gradually unfolded upward under the operation of the staff.

[0029] Specifically, the number of the connecting device 57 is two; the two connecting devices 57 are symmetrically arranged about the adjusting frame 58; the meshing part of the adjusting frame 58 is provided with a bidirectional screw rod, so that the adjusting frame 58 can be engaged with the two connecting devices 57 during rotation, so that the two connecting devices 57 move towards each other.

[0030] In the embodiment, the hoop fixing assembly 6 comprises a supporting ring 61 which is sleeved with the outer arc surface of the short pipe flange 1, the surface of the supporting ring 61 is provided with a insertion hole 62, the inner part of the insertion hole 62 is inserted with the force screw 2, the inner arc surface of the supporting ring 61 is provided with a mounting cavity 63, the inner part of the mounting cavity 63 is slidingly connected with a connecting rod 64, the side of the connecting rod 64 close to the short pipe flange 1 is fixedly connected with a clamping plate 65 which is in contact with the outer arc surface of the short pipe flange 1, the side of the connecting rod 64 away from the clamping plate 65 is fixedly connected with a limiting block 66, the side surface of the limiting block 66 is fixedly connected with a limiting spring 67, the side of the limiting spring 67 away from the limiting block 66 is fixedly connected with the inner wall of the mounting cavity 63.

[0031] In the embodiment, the lower end of the force screw 2 can be constrained through the supporting ring 61 in the locking state, so as to ensure that the force screw 2 is always in the vertical state during the installation process.

[0032] Specifically, the number of the clamping plates 65 is multiple, the multiple clamping plates 65 are arranged in a circular array about the short pipe flange 1, the short pipe flange 1 can be clamped by the clamping plates 65 in the constraint state, so as to limit the position of the supporting ring 61.

[0033] Specifically, the limiting block 66 is slidingly connected with the inner wall of the mounting cavity 63, the number of the limiting springs 67 is two, the two limiting springs 67 are mirror arranged about the force screw 2.

[0034] In the embodiment, the position of the connecting rod 64 can be constrained through the cooperation of the limiting sleeve and the limiting block 66, so as to constrain the position of the clamping plate 65.

[0035] Working principle: when assembling the double-flange force connector, the force screw rod 2 is inserted into the hole of the short pipe flange 1, and after the preliminary installation of the force screw rod 2 is completed, the connecting disc 3 is sleeved on the force screw rod 2 and pushed down, so that the connecting disc 3 is sleeved to the surface of the short pipe flange 1, when the connecting disc 3 moves to the designated installation area, the expansion joint 4 is installed on the force screw rod 2, and the expansion joint 4 is pushed down, when the expansion joint 4 reaches the upper surface of the connecting disc 3, the other components can be fixed by means of the nut and the force screw rod 2; before installing the connecting disc 3, rotate the adjusting frame 58 clockwise, the adjusting frame 58 is engaged with the two side adapters 57, the two side adapters 57 move towards each other, and cooperate with the rotating shaft 56 to pull the connecting arm one 54 and the connecting arm two 55, the connecting arm one 54 and the connecting arm two 55 are pulled to unfold upwards, and in the process of unfolding, the upper support frame 53 is lifted, the upper support frame 53 moves upwards, when the upper support frame 53 moves to the height required by the worker, stop rotating the adjusting frame 58, and then the assisting assembly 5 can support the installed connecting disc 3, by setting the assisting assembly 5, the worker can stably support the position of the connecting disc 3 when assembling the connector, thereby reducing the problem that the nut is prone to tilting and difficult to maintain the supporting effect on the connecting disc 3 when using stacked nuts for support, and further improving the stability of the connecting disc 3 in the installed state;

[0036] In addition, when inserting the first force screw rod 2 into the hole of the short pipe flange 1, the support collar 61 is pushed upwards, the support collar 61 pulls the clamping plate 65, and the support collar 61 is sleeved on the surface of the force screw rod 2 in the process of moving through the insertion hole 62, then stop pushing the support collar 61, the support collar 61 stops pulling the clamping plate 65, the clamping plate 65 loses the external applied force, and under the action of the pressure applied by the connecting rod 64, the limiting block 66 and the limiting spring 67, the position of the support collar 61 is limited at the adjusted height, by setting the hoop assembly 6, the force screw rod 2 can always maintain a vertical state during installation, to facilitate the worker to install the remaining components on the surface of the force screw rod 2.

Claims

1. A detachable double-flange expansion coupling comprising a short pipe flange (1) and a force transmission screw (2), characterized in that: The force transmission screw (2) is installed in the slot of the short pipe flange (1), the outer circumference of the short pipe flange (1) is sleeved with the connecting disc (3), the connecting disc (3) is sleeved with the surface of the force transmission screw (2), the outer circumference of the short pipe flange (1) is sleeved with the expansion joint (4), the expansion joint (4) is sleeved with the surface of the force transmission screw (2), the upper surface of the short pipe flange (1) is provided with the auxiliary assembly (5), the auxiliary assembly (5) comprises the lower support frame (51), the lower support frame (51) is fixedly connected with the upper surface of the short pipe flange (1), the upper surface of the lower support frame (51) is fixedly connected with the connecting frame (52), the upper surface of the connecting frame (52) is provided with the upper support frame (53), the inner wall of the upper support frame (53) is rotatably connected with the connecting arm one (54), the inner wall of the lower support frame (51) is rotatably connected with the connecting arm two (55), the surface of the connecting arm one (54) and the connecting arm two (55) is provided with the rotating hole, the inner wall of the rotating hole is rotatably connected with the rotating shaft (56), the surface of the rotating shaft (56) is fixedly connected with the adapter (57), the inner wall of the connecting frame (52) is rotatably connected with the adjusting frame (58), and the surface of the adapter (57) and the adjusting frame (58) is screw-connected.

2. A detachable double-flanged expansion joint as claimed in claim 1, characterized in that: The upper support frame (53) is in contact with the lower surface of the connecting disc (3), both ends of the connecting arm one (54) are arc-shaped, the number of the connecting arm one (54) is two, and the two connecting arm ones (54) are symmetrically arranged about the upper support frame (53).

3. A detachable double-flanged expansion joint as claimed in claim 1, characterized in that: Both ends of the connecting arm two (55) are arc-shaped, the side surface of the connecting arm one (54) is in contact with the end, away from the lower support frame (51), of the connecting arm two (55), the number of the connecting arm two (55) is two, and the two connecting arm twos (55) are symmetrically arranged about the lower support frame (51).

4. A detachable double-flanged expansion joint as claimed in claim 1, characterized in that: The number of the adapter (57) is two, and the two adapters (57) are symmetrically arranged about the adjusting frame (58).

5. A detachable double-flanged expansion joint as claimed in claim 1, characterized in that: The outer circumference of the short pipe flange (1) is provided with the clamping assembly (6), the clamping assembly (6) comprises the support sleeve ring (61), the support sleeve ring (61) is sleeved with the outer arc surface of the short pipe flange (1), the surface of the support sleeve ring (61) is provided with the insertion hole (62), the force transmission screw (2) is inserted into the insertion hole (62), the inner arc surface of the support sleeve ring (61) is provided with the mounting cavity (63), the support sleeve ring (61) is slidably connected with the connecting rod (64) in the mounting cavity (63), one side of the connecting rod (64), close to the short pipe flange (1), is fixedly connected with the clamping plate (65), the clamping plate (65) is in contact with the outer arc surface of the short pipe flange (1), one side of the connecting rod (64), away from the clamping plate (65), is fixedly connected with the limiting block (66), the side surface of the limiting block (66) is fixedly connected with the limiting spring (67), and one side of the limiting spring (67), away from the limiting block (66), is fixedly connected with the inner wall of the mounting cavity (63).

6. A detachable double-flanged expansion joint as claimed in claim 5, characterized in that: The number of the clamping plates (65) is multiple, and the multiple clamping plates (65) are arranged in a circumferential array about the short pipe flange (1).

7. A detachable double-flanged expansion joint as claimed in claim 5, characterized in that: The limiting block (66) is in sliding connection with the inner wall of the mounting cavity (63), and the number of the limiting springs (67) is two, and the two limiting springs (67) are arranged in mirror image about the force transmission screw (2).

Citation Information

Patent Citations

  • Double-flange loose tube compensation joint

    CN215000054U