Thread meshing flange

Abstract

The utility model relates to the technical field of flange connection, and discloses a thread meshing flange which comprises a main flange plate, and a thread protruding block is fixedly connected to the surface of the main flange plate. Firstly, the main flange plate and the auxiliary flange plate are preliminarily connected together through threaded connection of the threaded protruding blocks, the positioning bolts penetrate through the limiting holes to further fix the main flange plate and the auxiliary flange plate, and finally the telescopic springs, the telescopic rods and the movable clamping blocks are matched with the through grooves and the positioning clamping grooves in the reinforcing base. After the movable clamping blocks are clamped into the positioning clamping grooves, the main flange plate and the auxiliary flange plate can be effectively prevented from generating relative displacement when being subjected to external force, the stability of flange plate connection is greatly improved through the design of multi-mode reinforcing, and the sealing performance of flange plate connection is guaranteed through the stable connecting structure; the problem of leakage caused by loose connection is prevented, and normal operation of a pipeline system and the like is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange connection technical field especially relates to a screw engagement flange. BACKGROUND

[0002] In the modern industrial field, pipeline systems are widely used in the transportation of various fluids such as gas, liquid, etc. Flange connection, as a key connection method in pipeline systems, plays an indispensable role in many industries such as chemical industry, petroleum, natural gas, and power. It can connect different pipelines, valves, pumps, and other equipment to form a complete fluid transportation network, ensuring the continuity and stability of the industrial production process.

[0003] Traditional flange connection methods mainly rely on the tightening action of bolts and nuts. In actual applications, pipeline systems are often affected by external factors such as vibration, pressure fluctuations, and temperature changes. For example, in chemical enterprises, pipelines may be subjected to continuous external impact due to unstable internal fluid flow, pump vibration, or pressure changes caused by chemical reactions. In this case, flanges connected only by bolts and nuts are prone to loosening. Once the flange loosens, it not only affects the sealing of the pipeline connection, leading to fluid leakage, but also may cause safety accidents such as environmental pollution, fire, and even explosion. SUMMARY

[0004] To solve the above technical problems, the utility model provides a screw engagement flange.

[0005] The utility model adopts the following technical scheme: a screw engagement flange, including main flange plate, the surface of main flange plate is fixedly connected with screw bump, main flange plate is connected with auxiliary flange plate through screw bump screw, the surface of main flange plate is fixedly connected with spring seat, the inner wall of spring seat is fixedly connected with telescopic spring, the surface of telescopic spring is fixedly connected with telescopic rod, the surface of telescopic rod is rotatably connected with movable clamping block, the surface of auxiliary flange plate is fixedly connected with reinforcing seat, the inner wall of reinforcing seat is equipped with through slot, the inner wall of reinforcing seat is equipped with positioning clamping groove.

[0006] Through the above technical scheme, the loosening of the bolts on the surface of the flange can be effectively avoided when subjected to external vibration impact. The clamping and reinforcement of the movable clamping block and the positioning clamping groove are added based on the screw connection and bolt installation, which enhances the stability of the connection and prevents the loosening of the bolts from affecting the stability of the flange connection.

[0007] As a further improvement of the above scheme, the through slot is adapted to the movable clamping block.

[0008] By the technical scheme, the movement accuracy of the movable clamping block in the reinforcing seat is ensured, the whole reinforcing connection process is facilitated, and the stability of the main flange plate and the auxiliary flange plate is improved.

[0009] As a further improvement of the above scheme, the movable clamping block is clamped with the positioning clamping groove.

[0010] By the technical scheme, the stability of the connection between the main flange plate and the auxiliary flange plate is improved, and the connection loosening is further prevented.

[0011] As a further improvement of the above scheme, the surface of the main flange plate and the auxiliary flange plate is provided with a plurality of limiting holes.

[0012] As a further improvement of the above scheme, the limiting hole is internally fixedly installed with a positioning bolt.

[0013] As a further improvement of the above scheme, the telescopic rod is matched with the reinforcing seat.

[0014] As a further improvement of the above scheme, the auxiliary flange plate is internally provided with a cavity matched with the threaded boss.

[0015] By the technical scheme, the main flange plate and the auxiliary flange plate can be effectively threadedly connected through the threaded boss.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a plurality of connection modes are combined, first, the threaded connection of threaded boss is connected together with the main flange plate and the auxiliary flange plate, and the positioning bolt further fixes the main flange plate and the auxiliary flange plate through the limiting hole, finally, through the cooperation of telescopic spring, telescopic rod and movable clamping block and the through slot and positioning clamping groove on the reinforcing seat, the connection of the main flange plate and the auxiliary flange plate is further reinforced, when the movable clamping block is clamped into the positioning clamping groove, the relative displacement of the main flange plate and the auxiliary flange plate under external force can be effectively prevented, and the stability of the flange plate connection is greatly improved through the multi-mode reinforcing design. DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the reinforcing seat of the utility model;

[0020] Figure 3The utility model discloses a structure diagram of threaded boss

[0021] Figure 4 The utility model discloses Figure 3 The utility model discloses an enlarged structure diagram of A place in the middle

[0022] Figure 5 The utility model discloses a structure diagram of movable clamping block.

[0023] Main symbol explanation:

[0024] 1, main flange plate;2, threaded boss;3, vice flange plate;4, limiting hole;5, positioning bolt;6, spring seat;7, telescopic spring;8, telescopic rod;9, movable clamping block;10, reinforcing seat;11, through slot;12, positioning clamping groove. Specific implementation

[0025] Below, combining with the specific implementation of the drawings, the utility model is further described, and it is explained that the following described each embodiment or each technical feature can be combined to form a new embodiment under the prerequisite of not conflicting.

[0026] Embodiment:

[0027] Please combine Figures 1-5 The utility model discloses a threaded engagement flange, including main flange plate 1, the surface fixed connection of main flange plate 1 has threaded boss 2, main flange plate 1 is connected with vice flange plate 3 through threaded boss 2, the surface fixed connection of main flange plate 1 has spring seat 6, the inner wall fixed connection of spring seat 6 has telescopic spring 7, the surface fixed connection of telescopic spring 7 has telescopic rod 8, the surface rotation connection of telescopic rod 8 has movable clamping block 9, the surface fixed connection of vice flange plate 3 has reinforcing seat 10, the inner wall of reinforcing seat 10 is set up with through slot 11, and the inner wall of reinforcing seat 10 is set up with positioning clamping groove 12, and the threaded boss 2 on main flange plate 1 is matched with vice flange plate 3, and the two are connected together initially through threaded connection, utilizes the spiral structure of screw thread, realizes the close connection in the rotation process, when reinforcing connection stability, personnel stretch telescopic rod 8, because telescopic rod 8 is connected with telescopic spring 7, when stretching, telescopic spring 7 is lengthened, when telescopic rod 8 moves to reinforcing seat 10 position, rotates movable clamping block 9 and makes it penetrate through through slot 11, when penetrating completely, movable clamping block 9 is made to be in the same horizontal plane with positioning clamping groove 12 again by rotating movable clamping block 9, then the tension of telescopic rod 8 is loosened, and telescopic spring 7 resets, drives telescopic rod 8 and movable clamping block 9 to contract, and movable clamping block 9 is clamped into positioning clamping groove 12, thereby further reinforcing the connection of main flange plate 1 and vice flange plate 3.

[0028] Through slot 11 is matched with movable clamping block 9, and through slot 11 is matched with movable clamping block 9 to ensure that movable clamping block 9 can smoothly penetrate in through slot 11.

[0029] The movable clamping block 9 is clamped with the positioning clamping groove 12, when the movable clamping block 9 is rotated to the same horizontal plane with the positioning clamping groove 12 and is contracted under the action of the telescopic spring 7, the clamping structure can withstand certain external force, preventing the relative displacement of the main flange plate 1 and the auxiliary flange plate 3.

[0030] The surfaces of the main flange plate 1 and the auxiliary flange plate 3 are provided with a plurality of limiting holes 4.

[0031] The limiting holes 4 are fixedly installed with positioning bolts 5, the positioning bolts 5 respectively penetrate the limiting holes 4 on the surfaces of the main flange plate 1 and the auxiliary flange plate 3, the main flange plate 1 and the auxiliary flange plate 3 are further fixed by the fastening effect of the bolts, the fastening force of the bolts can withstand certain tension and shear force, thereby ensuring the firmness of the flange plate connection.

[0032] The telescopic rod 8 is matched with the reinforcing seat 10, the telescopic rod 8 is matched with the reinforcing seat 10, ensuring that the telescopic rod 8 can accurately move to the corresponding position of the reinforcing seat 10, so as to carry out the subsequent operation of the movable clamping block 9.

[0033] The inside of the auxiliary flange plate 3 is provided with a cavity matched with the threaded boss 2, the inside of the auxiliary flange plate 3 is provided with the cavity matched with the threaded boss 2, so that the threaded boss 2 can be smoothly screwed into the auxiliary flange plate 3, realizing the threaded connection of the main flange plate 1 and the auxiliary flange plate 3.

[0034] The implementation principle of the threaded engagement flange in the embodiment of the application is as follows: first, the threaded boss 2 of the main flange plate 1 is aligned with the matched cavity provided in the inside of the auxiliary flange plate 3, then the main flange plate 1 or the auxiliary flange plate 3 is rotated, the threaded boss 2 is utilized to make the main flange plate 1 and the auxiliary flange plate 3 realize threaded connection, preliminarily connecting the two together, subsequently the positioning bolts 5 are inserted into the limiting holes 4, the positioning bolts 5 penetrate the limiting holes 4 on the surfaces of the main flange plate 1 and the auxiliary flange plate 3, the connection of the main flange plate 1 and the auxiliary flange plate 3 is further fixed by the fastening effect of the bolts, finally personnel first stretch the telescopic rod 8 in the spring seat 6 on the surface of the main flange plate 1, since the telescopic rod 8 is connected with the telescopic spring 7, the telescopic spring 7 is lengthened in the stretching process, when the telescopic rod 8 moves to the position of the reinforcing seat 10 on the surface of the auxiliary flange plate 3, the movable clamping block 9 connected with the surface of the telescopic rod 8 is rotated, the movable clamping block 9 penetrates the through slot 11 provided in the inner wall of the reinforcing seat 10, after the movable clamping block 9 completely penetrates the through slot 11, the movable clamping block 9 is rotated again, the angle of the movable clamping block 9 is in the same horizontal plane with the positioning clamping groove 12, then personnel slowly release the tension on the telescopic rod 8, under the resetting action of the telescopic spring 7, the telescopic spring 7 drives the telescopic rod 8 and the movable clamping block 9 to shrink back, so that the movable clamping block 9 can be clamped into the positioning clamping groove 12 in the inner wall of the reinforcing seat 10, thereby further enhancing the stability of the connection between the main flange plate 1 and the auxiliary flange plate 3.

[0035] The above embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and substitutions made by those skilled in the art on the basis of the present application belong to the scope of protection required by the present application.

Claims

1. A threaded flange characterized in that, The utility model relates to a flange plate locking device, including main flange plate (1), the surface fixed connection of main flange plate (1) has threaded boss (2), the surface fixed connection of main flange plate (1) has spring seat (6) through threaded boss (2) threaded connection has secondary flange plate (3), the inner wall fixed connection of spring seat (6) has telescopic spring (7), the surface fixed connection of telescopic spring (7) has telescopic rod (8), the surface rotationally connected of telescopic rod (8) has movable clamp block (9), the surface fixed connection of secondary flange plate (3) has reinforcing seat (10), the inner wall of reinforcing seat (10) is opened and has through slot (11), the inner wall of reinforcing seat (10) is opened and has location clamping groove (12).

2. A threaded flange as defined in claim 1, wherein: The through slot (11) is matched with the movable clamp block (9).

3. A threaded flange as defined in claim 1, wherein: The movable clamp block (9) is clamped with the location clamping groove (12).

4. A threaded flange as defined in claim 1, wherein: The surface of the main flange plate (1) and the secondary flange plate (3) is provided with a plurality of limiting holes (4).

5. A threaded flange engagement as defined in claim 4, wherein: The inside of the limiting hole (4) is fixedly installed with a positioning bolt (5).

6. A threaded flange as defined in claim 1 wherein: The telescopic rod (8) is matched with the reinforcing seat (10).

7. A threaded flange as defined in claim 1 wherein: The inside of the secondary flange plate (3) is provided with a cavity matched with the threaded boss (2).

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