Sealing flange of water heater

By designing a water heater sealing flange that combines clamping blocks and threaded rods, the problem of pipe leakage caused by loose bolts was solved, achieving a stable fixation of the bolts and ensuring the normal use of the water heater.

CN223953542UActive Publication Date: 2026-02-27JIANGYIN YACHANG AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202520778056.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-02-27
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

Bolts may rotate under external force, causing the flange connection to loosen, which in turn leads to water heater pipe leakage and affects normal use.

Method used

A sealing flange for a water heater was designed. By setting a combination of clamping blocks and threaded rods, the threaded rods drive the clamping blocks to move and clamp the bolts. Combined with the limiting of sliders and grooves, the fixing effect is enhanced. The bolts are further fixed by auxiliary devices such as threaded pins and springs to prevent loosening.

Benefits of technology

It effectively prevents bolts from loosening under external force, avoids water heater pipe leakage, and ensures the normal operation of the water heater.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223953542U_ABST
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Abstract

The utility model provides a sealing flange of a water heater, which relates to the technical field of flanges and comprises a flange body, a plurality of mounting grooves are uniformly arranged on one side of the flange body, a fixing device is arranged on one side of each mounting groove and comprises two extension blocks, and the extension blocks are arranged on the flange body. A mounting groove is formed in the flange body, the two extension blocks are symmetrically arranged on the two sides of the mounting groove, one side of each extension block is fixedly connected with one side of the flange body, threaded rods are connected to the inner walls of the extension blocks in a threaded mode, and clamping blocks are arranged at the ends, close to each other, of the two threaded rods. The threaded rod can drive the clamping blocks to move until the two clamping blocks completely clamp the bolt inserted into the mounting groove, auxiliary fixing can be conducted between the flange body and the bolt, the bolt can be prevented from loosening under the influence of external force, leakage of a pipeline of the water heater can be prevented, and normal use of the water heater is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field especially relates to a water heater sealing flange. BACKGROUND

[0002] The water heater sealing flan is a kind of flange that connects the end of water heater or its related pipeline, equipment together, and forms a sealed state by bolt connection to prevent medium leakage, plays a vital role in water heater system, can ensure the normal operation and safety of water heater.

[0003] When the end of pipeline is connected by flange in the related pipeline of water heater, a pair of flanges are generally used, the end of each pipeline needs to be connected with a flange, then two flanges are connected, and the connection between two flanges is mainly fixed by bolt, but if bolt rotates under the influence of external force, the connection between flanges can be loosened, and then the pipeline of water heater can be leaked, which affects the normal use of water heater. UTILITY MODEL CONTENT

[0004] The utility model discloses a water heater sealing flange to solve the problem that if bolt rotates under the influence of external force, the connection between flanges can be loosened, and then the pipeline of water heater can be leaked, which affects the normal use of water heater.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a water heater sealing flange, including flange body, the one side of flange body is evenly provided with a plurality of installation grooves, the side of installation groove is provided with fixing device, the fixing device includes two extension blocks, two extension blocks are symmetrically arranged on the two sides of installation groove, the side of extension block is fixedly connected with the side of flange body, the inner wall of extension block is connected with threaded rod in screw thread, the end of two threaded rods close to each other is provided with clamping block, the outer surface of flange is provided with auxiliary device.

[0006] The effect of the above components is that by setting two clamping blocks, under the action of two threaded rods, rotating threaded rod can drive threaded rod to stretch and contract in the inner wall of extension block, threaded rod can drive clamping block to move in the process of stretching and contracting, until two clamping blocks clamp the bolt inserted into the installation groove tightly, which can assist in fixing the flange body and bolt, prevent bolt from loosening under the influence of external force, and prevent the pipeline of water heater from leaking, which is convenient for the normal use of water heater.

[0007] Preferably, one side of the clamping block is fixedly connected with a sliding block, both sides of the mounting groove are symmetrically provided with a sliding groove, the sliding groove is arranged on one side of the flange body, and the outer surface of the sliding block is in sliding connection with the inner wall of the sliding groove.

[0008] The above-mentioned components achieve the effects that: through the sliding block and the sliding groove, when the clamping block moves under the action of the threaded rod, the clamping block drives the sliding block to synchronously slide on the inner wall of the sliding groove, and the sliding block and the sliding groove can limit and guide the clamping block.

[0009] Preferably, one end of the threaded rod is fixedly connected with a bearing, and the outer surface of the bearing is fixedly connected with the inner wall of the clamping block.

[0010] The above-mentioned components achieve the effects that: through the bearing, the friction between the threaded rod and the clamping block can be reduced when the threaded rod is rotated, so that it is more labor-saving when the threaded rod is rotated.

[0011] Preferably, the other end of the threaded rod is fixedly connected with an operation block, and the outer surface of the operation block is provided with a protrusion.

[0012] The above-mentioned components achieve the effects that: through the operation block, rotating the operation block can drive the threaded rod to rotate, and the outer surface of the operation block is provided with a protrusion, which can effectively increase the friction of the outer surface of the operation block and has the effect of preventing slipping when the operation block is rotated.

[0013] Preferably, one side of each of the two clamping blocks is fixedly connected with a rubber plate, and the rubber plate is uniformly provided with a groove on one side.

[0014] The above-mentioned components achieve the effects that: through the rubber plate provided with the groove, the friction of one side of the clamping block can be increased, so that the fixation of the two clamping plates on the bolt is more stable.

[0015] Preferably, the auxiliary device comprises a plurality of threaded pins, the outer surface of the flange is uniformly provided with a threaded hole, the inner wall of the threaded hole is in communication with the inner wall of the mounting groove, and the threaded pin is threadedly inserted into the inner wall of the threaded hole.

[0016] The above-mentioned components achieve the effects that: through the threaded pin, rotating the threaded pin so that one end of the threaded pin abuts against the outer surface of the bolt, the threaded pin can assist in fixing the bolt, and the bolt can be further prevented from loosening.

[0017] Preferably, one end of the threaded pin is fixedly connected with a rotating block, and one side of the rotating block is provided with a hexagonal groove.

[0018] The above-mentioned components achieve the effects that: through the rotating block provided with the hexagonal groove, the rotating block can be conveniently rotated by a hexagonal wrench, so that the threaded pin can be driven to rotate, and the threaded pin can completely abut against the outer surface of the bolt.

[0019] Preferably, one side of the rotating block is rotationally connected with a circular ring, the circular ring is sleeved on the outer surface of the threaded pin, one side of the circular ring is fixedly connected with a spring, and one end of the spring is fixedly connected with the outer surface of the flange body.

[0020] The above-mentioned components achieve the effects that: through the spring, the stiffness coefficient of the spring is small, mainly plays a role in connecting the threaded pin and the flange body, is beneficial to prevent the problem that the threaded pin is easy to lose after the threaded pin is separated from the threaded hole, and through the circular ring, the one side of the rotating block is fixed with the spring, is beneficial to prevent the problem that the spring is damaged due to the rotation of the spring when the rotating block rotates.

[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0022] In the utility model, through the setting of two clamping blocks, the threaded rods can drive the clamping blocks to move under the action of the two threaded rods, until the two clamping blocks clamp the bolts inserted into the installation slot tightly, then the flange body and the bolts can be fixed and assisted, which is beneficial to prevent the bolts from loosening under the influence of external force, and further beneficial to prevent the pipeline of the water heater from leaking, and convenient for normal use of the water heater. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the fixing device of the utility model;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the auxiliary device of the utility model; Figure 2

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the auxiliary device of the utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the auxiliary device of the utility model; Figure 4

[0028] Legend: 1, flange body; 2, installation slot; 3, fixing device; 31, extension block; 32, threaded rod; 33, clamping block; 34, sliding block; 35, sliding groove; 36, bearing; 37, operation block; 38, rubber plate; 4, auxiliary device; 41, threaded hole; 42, threaded pin; 43, rotating block; 44, hexagonal groove; 45, circular ring; 46, spring. DETAILED DESCRIPTION

[0029] Example 1, refer to Figures 1-3 ​​As shown, the embodiment discloses a sealing flange of a water heater, which comprises a flange body 1, a plurality of installation grooves 2 are uniformly arranged on one side of the flange body 1, and a fixing device 3 is arranged on one side of the installation groove 2. The fixing device 3 comprises two extension blocks 31 which are symmetrically arranged on the two sides of the installation groove 2, one side of the extension block 31 is fixedly connected with one side of the flange body 1, and a threaded rod 32 is threadedly connected with the inner wall of the extension block 31. The end of the two threaded rods 32 close to each other is provided with a clamping block 33. An auxiliary device 4 is arranged on the outer surface of the flange. By arranging the two clamping blocks 33, under the action of the two threaded rods 32, the threaded rod 32 is rotated, which drives the threaded rod 32 to stretch and contract in the inner wall of the extension block 31. The threaded rod 32 drives the clamping block 33 to move in the process of stretching and contracting, until the two clamping blocks 33 completely clamp the bolt inserted into the installation groove 2, so that the flange body 1 and the bolt can be fixed and assisted, which is beneficial to prevent the bolt from loosening under the influence of external force, thereby preventing the pipeline of the water heater from leaking, and facilitating the normal use of the water heater.

[0030] Referring to Figure 2 and Figure 3 As shown, one side of the clamping block 33 is fixedly connected with a sliding block 34, and the two sides of the installation groove 2 are symmetrically provided with a sliding groove 35 which is arranged on one side of the flange body 1. The outer surface of the sliding block 34 is slidably connected with the inner wall of the sliding groove 35. By arranging the sliding block 34 and the sliding groove 35, when the clamping block 33 moves under the action of the threaded rod 32, the clamping block 33 drives the sliding block 34 to synchronously slide in the inner wall of the sliding groove 35. The sliding block 34 and the sliding groove 35 can limit and guide the clamping block 33. One end of the threaded rod 32 is fixedly connected with a bearing 36, and the outer surface of the bearing 36 is fixedly connected with the inner wall of the clamping block 33. By arranging the bearing 36, the friction between the threaded rod 32 and the clamping block 33 can be reduced when the threaded rod 32 is rotated, so that it is more labor-saving when the threaded rod 32 is rotated.

[0031] Referring to Figure 2 and Figure 3 As shown, the other end of the threaded rod 32 is fixedly connected with an operating block 37, and the outer surface of the operating block 37 is provided with a protrusion. By arranging the operating block 37, rotating the operating block 37 can drive the threaded rod 32 to rotate. At the same time, the outer surface of the operating block 37 is provided with a protrusion, which can effectively increase the friction of the outer surface of the operating block 37, and has an anti-skid effect when the operating block 37 is rotated. The two clamping blocks 33 are fixedly connected with rubber plates 38 on the sides close to each other. The rubber plates 38 are uniformly provided with grooves on one side. By arranging the rubber plates 38 with grooves, the friction on one side of the clamping block 33 can be increased, so that the fixation of the two clamping plates on the bolt is more stable.

[0032] Referring to Figure 4 and Figure 5As shown, the auxiliary device 4 comprises a plurality of threaded pins 42, the outer surface of the flange is uniformly provided with screw holes 41, the inner wall of the screw hole 41 is in communication with the inner wall of the mounting groove 2, the threaded pin 42 is threadedly inserted into the inner wall of the screw hole 41, by setting the threaded pin 42, rotating the threaded pin 42, so that one end of the threaded pin 42 abuts against the outer surface of the bolt, then the threaded pin 42 can assist in fixing the bolt, which can further prevent the bolt from loosening.

[0033] Referring to Figure 4 and Figure 5 As shown, one end of the threaded pin 42 is fixedly connected with a rotating block 43, one side of the rotating block 43 is provided with a hexagonal groove 44, by setting the rotating block 43 with the hexagonal groove 44, it is convenient to rotate the rotating block 43 by a hexagonal wrench, which can further drive the threaded pin 42 to rotate, so that the threaded pin 42 completely abuts against the outer surface of the bolt; one side of the rotating block 43 is rotatably connected with a circular ring 45, the circular ring 45 is sleeved on the outer surface of the threaded pin 42, one side of the circular ring 45 is fixedly connected with a spring 46, one end of the spring 46 is fixedly connected with the outer surface of the flange body 1, by setting the spring 46, the stiffness coefficient of the spring 46 is small, which mainly plays a role in connecting between the threaded pin 42 and the flange body 1, which is beneficial to prevent the problem that the threaded pin 42 is easily lost after the threaded pin 42 is separated from the screw hole 41, and at the same time, by setting the circular ring 45, it can replace one side of the rotating block 43 to be fixed with the spring 46, which is beneficial to prevent the problem that the spring 46 is damaged when the rotating block 43 rotates.

[0034] Working principle: rotating the two operating blocks 37 drives the threaded rod 32 to rotate, which will drive the threaded rod 32 to stretch and contract in the inner wall of the extension block 31, under the limiting of the sliding block 34 and the sliding groove 35, the threaded rod 32 will drive the clamping block 33 to move during stretching and contraction, until the rubber plate 38 on one side of the two clamping blocks 33 completely clamps the bolt inserted into the mounting groove 2, then rotating the hexagonal block drives the threaded pin 42 to rotate, so that the threaded pin 42 stretches and contracts in the inner wall of the screw hole 41, the circular ring 45 will continuously extrude the spring 46, until one end of the threaded pin 42 abuts against the outer surface of the bolt, then the threaded pin 42 can assist in fixing the bolt, which can further prevent the bolt from loosening, then it can fix between the flange body 1 and the bolt, which is beneficial to prevent the bolt from loosening under the influence of external force, thereby preventing the pipeline of the water heater from leaking, and facilitating the normal use of the water heater.

Claims

1. A water heater sealing flange, comprising a flange body (1), characterized in that: The flange body (1) has several mounting slots (2) evenly distributed on one side. A fixing device (3) is provided on one side of the mounting slot (2). The fixing device (3) includes two extension blocks (31). The two extension blocks (31) are symmetrically arranged on both sides of the mounting slot (2). One side of the extension block (31) is fixedly connected to one side of the flange body (1). The inner wall of the extension block (31) is threaded with a threaded rod (32). A clamping block (33) is provided at the end of the two threaded rods (32) that are close to each other. An auxiliary device (4) is provided on the outer surface of the flange.

2. A water heater sealing flange according to claim 1, characterized in that: A slider (34) is fixedly connected to one side of the clamping block (33), and sliding grooves (35) are symmetrically arranged on both sides of the mounting groove (2). The sliding grooves (35) are opened on one side of the flange body (1), and the outer surface of the slider (34) is slidably connected to the inner wall of the sliding groove (35).

3. A water heater sealing flange according to claim 1, characterized in that: One end of the threaded rod (32) is fixedly connected to a bearing (36), and the outer surface of the bearing (36) is fixedly connected to the inner wall of the clamping block (33).

4. A water heater sealing flange according to claim 1, characterized in that: The other end of the threaded rod (32) is fixedly connected to an operating block (37), and the outer surface of the operating block (37) is provided with protrusions.

5. A water heater sealing flange according to claim 1, characterized in that: A rubber plate (38) is fixedly connected to one side of each of the two clamping blocks (33) that are close to each other, and a groove is uniformly provided on one side of the rubber plate (38).

6. A water heater sealing flange according to claim 1, characterized in that: The auxiliary device (4) includes several threaded pins (42), and the outer surface of the flange is uniformly provided with threaded holes (41). The inner wall of the threaded hole (41) block is connected to the inner wall of the mounting groove (2), and the threaded pin (42) is threaded into the inner wall of the threaded hole (41).

7. A water heater sealing flange according to claim 6, characterized in that: One end of the threaded pin (42) is fixedly connected to a rotating block (43), and a hexagonal groove (44) is provided on one side of the rotating block (43).

8. A water heater sealing flange according to claim 7, characterized in that: A ring (45) is rotatably connected to one side of the rotating block (43). The ring (45) is sleeved on the outer surface of the threaded pin (42). A spring (46) is fixedly connected to one side of the ring (45). One end of the spring (46) is fixedly connected to the outer surface of the flange body (1).