Stainless steel butterfly-shaped sealing head for multilayer sealing

Abstract

The utility model discloses a stainless steel butterfly-shaped end socket for multilayer sealing, which comprises an end socket body, a buffer component is arranged in the end socket body, a reinforcing component is arranged between two sides of the bottom of the end socket body, and after the end socket body is fixed at one end of a pipeline, the reinforcing component is fixed on the end socket body. When the sealing head is used, fluid in a pipeline can cause certain impact on the interior of the sealing head body, at the moment, the buffer spring and the main buffer column can play a certain buffering role, part of impact force is unloaded, impact of the internal fluid on the sealing head body is reduced, and the reinforcing ring can reinforce the position, making contact with the pipeline, of the sealing head body; the seal head body is arranged on a pipeline to be installed, edge deformation of the seal head body caused by impact of internal fluid is prevented, due to the existence of the internal flow guide grooves, the fluid can spirally move along the flow guide grooves, the moving direction and speed of the fluid are changed, impact on the seal head body is further reduced, and the seal head body and the pipeline to be installed are further sealed through the seal ring. And the good sealing performance is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly heads, in particular to a stainless steel butterfly head for multi-layer sealing. Background Art

[0002] The stainless steel butterfly head is a common industrial component and is used in many occasions. It has excellent pressure resistance and can withstand higher pressure. Therefore, it is widely used in containers and equipment that need to withstand high pressure. In multi-layer seals, the butterfly head can provide good sealing performance and can effectively prevent gas or liquid leakage. Due to its tight seal and stable shape, it can ensure the stability and reliability of multi-layer seals.

[0003] The traditional spherical stainless steel electric furnace head has a relatively fixed structure and is prone to deformation during use, resulting in poor medium isolation effect;

[0004] The existing patent (publication number: CN209783298U) stainless steel electric furnace head, including an electric furnace head body, the electric furnace head body includes a spherical part and a straight cylinder part, the bottom end of the straight cylinder part is an open end, a first reinforcement structure is arranged inside the spherical part, and a second reinforcement structure is arranged inside the straight cylinder part. The first reinforcement structure includes a first plate body, a first through hole is opened in the middle of the first plate body, and the second reinforcement structure includes a second plate body, a second through hole is opened in the middle of the second plate body, and the first reinforcement structure and the second reinforcement structure are both fixed by welding. It is improved on the basis of the stainless steel electric furnace head of the prior art. Through the design of the first reinforcement structure and the second reinforcement structure, the structural strength of the spherical part and the straight cylinder part is greatly improved, and it is not easy to deform during use.

[0005] In view of the above problems, existing patents have provided solutions, but most of the existing heads are usually single structures, have poor pressure resistance, cannot be used for a long time, and the head body is subject to greater impact.

[0006] Therefore, a stainless steel butterfly head for multi-layer sealing is proposed. Utility Model Content

[0007] The utility model aims to provide a stainless steel butterfly head for multi-layer sealing, which can solve the problems that most existing heads are usually single structures, have poor pressure bearing capacity, cannot be used for a long time, and the head body is subject to greater impact.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel butterfly head for multi-layer sealing, comprising a head body, a buffer component is arranged inside the head body, and a reinforcement component is arranged between the two sides of the bottom of the head body;

[0009] The buffer assembly includes an arc-shaped buffer block, a buffer bin, a buffer spring and a main buffer column. The arc-shaped buffer block is arranged at the internal top of the head body. The buffer bin is opened in the interior of the arc-shaped buffer block and makes the interior of the arc-shaped buffer block hollow. The buffer spring is arranged in the interior of the buffer bin. The number of the buffer springs is multiple groups and the two ends of the buffer spring are fixedly connected at the top and bottom of the buffer bin. The main buffer column is arranged in the middle of the interior of the buffer bin and is made of elastic material.

[0010] Preferably, the reinforcement assembly includes a reinforcement ring, a drainage tube, a guide groove and a support ring. The reinforcement ring is fixedly arranged on the inner wall of the head body and is located below the arc-shaped buffer block. One end of the drainage tube is fixedly arranged on the bottom of the arc-shaped buffer block. The guide groove is opened on the inner wall of the drainage tube and is distributed in a spiral shape. The support ring is fixedly arranged on the inner wall of the other end of the drainage tube. The drainage tube is located at one end of the arc-shaped buffer block and fits into one side of the reinforcement ring.

[0011] Preferably, an intermediate plate is fixedly provided at the bottom of the arc-shaped buffer block, a second spring is fixedly provided at the bottom of the intermediate plate, a shock-absorbing plate is fixedly provided at the other end of the second spring, and the intermediate plate and the shock-absorbing plate are both arranged inside the drainage tube.

[0012] Preferably, the head body is an integrally formed head consisting of a spherical portion and a straight cylindrical portion, and the head body is made of stainless steel metal material.

[0013] Preferably, the shock absorbing plate is provided with air bubbles inside, and the air bubbles are evenly arranged inside the shock absorbing plate, so that the air bubbles make the inside of the shock absorbing plate present a honeycomb state.

[0014] Preferably, the diameters of the middle plate and the shock absorbing plate are both smaller than the diameter of the drainage tube, the shock absorbing plate can telescope inside the drainage tube, and the maximum elongation of the second spring is smaller than the length of the drainage tube, so that the middle plate and the shock absorbing plate will not extend out of the drainage tube.

[0015] Preferably, a buffer pad is provided at the bottom of the shock absorbing plate, and the buffer pad is tightly attached to the bottom of the shock absorbing plate and moves together with the shock absorbing plate.

[0016] Preferably, a sealing ring is arranged around the straight tube portion of the head body, the sealing ring is attached to the bottom inner wall of the straight tube portion, and the sealing ring is made of rubber.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The present application sets a buffer component and a reinforcement component. During use, after the head body is fixed to one end of the pipeline, the fluid inside the pipeline will cause a certain impact on the inside of the head body. At this time, the buffer spring and the main buffer column will play a certain buffering role, unloading part of the impact force and reducing the impact of the internal fluid on the head body. The reinforcement ring will reinforce the contact point between the head body and the pipeline to prevent the edge of the head body from deforming under the impact of the internal fluid. At the same time, when the internal fluid flows into the drainage pipe, due to the existence of the internal guide groove, the fluid will spiral along the guide groove, changing the movement direction and speed of the fluid, further reducing the impact on the head body.

[0019] 2. The present application provides a certain buffering effect on the fluid in the drainage tube by setting parts such as an intermediate plate and a shock-absorbing plate. At the same time, the bubble holes make the interior of the shock-absorbing plate present a honeycomb state, which can reduce the overall weight of the shock-absorbing plate. The maximum elongation of the second spring is less than the length of the drainage tube, so that the intermediate plate and the shock-absorbing plate will not extend out of the drainage tube, preventing the shock-absorbing plate from bending due to the impact of the internal fluid. In addition, the sealing ring will further seal the head body and the pipe to be installed to ensure its good sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is the overall structural view of the utility model;

[0022] Figure 2 This is the overall axonometric structural view of the utility model;

[0023] Figure 3 This is a structural view of the utility model as a whole from the side;

[0024] Figure 4 This is a structural view of the overall section of the utility model;

[0025] Figure 5 This is a partial structural view of the reinforcement component of the utility model.

[0026] Description of reference numerals:

[0027] 1. Head body; 2. Buffer assembly; 3. Reinforcement assembly; 201. Arc buffer block; 202. Buffer bin; 203. Buffer spring; 204. Main buffer column; 301. Reinforcement ring; 302. Drainage tube; 303. Guide groove; 304. Support ring; 4. Middle plate; 5. Second spring; 6. Shock-absorbing plate; 7. Spherical part; 8. Straight tube part; 9. Bubble hole; 10. Buffer pad; 11. Sealing ring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figures 1 to 5 , the utility model provides a technical solution:

[0030] A stainless steel butterfly head for multi-layer sealing, comprising a head body 1, a buffer component 2 is arranged inside the head body 1, and a reinforcement component 3 is arranged between two sides of the bottom of the head body 1;

[0031] The buffer assembly 2 includes an arc-shaped buffer block 201, a buffer bin 202, a buffer spring 203 and a main buffer column 204. The arc-shaped buffer block 201 is arranged at the internal top of the head body 1. The buffer bin 202 is opened inside the arc-shaped buffer block 201 and makes the interior of the arc-shaped buffer block 201 hollow. The buffer spring 203 is arranged inside the buffer bin 202. The number of buffer springs 203 is multiple groups and the two ends of the buffer spring 203 are fixedly connected at the top and bottom of the buffer bin 202. The main buffer column 204 is arranged in the middle of the buffer bin 202 and the main buffer column 204 is made of elastic material.

[0032] Specifically, Figure 1 As shown, the reinforcement assembly 3 includes a reinforcement ring 301, a drainage tube 302, a guide groove 303 and a support ring 304. The reinforcement ring 301 is fixedly arranged on the inner wall of the head body 1 and is located below the arc-shaped buffer block 201. One end of the drainage tube 302 is fixedly arranged on the bottom of the arc-shaped buffer block 201. The guide groove 303 is opened on the inner wall of the drainage tube 302 and is distributed in a spiral shape. The support ring 304 is fixedly arranged on the inner wall of the other end of the drainage tube 302. The drainage tube 302 is located at one end of the arc-shaped buffer block 201 and is in contact with one side of the reinforcement ring 301.

[0033] By setting up a buffer component 4 including an arc-shaped buffer block 201, a buffer bin 202, a buffer spring 203 and a main buffer column 204, during use, after the head body 1 is fixed to one end of the pipeline, the fluid inside the pipeline will cause a certain impact on the inside of the head body 1. At this time, the buffer spring 203 and the main buffer column 204 will play a certain buffering role, unloading a part of the impact force, and reducing the impact of the internal fluid on the head body 1. The reinforcement component 3 is set to include a reinforcement ring 301, a drainage pipe 302, a guide groove 303 and a support ring 304. When fixed, the reinforcement ring 301 will reinforce the contact area between the head body 1 and the pipeline to prevent the edge of the head body 1 from being deformed under the impact of the internal fluid. At the same time, when the internal fluid flows into the drainage pipe 302, due to the existence of the internal guide groove 303, the fluid will spiral along the guide groove 303, changing the movement direction and speed of the fluid, further reducing the impact on the head body 1.

[0034] Specifically, Figure 4 As shown, an intermediate plate 4 is fixedly provided at the bottom of the arc-shaped buffer block 201, a second spring 5 is fixedly provided at the bottom of the intermediate plate 4, a shock-absorbing plate 6 is fixedly provided at the other end of the second spring 5, and both the intermediate plate 4 and the shock-absorbing plate 6 are arranged inside the drainage tube 302.

[0035] Specifically, Figure 1 As shown, the head body 1 is an integrally formed head consisting of a spherical portion 7 and a straight cylindrical portion 8, and the head body 1 is made of stainless steel metal material.

[0036] Specifically, Figure 4 As shown, air bubbles 9 are opened inside the shock-absorbing plate 6. The air bubbles 9 are evenly arranged inside the shock-absorbing plate 6. The air bubbles 9 make the inside of the shock-absorbing plate 6 present a honeycomb state.

[0037] Specifically, Figure 4 As shown, the diameters of the middle plate 4 and the shock absorbing plate 6 are both smaller than the diameter of the drainage tube 302, the shock absorbing plate 6 can telescope inside the drainage tube 302, and the maximum elongation of the second spring 5 is smaller than the length of the drainage tube 302, so that the middle plate 4 and the shock absorbing plate 6 will not extend out of the drainage tube 302.

[0038] Specifically, Figure 4 As shown, a buffer pad 10 is provided at the bottom of the shock absorbing plate 6 , and the buffer pad 10 is tightly attached to the bottom of the shock absorbing plate 6 and moves together with the shock absorbing plate 6 .

[0039] Specifically, Figure 4 As shown, a sealing ring 11 is arranged around the straight tube portion 8 of the head body 1. The sealing ring 11 is attached to the bottom inner wall of the straight tube portion 8, and the sealing ring 11 is made of rubber.

[0040] The middle plate 4 and the shock absorbing plate 6 are provided to provide a certain buffering effect on the fluid in the drainage tube 302. At the same time, the bubble holes 9 make the interior of the shock absorbing plate 6 present a honeycomb state, which can reduce the overall weight of the shock absorbing plate 6. The maximum elongation of the second spring 5 is less than the length of the drainage tube 302, so that the middle plate 4 and the shock absorbing plate 6 will not extend out of the drainage tube 302, preventing the shock absorbing plate 6 from bending due to the impact of the internal fluid. In addition, the sealing ring 11 will further seal the head body 1 and the pipe to be installed to ensure its good sealing performance.

[0041] By adopting the above technical solution, the problems that most of the existing heads are usually single structures, have poor pressure resistance, cannot be used for a long time, and the head body 1 is subject to greater impact are solved.

[0042] Working principle: When the present application is used, firstly, during use, after the end cap body 1 is fixed to one end of the pipeline, the fluid inside the pipeline will cause a certain impact on the inside of the end cap body 1. At this time, the buffer spring 203 and the main buffer column 204 will play a certain buffering role, unloading part of the impact force, reducing the impact of the internal fluid on the end cap body 1, and the reinforcement ring 301 will reinforce the contact area between the end cap body 1 and the pipeline to prevent the edge of the end cap body 1 from being deformed under the impact of the internal fluid. At the same time, when the internal fluid flows into the drainage pipe 302, due to the existence of the internal guide groove 303, the fluid will flow along the guide groove 3 03 performs spiral motion to change the movement direction and speed of the fluid, further reducing the impact on the head body 1. The middle plate 4 and the shock-absorbing plate 6 will have a certain buffering effect on the fluid in the drainage tube 302. At the same time, the bubble holes 9 make the inside of the shock-absorbing plate 6 present a honeycomb state, which can reduce the overall weight of the shock-absorbing plate 6, and the maximum elongation of the second spring 5 is less than the length of the drainage tube 302, so that the middle plate 4 and the shock-absorbing plate 6 will not extend out of the drainage tube 302, preventing the shock-absorbing plate 6 from bending due to the impact of the internal fluid, and the sealing ring 11 will further seal the head body 1 and the pipeline to be installed to ensure its good sealing performance.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A stainless steel butterfly head for multi-layer sealing, comprising a head body (1), characterized in that: A buffer component (2) is arranged inside the sealing head body (1), and a reinforcement component (3) is arranged between two sides of the bottom of the sealing head body (1); The buffer assembly (2) comprises an arc-shaped buffer block (201), a buffer bin (202), a buffer spring (203) and a main buffer column (204); the arc-shaped buffer block (201) is arranged at the top of the head body (1); the buffer bin (202) is opened inside the arc-shaped buffer block (201) and makes the inside of the arc-shaped buffer block (201) hollow; the buffer spring (203) is arranged inside the buffer bin (202); the buffer spring (203) is provided in multiple groups and the two ends of the buffer spring (203) are fixedly connected at the top and bottom of the buffer bin (202); the main buffer column (204) is arranged in the middle of the buffer bin (202) and is made of elastic material.

2. The stainless steel butterfly head for multi-layer sealing according to claim 1, characterized in that: The reinforcement assembly (3) comprises a reinforcement ring (301), a drainage pipe (302), a guide groove (303) and a support ring (304); the reinforcement ring (301) is fixedly arranged on the inner side wall of the head body (1) and is located below the arc-shaped buffer block (201); one end of the drainage pipe (302) is fixedly arranged on the bottom of the arc-shaped buffer block (201); the guide groove (303) is opened on the inner side wall of the drainage pipe (302) and is distributed in a spiral shape; the support ring (304) is fixedly arranged on the inner side wall of the other end of the drainage pipe (302); one end of the drainage pipe (302) located on the arc-shaped buffer block (201) is in contact with one side of the reinforcement ring (301).

3. The stainless steel butterfly head for multi-layer sealing according to claim 2, characterized in that: An intermediate plate (4) is fixedly arranged at the bottom of the arc-shaped buffer block (201), a second spring (5) is fixedly arranged at the bottom of the intermediate plate (4), a shock absorbing plate (6) is fixedly arranged at the other end of the second spring (5), and both the intermediate plate (4) and the shock absorbing plate (6) are arranged inside the drainage pipe (302).

4. The stainless steel butterfly head for multi-layer sealing according to claim 1, characterized in that: The sealing head body (1) is an integrally formed sealing head consisting of a spherical portion (7) and a straight cylindrical portion (8), and the sealing head body (1) is made of stainless steel metal material.

5. The stainless steel butterfly head for multi-layer sealing according to claim 3, characterized in that: The damping plate (6) is provided with air bubbles (9) inside. The air bubbles (9) are evenly arranged inside the damping plate (6). The air bubbles (9) make the inside of the damping plate (6) present a honeycomb state.

6. The stainless steel butterfly head for multi-layer sealing according to claim 3, characterized in that: The diameters of the intermediate plate (4) and the shock absorbing plate (6) are both smaller than the diameter of the drainage tube (302); the shock absorbing plate (6) can move telescopically inside the drainage tube (302); the maximum elongation of the second spring (5) is smaller than the length of the drainage tube (302), so that the intermediate plate (4) and the shock absorbing plate (6) will not extend out of the drainage tube (302).

7. The stainless steel butterfly head for multi-layer sealing according to claim 3, characterized in that: A buffer pad (10) is provided at the bottom of the shock absorbing plate (6); the buffer pad (10) is tightly attached to the bottom of the shock absorbing plate (6) and moves together with the shock absorbing plate (6).

8. The stainless steel butterfly head for multi-layer sealing according to claim 4, characterized in that: A sealing ring (11) is arranged around the straight tube portion (8) of the sealing head body (1), and the sealing ring (11) is attached to the inner wall of the bottom of the straight tube portion (8). The sealing ring (11) is made of rubber material.

Images