CN217130384U - Ball valve fire protection device - Google Patents

Ball valve fire protection device Download PDF

Info

Publication number
CN217130384U
CN217130384U CN202122938124.2U CN202122938124U CN217130384U CN 217130384 U CN217130384 U CN 217130384U CN 202122938124 U CN202122938124 U CN 202122938124U CN 217130384 U CN217130384 U CN 217130384U
Authority
CN
China
Prior art keywords
valve
mounting groove
valve body
ball
metal block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202122938124.2U
Other languages
Chinese (zh)
Inventor
杨姚耀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qidong Alfa Valve Co ltd
Original Assignee
Qidong Alfa Valve Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qidong Alfa Valve Co ltd filed Critical Qidong Alfa Valve Co ltd
Priority to CN202122938124.2U priority Critical patent/CN217130384U/en
Application granted granted Critical
Publication of CN217130384U publication Critical patent/CN217130384U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Taps Or Cocks (AREA)

Abstract

The utility model discloses a ball valve fire protection device, which comprises a valve body, wherein a valve ball is arranged in the middle of the interior of the valve body, valve seats are arranged on two sides of the valve ball, a third mounting groove is arranged on one side of the valve seat close to the inner wall of the valve body, a clamping groove is inwards arranged in the third mounting groove, a fifth mounting groove is arranged on the inner wall of the valve body corresponding to the third mounting groove, a fourth mounting groove is inwards arranged in the fifth mounting groove, a compression spring is fixed in the fourth mounting groove, a sealing metal block positioned in the fifth mounting groove is fixed at the other end of the compression spring, a first sealing ring is fixedly connected with the other side of the sealing metal block, a clamping block fixedly connected with the sealing metal block is embedded in the first sealing ring, the first sealing ring is positioned in the third mounting groove, the clamping block is matched with the clamping groove, the utility model can push the sealing metal block to be mutually clamped with the clamping groove on the valve seat by the compression spring in the valve body after the sealing ring in the ball valve body is burnt out due to fire, and further, leakage of the ball valve can be prevented.

Description

Ball valve fire protection device
Technical Field
The utility model relates to the technical field of valves, especially, relate to ball valve fire prevention device.
Background
The ball valve is one of the valves widely used, the working principle of the ball valve is the same as that of a plug valve, the valve is opened and closed by rotating a valve core, but the ball valve is lighter than the plug valve in opening and closing, has relatively small volume and can be made into a large-diameter ball valve. The ball valve has reliable sealing, simple structure and convenient maintenance, and the sealing surface and the ball body are always in a closed state and are not easy to be eroded by a medium, thereby being widely used in the industries of petroleum, chemical industry, metallurgy and the like.
The existing ball valve fire protection device is characterized in that a sealing ring is arranged between a valve seat and a valve body to realize a sealing effect, but the sealing ring is made of non-metal materials and is easily burnt when a fire disaster happens, so that the ball valve is prevented from being leaked, and the safety of the ball valve is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a ball valve fire protection device can make the sealing washer in the ball valve burn the interior compression spring of back valve body promote sealed metal block and make the mutual block of draw-in groove on fixture block and the disk seat in the conflagration breaing out, and then can prevent that the ball valve from revealing.
In order to solve the technical problem, the utility model provides a following technical scheme: ball valve fire protection device, including the valve body, the inside middle department of valve body installs the valve ball, the both sides of valve ball all are equipped with the disk seat, the third mounting groove has been seted up to one side that is close to the valve body inner wall on the disk seat, the inside draw-in groove of inwards having seted up of third mounting groove, the fifth mounting groove has been seted up with the third mounting groove department of correspondence on the valve body inner wall, the inside fourth mounting groove of inwards having seted up of fifth mounting groove, fourth mounting groove internal fixation has compression spring, compression spring's the other end is fixed with the sealed metal block that is located the fifth mounting groove, the first sealing washer of opposite side fixed connection of sealed metal block, the inside fixture block that is equipped with sealed metal block fixed connection of first sealing washer, first sealing washer is located the third mounting groove, fixture block and draw-in groove looks adaptation.
As an optimal technical scheme of the utility model, the bottom of sealed metal block is fixed with graphite, graphite and sealed metal block all are located the fifth mounting groove, graphite and sealed metal block's assembly and third mounting groove looks adaptation.
As a preferred technical scheme of the utility model, first mounting groove has been seted up on the inner wall of valve body, the disk seat inlays to be established in first mounting groove.
As a preferred technical scheme of the utility model, be close to valve body inner wall one side on the disk seat and seted up the second mounting groove, be equipped with the second sealing washer in the second mounting groove.
As an optimal technical scheme of the utility model, be fixed with the valve rod on the valve ball in the valve body, the valve rod stretches out the outside of valve body and is connected with the handle.
As a preferred technical scheme of the utility model, the inside of valve body is equipped with the runner, the valve gap is connected to one side of valve body.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
the utility model discloses can make the sealing washer in the ball valve burn out the interior compression spring promotion of back valve body and seal the metal block and make the mutual block of draw-in groove on fixture block and the disk seat in the conflagration breaing out, and then can prevent that the ball valve from revealing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the joint between the valve body and the valve seat of the present invention;
FIG. 3 is a schematic view of a partial structure of the valve seat of the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 2 according to the present invention;
wherein: 1. a valve body; 2. a valve seat; 3. a valve ball; 4. a valve stem; 5. a handle; 6. a valve cover; 7. a flow channel; 8. a first mounting groove; 9. a second mounting groove; 10. a second seal ring; 11. a card slot; 12. a third mounting groove; 13. a fourth mounting groove; 14. a compression spring; 15. a fifth mounting groove; 16. sealing the metal block; 17. a first seal ring; 18. a clamping block; 19. graphite.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 2, 3 and 4, the utility model provides a ball valve fire protection device, which comprises a valve body 1, a valve ball 3 is installed in the middle of the interior of the valve body 1, valve seats 2 are respectively arranged on both sides of the valve ball 3, a third mounting groove 12 is arranged on one side of the valve seat 2 close to the inner wall of the valve body 1, a clamping groove 11 is arranged in the third mounting groove 12, a fifth mounting groove 15 is arranged on the inner wall of the valve body 1 corresponding to the third mounting groove 12, a fourth mounting groove 13 is arranged in the fifth mounting groove 15, a compression spring 14 is fixed in the fourth mounting groove 13, a sealing metal block 16 positioned in the fifth mounting groove 15 is fixed at the other end of the compression spring 14, a first sealing ring 17 is fixedly connected to the other side of the sealing metal block 16, a clamping block 18 fixedly connected with the sealing metal block 16 is embedded in the first sealing ring 17, the first sealing ring 17 is positioned in the third mounting groove 12, and the clamping block 18 is matched with the clamping groove 11;
when the device is used, under the normal condition, the compression spring 14 is positioned in the fourth mounting groove 13, the sealing metal block 16 is positioned in the fifth mounting groove 15 on the valve body 1, the fixture block 18 on the other side of the sealing metal block 16 is embedded in the first sealing ring 17, the first sealing ring 17 is positioned in the third mounting groove 12 on the valve seat 2, at the moment, the inside of the clamping groove 11 is in a cavity state, when a fire breaks out, the first sealing ring 17 is burnt out, the fixture block 18 embedded in the first sealing ring 17 is completely exposed, only the fixture block 18 is arranged in the third mounting groove 12, therefore, the compression spring 14 can reset to further push the sealing metal block 16 to enter the third mounting groove 12, at the moment, the fixture block 18 smoothly enters the clamping groove 11 and is clamped and connected with the clamping groove, further, the valve seat 2 and the valve body 1 can be sealed again, and the leakage condition of the valve body 1 caused by the fire can be effectively prevented.
As shown in fig. 3 and 4, graphite 19 is fixed at the bottom of the sealing metal block 16, the graphite 19 and the sealing metal block 16 are both located in the fifth installation groove 15, and the combination of the graphite 19 and the sealing metal block 16 is matched with the third installation groove 12; the flame can be effectively blocked by arranging the graphite 19 with flame-retardant property at the bottom of the sealing metal block 16.
As shown in fig. 1 and 2, a first mounting groove 8 is formed in the inner wall of the valve body 1, and the valve seat 2 is embedded in the first mounting groove 8.
As shown in fig. 2 and 3, a second mounting groove 9 is formed in one side of the valve seat 2, which is close to the inner wall of the valve body 1, and a second sealing ring 10 is arranged in the second mounting groove 9; the sealing performance of the valve body 1 in normal operation can be effectively improved by arranging the second sealing ring 10.
As shown in fig. 1, a valve rod 4 is fixed on a valve ball 3 in the valve body 1, and the valve rod 4 extends out of the valve body 1 and is connected with a handle 5.
As shown in fig. 1, a flow passage 7 is provided inside the valve body 1, and a valve cover 6 is connected to one side of the valve body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Ball valve fire protection device, including valve body (1), its characterized in that: the valve ball (3) is installed in the middle of the inside of the valve body (1), valve seats (2) are arranged on two sides of the valve ball (3), a third mounting groove (12) is formed in one side, close to the inner wall of the valve body (1), of each valve seat (2), a clamping groove (11) is formed in the corresponding third mounting groove (12), a fifth mounting groove (15) is formed in the corresponding portion of the inner wall of the valve body (1) and corresponding to the third mounting groove (12), a fourth mounting groove (13) is formed in the corresponding fifth mounting groove (15) inwards, a compression spring (14) is fixed in the fourth mounting groove (13), a sealing metal block (16) located in the fifth mounting groove (15) is fixed to the other end of the compression spring (14), a first sealing ring (17) is fixedly connected to the other side of the sealing metal block (16), and a clamping block (18) fixedly connected with the sealing metal block (16) is embedded in the first sealing ring (17), the first sealing ring (17) is located in the third mounting groove (12), and the clamping block (18) is matched with the clamping groove (11).
2. A ball valve fire protection device according to claim 1, wherein: graphite (19) are fixed to the bottom of sealed metal block (16), graphite (19) and sealed metal block (16) all are located fifth mounting groove (15), graphite (19) and the combination of sealed metal block (16) and third mounting groove (12) looks adaptation.
3. A ball valve fire protection device as defined in claim 1, wherein: the valve is characterized in that a first mounting groove (8) is formed in the inner wall of the valve body (1), and the valve seat (2) is embedded in the first mounting groove (8).
4. A ball valve fire protection device as defined in claim 1, wherein: a second mounting groove (9) is formed in one side, close to the inner wall of the valve body (1), of the valve seat (2), and a second sealing ring (10) is arranged in the second mounting groove (9).
5. A ball valve fire protection device as defined in claim 1, wherein: a valve rod (4) is fixed on a valve ball (3) in the valve body (1), and the valve rod (4) extends out of the valve body (1) and is connected with a handle (5).
6. A ball valve fire protection device as defined in claim 1, wherein: a flow channel (7) is arranged in the valve body (1), and one side of the valve body (1) is connected with a valve cover (6).
CN202122938124.2U 2021-11-27 2021-11-27 Ball valve fire protection device Expired - Fee Related CN217130384U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122938124.2U CN217130384U (en) 2021-11-27 2021-11-27 Ball valve fire protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122938124.2U CN217130384U (en) 2021-11-27 2021-11-27 Ball valve fire protection device

Publications (1)

Publication Number Publication Date
CN217130384U true CN217130384U (en) 2022-08-05

Family

ID=82617307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122938124.2U Expired - Fee Related CN217130384U (en) 2021-11-27 2021-11-27 Ball valve fire protection device

Country Status (1)

Country Link
CN (1) CN217130384U (en)

Similar Documents

Publication Publication Date Title
CN201705981U (en) High-temperature oil slurry V-shaped adjusting valve
CN111043332B (en) Metal sealed three eccentric butterfly valve
CN217130384U (en) Ball valve fire protection device
CN210566581U (en) Valve with pre-tightening spring and travel switch
CN210265976U (en) High-temperature high-pressure hard sealing ball valve for new energy industry
CN205937950U (en) Take monolith support's ball valve that valve rod blew off of preventing
CN201723755U (en) Flat gate valve for forge welding
CN201535363U (en) Tri-eccentric hard-sealed butterfly valve sealing pair structure
CN111720567B (en) Pressure balance type sleeve regulating valve core seat sealing structure
CN211574269U (en) Self-sealing stop valve
CN209762257U (en) Multi-sealing compound valve
CN212360826U (en) Stop valve
CN201858404U (en) Safety valve
CN211315200U (en) Novel combined sealed fireproof ball valve
CN206274078U (en) A kind of idle call cutoff valve with high sealing performance
CN201103716Y (en) Electric three-way valve for inlet of high pressure heater
CN213145379U (en) Lifting valve rod
CN211852847U (en) Three-sealing structure of axial flow type safety cut-off valve
CN210770627U (en) Soft sealing structure for preventing medium from permeating into packing box of lifting rod valve
CN214063878U (en) High-pressure angle check valve
CN213206575U (en) Hard sealing stop valve
CN210566395U (en) Self-locking ball valve with sealing performance
CN218845143U (en) Butterfly valve with multiple sealing structure
CN211667185U (en) Cock valve with pressure switch
CN209800846U (en) Buried valve gland

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220805

CF01 Termination of patent right due to non-payment of annual fee