CN218543378U - Air leakage prevention safety valve - Google Patents

Air leakage prevention safety valve Download PDF

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Publication number
CN218543378U
CN218543378U CN202223178010.3U CN202223178010U CN218543378U CN 218543378 U CN218543378 U CN 218543378U CN 202223178010 U CN202223178010 U CN 202223178010U CN 218543378 U CN218543378 U CN 218543378U
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China
Prior art keywords
valve
fixedly connected
valve body
block
safety valve
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CN202223178010.3U
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Chinese (zh)
Inventor
王宗魁
彭信友
彭露
蒋伟
李刚
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Yancheng Youxiwei Valve Co ltd
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Yancheng Youxiwei Valve Co ltd
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Priority to CN202223178010.3U priority Critical patent/CN218543378U/en
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Abstract

The utility model relates to a valve field just discloses a leak protection gas safety valve, which comprises a valve body, the interior diapire fixedly connected with disk seat of valve body, the inlet end has been seted up to the bottom of valve body, the end of giving vent to anger has been seted up to the upper end of valve body one side the top fixedly connected with valve gap of valve body, the valve gap top is rotated and is connected with the valve rod that extends to the valve body inside, the top fixedly connected with hand wheel of valve rod, the bottom fixedly connected with case of valve rod. This leak protection gas safety valve, after the case is complete to the inside realization of disk seat and is closed, the disk seat top can support sealed lid top and make its removal drive insert the piece and remove the card to the switch seat inside, touch switch, the realization circuit switch-on, be convenient for then start the warning light and light, be convenient for inform the staff and thoroughly close this moment, avoid continuing to rotate the hand wheel and lead to rotatory excessive and to the wearing and tearing of case, or not rotatory excessive and influence its leakproofness, guarantee that it is stable leak protection gas operation for a long time.

Description

Air leakage prevention safety valve
Technical Field
The utility model relates to a valve field specifically is an air leakage prevention safety valve.
Background
As a control component in a fluid delivery system, a valve is in great demand, and is widely used and increasingly perfect in function, wherein in a pipeline system for delivering gas, corresponding safety valves are naturally not available, and the circulation of gas in the pipeline system can be well controlled. Stopping and guiding.
In the chinese utility model patent: the novel safety valve of the authorization notice No. CN211693586U has the advantages of good tightness, convenient operation, labor saving in opening and closing and improved practicability; including body, threaded rod, upper seal piece, lower seal piece, through-hole, intake pipe, outlet duct, stopper, spring, fixed block, ball bearing and rolling disc, through-hole top and bottom middle part are provided with spacing groove and lower spacing groove respectively, go up spacing groove and keep away from through-hole one end down and all be provided with two sets of mounting grooves, and through-hole one end is kept away from in spacing groove and lower spacing groove respectively in two sets of stoppers, the top and the bottom of four sets of springs respectively with two sets of through-hole one end and four sets of are kept away from to the stopper through-hole one end fixed connection is kept away from to the mounting groove, and it is provided with the mounting hole to go up spacing groove top, and the fixed block is installed in the mounting hole, and the fixed block top is provided with mounting thread hole, and the threaded rod is installed in the mounting thread hole.
The following problems exist in the prior art:
1. the valve in the prior art is inconvenient for preventing air leakage, when a user opens and closes the valve, the valve is usually rotated through the valve rod, the valve core is easily rotated excessively, the valve core is abraded, the follow-up sealing performance is influenced, or the valve core is not rotated to the position, the optimal sealing cannot be achieved, and then the air leakage phenomenon is caused.
2. Valve among the prior art, inconvenient quick block installation, it is installed fixedly through the ring flange usually, has a plurality of bolt holes on the ring flange, often needs the staff to turn over the positive rotation and slowly aim at the hole site, and in this process, needs the staff to hand valve body or pipeline always, leads to the installation comparatively inconvenient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a leak protection gas safety valve possesses the leak protection gas of being convenient for and the quick block of being convenient for advantage such as installation, has solved the problem among the above-mentioned background art.
(II) technical scheme
For the purpose of realizing the above-mentioned leak protection gas of being convenient for and the quick block installation of being convenient for, the utility model provides a following technical scheme: the utility model provides a leak protection gas safety valve, includes the valve body, the interior diapire fixedly connected with disk seat of valve body, the inlet end has been seted up to the bottom of valve body, the end of giving vent to anger has been seted up to the upper end of valve body one side, the inlet end has the block structure with the one end swing joint of the end of giving vent to anger, the top fixedly connected with valve gap of valve body, the upper end fixedly connected with warning light of valve gap one side, the valve gap top is rotated and is connected with the valve rod that extends to the valve body inside, the top fixedly connected with hand wheel of valve rod, the bottom fixedly connected with case of valve rod, the lower extreme swing joint on valve rod surface has sealed lid, the valve rod surface swing joint on sealed lid top has the warning structure.
The warning structure comprises a fixed box, the fixed box is fixedly connected to the lower end of the surface of the valve rod, a fixed groove is formed in the fixed box, a fixed spring is fixedly connected to the inner top wall of the fixed groove, the bottom end of the fixed spring is fixedly connected with a connecting block extending to the outside of the fixed box, the bottom end of the connecting block is fixedly connected with the top end of a sealing cover, a switch seat is fixedly connected to the lower end of one side of the fixed box, a block is inserted into one side of the top end of the sealing cover, after the valve core is completely clamped and closed to the inside of the valve seat, the top end of the valve seat can abut against the top end of the sealing cover, the sealing cover is moved to drive the block to move the block into the switch seat, a circuit is switched on, the warning lamp is conveniently started to be lightened, a worker can be informed of complete closing of the valve core at the moment, and the best clamping sealing effect of the valve core is guaranteed.
Preferably, the connecting blocks are distributed at equal angles, and the bottom ends of the four connecting blocks and the top end of the sealing cover are of a welding integrated structure, so that the two connecting blocks are connected more firmly, and the mechanical strength of connection is improved.
Preferably, a limiting groove is formed in the fixed box, and limiting blocks matched with the limiting groove are fixedly connected to two sides of the connecting block, so that the connecting block can slide up and down more stably.
Preferably, constitute sliding construction between the surface of sealed lid and valve rod, and the area of sealed lid cross section is greater than the area of disk seat top opening cross section, is convenient for shelter from sealedly to the whole of disk seat top, further improves its sealed effect.
Preferably, the upper end of the surface of the valve core is fixedly connected with a sealing ring, and the sealing ring is in a circular truncated cone shape, so that the sealing ring can be clamped to the top end of the inner part of the valve seat more smoothly, and the sealing performance of the valve core clamped to the inner part of the valve seat is improved by the sealing ring.
Preferably, the block structure includes the block circle, block circle fixed connection is in the one end of inlet end and the end of giving vent to anger, and one side fixedly connected with elasticity fixture block on block circle surface, the opposite side fixedly connected with rubber circle on block circle surface clamps the block circle to outside pipeline, can make the elasticity fixture block deformation this moment, and then elasticity fixture block top can support tight outside pipeline inner wall for the valve body can tentatively fix on outside pipeline, avoids needing the loaded down with trivial details of staff handheld valve body or outside pipeline, and the staff of being convenient for is to the pore alignment operation on its two ring flange, utilizes the rubber circle simultaneously, can improve the leakproofness of block circle and outside pipeline, avoids the junction to take place gas leakage phenomenon.
Preferably, the elastic clamping block is in an inverted L shape, and the upper end of one side of the elastic clamping block is in an oblique angle, so that the circumferential area formed by one side of all the elastic clamping blocks is smaller than the inner area of the external pipeline, and the elastic clamping block is conveniently clamped on the inner wall of the external pipeline.
Preferably, the top end of the elastic clamping block is provided with an anti-slip groove, and the anti-slip groove is in a sawtooth shape, so that the contact friction force between the top end of the elastic clamping block and the inner wall of the external pipeline is further increased.
Advantageous effects
Compared with the prior art, the utility model provides a leak protection gas safety valve possesses following beneficial effect:
1. this leak protection gas safety valve, through warning structure and the warning light that sets up, utilize the sealing washer, can improve the leakproofness of case card to the inlet end inside, sealed lid can close on the disk seat top simultaneously, it is sealed to further sheltering from it, improve sealed effect, avoid gas leakage, and the case is complete to block to the inside realization of disk seat and close the back, the disk seat top can support sealed lid top, and then make sealed lid remove to drive and insert the piece and remove the card to the switch base inside, touch switch, realize the circuit switch-on, then be convenient for light the warning light start-up, be convenient for inform the staff and thoroughly close this moment, avoid continuing to rotate the hand wheel and lead to the excessive wearing and tearing to the case, or not rotatory excessive and influence its leakproofness, guarantee that it is stable leak protection gas operation for a long time, improve its practicality, thereby the problem of inconvenient leak protection gas has been solved.
2. This leak protection gas safety valve, block structure through setting up, when being connected with the outside pipeline, block circle card to the outside pipeline, can make the elastic clamping block deformation this moment, and then the elastic clamping block top can support tight outside pipeline inner wall, and utilize the antiskid groove of cockscomb structure, further increase the contact friction force of elastic clamping block top and outside pipeline inner wall, improve the connection compactness of the two block, make the valve body can tentatively fix on the outside pipeline, avoid needing the loaded down with trivial details of the handheld valve body of staff or outside pipeline, be convenient for the staff to the operation of pore alignment on its two ring flange, then the staff can carry out bolt locking installation, it is more convenient to realize the two and connect the installation, utilize the rubber circle simultaneously, can improve the leakproofness of block circle and outside pipeline, avoid the junction to take place the gas leakage phenomenon, thereby the problem of inconvenient quick block installation has been solved.
Drawings
FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic view of a three-dimensional structure of the sealing cover of the present invention;
FIG. 4 is a schematic view of a local enlarged structure of the warning structure of the present invention;
fig. 5 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: 1. a hand wheel; 2. a valve cover; 3. a valve body; 4. a warning structure; 401. a stationary box; 402. a switch base; 403. inserting a block; 404. connecting blocks; 405. a limiting block; 406. a limiting groove; 407. fixing the spring; 408. a fixing groove; 5. a sealing cover; 6. a valve seat; 7. a clamping structure; 701. a clamping ring; 702. an elastic clamping block; 703. a rubber ring; 704. an anti-slip groove; 8. an air inlet end; 9. a valve core; 10. a seal ring; 11. an air outlet end; 12. a valve stem; 13. a warning light.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The utility model provides a preferred embodiment of leak protection gas safety valve is shown in figure 1 to figure 5: the utility model provides a leak protection gas safety valve, including valve body 3, inner diapire fixedly connected with disk seat 6 of valve body 3, inlet end 8 has been seted up to the bottom of valve body 3, the end 11 of giving vent to anger has been seted up to the upper end of valve body 3 one side, inlet end 8 and the one end swing joint who gives vent to anger end 11 have block structure 7, the top fixedly connected with valve gap 2 of valve body 3, the upper end fixedly connected with warning light 13 of valve gap 2 one side, valve gap 2 top is rotated and is connected with the valve rod 12 that extends to valve body 3 inside, the top fixedly connected with hand wheel 1 of valve rod 12, the bottom fixedly connected with case 9 of valve rod 12, the lower extreme swing joint on valve rod 12 surface has sealed lid 5, the valve rod 12 surface swing joint on sealed lid 5 tops has warning structure 4.
Warning structure 4 includes fixed case 401, fixed case 401 fixed connection is at the lower extreme on valve rod 12 surface, fixed slot 408 has been seted up to fixed case 401's inside, the interior roof fixedly connected with fixed spring 407 of fixed slot 408, fixed spring 407 bottom fixedly connected with extends to the outside connecting block 404 of fixed case 401, the bottom and the sealed 5 top fixed connection of sealing cover of connecting block 404, the lower extreme fixedly connected with switch seat 402 of fixed case 401 one side, one side fixedly connected with on sealed 5 tops inserts piece 403, after valve core 9 blocks completely to the inside realization of disk seat 6 and closes, sealed 5 tops of disk seat 6 can be supported on, and then make sealed lid 5 remove to drive and insert piece 403 and remove the card to switch seat 402 inside, touch switch, realize the circuit switch-on, then be convenient for light warning light 13 starting point, be convenient for inform that the staff has thoroughly closed this moment, guarantee the sealed effect of the best block of valve core 9.
In this embodiment, connecting block 404 angular distribution such as has four, and is welding integrated structure between the bottom of four connecting blocks 404 and sealed lid 5 top, through four and sealed lid 5 top welded connecting blocks 404 for the two is connected more firmly, improves the mechanical strength of its connection.
In this embodiment, the inside spacing groove 406 of having seted up of fixed case 401, and connecting block 404 both sides fixedly connected with and spacing groove 406 matched with stopper 405 through stopper 405 in the inside slip of spacing groove 406 for connecting block 404's upper and lower slip is more steady.
In this embodiment, constitute sliding construction between the surface of sealed lid 5 and valve rod 12, and the area of sealed lid 5 cross section is greater than the area of 6 top end opening cross sections of disk seat, through setting up the great sealed lid 5 of area, is convenient for shelter from sealedly to the whole on 6 tops of disk seat, further improves its sealed effect.
In this embodiment, the upper end of the surface of the valve element 9 is fixedly connected with the sealing ring 10, the sealing ring 10 is in a circular truncated cone shape, the sealing ring 10 is arranged in the circular truncated cone shape, so that the sealing ring can be clamped to the top end inside the valve seat 6 more smoothly, and the sealing performance of the valve element 9 clamped to the inside of the valve seat 6 is improved by the sealing ring.
Example 2
On the basis of embodiment 1, the preferred embodiment of the air leakage prevention safety valve provided by the present invention is shown in fig. 1 to 5: the clamping structure 7 comprises a clamping ring 701, the clamping ring 701 is fixedly connected to one end of the air inlet end 8 and the air outlet end 11, one side of the surface of the clamping ring 701 is fixedly connected with an elastic clamping block 702, the other side of the surface of the clamping ring 701 is fixedly connected with a rubber ring 703, the clamping ring 701 is clamped to an external pipeline, the elastic clamping block 702 can deform at the moment, the top end of the elastic clamping block 702 can abut against the inner wall of the external pipeline, the valve body 3 can be preliminarily fixed on the external pipeline, the trouble that the valve body 3 or the external pipeline needs to be held by a worker is avoided, the worker can align the hole on the flange plates of the valve body and the flange plates of the valve body to operate conveniently, meanwhile, the rubber ring 703 is utilized, the sealing performance of the clamping ring 701 and the external pipeline can be improved, and the phenomenon that air leakage occurs at the joint is avoided.
In this embodiment, the elastic clamping block 702 is in an inverted L shape, and the upper end of one side of the elastic clamping block 702 is an oblique angle, so that the circumferential area formed by all the elastic clamping blocks 702 is smaller than the inner area of the external pipe, thereby facilitating the clamping of the elastic clamping block 702 to the inner wall of the external pipe.
In this embodiment, the top end of the elastic latch 702 is provided with an anti-slip groove 704, and the anti-slip groove 704 is serrated, so that the contact friction between the top end of the elastic latch 702 and the inner wall of the external pipe is further increased by using the serrated anti-slip groove 704.
When the clamping ring is used, when the clamping ring is connected with an external pipeline, the clamping ring 701 is clamped to the external pipeline, the elastic clamping block 702 can be deformed at the moment, the top end of the elastic clamping block 702 can abut against the inner wall of the external pipeline, the contact friction force between the top end of the elastic clamping block 702 and the inner wall of the external pipeline is further increased by utilizing the serrated anti-skidding grooves 704, the connection tightness of clamping the elastic clamping block 702 and the external pipeline is improved, the valve body 3 can be preliminarily fixed on the external pipeline, the trouble that a worker needs to hold the valve body 3 or the external pipeline by hand is avoided, the worker can conveniently align holes on two flange plates of the valve body to operate, then the worker can carry out bolt locking installation, meanwhile, the sealing performance of the clamping ring 701 and the external pipeline can be improved by utilizing the rubber ring 703, and the phenomenon that air leakage occurs at the connection position is avoided;
meanwhile, when the hand wheel 1 is rotated to drive the valve rod 12 to rotate, and further the valve core 9 is clamped to the inside of the air inlet end 8 to be closed, at this time, the sealing ring 10 is utilized, the sealing performance of the valve core 9 clamped to the inside of the air inlet end 8 can be improved, meanwhile, the sealing cover 5 can cover the top end of the valve seat 6 to further shield and seal the valve core, the sealing effect is improved, air leakage is avoided, and after the valve core 9 is completely clamped to the inside of the valve seat 6 to be closed, the top end of the valve seat 6 can abut against the top end of the sealing cover 5, so that the valve seat slides upwards on the surface of the valve rod 12 to drive the connecting block 404 to slide and compress the fixing spring 407, and the sealing cover 5 moves to enable the inserting block 403 to be clamped to the inside of the switch base 402, the touch switch is touched to achieve circuit connection, and then the warning lamp 13 is conveniently started to be turned on, so that a worker is informed of complete closing at this time, the valve core 9 is prevented from being excessively rotated and abraded due to continue to rotate the hand wheel 1 to cause the sealing block 404 to be excessively to drop, and then the sealing block 403 to drive the switch to be disconnected from the warning lamp 402, and then to be turned off.
To sum up, this leak protection gas safety valve, the device can improve the leakproofness after closing, and can avoid continuing to rotate hand wheel 1 and lead to the excessive rotation and to the wearing and tearing of case 9, or not rotatory excessive and influence its leakproofness, realize its leak protection gas operation, can realize the quick block installation of valve body 3 and outside pipeline simultaneously, avoid needing the loaded down with trivial details of the handheld valve body 3 of staff or outside pipeline, the staff of being convenient for is to the pore alignment operation on its two ring flanges.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (8)

1. The utility model provides a leak protection gas safety valve, includes valve body (3), its characterized in that: the inner bottom wall of the valve body (3) is fixedly connected with a valve seat (6), the bottom end of the valve body (3) is provided with an air inlet end (8), the upper end of one side of the valve body (3) is provided with an air outlet end (11), one ends of the air inlet end (8) and the air outlet end (11) are movably connected with a clamping structure (7), the top end of the valve body (3) is fixedly connected with a valve cover (2), the upper end of one side of the valve cover (2) is fixedly connected with a warning lamp (13), the top end of the valve cover (2) is rotatably connected with a valve rod (12) extending into the valve body (3), the top end of the valve rod (12) is fixedly connected with a hand wheel (1), the bottom end of the valve rod (12) is fixedly connected with a valve core (9), the lower end of the surface of the valve rod (12) is movably connected with a sealing cover (5), and the surface of the valve rod (12) at the top end of the sealing cover (5) is movably connected with a warning structure (4);
warning structure (4) are including fixed case (401), fixed case (401) fixed connection is at the lower extreme on valve rod (12) surface, fixed slot (408) have been seted up to the inside of fixed case (401), interior roof fixedly connected with fixed spring (407) of fixed slot (408), fixed spring (407) bottom fixedly connected with extends to fixed case (401) outside connecting block (404), the bottom and the sealed lid (5) top fixed connection of connecting block (404), lower extreme fixedly connected with switch seat (402) of fixed case (401) one side, block (403) are inserted to one side fixedly connected with on sealed lid (5) top.
2. An air leakage prevention safety valve as claimed in claim 1, wherein: the connecting blocks (404) are distributed with four equal angles, and the bottom ends of the four connecting blocks (404) and the top end of the sealing cover (5) are in a welding integrated structure.
3. An air leakage prevention safety valve as claimed in claim 1, wherein: the fixing box (401) on the two sides of the fixing groove (408) is internally provided with a limiting groove (406), and the two sides of the connecting block (404) are fixedly connected with limiting blocks (405) matched with the limiting groove (406).
4. An air leakage prevention safety valve according to claim 1, characterized in that: and a sliding structure is formed between the surfaces of the sealing cover (5) and the valve rod (12), and the area of the cross section of the sealing cover (5) is larger than that of the opening at the top end of the valve seat (6).
5. An air leakage prevention safety valve according to claim 1, characterized in that: the upper end of the surface of the valve core (9) is fixedly connected with a sealing ring (10), and the sealing ring (10) is in a circular truncated cone shape.
6. An air leakage prevention safety valve according to claim 1, characterized in that: the clamping structure (7) comprises a clamping ring (701), the clamping ring (701) is fixedly connected to one end of the air inlet end (8) and one end of the air outlet end (11), an elastic clamping block (702) is fixedly connected to one side of the surface of the clamping ring (701), and a rubber ring (703) is fixedly connected to the other side of the surface of the clamping ring (701).
7. An air leakage prevention safety valve according to claim 6, characterized in that: the elastic fixture block (702) is in an inverted L shape, and the upper end of one side of the elastic fixture block (702) is in an oblique angle.
8. An air leakage prevention safety valve according to claim 6, characterized in that: the top end of the elastic clamping block (702) is provided with an anti-slip groove (704), and the anti-slip groove (704) is in a sawtooth shape.
CN202223178010.3U 2022-11-28 2022-11-28 Air leakage prevention safety valve Active CN218543378U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223178010.3U CN218543378U (en) 2022-11-28 2022-11-28 Air leakage prevention safety valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223178010.3U CN218543378U (en) 2022-11-28 2022-11-28 Air leakage prevention safety valve

Publications (1)

Publication Number Publication Date
CN218543378U true CN218543378U (en) 2023-02-28

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CN202223178010.3U Active CN218543378U (en) 2022-11-28 2022-11-28 Air leakage prevention safety valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024199325A1 (en) * 2023-03-31 2024-10-03 浙江三花汽车零部件有限公司 Detection apparatus, tool, detection method, and manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024199325A1 (en) * 2023-03-31 2024-10-03 浙江三花汽车零部件有限公司 Detection apparatus, tool, detection method, and manufacturing method

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