CN219082350U

CN219082350U - Outer guide type gas pressure regulating device

Info

Publication number: CN219082350U
Application number: CN202223547724.7U
Authority: CN
Inventors: 李红帅; 黄斌; 袁泓杉
Original assignee: Deyang Dixinjia Valve Manufacture Co ltd
Current assignee: Deyang Dixinjia Valve Manufacture Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-26
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses an external guide type gas pressure regulating device which comprises a valve body, wherein a bottom cover is arranged at the upper part of the valve body, a diaphragm is arranged in the middle of the bottom cover, a top cover is arranged at the upper end of the bottom cover, guide grooves and a plurality of limiting holes are formed in the end face of the upper end of the bottom cover, the guide grooves are matched with limiting plates at the lower ends of the left side and the right side of the top cover, the limiting holes are matched with threaded holes in the front side and the rear side of the top cover, the top cover is provided with a first spring for pressing the diaphragm, one side, close to the first spring, of the diaphragm is provided with a bearing plate, one side, close to the first spring, of the bearing plate is provided with a positioning part, the positioning part is matched with a positioning block at the bottom of the first spring, the positioning part is provided with a limiting device, and a first through hole on the positioning block is matched with a second through hole on the positioning part; the device provides a valve body upper portion of convenient dismantlement, makes things convenient for the staff to overhaul, maintain and change spare part.

Description

Outer guide type gas pressure regulating device

Technical Field

The utility model relates to the field of pressure regulating valves, in particular to an external guide type gas pressure regulating device.

Background

The gas pressure regulating valve is a device for automatically changing the gas flow rate through the regulating valve to maintain a predetermined pressure of the outlet gas; a gas pressure regulating valve is a device that maintains a stable downstream pressure regardless of the variation in the flow rate of gas and the upstream pressure.

Chinese patent document CN216447495U discloses a gas pressure regulating valve, including the valve body, and set up the valve port of ventilating in the valve body and be used for opening and close the valve disc structure of valve port of ventilating, and set up the pressure regulating structure that is used for adjusting valve disc structure pressure in the valve body, pressure regulating structure includes the regulation carousel that the activity set up in the valve body and valve disc structure are relative from top to bottom, and set up the pressure regulating first spring between regulation carousel and valve disc structure, and wear to establish the regulation pole on valve body and regulation carousel, regulation pole links to each other with regulation carousel screw thread, drive regulation carousel is close to or keeps away from valve disc structure when adjusting the pole and rotate.

However, this gas pressure regulating device has the following problems:

as can be seen from fig. 1 of the document, the fixing between the top cover and the bottom cover at the upper part of the valve body requires a great number of screws, which is very inconvenient for the maintenance of the staff, and if the staff needs to replace the first spring with fatigue failure, the screws need to be detached completely first, so that the parts inside the screws can be overhauled, maintained or replaced, and the working efficiency of the staff is seriously reduced.

Disclosure of Invention

The utility model aims to provide an external guide type gas pressure regulating device so as to solve the problem that a top cover and a bottom cover at the upper part of a valve body are inconvenient to detach.

In order to solve the technical problems, the utility model provides an external guide type gas pressure regulating device which comprises a valve body, wherein a bottom cover is arranged at the upper part of the valve body, a diaphragm is arranged in the middle of the bottom cover, a top cover is arranged at the upper end of the bottom cover, a guide groove and a plurality of limiting holes are formed in the end face of the upper end of the bottom cover, the guide groove is matched with limiting plates at the lower ends of the left side and the right side of the top cover, the limiting holes are matched with threaded holes at the front side and the rear side of the top cover, a first spring for pressing the diaphragm is arranged on the top cover, a bearing plate is arranged at one side, close to the first spring, of the diaphragm, a positioning part is arranged at one side, close to the first spring, of the bearing plate, the positioning part is matched with a positioning block at the bottom of the first spring, the positioning part is provided with a limiting device, a first through hole in the positioning block is matched with a second through hole in the positioning part, and the lower end of the bottom cover is connected with a gas outlet of the valve body through a guide pipe.

Further, the limiting device adopts an electromagnet device.

Further, the guide groove is an inverted T-shaped groove.

Further, the top cap upper end is provided with the cover, the cover upper end is provided with the protective housing, protective housing and cover threaded connection.

Further, an adjusting rod is arranged at the top of the first spring, penetrates through the cylinder cover, and is in threaded connection with the cylinder cover.

Further, the top of the adjusting rod is provided with a rotating handle, the rotating handle is in threaded connection with the cylinder cover, and the bottom of the rotating handle is matched with the non-circular groove on the top of the adjusting rod.

Further, a first sealing ring is arranged at the joint of the cylinder cover and the protective shell.

Further, the top cover and the cylinder cover are in threaded connection, and a second sealing ring is arranged at the joint of the top cover and the cylinder cover.

The beneficial effects of the utility model are as follows:

1. the utility model provides a convenient valve body upper portion of dismantling of outer guide formula gas pressure regulating device, at first cooperates with the limiting plate of top cap both sides lower extreme through the guide slot on the end cover of valve body upper portion, then combines together through the spacing hole on the end cover of valve body upper portion and the first stop device of top cap both sides lower extreme, just has accomplished the complete spacing to top cap and bottom, makes things convenient for the staff to overhaul, maintains and change spare part.

2. The utility model provides an outer guide formula gas pressure regulating device is provided with the rotation handle on adjusting the pole to set up the protective housing on the cover, the setting of rotation handle makes things convenient for the staff to adjust the regulation of adjusting the pole, no longer just can rotate the pole like prior art needs the staff to carry alone and the instrument that corresponds.

Drawings

Fig. 1 is a schematic sectional view of an external guide type gas pressure regulating device.

Fig. 2 is a schematic sectional perspective view of an external guide type gas pressure regulating device.

FIG. 3 is a schematic diagram of a limiting device.

FIG. 4 is a schematic cross-sectional view of the restriction device.

Wherein: 1. a valve body; 11. an air inlet; 12. an air outlet; 13. a valve port; 14. a valve core; 22. an adjusting rod; 24. rotating the handle; 25. a first seal ring; 26. a second seal ring; 3. a bottom cover; 31. a guide groove; 32. a limiting hole; 33. a sealing gasket; 4. a membrane; 5. a top cover; 51. a limiting plate; 52. a threaded hole; 54. a cylinder cover; 55. a protective shell; 6. a balancing cavity; 61. a conduit; 7. a regulating chamber; 8. a first spring; 81. a positioning block; 810. a first through hole; 9. a force bearing plate; 91. a positioning member; 911. a limiting device; 921. an electromagnet device; 931. a coil; 932. a second spring; 933. iron blocks; 934. a wireless signal receiver; 935. a battery; 936. a mounting shell; 937. an iron rod; 910. and a second through hole.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only one embodiment of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and specific embodiments.

In the following description, references to "one embodiment," "an embodiment," "one example," "an example," etc., indicate that the embodiment or example so described may include a particular feature, structure, characteristic, property, element, or limitation, but every embodiment or example does not necessarily include the particular feature, structure, characteristic, property, element, or limitation. In addition, repeated use of the phrase "according to an embodiment of the present application" does not necessarily refer to the same embodiment, although it may.

As shown in fig. 1 and 2, the utility model provides an external guide type gas pressure regulating device, which comprises a valve body 1, wherein an air inlet 11 and an air outlet 12 are arranged at two sides of the valve body 1, a valve port 13 and a valve core 14 matched with the valve port 13 for regulating pressure are arranged in the valve body 1, a bottom cover 3 and a top cover 5 are sequentially arranged at the upper part of the valve body 1, a diaphragm 4 is arranged in the middle of the bottom cover 3, the diaphragm 4 is connected with the bottom cover 3 by adopting a screw, the bottom cover 3 and the top cover 5 are detachably connected, a guide groove 31 and a plurality of limiting holes 32 are arranged at the upper end of the bottom cover 3, and a sealing gasket 33 is arranged on the bottom cover 3 and used for ensuring the tightness of the joint of the bottom cover 3 and the top cover 5; the guide groove 31 is matched with limit plates 51 at the lower ends of the left side and the right side of the top cover 5, and the limit holes 32 are matched with threaded holes 52 at the front side and the rear side of the top cover 5.

The diaphragm 4 divides the upper part of the valve body 1 into a balance cavity 6 and an adjusting cavity 7, the balance cavity 6 and an air outlet 12 are connected through a guide pipe 61, a first spring 8 for pressing the diaphragm 4 is arranged in the adjusting cavity 7, a bearing plate 9 is arranged on one side of the diaphragm 4, which is close to the first spring 8, a positioning part 91 is arranged on one side of the bearing plate 9, which is close to the first spring 8, the positioning part 91 corresponds to a positioning block 81 at the bottom of the first spring 8, the positioning part 91 is provided with a limiting device 911, and a second through hole 910 on the positioning part 91 is matched with the limiting device 911.

As shown in fig. 3, the limiting device 911 adopts an electromagnet device 921, the electromagnet device 921 includes an iron rod 937, a second spring 932, an iron block 933 and a battery 935, one end of the second spring 932 is fixedly connected with the iron rod 937, the other end of the second spring 932 is connected with the iron block 933, the iron block 933 is fixedly connected with one side of the inside of the positioning plate, the battery 935 is electrically connected with a coil 931, a wireless signal receiver 934 is connected between the battery 935 and the coil 931, the wireless signal receiver 934 is PIC16F877, the wireless signal receiver 934 is responsible for opening and closing the electromagnet device 921, the battery 935, the coil 931 and the wireless signal receiver 934 are directly mounted in a mounting shell 936, and the mounting shell 936 is integrally formed, so that tightness and safety are ensured.

The guide groove 31 is an inverted T-shaped groove, and limiting of the top cover 5 is achieved.

The top of the first spring 8 is fixedly connected with the adjusting rod 22, the top of the top cover 5 is in threaded connection with the cylinder cover 54, the second sealing ring 26 is arranged at the top of the top cover 5 and the inner side top of the cylinder cover 54, the tightness of the top cover 5 is guaranteed, the adjusting rod 22 penetrates through the cylinder cover 54, and the adjusting rod 22 is in threaded connection with the cylinder cover 54.

The top of adjusting lever 22 is provided with non-circular groove, and the top of adjusting lever 22 is connected with the bottom of turning handle 24, and non-circular groove cooperatees with the bottom of turning handle 24, and the setting of turning handle 24 makes things convenient for the staff to adjust adjusting lever 22, no longer just can realize the pressure regulating like prior art needs the staff to carry the instrument that corresponds alone and just can rotate adjusting lever 22.

The cover 54 upper end is provided with protective housing 55, protective housing 55 and cover 54 threaded connection, and protection rotates handle 24 and is not damaged and rotate by the foreign matter in the environment, and protective housing 55 and cover 54 junction is provided with first sealing ring 25.

The protective housing 55 is screwed with the rotary handle 24, so that the problem that the rotary handle 24 is reversed due to the fact that the rotary handle 24 applies pressure to the first spring 8 can be prevented, and stability of the adjusting rod is guaranteed.

The installation flow comprises the following steps: the staff pushes the top cover 5 to a specified position along the limit groove, then screws penetrate through the limit holes 32 and the threaded holes 52 on the front side and the rear side of the top cover 5, the top cover 5 is fixedly connected with the bottom cover 3, then the rotating handle 24 is adjusted to convey the positioning block 81 to the positioning part 91, then the electromagnet device 921 is closed, the iron rod 937 penetrates through the first through hole 810 on the positioning block 81 to enter the second through hole 910 of the positioning part 91, the connection between the adjusting mechanism and the membrane 4 is completed, and the installation is completed.

The working flow is as follows: when the maintenance needs to be disassembled, the worker starts the electromagnet device 921 first, the iron rod 937 contracts to the electromagnet device 921 along with the second spring 932, the iron rod 937 is separated from the first through hole 810 and the second through hole 910, the separation of the adjusting mechanism and the diaphragm 4 is completed, then the rotating handle 24 is adjusted to adjust the positioning block 81 to be separated from the positioning part 91, then the screws of the threaded holes 52 positioned at the front side and the rear side of the limiting hole 32 and the top cover 5 are taken out, the top cover 5 is taken down, and the worker can maintain or replace the upper part of the valve body 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An outer guide type gas pressure regulating device is characterized in that: including the valve body, valve body upper portion is provided with the bottom, the bottom middle part is provided with the diaphragm, the bottom upper end is provided with the top cap, bottom upper end terminal surface is equipped with guide slot and a plurality of spacing hole, the limiting plate cooperation of guide slot and top cap left and right sides lower extreme, the screw hole of both sides cooperatees around spacing hole and the top cap, the top cap is provided with the first spring that supports the pressure diaphragm, one side that the diaphragm is close to first spring sets up the bearing plate, one side that the bearing plate is close to first spring is provided with locating part, locating part cooperatees with the locating piece of first spring bottom, the locating part is provided with stop device, first through-hole on the locating part cooperatees with the second through-hole on the locating part, the gas outlet of bottom lower extreme and valve body passes through the pipe connection.

2. The pilot gas pressure regulating device of claim 1, wherein: the limiting device adopts an electromagnet device.

3. The pilot gas pressure regulating device of claim 1, wherein: the guide groove is an inverted T-shaped groove.

4. The pilot gas pressure regulating device of claim 1, wherein: the top cap upper end is provided with the cover, the cover upper end is provided with the protective housing, protective housing and cover threaded connection.

5. The pilot gas pressure regulating device of claim 4, wherein: the top of the first spring is provided with an adjusting rod, the adjusting rod penetrates through the cylinder cover, and the adjusting rod is in threaded connection with the cylinder cover.

6. The pilot gas pressure regulating device of claim 5, wherein: the top of the adjusting rod is provided with a rotating handle, the rotating handle is in threaded connection with the cylinder cover, and the bottom of the rotating handle is matched with the non-circular groove on the top of the adjusting rod.

7. The pilot gas pressure regulating device of claim 6, wherein: the junction of cover and protective housing is provided with first sealing ring.

8. The pilot gas pressure regulating device of claim 4, wherein: the top cover and the cylinder cover are in threaded connection, and a second sealing ring is arranged at the joint of the top cover and the cylinder cover.