CN213206676U

CN213206676U - Safety valve of combined valve of oil pressure device

Info

Publication number: CN213206676U
Application number: CN202022158925.2U
Authority: CN
Inventors: 胡佳; 胡子文; 贺金平
Original assignee: Wuhan Lianshengli Automatic Control Equipment Co ltd
Current assignee: Wuhan Lianshengli Automatic Control Equipment Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-14
Anticipated expiration: 2030-09-28

Abstract

The application discloses a safety valve of an oil pressure device combination valve, which comprises a rotating plate, an installation part, a bearing, a valve body, a first connecting pipe, a second connecting pipe and a connecting part, wherein the top end of a screw rod is rotatably connected with the top end of an inner cavity of the installation part through the bearing, the top end of a movable column is provided with a thread groove, and the screw rod is screwed with the thread groove; a guide groove is formed in the inner side wall of the mounting part, a guide plate is fixedly connected to the surface of the movable column, and the guide plate is clamped in the guide groove; a sealing plate is arranged at the bottom end of the movable column, the bottom end of the movable column is fixedly connected with the top end of the sealing plate, a sealing gasket is fixedly connected to the bottom end of the sealing plate, a spring is arranged at the top end of the sealing plate, and the spring is sleeved on the surface of the movable column; the screw rod can be screwed with the thread groove by rotating the screw rod, the screw rod can drive the movable column to move along the guide groove, and the movable column can be prevented from sliding by the matching between the guide groove and the guide plate, so that the position of the sealing plate in the valve body can be adjusted.

Description

Safety valve of combined valve of oil pressure device

Technical Field

The application relates to a safety valve, in particular to a safety valve of a combined valve of an oil pressure device.

Background

The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value; the safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. The injection and safety valve must be pressure tested before it can be used.

In the prior art, the safety valve is widely applied to the combined valve of the oil pressure device, the existing safety valve is inconvenient to operate when in use, meanwhile, the stability of the safety valve is general, the position of the existing safety valve is fixed when the safety valve is installed, the length compensation function is lacked, and the installation difficulty is improved. Therefore, a relief valve of a combination valve of a hydraulic device has been proposed to address the above problems.

Disclosure of Invention

The safety valve of the combined valve of the oil pressure device comprises a rotating plate, a mounting part, a bearing, a valve body, a first connecting pipe, a second connecting pipe and a connecting part;

a screw rod is arranged in the mounting part, the top end of the screw rod is rotatably connected with the top end of the inner cavity of the mounting part through the bearing, a movable column is arranged in the valve body, a thread groove is formed in the top end of the movable column, and the screw rod is in threaded connection with the thread groove; a guide groove is formed in the inner side wall of the mounting part, a guide plate is fixedly connected to the surface of the movable column, and the guide plate is clamped in the guide groove; a sealing plate is arranged at the bottom end of the movable column, the bottom end of the movable column is fixedly connected with the top end of the sealing plate, a sealing gasket is fixedly connected to the bottom end of the sealing plate, a spring is arranged at the top end of the sealing plate, and the spring is sleeved on the surface of the movable column;

the first connecting pipe is positioned on one side of the valve body, one end of the first connecting pipe is fixedly connected with the side face of the valve body, a second connecting pipe is arranged on the outer side of the first connecting pipe, and the second connecting pipe is sleeved on the surface of the first connecting pipe; a side plate is arranged on the outer side of the second connecting pipe, the side plate is fixedly connected with the surface of the second connecting pipe, and a side hole is formed in the side surface of the side plate; the second connecting pipe both sides all are equipped with the screw thread post, screw thread post one end with valve body one side rigid coupling, screw thread post outer end runs through the side opening, just screw thread post outer end spiral shell has fastening nut.

Further, the installation department is located the valve body top, connecting portion are located the valve body bottom, just the installation department connecting portion respectively with valve body top, bottom rigid coupling.

Further, the rotating plate is located at the top end of the installation portion, the bottom end of the rotating plate is fixedly connected with the top end of the screw rod, and the rotating plate is of a regular hexagon structure.

Furthermore, a first type of sealing ring is arranged at the contact position of the screw rod and the installation part, and the first type of sealing ring is sleeved on the surface of the screw rod.

Furthermore, the first connecting pipe is connected with the second connecting pipe in a sliding mode, a second type of sealing ring is arranged inside the second connecting pipe, and the second type of sealing ring is fixedly connected with the inner end wall of the second connecting pipe.

Further, the number of the guide plates is four, and the four guide plates are annularly distributed on the surface of the movable column.

The beneficial effect of this application is: the application provides a relief valve of oil pressure unit combination valve convenient to adjust and use and have length compensation function.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a diagram of a screw and a movable post according to an embodiment of the present application.

In the figure: 1. the sealing device comprises a rotating plate, 2, an installation part, 3, a valve body, 4, a connecting part, 5, a first connecting pipe, 6, a second connecting pipe, 7, a side plate, 71, a side hole, 8, a threaded column, 9, a fastening nut, 10, a bearing, 11, activated carbon particles, 12, a guide groove, 13, a screw rod, 14, a movable column, 141, a guide plate, 142, a threaded groove, 15, a spring, 16, a sealing plate, 17, a sealing gasket, 18 and a second type sealing ring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, the safety valve of the combined valve of the oil pressure device includes a rotating plate 1, a mounting portion 2, a bearing 10, a valve body 3, a first connecting pipe 5, a second connecting pipe 6 and a connecting portion 4;

a screw 13 is arranged in the mounting part 2, the top end of the screw 13 is rotatably connected with the top end of the inner cavity of the mounting part 2 through the bearing 10, a movable column 14 is arranged in the valve body 3, a thread groove 142 is formed in the top end of the movable column 14, and the screw 13 is in threaded connection with the thread groove 142; a guide groove 12 is formed in the inner side wall of the mounting part 2, a guide plate 141 is fixedly connected to the surface of the movable column 14, and the guide plate 141 is clamped in the guide groove 12; a sealing plate 16 is arranged at the bottom end of the movable column 14, the bottom end of the movable column 14 is fixedly connected with the top end of the sealing plate 16, a sealing gasket 17 is fixedly connected with the bottom end of the sealing plate 16, a spring 15 is arranged at the top end of the sealing plate 16, and the spring 15 is sleeved on the surface of the movable column 14;

the first connecting pipe 5 is positioned on one side of the valve body 3, one end of the first connecting pipe 5 is fixedly connected with the side surface of the valve body 3, a second connecting pipe 6 is arranged on the outer side of the first connecting pipe 5, and the second connecting pipe 6 is sleeved on the surface of the first connecting pipe 5; a side plate 7 is arranged on the outer side of the second connecting pipe 6, the side plate 7 is fixedly connected with the surface of the second connecting pipe 6, and a side hole 71 is formed in the side surface of the side plate 7; 6 both sides of second connecting pipe all are equipped with screw thread post 8, screw thread post 8 one end with 3 one side rigid couplings of valve body, 8 outer ends of screw thread post run through side opening 71, just 8 outer end screws of screw thread post have fastening nut 9.

The mounting part 2 is positioned at the top end of the valve body 3, the connecting part 4 is positioned at the bottom end of the valve body 3, and the mounting part 2 and the connecting part 4 are fixedly connected with the top end and the bottom end of the valve body 3 respectively, so that the mounting of the internal structure is facilitated; the rotating plate 1 is positioned at the top end of the mounting part 2, the bottom end of the rotating plate 1 is fixedly connected with the top end of the screw 13, and the rotating plate 1 is of a regular hexagon structure, so that the screw 13 is driven to rotate by the rotating plate 1; a first type of sealing ring 11 is arranged at the contact position of the screw 13 and the mounting part 2, and the first type of sealing ring 11 is sleeved on the surface of the screw 13, so that the sealing property of the mounting part 2 is enhanced; the first connecting pipe 5 is connected with the second connecting pipe 6 in a sliding manner, a second type of sealing ring 18 is arranged inside the second connecting pipe 6, and the second type of sealing ring 18 is fixed with the end wall inside the second connecting pipe 6, so that the tightness of the second connecting pipe 6 is enhanced; the number of the guide plates 141 is four, and the four guide plates 141 are annularly distributed on the surface of the movable column 14, so that the stability of the movable column 14 during movement is enhanced.

When the valve is used, the screw 13 can be driven to synchronously rotate by the rotation of the rotating plate 1, and the screw 13 is in threaded connection with the threaded groove 142, so that the screw 13 is meshed with the threaded groove 142, the movable column 14 moves along the guide groove 12 in the vertical direction, the position of the sealing plate 16 in the valve body 3 is adjusted, and the pressure in the valve body is adjusted, and the operation is simple;

then first connecting pipe 5 and second connecting pipe 6 are sliding connection, and the relative length between the two can be adjusted when second connecting pipe 6 slides to this can play the purpose of length compensation to the relief valve, and after the relief valve installation was accomplished, then fasten nut 9 spiral shell again and screw in the outer end surface of screw thread post 8, so will fix first connecting pipe 5 and second connecting pipe 6, strengthen its stability.

The application has the advantages that:

1. the screw can be screwed with the thread groove by rotating the screw, the screw can drive the movable column to move along the guide groove, and the guide groove is matched with the guide plate to prevent the movable column from sliding so as to adjust the position of the sealing plate in the valve body;

2. the first connecting pipe and the second connecting pipe are connected in a sliding mode, so that the position between the first connecting pipe and the second connecting pipe can be adjusted, and the purpose of length compensation is achieved when the safety valve is installed; simultaneously be equipped with the screw thread post in second connecting pipe both sides, can fix first connecting pipe and second connecting pipe through the cooperation of screw thread post and fastening nut, reinforcing fastness.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The relief valve of oil pressure unit combination valve, its characterized in that: the valve comprises a rotating plate (1), a mounting part (2), a bearing (10), a valve body (3), a first connecting pipe (5), a second connecting pipe (6) and a connecting part (4);

a screw rod (13) is arranged in the mounting portion (2), the top end of the screw rod (13) is rotatably connected with the top end of an inner cavity of the mounting portion (2) through the bearing (10), a movable column (14) is arranged in the valve body (3), a thread groove (142) is formed in the top end of the movable column (14), and the screw rod (13) is in threaded connection with the thread groove (142); a guide groove (12) is formed in the inner side wall of the mounting part (2), a guide plate (141) is fixedly connected to the surface of the movable column (14), and the guide plate (141) is clamped in the guide groove (12); a sealing plate (16) is arranged at the bottom end of the movable column (14), the bottom end of the movable column (14) is fixedly connected with the top end of the sealing plate (16), a sealing gasket (17) is fixedly connected with the bottom end of the sealing plate (16), a spring (15) is arranged at the top end of the sealing plate (16), and the spring (15) is sleeved on the surface of the movable column (14);

the first connecting pipe (5) is positioned on one side of the valve body (3), one end of the first connecting pipe (5) is fixedly connected with the side face of the valve body (3), a second connecting pipe (6) is arranged on the outer side of the first connecting pipe (5), and the second connecting pipe (6) is sleeved on the surface of the first connecting pipe (5); a side plate (7) is arranged on the outer side of the second connecting pipe (6), the side plate (7) is fixedly connected with the surface of the second connecting pipe (6), and a side hole (71) is formed in the side surface of the side plate (7); second connecting pipe (6) both sides all are equipped with screw thread post (8), screw thread post (8) one end with valve body (3) one side rigid coupling, screw thread post (8) outer end runs through side opening (71), just screw thread post (8) outer end spiral shell has fastening nut (9).

2. The relief valve of the oil hydraulic unit combination valve according to claim 1, characterized in that: installation department (2) are located valve body (3) top, connecting portion (4) are located valve body (3) bottom, just installation department (2) connecting portion (4) respectively with valve body (3) top, bottom rigid coupling.

3. The relief valve of the oil hydraulic unit combination valve according to claim 1, characterized in that: the rotary plate (1) is located at the top end of the mounting part (2), the bottom end of the rotary plate (1) is fixedly connected with the top end of the screw rod (13), and the rotary plate (1) is of a regular hexagon structure.

4. The relief valve of the oil hydraulic unit combination valve according to claim 1, characterized in that: the screw rod (13) with the contact department of installation department (2) is equipped with first type sealing washer (11), just first type sealing washer (11) cup joint in screw rod (13) surface.

5. The relief valve of the oil hydraulic unit combination valve according to claim 1, characterized in that: the first connecting pipe (5) is connected with the second connecting pipe (6) in a sliding mode, a second type of sealing ring (18) is arranged inside the second connecting pipe (6), and the second type of sealing ring (18) is fixedly connected with the end wall inside the second connecting pipe (6).

6. The relief valve of the oil hydraulic unit combination valve according to claim 1, characterized in that: the number of the guide plates (141) is four, and the four guide plates (141) are annularly distributed on the surface of the movable column (14).