CN211501790U - Connecting device of hardware safety valve - Google Patents

Abstract

The utility model discloses a connecting device of five metals relief valve, including valve body and valve body mount pad, the fastener has been cup jointed on the valve body surface, and fastener one end is provided with first external screw thread, valve body one end is provided with the second external screw thread. The utility model discloses in, be provided with the external screw thread in the one end of valve body, external screw thread and the inside internal thread threaded connection of valve body mount pad through valve body one end, it is fixed with the valve body mount pad to make the valve body, the fastener has been cup jointed on the surface of valve body simultaneously, and the one end of fastener is provided with the external screw thread, the internal thread has been seted up on the one end surface of valve body mount pad simultaneously, the internal thread of external screw thread and valve body mount pad one end through fastener one end, it is fixed with valve body mount pad secondary to go on, thereby the stability between valve body and the valve body mount pad has been increased, be provided with seal ring simultaneously between fastener and valve body mount pad, prevent to appear the space.

Description

Connecting device of hardware safety valve

Technical Field

The utility model relates to a relief valve technical field especially relates to a connecting device of five metals relief valve.

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 safety valve must be pressure tested before it can be used. The safety valve needs to be connected with the valve body mounting seat when in use.

The existing safety valve connection mode is generally connected in a threaded mode, the threaded connection mode is simple and convenient, but if the safety valve connection mode is only threaded in one direction, shaking can be avoided for a long time to influence normal work, in addition, the existing safety valve connection mode is generally only one, the safety valve connection device does not have guarantee, and the hardware safety valve connection device is specially provided according to the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a connecting device of a hardware safety valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a connecting device of five metals relief valve, includes valve body and valve body mount pad, the fastener has been cup jointed on the valve body surface, and fastener one end is provided with first external screw thread, valve body one end is provided with the second external screw thread, the draw-in groove has been seted up to valve body surface position in second external screw thread one side.

Preferably, a second internal thread is arranged at one end inside the valve body mounting seat, a first internal thread is formed in the surface of one end of the valve body mounting seat, the diameter of the inner side of the second internal thread is equal to the diameter of the outer side of the second external thread, and the diameter of the inner side of the first internal thread is equal to the diameter of the outer side of the first external thread.

Preferably, the surface of the valve body mounting seat is provided with a clamping mechanism, and the surface of the valve body mounting seat is positioned on two sides of the clamping mechanism and is respectively provided with a first sealing bearing and a second sealing bearing.

Preferably, the clamping mechanism is internally provided with a groove, the bottom end inside the groove is fixedly provided with an extrusion spring, the top end of the extrusion spring is provided with a plurality of clamping blocks, and the clamping blocks are arranged inside the clamping mechanism in an encircling mode at equal intervals.

Preferably, the groove is internally provided with a circular structure, the cross section of one end of the fixture block is of a circular structure, and the diameter of the circular outer side of one end of the fixture block is equal to the diameter of the inner side of the groove.

Preferably, a through hole is formed in the fastener, and the diameter of the inner side of the through hole is equal to the diameter of the outer side of one end of the valve body.

Preferably, a sealing gasket is arranged between the fastener and the valve body mounting seat.

Compared with the prior art, the utility model has the advantages that;

1. the utility model discloses, one end at the valve body is provided with the external screw thread, external screw thread and the inside internal thread threaded connection of valve body mount pad through valve body one end, it is fixed with the valve body mount pad to make the valve body, the fastener has been cup jointed on the surface of valve body simultaneously, and the one end of fastener is provided with the external screw thread, the internal thread has been seted up on the one end surface of valve body mount pad simultaneously, external screw thread and the internal thread connection of valve body mount pad one end through fastener one end, it is fixed with valve body mount pad secondary to go on, thereby the stability between valve body and the valve body mount pad has been increased, be provided with seal ring simultaneously between fastener and valve body mount pad, prevent the space from appearing.

2. The utility model discloses, the draw-in groove has been seted up on the valve body surface, simultaneously at the inside latch mechanism who cooperates the draw-in groove to use that is provided with of valve body mount pad, the inside recess that is provided with of latch mechanism, and extrusion spring one end is fixed with the fixture block, simultaneously install two sealed bearings respectively in latch mechanism's both sides, latch mechanism passes through two sealed bearing's rotation, make the fixture block combine together with the draw-in groove, thereby fix valve body and valve body mount pad, prevent appearing rocking between valve body and the valve body mount pad, when valve body and the separation of valve body mount pad, only need hard rotatory latch mechanism the fixture block with the draw-in groove separation can, convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of a connecting device of a hardware safety valve provided by the present invention;

fig. 2 is a schematic view of a valve body of a connecting device of a hardware safety valve provided by the present invention;

fig. 3 is a schematic view of a valve body mounting seat of a connecting device of a hardware safety valve provided by the present invention;

fig. 4 is a schematic view of a fastener of a connecting device of a hardware safety valve provided by the present invention;

fig. 5 is the utility model provides a connecting device fixture block schematic diagram of five metals relief valve.

Illustration of the drawings:

1. a valve body; 2. a fastener; 3. a first external thread; 4. a valve body mounting seat; 5. a first sealed bearing; 6. a clamping mechanism; 7. a second sealed bearing; 8. a sealing gasket; 9. a card slot; 10. a second external thread; 11. a first internal thread; 12. a second internal thread; 13. a through hole; 14. a clamping block; 15. a compression spring; 16. and (4) a groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a connecting device for a hardware safety valve includes a valve body 1 and a valve body mounting seat 4, a fastening member 2 is sleeved on the surface of the valve body 1, a first external thread 3 is arranged at one end of the fastening member 2, a second external thread 10 is arranged at one end of the valve body 1, and a clamping groove 9 is formed in one side, located at the second external thread 10, of the surface of the valve body 1.

A second internal thread 12 is arranged at one end inside a valve body mounting seat 4, a first internal thread 11 is arranged on the surface of one end of the valve body mounting seat 4, the diameter of the inner side of the second internal thread 12 is equal to the diameter of the outer side of a second external thread 10, the diameter of the inner side of the first internal thread 11 is equal to the diameter of the outer side of a first external thread 3, a clamping mechanism 6 is arranged on the surface of the valve body mounting seat 4, a first sealing bearing 5 and a second sealing bearing 7 are respectively arranged on two sides of the clamping mechanism 6 on the surface of the valve body mounting seat 4, a groove 16 is arranged inside the clamping mechanism 6, an extrusion spring 15 is fixed at the bottom end inside the groove 16, a clamping block 14 is arranged at the top end of the extrusion spring 15, a plurality of clamping blocks 14 are arranged, the plurality of clamping blocks 14 are arranged inside the clamping mechanism 6 in a surrounding mode at equal intervals, through-hole 13 has been seted up to fastener 2 inside, and the inboard diameter of through-hole 13 equals with the outside diameter of valve body 1 one end, is provided with seal ring 8 between fastener 2 and the valve body mount pad 4.

The second external thread 10 is in threaded connection with the second internal thread 12, and the first external thread 3 is in threaded connection with the first internal thread 11.

The working principle is as follows: when the safety valve is used, whether each part on the safety valve is complete is firstly checked, then a second external thread 10 at one end of the valve body 1 is in threaded connection with a second internal thread 12 inside the valve body mounting seat 4, the valve body 1 is fixed with the valve body mounting seat 4, meanwhile, the surface of the valve body 1 is sleeved with the fastening piece 2, one end of the fastening piece 2 is provided with the first external thread 3, meanwhile, the surface of one end of the valve body mounting seat 4 is provided with the first internal thread 11, the first external thread 3 at one end of the fastening piece 2 is connected with the first internal thread 11 on the surface of the valve body mounting seat 4, the valve body 1 and the valve body mounting seat 4 are secondarily fixed, therefore, the stability between the valve body 1 and the valve body mounting seat 4 is increased, meanwhile, the sealing washer 8 is arranged between the fastening piece 2 and the valve body mounting seat 4, the gap between the fastening piece 2 and, and at the inside latch mechanism 6 that is provided with cooperation draw-in groove 9 and uses of valve body mount pad 4, the inside recess 16 that is provided with of latch mechanism 6, the inside bottom of recess 16 is provided with extrusion spring 15, and 15 one ends of extrusion spring are fixed with fixture block 14, install two sealed bearings respectively in latch mechanism 6's both sides simultaneously, latch mechanism 6 is through the rotation of two sealed bearings, make fixture block 14 combine together with draw-in groove 9, thereby fix valve body 1 and valve body mount pad 4, prevent to appear rocking between valve body 1 and the valve body mount pad 4, when valve body 1 and valve body mount pad 4 separation, only need hard rotatory latch mechanism 6 to fixture block 14 and draw-in groove 9 separation can, convenient operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a connecting device of five metals relief valve, includes valve body (1) and valve body mount pad (4), its characterized in that, fastener (2) have been cup jointed on valve body (1) surface, and fastener (2) one end is provided with first external screw thread (3), valve body (1) one end is provided with second external screw thread (10), draw-in groove (9) have been seted up to valve body (1) surface position in second external screw thread (10) one side.

2. The connecting device of a hardware safety valve according to claim 1, wherein a second internal thread (12) is arranged at one end inside the valve body mounting seat (4), a first internal thread (11) is arranged on one end surface of the valve body mounting seat (4), the inside diameter of the second internal thread (12) is equal to the outside diameter of the second external thread (10), and the inside diameter of the first internal thread (11) is equal to the outside diameter of the first external thread (3).

3. A connecting device of a hardware safety valve according to claim 1, characterized in that the surface of the valve body mounting seat (4) is provided with a clamping mechanism (6), and a first sealing bearing (5) and a second sealing bearing (7) are respectively installed on the surface of the valve body mounting seat (4) at two sides of the clamping mechanism (6).

4. A hardware safety valve connecting device according to claim 3, wherein a groove (16) is formed in the clamping mechanism (6), a pressing spring (15) is fixed at the bottom end inside the groove (16), a plurality of clamping blocks (14) are arranged at the top end of the pressing spring (15), and the plurality of clamping blocks (14) are equidistantly and circumferentially installed inside the clamping mechanism (6).

5. A hardware safety valve connecting device according to claim 4, characterized in that the inside of the groove (16) is of a circular structure, the cross section of one end of the fixture block (14) is of a circular structure, and the diameter of the circular outer side of one end of the fixture block (14) is equal to the diameter of the inner side of the groove (16).

6. A connecting device of a hardware safety valve according to claim 1, characterized in that the fastener (2) is internally provided with a through hole (13), and the inside diameter of the through hole (13) is equal to the outside diameter of one end of the valve body (1).

7. A hardware safety valve connection device according to claim 1, characterized in that a sealing washer (8) is arranged between the fastener (2) and the valve body mounting seat (4).

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