CN219529940U - Sealing device of regulating valve - Google Patents

Abstract

The utility model discloses a regulating valve sealing device, which belongs to the technical field of regulating valves and comprises a regulating component and a valve seat, wherein sealing components are arranged at two ends of the valve seat, the sealing components comprise a first connecting piece, the first connecting piece is connected with one end of the valve seat, a rubber ring groove is formed in one end of the first connecting piece, a sealing rubber ring is arranged in the rubber ring groove, a second connecting piece is arranged at one end of the first connecting piece, clamping blocks are symmetrically connected at two ends of the second connecting piece, clamping grooves are formed at one end of the first connecting piece, locking bolts symmetrically penetrate through one end of the first connecting piece, and one end of each locking bolt penetrates through the clamping blocks. The utility model has the advantages of reducing the possibility of loosening when the device is connected, reducing the gap between the connecting pieces, improving the tightness and stability when the regulating valve is connected, eliminating the potential safety hazard of improper pressure adjustment and being convenient to use.

Description

Sealing device of regulating valve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a sealing device of a regulating valve.

Background

In the field of industrial automation process control, the regulating valve is also called a control valve, and a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like by power operation is realized by receiving a control signal output by a regulating control unit.

The utility model of Chinese patent application number CN201922366232.X discloses a high-strength and good-tightness regulating valve, which comprises a regulating valve main body, wherein a high-strength inner cylinder is arranged in the regulating valve main body, a valve core for controlling flow is arranged in the high-strength inner cylinder, a through hole communicated with the regulating valve main body is arranged on the side wall of the high-strength inner cylinder in a penetrating manner, a first fixed ring frame and a second fixed ring frame for installing the high-strength inner cylinder are fixedly connected to the inner wall of the regulating valve main body respectively, a convex ring corresponding to the position of the first fixed ring frame is fixedly sleeved on the side wall, close to the upper end, of the high-strength inner cylinder, and a concave ring corresponding to the position of the second fixed ring frame is arranged on the side wall, close to the lower end, of the high-strength inner cylinder. On the basis of the existing regulating valve, the high-strength inner cylinder is additionally arranged in the regulating valve, so that fluid flows through the regulating valve through the high-strength inner cylinder, abrasion in the regulating valve is reduced, the condition that the sealing performance is poor and damaged due to abrasion is avoided, and the high-strength inner cylinder is good in sealing performance and worthy of popularization and use.

The above comparative document has the following problems:

the regulating valve is usually connected by using a flange when being connected, and because the flange plates belong to hard objects, gaps can exist between the flange plates when being connected, and the flange can be loose, so that the tightness of the regulating valve is affected to a certain extent.

Disclosure of Invention

The utility model aims to provide a regulating valve sealing device which solves the problems in the prior art.

The technical scheme of the utility model is as follows: the utility model provides a governing valve sealing device, includes adjusting part and disk seat, the both ends of disk seat are provided with sealing part, sealing part includes first connecting piece, first connecting piece connects in the one end of disk seat, the rubber ring groove has been seted up to the one end of first connecting piece, the inside in rubber ring groove is provided with sealed rubber ring, the one end of first connecting piece is provided with the second connecting piece, the both ends symmetry of second connecting piece is connected with the joint piece, the joint groove has been seted up to the one end of first connecting piece, the one end symmetry of first connecting piece runs through there is the locking bolt, and the one end of locking bolt runs through the joint piece.

Further, a locking groove is formed in one end of the first connecting piece, corresponding to the locking bolt, an internal thread is arranged on the inner side wall of the locking groove, an external thread is arranged at one end of the locking bolt, and the locking groove is in threaded connection with the locking bolt.

Further, the width dimension of the sealing rubber ring is larger than the width dimension of the rubber ring groove.

Further, the width dimension of the clamping block is equal to the width dimension of the clamping groove.

Further, a plurality of rubber bulges are equally connected to the outer parts of the clamping blocks, and the clamping blocks are in an arc surface shape.

Further, the top of disk seat symmetry is connected with two manometers.

The utility model provides a regulating valve sealing device through improvement, which has the following improvement and advantages compared with the prior art:

the method comprises the following steps: according to the utility model, through the matched use of the clamping block and the clamping groove, the first connecting piece and the second connecting piece are convenient to install, the possibility of horizontal looseness is reduced, the sealing rubber ring is extruded by the two connecting pieces, the connecting gap is reduced, and the tightness and the stability of the regulating valve during connection are improved.

And two,: according to the utility model, through the arrangement of the pressure gauge, an operator can conveniently adjust the regulating valve, the explosion accident caused by overlarge pressure at the outlet end of the regulating valve is solved, the potential safety hazard of improper pressure adjustment is eliminated, and the use is convenient.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the area A in FIG. 1;

fig. 3 is a schematic view of a partial perspective structure of the present utility model.

Reference numerals illustrate: 1. an adjustment assembly; 2. a valve seat; 3. a seal assembly; 31. a first connector; 32. a locking bolt; 33. a second connector; 34. sealing rubber rings; 35. a clamping block; 36. a locking groove; 37. a clamping groove; 38. a rubber ring groove; 4. a pressure gauge.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in detail with reference to fig. 1 to 3, and it is obvious that the described embodiments are only some embodiments of the present utility model, but 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 be within the scope of the utility model.

The utility model provides a regulating valve sealing device through improvement, as shown in fig. 1-3, comprising a regulating component 1 and a valve seat 2 (the regulating component 1 is composed of a valve rod, a valve core and other parts, which are conventional in the art and are not repeated herein), wherein, the sealing component 3 is arranged at two ends of the valve seat 2, the sealing component 3 comprises a first connecting piece 31, the first connecting piece 31 is connected with one end of the valve seat 2, one end of the first connecting piece 31 is provided with a rubber ring groove 38, the inside of the rubber ring groove 38 is provided with a sealing rubber ring 34, the width dimension of the sealing rubber ring 34 is larger than the width dimension of the rubber ring groove 38, so that the sealing rubber ring 34 is completely jointed with the valve rod and the valve core by utilizing the extrusion force when the first connecting piece 31 is connected with a second connecting piece 33, the gap is reduced, the tightness is improved, one end of the first connecting piece 31 is provided with a second connecting piece 33, the two ends of the second connecting piece 33 are symmetrically connected with clamping blocks 35, one end of the first connecting piece 31 is provided with clamping grooves 37, the width dimension of the clamping blocks 35 is equal to the width dimension of the clamping grooves 37, so that the clamping blocks 35 are limited in the horizontal direction by the clamping grooves 37, the sealing rubber ring 34 is used for mutually extruding and limiting the clamping blocks 35, the tightness is improved, the outer parts of the clamping blocks 35 are equally connected with a plurality of rubber bulges and are arc-shaped, the rubber bulges outside the clamping blocks 35 are utilized to increase the friction coefficient of the clamping blocks 35 and the clamping grooves 37, the shaking is reduced, the connection stability is improved, one end of the first connecting piece 31 symmetrically penetrates through locking bolts 32, one end of the locking bolts 32 penetrates through the clamping blocks 35, one end of the first connecting piece 31 corresponds to the locking bolts 32 and is provided with locking grooves 36, the inside wall of locking groove 36 is provided with the internal thread, the one end of locking bolt 32 is provided with the external screw thread, locking groove 36 is threaded connection with locking bolt 32 to utilize the screw thread that sets up on locking groove 36 and the locking bolt 32, make both fixed connection, the top symmetry of disk seat 2 is connected with two manometers 4, thereby utilizes two manometers 4 to make things convenient for operating personnel to observe the difference of governing valve entry and export, conveniently adjusts the governing valve.

Working principle: during installation operation, the second connecting piece 33 is rotated, the two clamping blocks 35 are parallel in the horizontal direction, the sealing rubber ring 34 is filled into the rubber ring groove 38, then the second connecting piece 33 is inserted into the first connecting piece 31, the second connecting piece 33 is rotated for ninety degrees, the clamping blocks 35 are rotated to the inside of the clamping grooves 37, the clamping blocks 35 and the first connecting piece 31 form a limit in the horizontal direction, the second connecting piece 33 extrudes the sealing rubber ring 34, connection gaps are reduced, the locking bolts 32 are inserted into the first connecting piece 31 and correspond to the through grooves penetrating through the clamping blocks 35, the locking bolts 32 are rotated, the locking bolts 32 are matched for locking, the clamping blocks 35 are limited by the locking bolts 32, the clamping blocks 35 and the second connecting piece 33 are prevented from axially rotating, and therefore installation operation is completed, an operator can adjust the adjusting valve by observing the two pressure gauges 4 when performing adjusting operation of the adjusting valve, and explosion accidents caused by improper pressure adjustment are avoided.

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 (6)

1. A regulating valve sealing device, characterized in that: including adjusting part (1) and disk seat (2), the both ends of disk seat (2) are provided with seal assembly (3), seal assembly (3) are including first connecting piece (31), first connecting piece (31) are connected in the one end of disk seat (2), rubber ring groove (38) have been seted up to the one end of first connecting piece (31), the inside of rubber ring groove (38) is provided with sealed rubber ring (34), the one end of first connecting piece (31) is provided with second connecting piece (33), the both ends symmetry of second connecting piece (33) is connected with joint piece (35), joint groove (37) have been seted up to the one end of first connecting piece (31), the one end symmetry of first connecting piece (31) is run through and is had locking bolt (32), and the one end of locking bolt (32) runs through joint piece (35).

2. A regulator valve seal as defined in claim 1, wherein: one end of the first connecting piece (31) is provided with a locking groove (36) corresponding to the locking bolt (32), the inner side wall of the locking groove (36) is provided with an internal thread, one end of the locking bolt (32) is provided with an external thread, and the locking groove (36) is in threaded connection with the locking bolt (32).

3. A regulator valve seal as defined in claim 1, wherein: the width dimension of the sealing rubber ring (34) is larger than the width dimension of the rubber ring groove (38).

4. A regulator valve seal as defined in claim 1, wherein: the width dimension of the clamping block (35) is equal to the width dimension of the clamping groove (37).

5. A regulator valve seal as defined in claim 1, wherein: the outer part of the clamping block (35) is equally connected with a plurality of rubber bulges and is in a cambered surface shape.

6. A regulator valve seal as defined in claim 1, wherein: the top end of the valve seat (2) is symmetrically connected with two pressure gauges (4).