CN210920162U

CN210920162U - Erosion-resistant angle valve

Info

Publication number: CN210920162U
Application number: CN201921779707.1U
Authority: CN
Inventors: 吴勇
Original assignee: SHANGHAI DATONG AUTOMATIC CONTROL EQUIPMENT CO Ltd
Current assignee: SHANGHAI DATONG AUTOMATIC CONTROL EQUIPMENT CO Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-03
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses an erosion-resistant formula angular valve relates to a governing valve, it includes the valve body and sets up the valve gap on the valve body, be provided with the valve pocket from the extroversion on the valve body, it is equipped with the disk seat to inlay on the lateral wall of valve pocket, the apopore has been seted up on the disk seat, it is provided with the case that is used for closed apopore to slide along the axial of apopore in the valve pocket, the coaxial fixed valve rod that is provided with of one end that the apopore was kept away from to the case, the valve rod runs through valve pocket lateral wall and valve gap and slides the setting on the valve body, a serial communication port, the valve body can dismantle the fixed installation cover that is provided with in the position of apopore is coaxial, coaxial the embedding is equipped. The utility model has the advantages of the condition of revolving takes place when can reducing the medium and flow out the apopore, reduces the medium to the erosion intensity of guide pin bushing to and the life of extension angular form valve.

Description

Erosion-resistant angle valve

Technical Field

The utility model relates to a governing valve especially relates to an erosion-resistant formula angular valve.

Background

The angle valve belongs to the single valve seat class, and it has advantages such as the leakage quantity is little, the flow resistance is little, the flow path is simple, and it uses in the occasion of high pressure differential usually, and the medium is gone out from the side entry, makes the effect that the governing valve closed better with the help of the high pressure differential between inlet end and discharge end.

The existing Chinese patent with publication number CN205745316U discloses an anti-blocking and anti-leakage fused salt angle-shaped regulating valve, which comprises a valve body, a valve core, a valve rod, a valve cover, a sealing gasket, a corrugated pipe assembly, a sealing filler, a filler gland, a heat-insulating jacket and a fastener, wherein the valve body is an integrated angle-shaped valve body, an inlet and outlet flow passage of the valve body is in a Venturi tube structure shape, a sealing conical surface which is matched and sealed with the valve core is directly processed on the upper part of an outlet flow passage of the valve body, the valve cover is fixed at the upper end of the valve body, the corrugated pipe assembly is arranged in an inner cavity of the valve cover, the upper end of the corrugated pipe assembly is welded and fixed at.

By adopting the scheme, in actual work, the valve rod drives the valve core to open the regulating valve, and the medium flows from the valve body inlet channel to the valve body outlet channel. However, when the high-pressure medium is introduced into the regulating valve, the medium is easily swirled when entering the valve body outlet flow passage, and the side wall of the valve body outlet flow passage is seriously eroded, so that a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide an erosion-resistant formula angular form valve, with the help of the medium of guide pin bushing guide apopore outflow to beat soon in the guide pin bushing with the help of restriction groove restriction medium, thereby beat the condition of revolving when reducing the medium outflow apopore and take place, reduce the medium to the erosion intensity of guide pin bushing, prolong angular form valve's life.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an erosion-resistant formula angular valve, includes the valve body and sets up the valve gap on the valve body, be provided with the valve pocket from the extroversion in on the valve body, be provided with the disk seat on the lateral wall of valve pocket, the apopore has been seted up on the disk seat, slide along the axial of apopore in the valve pocket and be provided with the case that is used for closed apopore, the coaxial fixed valve rod that is provided with of one end that the apopore was kept away from to the case, the valve rod runs through valve pocket lateral wall and valve gap and slides on the valve body and sets up, the valve body can dismantle fixedly in the position of apopore and be provided with the installation cover coaxially, coaxial the embedding is equipped with the guide pin bushing in the installation cover.

By adopting the technical scheme, in actual work, the valve rod drives the valve plug to open the water outlet hole, and the medium flows from the water outlet hole to the guide sleeve; then, the medium enters the guide sleeve, is guided by the guide sleeve and is limited in the guide sleeve by the limiting groove to rotate. Through this kind of mode, the condition that the medium was revolved when reducing the apopore and take place, reduces the erosion intensity of medium to the guide pin bushing, prolongs the life of angle valve.

The utility model discloses further set up to: the length direction of the limiting grooves is parallel to the axial direction of the guide sleeve, and the limiting grooves are arranged in a plurality of spaced positions around the axial direction of the guide sleeve.

By adopting the technical scheme, the length direction of the limiting groove is set to be parallel to the axial direction of the guide sleeve, so that the effect of limiting the medium rotation condition by the limiting groove is ensured, and the erosion strength of the guide sleeve by the medium is further reduced.

The utility model discloses further set up to: the channel in the guide sleeve is trumpet-shaped, and the small end of the channel in the guide sleeve is communicated with the water outlet hole of the valve seat.

By adopting the technical scheme, in actual application, the medium is guided by the horn-shaped guide sleeve channel and is dredged, so that the impact length of the medium on the guide sleeve is reduced, the erosion strength of the medium on the guide sleeve is reduced, and the service life of the angle valve is prolonged.

The utility model discloses further set up to: the guide sleeve is made of a tungsten carbide alloy hard material and is embedded in the mounting sleeve.

Through adopting above-mentioned technical scheme, set up the material of guide pin bushing into tungsten carbide alloy hard material, guarantee the intensity of guide pin bushing self, guarantee angle valve's life.

The utility model discloses further set up to: the valve seat is embedded on the valve body from the outside to the inner side of the valve body, and the valve seat is detachably and fixedly connected with the valve body.

Through adopting above-mentioned technical scheme, in the practical application, the medium of high pressure difference often will erode the disk seat also to cause the leakproofness of disk seat to reduce, can dismantle with the help of the disk seat and fix on the valve body, thereby greatly make things convenient for the change of staff to the disk seat on the valve body.

The utility model discloses further set up to: the valve seat is close to one side of installation cover and has fixed ear around the axial extension shaping in water outlet, fixed ear supports tightly on the valve body, one side that the installation cover is close to the valve seat has the installation ear around the axial extension shaping in water outlet, the installation ear supports tightly fixed ear, still be provided with the mount pad on the valve body, the mount pad supports tightly fixed ear to the valve body direction, just the mount pad passes through the bolt fastening on the valve body.

By adopting the technical scheme, in actual work, a worker can unscrew the bolt of the mounting seat so as to take the mounting seat off the valve body; then the staff can take off installation cover and disk seat in proper order to greatly make things convenient for the change operation of staff to installation cover and disk seat.

The utility model discloses further set up to: and a sealing gasket is tightly propped between the fixing lug and the valve body.

Through adopting above-mentioned technical scheme, support tightly to set up sealed the pad between fixed ear and valve body to promote the leakproofness between disk seat and the valve body.

The utility model discloses further set up to: and a sealing ring is tightly propped between the mounting lug and the fixing lug.

Through adopting above-mentioned technical scheme, support tightly to set up the sealing washer between installation ear and fixed ear to guarantee the leakproofness between installation cover and the disk seat.

The utility model discloses further set up to: and a reinforcing sleeve is embedded in the side wall of the water outlet hole.

Through adopting above-mentioned technical scheme, inlay on the lateral wall of apopore and set up the reinforcement cover to promote the resistant erosion strength of disk seat, prolong the life of angle valve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the medium flowing out of the water outlet hole is guided by the guide sleeve, and the medium is limited to swirl in the guide sleeve by the limiting groove, so that the occurrence of swirling when the medium flows out of the water outlet hole is reduced, the erosion strength of the medium on the guide sleeve is reduced, and the service life of the angle valve is prolonged;

(2) the length direction of the limiting groove is arranged in parallel to the axial direction of the guide sleeve, the channel in the guide sleeve is arranged to be horn-shaped, and the material of the guide sleeve is made of tungsten carbide alloy hard material, so that the service life of the angle valve is further prolonged;

(3) the sealing gasket is tightly abutted between the fixing lug and the valve body, and the sealing ring is tightly abutted between the mounting lug and the fixing lug, so that the sealing performance of the angle valve is ensured.

Drawings

FIG. 1 is a cross-sectional view of the present embodiment showing the overall structure of an erosion resistant angle valve;

FIG. 2 is an enlarged view of a portion A of FIG. 1, which mainly shows the structure of the mounting sleeve and the guide sleeve;

fig. 3 is a schematic view mainly showing the structure of the mounting sleeve and the guide sleeve in this embodiment.

Reference numerals: 1. a valve body; 11. a valve cover; 12. a valve cavity; 13. a valve core; 14. a valve stem; 2. a valve seat; 21. a water outlet hole; 22. a reinforcing sleeve; 23. fixing the ear; 24. a gasket; 3. installing a sleeve; 31. fastening the ladder; 32. mounting lugs; 33. a seal ring; 4. a guide sleeve; 41. a limiting groove; 5. a mounting seat; 51. and (6) butting the flow channel.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example (b):

referring to fig. 1 and 2, an erosion-resistant angle valve comprises a valve body 1 and a valve cover 11 locked on the valve body 1 through bolts, wherein a valve cavity 12 is formed in the valve body 1 from outside to inside, a valve seat 2 is embedded in one side of the valve body 1 away from the valve cover 11 from outside to inside, and the valve seat 2 extends towards the valve cavity 12 and penetrates through the side wall of the valve cavity 12; a water outlet hole 21 is formed in the valve seat 2 in a penetrating manner in the direction towards the valve cover 11, an installation sleeve 3 is coaxially arranged on one side of the valve seat 2, which is far away from the valve cavity 12, and the water outlet hole 21, a guide sleeve 4 is coaxially embedded in the installation sleeve 3, and the guide sleeve 4 can be made of a tungsten carbide hard material; a valve core 13 is arranged in the valve cavity 12 in a sliding manner along the axis of the water outlet hole 21, the axis of the valve core 13 is collinear with the axis of the water outlet hole 21, a valve rod 14 is coaxially and fixedly arranged at one end, away from the water outlet hole 21, of the valve core 13, one end, away from the valve core 13, of the valve rod 14 extends towards the valve cover 11 and penetrates through the valve cover 11, and the valve rod 14 is connected with the valve cover 11 in; the valve body 1 is also provided with a mounting seat 5 for detachably fixing the valve seat 2 and the mounting sleeve 3. In practice, the valve stem 14 drives the valve plug 13 away from the valve seat 2, and the medium can flow out of the valve cavity 12 through the water outlet hole 21 to the guide sleeve 4 and is guided by the guide sleeve 4.

Referring to fig. 1 and 2, a reinforcing sleeve 22 is embedded on the side wall of the water outlet hole 21 of the valve seat 2, a fixing lug 23 is arranged on the side circumference of the valve seat 2 far away from the valve cavity 12 and extends outwards around the axial direction of the water outlet hole 21, and one side of the fixing lug 23 close to the valve body 1 abuts against the valve seat 2. In order to ensure the sealing performance between the valve seat 2 and the valve body 1, a sealing gasket 24 is tightly abutted between the fixing lug 23 and the valve body 1, and the sealing gasket 24 is embedded in the peripheral position of the valve body 1 on the valve seat 2.

Referring to fig. 2 and 3, the channel in the guide sleeve 4 is trumpet-shaped, and the small end of the channel in the guide sleeve 4 is communicated with the water outlet hole 21 of the valve seat 2; the inner wall of the guide sleeve 4 is provided with a limiting groove 41, the length direction of the limiting groove 41 is parallel to the axial direction of the guide sleeve 4, and two sides of the limiting groove 41 in the length direction respectively penetrate through two ends of the guide sleeve 4; furthermore, five limiting grooves 41 are provided on the inner wall of the guide bush 4 at regular intervals in the axial direction of the guide bush 4. In order to ensure the tightness of the connection between the guide sleeve 4 and the mounting sleeve 3, a fastening step 31 is provided on the inner wall of the mounting sleeve 3, which is away from the valve seat 2, extending toward the guide sleeve 4, the fastening step 31 being embedded in the guide sleeve 4. When the medium enters the guide sleeve 4, the limiting groove 41 limits the medium to rotate in the guide sleeve 4, and the medium is dredged by the channel in the guide sleeve 4 which is in the shape of a trumpet, so that the erosion strength of the medium to the guide sleeve 4 is reduced.

The outer side wall of one side of the mounting sleeve 3 close to the valve seat 2 extends outwards around the axial direction of the mounting sleeve and is provided with a mounting lug 32, the mounting lug 32 is tightly propped against the fixing lug 23 of the valve seat 2, and a sealing ring 33 is tightly propped between the mounting lug 32 and the fixing lug 23; and the sealing ring 33 is embedded in the mounting lug 32 about the axial direction of the mounting sleeve 3.

Referring to fig. 1 and 2, a trumpet-shaped butt joint flow channel 51 is formed on the mounting seat 5, the mounting sleeve 3 penetrates through the butt joint flow channel 51, and the small end of the butt joint flow channel 51 is positioned at one side close to the mounting lug 32; one side of the mounting seat 5 close to the valve body 1 abuts against the mounting lug 32, and the mounting seat 5 is locked on the valve body 1 through a bolt. In the actual work, the staff can loosen the bolt uninstallation mount pad 5 of mount pad 5 soon to dismantle installation cover 3 and disk seat 2 in proper order, greatly make things convenient for the change operation of staff to installation cover 3 and disk seat 2.

The present embodiment is further described below with reference to specific actions: the medium flows the water outlet hole 21 to the guide sleeve 4 in the valve cavity 12; after the medium enters the guide sleeve 4, the limiting groove 41 limits the medium to rotate in the guide sleeve 4, and the medium is dredged by the channel in the guide sleeve 4 in the shape of the trumpet, so that the erosion strength of the medium to the guide sleeve 4 is reduced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An erosion-resistant angle valve comprises a valve body (1) and a valve cover (11) arranged on the valve body (1), wherein a valve cavity (12) is arranged on the valve body (1) from outside to inside, a valve seat (2) is embedded on the side wall of the valve cavity (12), a water outlet hole (21) is formed in the valve seat (2), a valve core (13) for closing the water outlet hole (21) is arranged in the valve cavity (12) in a sliding manner along the axial direction of the water outlet hole (21), a valve rod (14) is coaxially and fixedly arranged at one end, far away from the water outlet hole (21), of the valve core (13), the valve rod (14) penetrates through the side wall of the valve cavity (12) and the valve cover (11) and is arranged on the valve body (1) in a sliding manner, the erosion-resistant angle valve is characterized in that a mounting sleeve (3) is coaxially and detachably fixedly arranged at the position of the water outlet hole, the inner wall of the guide sleeve (4) is provided with a plurality of limiting grooves (41), and the limiting grooves (41) are formed in the inner wall of the guide sleeve (4).

2. Erosion resistant angle valve according to claim 1, characterized in that the length direction of the restriction groove (41) is parallel to the axial direction of the guide sleeve (4), and the restriction groove (41) is provided in plurality at intervals around the axial direction of the guide sleeve (4).

3. Erosion resistant angle valve according to claim 1, characterized in that the channel in the guide sleeve (4) is trumpet shaped and the small end of the channel in the guide sleeve (4) communicates with the outlet opening (21) of the valve seat (2).

4. Erosion resistant angle valve according to claim 1, characterized in that the material of the guide sleeve (4) is a hard material of tungsten carbide alloy and that the guide sleeve (4) is embedded in the mounting sleeve (3).

5. Erosion resistant angle valve according to claim 1, characterized in that the valve seat (2) is embedded in the valve body (1) from the outside to the inside of the valve body (1), and the valve seat (2) is detachably fixed to the valve body (1).

6. The erosion-resistant angle valve according to claim 5, wherein a fixing lug (23) is formed around the axial extension of the water outlet hole (21) on one side of the valve seat (2) close to the mounting sleeve (3), the fixing lug (23) abuts against the valve body (1), a mounting lug (32) is formed around the axial extension of the water outlet hole (21) on one side of the mounting sleeve (3) close to the valve seat (2), the mounting lug (32) abuts against the fixing lug (23), the valve body (1) is further provided with a mounting seat (5), the mounting seat (5) abuts against the fixing lug (23) towards the valve body (1), and the mounting seat (5) is fixed on the valve body (1) through bolts.

7. Erosion resistant angle valve according to claim 6, characterized in that a sealing gasket (24) is arranged in abutment between the fixing lug (23) and the valve body (1).

8. Erosion resistant angle valve according to claim 6, characterized in that a sealing ring (33) is arranged in abutment between the mounting lug (32) and the fixing lug (23).

9. Erosion resistant angle valve according to claim 1, characterized in that a reinforcement sleeve (22) is embedded in the side wall of the outlet opening (21).