CN220016092U - Quick cut-off regulating valve for pneumatic film sleeve - Google Patents

Abstract

The utility model provides a pneumatic film sleeve quick-cut-off regulating valve, which relates to the technical field of regulating valves, and comprises: the sleeve regulating valve comprises a valve core and a sleeve, wherein the valve core is used for axially moving along the sleeve, the valve core comprises a blocking part, a disc part and a column part, the blocking part is arranged on the column part in a protruding mode, the top end of the column part is provided with the disc part, the disc part is used for being in sliding connection with the inner wall of the sleeve, a throttling groove is formed in the sleeve, the blocking part is used for being in butt joint with the throttling groove, so that the sleeve regulating valve can be used for conducting gas on-off, when the blocking part is in butt joint with the throttling groove, the disc part is located above the throttling groove, and when the valve core vertically moves upwards, the blocking part is separated from the throttling groove. The tray portion is located above the throttling groove no matter when the blocking portion is abutted to the throttling groove or the blocking portion is separated from the throttling groove, so that gas cannot enter the inner space of the sleeve above the tray portion, and residual gas mediums are avoided.

Description

Quick cut-off regulating valve for pneumatic film sleeve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a pneumatic film sleeve quick-cut-off regulating valve.

Background

The sleeve regulating valve consists of a pneumatic multi-spring film executing mechanism and a sleeve valve, is a pressure balance regulating valve, takes compressed air as a power source, takes a multi-spring film structure as an actuator driving valve, adopts a balance valve plug structure, and takes a sleeve as a guide, so that unbalanced force can be reduced; the fluid passage is S streamline, the overall structure is compact, the weight is light, the stability of the valve plug is good, vibration is not easy to generate, the noise is low, the sensitivity to temperature is low, the allowable pressure difference is large, and the interchangeability and the universality of the sleeve valve are strong, so that the valve is widely applied to working condition occasions requiring good dynamic stability, low noise, small cavitation and cavitation erosion, high and low temperature and high pressure difference.

Most of the existing sleeve regulating valves are prone to being led into all positions in the sleeve when gas passes through the sleeve, so that mediums in the gas are easy to remain at all positions on the inner wall of the sleeve, when the valve does not work in a period of time, the mediums remaining in the sleeve can be slowly air-dried and hardened, and the mediums are easy to be blocked with the sleeve, so that normal work is affected.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a pneumatic film sleeve quick cut-off adjusting valve, comprising: the sleeve regulating valve comprises a valve body, a valve core and a sleeve, wherein the valve core is used for moving along the axial direction of the sleeve, the valve core comprises a blocking part, a disc part and a column part, the blocking part is arranged on the column part in a protruding mode, the top end of the column part is provided with the disc part, the disc part is used for being in sliding connection with the inner wall of the sleeve, a throttling groove is formed in the sleeve, the blocking part is used for being in butt joint with the throttling groove, so that the sleeve regulating valve can be used for conducting gas on-off, when the blocking part is in butt joint with the throttling groove, the disc part is located above the throttling groove, and when the valve core moves vertically upwards, the blocking part is separated from the throttling groove.

Optionally, the blocking portion is integrally formed on the outer peripheral surface of the pillar portion.

Optionally, the diameter of the post is smaller than the inner diameter of the sleeve such that a chamber is formed between the post and the inner wall of the sleeve.

Optionally, the valve body includes an inlet and an outlet, the inlet communicating with the outlet when the blocking portion is disengaged from the throttling groove.

Optionally, the sleeve regulating valve further comprises a valve rod, a valve body and a valve seat, wherein the valve body is connected with a valve cover, the sleeve, the valve core and the valve seat are all arranged inside the valve body, the sleeve is arranged on the valve seat, one end of the valve rod is connected with the actuating mechanism, and the other end of the valve rod penetrates through the valve cover and is connected with the valve core.

Compared with the prior art, the utility model has the following beneficial effects:

through set up the jam portion on the case, be equipped with festival flow groove on the sleeve, and the case moves along telescopic axial, thereby can make jam portion butt or break away from festival flow groove, realize the gas break-make to sleeve governing valve, and no matter be when jam portion butt is in the festival flow groove, when jam portion breaks away from festival flow groove, the dish portion all is in the top of festival flow groove, thereby make gas can not enter into the sleeve inner space of dish portion top, thereby avoid gaseous medium to remain, when dish portion and sleeve inner wall slip simultaneously, can scrape down sleeve inner wall medium residue, reach clean telescopic purpose, and only dish portion, jam portion rubs with the sleeve inner wall, the area of contact of case and sleeve inner wall has been reduced, the probability that sleeve governing valve was blocked has been reduced to a certain extent.

Drawings

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

FIG. 2 is a schematic view of a sleeve according to an embodiment of the present utility model;

FIG. 3 is a schematic structural diagram of a valve core according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of another view of the valve element according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a valve body; 11. an inlet; 12. an outlet; 2. a valve core; 21. a blocking part; 22. a disk portion; 23. a column section; 3. a valve seat; 4. a sleeve; 41. a throttle flow channel; 5. a valve stem; 6. a valve cover; 100. and a sleeve regulating valve.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In the present specification, "plurality" means two or more.

In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

Referring to fig. 1 to 4, an embodiment of the present utility model provides a pneumatic film sleeve quick-cut-off adjusting valve (hereinafter referred to as an adjusting valve), including: the sleeve regulating valve 100, the sleeve regulating valve 100 includes valve body 1, case 2 and sleeve 4, case 2 is used for along the axial displacement of sleeve 4, case 2 includes blocking portion 21, dish portion 22 and post portion 23, blocking portion 21 protrusion is located on the post portion 23, the top of post portion 23 sets up dish portion 22, dish portion 22 is used for with sleeve 4 inner wall sliding connection, be equipped with throttle groove 41 on the sleeve 4, blocking portion 21 is used for with throttle groove 41 butt to make sleeve regulating valve 100 go on gas break-make, when blocking portion 21 butt in throttle groove 41, dish portion 22 is located the top of throttle groove 41, when case 2 vertical upwards removes, blocking portion 21 breaks away from throttle groove 41.

Specifically, the valve core 2 includes the blocking portion 21, the sleeve 4 is provided with the throttling groove 41, and the valve core 2 moves along the axial direction of the sleeve 4, so that the blocking portion 21 can be abutted against or separated from the throttling groove 41, gas on-off of the sleeve regulating valve 100 is realized, and no matter when the blocking portion 21 is abutted against the throttling groove 41 or the blocking portion 21 is separated from the throttling groove 41, the disc portion 22 is located above the throttling groove 41, so that gas cannot enter the inner space of the sleeve 4 above the disc portion 22, residual of medium of the gas is avoided, and meanwhile, when the disc portion 22 slides with the inner wall of the sleeve 4, the residual of the medium of the inner wall of the sleeve 4 can be scraped, the sleeve 4 is cleaned, only the disc portion 22, the blocking portion 21 and the inner wall of the sleeve 4 are rubbed, the contact area of the valve core 2 and the inner wall of the sleeve 4 is reduced, and the probability that the sleeve regulating valve 100 is blocked is reduced to a certain extent.

Alternatively, the blocking portion 21 is integrally formed on the outer peripheral surface of the pillar portion 23.

Specifically, the blocking portions 21 are integrally formed by protruding on the outer peripheral surface of the pillar portion 23, and a plurality of blocking portions 21 may be provided, and the number of the blocking portions 21 is corresponding to the number of the throttle through grooves 41 provided on the sleeve 4, and the more the throttle through grooves 41 are provided, the larger the ventilation amount is, but the more the corresponding blocking portions 21 are, the larger the area of friction with the inner wall of the sleeve 4 is, and the flexible selection can be made according to practical application situations.

Alternatively, the diameter of the stem 23 is smaller than the inner diameter of the sleeve 4 so that a chamber is formed between the stem 23 and the inner wall of the sleeve 4, and the valve body 1 includes an inlet 11 and an outlet 12, the inlet 11 communicating with the outlet 12 when the blocking portion 21 is disengaged from the orifice groove 41.

Specifically, when the blocking portion 21 is disengaged from the throttling groove 41, gas can enter the chamber from the inlet 11, and then enter the outlet 12 from the chamber, completing the flow of gas.

Optionally, the sleeve adjusting valve 100 further comprises a valve rod 5, a valve body 1 and a valve seat 3, the valve body 1 is connected with a valve cover 6, the sleeve 4, the valve core 2 and the valve seat 3 are all arranged inside the valve body 1, the sleeve 4 is arranged on the valve seat 3, one end of the valve rod 5 is connected with an actuating mechanism, and the other end of the valve rod 5 penetrates through the valve cover 6 to be connected with the valve core 2.

Specifically, the actuating mechanism belongs to a part of the sleeve regulating valve 100 in the prior art, and the valve trim such as the valve core 2, the sleeve 4, the valve seat 3, the valve rod 5, the valve body 1 and the like still adopts parts of the standard sleeve regulating valve 100 so as to improve the universalization degree of parts among serial products.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims (5)

1. A pneumatic membrane sleeve quick shut-off control valve, comprising: sleeve governing valve (100), sleeve governing valve (100) include valve body (1), case (2) and sleeve (4), case (2) are used for following the axial displacement of sleeve (4), case (2) are including shutoff portion (21), dish portion (22) and post portion (23), shutoff portion (21) protrusion is located on post portion (23), the top of post portion (23) sets up dish portion (22), dish portion (22) be used for with sleeve (4) inner wall sliding connection, be equipped with on sleeve (4) throttle groove (41), shutoff portion (21) be used for with throttle groove (41) butt, so that sleeve governing valve (100) carry out gas break-make, when shutoff portion (21) butt in throttle groove (41), dish portion (22) are located the top of throttle groove (41), when case (2) are vertically removed, shutoff portion (21) break away from throttle groove (41).

2. The quick cut-off regulator valve according to claim 1, wherein the blocking portion (21) is integrally formed on the outer peripheral surface of the pillar portion (23).

3. A pneumatic membrane sleeve quick shut-off control valve according to claim 2, characterized in that the diameter of the post (23) is smaller than the inner diameter of the sleeve (4) so that a chamber is formed between the post (23) and the inner wall of the sleeve (4).

4. A pneumatic diaphragm sleeve quick shut-off regulator valve according to claim 3, wherein the valve body (1) comprises an inlet (11) and an outlet (12), the inlet (11) communicating with the outlet (12) when the blocking portion (21) is disengaged from the throttling groove (41).

5. The pneumatic film sleeve quick cut-off regulating valve according to claim 4, wherein the sleeve regulating valve (100) further comprises a valve rod (5), a valve body (1) and a valve seat (3), a valve cover (6) is connected to the valve body (1), the sleeve (4), the valve core (2) and the valve seat (3) are all arranged inside the valve body (1), the sleeve (4) is arranged on the valve seat (3), one end of the valve rod (5) is connected with an actuating mechanism, and the other end of the valve rod (5) penetrates through the valve cover (6) to be connected with the valve core (2).