CN214699232U

CN214699232U - Sliding sleeve type throttle valve capable of accurately controlling flow

Info

Publication number: CN214699232U
Application number: CN202120882536.6U
Authority: CN
Inventors: 董亮; 闫亮
Original assignee: Shanghai Wonihe Automation Technology Co ltd
Current assignee: Shanghai Wonihe Automation Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-12
Anticipated expiration: 2031-04-27

Abstract

The utility model relates to the technical field of throttle valves, in particular to a sliding sleeve type throttle valve capable of accurately controlling the flow, which comprises a valve body, wherein a valve seat is arranged at the top of the valve body, a valve rod is arranged inside the valve seat, a valve head is arranged at the bottom end of the valve rod, a control sleeve is arranged below the valve head, a protective shell is arranged above the valve seat, and a pointer rod is arranged inside the protective shell and close to the front side; the utility model discloses a be equipped with helical gear one, transfer line and pointer pole, when the valve rod rotates and adjusts the flow, make the transfer line rotate through helical gear one to drive the pointer pole and rotate, conveniently observe the rotation range of pointer through the dial plate, thereby understand the valve head amplitude of rise directly perceived, and then understand the area change of throttle opening, conveniently control the flow, this design has changed the situation that traditional choke valve can not the accurate control flow size, the flow size that the area change through understanding the throttle opening comes the accurate control choke valve.

Description

Sliding sleeve type throttle valve capable of accurately controlling flow

Technical Field

The utility model relates to a choke valve technical field specifically is a but sliding sleeve formula choke valve of accurate control flow size.

Background

A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The throttle valve can be divided into a straight-through type and an angle type according to a channel mode; according to the shape of the opening and closing piece, there are three kinds of needle shape, ditch shape and window shape. The flow of the throttle valve is not only dependent on the area of the throttle orifice, but also related to the pressure difference between the front and the rear of the throttle orifice, and the rigidity of the valve is small, so the throttle valve is only suitable for occasions with small load change of an actuating element and low speed stability requirement.

The existing throttle valve is inconvenient to determine the size of the area of the throttle opening when in use, and the flow of the throttle valve cannot be intuitively known when in actual use, so that the control of the throttle valve on the flow is influenced. In view of this, we propose a sliding sleeve type throttle valve that can accurately control the flow rate.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides a but sliding sleeve formula choke valve of accurate control flow size.

The technical scheme of the utility model is that:

the utility model provides a but sliding sleeve formula choke valve of accurate control flow size, includes the valve body, the valve body includes water inlet and delivery port, water inlet and delivery port mutually perpendicular, the top of valve body is equipped with the disk seat, disk seat and valve body integrated into one piece, the inside of disk seat is equipped with the valve rod, the bottom of valve rod is equipped with the valve head, valve head and valve rod integrated into one piece, the control housing is installed to the inside of valve body and the top that is located the delivery port, the valve head cup joints the cooperation with the control housing, the top of disk seat is equipped with the protecting crust, the protecting crust is equipped with open-ended hollow structure for the bottom, the inside of protecting crust just is close to front side department and is equipped with the finger rod, the finger rod runs through the protecting crust, and rotates with the protecting crust to be connected.

According to the preferable technical scheme, a sealing sleeve is installed on the valve seat and located on the outer side of the valve rod, the valve rod is sleeved with the sealing sleeve, sealing filler is arranged inside the valve seat and located above the sealing sleeve, a filling cover is arranged above the sealing filler, and the filling cover is fixedly connected with the valve seat through bolts.

As the preferred technical scheme, a sliding sleeve is arranged on the valve rod and above the valve head, the sliding sleeve and the valve rod are integrally formed, and the sliding sleeve is connected with the inner wall of the valve seat in a sliding mode.

As an optimal technical scheme, the top of the protective shell is provided with a thread seat, the thread seat and the protective shell are integrally formed, a thread section is arranged on the valve rod and inside the thread seat, the thread section is in threaded connection with the thread seat, and a rotary disc is welded at the top of the valve rod.

As an optimized technical scheme, a first bevel gear is mounted inside the valve rod and located on the protective shell, a transmission rod is arranged inside the protective shell and close to the edge of the front side, fixing rings are arranged at the upper end and the lower end of the transmission rod, the transmission rod is connected with the fixing rings in a rotating mode, the fixing rings are welded with the filling cover and the protective shell respectively, a second bevel gear is mounted on the transmission rod and close to the first bevel gear, the second bevel gear is connected with the first bevel gear in a meshed mode, and a first bevel gear is mounted on the transmission rod and close to the bottom end.

According to a preferable technical scheme, a conical gear II is mounted on the pointer rod and close to the conical gear I, the conical gear II is meshed with the conical gear I, a pointer is arranged on the pointer rod and located on the front side of the protective shell, and the pointer rod are integrally formed.

As a preferred technical scheme, a dial plate is arranged on the front side of the protective shell and positioned on the outer side of the pointer, and a plurality of uniformly distributed scale marks are arranged on the surface of the dial plate.

As an optimized technical scheme, flanges are arranged on the outer sides of the water inlet and the water outlet and are respectively welded with the water inlet and the water outlet.

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

1. the utility model discloses a be equipped with helical gear one, transfer line and pointer pole, when the valve rod rotates and adjusts the flow, make the transfer line rotate through helical gear one to drive the pointer pole and rotate, can know valve head amplitude of rise directly perceivedly through the pointer, thereby know the area change of throttle mouth, the convenience is controlled the flow.

2. The utility model discloses a be equipped with protecting crust and dial plate, when the pointer rotated, conveniently observed the rotation range of pointer through the dial plate to the flow size of throttle mouth is controlled to the convenience.

3. The utility model discloses a be equipped with seal cover, packings and sliding sleeve, can improve the inside leakproofness of valve body, avoid the fluid to leak to the convenience is controlled the flow.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the valve stem of the present invention;

FIG. 4 is a schematic structural view of a middle protective shell according to the present invention;

fig. 5 is a schematic structural view of the middle transmission rod of the present invention.

In the figure: 1. a valve body; 11. a water inlet; 12. a water outlet; 2. a valve seat; 21. sealing sleeves; 22. sealing and filling; 23. a filler cover; 3. a valve stem; 31. a valve head; 32. a sliding sleeve; 33. a first bevel gear; 34. a threaded segment; 35. a turntable; 4. a control sleeve; 5. a protective shell; 51. a threaded seat; 52. a dial plate; 6. a transmission rod; 61. a fixing ring; 62. a second bevel gear; 63. a first conical gear; 7. a finger needle rod; 71. a second bevel gear; 72. a pointer; 8. and (4) a flange.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a but sliding sleeve formula choke valve of accurate control flow size, including valve body 1, valve body 1 includes water inlet 11 and delivery port 12, water inlet 11 and delivery port 12 mutually perpendicular, the top of valve body 1 is equipped with disk seat 2,

disk seat

2 and 1 integrated into one piece of valve body, the inside of disk seat 2 is equipped with valve rod 3, the bottom of valve rod 3 is equipped with valve head 31,

valve head

31 and 3 integrated into one piece of valve rod, control sleeve 4 is installed to the inside of valve body 1 and the top that is located delivery port 12, valve head 31 cup joints the cooperation with control sleeve 4, the top of disk seat 2 is equipped with protecting crust 5, protecting crust 5 is equipped with open-ended hollow structure for the bottom, protecting crust 5's inside just is close to front side department and is equipped with pointer pole 7, pointer pole 7 runs through protecting

crust

5, and 5 swivelling joint with protecting crust.

It needs to be supplemented that, a sealing sleeve 21 is installed on the valve seat 2 and located on the outer side of the valve rod 3, the valve rod 3 is sleeved with the sealing sleeve 21, the valve rod 3 can be sealed through the sealing sleeve 21, thereby fluid leakage is avoided, a sealing filler 22 is arranged inside the valve seat 2 and above the sealing sleeve 21, the sealing filler 22 can further enhance the sealing effect of the sealing sleeve 21, a filler cover 23 is arranged above the sealing filler 22, the filler cover 23 plays a limiting role in the sealing filler 22, the sealing filler 22 is prevented from flowing out, and the filler cover 23 is fixedly connected with the valve seat 2 through a bolt.

Preferably, the valve rod 3 is provided with a sliding sleeve 32 above the valve head 31, the sliding sleeve 32 and the valve rod 3 are integrally formed, the sliding sleeve 32 is slidably connected with the inner wall of the valve seat 2, and the sliding sleeve 32 can seal between the valve rod 3 and the valve seat 2 to prevent fluid from flowing above the valve seat 2, so that the fluid can flow out of the water outlet 12 conveniently.

Preferably, the top of the protective shell 5 is provided with the threaded seat 51, the threaded seat 51 and the protective shell 5 are integrally formed, the valve rod 3 is provided with the threaded section 34 inside the threaded seat 51, the threaded section 34 is in threaded connection with the threaded seat 51, the top of the valve rod 3 is welded with the rotary table 35, the rotary table 35 is rotated, the threaded section 34 and the threaded seat 51 move relatively, the valve rod 3 can be lifted to drive the valve head 31 to move, and therefore the flow can be controlled conveniently.

Preferably, the first bevel gear 33 is mounted on the valve rod 3 and located inside the protective shell 5, the transmission rod 6 is disposed inside the protective shell 5 and close to the front edge, the fixing rings 61 are disposed at the upper end and the lower end of the transmission rod 6, the transmission rod 6 is rotatably connected with the fixing rings 61, the transmission rod 6 is convenient to rotate for transmission, the fixing rings 61 are respectively welded with the packing cover 23 and the protective shell 5, the second bevel gear 62 is mounted on the transmission rod 6 and close to the first bevel gear 33, the second bevel gear 62 is in meshed connection with the first bevel gear 33, when the valve rod 3 rotates, the first bevel gear 33 rotates to drive the second bevel gear 62 to rotate, so that the transmission rod 6 rotates for transmission, and the first bevel gear 63 is mounted on the transmission rod 6 and close to the bottom end.

It is worth to be noted that a second bevel gear 71 is mounted on the pointer rod 7 and close to the first bevel gear 63, the second bevel gear 71 is meshed with the first bevel gear 63, the transmission rod 6 rotates to drive the first bevel gear 63 to rotate, the second bevel gear 71 rotates to drive the pointer rod 7, so that the pointer 72 can rotate, the pointer 72 is arranged on the pointer rod 7 and located on the front side of the protective shell 5, the pointer 72 and the pointer rod 7 are integrally formed, the pointer rod 7 rotates to drive the pointer 72 to rotate, the lifting amplitude of the valve head 31 can be conveniently observed, and therefore the area change of the throttling opening can be known.

Preferably, the dial 52 is installed on the front side of the protective shell 5 and outside the pointer 72, and a plurality of evenly distributed scale marks are arranged on the surface of the dial 52, so that the rotation amplitude of the pointer 72 can be conveniently observed through the scale marks, the area change of the throttling opening can be known, and the flow rate can be conveniently controlled.

Preferably, the flange 8 is arranged on the outer side of each of the water inlet 11 and the water outlet 12, the flange 8 is welded with the water inlet 11 and the water outlet 12 respectively, and the valve body 1 is conveniently mounted through the flange 8.

The utility model discloses a but sliding sleeve formula choke valve of accurate control flow size when using, install valve body 1 on the pipeline through flange 8, rotate carousel 35, make carousel 35 drive valve rod 3 and rotate, screw thread section 34 and screw thread seat 51 relative motion, make valve rod 3 rise and drive valve head 31 and rise, valve head 31 breaks away from with control sleeve 4 gradually, the choke area enlarges gradually, fluid flows into delivery port 12 through water inlet 11, valve rod 3 drives sliding sleeve 32 and rises when rising, sliding sleeve 32 prevents that fluid from getting into inside valve seat 2, seal cover 21 and gland packing 22 are further sealed, prevent fluid leakage, valve rod 3 rotates and makes helical gear 33 rotate, helical gear 33 and two 62 meshing transmissions of helical gear, make transfer line 6 rotate and drive first conical gear 63, first conical gear 63 and two 71 meshing transmissions of conical gear, make the pointer pole 7 drive pointer 72 slow rotation, observe pointer 72's rotation range through dial plate 52, know the range of rising of valve head 31 to know the area change of throttle mouthful, thereby conveniently control flow's size through rotating carousel 35, can realize through the above-mentioned mode that the area change of knowing the throttle mouthful comes the flow size of accurate control choke valve, satisfy the demand of a sliding sleeve formula choke valve that can accurate control flow size.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a but sliding sleeve formula choke valve of accurate control flow size, includes valve body (1), its characterized in that: the water-saving valve is characterized in that the valve body (1) comprises a water inlet (11) and a water outlet (12), the water inlet (11) and the water outlet (12) are perpendicular to each other, a valve seat (2) is arranged at the top of the valve body (1), the valve seat (2) and the valve body (1) are integrally formed, a valve rod (3) is arranged inside the valve seat (2), a valve head (31) is arranged at the bottom end of the valve rod (3), the valve head (31) and the valve rod (3) are integrally formed, a control sleeve (4) is arranged inside the valve body (1) and above the water outlet (12), the valve head (31) and the control sleeve (4) are in sleeve joint matching, a protective shell (5) is arranged above the valve seat (2), the protective shell (5) is of a hollow structure with an opening at the bottom, a needle rod (7) is arranged inside the protective shell (5) and close to the front side, and the needle rod (7) penetrates through the protective shell (5), and is rotationally connected with the protective shell (5).

2. The sliding sleeve type throttle valve capable of accurately controlling the flow quantity according to claim 1, wherein: the sealing sleeve (21) is installed on the valve seat (2) and located on the outer side of the valve rod (3), the valve rod (3) is sleeved with the sealing sleeve (21), a sealing filler (22) is arranged inside the valve seat (2) and above the sealing sleeve (21), a filler cover (23) is arranged above the sealing filler (22), and the filler cover (23) is fixedly connected with the valve seat (2) through a bolt.

3. The sliding sleeve type throttle valve capable of accurately controlling the flow quantity according to claim 1, wherein: the valve is characterized in that a sliding sleeve (32) is arranged on the valve rod (3) and above the valve head (31), the sliding sleeve (32) and the valve rod (3) are integrally formed, and the sliding sleeve (32) is connected with the inner wall of the valve seat (2) in a sliding mode.

4. The sliding sleeve type throttle valve capable of accurately controlling the flow quantity according to claim 1, wherein: the top of protecting crust (5) is equipped with screw thread seat (51), screw thread seat (51) and protecting crust (5) integrated into one piece, the inside that just is located screw thread seat (51) on valve rod (3) is equipped with screw thread section (34), screw thread section (34) and screw thread seat (51) threaded connection, the top welding of valve rod (3) has carousel (35).

5. The sliding sleeve type throttle valve capable of accurately controlling the flow quantity according to claim 1, wherein: the utility model discloses a valve rod, including valve rod (3), valve rod (5), driving ring (61), fixed ring (61), transmission rod (6) and fixed ring (61), the internal mounting that just is located protecting crust (5) on valve rod (3) has helical gear (33), the inside of protecting crust (5) and be close to front side edge are equipped with transfer line (6), the upper and lower both ends of transfer line (6) all are equipped with fixed ring (61), transfer line (6) rotate with fixed ring (61) and are connected, fixed ring (61) weld with gland (23) and protecting crust (5) respectively, just be close to helical gear (33) department on transfer line (6) and install helical gear two (62), helical gear two (62) are connected with helical gear (33) meshing, on transfer line (6) and be close to bottom department and install conical gear (63).

6. The sliding sleeve type throttle valve capable of accurately controlling the flow quantity according to claim 1, wherein: the pointer rod (7) is provided with a second conical gear (71) close to the first conical gear (63), the second conical gear (71) is meshed with the first conical gear (63), a pointer (72) is arranged on the pointer rod (7) and on the front side of the protective shell (5), and the pointer (72) and the pointer rod (7) are integrally formed.

7. The sliding sleeve type throttle valve capable of accurately controlling the flow quantity according to claim 1, wherein: the dial plate (52) is installed on the front side of the protective shell (5) and located on the outer side of the pointer (72), and a plurality of uniformly distributed scale marks are arranged on the surface of the dial plate (52).

8. The sliding sleeve type throttle valve capable of accurately controlling the flow quantity according to claim 1, wherein: the outer sides of the water inlet (11) and the water outlet (12) are both provided with flanges (8), and the flanges (8) are respectively welded with the water inlet (11) and the water outlet (12).