CN212360913U

CN212360913U - Throttle valve with one-way valve function

Info

Publication number: CN212360913U
Application number: CN202020042705.0U
Authority: CN
Inventors: 朱啟德
Original assignee: Kaida Hardware Technology Guangdong Co ltd
Current assignee: Kaida Hardware Technology Guangdong Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2021-01-15
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a choke valve with check valve function, including choke valve main part, ball, case, installation part, cavity one, cavity two, bolt, nut, recess, fixture block, spring one, support frame, guide arm, solid fixed ring, spring two, kelly, rectangle lead to groove and square groove. The utility model discloses the bolt removes along the nut, the bolt removes and promotes the fixture block, inside the fixture block removes and gets into the draw-in groove, and then connect choke valve main part and case, the fixture block removes and stretches spring one, spring one receives tensile production elasticity, the elasticity of spring one is convenient for the removal that resets of fixture block, along with the increase of pressure, promote the valve core and the choke valve main part removes, the choke valve main part removes and drives the kelly and removes, the kelly removes and drives the guide arm and remove, and then drive solid fixed ring and remove, gu fixed ring removes and stretches spring two, spring two receives tensile production elasticity, the elasticity of spring two is convenient for the removal that resets of case and choke valve main part.

Description

Throttle valve with one-way valve function

Technical Field

The utility model relates to a choke valve specifically is a choke valve with check valve function belongs to choke valve technical field.

Background

The conical cylindrical surface of the valve core is matched with the mounting part to form medium flow seal, and due to the flow interception effect of the ball in the middle of the valve core, a medium cannot flow to the second cavity through the middle small hole, the position of the throttle valve is adjusted, the medium can only flow to the second cavity through the gap around the conical surface, and the flow rate of the medium depends on the size of the gap; when the hydraulic medium needs to quickly flow back to the cavity from the cavity II, the gap between the conical surfaces cannot achieve the effect of a quick loop, the hydraulic medium pushes away the ball in the middle of the valve core along with the increase of the pressure of the hydraulic medium, and the hydraulic medium quickly flows back to the cavity I through the two small holes in the cylindrical surface of the valve core, so that the expected effect is achieved.

The choke valve that uses at present has certain defect, lacks stop gear, causes choke valve main part and case to take place to rotate easily and drops, reduces the practicality, lacks automatic regulating mechanism simultaneously, causes choke valve main part and the inconvenient removal of case and resets, and then has reduced the practicality. Therefore, a throttle valve with a check valve function is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a choke valve with check valve function just in order to solve above-mentioned problem.

The utility model discloses a technical scheme realizes above-mentioned purpose, a choke valve with check valve function, including choke valve main part, ball, case, installation part, cavity one, cavity two, stop gear and automatic regulating mechanism, the case is installed to choke valve main part bottom, and choke valve main part bottom extends to the case inside, the ball is installed to the case inside, choke valve main part and case assembly are inside the installation part, the installation part left end is seted up cavity one, the installation part bottom is seted up cavity two;

the limiting mechanism comprises bolts, nuts, grooves, a clamping block and a first spring, two grooves are symmetrically formed in the valve core, the first spring is fixedly installed in each groove, one end of each spring is fixedly installed on the clamping block, one end of each clamping block extends into each groove, one end of each clamping block extends into the throttle valve main body, two bolts are symmetrically installed on the annular side surface of the valve core main body, the nuts are installed on the annular side surfaces of the bolts, the outer sides of the nuts are fixedly installed in the valve core, and one ends of the bolts extend into the valve core and are attached to the clamping blocks;

automatic adjustment mechanism includes support frame, guide arm, solid fixed ring, spring two and kelly, the screw fixed mounting support frame is passed through on the installation part top, choke valve main part top installation kelly, and kelly top intermediate position fixed mounting guide arm, guide arm one end is passed the support frame and is extended to the support frame upside, solid fixed ring of fixed mounting is gone up to the guide arm annular side, installation spring two on the guide arm annular side, and two both ends of spring fixed mounting respectively on solid fixed ring and on the support frame.

Preferably, a rectangular through groove is formed in the top end of the throttle valve main body, two square grooves are symmetrically formed in the rectangular through groove, and a clamping rod is mounted in each square groove.

Preferably, the annular side surface of the throttle valve main body is provided with an external thread, the valve core is internally provided with an internal thread, and the throttle valve main body is connected with the valve core through the external thread and the internal thread.

Preferably, two small holes are symmetrically formed in the annular side face of the valve core, two clamping grooves are symmetrically formed in the annular side face of the throttle valve main body, the clamping grooves are aligned with the grooves, and one ends of the clamping blocks extend into the clamping grooves.

Preferably, the limiting mechanisms are provided with two groups, the two groups of limiting mechanisms are identical in structure, and the two groups of limiting mechanisms are symmetrically arranged on the annular side face of the valve core.

Preferably, a circular through hole is formed in the top end of the support frame, a guide rod is arranged in the circular through hole, more than two balls are uniformly arranged in the circular through hole, and the spherical side face of each ball is attached to the annular side face of the guide rod.

The utility model has the advantages that:

1. the first beneficial effect is that the internal thread and the external thread are used for connecting the throttle valve main body and the valve core, then a user twists the bolt, the bolt moves along the nut, the bolt moves to push the fixture block, the fixture block moves into the clamping groove and further connects the throttle valve main body and the valve core, the fixture block moves to stretch the first spring, the first spring is stretched to generate elastic force, the elastic force of the first spring is convenient for the fixture block to reset and move, and the problems that the throttle valve main body and the valve core are easy to rotate and fall off due to the lack of a limiting mechanism and the practicability is reduced are solved;

2. the second beneficial effect, along with the increase of pressure, promote the valve core and the choke valve main part removes, the choke valve main part removes and drives the kelly and remove, the kelly removes and drives the guide arm and remove, and then drive solid fixed ring and remove, gu fixed ring removes and stretches spring two, spring two receives tensile production elasticity, the elasticity of spring two is convenient for the case and the removal that resets of choke valve main part, solved and lacked automatic regulating mechanism, cause the inconvenient removal of choke valve main part and case and reset, and then reduced the drawback of practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the automatic adjustment mechanism of the present invention;

fig. 4 is a schematic structural view of the limiting mechanism of the present invention.

In the figure: 1. the throttle valve comprises a throttle valve body, 2, balls, 3, a valve core, 4, mounting parts, 5, a first cavity, 6, a second cavity, 7, a bolt, 8, a nut, 9, a groove, 10, a clamping block, 11, a first spring, 12, a supporting frame, 13, a guide rod, 14, a fixing ring, 15, a second spring, 16, a clamping rod, 17, a rectangular through groove, 18 and a square groove.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and 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. 1-4, a throttle valve with a check valve function includes a throttle valve main body 1, a ball 2, a valve core 3, a mounting part 4, a cavity one 5, a cavity two 6, a limiting mechanism and an automatic adjusting mechanism, wherein the valve core 3 is mounted at the bottom end of the throttle valve main body 1, the bottom end of the throttle valve main body 1 extends into the valve core 3, the ball 2 is mounted in the valve core 3, the throttle valve main body 1 and the valve core 3 are assembled in the mounting part 4, the cavity one 5 is formed at the left end of the mounting part 4, and the cavity two 6 is formed at the bottom end of the mounting part 4;

the limiting mechanism comprises a bolt 7, a nut 8, a groove 9, a clamping block 10 and a first spring 11, two grooves 9 are symmetrically formed in the valve core 3, the first spring 11 is fixedly installed in each groove 9, one end of the first spring 11 is fixedly installed on the clamping block 10, one end of the clamping block 10 extends into each groove 9, one end of the clamping block 10 extends into the throttle valve main body 1, two bolts 7 are symmetrically installed on the annular side surface of the valve core 3 main body, the nut 8 is installed on the annular side surface of each bolt 7, the outer side of each nut 8 is fixedly installed in the valve core 3, one end of each bolt 7 extends into the valve core 3 and is attached to the clamping block 10, a user connects the throttle valve main body 1 and the valve core 3 through internal threads and external threads, then the user twists the bolt 7, the bolt 7 moves along the nut 8, and the bolt 7 moves, the clamping block 10 moves into the clamping groove to further connect the throttle valve main body 1 and the valve core 3, the clamping block 10 moves to stretch the first spring 11, the first spring 11 is stretched to generate elastic force, and the elastic force of the first spring 11 is convenient for the reset movement of the clamping block 10;

the automatic adjusting mechanism comprises a support frame 12, a guide rod 13, a fixing ring 14, a second spring 15 and a clamping rod 16, the support frame 12 is fixedly installed at the top end of the installation part 4 through screws, the clamping rod 16 is installed at the top end of the throttle valve main body 1, the guide rod 13 is fixedly installed at the middle position of the top end of the clamping rod 16, one end of the guide rod 13 penetrates through the support frame 12 and extends to the upper side of the support frame 12, the fixing ring 14 is fixedly installed on the annular side surface of the guide rod 13, the second spring 15 is installed on the annular side surface of the guide rod 13, two ends of the second spring 15 are respectively and fixedly installed on the fixing ring 14 and the support frame 12, a user installs the clamping rod 16 in a square groove 18, then the user fixes the support frame 12 at the top end of the installation part 4, when a hydraulic medium needs to, the hydraulic medium pushes away a steel ball in the middle of the valve core 3 along with the increase of the pressure of the hydraulic medium, and rapidly flows back to the first cavity through the two small holes in the cylindrical surface of the valve core 3, so that the expected effect is achieved, the valve core 3 and the throttle valve body 1 are pushed to move along with the increase of the pressure, the throttle valve body 1 moves to drive the clamping rod 16 to move, the clamping rod 16 moves to drive the guide rod 13 to move, the fixing ring 14 is further driven to move, the fixing ring 14 moves to stretch the second spring 15, the second spring 15 is stretched to generate elastic force, and the elastic force of the second spring 15 facilitates the resetting movement of the valve core 3 and the.

The top end of the throttle valve main body 1 is provided with a rectangular through groove 17, two square grooves 18 are symmetrically formed in the rectangular through groove 17, a clamping rod 16 is arranged in each square groove 18, and the design is convenient for the clamping rod 16 to be arranged in the throttle valve main body 1; the annular side surface of the throttle valve body 1 is provided with an external thread, the valve core 3 is internally provided with an internal thread, and the throttle valve body 1 is connected with the valve core 3 through the external thread and the internal thread; two small holes are symmetrically formed in the annular side face of the valve element 3, two clamping grooves are symmetrically formed in the annular side face of the throttle valve main body 1 and are aligned with the grooves 9, one end of each clamping block 10 extends into each clamping groove, two groups of limiting mechanisms are arranged and have the same structure, and the two groups of limiting mechanisms are symmetrically arranged on the annular side face of the valve element 3; a circular through hole is formed in the top end of the support frame 12, a guide rod 13 is installed inside the circular through hole, more than two balls are evenly installed inside the circular through hole, and the spherical side face of each ball is attached to the annular side face of the guide rod 13.

The utility model discloses when using, utilize internal thread and external screw thread connection choke valve main part 1 and case 3, then the user twists bolt 7, and bolt 7 removes along nut 8, and bolt 7 removes and promotes fixture block 10, and inside fixture block 10 removed the entering draw-in groove, and then connect choke valve main part 1 and case 3, and fixture block 10 removes and stretches spring 11, and spring 11 receives tensile production elasticity, and the elasticity of spring 11 is convenient for the removal that resets of fixture block 10.

Along with the increase of pressure, promote case 3 and throttle valve body 1 and move, throttle valve body 1 moves and drives the card pole 16 and move, and card pole 16 moves and drives guide arm 13 and move, and then drive solid fixed ring 14 and move, and solid fixed ring 14 moves and stretches spring two 15, and spring two 15 receives the extension and produces elasticity, and the elasticity of spring two 15 is convenient for case 3 and throttle valve body 1's the removal that resets.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a choke valve with check valve function which characterized in that: the automatic control valve comprises a throttle valve main body (1), a ball (2), a valve core (3), an installation part (4), a first cavity (5), a second cavity (6), a limiting mechanism and an automatic adjusting mechanism, wherein the valve core (3) is installed at the bottom end of the throttle valve main body (1), the bottom end of the throttle valve main body (1) extends into the valve core (3), the ball (2) is installed in the valve core (3), the throttle valve main body (1) and the valve core (3) are assembled in the installation part (4), the first cavity (5) is formed in the left end of the installation part (4), and the second cavity (6) is formed in the bottom end of the installation part (4);

the limiting mechanism comprises bolts (7), nuts (8), grooves (9), a clamping block (10) and a first spring (11), the two grooves (9) are symmetrically formed in the valve core (3), the first spring (11) is fixedly installed in the grooves (9), one end of the first spring (11) is fixedly installed on the clamping block (10), one end of the clamping block (10) extends into the grooves (9), one end of the clamping block (10) extends into the throttle valve main body (1), the two bolts (7) are symmetrically installed on the annular side face of the valve core (3) main body, the nuts (8) are installed on the annular side face of the bolts (7), the outer side of each nut (8) is fixedly installed in the valve core (3), and one end of each bolt (7) extends into the valve core (3) and is attached to the clamping block (10);

automatic adjustment mechanism includes support frame (12), guide arm (13), solid fixed ring (14), spring two (15) and kelly (16), screw fixed mounting support frame (12) is passed through on installation part (4) top, throttle valve main part (1) top installation kelly (16), and kelly (16) top intermediate position fixed mounting guide arm (13), support frame (12) and extension to support frame (12) upside are passed to guide arm (13) one end, solid fixed ring (14) of fixed mounting on guide arm (13) annular side, install spring two (15) on guide arm (13) annular side, and spring two (15) both ends respectively fixed mounting on solid fixed ring (14) and on support frame (12).

2. The throttle valve with a check valve function according to claim 1, characterized in that: a rectangular through groove (17) is formed in the top end of the throttle valve main body (1), two square grooves (18) are symmetrically formed in the rectangular through groove (17), and clamping rods (16) are mounted in the square grooves (18).

3. The throttle valve with a check valve function according to claim 1, characterized in that: the throttling valve is characterized in that an external thread is arranged on the annular side face of the throttling valve main body (1), an internal thread is arranged in the valve core (3), and the throttling valve main body (1) is connected with the valve core (3) through the external thread and the internal thread.

4. The throttle valve with a check valve function according to claim 1, characterized in that: two small holes are symmetrically formed in the annular side face of the valve core (3), two clamping grooves are symmetrically formed in the annular side face of the throttle valve main body (1), the clamping grooves are aligned with the grooves (9), and one ends of the clamping blocks (10) extend into the clamping grooves.

5. The throttle valve with a check valve function according to claim 1, characterized in that: the limiting mechanisms are arranged in two groups, the two groups of limiting mechanisms are identical in structure, and the two groups of limiting mechanisms are symmetrically arranged on the annular side face of the valve core (3).

6. The throttle valve with a check valve function according to claim 1, characterized in that: a circular through hole is formed in the top end of the support frame (12), a guide rod (13) is installed inside the circular through hole, more than two balls are evenly installed inside the circular through hole, and the spherical side face of each ball is attached to the annular side face of the guide rod (13).