CN218110673U

CN218110673U - Tool and valve device

Info

Publication number: CN218110673U
Application number: CN202222362167.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Sanhua Automotive Components Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-23
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a frock and valve gear, this frock are arranged in the equipment of valve unit and valve body, the frock includes main part and convex part, the convex part is relative the lower terminal surface of main part is protruding, the convex part is equipped with more than two, the convex part is greater than at the size of first direction the convex part is at the size of second direction, first direction does the circumference of main part, the second direction does the radial of main part. Through the structural optimization of the tool and the valve device, the risk of breakage of the convex part of the tool in the assembling process can be reduced.

Description

Tool and valve device

Technical Field

The utility model relates to a valve technical field especially relates to a frock and valve gear.

Background

The existing valve device comprises a valve body and a valve assembly, wherein the valve body is provided with an installation cavity for accommodating the valve assembly; when the valve assembly is assembled, the assembled valve assembly and the valve body are assembled normally, and a tool needs to be utilized to drive the valve assembly to rotate relative to the valve body in the assembling process so as to enable the valve assembly and the valve body to be screwed tightly through threads.

The mode of taking at present is that the frock overcoat is on the valve module to make frock and disk seat relatively fixed in circumference, it is specific, be equipped with two cylindrical convex parts on the frock, be equipped with on the disk seat with cylindrical convex part matched with cylindrical concave part, the frock overcoat is in the valve module back, in its cylindrical convex part can imbed the cylindrical concave part of disk seat, apply the revolving force to the frock then can drive the relative valve body rotation of valve module, finally realize that the threaded connection of valve module and valve body is fixed.

However, in actual assembly, it was found that the convex portion of the tool was at risk of breakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frock and valve gear, this frock are used for the equipment of valve unit's valve module and valve body, through the structural optimization to frock and valve unit, can reduce the cracked risk of convex part of frock in the equipment process.

In order to solve the technical problem, an embodiment of the utility model provides a tool for the equipment of valve unit and valve body in the valve gear, the tool includes main part and convex part, the convex part is relative the lower terminal surface of main part is protruding, the convex part is equipped with more than two, the convex part is greater than at the size of first direction the convex part is at the size of second direction, first direction does the circumference of main part, the second direction does the radial of main part.

The utility model discloses still provide another kind of frock for the equipment of valve unit and valve body in the valve gear, the frock includes the main part, the lower terminal surface of main part is equipped with downward bellied convex part, the convex part is equipped with more than three.

The utility model also provides a valve device, which comprises a valve body and a valve component, wherein the valve body and the valve component are assembled by the tool set in any one of the above items; the valve body is provided with a mounting cavity, the valve assembly comprises a valve seat, at least part of the valve seat is positioned in the mounting cavity, and the valve seat is in threaded connection with the valve body; the valve seat is provided with a concave part, and the convex part can be inserted into the concave part so as to limit the relative positions of the tool and the valve assembly in the circumferential direction;

the utility model provides a frock is used for the equipment of valve device's valve body and valve module, valve device and frock cooperation design. The utility model discloses following beneficial effect has:

in one scheme, the lower end face of the main body part of the tool is provided with more than two convex parts for matching with the concave part of the valve seat of the valve assembly, the size of the convex part in the first direction is larger than the size of the convex part in the second direction, the first direction is the circumferential direction of the main body part, the second direction is the radial direction of the main body part, and the concave part of the valve seat is of a structure matched with the convex part.

In another scheme, the lower terminal surface of the main part of frock is equipped with the convex part more than three, through increasing the quantity of the convex part and the concave part of mutually supporting, has improved the structural strength of frock, in the assembly process, can reduce the cracked risk of convex part of the in-process frock of screwing up.

Drawings

FIG. 1 is a schematic cross-sectional view of one embodiment of a valve assembly provided by the present invention;

FIG. 2 is a cross-sectional schematic view of the valve assembly of FIG. 1;

fig. 3 is a schematic structural diagram of an embodiment of the tool provided by the present invention;

FIG. 4 is a top view of a valve assembly mated with the tool of FIG. 3;

FIG. 5 is a schematic structural view of a valve assembly and a valve body assembled by using the tool shown in FIG. 3;

FIG. 6 is a schematic cross-sectional view of the tooling in cooperation with a valve assembly and a valve body;

fig. 7 is a schematic structural diagram of another embodiment of the tool provided by the present invention;

FIG. 8 is a top view of a valve assembly mated with the tooling shown in FIG. 7;

fig. 9 is a schematic structural view of the valve assembly and the valve body assembled by using the tool shown in fig. 7.

Description of reference numerals:

valve device 10, valve body 11, mounting cavity 111, valve assembly 12, valve seat 121, seat body 121A, recess 1211, planar wall 1211A, curved wall 1211B, valve seat core 121B, housing 122, coil 13;

the tool 20, the body 21, the convex 22, the plane 221, and the curved 222.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

The utility model provides a frock is arranged in the equipment of valve gear, specifically is arranged in the equipment of valve unit and valve body, and the relevant structure of frock and valve unit matches the design, and based on this, the following combines frock and valve unit to explain in the lump.

Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view of a valve device according to an embodiment of the present invention; fig. 2 is a schematic cross-sectional view of the valve assembly of fig. 1.

In the present embodiment, the valve device 10 includes a valve body 11 and a valve assembly 12, wherein the valve body 11 has a mounting cavity 111, and at least a part of the valve assembly 12 is located in the mounting cavity 111. The valve assembly 12 is fixed relative to the valve body 11.

The valve assembly 12 comprises a valve seat 121, a housing 122, a rotor, a transmission member and a valve needle, wherein the rotor, the transmission member and the valve needle are not shown in the figure, the housing 122 is fixed at the upper end of the valve seat 121, the rotor, the transmission member and the valve needle are positioned in a valve cavity formed between the housing 122 and the valve seat 121, and the valve device 10 further comprises a coil 13 externally sleeved on the housing 122; when the valve works, the coil 13 is electrified to drive the rotor to rotate, and the rotor drives the valve needle to be close to the valve port of the valve seat 121 or far away from the valve port of the valve seat 121 through the transmission part so as to regulate the flow.

Specifically, a first passage and a second passage which are communicated with the mounting cavity 111 are arranged in the valve body 11, and after the valve assembly 12 is mounted on the valve body 11, the first passage and the second passage can be communicated through a valve port of the valve assembly 12.

The structural arrangement of the rotor, the transmission components, the valve needle and the like of the valve assembly 12 and the arrangement of the channel in the valve body 11 and the like can be realized based on the prior art, which is not the core of the invention of the present application and will not be described in detail herein.

When the valve device 10 is assembled, the valve assembly 12 is assembled first, and then the valve assembly 12 is assembled with the valve body 11, specifically, at least a part of the valve seat 121 of the valve assembly 12 is located in the installation cavity 111, and the valve seat 121 is connected with the valve body 11 through a thread. In the illustrated scheme, the valve seat 121 includes a seat main body 121A and a valve seat core 121B that are separately disposed and fixed to each other, the valve seat core 121B is internally sleeved on the seat main body 121A, and on this basis, specifically, the seat main body 121A is fixed to the valve body 11 by threaded connection, obviously, the seat main body 121A has an external thread, and the valve body 11 has an internal thread. In another embodiment, the valve seat 121 may be formed integrally.

Please refer to fig. 3 to fig. 6, fig. 3 is a schematic structural diagram of an embodiment of the tool of the present invention; figure 4 is a top view of a valve assembly mated with the tool shown in figure 3.

The utility model provides a frock 20 is used for the equipment of valve module 12 and valve body 11, and the valve body 11 and the valve module 12 of aforementioned valve device 10 realize the equipment through this frock 20 promptly. During assembly, the tool 20 and the valve assembly 12 are limited and connected in the circumferential direction, and the tool 20 is rotated to drive the valve assembly 12 to rotate relative to the valve body 11, so that the valve assembly 12 is in threaded connection with the valve body 12.

As shown in fig. 3, in the present embodiment, the tool 20 includes a main body 21 and a convex portion 22, the convex portion 22 is provided on the lower end surface of the main body 21 and protrudes downward from the lower end surface of the main body 21; the main body 21 is cylindrical and can be externally fitted to the valve assembly 12, specifically, the main body is externally fitted to the housing 122 of the valve assembly 12 and then is engaged with the valve seat 121; the number of the protrusions 22 is two, and the size of the protrusion 22 in a first direction is larger than the size of the protrusion 22 in a second direction, wherein the first direction is the circumferential direction of the main body 21 and the second direction is the radial direction of the main body 21.

The peripheral wall of the projection 22 includes at least four surface portions, two of which are disposed opposite to each other in the circumferential direction of the main body portion 21 and two of which are disposed opposite to each other in the radial direction of the main body portion 21.

In the example shown in the drawing, the peripheral wall of the projection 22 includes four face portions including two flat surface portions 221 disposed opposite in the radial direction of the main body portion 21 and two curved surface portions 222 disposed opposite in the circumferential direction of the main body portion 21.

As shown in fig. 4, in the present embodiment, two recesses 1211 are provided on the seat main body 121A of the valve seat 121, and in the orientation shown in the drawing, the recesses 1211 are recessed downward so that the convex portion 22 of the tool 20 can be inserted into the recesses 1211 to define the relative positions of the tool 20 and the valve assembly 12 in the circumferential direction; the two recesses 1211 are positioned in correspondence with the two protrusions 22 of the tool 20, and the shape of the recesses 1211 also matches the shape of the protrusions 22, i.e., the inner wall of the recess 1211 includes four wall surfaces including two planar walls 1211A oppositely disposed in the radial direction of the seat body 121A, and a curved wall 1211b oppositely disposed in the circumferential direction of the seat body 121A. When the tool 20 is fitted to the seat body 121A of the valve seat 121, each surface of the convex portion 22 is fitted to the corresponding wall surface of the concave portion 1211.

In other embodiments, the two surfaces of the convex portion 22 facing each other in the radial direction may be curved surface portions, or the two surfaces of the convex portion 22 facing each other in the circumferential direction may be flat surface portions.

Referring to fig. 5 and 6 together, fig. 5 is a schematic structural view illustrating the assembly of the valve assembly and the valve body by using the tool shown in fig. 3; FIG. 6 is a cross-sectional schematic view of the tooling in cooperation with the valve assembly and valve body.

As shown in fig. 5, after the valve assembly 12 is assembled, the valve assembly 12 is inserted into the valve body 11, the tool 20 is sleeved on the outer casing 122 of the valve assembly 12, the convex portion 22 at the lower end of the tool 20 corresponds to the concave portion 1211 of the valve seat 121, and after the tool 20 moves down relative to the valve assembly 12, the convex portion 22 can be inserted into the concave portion 1211 at the corresponding position, so that the tool 20 and the valve assembly 12 are in limited connection in the circumferential direction, and then the tool 20 is rotated to drive the valve assembly 12 to rotate together, so that the valve seat 121 of the valve assembly 12 is in threaded connection with the valve body 11, as shown in fig. 6, after the tool 20 is used to screw the valve assembly 12 to the valve body 11, the tool 20 can be removed.

In the present embodiment, the dimensions of the convex portion 22 of the tool 20 and the concave portion 1211 of the valve seat 121 in the circumferential direction are larger than those in the radial direction, so that the structural strength of the tool 20 is improved, and the risk of breakage of the convex portion 22 of the tool 20 during the tightening process can be reduced.

In this embodiment, the two protruding portions 22 of the tool 20 are preferably uniformly arranged along the circumferential direction thereof at a certain distance, which is beneficial to the uniformity of the force between the tool 20 and the valve assembly 12 and ensures the reliability of the assembly. Of course, it is also possible that the two convex portions 22 of the tool 20 are not uniformly arranged in the circumferential direction.

Please refer to fig. 7 to 9 together, fig. 7 is a schematic structural diagram of another embodiment of the tooling provided by the present invention; FIG. 8 is a top view of a valve assembly mated with the tooling shown in FIG. 7;

The valve device and tooling 20 shown in fig. 7 to 9 have the same basic structural composition as the previous embodiment, and it can be understood with reference to the previous description, and the difference between the two is that: in this embodiment, the tool 20 has four convex portions 22 arranged on the lower end surface of the main body portion 21, and the four convex portions 22 are uniformly arranged at a certain interval along the circumferential direction of the main body portion 21, and it can be understood that the uniform arrangement at a certain interval means that the interval between two adjacent convex portions 22 is the same. Of course, in other embodiments, the spacing distance between two adjacent protrusions 22 may be different. The structural form of the projection 22 is identical to that of the previous embodiment and will not be repeated. Accordingly, in the valve device, the valve seat 121 of the valve assembly is provided with four recesses 1211 which are respectively matched with the four protrusions 22 of the tool, the number of the mutually matched protrusions 22 and recesses 1211 is increased, the structural strength of the tool 20 is further improved, and the risk of breakage of the protrusions 22 can be further reduced.

In addition to the two embodiments, in other embodiments, the number of the convex portions 22 of the tool 20 and the number of the concave portions 1211 of the valve seat 121 may vary, for example, three or five, and the like, and the plurality of convex portions 22 of the tool 20 may or may not be uniformly arranged along the circumferential direction of the tool 20, and may be determined according to the actual application requirement.

In other embodiments, the shapes of the convex portion 22 and the concave portion 1211 can be designed in a variable manner, and in general, based on the arrangement of at least two convex portions 22 and at least two concave portions 1211, the convex portion 22 is designed in such a manner that the dimension of the convex portion 22 in the circumferential direction of the main body portion 21 is larger than the dimension of the convex portion 22 in the radial direction of the main body portion 21, so as to improve the structural strength of the tool 20, particularly the position of the convex portion 22, and prevent the tool 20 from rotating relative to the valve assembly 12 to twist off the convex portion 22 during the tightening process. Illustratively, the cross-section of the protrusions 22 and the recesses 1211 may be oval, the recesses 1211 being of matching design.

Specifically, the ratio of the dimension of the protrusion 22 in the second direction (i.e., the radial direction of the main body 21) to the dimension of the protrusion 22 in the first direction (i.e., the circumferential direction of the main body 21) may be selected from the range of 1/4 to 3/4.

Of course, in other embodiments, the convex portion 22 and the concave portion 1211 may also be provided with a circular structure, that is, the convex portion 22 is cylindrical, and the concave portion 1211 is provided with a circular hole structure, in which case, the number of the convex portion 22 and the concave portion 1211 is preferably three or more, so as to provide structural strength for the tool 20 and reduce the risk of breaking the convex portion 22.

In the above-described modified embodiments, regardless of the number and shape of the convex portions 22 and the concave portions 1211, it is preferable that the convex portions 22 are uniformly arranged at intervals in the circumferential direction of the tool 20, and accordingly, the concave portions 1211 are also uniformly arranged at intervals in the circumferential direction of the valve seat 121, so that the force applied between the tool 20 and the valve assembly 12 is more uniform when assembling, but of course, the uniform arrangement of the convex portions 22 and the concave portions 1211 is not essential.

It is right above the utility model provides a frock and valve gear all introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims

1. The utility model provides a frock (20) for the equipment of valve unit (12) and valve body (11) in valve gear (10), its characterized in that, frock (20) include main part (21) and convex part (22), convex part (22) are relative the lower terminal surface of main part (21) is protruding, convex part (22) are equipped with more than two, convex part (22) are greater than in the size of first direction convex part (22) are in the size of second direction, first direction is the circumference of main part (21), the second direction is the radial of main part (21).

2. The tool according to claim 1, wherein the peripheral wall of the protrusion (22) comprises at least four face portions, wherein two face portions are oppositely disposed in the circumferential direction of the main body portion (21) and two face portions are oppositely disposed in the radial direction of the main body portion (21).

3. The tool according to claim 2, wherein two face portions opposite in the first direction are flat or curved; two opposite face portions in the second direction are flat or curved.

4. The tool according to any one of claims 1 to 3, wherein the main body portion (21) is of a cylindrical structure, and the two or more convex portions (22) are uniformly arranged at intervals along the circumferential direction of the main body portion (21).

5. The tool according to claim 4, characterized in that the number of the protrusions (22) comprises 2, 4.

6. A tool according to any one of claims 1 to 3, wherein the ratio of the dimension of the protrusion (22) in the second direction to the dimension of the protrusion (22) in the first direction is in the range 1/4 to 3/4.

7. The utility model provides a frock (20) for the equipment of valve unit (12) and valve body (11) in valve device (10), its characterized in that, frock (20) include main part (21), the lower terminal surface of main part (21) is equipped with convex part (22) protruding downwards, convex part (22) are equipped with more than three.

8. The tool according to claim 7, wherein the main body portion (21) is a cylindrical structure, three or more of the convex portions (22) are uniformly arranged along the circumferential direction of the main body portion (21), and the convex portions (22) are cylindrical structures.

9. Valve device (10) comprising a valve body (11) and a valve assembly (12), said valve body (11) and said valve assembly (12) being assembled by means of a tool (20) according to any one of claims 1 to 8; the valve body (11) is provided with a mounting cavity (111), the valve assembly (12) comprises a valve seat (121), at least part of the valve seat (121) is located in the mounting cavity (111), and the valve seat (121) is in threaded connection with the valve body (11); characterized in that the valve seat (121) has a recess (1211), the recess (1211) being insertable by the projection (22) to limit the relative position of the tool (20) and the valve assembly (12) in the circumferential direction;

the concave part (1211) is provided with more than two concave parts (1211), and the concave part (1211) is in a structure corresponding to the convex part (22); alternatively, the number of the recesses (1211) is three or more, and the recesses (1211) have a circular hole structure.

10. The valve device according to claim 9, wherein the valve seat (121) comprises a seat body (121A), the seat body (121A) being threadedly connected with the valve body (11), the seat body (121A) having an external thread, the valve body (11) having an internal thread; the recessed portions (1211) are provided in the seat main body (121A), and the recessed portions (1211) are arranged uniformly in the circumferential direction of the seat main body (121A).

11. A valve device according to claim 9 or 10, characterized in that the inner wall of the recess (1211) comprises at least four wall surfaces, of which two are oppositely arranged in the circumferential direction of the valve seat (121) and two are oppositely arranged in the radial direction of the valve seat (121), said wall surfaces fitting into the corresponding faces of the protrusion.