CN213450809U

CN213450809U - Metal valve plate and valve cover

Info

Publication number: CN213450809U
Application number: CN202021468555.6U
Authority: CN
Inventors: 雷澳
Original assignee: Shenzhen Huachuang Science And Technology Co ltd
Current assignee: Shenzhen Huachuang Science And Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-06-15
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a metal valve block and valve gap, wherein, the metal valve block includes the valve block body and is fixed in the inside first tongue piece and the second tongue piece of valve block body, and the valve block body runs through and is equipped with first mounting hole and second mounting hole, and first tongue piece slope sets up in first mounting hole, and second tongue piece slope sets up in the second mounting hole, has first clearance between first tongue piece and the valve block body, has the second clearance between second tongue piece and the valve block body. The utility model discloses a metal valve block, because first tongue piece and second tongue piece are that the slope sets up, consequently can prolong the two length as far as to strengthen its elasticity, a metal valve block just can control fluidic input and output moreover, can reduce the manufacturing cost of the pump that uses this metal valve block.

Description

Metal valve plate and valve cover

Technical Field

The utility model relates to a pump technical field especially relates to a metal valve block and use valve gap of this metal valve block.

Background

The metal valve plate has the characteristics of long service life and high temperature resistance, so the metal valve plate is widely applied to various pumps. The basic structure of the metal valve plate is that a rectangular valve plate is provided with a gap to form a tongue-shaped reed, in the process of conveying fluid, pressure difference is generated on two sides of the reed, and the reed is deformed under the pushing of the fluid, so that the fluid can freely pass through the metal valve plate to play a role in conveying the fluid. However, in the conventional metal valve plate, the tongue spring usually extends from one side of the valve plate to the other side, the length of the tongue spring is greatly limited due to the arrangement mode, the maximum length cannot exceed the length of the valve plate in the extending direction of the tongue spring, and the length of the tongue spring is short, so that the elasticity of the tongue spring is weakened.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a metal valve plate for solving the problem of weak elasticity caused by short length of the tongue of the existing metal valve plate. The second objective of the present invention is to provide a valve cover, which uses the metal valve plate as described above.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the utility model provides a metal valve block, includes the valve block body and is fixed in inside first tongue piece and the second tongue piece of valve block body, the valve block body runs through and is equipped with first mounting hole and second mounting hole, first tongue piece slope set up in the first mounting hole, the second tongue piece slope set up in the second mounting hole, first tongue piece with there is first clearance between the valve block body, the second tongue piece with there is the second clearance between the valve block body.

Further, the first gap and/or the second gap are both U-shaped.

Furthermore, the valve plate body is also provided with a positioning hole in a penetrating mode.

Furthermore, the valve plate body is of a rectangular structure with round corners, and two corners of the valve plate body, which are diagonally arranged, are respectively provided with a fixing hole.

Furthermore, a connecting line of centers of the two fixing holes is defined as a diagonal line of the valve plate body, and the first tongue piece and the second tongue piece are respectively arranged on two sides of the diagonal line.

Further, the first tongue piece and the second tongue piece are parallel to the diagonal line, and the extending direction of the first tongue piece is opposite to the extending direction of the second tongue piece.

Further, first tongue includes the first connecting portion of rectangle and the first tongue of semicircular in shape, first connecting portion connect first tongue with the valve block body.

Further, the second tongue piece includes the second connecting portion that is the rectangle and the semicircular second tongue portion of being the shape, the second connecting portion connect the second tongue portion with the valve block body.

Further, the valve plate body, the first tongue piece and the second tongue piece are integrated into one piece.

The second purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a valve cover, including the valve cover body that is equipped with the runner and as above the metal valve block, the valve cover body includes that end cover and lid are located the apron of end cover, the metal valve block is located the end cover with between the apron, the runner is including locating the input tube of end cover, locate the end cover orientation apron one side and with the input hole of input tube intercommunication, run through the apron and with the relative first room that holds that sets up of input hole, locate the end cover and with input tube looks spaced output tube, concave locate the end cover orientation apron one side and with the second of output tube intercommunication holds the room and runs through the apron and with the relative delivery outlet that sets up of second holding chamber, first tongue piece covers the input hole, the second tongue piece covers the delivery outlet.

Compared with the prior art, the beneficial effects of the utility model reside in that: the first tongue piece is obliquely arranged in the first mounting hole, and the second tongue piece is obliquely arranged in the second mounting hole, so that the lengths of the first tongue piece and the second tongue piece can be prolonged as far as possible under the limit of the length of the valve plate body, and the elasticity of the first tongue piece and the second tongue piece is enhanced; and because one metal valve plate is provided with the first tongue piece and the second tongue piece, one of the first tongue piece and the second tongue piece can control the input of fluid, and the other one can control the output of fluid, namely, one metal valve plate can control the output and the input of the fluid, thereby reducing the production cost of the valve cover using the metal valve plate.

Drawings

Fig. 1 is a schematic structural diagram of a valve cover according to an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the valve cover shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the metal valve plate shown in FIG. 2;

FIG. 4 is a schematic structural view of the end cap shown in FIG. 2;

FIG. 5 is a schematic structural view of the cover plate shown in FIG. 2;

fig. 6 is a schematic structural view of the flexible sealing ring shown in fig. 2.

In the figure: 100. a valve cover; 10. a bonnet body; 11. an end cap; 12. a cover plate; 20. a metal valve plate; 21. a valve plate body; 22. a first tongue piece; 23. a second tongue; 24. a first gap; 25. a second gap; 111. an input tube; 112. an input aperture; 113. an output pipe; 121. a first accommodating chamber; 114. a second accommodating chamber; 122. an output aperture; 211. positioning holes; 115. a positioning column; 123. concave holes; 212. a fixing hole; 116. a convex column; 124. a groove; 213. a first connection hole; 117. a second connection hole; 125. a third connection hole; 221. a first connection portion; 222. a first tongue portion; 231. a second connecting portion; 232. a second tongue portion; 30. a flexible sealing ring; 13. a containing groove; 31. an annular frame body; 32. a connecting beam; 33. a first abutting portion; 34. a second abutting portion; 311. a first avoidance portion; 312. a second avoidance portion.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1 to 6, an embodiment of the present invention provides a valve cover 100 for a pump, the valve cover 100 includes a valve cover body 10 having a flow channel and a metal valve plate 20, the cover body includes an end cover 11 and a cover plate 12 covering the end cover 11, the metal valve plate 20 is disposed between the end cover 11 and the cover plate 12, the metal valve plate 20 includes a valve plate body 21 and a first tongue piece 22 and a second tongue piece 23 fixed inside the valve plate body 21, the valve plate body 21 is provided with a first mounting hole and a second mounting hole penetrating through two opposite sides of the valve plate body 21, the first tongue piece 22 is obliquely disposed in the first mounting hole, the second tongue piece 23 is obliquely disposed in the second mounting hole, a first gap 24 is formed between the first tongue piece 22 and the valve plate body 21, and a second gap 25 is formed between the second tongue piece 23 and the valve plate body 21; the flow passage comprises an input pipe 111 arranged on the end cover 11, an input hole 112 arranged on one side of the end cover 11 facing the cover plate 12 and communicated with the input pipe 111, a first accommodating chamber 121 penetrating through the cover plate 12 and arranged opposite to the input hole 112, an output pipe 113 arranged on the end cover 11 and spaced from the input pipe 111, a second accommodating chamber 114 concavely arranged on one side of the end cover 11 facing the cover plate 12 and communicated with the output pipe 113, and an output hole 122 penetrating through the cover plate 12 and arranged opposite to the second accommodating chamber 114, wherein the first tongue piece 22 covers the input hole 112, and the second tongue piece 23 covers the output hole 122.

In this embodiment, one end of the first tongue piece 22 is connected to the hole wall of the first mounting hole, the rest of the first tongue piece 22 and the hole wall of the first mounting hole form a first gap 24, one end of the second tongue piece 23 is connected to the hole wall of the second mounting hole, the rest of the second tongue piece 23 and the hole wall of the second mounting hole form a second gap 25, so that the first tongue piece 22 and the second tongue piece 23 are both in a cantilever structure, and both have certain elasticity and can deform relative to the valve sheet body 21, the fluid enters the flow channel from the orifice of the input pipe 111 and then reaches the input hole 112, so that a pressure difference is generated between both sides of the first tongue piece 22, the first tongue piece 22 is pushed to deform, and then the fluid enters the first accommodating chamber 121 from the gap between the first tongue piece 22 and the end cover 11, and both the first accommodating chamber 121 and the output hole 122 penetrate through the cover plate 12, so that the fluid in the first accommodating chamber 121 can be output hole 122 from the side of the cover plate 12 far from the end cover plate 11, and a pressure difference is generated between both sides of the second tongue piece 23, the fluid can enter the second containing chamber 114 through the gap between the second tongue piece 23 and the cover plate 12, and finally is discharged through the output pipe 113 communicated with the second containing chamber 114. Because the first tongue piece 22 and the second tongue piece 23 are obliquely arranged, under the limitation of the size of the valve plate body 21, the oblique arrangement can prolong the lengths of the first tongue piece 22 and the second tongue piece 23 as much as possible so as to enhance the elasticity of the first tongue piece 22 and the second tongue piece 23, thereby facilitating the deformation of the first tongue piece 22 and the second tongue piece 23. Moreover, since one metal valve plate 20 includes two tongues, the first tongue 22 can control the opening and closing of the input hole 112, and the second tongue 23 can control the opening and closing of the output hole 122, that is, one metal valve plate 20 can control the input and output of fluid, thereby reducing the production cost of a pump using the valve cover 100.

As a modification of this embodiment, the first gap 24 and/or the second gap 25 are U-shaped. In this embodiment, the first gap 24 and the second gap 25 are both U-shaped, and the first tongue piece 22, the second tongue piece 23, and the valve sheet body 21 are integrally formed. It can be understood that the first tongue piece 22 and the valve plate body 21, and the second tongue piece 23 and the valve plate body 21 can also be connected together by a rotating shaft or welding.

As an improvement of this embodiment, the valve plate body 21 is provided with positioning holes 211 penetrating through two opposite sides of the valve plate body 21. In this embodiment, the end cap 11 is provided with a positioning post 115 matching with the positioning hole 211, and one side of the cover plate 12 facing the end cap 11 is provided with a concave hole 123 matching with the positioning post 115, so that when the valve cover 100 is assembled, the positioning post 115 can pass through the positioning hole 211 to quickly find the mounting position of the metal valve plate 20, and after the metal valve plate 20 is mounted, the positioning post 115 is inserted into the concave hole 123, so as to quickly and accurately assemble the metal valve plate 20, the end cap 11, and the cover plate 12 together, thereby improving the production efficiency.

The number of the positioning posts 115, the positioning holes 211 and the concave holes 123 is not limited, and is preferably one in this embodiment.

As an improved mode of this embodiment, the valve plate body 21 is a rectangular structure with round corners, that is, the valve plate body 21 is rectangular, but four corners of the valve plate body are round corners, and two corners of the valve plate body 21, which are diagonally arranged, are respectively provided with a fixing hole 212.

In this embodiment, two corners of the end cap 11, which are diagonally disposed, are provided with the protruding columns 116 for passing through the two fixing holes 212, the cover plate 12 is provided with the grooves 124 for inserting the protruding columns 116, the protruding columns 116 pass through the fixing holes 212 and then are inserted into the grooves 124, so as to tightly press the metal valve plate 20 on the cover plate 12, and the metal valve plate 20, the end cap 11, and the cover plate 12 can be quickly and accurately assembled together by matching with the positioning columns 115, the positioning holes 211, and the concave holes 123.

Preferably, the other two corners of the valve plate body 21 are respectively provided with a first connecting hole 213, the end cover 11 and the cover plate 12 are respectively provided with a second connecting hole 117 and a third connecting hole 125 which are opposite to the first connecting hole 213, and the end cover 11, the metal valve plate 20 and the cover plate 12 can be connected together after the connecting member sequentially passes through the first connecting hole 213, the second connecting hole 117 and the third connecting hole 125.

As an improvement of this embodiment, a connecting line of centers of the two fixing holes 212 is defined as a diagonal line of the valve plate body 21, the first tongue piece 22 and the second tongue piece 23 are respectively disposed at two sides of the diagonal line, the first tongue piece 22 and the second tongue piece 23 are both parallel to the diagonal line, and an extending direction of the first tongue piece 22 is opposite to an extending direction of the second tongue piece 23.

As an improvement of this embodiment, the first tongue piece 22 includes a first connecting portion 221 in a rectangular shape and a first tongue portion 222 in a semicircular shape, two ends of the first connecting portion 221 respectively connect with the first tongue portion 222 and the valve plate body 21, the second tongue piece 23 includes a second connecting portion 231 in a rectangular shape and a second tongue portion 232 in a semicircular shape, and two ends of the second connecting portion 231 respectively connect with the second tongue portion 232 and the valve plate body 21.

As an improvement of this embodiment, the valve cover 100 further includes a flexible sealing ring 30, one flexible sealing ring 30 is disposed between the end cover 11 and the metal valve plate 20, and between the cover plate 12 and the metal valve plate 20, the metal valve plate 20 is located between the two flexible sealing rings 30, and two opposite sides of the end cover 11 and the cover plate 12 are both recessed with an accommodating groove 13 for installing the flexible sealing ring 30, so as to enhance the sealing performance of the valve cover body 10.

Preferably, the flexible sealing ring 30 includes an annular frame 31, a connecting beam 32, a first abutting portion 33 and a second abutting portion 34, the connecting beam 32, the first abutting portion 33 and the second abutting portion 34 are all located in the annular frame 31, two corners of the annular frame 31, which are diagonally disposed, are recessed inward to form a first avoiding portion 311 for avoiding the protruding column 116, the connecting beam 32 connects the two first avoiding portions 311, both ends of the first abutting portion 33 and the second abutting portion 34 are respectively connected with the connecting beam 32 and the annular frame 31, the first abutting portion 33 and the second abutting portion 34 are respectively located on two opposite sides of the connecting beam 32, the first abutting portion 33 abuts against the first tongue piece 22, the second abutting portion 34 abuts against the second tongue piece 23, that is, there is a first abutting portion 33 between the first tongue piece 22 and the end cover 11 and the cover plate 12, there is a second abutting portion 34 between the second tongue piece 23 and the end cover 11 and the cover plate 12, thus, the two will not be in rigid contact with the end cap 11 and the cover plate 12 during the deformation process or the process of returning to the original state, thereby prolonging the service life of the valve cover 100 and reducing the noise generated during the operation process.

Preferably, the first abutting portion 33 abuts against an end of the first connecting portion 221 away from the first tongue 222, the second abutting portion 34 abuts against an end of the second connecting portion 231 away from the second tongue 232, an extending direction of the first abutting portion 33 is perpendicular to an extending direction of the first tongue 22, and an extending direction of the second abutting portion 34 is perpendicular to an extending direction of the second tongue 23.

In this embodiment, the other two diagonally disposed corners of the annular frame 31 are recessed inward to form second avoiding portions 312 for avoiding the connection element passing through the first connection hole 213, and a connection line of the two first avoiding portions 311 and a connection line of the two second avoiding portions 312 intersect in an X shape.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a metal valve block, its characterized in that includes the valve block body and is fixed in inside first tongue piece and the second tongue piece of valve block body, the valve block body runs through and is equipped with first mounting hole and second mounting hole, first tongue piece slope set up in the first mounting hole, second tongue piece slope set up in the second mounting hole, first tongue piece with there is first clearance between the valve block body, the second tongue piece with there is the second clearance between the valve block body.

2. The metal valve sheet of claim 1, wherein the first gap and/or the second gap are both U-shaped.

3. The metal valve plate of claim 1, wherein the valve plate body further comprises a positioning hole.

4. The metal valve plate of claim 1, wherein the valve plate body has a rectangular structure with rounded corners, and the two corners of the valve plate body that are diagonally arranged are respectively provided with a fixing hole.

5. The metal valve sheet of claim 4, wherein a connecting line defining centers of the two fixing holes is a diagonal line of the valve sheet body, and the first tongue piece and the second tongue piece are respectively disposed on two sides of the diagonal line.

6. The metal valve sheet of claim 5, wherein the first tongue and the second tongue are both parallel to the diagonal line, and the first tongue extends in a direction opposite to the second tongue.

7. The metal valve sheet of claim 1, wherein the first tongue comprises a first connecting portion and a first tongue portion, the first connecting portion connects the first tongue portion and the sheet body.

8. The metal valve plate of claim 1, wherein the second tongue comprises a second connecting portion and a second tongue portion, the second connecting portion connects the second tongue portion and the valve plate body.

9. The metal valve sheet of claim 1, wherein the sheet body, the first tongue, and the second tongue are integrally formed.

10. A valve cover comprising a valve cover body provided with a flow passage and the metal valve sheet according to any one of claims 1 to 9, the valve cover body comprises an end cover and a cover plate covered on the end cover, the metal valve plate is arranged between the end cover and the cover plate, the runner is including locating the input tube of end cover, locating the end cover orientation apron one side and with the input hole of input tube intercommunication, run through the apron and with the relative first room that holds that sets up of input hole, locate the end cover and with input tube looks spaced output tube, concave locate the end cover orientation apron one side and with the second of output tube intercommunication holds the room and runs through the apron and with the second holds the relative delivery port that sets up of room, first tongue piece covers the input hole, the second tongue piece covers the delivery port.