CN209977435U - Novel polyurethane foam valve rod - Google Patents
Novel polyurethane foam valve rod Download PDFInfo
- Publication number
- CN209977435U CN209977435U CN201920471699.8U CN201920471699U CN209977435U CN 209977435 U CN209977435 U CN 209977435U CN 201920471699 U CN201920471699 U CN 201920471699U CN 209977435 U CN209977435 U CN 209977435U
- Authority
- CN
- China
- Prior art keywords
- valve
- polyurethane foam
- stem
- valve rod
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 42
- 239000011496 polyurethane foam Substances 0.000 title claims abstract description 42
- 239000006260 foam Substances 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005574 cross-species transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The utility model discloses a novel polyurethane foam valve rod, the valve rod includes: the device comprises a base, a rod body and a valve rod head which are sequentially connected, wherein the outer diameters of the base and the valve rod head are larger than the outer diameter of the rod body; the rod body penetrates through a polyurethane foam rubber valve, and the base is matched with the rod head of the valve rod to fix the valve rod on the polyurethane foam rubber valve; the inner surface of the rod body is provided with a connecting thread, and the connecting thread is matched with a thread on a handle matched with the valve rod; the valve rod is internally provided with a foam channel which sequentially penetrates through the rod body and the valve rod head. Use the embodiment of the utility model provides a, make the internal content of jar spill over when having avoided the installation.
Description
Technical Field
The utility model relates to a valve rod, more specifically relate to novel polyurethane foam valve rod.
Background
Generally, it is common practice to pressurize and enclose a spray polyurethane foam composition in a polyurethane foam valve and can assembly, and the spray polyurethane foam composition is sold as a small volume can.
In order to facilitate storage of the spray polyurethane foam composition and to make the packaging of such pressurized cans as compact as possible, the length of the valve stem, which is straight and relatively short in length and smooth on the inside, is as short as possible. Because actuation is difficult on short valve stems, it is inconvenient for the user to use the valve stems on both types of cans and there is no guarantee of accuracy in dispensing the polyurethane foam composition in irregular positions. For this reason, these polyurethane foam composition tanks are often sold with a separate handle comprising an actuating device for facilitating the actuation of the valve stem and a duct which can direct the polyurethane foam composition spray, thus allowing a more precise and localised dispensing of the liquid.
In practice, the handle is typically secured directly to the valve stem by means of a snap-fit, bayonet-type connection. However, the inventors have found that when the handle is fixed to the valve stem, a certain pressure is required to be applied to the valve stem by the handle to fix the handle to the valve stem. The application of force to the valve stem causes the valve stem to be actuated, thereby causing the contents of the can to spill. Therefore, the prior art has the technical problem of causing the content of the tank body to overflow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel polyurethane foam valve rod is provided to the content that the jar body that exists among the solution prior art spills over the technical problem.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the embodiment of the utility model provides a novel polyurethane foam valve rod, the valve rod includes: a base, a rod body and a valve rod head which are connected in sequence, wherein,
the outer diameters of the base and the valve rod head are both larger than the outer diameter of the rod body;
the rod body penetrates through a polyurethane foam rubber valve, and the base is matched with the rod head of the valve rod to fix the valve rod on the polyurethane foam rubber valve;
the inner surface of the rod body is provided with a connecting thread, and the connecting thread is matched with a thread on a handle matched with the valve rod;
the valve rod is internally provided with a foam channel which sequentially penetrates through the rod body and the valve rod head.
Optionally, the base, the shaft and the valve rod head are of an integral structure.
Optionally, a through hole communicated with the foam channel is formed in the side wall of the rod body.
Optionally, the number of the through holes is at least two, and the distance between two adjacent through holes is the same.
Optionally, the opening cross-sectional area of the through hole on the outer side wall of the shaft body is larger than that of the through hole on the inner side wall of the shaft body.
Optionally, the opening of the through hole in the outer side wall of the shaft body and the opening of the through hole in the inner side wall of the shaft body are arranged on the same symmetrical plane.
Optionally, the opening of the through hole in the outer side wall of the shaft body is rectangular.
Optionally, the connecting thread is a double start thread.
Compared with the prior art, the utility model has the following advantages:
use the embodiment of the utility model provides a, the pole body internal surface of this kind of valve rod (gun type valve rod) is equipped with connecting thread, uses this kind of valve rod when the installation handle, through the rotation of handle, and then can apply an outside power to the valve rod, need not exert pressure to the valve rod, and the valve is actuated when having avoided the installation to make the internal content of jar spill over.
Drawings
Fig. 1 is a schematic structural diagram of a novel polyurethane foam valve stem provided by an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a novel polyurethane foam valve stem provided by an embodiment of the present invention;
fig. 3 is a B-direction cross-sectional view of a novel polyurethane foam valve stem provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a handle matched with a valve rod of a novel polyurethane foam valve provided by the embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Fig. 1 is a schematic structural diagram of a novel polyurethane foam valve stem provided by an embodiment of the present invention; fig. 2 is another schematic structural diagram of a novel polyurethane foam valve stem provided by an embodiment of the present invention; fig. 3 is a cross-sectional view of a novel polyurethane foam valve stem according to an embodiment of the present invention, shown in fig. 1 to 3, where the valve stem 10 includes: a base 101, a shaft 102, and a stem head 103 connected in this order from bottom to top, wherein,
the outer diameters of the base 101 and the valve rod head 103 are both larger than the outer diameter of the rod body 102;
the shaft 102 penetrates through a polyurethane foam rubber valve, and the base 101 and the valve rod head 103 are matched with a sealing plug to fix the valve rod 10 on the polyurethane foam rubber valve;
the inner surface of the rod body 102 is provided with connecting threads;
the valve stem 10 has a foam passage 105 formed therein, which passes through the stem body 102 and the stem head 103 in this order.
In practice, the base 101, shaft 102, and stem head 103 may be of unitary construction.
The valve of the can body has a through hole therein, and when such a valve stem is used, the valve stem is fitted in the through hole of the valve of the can body, and the valve stem can be moved relative to the valve, and when the valve stem 10 is depressed, that is, the valve stem 10 is actuated, the foam passage 105 inside the valve stem 10 communicates with a space in the can body in which foam is contained, and polyurethane foam is ejected by the pressure in the can body.
Fig. 4 is a schematic structural diagram of a handle matched with a novel polyurethane foam valve rod provided by the embodiment of the present invention, as shown in fig. 4, the handle includes: a discharge port 401, a handle body 402 and a base 403, which are arranged in sequence, wherein,
a discharge channel connected with the discharge hole 401 is arranged in the handle body 402;
one end of the base, which is far away from the handle body 402, extends along the central axis of the handle body 402 in the direction far away from the handle body 402 to form an extension portion 404, and the discharge channel extends through the extension portion 404;
the outer surface of the extension 404 is provided with a double-start connection thread that mates with a double-start thread provided in the foam channel 105 on the stem 10 that mates with the handle.
In a specific embodiment of the present invention, the included angle between the bending section 4052 and the central axis of the handle body 402 is an obtuse angle.
In a specific implementation manner of the embodiment of the present invention, the handle body 402 is further provided with a holding portion 406; the number of the holding portions 406 is two, and the two holding portions 406 are symmetrically disposed with respect to a plane on which the central axis of the handle body 402 is located as a symmetry plane.
By applying the embodiment shown in fig. 1 of the present invention, the inner surface of the stem 102 of the valve stem 10 (gun-type valve stem 10) is provided with the connecting thread, when the handle is installed on the valve stem 10, an outward force can be applied to the valve stem 10 by the rotation of the handle, and a downward pressure is not applied to the valve stem 10, thereby preventing the valve from being actuated during the installation, and thus preventing the content in the can from overflowing.
Moreover, since the existing valve stems 10 are sold (marketed) and have short valve stems 10 and long valve stems 10 without actuating devices, handles with actuating devices and handles without actuating devices are needed to be matched, so that the use is inconvenient for users.
In a specific embodiment of the present invention, in order to facilitate the processing and reduce the cost, the base 101, the shaft 102 and the valve rod head 103 are integrated.
In a specific embodiment of the present invention, in order to facilitate the outflow of the polyurethane foam, the sidewall of the shaft 102 is provided with a valve stem through hole 107 communicating with the foam passage 105.
In a specific implementation manner of the embodiment of the present invention, in order to improve the uniformity of the flowing of the polyurethane foam, the number of the valve rod through holes 107 is at least two, and the distance between two adjacent valve rod through holes 107 is the same.
In practical applications, the number of the stem through holes 107 may be an even number.
In a specific implementation manner of the embodiment of the present invention, in order to facilitate foaming of polyurethane foam, the opening cross-sectional area of the valve stem through hole 107 on the outer side wall of the stem 102 is larger than the opening cross-sectional area of the valve stem through hole 107 on the inner side wall of the stem 102.
In a specific implementation manner of the embodiment of the present invention, in order to facilitate the outflow of the polyurethane foam, the opening of the through-hole valve rod 107 on the outer side wall of the rod 102 and the opening of the through-hole valve rod 107 on the inner side wall of the rod 102 are arranged on the same symmetry axis (plane).
In a specific implementation manner of the embodiment of the present invention, for convenience of processing, the through-hole valve rod 107 is rectangular in shape at the opening of the outer side wall of the rod body 102.
In a particular embodiment of the present invention, the connecting thread is a double-start thread.
It should be emphasized that a double-start thread is two threads arranged side by side with the same direction of rotation.
Use the above-mentioned embodiment of the utility model discloses it is inseparabler to combine when can making sealed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. Novel polyurethane foam valve rod, its characterized in that, the valve rod includes: a base, a rod body and a valve rod head which are connected in sequence, wherein,
the outer diameters of the base and the valve rod head are both larger than the outer diameter of the rod body;
the rod body penetrates through a polyurethane foam rubber valve, and the base is matched with the rod head of the valve rod to fix the valve rod on the polyurethane foam rubber valve;
the inner surface of the rod body is provided with a connecting thread, and the connecting thread is matched with a thread on a handle matched with the valve rod;
the valve rod is internally provided with a foam channel which sequentially penetrates through the rod body and the valve rod head.
2. The novel polyurethane foam valve stem of claim 1, wherein the base, stem body, and stem head are of unitary construction.
3. The novel polyurethane foam valve stem of claim 1, wherein the sidewall of said stem is provided with a through-hole communicating with said foam channel.
4. The novel polyurethane foam valve stem of claim 3, wherein the number of the through holes is at least two, and the distance between two adjacent through holes is the same.
5. The novel polyurethane foam valve stem of claim 3, wherein the cross-sectional area of the opening of the through-hole in the outer sidewall of the stem is greater than the cross-sectional area of the opening of the through-hole in the inner sidewall of the stem.
6. The novel polyurethane foam valve stem of claim 5, wherein the opening of the through hole in the outer side wall of the stem is arranged in a common symmetrical plane with the opening of the through hole in the inner side wall of the stem.
7. The novel polyurethane foam valve stem of claim 3, wherein the opening of the through-hole in the outer sidewall of the stem is rectangular in shape.
8. The novel polyurethane foam valve stem of claim 1, wherein the connecting threads are double start threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920471699.8U CN209977435U (en) | 2019-04-09 | 2019-04-09 | Novel polyurethane foam valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920471699.8U CN209977435U (en) | 2019-04-09 | 2019-04-09 | Novel polyurethane foam valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977435U true CN209977435U (en) | 2020-01-21 |
Family
ID=69257192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920471699.8U Expired - Fee Related CN209977435U (en) | 2019-04-09 | 2019-04-09 | Novel polyurethane foam valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742679A (en) * | 2020-12-31 | 2021-05-04 | 安徽高德韦尔精密部件有限公司 | Lever type polyurethane foam rubber handle |
-
2019
- 2019-04-09 CN CN201920471699.8U patent/CN209977435U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742679A (en) * | 2020-12-31 | 2021-05-04 | 安徽高德韦尔精密部件有限公司 | Lever type polyurethane foam rubber handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |