CN215214905U - Valve core structure for one-way valve - Google Patents
Valve core structure for one-way valve Download PDFInfo
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- CN215214905U CN215214905U CN202121812248.XU CN202121812248U CN215214905U CN 215214905 U CN215214905 U CN 215214905U CN 202121812248 U CN202121812248 U CN 202121812248U CN 215214905 U CN215214905 U CN 215214905U
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Abstract
The utility model relates to a check valve technical field specifically is a case structure for check valve, the upper end lateral wall center department of case body and the one end fixed connection of valve rod body mechanism, the downside fixedly connected with sealing washer of case body, the sealed mouthful that matches with the case body is seted up to the lateral wall of casing, be equipped with two elasticity supporting mechanism in the lateral wall of case body, and two elasticity supporting mechanism are located the bilateral symmetry setting of valve rod body mechanism respectively, two the one end of elasticity supporting mechanism respectively with the both sides fixed connection of valve rod body mechanism. The utility model discloses in, can weaken the pressure that the case body received through setting up valve rod body mechanism and elasticity supporting mechanism, improve the crushing resistance, increase of service life adopts the case body of compound galvanized copper material, and the material sound construction is corrosion-resistant, and case body bottom is the taper shape, accepts the face less to pressure, the pressure that reducible self bore, the leakproofness is good.
Description
Technical Field
The utility model relates to a check valve technical field specifically is a case structure for check valve.
Background
The check valve is commonly called as a check valve, is also called as a check valve or a check valve and is used for preventing reverse flow of oil flow in a hydraulic system or preventing reverse flow of compressed air in a pneumatic system, and has a straight-through type and a right-angle type, wherein the straight-through type check valve is installed on a pipeline by threaded connection, and the right-angle type check valve has three forms of threaded connection, plate type connection and flange connection.
The valve core structure of the existing one-way valve is too simple, the sealing performance is not enough, the valve core is often influenced by the impact force of water pressure or air pressure, the buffering performance of the valve core is poor, and the service life of the valve core is influenced. Accordingly, those skilled in the art have provided a valve cartridge structure for a check valve to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a case structure for check valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a valve core structure for a one-way valve comprises a valve core body, a valve rod body mechanism and a shell, wherein the center of the side wall of the upper end of the valve core body is fixedly connected with one end of the valve rod body mechanism, the lower side of the valve core body is fixedly connected with a sealing ring, the side wall of the shell is provided with a sealing port matched with the valve core body, two elastic supporting mechanisms are arranged in the side wall of the valve core body, the two elastic supporting mechanisms are respectively and symmetrically arranged at two sides of the valve rod body mechanism, and one ends of the two elastic supporting mechanisms are respectively and fixedly connected with two sides of the valve rod body mechanism;
valve rod body mechanism includes the hollow rod and the interior pole of vertical setting, the lower extreme and the case body fixed connection of interior pole, two elasticity supporting mechanism's one end respectively with the lower extreme both sides fixed connection of hollow rod, the one end that the case body was kept away from to interior pole runs through to extend to hollow rod in, annular spout has been seted up to hollow rod's inner wall, and the inner wall sliding connection of annular spout has a slide, the one end and the slide fixed connection of interior pole, the slide is kept away from the one end of interior pole and is passed through first pressure relief spring and hollow rod's upper end inner wall fixed connection.
As a further aspect of the present invention: elasticity supporting mechanism including offer in the case body the installation cavity and with hollow pole fixed connection's fixed block, the horizontal branch that sets up of fixedly connected with in the installation cavity, and the cover is equipped with the sliding sleeve on the branch, the inner wall fixed connection of hollow pole and installation cavity is passed through to one side that hollow pole was kept away from to the sliding sleeve, and the compression spring cover is located on the branch, the upside of sliding sleeve rotates through first pivot and is connected with the pendulum rod that the slope set up, the spout that sets up with the installation cavity intercommunication is seted up to the upside of case body, and the one end of pendulum rod runs through the spout setting, the fixed block is kept away from the one end rotation of first pivot through second pivot and pendulum rod and is connected.
As a further aspect of the present invention: the supporting rod is arranged in a cylindrical shape, and the outer side wall of the supporting rod is connected with the inner wall of the through hole of the sliding sleeve in a sliding mode.
As a further aspect of the present invention: the inner walls of the two sides of the sliding opening are connected with the outer side wall of the swing rod in a sliding mode.
As a further aspect of the present invention: the lower end of the hollow rod is provided with an opening, the inner rod penetrates through the opening, and the inner wall of the opening is connected with the outer side wall of the inner rod in a sliding mode.
As a further aspect of the present invention: and a second pressure-relieving spring is fixedly connected between the hollow rod and the valve core body and sleeved on the inner rod.
As a further aspect of the present invention: the bottom of the valve core body is arranged in a conical shape, and the valve core body is made of a composite galvanized copper component.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this device adopts the case body of compound galvanized copper material, and the material sound construction is corrosion-resistant, long service life, and the bottom of case body is the taper shape, and it is less to the pressure face of accepting, reduces the pressure that bears, and the sealing port on case body and the casing matches the laminating, adds the sealing washer, can improve the leakproofness.
2. Through setting up valve stem body mechanism, elasticity supporting mechanism and second slow compression spring, when the valve core body pressure-bearing, interior pole promotes the slide and slides in the annular chute on hollow rod, first slow compression spring receives the extrusion shrink and produces elasticity this moment, and simultaneously, the second slow compression spring receives the extrusion of valve core body and also contracts and produce elasticity, and simultaneously, the pendulum rod swings in the sliding opening, promote the sliding sleeve and slide on branch, compression spring also receives the extrusion shrink and produces elasticity, utilize first slow compression spring, the spring action of second slow compression spring and compression spring, can weaken the offset with the pressure that the valve core body received, thereby improve the crushing resistance of valve core body, prolong its life.
Drawings
FIG. 1 is a schematic perspective view of a valve core structure for a check valve;
FIG. 2 is a schematic diagram of a front cross-sectional view of a valve stem body mechanism in a valve core structure for a one-way valve;
fig. 3 is a schematic front sectional view of a valve core in a valve core structure for a one-way valve.
In the figure: 1. a valve core body; 2. a valve stem body mechanism; 201. a hollow shaft; 202. an inner rod; 203. an annular chute; 204. a slide plate; 205. a first pressure relief spring; 206. an opening; 3. a housing; 4. sealing the opening; 5. a mounting cavity; 6. a fixed block; 7. a strut; 8. a sliding sleeve; 9. a compression spring; 10. a first rotating shaft; 11. a swing rod; 12. a sliding port; 13. a second rotating shaft; 14. a second pressure relief spring; 15. and (5) sealing rings.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a valve core structure for a one-way valve includes a valve core 1, a valve rod mechanism 2 and a housing 3, a center of an upper side wall of the valve core 1 is fixedly connected to one end of the valve rod mechanism 2, a sealing ring 15 is fixedly connected to a lower side of the valve core 1, a sealing port 4 matched with the valve core 1 is formed in a side wall of the housing 3, the valve core 1 is matched and attached to the sealing port 4 on the housing 3, the sealing ring 15 is added to improve the sealing performance, two elastic support mechanisms are disposed in the side wall of the valve core 1, the two elastic support mechanisms are respectively disposed at two sides of the valve rod mechanism 2 symmetrically, and one ends of the two elastic support mechanisms are respectively fixedly connected to two sides of the valve rod mechanism 2;
the valve rod body mechanism 2 comprises a hollow rod 201 and an inner rod 202 which are vertically arranged, the lower end of the inner rod 202 is fixedly connected with the valve core body 1, one ends of the two elastic supporting mechanisms are respectively fixedly connected with two sides of the lower end of the hollow rod 201, one end of the inner rod 202, which is far away from the valve core body 1, penetrates into the hollow rod 201, the inner wall of the hollow rod 201 is provided with an annular chute 203, the inner wall of the annular chute 203 is connected with a sliding plate 204 in a sliding manner, one end of the inner rod 202 is fixedly connected with the sliding plate 204, one end of the sliding plate 204, which is far away from the inner rod 202, is fixedly connected with the inner wall of the upper end of the hollow rod 201 through a first pressure-relieving spring 205, when the valve core body 1 bears pressure, the inner rod 202 pushes the sliding plate 204 to slide in the annular chute 203 on the hollow rod 201, at the moment, the first pressure-relieving spring 205 is squeezed and contracted to generate elastic force, the pressure on the valve core body 1 can be weakened and offset, so as to improve the pressure resistance of the valve core body 1, the service life of the device is prolonged;
in fig. 1 and 3: the elastic supporting mechanism comprises a mounting cavity 5 arranged in the valve core body 1 and a fixed block 6 fixedly connected with the hollow rod 201, a support rod 7 transversely arranged is fixedly connected in the mounting cavity 5, a sliding sleeve 8 is sleeved on the support rod 7, one side, far away from the hollow rod 201, of the sliding sleeve 8 is fixedly connected with the inner wall of the mounting cavity 5 through a compression spring 9, the compression spring 9 is sleeved on the support rod 7, the upper side of the sliding sleeve 8 is rotatably connected with a swinging rod 11 obliquely arranged through a first rotating shaft 10, the upper side of the valve core body 1 is provided with a sliding opening 12 communicated with the mounting cavity 5, one end of the swinging rod 11 penetrates through the sliding opening 12, the fixed block 6 is rotatably connected with one end, far away from the first rotating shaft 10, of the swinging rod 11 through a second rotating shaft 13, when the valve core body 1 bears pressure, the inner rod 202 displaces, the swinging rod 11 swings in the sliding opening 12 to push the sliding sleeve 8 to slide on the support rod 7, and the compression spring 9 is also squeezed to generate elastic force, the pressure on the valve core body 1 can be weakened and offset, so that the pressure resistance of the valve core body 1 is improved, and the service life of the valve core body is prolonged;
in fig. 3: the supporting rod 7 is arranged in a cylindrical shape, and the outer side wall of the supporting rod 7 is in sliding connection with the inner wall of the through hole of the sliding sleeve 8, so that the sliding sleeve 8 can be conveniently displaced;
in fig. 3: the inner walls of the two sides of the sliding opening 12 are connected with the outer wall of the swing rod 11 in a sliding manner, so that the swing rod 11 can swing conveniently;
in fig. 2: an opening 206 is formed in the lower end of the hollow rod 201, the inner rod 202 penetrates through the opening 206, and the inner wall of the opening 206 is connected with the outer side wall of the inner rod 202 in a sliding mode, so that the inner rod 202 can move conveniently;
in fig. 1 and 2: a second pressure relief spring 14 is fixedly connected between the hollow rod 201 and the valve core body 1, and the inner rod 202 is sleeved with the second pressure relief spring 14, so that the buffering performance and the abutting force are improved;
in fig. 3: the bottom of the valve core body 1 is arranged in a conical shape, the pressure bearing surface is small, the bearing pressure is reduced, and the valve core body 1 is made of a composite galvanized copper component, so that the valve core body is firm in material structure, corrosion-resistant and long in service life.
The utility model discloses a theory of operation is: the device adopts the valve core body 1 made of the composite galvanized copper material, the material structure is firm, the corrosion resistance is realized, the service life is long, the bottom of the valve core body 1 is conical, the pressure bearing surface is small, the bearing pressure is reduced, the valve core body 1 is matched and attached with the sealing port 4 on the shell 3, and the sealing ring 15 is additionally arranged, so that the sealing property can be improved;
when the valve core body 1 bears pressure, the inner rod 202 pushes the sliding plate 204 to slide in the annular sliding groove 203 on the hollow rod 201, at the moment, the first pressure relief spring 205 is extruded and contracted to generate elastic force, meanwhile, the second pressure relief spring 14 is extruded by the valve core body 1 to also contract to generate elastic force, meanwhile, the oscillating bar 11 swings in the sliding opening 12 to push the sliding sleeve 8 to slide on the supporting rod 7, the compression spring 9 is also extruded and contracted to generate elastic force, and the pressure borne by the valve core body 1 can be weakened and offset by utilizing the elastic force action of the first pressure relief spring 205, the second pressure relief spring 14 and the compression spring 9, so that the pressure resistance of the valve core body 1 is improved, and the service life of the valve core body is prolonged.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A valve core structure for a one-way valve comprises a valve core body (1), a valve rod body mechanism (2) and a shell (3), and is characterized in that the center of the side wall of the upper end of the valve core body (1) is fixedly connected with one end of the valve rod body mechanism (2), the lower side of the valve core body (1) is fixedly connected with a sealing ring (15), the side wall of the shell (3) is provided with a sealing port (4) matched with the valve core body (1), two elastic supporting mechanisms are arranged in the side wall of the valve core body (1), the two elastic supporting mechanisms are respectively and symmetrically arranged at two sides of the valve rod body mechanism (2), and one ends of the two elastic supporting mechanisms are respectively and fixedly connected with two sides of the valve rod body mechanism (2);
valve rod body mechanism (2) are including hollow rod (201) and interior pole (202) of vertical setting, the lower extreme and the valve core body (1) fixed connection of interior pole (202), two the one end of elasticity supporting mechanism respectively with the lower extreme both sides fixed connection of hollow rod (201), the one end that the valve core body (1) was kept away from in interior pole (202) runs through and extends to hollow rod (201), annular chute (203) have been seted up to the inner wall of hollow rod (201), and the inner wall sliding connection of annular chute (203) has slide (204), the one end and slide (204) fixed connection of interior pole (202), the one end that interior pole (202) were kept away from in slide (204) is through the upper end inner wall fixed connection of first pressure relief spring (205) and hollow rod (201).
2. The valve core structure for the one-way valve according to claim 1, wherein the elastic supporting mechanism comprises a mounting cavity (5) arranged in the valve core body (1) and a fixing block (6) fixedly connected with the hollow rod (201), a transversely arranged support rod (7) is fixedly connected in the mounting cavity (5), a sliding sleeve (8) is sleeved on the support rod (7), one side of the sliding sleeve (8) far away from the hollow rod (201) is fixedly connected with the inner wall of the mounting cavity (5) through a compression spring (9), the compression spring (9) is sleeved on the support rod (7), the upper side of the sliding sleeve (8) is rotatably connected with an obliquely arranged swing rod (11) through a first rotating shaft (10), a sliding opening (12) communicated with the mounting cavity (5) is formed in the upper side of the valve core body (1), and one end of the swing rod (11) penetrates through the sliding opening (12), the fixed block (6) is rotatably connected with one end, far away from the first rotating shaft (10), of the swing rod (11) through a second rotating shaft (13).
3. The valve core structure for the one-way valve according to claim 2, wherein the supporting rod (7) is cylindrical, and the outer side wall of the supporting rod (7) is slidably connected with the inner wall of the through hole of the sliding sleeve (8).
4. The valve core structure for the one-way valve according to claim 2, wherein two side inner walls of the sliding port (12) are slidably connected with the outer side wall of the swing rod (11).
5. The valve core structure for the one-way valve according to claim 1, wherein an opening (206) is formed at the lower end of the hollow rod (201), the inner rod (202) is arranged through the opening (206), and the inner wall of the opening (206) is connected with the outer side wall of the inner rod (202) in a sliding mode.
6. The valve core structure for the one-way valve according to claim 1, wherein a second pressure relief spring (14) is fixedly connected between the hollow rod (201) and the valve core body (1), and the second pressure relief spring (14) is sleeved on the inner rod (202).
7. The valve core structure for the one-way valve according to claim 1, wherein the bottom of the valve core body (1) is arranged in a conical shape, and the valve core body (1) is made of a composite galvanized copper component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121812248.XU CN215214905U (en) | 2021-08-05 | 2021-08-05 | Valve core structure for one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121812248.XU CN215214905U (en) | 2021-08-05 | 2021-08-05 | Valve core structure for one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214905U true CN215214905U (en) | 2021-12-17 |
Family
ID=79426873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121812248.XU Active CN215214905U (en) | 2021-08-05 | 2021-08-05 | Valve core structure for one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214905U (en) |
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2021
- 2021-08-05 CN CN202121812248.XU patent/CN215214905U/en active Active
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