CN216478114U - Reversing letter-taking valve for hydraulic grouting pump - Google Patents
Reversing letter-taking valve for hydraulic grouting pump Download PDFInfo
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- CN216478114U CN216478114U CN202123199242.2U CN202123199242U CN216478114U CN 216478114 U CN216478114 U CN 216478114U CN 202123199242 U CN202123199242 U CN 202123199242U CN 216478114 U CN216478114 U CN 216478114U
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Abstract
The utility model discloses a hydraulic pressure slip pump is with switching-over letter valve of getting belongs to hydraulic control component technical field, the water-cooled hydraulic control valve comprises a valve body, first hydraulic fluid port that connects has been seted up to the bottom of valve body, the switching-over valve interface has been seted up to one side of valve body, the inside of valve body is provided with the valve barrel, the interior bottom of valve body is provided with jack-up mechanism, the inside slip of valve barrel is provided with the case. The utility model discloses the setting of sealed lid bottom internal thread groove, the spacing dish of external screw thread pipe cooperation through internal thread inslot internally mounted uses for when the reset spring elasticity descends after the device uses for a long time, can control moving down of external screw thread pipe, improve the extrusion effect to reset spring, ensure the normal use of device then, the setting of valve body bottom mounting groove, through the inside jacking spring of mounting groove, make the device when dismantling the change, can jack-up valve barrel and case, conveniently change.
Description
Technical Field
The utility model relates to a letter valve especially relates to a letter valve is got with switching-over to hydraulic pressure grouting pump, belongs to hydraulic control component technical field.
Background
The grouting pump adopts compressed oil or compressed air as a power source, and utilizes a larger acting area ratio of an oil cylinder or an air cylinder and a grouting cylinder, so that a cylinder body can generate higher injection pressure with smaller pressure;
get letter valve in-process spring that uses need frequent compression and reset, elasticity is lower after long-time the use, and direct replacement is adopted to current mode, has reduced the life of spring, and in the change in-process of case and valve barrel, because seal between valve barrel and the valve body, it is comparatively inconvenient to taking out of valve barrel, and it is relatively poor to seal the effect after wearing and tearing between traditional case and the valve barrel in addition, has reduced the life of device, consequently, the utility model provides a hydraulic pressure grouting pump is with switching-over letter valve in order to solve the problem that exists among the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a hydraulic pressure grouting pump is with switching-over valve of asking for to solve among the prior art spring life low and change inconvenient problem.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a reversing letter-taking valve for a hydraulic grouting pump comprises a valve body, wherein the bottom of the valve body is provided with a first oil receiving port, a reversing valve interface is arranged on one side of the valve body, a valve sleeve is arranged in the valve body, a jacking mechanism is arranged at the inner bottom of the valve body, the valve core is arranged in the valve sleeve in a sliding manner, the first oil receiving port is communicated with the inner bottom of the valve sleeve, a sealing mechanism is arranged between the bottom end of the valve core and the inner bottom of the valve sleeve, both sides of the valve sleeve are provided with through holes, a return spring is arranged inside the valve core, a sealing cover is arranged at the top of the valve body, a second oil receiving port is arranged at the top of the sealing cover, the bottom of the sealing cover is provided with an internal thread groove, the internal thread of the internal thread groove is provided with an external thread pipe, the bottom of external screw thread pipe is installed spacing dish, the bottom of spacing dish and reset spring's top laminating.
Preferably: the jacking mechanism comprises a mounting groove and a jacking spring, the mounting groove is formed in the inner bottom of the valve body, and the jacking spring is arranged inside the mounting groove.
Preferably, the following components: the sealing mechanism comprises an arc-shaped groove and an arc-shaped bulge, the arc-shaped groove is formed in the bottom of the valve core, the arc-shaped bulge is located at the inner bottom of the valve sleeve, and the arc-shaped groove is attached to the arc-shaped bulge.
Preferably: the outer side of the valve core is uniformly provided with a sealing lubrication groove, and the sealing lubrication groove is annular.
Preferably: the outside and the tip of valve barrel all are provided with the sealing washer.
Preferably: the valve body is connected with the sealing cover through a bolt.
The beneficial effects of the utility model are that:
the utility model provides a hydraulic grouting pump is with switching-over letter valve of getting, the setting of the internal thread groove in the bottom of the sealing lid, use through the external screw thread pipe cooperation spacing dish of internal thread inslot internally mounted, when making the reset spring elasticity decline after the device uses for a long time, can control the external screw thread pipe to move down, improve the extrusion effect to reset spring, then ensure the normal use of device, the setting of valve body bottom mounting groove, through the jacking spring in the mounting groove, make the device when dismantling the change, can jack up valve barrel and case, conveniently change, the setting of case bottom arc wall, cooperate the bottom arc arch to use in the valve barrel, the area of contact between case and the valve barrel has been improved, and no matter whether the case is perpendicular to the bottom of valve barrel, the arc wall still can be closely laminated on the arc arch, ensure the sealed effect between the valve barrel inside and the case, the service life of the device is ensured.
Drawings
Fig. 1 is a front sectional view of the present invention;
fig. 2 is a structural diagram of a portion a in fig. 1 according to the present invention;
fig. 3 is a sectional view of the valve core of the present invention.
In the figure: 1. a valve body; 2. a first oil receiving port; 3. a reversing valve interface; 4. a valve housing; 5. a valve core; 6. a port; 7. a return spring; 8. a sealing cover; 9. a second oil receiving port; 10. an internal thread groove; 11. an externally threaded tube; 12. a limiting disc; 13. mounting grooves; 14. a jacking spring; 15. an arc-shaped slot; 16. an arc-shaped bulge; 17. and sealing the lubricating groove.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-3, the embodiment provides a reversing signal-taking valve for a hydraulic grouting pump, which includes a valve body 1, a first oil-receiving port 2 is formed at the bottom of the valve body 1, a reversing valve port 3 is formed at one side of the valve body 1, a valve sleeve 4 is arranged inside the valve body 1, a jacking mechanism is arranged at the inner bottom of the valve body 1, a valve core 5 is slidably arranged inside the valve sleeve 4, the first oil-receiving port 2 is communicated with the inner bottom of the valve sleeve 4, a sealing mechanism is arranged between the bottom end of the valve core 5 and the inner bottom of the valve sleeve 4, openings 6 are formed at both sides of the valve sleeve 4, a return spring 7 is arranged inside the valve core 5, a sealing cover 8 is mounted at the top of the valve body 1, a second oil-receiving port 9 is formed at the top of the sealing cover 8, an inner thread groove 10 is formed at the bottom of the sealing cover 8, an outer thread pipe 11 is mounted at the inner thread of the inner thread groove 10, a limiting disc 12 is mounted at the bottom of the outer thread pipe 11, the bottom of the limiting disc 12 is attached to the top end of the return spring 7.
In this embodiment, as shown in fig. 1, the jacking mechanism includes mounting groove 13 and jacking spring 14, and mounting groove 13 is seted up at the interior bottom of valve body 1, and the inside of mounting groove 13 is provided with jacking spring 14, and at the in-process of device installation, valve barrel 4 extrudees jacking spring 14 to the inside of mounting groove 13, and after opening sealed lid 8, jacking spring 14 resets, with valve barrel 4 jack-up, conveniently dismantle and change.
In this embodiment, as shown in fig. 1 and 3, the sealing mechanism includes an arc-shaped groove 15 and an arc-shaped protrusion 16, the arc-shaped groove 15 is formed in the bottom of the valve core 5, the arc-shaped protrusion 16 is located at the inner bottom of the valve sleeve 4, the arc-shaped groove 15 and the arc-shaped protrusion 16 are attached to each other, in the process of downward movement of the valve core 5, the valve core 5 vertically moves to attach the arc-shaped groove 15 to the arc-shaped protrusion 16, sealing is ensured, after the inner wall of the valve core 5 or the inner wall of the valve sleeve 4 is worn, deviation occurs in the sliding angle of the valve core 5, the arc-shaped groove 15 can still be attached to the arc-shaped protrusion 16, and the sealing performance is ensured by using the extrusion acting force of the return spring 7, so that the service life of the device is prolonged.
In the present embodiment, as shown in fig. 3, the outside of the valve element 5 is uniformly provided with the sealing lubrication grooves 17, and the sealing lubrication grooves 17 are annular, so that the sealing lubrication function of the valve element 5 is ensured.
In the present embodiment, as shown in fig. 1, the outer side and the end of the valve sleeve 4 are provided with sealing rings, so that the sealing effect between the valve sleeve 4 and the valve body 1 is ensured.
In the embodiment, as shown in fig. 1, the valve body 1 and the sealing cover 8 are connected through bolts, so that the installation and fixation of the device are facilitated.
As shown in fig. 1 to fig. 3, the working process of the reversing signal-taking valve for the hydraulic grouting pump is as follows:
step 1: when the valve is installed, the first oil receiving port 2 and the second oil receiving port 9 are respectively connected with an oil cylinder, then the reversing valve connector 3 is connected with a reversing valve, when the valve is used, hydraulic oil enters the valve sleeve 4 from the inside of the first oil receiving port 2 and jacks up the valve core 5, and the hydraulic oil enters the inside of the second oil receiving port 9 from the port 6 and transmits a hydraulic signal to the inside of the reversing valve;
and 2, step: after the device is used for a long time, when the elasticity of the return spring 7 is reduced, the sealing cover 8 is opened, then the external thread pipe 11 is rotated to extend the external thread pipe 11 outwards, and the extrusion acting force on the return spring 7 is enhanced;
and step 3: when the valve body 5 and the valve sleeve 4 are replaced, the seal cover 8 is opened, the lift spring 14 is sprung, and the valve sleeve 4 and the valve body 5 are lifted.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (6)
1. The utility model provides a signal valve is got with switching-over to hydraulic grouting pump which characterized in that: comprises a valve body (1), a first oil receiving port (2) is formed in the bottom of the valve body (1), a reversing valve interface (3) is formed in one side of the valve body (1), a valve sleeve (4) is arranged inside the valve body (1), a jacking mechanism is arranged at the inner bottom of the valve body (1), a valve core (5) is arranged inside the valve sleeve (4) in a sliding manner, the first oil receiving port (2) is communicated with the inner bottom of the valve sleeve (4), a sealing mechanism is arranged between the bottom end of the valve core (5) and the inner bottom of the valve sleeve (4), through holes (6) are formed in two sides of the valve sleeve (4), a reset spring (7) is arranged inside the valve core (5), a sealing cover (8) is installed at the top of the valve body (1), a second oil receiving port (9) is formed in the top of the sealing cover (8), an inner thread groove (10) is formed in the bottom of the sealing cover (8), the internal thread of interior thread groove (10) installs external screw tube (11), spacing dish (12) are installed to the bottom of external screw tube (11), the top laminating of the bottom and reset spring (7) of spacing dish (12).
2. The reversing letter-taking valve for the hydraulic grouting pump according to claim 1, characterized in that: the jacking mechanism comprises a mounting groove (13) and a jacking spring (14), the mounting groove (13) is formed in the inner bottom of the valve body (1), and the jacking spring (14) is arranged inside the mounting groove (13).
3. The reversing letter-taking valve for the hydraulic grouting pump according to claim 1, characterized in that: the sealing mechanism comprises an arc-shaped groove (15) and an arc-shaped bulge (16), the arc-shaped groove (15) is formed in the bottom of the valve core (5), the arc-shaped bulge (16) is located at the inner bottom of the valve sleeve (4), and the arc-shaped groove (15) and the arc-shaped bulge (16) are attached to each other.
4. The reversing letter-taking valve for the hydraulic grouting pump according to claim 1, characterized in that: the outer side of the valve core (5) is uniformly provided with a sealing and lubricating groove (17), and the sealing and lubricating groove (17) is annular.
5. The reversing letter-taking valve for the hydraulic grouting pump according to claim 1, characterized in that: and sealing rings are arranged on the outer side and the end part of the valve sleeve (4).
6. The reversing letter-taking valve for the hydraulic grouting pump according to claim 1, characterized in that: the valve body (1) is connected with the sealing cover (8) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123199242.2U CN216478114U (en) | 2021-12-17 | 2021-12-17 | Reversing letter-taking valve for hydraulic grouting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123199242.2U CN216478114U (en) | 2021-12-17 | 2021-12-17 | Reversing letter-taking valve for hydraulic grouting pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478114U true CN216478114U (en) | 2022-05-10 |
Family
ID=81425004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123199242.2U Active CN216478114U (en) | 2021-12-17 | 2021-12-17 | Reversing letter-taking valve for hydraulic grouting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478114U (en) |
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2021
- 2021-12-17 CN CN202123199242.2U patent/CN216478114U/en active Active
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