CN219954426U - Two-way foot valve - Google Patents
Two-way foot valve Download PDFInfo
- Publication number
- CN219954426U CN219954426U CN202321667241.2U CN202321667241U CN219954426U CN 219954426 U CN219954426 U CN 219954426U CN 202321667241 U CN202321667241 U CN 202321667241U CN 219954426 U CN219954426 U CN 219954426U
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- China
- Prior art keywords
- sleeve
- valve body
- piston rod
- guide sleeve
- pedal
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Links
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a two-way foot valve, which comprises a foot pedal, a valve body and two groups of piston rod assemblies; the pedal is connected to the top of the valve body; vertical guide grooves are symmetrically arranged in the valve body; a piston rod assembly is arranged in the vertical guide groove; one end of the piston rod assembly is positioned in the vertical guide groove, the other end of the piston rod assembly is contacted with the pedal, a guide sleeve and a shaft sleeve are arranged outside the piston rod assembly, and the piston rod assembly slides up and down along the guide sleeve; the guide sleeve is arranged on the outer side of the top of the vertical guide groove and is arranged on the valve body; the axle sleeve is located vertical guide way, and the top and the uide bushing contact of axle sleeve, and the bottom is connected with the valve body. The guide sleeve is additionally arranged outside the piston rod assembly, so that the push rod drives the plunger to move into a vertical pressing mode; the guide sleeve is the same as the inner diameter of the shaft sleeve, the shaft center is positioned on the same central line, the abrasion to the copper shaft sleeve when the plunger is pressed down by the push rod is reduced, the phenomenon of valve blocking caused by the pressing down and tilting is avoided, and the service life of the copper shaft sleeve is prolonged.
Description
Technical Field
The utility model relates to the field of two-way foot valves, and belongs to the technical field of excavator accessories.
Background
At present, when all breaking hammer liquid empty foot valves in the market work, the contact mode of the pressing plate and the plunger is inclined downward pressing, the service life of the copper shaft sleeve can be greatly reduced due to inclined downward pressing, oil leakage of the copper shaft sleeve and valve clamping are often caused, the plunger cannot rebound, the foot valve fails, inconvenience is brought to operators, and normal operation is affected.
Disclosure of Invention
In view of the above, the present utility model provides a foot valve to solve the above-mentioned problems. The specific scheme is as follows:
a bi-directional foot valve comprising: a foot pedal, a valve body and two sets of piston rod assemblies;
the pedal is connected to the top of the valve body and rotates along the connection part;
vertical guide grooves are symmetrically formed in the valve body along the central line;
the piston rod assemblies are respectively arranged in the vertical guide grooves;
one end of the piston rod assembly is positioned in the vertical guide groove, the other end of the piston rod assembly is in contact with the pedal, a guide sleeve and a shaft sleeve are respectively arranged outside the piston rod assembly along the axial direction, and the piston rod assembly slides up and down along the guide sleeve and the shaft sleeve;
the guide sleeve is positioned above the shaft sleeve, the guide sleeve is positioned at the outer side of the top of the vertical guide groove, and the guide sleeve is arranged on the valve body;
the shaft sleeve is positioned in the vertical guide groove, the top end of the shaft sleeve is in contact with the guide sleeve, and the bottom end of the shaft sleeve is connected with the valve body.
Preferably, the piston rod assembly comprises a push rod and a plunger;
one end of the push rod is contacted with the pedal, and the other end of the push rod is inserted into the guide sleeve;
one end of the plunger is inserted into the guide sleeve and connected with the push rod, and the other end of the plunger is inserted into the valve body and movably connected with the valve body.
Preferably, the axes of the guide sleeve, the shaft sleeve, the push rod, the plunger and the vertical guide groove are all positioned on the same straight line and are all perpendicular to the valve body.
Preferably, the shaft sleeve is a copper guide sleeve.
Preferably, the bottom of the pedal plate is provided with a pressing plate;
the bottom of the pressing plate is provided with a connecting part and two pressing parts;
the two pressing parts are correspondingly arranged on two opposite sides of the connecting part, the pressing parts correspond to the push rod in position, and when the pedal rotates, the pressing parts can press the top of the push rod;
the connecting part is positioned at the center of the pressing plate and is hinged with the middle of the top of the valve body.
Preferably, the whole shaft sleeve is of a T-shaped structure;
a placing groove is formed in the top of the vertical guide groove;
the horizontal end of the shaft sleeve is positioned in the placing groove, and the vertical end of the T-shaped structure is inserted into the vertical guide groove.
Preferably, a connecting plate is arranged at one end of the guide sleeve, which is close to the shaft sleeve;
the connecting plate is sleeved outside the guide sleeve and connected with the guide sleeve, the connecting plate is positioned at the top of the placing groove, and the connecting plate is detachably connected to the top of the valve body.
Preferably, the guide sleeve and the connecting plate are integrally cast.
Preferably, a dust cover is arranged between the foot pedal and the valve body;
the dustproof cover wraps all the piston rod assemblies, and two ends of the dustproof cover are detachably connected to the bottom of the pedal and the top of the valve body respectively.
Preferably, the dust cover is an elastic dust cover.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The guide sleeve is additionally arranged outside the piston rod assembly, and the push rod and the plunger move along the axial direction of the guide sleeve during pressing, so that the push rod drives the plunger to move into a guide type pressing mode, namely a vertical pressing mode is formed;
(2) The connecting plate is sleeved at one end of the guide sleeve, which is close to the valve body, and the inner diameter sizes of the shaft sleeve and the guide sleeve are the same and are correspondingly arranged, so that abrasion of the push rod to the shaft sleeve due to inclination during pressing is reduced;
(3) Through with uide bushing and the integrative setting of connecting plate, cast integrated into one piece promptly, not only can change the mode of pushing down, can also effectually play dustproof crashproof effect, avoided droing in the use, fracture and hard thing damage scheduling shortcoming has still further promoted the life of foot valve.
Drawings
FIG. 1 is a schematic diagram of a foot valve according to an embodiment of the present utility model
FIG. 2 is a schematic illustration in semi-section of one embodiment of a foot valve according to the present utility model;
FIG. 3 is a greatly enlarged view of FIG. 2 at A;
figure 4 is a left side view of one embodiment of a foot valve of the present utility model,
wherein:
the device comprises a pedal, a 2-push rod, a 3-plunger, a 4-valve body, a 5-dustproof sleeve, a 6-guide sleeve, a 7-connecting plate, an 8-shaft sleeve, a 9-pressing part, a 10-connecting part and an 11-piston rod assembly.
Detailed Description
The present utility model is described in detail below with reference to examples, but the present utility model is not limited to these examples.
A two-way foot valve according to the accompanying figures 1-4, comprising: a foot pedal 1, a valve body 4 and two sets of piston rod assemblies 11;
the foot pedal 1 is connected to the top of the valve body 4 and rotates along the connection part;
vertical guide grooves are symmetrically formed in the valve body 4 along the central line;
the piston rod assemblies 11 are respectively arranged in the vertical guide grooves;
one end of the piston rod assembly 11 is positioned in the vertical guide groove, the other end of the piston rod assembly 11 is in contact with the foot pedal 1, a guide sleeve 6 and a shaft sleeve 8 are respectively arranged outside the piston rod assembly 11 along the axial direction, and the piston rod assembly 11 slides up and down along the guide sleeve 6 and the shaft sleeve 8;
the guide sleeve 6 is positioned above the shaft sleeve 8, the guide sleeve 6 is positioned at the outer side of the top of the vertical guide groove, and the guide sleeve 6 is arranged on the valve body 4;
the shaft sleeve 8 is located in the vertical guide groove, the top end of the shaft sleeve 8 is in contact with the guide sleeve 6, and the bottom end of the shaft sleeve 8 is connected with the valve body 4.
Further, the piston rod assembly 11 comprises a push rod 2 and a plunger 3;
one end of the push rod 2 is in contact with the pedal plate 1, and the other end of the push rod 2 is inserted into the guide sleeve 6;
one end of the plunger 3 is inserted into the guide sleeve 6 and connected with the push rod 2, and the other end of the plunger 3 is inserted into the valve body 4 and movably connected with the valve body 4.
Further, the axes of the guide sleeve 6, the shaft sleeve 8, the push rod 2, the plunger 3 and the vertical guide groove are all positioned on the same straight line and are all perpendicular to the valve body 4.
Further, the shaft sleeve 8 is a copper guide sleeve.
Further, the bottom of the foot pedal 1 is provided with a pressing plate,
the bottom of the pressing plate is provided with a connecting part 10 and two pressing parts 9;
the two pressing parts 9 are correspondingly arranged on two opposite sides of the connecting part 10, the pressing parts 9 correspond to the positions of the push rods, and when the foot pedal 1 rotates, the pressing parts 9 can press the tops of the push rods 2;
the connecting part 10 is positioned at the center of the pressing plate, and the connecting part 10 is hinged with the middle of the top of the valve body 4
Further, the whole shaft sleeve 8 is of a T-shaped structure;
a placing groove is formed in the top of the vertical guide groove;
the horizontal end of the shaft sleeve 8 is positioned in the placing groove, and the vertical end of the T-shaped structure is inserted into the vertical guide groove.
Further, a connecting plate 7 is arranged at one end of the guide sleeve 6 close to the shaft sleeve 8;
the connecting plate 7 is sleeved outside the guide sleeve 6 and is connected with the guide sleeve 6, the connecting plate 7 is positioned at the top of the placing groove, and the connecting plate 7 is detachably connected to the top of the valve body 4.
Further, the guide sleeve 6 and the connecting plate 7 are integrally cast.
Furthermore, a dust cover 5 is arranged between the foot pedal 1 and the valve body 4;
the dustproof cover 5 wraps all the piston rod assemblies 11, and two ends of the dustproof cover 5 are detachably connected to the bottom of the pedal plate 1 and the top of the valve body 4 respectively.
Further, the dust-proof cover 5 is an elastic dust-proof cover.
It should be noted that:
the two-way pedal valve is a hydraulic double-control pedal valve of an accessory of an excavator, a valve body 4 is a hydraulic valve, the valve body 4 is hinged with a pedal plate 1, two groups of piston rod assemblies 11 are arranged between the valve body 4 and the pedal plate 1, and the two groups of piston rod assemblies 11 are symmetrically arranged by taking a vertical central line of the valve body 4 as a reference;
one ends of the two groups of piston rod assemblies 11 are movably connected in the valve body 4, the other ends of the two groups of piston rods are respectively directed to the pedal plate 1, a pressing plate is arranged at the bottom of the pedal plate 1, the pressing plate is fixedly connected to the bottom of the pedal plate 1, a connecting part 10 is arranged in the center of the outer side of the top of the valve body 4, a connecting lug is arranged in the center of the connecting part 10 and is rotationally connected with the connecting lug through a rotating shaft, pressing parts 9 are respectively and correspondingly arranged on two sides of the connecting part 10 by taking the connecting part 10 as the center, the pressing parts 9 respectively correspond to the positions of the piston rod assemblies 11 directed to one end of the pedal plate 1, namely, when one side of the pedal plate 1 is stepped on, the pedal plate 1 rotates around the rotating shaft and can be pressed downwards in the stepping direction, one pressing part 9 with lower height just corresponds to the top of the piston rod assembly 11 positioned on the same side and is contacted with the top of the push rod 2, and at the moment, the pedal plate 1 is continuously stepped on, and the pressing parts 9 pressed on the top of the push rod 2 continuously; conversely, when the foot pedal is stepped on to the other side, the push rod 2 on the other side is depressed by the pressing portion 9 on the other side, thereby realizing the two-way control of the foot pedal valve.
In the utility model, the guide sleeve 6 and the connecting plate 7 are integrally cast and formed, the connecting plate 7 and the shaft sleeve 8 are respectively connected with the valve body 4, and the push rod 2 and the plunger 3 are detachably connected through bolts/screws; wherein the shaft sleeve 8 is arranged at one end of the plunger 3 far away from the push rod 2, the shaft sleeve 8 is inserted into the vertical guide groove, the bottom end of the connecting plate 7 is contacted with the top end of the shaft sleeve 8,
in one embodiment of the utility model, the connection 10 is a circular plate with a through hole;
in one embodiment of the present utility model, the pressing portion 9 is a bolt assembly detachably attached to the pressing plate;
in one embodiment of the present utility model, the inner diameter of the sleeve 8 is the same as the inner diameter of the first guide 6, and the axis of the sleeve 8 and the axis of the guide 6 are on the same line.
In the present utility model, the dust cover 5 may be other elastic dust covers, the dust cover 5 in the present utility model is a rubber cover,
the pedal plate 1 and the valve body 4 are all conventional parts in the industry, and meanwhile, the plunger 3 is also provided with a sealing ring commonly used in the industry, and the push rod 2 moves up and down to drive the plunger 3 to reciprocate up and down in the valve body 4 so as to finish the opening and closing functions of the valve.
Claims (10)
1. A bi-directional foot valve, comprising: a foot pedal (1), a valve body (4) and two groups of piston rod assemblies (11);
the foot pedal (1) is connected to the top of the valve body (4) and rotates along the connection part;
vertical guide grooves are symmetrically formed in the valve body (4) along the central line;
the piston rod assemblies (11) are respectively arranged in the vertical guide grooves;
one end of the piston rod assembly (11) is positioned in the vertical guide groove, the other end of the piston rod assembly (11) is in contact with the pedal plate (1), a guide sleeve (6) and a shaft sleeve (8) are respectively arranged outside the piston rod assembly (11) along the axial direction, and the piston rod assembly (11) slides up and down along the guide sleeve (6) and the shaft sleeve (8);
the guide sleeve (6) is positioned above the shaft sleeve (8), the guide sleeve (6) is positioned at the outer side of the top of the vertical guide groove, and the guide sleeve (6) is arranged on the valve body (4);
the shaft sleeve (8) is positioned in the vertical guide groove, the top end of the shaft sleeve (8) is in contact with the guide sleeve (6), and the bottom end of the shaft sleeve (8) is connected with the valve body (4).
2. A two-way foot valve according to claim 1, wherein the piston rod assembly (11) comprises a push rod (2) and a plunger (3);
one end of the push rod (2) is in contact with the pedal plate (1), and the other end of the push rod (2) is inserted into the guide sleeve (6);
one end of the plunger (3) is inserted into the guide sleeve (6) and is connected with the push rod (2), and the other end of the plunger (3) is inserted into the valve body (4) and is movably connected with the valve body (4).
3. A two-way foot valve according to claim 2, characterized in that the axes of the guide sleeve (6), the sleeve (8), the push rod (2), the plunger (3) and the vertical guide groove are all on the same straight line and are all perpendicular to the valve body (4).
4. A two-way foot valve according to claim 2, characterized in that the sleeve (8) is a copper guide sleeve.
5. A two-way foot valve according to claim 2, characterized in that the bottom of the foot pedal (1) is provided with a pressure plate;
the bottom of the pressing plate is provided with a connecting part (10) and two pressing parts (9);
the two pressing parts (9) are correspondingly arranged on two opposite sides of the connecting part (10), the pressing parts (9) correspond to the positions of the push rods, and when the foot pedal (1) rotates, the pressing parts (9) can press the tops of the push rods (2);
the connecting part (10) is positioned in the center of the pressing plate, and the connecting part (10) is hinged with the middle of the top of the valve body (4).
6. A two-way foot valve according to claim 2, characterized in that the entirety of the sleeve (8) is of T-shaped construction;
a placing groove is formed in the top of the vertical guide groove;
the horizontal end of the shaft sleeve (8) is positioned in the placing groove, and the vertical end of the T-shaped structure is inserted into the vertical guide groove.
7. The two-way foot valve according to claim 6, wherein a connecting plate (7) is arranged at one end of the guide sleeve (6) close to the shaft sleeve (8);
the connecting plate (7) is sleeved outside the guide sleeve (6) and is connected with the guide sleeve (6), the connecting plate (7) is positioned at the top of the placing groove, and the connecting plate (7) is detachably connected at the top of the valve body (4).
8. A two-way foot valve according to claim 7, characterized in that the guide sleeve (6) is cast integrally with the connecting plate (7).
9. The two-way foot valve according to claim 1, wherein a dust cover (5) is further arranged between the foot pedal (1) and the valve body (4);
the dustproof cover (5) wraps all the piston rod assemblies (11), and two ends of the dustproof cover (5) are detachably connected to the bottom of the pedal plate (1) and the top of the valve body (4) respectively.
10. A two-way foot valve according to claim 9, characterized in that the dust boot (5) is an elastic dust boot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321667241.2U CN219954426U (en) | 2023-06-28 | 2023-06-28 | Two-way foot valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321667241.2U CN219954426U (en) | 2023-06-28 | 2023-06-28 | Two-way foot valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954426U true CN219954426U (en) | 2023-11-03 |
Family
ID=88550489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321667241.2U Active CN219954426U (en) | 2023-06-28 | 2023-06-28 | Two-way foot valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954426U (en) |
-
2023
- 2023-06-28 CN CN202321667241.2U patent/CN219954426U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |