CN214036344U - Hydraulic oil cylinder with built-in hydraulic lock - Google Patents
Hydraulic oil cylinder with built-in hydraulic lock Download PDFInfo
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- CN214036344U CN214036344U CN202023134405.4U CN202023134405U CN214036344U CN 214036344 U CN214036344 U CN 214036344U CN 202023134405 U CN202023134405 U CN 202023134405U CN 214036344 U CN214036344 U CN 214036344U
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Abstract
The utility model discloses a built-in hydraulic lock hydraulic cylinder, comprising a cylinder body, swing joint has the piston rod in the left side of cylinder body runs through, the right side of piston rod extends to the right side of cylinder body inner chamber and the cover is equipped with the piston, the left side cover on piston rod surface is equipped with the uide bushing, the left side fixedly connected with pole head of piston rod, the left side intercommunication of cylinder body front side has oil pipe, the lid behind the right side fixedly connected with of cylinder body. The oil pipe, the rear cover, the plugging groove, the built-in hydraulic lock, the first oil delivery channel, the second oil delivery channel, the first through hole, the third through hole, the second through hole, the fourth through hole, the first connecting channel and the second connecting channel are matched for use, and the oil pipe plugging device has the advantages that the hydraulic lock is built in, foreign object collision is prevented, the mounting space is saved, the oil pipe is convenient to mount, and the overhauling or replacing efficiency is improved.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field specifically is a built-in hydraulic lock hydraulic cylinder.
Background
The hydraulic oil cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.
Hydraulic cylinder simple structure, reliable operation has obtained extensive application in transmission hydraulic system, and current hydraulic cylinder's hydraulic lock is external, can occupy installation space like this, receives the foreign object collision easily moreover, leads to damaging, and the security is relatively poor, and the inconvenient installation of oil pipe simultaneously is inconvenient overhauld or is changed like this.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a built-in hydraulic lock hydraulic cylinder possesses that the hydraulic lock is built-in, prevents that the foreign object from colliding, has practiced thrift installation space, is convenient for install oil pipe, has improved the advantage of overhauing or changing efficiency, and the hydraulic lock of having solved current hydraulic cylinder is external, occupies installation space, receives the foreign object collision easily, and the security is relatively poor, and the inconvenient installation of oil pipe simultaneously is inconvenient, inconvenient overhauls or the problem of changing.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic oil cylinder with a built-in hydraulic lock comprises a cylinder body, wherein a piston rod is movably connected to the left side of the cylinder body in a penetrating mode, the right side of the piston rod extends to the right side of an inner cavity of the cylinder body and is sleeved with a piston, a guide sleeve is sleeved on the left side of the surface of the piston rod, a rod head is fixedly connected to the left side of the piston rod, an oil pipe is communicated with the left side of the front side of the cylinder body, a rear cover is fixedly connected to the right side of the cylinder body, a blocking groove is formed in the left side of the top of the rear cover, the inner cavity of the blocking groove is movably connected with the built-in hydraulic lock, a first through hole, a second through hole and a third through hole are formed in the left side of the built-in hydraulic lock respectively, a fourth through hole is formed in the right side of the built-in hydraulic lock, a first connecting channel and a second connecting channel are formed in the left side of the blocking groove respectively, and are communicated with the cylinder body, the right side of the plugging groove is provided with a first oil delivery channel and a second oil delivery channel respectively, one side, far away from the plugging groove, of each of the first oil delivery channel and the second oil delivery channel penetrates through the bottom of the rear cover and is fixedly connected with the hole block, and one side, far away from the cylinder body, of each oil pipe penetrates through the inner cavity of the rear cover and is communicated with the plugging groove.
Preferably, the surface of the built-in hydraulic lock is in threaded connection with the joint of the rear cover, and the fourth through hole is communicated with the second oil delivery channel.
Preferably, two sides of the second through hole are respectively communicated with the second connecting channel and the first oil conveying channel, and the right side of the first connecting channel is communicated with the first through hole.
Preferably, the connection part of the inner cavity of the cylinder body and the piston is in sliding connection, and the surfaces of the left hole block and the right hole block are in threaded connection with the connection part of the first oil delivery channel and the second oil delivery channel.
Preferably, the joint of the surface of the piston rod and the guide sleeve is movably connected through a sealing ring, and the joint of the inner cavity of the cylinder body and the guide sleeve is fixedly connected.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up oil pipe, back lid, shutoff groove, built-in hydraulic pressure lock, first oil delivery passageway, second oil delivery passageway, first through hole, third through hole, second through hole, fourth through hole, first interface channel and second interface channel's cooperation and use, it is built-in to possess the hydraulic pressure lock, prevents that foreign object from colliding, has practiced thrift installation space, is convenient for install oil pipe, has improved the advantage of maintenance or change efficiency, is worth promoting.
2. The utility model can improve the sealing performance between the piston rod and the guide sleeve by arranging the sealing ring;
by arranging the hole block, hydraulic oil in the cylinder body can be conveniently discharged;
through setting up the pole head, can make things convenient for the piston rod to install.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front sectional view of the rear cover of the present invention;
FIG. 3 is a bottom sectional view of the partial structure of the present invention;
FIG. 4 is a left side view of the hydraulic lock of the present invention;
FIG. 5 is a right side view of the hydraulic lock of the present invention;
fig. 6 is a front view of the piston rod and the rod head of the present invention.
In the figure: the hydraulic oil pump comprises a cylinder body 1, a rod head 2, a piston rod 3, an oil pipe 4, a rear cover 5, a plugging groove 6, a built-in hydraulic lock 7, a first oil delivery channel 8, a hole stop 9, a second oil delivery channel 10, a guide sleeve 11, a piston 12, a first through hole 13, a third through hole 14, a second through hole 15, a fourth through hole 16, a first connecting channel 17 and a second connecting channel 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides an oil pipe 4, back lid 5, shutoff groove 6, built-in hydraulic pressure lock 7, first oil delivery passageway 8, second oil delivery passageway 10, first through hole 13, third through hole 14, second through hole 15, fourth through hole 16, parts such as first connecting channel 17 and second connecting channel 18 are general standard or the part that technical staff in the field knows, and its structure and principle all can learn through technical manual or learn through conventional experimental method for technical staff in the field.
Referring to fig. 1-6, a hydraulic cylinder with a built-in hydraulic lock comprises a cylinder body 1, a piston rod 3 is movably connected to the left side of the cylinder body 1 in a penetrating manner, the right side of the piston rod 3 extends to the right side of the inner cavity of the cylinder body 1 and is sleeved with a piston 12, a guide sleeve 11 is sleeved on the left side of the surface of the piston rod 3, a rod head 2 is fixedly connected to the left side of the piston rod 3, an oil pipe 4 is communicated with the left side of the front side of the cylinder body 1, a rear cover 5 is fixedly connected to the right side of the cylinder body 1, a plugging groove 6 is formed in the left side of the top of the rear cover 5, the inner cavity of the plugging groove 6 is movably connected with the built-in hydraulic lock 7, a first through hole 13, a second through hole 15 and a third through hole 14 are respectively formed in the left side of the built-in hydraulic lock 7, a fourth through hole 16 is formed in the right side of the built-in the plugging groove 6, a first connecting channel 17 and a second connecting channel 18 are respectively formed in the left side of the plugging groove, and are communicated with the cylinder body 1, a first oil delivery channel 8 and a second oil delivery channel 10 are respectively arranged on the right side of the blocking groove 6, one sides of the first oil delivery channel 8 and the second oil delivery channel 10, which are far away from the blocking groove 6, respectively penetrate through the bottom of the rear cover 5 and are fixedly connected with a hole stopper 9, and one side of the oil pipe 4, which is far away from the cylinder body 1, penetrates through the inner cavity of the rear cover 5 and is communicated with the blocking groove 6;
the surface of the built-in hydraulic lock 7 is in threaded connection with the joint of the rear cover 5, and the fourth through hole 16 is communicated with the second oil delivery channel 10;
two sides of the second through hole 15 are respectively communicated with the second connecting channel 18 and the first oil conveying channel 8, and the right side of the first connecting channel 17 is communicated with the first through hole 13;
the connecting part of the inner cavity of the cylinder body 1 and the piston 12 is in sliding connection, and the surfaces of the left hole block and the right hole block 9 are in threaded connection with the connecting part of the first oil delivery channel 8 and the second oil delivery channel 10;
the joint of the surface of the piston rod 3 and the guide sleeve 11 is movably connected through a seal ring, and the joint of the inner cavity of the cylinder body 1 and the guide sleeve 11 is fixedly connected;
by arranging the sealing ring, the sealing property between the piston rod 3 and the guide sleeve 11 can be improved;
by arranging the hole stopper 9, hydraulic oil in the cylinder body 1 can be conveniently discharged;
through setting up pole head 2, can make things convenient for piston rod 3 to install.
When the oil delivery channel needs to be closed, the plugging pin in the built-in hydraulic lock 7 is rotated clockwise, the plugging pin in the built-in hydraulic lock 7 plugs the first through hole 13, and at the moment, hydraulic oil is prevented from being conveyed into the first connecting channel 17, so that the oil cylinder is locked, the built-in installation is prevented from being damaged by collision of foreign objects, the installation space is saved, and the protection performance is improved.
In summary, the following steps: this built-in hydraulic lock hydraulic cylinder, through oil pipe 4, back lid 5, shutoff groove 6, built-in hydraulic lock 7, first oil delivery passageway 8, second oil delivery passageway 10, first through hole 13, third through hole 14, second through hole 15, fourth through hole 16, the cooperation of first connecting channel 17 and second connecting channel 18 is used, the hydraulic lock of having solved current hydraulic cylinder is external, occupy installation space, receive foreign object collision easily, the security is relatively poor, the inconvenient installation of oil pipe simultaneously, the inconvenient problem of overhauing or changing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a built-in hydraulic pressure lock hydraulic cylinder, includes cylinder body (1), its characterized in that: the left side of the cylinder body (1) is movably connected with a piston rod (3) in a penetrating mode, the right side of the piston rod (3) extends to the right side of an inner cavity of the cylinder body (1) and is sleeved with a piston (12), the left side of the surface of the piston rod (3) is sleeved with a guide sleeve (11), the left side of the piston rod (3) is fixedly connected with a rod head (2), the left side of the front side of the cylinder body (1) is communicated with an oil pipe (4), the right side of the cylinder body (1) is fixedly connected with a rear cover (5), the left side of the top of the rear cover (5) is provided with a plugging groove (6), the inner cavity of the plugging groove (6) is movably connected with a built-in hydraulic lock (7), the left side of the built-in hydraulic lock (7) is respectively provided with a first through hole (13), a second through hole (15) and a third through hole (14), the right side of the built-in hydraulic lock (7) is provided with a fourth through hole (16), first connecting channel (17) and second connecting channel (18) have been seted up respectively to the left side of shutoff groove (6), the left side of first connecting channel (17) and second connecting channel (18) all communicates with cylinder body (1), first oil delivery passageway (8) and second oil delivery passageway (10) have been seted up respectively to the right side of shutoff groove (6), one side that shutoff groove (6) were kept away from in first oil delivery passageway (8) and second oil delivery passageway (10) runs through respectively to the bottom of back lid (5) and fixedly connected with hole fender (9), one side that cylinder body (1) was kept away from in oil pipe (4) runs through to the inner chamber of back lid (5) and communicates with shutoff groove (6).
2. The hydraulic oil cylinder with the built-in hydraulic lock as claimed in claim 1, characterized in that: the surface of the built-in hydraulic lock (7) is in threaded connection with the connecting part of the rear cover (5), and the fourth through hole (16) is communicated with the second oil delivery channel (10).
3. The hydraulic oil cylinder with the built-in hydraulic lock as claimed in claim 1, characterized in that: two sides of the second through hole (15) are respectively communicated with a second connecting channel (18) and the first oil conveying channel (8), and the right side of the first connecting channel (17) is communicated with the first through hole (13).
4. The hydraulic oil cylinder with the built-in hydraulic lock as claimed in claim 1, characterized in that: the connecting part of the inner cavity of the cylinder body (1) and the piston (12) is in sliding connection, and the surfaces of the left hole block and the right hole block (9) are in threaded connection with the connecting part of the first oil delivery channel (8) and the second oil delivery channel (10).
5. The hydraulic oil cylinder with the built-in hydraulic lock as claimed in claim 1, characterized in that: the surface of the piston rod (3) is movably connected with the joint of the guide sleeve (11) through a sealing ring, and the inner cavity of the cylinder body (1) is fixedly connected with the joint of the guide sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023134405.4U CN214036344U (en) | 2020-12-23 | 2020-12-23 | Hydraulic oil cylinder with built-in hydraulic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023134405.4U CN214036344U (en) | 2020-12-23 | 2020-12-23 | Hydraulic oil cylinder with built-in hydraulic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036344U true CN214036344U (en) | 2021-08-24 |
Family
ID=77341503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023134405.4U Active CN214036344U (en) | 2020-12-23 | 2020-12-23 | Hydraulic oil cylinder with built-in hydraulic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036344U (en) |
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2020
- 2020-12-23 CN CN202023134405.4U patent/CN214036344U/en active Active
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