CN211259199U - Front-mounted hydraulic cylinder with novel structure - Google Patents

Abstract

The utility model discloses a novel forward type pneumatic cylinder of structure, including bearing round pin head, cylinder and guide bar, the piston rod that the inside of cylinder extends through uide bushing movable mounting, there is the guide bar inside of piston rod through slider movable mounting, bearing round pin head and ears round pin head can be installed respectively through the threaded rod in the top of piston rod, the bottom welding of cylinder has the pedestal, one side welding of cylinder has two sets of water joint, water joint's one end welding has waterproof circle, the outside cover of waterproof circle has the screw member. The utility model discloses an install the threaded rod at the top of piston rod, can be convenient for through the threaded rod and install bearing round pin head and ears round pin head, make its device can make bearing round pin head and ears round pin head adjust the installation according to mounted position's demand, increased device controllability and flexibility, enlarged the application scope of device, improved the practicality of device.

Description

Front-mounted hydraulic cylinder with novel structure

Technical Field

The utility model relates to a pneumatic cylinder technical field specifically is a forward type pneumatic cylinder of novel structure.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, and is widely applied to hydraulic systems of various machines.

The existing preposed hydraulic cylinder has the defects that: 1. the connecting end of the existing preposed hydraulic cylinder is mostly of a fixed structure and cannot be adjusted according to the requirement of the installation position, so that the device has certain limitation during installation, the application range of the device is reduced, and the practicability of the device is reduced; the front-mounted hydraulic cylinder can lead the device to rock when stressed, generates abrasion and abnormal sound, influences the running stability of the device, shortens the service life of the device, and solves the existing problems by providing the front-mounted hydraulic cylinder with a novel structure.

Disclosure of Invention

An object of the utility model is to provide a forward type pneumatic cylinder of novel structure 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: the utility model provides a front-mounted pneumatic cylinder of novel structure, includes bearing round pin head, cylinder and guide bar, the piston rod that the inside of cylinder extends through uide bushing movable mounting, there is the guide bar inside of piston rod through slider movable mounting, the top of piston rod can install bearing round pin head and ears round pin head respectively through the threaded rod, the bottom welding of cylinder has the pedestal, the welding of one side of cylinder has two sets of water joint, water joint's one end welding has waterproof circle, the outside cover of waterproof circle has the screw thread spare.

Preferably, a hydraulic piston is movably mounted on the outer side of the guide rod, a buffer ring is movably mounted below the hydraulic piston, and a buffer plunger is fixedly mounted at the bottom of the guide rod.

Preferably, the cylinder cover is installed through helicitic texture at the top of cylinder, and the inside of cylinder cover is equipped with the dust ring, and the inside top of cylinder is equipped with the sealing washer.

Preferably, the inside of bearing pin head is equipped with the pinhole, and the bottom welding of bearing pin head has the thread bush.

Preferably, an inner shaft is fixedly installed inside the shaft bracket, and a shaft hole is formed inside the inner shaft.

Preferably, through holes are formed in the two sides of the double-lug pin head, and mounting holes are formed in the bottom of the double-lug pin head.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install the threaded rod at the top of piston rod, can be convenient for through the threaded rod and install bearing round pin head and ears round pin head, make its device can make bearing round pin head and ears round pin head adjust the installation according to mounted position's demand, increased device controllability and flexibility, enlarged the application scope of device, improved the practicality of device.

2. The utility model discloses an install the uide bushing in the outside of piston rod, through the stable structure that the multiplicable piston rod of uide bushing removed, improved piston rod mobility stability, the preventing device produces when the atress moves and rocks, has guaranteed the stationarity of piston rod operation.

3. The utility model discloses an internally mounted at the piston rod has the guide bar, can inject the moving direction of piston rod through the guide bar, takes place the skew when preventing that the piston rod from removing, leads to the piston rod to cause wearing and tearing and produce the abnormal sound, has guaranteed the stationarity that the piston rod removed, has prolonged the life of device.

4. The utility model discloses an install water joint in one side of cylinder, through the waterproof performance that water joint multiplicable device is connected, avoid the device link to receive the destruction of rainwater and dust, guaranteed the security of link, extension fixture's life.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is the local structure schematic diagram of the double-lug pin head of the present invention.

In the figure: 1. a bearing pin head; 101. a pin hole; 102. a threaded sleeve; 2. a piston rod; 201. a threaded rod; 3. a guide sleeve; 4. a cylinder barrel; 401. a cylinder cover; 402. a dust ring; 403. a seal ring; 5. a guide bar; 501. a hydraulic piston; 502. a buffer ring; 503. a buffer plunger; 6. a pedestal; 601. an inner shaft; 602. a shaft hole; 7. a waterproof joint; 701. a waterproof ring; 702. a threaded member; 8. a double-lug pin head; 801. a through hole; 802. and (7) installing holes.

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 which the reference is made 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Referring to fig. 1-3, the present invention provides an embodiment: a front hydraulic cylinder with a novel structure comprises a bearing pin head 1, a cylinder barrel 4 and a guide rod 5, wherein the interior of the cylinder barrel 4 is movably provided with a piston rod 2 extending through a guide sleeve 3, the front surface of the cylinder barrel 4 is provided with a nameplate through a bolt, so that a worker can clearly know basic information and cautions of the device, the guide sleeve 3 can be used for increasing a stable structure of the movement of the piston rod 2, the movement stability of the piston rod 2 is improved, the device is prevented from shaking during stressed operation, the operation stability of the piston rod 2 is ensured, the overall length of the device can be increased through the extension and contraction of the piston rod 2, so that the supporting effect is realized, the guide rod 5 is movably arranged in the interior of the piston rod 2 through a sliding block, the movement direction of the piston rod 2 can be limited through the guide rod 5, the piston rod 2 is prevented from shifting during, the moving stability of the piston rod 2 is ensured, the service life of the device is prolonged, the top of the piston rod 2 can be respectively provided with the bearing pin head 1 and the double-lug pin head 8 through the threaded rod 201, the bearing pin head 1 and the double-lug pin head 8 can be conveniently arranged through the threaded rod 201, the device can adjust and arrange the bearing pin head 1 and the double-lug pin head 8 according to the requirement of the installation position, the adjustability and the flexibility of the device are increased, the application range of the device is enlarged, the practicability of the device is improved, the installation mode of the device can be increased through the bearing pin head 1 and the double-lug pin head 8, the device is convenient to install, the application range of the device is increased, the bottom of the cylinder 4 is welded with the shaft bracket 6, the shaft bracket 6 can be conveniently movably arranged, the installation efficiency of the device is improved, one side of the cylinder 4 is welded with two groups of waterproof joints 7, the, avoid the device link to receive the destruction of rainwater and dust, guaranteed the security of link, extension fixture's life, waterproof ring 701 is welded in the one end of water joint 7, and the leakproofness of waterproof ring 701 multiplicable connection has improved the waterproof performance of device, and the outside cover of waterproof ring 701 has screw member 702, has multiplicable the leakproofness of device connection through screw member 702, has improved the fastness of device connection.

Further, the outside movable mounting of guide bar 5 has hydraulic piston 501, hydraulic piston 501 can promote hydraulic piston 501 through hydraulic pressure and be sharp reciprocating motion, can promote 2 sharp reciprocating motion of piston rod through hydraulic piston 501, hydraulic piston 501's below movable mounting has buffering circle 502, the downward impact force of hydraulic piston 501 can be subdued to buffering circle 502, hydraulic piston 501's security has been guaranteed, the life of extension fixture, and the bottom fixed mounting of guide bar 5 has buffering plunger 503, buffering plunger 503 can increase the buffer structure of device, it can reduce the downward impact force of hydraulic piston 501 to alleviate buffering plunger 503, hydraulic piston 501's safety has been guaranteed.

Cylinder cap 401 is installed through helicitic texture at the top of cylinder 4, the seal structure of the multiplicable device of cylinder cap 401, the leakproofness of device has been improved, the device of also being convenient for overhaul simultaneously, the device maintenance effect has been improved, the inside of cylinder cap 401 is equipped with dust ring 402, the seal structure of the multiplicable device of dust ring 402, the leakproofness of device has been improved, can effectively prevent inside dust and the rainwater entering device, the security of device has been guaranteed, and the inside top of cylinder 4 is equipped with sealing washer 403, the leakproofness of the multiplicable device of sealing washer 403.

The pin hole 101 is formed in the bearing pin head 1, the pin hole 101 can be conveniently matched with a positioning pin to install the device, the installation efficiency of the device is improved, the threaded sleeve 102 is welded at the bottom of the bearing pin head 1, the threaded sleeve 102 can be matched with the threaded rod 201 to facilitate installation of the bearing pin head 1, and the installation firmness and the installation efficiency of the device are improved.

An inner shaft 601 is fixedly arranged inside the shaft bracket 6, the device can be conveniently and movably mounted through the inner shaft 601, a shaft hole 602 is formed in the inner shaft 601, the shaft hole 602 can provide a mounting position for a shaft bolt, the device can be conveniently and movably mounted, and the mounting efficiency of the device is improved.

The inside through-hole 801 that is equipped with in both sides of ears round pin head 8, through-hole 801 can be convenient for the device installation, has improved the mounted position of device, and ears round pin head 8's bottom is equipped with mounting hole 802, can provide the mounted position for threaded rod 201 through mounting hole 802, and can be convenient for fixed mounting ears round pin head 8 through threaded rod 201 and bolt cooperation, has increased the installation effectiveness of device.

Before using this device, the user detects the device earlier, confirm not having the problem after use, can be convenient for through threaded rod 201 bearing round pin head 1 and ears round pin head 8 install, make its device can make bearing round pin head 1 and ears round pin head 8 adjust the installation according to the demand of mounted position, device adjustability and flexibility have been increased, the application scope of device has been enlarged, the practicality of device has been improved, can inject the moving direction of piston rod 2 through guide bar 5, take place the skew when preventing that piston rod 2 from removing, lead to piston rod 2 to cause wearing and tearing and the phenomenon of production abnormal sound, the stationarity that has guaranteed piston rod 2 to remove, the life of device has been prolonged.

The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.

Claims (6)

1. The utility model provides a forward formula pneumatic cylinder of novel structure, includes bearing pin head (1), cylinder (4) and guide bar (5), its characterized in that: piston rod (2) that the inside of cylinder (4) extends through uide bushing (3) movable mounting, there are guide bar (5) inside of piston rod (2) through slider movable mounting, bearing round pin head (1) and ears round pin head (8) can be installed respectively through threaded rod (201) in the top of piston rod (2), the bottom welding of cylinder (4) has pedestal (6), the welding of one side of cylinder (4) has two sets of water joint (7), the welding of the one end of water joint (7) has waterproof circle (701), the outside cover of waterproof circle (701) has screw (702).

2. The prepositioned hydraulic cylinder of a novel structure as claimed in claim 1, wherein: the outer side of the guide rod (5) is movably provided with a hydraulic piston (501), a buffer ring (502) is movably arranged below the hydraulic piston (501), and the bottom of the guide rod (5) is fixedly provided with a buffer plunger (503).

3. The front-mounted hydraulic cylinder with a novel structure as claimed in claim 2, characterized in that: the top of cylinder (4) is passed through helicitic texture and is installed cylinder cap (401), and the inside of cylinder cap (401) is equipped with dust ring (402), and the inside top of cylinder (4) is equipped with sealing washer (403).

4. The front-mounted hydraulic cylinder with a novel structure as claimed in claim 2, characterized in that: the bearing pin head is characterized in that a pin hole (101) is formed in the bearing pin head (1), and a threaded sleeve (102) is welded at the bottom of the bearing pin head (1).

5. The prepositioned hydraulic cylinder of a novel structure as claimed in claim 1, wherein: an inner shaft (601) is fixedly arranged inside the shaft bracket (6), and a shaft hole (602) is formed inside the inner shaft (601).

6. The prepositioned hydraulic cylinder of a novel structure as claimed in claim 1, wherein: through holes (801) are formed in the two sides of the double-lug pin head (8), and mounting holes (802) are formed in the bottom of the double-lug pin head (8).

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