CN211226205U - Forklift steering oil cylinder with piston rod protection device - Google Patents
Forklift steering oil cylinder with piston rod protection device Download PDFInfo
- Publication number
- CN211226205U CN211226205U CN201921423333.XU CN201921423333U CN211226205U CN 211226205 U CN211226205 U CN 211226205U CN 201921423333 U CN201921423333 U CN 201921423333U CN 211226205 U CN211226205 U CN 211226205U
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- piston rod
- cylinder
- protection device
- connecting plate
- rod protection
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Abstract
The utility model belongs to the technical field of fork truck steering cylinder, concretely relates to fork truck steering cylinder with piston rod protection device. Including a pair of cylinder cap, cylinder, piston rod and piston rod protection device, a pair of cylinder cap is located the both ends of cylinder respectively, and with cylinder fixed connection, piston rod protection device includes piston rod lag and connecting plate 2. The fixed cover of one end of piston rod lag is established on the annular boss of connecting plate, through staple bolt and annular groove cooperation locking, with piston rod lag and connecting plate fixed connection, accomplishes piston rod protection device's installation promptly. And sleeving the piston rod protection device outside the piston rod, enabling the fixing holes on the fixing claws to respectively correspond to the connecting flange holes on the cylinder cover, and fixedly installing the connecting plate on the cylinder cover through bolts to finish the installation of the piston rod protection device and the steering cylinder. When the steering oil cylinder works, the piston rod is protected by the piston rod protection sleeve in real time.
Description
Technical Field
The utility model belongs to the technical field of fork truck steering cylinder, concretely relates to fork truck steering cylinder with piston rod protection device.
Background
The forklift steering oil cylinder is mainly used in a steering system of a forklift, and a piston rod is in motion for a long time, so that the piston rod is inevitably collided to cause damage, and the steering oil cylinder leaks oil. Therefore, a protective sleeve is sleeved outside the piston rod to avoid the defect of the piston rod of the steering oil cylinder caused by collision of stones and the like, but the protective sleeve does not have a good installation position due to the structural limitation of the steering oil cylinder. There is a need to design a piston rod protection device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the installation problem of piston rod lag, the utility model provides a fork truck steering cylinder with piston rod protection device, the piston rod protective sheath can be fixed on steering cylinder through this mounting panel, plays the effect of protection piston rod, and specific technical scheme is:
a steering oil cylinder with a piston rod protection device comprises a pair of cylinder covers 1, a cylinder barrel 11 and a pair of piston rods 12, wherein the pair of cylinder covers 1 are respectively positioned at two ends of the cylinder barrel 11 and fixedly connected with the cylinder barrel 11,
the piston rod protection device comprises a piston rod protection sleeve 3 and a connecting plate 2;
the piston rod protecting sleeve 3 is sleeved outside the piston rod 12, one end of the piston rod protecting sleeve is fixedly connected with the cylinder cover 1 through the connecting plate 2, and the connecting plate 2 is fixedly connected with the cylinder cover 1 through bolts.
Further, the connecting plate 2 is circular plate-shaped, a circular mounting hole 20 is formed in the middle of the connecting plate, an annular boss 23 is arranged at an orifice of the mounting hole 20, and the piston rod protecting sleeve 3 is fixedly sleeved on the annular boss 23.
Further, an annular groove 25 is formed in the outer circumferential surface of the annular boss 23, and the piston rod protecting sleeve 3 is sleeved on the annular groove 25 and is locked in a matched mode through a hoop.
Further, the upper end surface of the annular boss 23 is a chamfer annular surface.
Further, the radial two sides of the connecting plate 2 are provided with fixing claws 22, and each fixing claw 22 is provided with a fixing hole 21.
The utility model has the advantages of:
the utility model discloses a fork truck steering cylinder with piston rod protection device, realize the piston rod lag cover is established outside the piston rod, play the guard action to the piston rod;
meanwhile, one end of the piston rod protecting sleeve is sleeved on the connecting plate and is fastened through the hoop; be equipped with the stationary dog on the connecting plate, the fixed orifices on the stationary dog pass through with the flange hole cooperation on the cylinder cap, with connecting plate bolt-up install on the cylinder cap, realize piston rod protection device and steering cylinder's connection, conveniently change the piston rod lag simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the connection plate of the present invention.
Fig. 3 is a front view of the connection plate of the present invention.
Wherein: 1-a cylinder cover; 11-a cylinder barrel; 12-a piston rod; 3-a piston rod protecting sleeve; 2-connecting plates; 20-mounting holes; 21-a fixation hole; 22-fixed jaw; 23-an annular boss; 25-annular groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
The utility model provides a steering cylinder with piston rod protection device, includes a pair of cylinder cap 1, cylinder 11, a pair of piston rod 12 and a pair of piston rod protection device, a pair of cylinder cap 1 is located the both ends of cylinder 11 respectively, and with cylinder 11 fixed connection, every piston rod protection device all includes piston rod lag 3 and connecting plate 2.
The connecting plate 2 is circular plate-shaped, a circular mounting hole 20 is formed in the middle of the connecting plate, the diameter of the mounting hole 20 is slightly larger than that of the piston rod 12, and the connecting plate 2 is conveniently sleeved on the piston rod 12.
An annular boss 23 is arranged at the orifice of the mounting hole 20, an annular groove 25 is arranged on the outer circumferential surface of the annular boss 23, one end of the piston rod protecting sleeve 3 is sleeved on the annular boss 23 and is matched and locked with the annular groove 25 through a hoop, the piston rod protecting sleeve 3 is fixedly connected with the connecting plate 2, and the piston rod protecting device is mounted.
The piston rod protection device is sleeved outside the piston rod 12, the fixing holes 21 on the fixing claws 22 respectively correspond to the connecting flange holes on the cylinder cover 1, the connecting plate 2 is fixedly arranged on the cylinder cover 1 through the bolts 6, and elastic pads and flat pads are arranged on the locking surfaces of the bolts 6 and the connecting plate 2, so that the locking effect is enhanced; and the installation of the plug rod protection device and the steering oil cylinder is completed. Meanwhile, the upper end surface of the annular boss 23 is a chamfer annular surface, so that the piston rod 12 can be prevented from being accidentally injured when the piston rod protection device and the steering oil cylinder are installed.
When the steering oil cylinder works, the piston rod 12 is protected by the piston rod protection sleeve 3 in real time.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A forklift steering cylinder with a piston rod protection device comprises a pair of cylinder covers (1), a cylinder barrel (11) and a pair of piston rods (12), wherein the pair of cylinder covers (1) are respectively positioned at two ends of the cylinder barrel (11) and fixedly connected with the cylinder barrel (11),
the method is characterized in that: the piston rod protection device comprises a piston rod protection sleeve (3) and a connecting plate (2);
the piston rod protecting sleeve (3) is sleeved outside the piston rod (12), one end of the piston rod protecting sleeve is fixedly connected with the cylinder cover (1) through the connecting plate (2), and the connecting plate (2) is fixedly connected with the cylinder cover (1) through a bolt.
2. The forklift steering cylinder with the piston rod protection device according to claim 1, characterized in that: the connecting plate (2) is circular plate-shaped, a circular mounting hole (20) is formed in the middle of the connecting plate, an annular boss (23) is arranged at an orifice of the mounting hole (20), and the piston rod protecting sleeve (3) is fixedly sleeved on the annular boss (23).
3. The forklift steering cylinder with the piston rod protection device according to claim 2, characterized in that: an annular groove (25) is formed in the outer circumferential surface of the annular boss (23), and the piston rod protecting sleeve (3) is sleeved on the annular groove (25) and is locked in a matched mode through a hoop.
4. The forklift steering cylinder with the piston rod protection device according to claim 3, characterized in that: the upper end face of the annular boss (23) is a chamfer annular surface.
5. The forklift steering cylinder with the piston rod protection device according to claim 2, characterized in that: the radial two sides of the connecting plate (2) are provided with fixed claws (22), and each fixed claw (22) is provided with a fixed hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423333.XU CN211226205U (en) | 2019-08-29 | 2019-08-29 | Forklift steering oil cylinder with piston rod protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423333.XU CN211226205U (en) | 2019-08-29 | 2019-08-29 | Forklift steering oil cylinder with piston rod protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211226205U true CN211226205U (en) | 2020-08-11 |
Family
ID=71924149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921423333.XU Active CN211226205U (en) | 2019-08-29 | 2019-08-29 | Forklift steering oil cylinder with piston rod protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211226205U (en) |
-
2019
- 2019-08-29 CN CN201921423333.XU patent/CN211226205U/en active Active
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