CN213928998U - Hydraulic oil cylinder capable of preventing piston rod from being broken - Google Patents
Hydraulic oil cylinder capable of preventing piston rod from being broken Download PDFInfo
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- CN213928998U CN213928998U CN202023091462.9U CN202023091462U CN213928998U CN 213928998 U CN213928998 U CN 213928998U CN 202023091462 U CN202023091462 U CN 202023091462U CN 213928998 U CN213928998 U CN 213928998U
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- piston rod
- hydraulic cylinder
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- top cover
- hydraulic oil
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Abstract
The utility model discloses a prevent cracked hydraulic cylinder of piston rod, including hydraulic cylinder main part and draw-in groove, the below of hydraulic cylinder main part is provided with the cylinder bottom, and installs hydraulic oil in the left side of hydraulic cylinder main part and import and export, the inside of hydraulic cylinder main part is provided with the piston main part, and installs the second piston rod in the top of piston main part, the outside of second piston rod is provided with pressure reducing spring, and pressure reducing spring's top installs first piston rod, the outside of first piston rod is provided with the minute power pole, and the top of first piston rod is provided with the installation cover, the inside of installation cover is provided with the locating hole, and the inside of locating hole is provided with the locating pin. The utility model discloses be provided with the pneumatic cylinder top cap and pass through for threaded connection between bolt and the hydraulic cylinder main part, can dismantle the pneumatic cylinder top cap from the device through the bolt like this, later conveniently assemble and dismantle the device to play the effect that the convenience was maintained the device.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field specifically is a prevent cracked hydraulic cylinder of piston rod.
Background
The hydraulic oil cylinder is a hydraulic actuating device which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), has simple structure and reliable work, can remove a speed reducing component when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to hydraulic systems of various machines.
The existing hydraulic oil cylinder has the problem that a piston rod is easy to break, the piston rod cannot be damped, and the device is inconvenient to disassemble and maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent cracked hydraulic cylinder of piston rod to it has the piston rod easy cracked problem to propose current hydraulic cylinder in solving above-mentioned background art, and can not carry out absorbing effect to the piston rod, and inconvenient dismantles the problem of maintenance to the device.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic oil cylinder capable of preventing a piston rod from being broken comprises a hydraulic oil cylinder main body and a clamping groove, a cylinder bottom is arranged below the hydraulic oil cylinder main body, a hydraulic oil inlet and a hydraulic oil outlet are arranged on the left side of the hydraulic oil cylinder main body, a piston main body is arranged inside the hydraulic oil cylinder main body, a second piston rod is arranged above the piston main body, a pressure reducing spring is arranged outside the second piston rod, a first piston rod is arranged above the pressure reducing spring, a force distributing rod is arranged outside the first piston rod, an installation sleeve is arranged above the first piston rod, a positioning hole is formed inside the installation sleeve, a positioning pin is arranged inside the positioning hole, a positioning spring is arranged on the right side of the positioning pin, an annular sleeve body is arranged above the installation sleeve, a sealing ring is arranged above the hydraulic oil cylinder main body, and the outside of draw-in groove is provided with sealed card strip, the outside of sealed card strip is provided with the pneumatic cylinder top cap, and the top of pneumatic cylinder top cap is provided with the bolt.
Preferably, the hydraulic cylinder top cover is in threaded connection with the hydraulic cylinder main body through a bolt, a sealing structure is formed between the hydraulic cylinder top cover and the hydraulic cylinder main body through a sealing ring, and a clamping structure is formed between the hydraulic cylinder top cover and the clamping groove through a sealing clamping strip.
Preferably, the force distribution rods are uniformly distributed along the outer portion of the first piston rod, the force distribution rods are symmetrical with respect to the center line of the first piston rod, four force distribution rods are arranged, and meanwhile the force distribution rods are connected with the first piston rod in a welding mode.
Preferably, the positioning pin forms an elastic structure through the positioning spring and the first piston rod, the positioning pin forms a clamping structure through the positioning hole and the mounting sleeve, and the mounting sleeve is movably connected with the first piston rod.
Preferably, an elastic structure is formed between the pressure reducing spring and the first piston rod, the pressure reducing spring is connected with the first piston rod in a welding mode, and a fully-enclosed structure is formed between the pressure reducing spring and the second piston rod.
Preferably, the first piston rod penetrates through the inside of the hydraulic cylinder top cover, and the outer wall of the first piston rod is tightly attached to the hydraulic cylinder top cover.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the hydraulic cylinder top cover is in threaded connection with the hydraulic cylinder main body through the bolts, so that the hydraulic cylinder top cover can be detached from the device through the bolts, and then the device is convenient to assemble and disassemble, so that the device is convenient to maintain;
2. the utility model discloses be provided with the locating pin and pass through to constitute elastic construction between positioning spring and the first piston rod, can install and dismantle the installation cover through locating pin and locating hole like this to can select to use the annular cover body, or do not use the annular cover body, thereby conveniently install and dismantle the annular cover body, constitute elastic construction between decompression spring and the first piston rod, like this when first piston rod moves downwards, can carry out the shock attenuation to the first piston rod through decompression spring, prevent that the first piston rod from being damaged by collision;
3. the utility model discloses be provided with first piston rod and run through in the inside of pneumatic cylinder top cap, can dismantle first piston rod from the device is inside like this to this is convenient to change and maintain first piston rod, thereby can increase the life of first piston rod.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the top cover of the hydraulic cylinder of the present invention;
FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;
fig. 5 is a schematic view of a part of the enlarged structure at B in fig. 2 according to the present invention.
In the figure: 1. a hydraulic cylinder body; 2. a cylinder bottom; 3. a hydraulic oil inlet and outlet; 4. a hydraulic cylinder top cover; 5. a bolt; 6. a first piston rod; 7. a force-dividing rod; 8. installing a sleeve; 9. an annular sleeve body; 10. a piston body; 11. a second piston rod; 12. a relief spring; 13. a seal ring; 14. a positioning spring; 15. positioning pins; 16. positioning holes; 17. sealing the clamping strip; 18. a clamping groove.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a hydraulic oil cylinder for preventing a piston rod from being broken comprises a hydraulic oil cylinder main body 1 and a clamping groove 18, a cylinder bottom 2 is arranged below the hydraulic oil cylinder main body 1, a hydraulic oil inlet and outlet 3 is installed on the left side of the hydraulic oil cylinder main body 1, a piston main body 10 is arranged inside the hydraulic oil cylinder main body 1, a second piston rod 11 is installed above the piston main body 10, a pressure reducing spring 12 is arranged outside the second piston rod 11, a first piston rod 6 is installed above the pressure reducing spring 12, a force dividing rod 7 is arranged outside the first piston rod 6, a mounting sleeve 8 is arranged above the first piston rod 6, a positioning hole 16 is arranged inside the mounting sleeve 8, a positioning pin 15 is arranged inside the positioning hole 16, a positioning spring 14 is installed on the right side of the positioning pin 15, an annular sleeve body 9 is arranged above the mounting sleeve 8, a sealing ring 13 is arranged above the hydraulic oil cylinder main body 1, the clamping groove 18 is formed in the outer portion of the hydraulic oil cylinder body 1, the sealing clamping strip 17 is arranged on the outer side of the clamping groove 18, the hydraulic cylinder top cover 4 is arranged on the outer portion of the sealing clamping strip 17, and the bolt 5 is arranged above the hydraulic cylinder top cover 4.
The utility model discloses in: the hydraulic cylinder top cover 4 is in threaded connection with the hydraulic cylinder main body 1 through a bolt 5, a sealing structure is formed between the hydraulic cylinder top cover 4 and the hydraulic cylinder main body 1 through a sealing ring 13, and a clamping structure is formed between the hydraulic cylinder top cover 4 and a clamping groove 18 through a sealing clamping strip 17; can dismantle pneumatic cylinder top cap 4 from the device through bolt 5 like this, later conveniently assemble and dismantle the device to play the effect that the convenience was maintained the device.
The utility model discloses in: the force dividing rods 7 are uniformly distributed along the outer portion of the first piston rod 6, the force dividing rods 7 are symmetrical about the center line of the first piston rod 6, four force dividing rods 7 are arranged, and meanwhile the force dividing rods 7 are connected with the first piston rod 6 in a welding mode; the four force-dividing rods 7 can distribute the force borne by the first piston rod 6, thereby preventing the first piston rod 6 from breaking inside the device.
The utility model discloses in: the positioning pin 15 forms an elastic structure with the first piston rod 6 through the positioning spring 14, the positioning pin 15 forms a clamping structure with the mounting sleeve 8 through the positioning hole 16, and the mounting sleeve 8 is movably connected with the first piston rod 6; therefore, the mounting sleeve 8 can be mounted and dismounted through the positioning pin 15 and the positioning hole 16, so that the annular sleeve body 9 can be selected to be used, or the annular sleeve body 9 is not used, and the annular sleeve body 9 is convenient to mount and dismount.
The utility model discloses in: an elastic structure is formed between the pressure reducing spring 12 and the first piston rod 6, the pressure reducing spring 12 and the first piston rod 6 are connected in a welding mode, and a full-surrounding structure is formed between the pressure reducing spring 12 and the second piston rod 11; thus, when the first piston rod 6 moves downward, the first piston rod 6 can be damped by the decompression spring 12, and the first piston rod 6 is prevented from being damaged by impact.
The utility model discloses in: the first piston rod 6 penetrates through the inside of the hydraulic cylinder top cover 4, and the outer wall of the first piston rod 6 is tightly attached to the hydraulic cylinder top cover 4; in this way, the first piston rod 6 can be removed from the interior of the device, thereby facilitating the replacement and maintenance of the first piston rod 6 and increasing the service life of the first piston rod 6.
The working principle of the hydraulic oil cylinder for preventing the piston rod from being broken is as follows: firstly, the whole device is fixed through the cylinder bottom 2, so that the hydraulic cylinder body 1 can be installed, the hydraulic cylinder body 1 is convenient to install, secondly, hydraulic oil is added into the device through the hydraulic oil inlet and outlet 3, so that the hydraulic oil can be added into the device at any time, secondly, the piston body 10 works in the hydraulic cylinder body 1 to drive the first piston rod 6 and the second piston rod 11 to move up and down in a telescopic mode, then the first piston rod 6 moving downwards is subjected to damping treatment through the pressure reducing spring 12, so that the first piston rod 6 is protected to prevent the first piston rod 6 from being damaged by collision, the first piston rod 6 is subjected to partial pressure treatment through the stress distributing rod 7, secondly, the hydraulic cylinder top cover 4 is fixedly installed through the bolts 5, and the hydraulic cylinder body 1 and the hydraulic cylinder top cover 4 are sealed through the sealing clamping strip 17 and the clamping groove 18, thereby keeping the inside of the device in a sealed state, and finally, the mounting sleeve 8 can be mounted and dismounted through the positioning pin 15 and the positioning hole 16.
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 (6)
1. The utility model provides a prevent cracked hydraulic cylinder of piston rod, includes hydraulic cylinder main part (1) and draw-in groove (18), its characterized in that: a cylinder bottom (2) is arranged below the hydraulic oil cylinder main body (1), a hydraulic oil inlet and outlet (3) is arranged on the left side of the hydraulic oil cylinder main body (1), a piston main body (10) is arranged inside the hydraulic oil cylinder main body (1), a second piston rod (11) is arranged above the piston main body (10), a pressure reducing spring (12) is arranged outside the second piston rod (11), a first piston rod (6) is arranged above the pressure reducing spring (12), a force dividing rod (7) is arranged outside the first piston rod (6), an installation sleeve (8) is arranged above the first piston rod (6), a positioning hole (16) is arranged inside the installation sleeve (8), a positioning pin (15) is arranged inside the positioning hole (16), a positioning spring (14) is arranged on the right side of the positioning pin (15), an annular sleeve body (9) is arranged above the installation sleeve (8), a sealing ring (13) is arranged above the hydraulic oil cylinder main body (1), the clamping groove (18) is formed in the outer portion of the hydraulic oil cylinder main body (1), a sealing clamping strip (17) is arranged on the outer side of the clamping groove (18), a hydraulic cylinder top cover (4) is arranged on the outer portion of the sealing clamping strip (17), and a bolt (5) is arranged above the hydraulic cylinder top cover (4).
2. The hydraulic cylinder for preventing the piston rod from being broken as claimed in claim 1, wherein: the hydraulic cylinder top cover (4) is in threaded connection with the hydraulic cylinder main body (1) through the bolt (5), the hydraulic cylinder top cover (4) forms a sealing structure with the hydraulic cylinder main body (1) through the sealing ring (13), and the hydraulic cylinder top cover (4) forms a clamping structure with the clamping groove (18) through the sealing clamping strip (17).
3. The hydraulic cylinder for preventing the piston rod from being broken as claimed in claim 1, wherein: the force dividing rods (7) are uniformly distributed along the outer portion of the first piston rod (6), the force dividing rods (7) are symmetrical about the center line of the first piston rod (6), four force dividing rods (7) are arranged, and meanwhile the force dividing rods (7) are connected with the first piston rod (6) in a welding mode.
4. The hydraulic cylinder for preventing the piston rod from being broken as claimed in claim 1, wherein: the positioning pin (15) forms an elastic structure with the first piston rod (6) through the positioning spring (14), the positioning pin (15) forms a clamping structure with the mounting sleeve (8) through the positioning hole (16), and the mounting sleeve (8) is movably connected with the first piston rod (6).
5. The hydraulic cylinder for preventing the piston rod from being broken as claimed in claim 1, wherein: an elastic structure is formed between the pressure reducing spring (12) and the first piston rod (6), the pressure reducing spring (12) and the first piston rod (6) are connected in a welding mode, and a full-surrounding structure is formed between the pressure reducing spring (12) and the second piston rod (11).
6. The hydraulic cylinder for preventing the piston rod from being broken as claimed in claim 1, wherein: the first piston rod (6) penetrates through the inside of the hydraulic cylinder top cover (4), and the outer wall of the first piston rod (6) is tightly attached to the hydraulic cylinder top cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023091462.9U CN213928998U (en) | 2020-12-21 | 2020-12-21 | Hydraulic oil cylinder capable of preventing piston rod from being broken |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023091462.9U CN213928998U (en) | 2020-12-21 | 2020-12-21 | Hydraulic oil cylinder capable of preventing piston rod from being broken |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213928998U true CN213928998U (en) | 2021-08-10 |
Family
ID=77153883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023091462.9U Active CN213928998U (en) | 2020-12-21 | 2020-12-21 | Hydraulic oil cylinder capable of preventing piston rod from being broken |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213928998U (en) |
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2020
- 2020-12-21 CN CN202023091462.9U patent/CN213928998U/en active Active
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