CN212271069U - Cylinder body seal structure that hydraulic pressure quartering hammer was used - Google Patents
Cylinder body seal structure that hydraulic pressure quartering hammer was used Download PDFInfo
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- CN212271069U CN212271069U CN202020815463.4U CN202020815463U CN212271069U CN 212271069 U CN212271069 U CN 212271069U CN 202020815463 U CN202020815463 U CN 202020815463U CN 212271069 U CN212271069 U CN 212271069U
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Abstract
The utility model is suitable for the technical field of machinery, and provides a cylinder body seal structure for a hydraulic breaking hammer, which comprises a cylinder body assembly, wherein the cylinder body assembly comprises an upper cylinder, a drill rod and a middle cylinder, the upper cylinder is connected with one end of the drill rod in a sliding manner, the cylinder body assembly further comprises a connecting assembly, the connecting assembly comprises a ball bin, a positioning ball, a limiting ring and a spring, the ball bin is arranged on the inner wall of the limiting ring, the upper cylinder, the drill rod, the middle cylinder, the ball bin, the positioning ball, the limiting ring and the spring are arranged, the limiting ring is held by a hand to slide upwards, the spring is compressed, when the ball bin is opposite to the positioning ball, the upper cylinder is inserted into the middle cylinder, the positioning ball rolls into the ball bin, when the positioning ball is positioned in an arc groove on the outer wall of the upper cylinder, the hand is released, the spring is reset, stretched to push the limiting ring to slide upwards, the positioning ball can roll into the outer, the problem of general hydraulic breaking hammer go up to have the oil leak phenomenon between jar and the well jar, sealed effect is unsatisfactory is solved.
Description
Technical Field
The utility model belongs to the technical field of machinery, especially, relate to a cylinder body seal structure that hydraulic pressure quartering hammer was used.
Background
Hydraulic breaking hammers have become an important working tool of hydraulic excavators, and people also install hydraulic breaking hammers on backhoe loaders or wheel loaders for breaking operation, and the hydraulic breaking hammers are mainly installed on mechanical devices for breaking stones.
Because the hydraulic oil works in the middle cylinder, oil leakage can occur between the upper cylinder and the middle cylinder, and the sealing effect of the upper cylinder and the middle cylinder of the common hydraulic breaking hammer is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cylinder body seal structure that hydraulic breaking hammer was used aims at solving general hydraulic breaking hammer and goes up to have the oil leak phenomenon between jar and the well jar, sealed unsatisfactory problem of effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cylinder body seal structure that hydraulic breaking hammer used, includes the cylinder body subassembly, the cylinder body subassembly includes upper cylinder, drill rod and well cylinder, upper cylinder sliding connection in the one end of drill rod, well cylinder jacket is located the middle part of drill rod still includes coupling assembling, coupling assembling includes ball storehouse, location ball, restriction ring and spring, the ball storehouse is seted up in the inner wall of restriction ring, arrange in the location ball the inner wall of well cylinder, restriction ring sliding connection in the one end of well cylinder outer wall, the both ends of spring respectively fixed connection in the outer wall of well cylinder with the inner wall of restriction ring.
Preferably, the outer wall of the middle cylinder is provided with a positioning plate, and the spring is fixedly connected to the top surface of the positioning plate.
Preferably, the connecting assembly further comprises a blocking ring fixedly connected to the outer wall of the middle cylinder.
Preferably, the outer wall of the middle cylinder is provided with a through hole, the positioning ball is arranged in the through hole, and the inner end of the through hole is matched with the outer wall of the positioning ball.
Preferably, the inner wall of the limiting ring is provided with a groove, and the spring is fixedly connected to the top surface inside the groove.
Preferably, the positioning plate, the ball bin, the positioning ball, the spring and the groove are all provided with four.
Preferably, the outer wall of the upper cylinder is provided with an arc groove, and the arc groove is matched with the outer wall of the positioning ball.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a cylinder body seal structure for hydraulic breaking hammer, through setting up the upper cylinder, the drill rod, the middle cylinder, the ball storehouse, the location ball, the restriction ring and the spring, when installing, hold the outer wall of restriction ring with the hand and make the restriction ring slide to the direction of keeping away from the upper cylinder, because the both ends of spring act on the outer wall of middle cylinder and the inner wall of restriction ring respectively, so the spring is compressed this moment, when the ball storehouse is relative with the location ball, insert the upper cylinder in the connector of middle cylinder, and make it touch the location ball, because the location ball does not have the blockking of restriction ring inner wall, the location ball rolls into the ball storehouse, continue to insert the upper cylinder, when the location ball is located the circular arc recess of upper cylinder outer wall, loosen the hand, the spring resets and stretches and promotes the restriction ring and slides to the upper cylinder direction, because the ball storehouse is less, can not hold the location ball completely, and the location ball outer wall is circular arc, so the location ball can roll into the middle cylinder outer wall and be held, because the positioning ball is attached to the inner wall of the arc groove, the connection is in a closed state, and therefore the problems that oil leakage occurs between an upper cylinder and a middle cylinder of a common hydraulic breaking hammer and the sealing effect is not ideal are solved after the hydraulic breaking hammer is installed.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a structural cross-sectional view of the installation process of the present invention;
FIG. 3 is a sectional view of the structure of the present invention after installation;
in the figure: 1. a cylinder block assembly; 2. a connecting assembly; 11. feeding a cylinder; 12. a drill rod; 13. a middle cylinder; 14. positioning a plate; 21. a barrier ring; 22. a ball bin; 23. a positioning ball; 24. a confinement ring; 25. a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a cylinder body seal structure that hydraulic breaking hammer was used, including cylinder body subassembly 1, cylinder body subassembly 1 includes upper cylinder 11, drill rod 12 and well jar 13, upper cylinder 11 sliding connection is in the one end of drill rod 12, the middle part of drill rod 12 is located to well jar 13 cover, still include coupling assembling 2, coupling assembling 2 includes ball storehouse 22, location ball 23, stop collar 24 and spring 25, the inner wall of stop collar 24 is seted up to ball storehouse 22, place the inner wall of well jar 13 in location ball 23 in, stop collar 24 sliding connection is in the one end of well jar 13 outer wall, spring 25's both ends are fixed connection in well jar 13's outer wall and stop collar 24's inner wall respectively.
In this embodiment, the sliding connection between the drill rod 12 and the upper cylinder 11 is provided with a piston, the ball chamber 22 has a small capacity and cannot even accommodate a half of the positioning ball 23, when the spring 25 is reset and stretched, the positioning ball 23 is pressed back into the through hole formed in the outer wall of the middle cylinder 13, and the positioning ball 23 is clamped in the through hole because the inner end of the through hole has a diameter smaller than that of the positioning ball 23 and is matched with the outer wall of the positioning ball 23.
In this embodiment, when installing, holding the outer wall of the limit ring 24 by hand to make the limit ring 24 slide in the direction away from the upper cylinder 11, because the two ends of the spring 25 respectively act on the positioning plate 14 on the outer wall of the middle cylinder 13 and the top surface of the groove formed on the inner wall of the limit ring 24, the spring 25 is compressed, when sliding to the ball bin 22 opposite to the positioning ball 23, the connecting end of the upper cylinder 11 is inserted into the connecting port of the middle cylinder 13 until it touches the positioning ball 23, because the positioning ball 23 is not blocked by the inner wall of the limit ring 24 at this time, the positioning ball 23 rolls into the ball bin 22, continuing to insert the upper cylinder 11, when the positioning ball 23 is located in the arc groove on the outer wall of the upper cylinder 11, the hand is released, because the positioning plate 14 is fixed on the outer wall of the middle cylinder 13, the spring 25 is reset and stretched to push the limit ring 24 to slide in the direction of the upper cylinder 11, because the ball bin 22, the positioning ball 23 is pressed and rolled into the through hole on the outer wall of the middle cylinder 13, clamped between the inner wall of the limiting ring 24 and the arc groove on the outer wall of the upper cylinder 11 and kept fixed, and because the positioning ball 23 is attached to the inner wall of the arc groove and abutted against each other, the upper cylinder 11 and the middle cylinder 13 are kept relatively fixed, oil may leak at the joint part only through the gap between the outer walls of the upper cylinder 11 and the middle cylinder 13, but the connection is blocked by the positioning ball 23, so that the connection is in a closed state, and the problems that the oil leakage phenomenon exists between the upper cylinder 11 and the middle cylinder 13 of a common hydraulic breaking hammer and the sealing effect is not ideal are solved.
Furthermore, the outer wall of the middle cylinder 13 is provided with a positioning plate 14, and a spring 25 is fixedly connected to the top surface of the positioning plate 14.
In this embodiment, the outer wall of the retainer ring 24 is held by hand to slide the retainer ring 24 in a direction away from the upper cylinder 11, and both ends of the spring 25 act on the positioning plate 14 on the outer wall of the middle cylinder 13 and the top surface of the recess formed in the inner wall of the retainer ring 24, respectively, so that the spring 25 is compressed at this time, and when the hand is released, the spring 25 is returned to tension to push the retainer ring 24 to slide in the direction of the upper cylinder 11.
Further, the connecting assembly 2 further comprises a blocking ring 21, and the blocking ring 21 is fixedly connected to the outer wall of the middle cylinder 13.
In the present embodiment, the blocking ring 21 is used to block the limit ring 24, and the limit ring 24 is clamped between the positioning plate 14 and the blocking ring 21 due to the urging action of the spring 25 on the limit ring 24.
Furthermore, the outer wall of the middle cylinder 13 is provided with a through hole, the positioning ball 23 is arranged in the through hole, and the inner end of the through hole is matched with the outer wall of the positioning ball 23.
In this embodiment, the ball bin 22 has a small capacity, even cannot accommodate half of the positioning ball 23, after the hand is loosened, the spring 25 is reset and stretched, the positioning ball 23 is pressed back into the through hole formed in the outer wall of the middle cylinder 13, and the positioning ball 23 is clamped in the through hole because the inner end of the through hole has a diameter smaller than that of the positioning ball 23 and is matched with the outer wall of the positioning ball 23.
Furthermore, the inner wall of the limiting ring 24 is provided with a groove, and the spring 25 is fixedly connected to the top surface inside the groove.
In this embodiment, the two ends of the spring 25 respectively act on the positioning plate 14 on the outer wall of the middle cylinder 13 and the top surface of the recess formed on the inner wall of the limit ring 24, when the outer wall of the limit ring 24 is held by hand to make the limit ring 24 slide in the direction away from the upper cylinder 11, the spring 25 is compressed, after the hand is released, the spring 25 is reset, and because the positioning plate 14 is fixed on the outer wall of the middle cylinder 13, the reset and extension of the spring 25 will push the limit ring 24 to slide in the direction of the upper cylinder 11.
Further, four positioning plates 14, four ball bins 22, four positioning balls 23, four springs 25 and four grooves are arranged.
In the present embodiment, the positioning plate 14, the ball bin 22, the positioning balls 23, the springs 25 and the grooves are provided with four directions which are located on the outer wall of the middle cylinder 13, so that the relative fixing state between the upper cylinder 11 and the middle cylinder 13 is more stable after installation.
Further, the outer wall of the upper cylinder 11 is provided with an arc groove, and the arc groove is matched with the outer wall of the positioning ball 23.
In the embodiment, when the hand is released, the spring 25 is reset and stretched to push the limiting ring 24 to slide towards the upper cylinder 11, the positioning ball 23 is squeezed and clamped between the inner wall of the limiting ring 24 and the arc groove of the outer wall of the upper cylinder 11 and is kept fixed, and the upper cylinder 11 and the middle cylinder 13 are kept relatively fixed due to the fact that the positioning ball 23 is attached to the inner wall of the arc groove and mutually abutted to the inner wall of the arc groove.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A cylinder body sealing structure for a hydraulic breaking hammer comprises a cylinder body assembly (1), wherein the cylinder body assembly (1) comprises an upper cylinder (11), a drill rod (12) and a middle cylinder (13), the upper cylinder (11) is connected to one end of the drill rod (12) in a sliding mode, the middle cylinder (13) is sleeved on the middle of the drill rod (12), and the hydraulic breaking hammer is characterized in that: still include coupling assembling (2), coupling assembling (2) are including ball storehouse (22), location ball (23), restriction ring (24) and spring (25), ball storehouse (22) are seted up in the inner wall of restriction ring (24), place in location ball (23) the inner wall of well jar (13), restriction ring (24) sliding connection in the one end of well jar (13) outer wall, the both ends difference fixed connection of spring (25) in the outer wall of well jar (13) with the inner wall of restriction ring (24).
2. A cylinder sealing structure for a hydraulic demolition hammer as set forth in claim 1, wherein: the outer wall of the middle cylinder (13) is provided with a positioning plate (14), and the spring (25) is fixedly connected to the top surface of the positioning plate (14).
3. A cylinder sealing structure for a hydraulic demolition hammer as set forth in claim 1, wherein: the connecting assembly (2) further comprises a blocking ring (21), and the blocking ring (21) is fixedly connected to the outer wall of the middle cylinder (13).
4. A cylinder sealing structure for a hydraulic demolition hammer as set forth in claim 1, wherein: the outer wall of the middle cylinder (13) is provided with a through hole, the positioning ball (23) is arranged in the through hole, and the inner end of the through hole is matched with the outer wall of the positioning ball (23).
5. A cylinder sealing structure for a hydraulic demolition hammer as set forth in claim 2, wherein: the inner wall of the limiting ring (24) is provided with a groove, and the spring (25) is fixedly connected to the top surface in the groove.
6. A cylinder sealing structure for a hydraulic demolition hammer as set forth in claim 5, wherein: the positioning plate (14), the ball bin (22), the positioning balls (23), the springs (25) and the grooves are all provided with four.
7. A cylinder sealing structure for a hydraulic demolition hammer as set forth in claim 1, wherein: the outer wall of the upper cylinder (11) is provided with an arc groove, and the arc groove is matched with the outer wall of the positioning ball (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020815463.4U CN212271069U (en) | 2020-05-16 | 2020-05-16 | Cylinder body seal structure that hydraulic pressure quartering hammer was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020815463.4U CN212271069U (en) | 2020-05-16 | 2020-05-16 | Cylinder body seal structure that hydraulic pressure quartering hammer was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212271069U true CN212271069U (en) | 2021-01-01 |
Family
ID=73877893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020815463.4U Active CN212271069U (en) | 2020-05-16 | 2020-05-16 | Cylinder body seal structure that hydraulic pressure quartering hammer was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212271069U (en) |
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2020
- 2020-05-16 CN CN202020815463.4U patent/CN212271069U/en active Active
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