CN208734883U - A kind of hydraulic breaking hammer leakage-preventing sealing device - Google Patents
A kind of hydraulic breaking hammer leakage-preventing sealing device Download PDFInfo
- Publication number
- CN208734883U CN208734883U CN201821253677.6U CN201821253677U CN208734883U CN 208734883 U CN208734883 U CN 208734883U CN 201821253677 U CN201821253677 U CN 201821253677U CN 208734883 U CN208734883 U CN 208734883U
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- China
- Prior art keywords
- seal
- ring body
- ring
- seal ring
- leakage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a kind of hydraulic breaking hammer leakage-preventing sealing devices, including piston rod and mounting blocks, it is opened up on the mounting blocks fluted, and dustband is provided in groove, and mounting blocks are welded with seal ring body far from the side of dustband, buffering wearing ring is respectively arranged on the inner ring surface of the seal ring body, seal rubber and oil unloading trough, and the quantity for buffering wearing ring is two, and buffering wearing ring is located at seal ring body inner ring surface both ends, and O-ring seal is provided on the outer ring surface of seal ring body, the inside of the seal ring body, which offers, unloads oilhole, and the one end for unloading oilhole is connect with the oil unloading trough, the other end for unloading oilhole extends to the outside of seal ring body, by installing in the inner ring of seal ring body, there are two seal rubbers, it is difficult to hydraulic oil by second seal rubber, increase The sealing effect of seal ring body is added.
Description
Technical field
The utility model relates to sealing device technical field more particularly to a kind of hydraulic breaking hammer leakage-preventing sealing devices.
Background technique
Hydraulic breaking hammer is a kind of novel breaking tool, it is using hydraulic pump as power source, using hydraulic oil as working media,
Its working principle is that moving back and forth externally to do work with the piston rod in fluid pressure driving hydraulic cylinder, in engineering machinery field
It is widely used.The sealing device of cylinder body ante-chamber and middle cylinder body are integral in existing hydraulic breaking hammer, in middle cylinder body
Ante-chamber position is provided with three seals slot, installs sealing ring respectively in slot.The shortcomings that this structure is mainly: cylinder body is in reality in first
In the processing of border, ante-chamber and middle back cavity the case where there are secondary operation, it is difficult to ensure that the concentricity of ante-chamber and middle back cavity, to cause
Hydraulic breaking hammer is in middle cylinder body ante-chamber oil leak in actual work.
Summary of the invention
The shortcomings that purpose of the utility model is to solve middle cylinder body ante-chamber oil leaks existing in the prior art, and propose
A kind of hydraulic breaking hammer leakage-preventing sealing device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of hydraulic breaking hammer leakage-preventing sealing device, including piston rod and mounting blocks offer on the mounting blocks recessed
Slot, and dustband is provided in groove, and mounting blocks are welded with seal ring body far from the side of dustband, it is described close
Buffering wearing ring, seal rubber and oil unloading trough are respectively arranged on the inner ring surface of seal ring ontology, and the quantity for buffering wearing ring is
Two, and buffer wearing ring and be located at seal ring body inner ring surface both ends, and be provided on the outer ring surface of seal ring body O-shaped close
Seal, the inside of the seal ring body, which offers, unloads oilhole, and the one end for unloading oilhole is connect with the oil unloading trough, unloads oilhole
The other end extends to the outside of seal ring body.
Preferably, the quantity of the seal rubber is two, and the inside of seal rubber is waveform, and seal rubber
Be internally provided with reinforcing ring.
Preferably, the quantity of the oil unloading trough is four, and oil unloading trough is evenly distributed on seal ring body radially, and
And oil unloading trough is located between two seal rubbers.
Preferably, the quantity for unloading oilhole is four.
Preferably, the piston rod is plugged in the middle part of mounting blocks and seal ring body.
The beneficial effects of the utility model are: by the way that there are two seal rubbers for installation in the inner ring of seal ring body, and
The inside of seal rubber is waveform, if having hydraulic oil to be located on the inside of seal rubber, making hydraulic oil reservoir, there are in seal rubber
In the wave shape groove of side, it is difficult to which the entire seal rubber of through-hole increases the sealing performance of seal rubber, and seals at two
Oil unloading trough is offered between rubber, when hydraulic oil passes through first seal rubber, hydraulic oil can be stored in oil unloading trough, and be led to
It crosses and unloads oilhole exclusion, hydraulic oil is made to be difficult to increase the sealing effect of seal ring body by second seal rubber.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of hydraulic breaking hammer leakage-preventing sealing device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of hydraulic breaking hammer leakage-preventing sealing device in the structure of seal ring body show
It is intended to.
In figure: 1 piston rod, 2 mounting blocks, 3 seal ring bodies, 4 dustbands, 5 O-ring seals, 6 buffering wearing rings, 7 close
Oilhole is unloaded in envelope rubber, 8 reinforcing rings, 9 oil unloading troughs, 10.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of hydraulic breaking hammer leakage-preventing sealing device, including piston rod 1 and mounting blocks 2, piston rod 1 are inserted
It is located at the middle part of mounting blocks 2 Yu seal ring body 3, opens up fluted on mounting blocks 2, and is provided with dustband 4 in groove, it is dust-proof
4 inside for preventing external dust from entering seal ring body 3 are enclosed, and mounting blocks 2 are welded with far from the side of dustband 4
Seal ring body 3 is respectively arranged with buffering wearing ring 6, seal rubber 7 and oil unloading trough 9 on the inner ring surface of seal ring body 3, and
The quantity for buffering wearing ring 6 is two, and buffers wearing ring 6 and be located at 3 inner ring surface both ends of seal ring body, the number of seal rubber 7
Amount is two, and the inside of seal rubber 7 is waveform, and seal rubber 7 is internally provided with reinforcing ring 8, and reinforcing ring 8 has
Effect prevents the excessive deformation of seal rubber 7, and increases the leakproofness between seal rubber 7 and piston rod 1, and seal
O-ring seal 5 is provided on the outer ring surface of ring body 3, the inside of seal ring body 3, which offers, unloads oilhole 10, and unloads oilhole 10
One end connect with oil unloading trough 9, the other end for unloading oilhole 10 extends to the outside of seal ring body 3, and the quantity of oil unloading trough 9 is four
It is a, and oil unloading trough 9 is evenly distributed on seal ring body 3 radially, and oil unloading trough 9 is located between two seal rubbers 7, unloads
The quantity of oilhole 10 is four.
In the implementation case, the utility model is fixed on middle cylinder body by mounting blocks 2, external dust is prevented by dustband 4
Into the inside of seal ring body 3, to guarantee the quality of hydraulic oil, and two are equipped in the inner ring of seal ring body 3
A seal rubber 7, and the inside of seal rubber 7 is if that waveform makes hydraulic oil have hydraulic oil to be located at 7 inside of seal rubber
It is stored in the wave shape groove of 7 inside of seal rubber, it is difficult to which the entire seal rubber 7 of through-hole increases the close of seal ring body 3
Sealing property, and oil unloading trough 9 is offered between two seal rubbers 7, when hydraulic oil passes through first seal rubber 7, liquid
Pressure oil can be stored in oil unloading trough 9, and be excluded by unloading oilhole 10, and hydraulic oil is made to be difficult to increase by second seal rubber 7
The sealing effect of seal ring body 3 is equipped with O-ring seal 5 in the outside of seal body 3, and O-ring seal 5 is effectively anti-
Stop and has unloaded the outside that the hydraulic oil in oilhole 10 flows to middle cylinder.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of hydraulic breaking hammer leakage-preventing sealing device, including piston rod (1) and mounting blocks (2), which is characterized in that the peace
It opens up fluted on dress block (2), and is provided with dustband (4) in groove, and side of the mounting blocks (2) far from dustband (4)
It is welded with seal ring body (3), buffering wearing ring (6), close is respectively arranged on the inner ring surface of the seal ring body (3)
The quantity sealed rubber (7) and oil unloading trough (9), and buffer wearing ring (6) is two, and buffers wearing ring (6) and be located at sealing ring sheet
Body (3) inner ring surface both ends, and O-ring seal (5), the seal ring body are provided on the outer ring surface of seal ring body (3)
(3) inside, which offers, unloads oilhole (10), and the one end for unloading oilhole (10) is connect with the oil unloading trough (9), unloads oilhole (10)
The other end extends to the outside of seal ring body (3).
2. a kind of hydraulic breaking hammer leakage-preventing sealing device according to claim 1, which is characterized in that the seal rubber
(7) quantity is two, and the inside of seal rubber (7) is waveform, and seal rubber (7) is internally provided with reinforcing ring
(8).
3. a kind of hydraulic breaking hammer leakage-preventing sealing device according to claim 1, which is characterized in that the oil unloading trough
(9) quantity is four, and oil unloading trough (9) is evenly distributed on seal ring body (3) radially, and oil unloading trough (9) is located at
Between two seal rubbers (7).
4. a kind of hydraulic breaking hammer leakage-preventing sealing device according to claim 1, which is characterized in that described to unload oilhole
(10) quantity is four.
5. a kind of hydraulic breaking hammer leakage-preventing sealing device according to claim 1, which is characterized in that the piston rod
(1) it is plugged in the middle part of mounting blocks (2) Yu seal ring body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821253677.6U CN208734883U (en) | 2018-08-06 | 2018-08-06 | A kind of hydraulic breaking hammer leakage-preventing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821253677.6U CN208734883U (en) | 2018-08-06 | 2018-08-06 | A kind of hydraulic breaking hammer leakage-preventing sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734883U true CN208734883U (en) | 2019-04-12 |
Family
ID=66028312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821253677.6U Expired - Fee Related CN208734883U (en) | 2018-08-06 | 2018-08-06 | A kind of hydraulic breaking hammer leakage-preventing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208734883U (en) |
-
2018
- 2018-08-06 CN CN201821253677.6U patent/CN208734883U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210918 Address after: Han Jiang Zhen Hong hori Jiu Long Shan, Shishi City, Quanzhou City, Fujian Province 362700 Patentee after: FUJIAN TONGXING AUTOMOBILE SYNCHRONIZERS Co.,Ltd. Address before: 300000 room 3060, management committee of Tianjin land port logistics equipment Industrial Park, Beichen District, Tianjin Patentee before: TIANJIN PAIWODE TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 |