CN201988243U - Cylinder mechanism of filter press - Google Patents
Cylinder mechanism of filter press Download PDFInfo
- Publication number
- CN201988243U CN201988243U CN2011200474353U CN201120047435U CN201988243U CN 201988243 U CN201988243 U CN 201988243U CN 2011200474353 U CN2011200474353 U CN 2011200474353U CN 201120047435 U CN201120047435 U CN 201120047435U CN 201988243 U CN201988243 U CN 201988243U
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- CN
- China
- Prior art keywords
- piston
- runddichtringo
- piston rod
- gland
- locknut
- Prior art date
- 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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Abstract
The utility model discloses a cylinder mechanism of a filter press, which comprises a cylinder body, a piston and a piston rod which are arranged in the cylinder body. The rear end of a piston installation part of the piston rod is an outwards protruding step part, a piston bush is disposed at the piston installation part of the piston rod, a locknut installation part of the piston rod is provided with a locknut for fixing the piston, the front side and the rear side of the outer periphery surface of the piston are respectively provided with a first Y x type seal ring and a second Y x type seal ring, the piston installation part of the piston rod is sleeved with a circular piston front gland, the piston front gland is located between the piston and the locknut, the rear end of the piston is provided with a circular piston rear gland, and the piston rear gland is located between the step part of the piston rod and the piston. The piston rear gland is provided with a bolt, and the bolt penetrates through the piston rear gland to extend into the piston. The first Y x type seal ring and the second Y x type seal ring are fixed by the piston front gland and the piston rear gland of the cylinder mechanism of the filter press, so that the first Y x type seal ring and the second Y x type seal ring are not prone to deformation and are durable in use.
Description
Technical field
The utility model relates to a kind of filter press, is specifically related to a kind of oil cylinder mechanism of filter press.
Background technology
In the prior art, referring to Fig. 1, the oil cylinder mechanism of filter press comprise cylinder body 1 ', and be arranged at the piston 2 of cylinder body 1 ' interior ' and piston rod 3 ', piston rod 3 ' be disposed with from front to back locknut 5 ' installation portion and piston 2 ' installation portion, piston 2 ' be sheathed on piston rod 3 ' piston 2 ' installation portion, piston rod 3 ' the external peripheral surface of piston 2 ' installation portion be provided with the groove of annular, be provided with in this groove O RunddichtringO 4 ', piston rod 3 ' locknut 5 ' installation portion be provided be used for fixing piston 2 ' locknut 5 ', piston 2 ' the front side and the rear side of external peripheral surface respectively be provided with an annular mounting groove, be provided with in the annular mounting groove Yx RunddichtringO 6 '.
Yet, the piston 2 of the oil cylinder mechanism of above-mentioned filter press ' and cylinder body 1 ' between by Yx RunddichtringO 6 ' seal, in use, since act on during pressurize Yx RunddichtringO 6 ' power very big, use back Yx RunddichtringO 6 ' meeting to produce distortion long-time, thereby cause interior leakage, make piston 2 ' discharge degree not reach the purpose of pressurize.The piston 2 of the oil cylinder mechanism of above-mentioned filter press ' and piston rod 3 ' between by O RunddichtringO 4 ' seal, dismounting piston 2 ' with 3 ' time of piston rod, O RunddichtringO 4 ' meeting is by piston 2 ' shearing, friction, dismounting piston 2 repeatedly ' with piston rod 3 ' after, piston 2 ' and piston rod 3 ' between sealing can be affected, be prone to oil leakage phenomenon, can not pressurize.
Sealing property between the parts of the oil cylinder mechanism of above-mentioned filter press can not keep for a long time, and its effective storage life is shorter, needs a kind of oil cylinder mechanism that can more long-lived filter press in the prior art badly.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of oil cylinder mechanism of more long-lived filter press is provided.
The purpose of this utility model realizes by following scheme: a kind of oil cylinder mechanism of filter press, comprise cylinder body, and be arranged at piston and piston rod in the cylinder body, piston rod is disposed with locknut installation portion and piston installation portion from front to back, the rear end of the piston installation portion of piston rod is the end difference that outwards protrudes, piston bush is located at the piston installation portion of piston rod, the locknut installation portion of piston rod is provided with the locknut that is used for fixing piston, the front side of the external peripheral surface of piston and rear side are respectively arranged with first annular mounting groove and second annular mounting groove, be respectively arranged with a Yx RunddichtringO and the 2nd Yx RunddichtringO in described first annular mounting groove and described second annular mounting groove, the piston installation portion of described piston rod also is arranged with the preceding gland of piston of annular, gland is between described piston and described locknut before the described piston, the outer rim of gland has first pressure ring that extends back before the described piston, described first pressure ring is replaced a described Yx RunddichtringO, the rearward end of described piston is provided with the piston rear pressing cover of annular, described piston rear pressing cover is between the end difference and described piston of described piston rod, described piston rear pressing cover is provided with bolt, described bolt passes described piston rear pressing cover and extend in the described piston, the outer rim of described piston rear pressing cover has second pressure ring that extends forward, and described second pressure ring is replaced described the 2nd Yx RunddichtringO.
Be provided with the O RunddichtringO between described piston rod and the described piston, gland is adjacent before described O RunddichtringO and the described piston.
Be provided with support ring between described piston and the described cylinder body, the external peripheral surface of described piston is provided with cannelure, and described support ring is arranged in the described cannelure.
Advantage of the present utility model is: in the utility model, gland and piston rear pressing cover before the front-end and back-end of piston add piston, by gland before the piston and piston rear pressing cover the one Yx RunddichtringO and the 2nd Yx RunddichtringO are fixed, make a Yx RunddichtringO and the 2nd Yx RunddichtringO be difficult for producing distortion, make the utility model more durable in use.
Description of drawings
Fig. 1 is the structural representation of oil cylinder mechanism of the filter press of prior art;
Fig. 2 is the structural representation of the oil cylinder mechanism of filter press of the present utility model.
In Fig. 1, include:
Cylinder body 1 '; Piston 2 '; Piston rod 3 '; O RunddichtringO 4 '; Locknut 5 '; Yx RunddichtringO 6 '.
In Fig. 2, include:
Cylinder body 1; Piston 2; Piston rod 3; Locknut 4; The one Yx RunddichtringO 5; The 2nd Yx RunddichtringO 6; Gland 7 before the piston; Piston rear pressing cover 8; Bolt 9; O RunddichtringO 10; Support ring 11.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 2, a kind of oil cylinder mechanism of filter press, comprise cylinder body 1, and be arranged at piston 2 and piston rod 3 in the cylinder body 1, piston rod 3 is disposed with locknut 4 installation portions and piston 2 installation portions from front to back, the rear end of piston 2 installation portions of piston rod 3 is the end difference that outwards protrudes, piston 2 is sheathed on piston 2 installation portions of piston rod 3, locknut 4 installation portions of piston rod 3 are provided with the locknut 4 that is used for fixing piston 2, the front side of the external peripheral surface of piston 2 and rear side are respectively arranged with first annular mounting groove and second annular mounting groove, be respectively arranged with a Yx RunddichtringO 5 and the 2nd Yx RunddichtringO 6 in first annular mounting groove and second annular mounting groove, piston 2 installation portions of piston rod 3 also are arranged with the preceding gland 7 of piston of annular, gland 7 is between piston 2 and locknut 4 before the piston, the outer rim of gland 7 has first pressure ring that extends back before the piston, first pressure ring is replaced a Yx RunddichtringO 5, the rearward end of piston 2 is provided with the piston rear pressing cover 8 of annular, piston rear pressing cover 8 is between the end difference and piston 2 of piston rod 3, piston rear pressing cover 8 is provided with bolt 9, bolt 9 passes piston rear pressing cover 8 and extend in the piston 2, the outer rim of piston rear pressing cover 8 has second pressure ring that extends forward, and second pressure ring is replaced the 2nd Yx RunddichtringO 6.
Be provided with O RunddichtringO 10 between piston rod 3 and the piston 2, O RunddichtringO 10 is adjacent with the preceding gland 7 of piston.The damage of O RunddichtringO 10 in unloading process also avoided in the dismounting of the convenient O RunddichtringO 10 of this structure simultaneously.In addition, internal leakage can not take place with the slit complete closed between piston rod 3 and the piston 2 in O RunddichtringO 10.
In the utility model, be provided with support ring 11 between piston 2 and the cylinder body 1, the external peripheral surface of piston 2 is provided with cannelure, and support ring 11 is arranged in the cannelure.
Should be noted that at last; above content is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; the simple modification that those of ordinary skill in the art carries out the technical solution of the utility model or be equal to replacement does not all break away from the essence and the scope of technical solutions of the utility model.
Claims (3)
1. the oil cylinder mechanism of a filter press, comprise cylinder body (1), and be arranged at piston (2) and piston rod (3) in the cylinder body (1), piston rod (3) is disposed with locknut (4) installation portion and piston (2) installation portion from front to back, the rear end of piston (2) installation portion of piston rod (3) is the end difference that outwards protrudes, piston (2) is sheathed on piston (2) installation portion of piston rod (3), locknut (4) installation portion of piston rod (3) is provided with the locknut (4) that is used for fixing piston (2), the front side of the external peripheral surface of piston (2) and rear side are respectively arranged with first annular mounting groove and second annular mounting groove, be respectively arranged with a Yx RunddichtringO (5) and the 2nd Yx RunddichtringO (6) in described first annular mounting groove and described second annular mounting groove, it is characterized in that: piston (2) installation portion of described piston rod (3) also is arranged with the preceding gland (7) of piston of annular, gland (7) is positioned between described piston (2) and the described locknut (4) before the described piston, the outer rim of gland (7) has first pressure ring that extends back before the described piston, described first pressure ring is replaced a described Yx RunddichtringO (5), the rearward end of described piston (2) is provided with the piston rear pressing cover (8) of annular, described piston rear pressing cover (8) is positioned between the end difference and described piston (2) of described piston rod (3), described piston rear pressing cover (8) is provided with bolt (9), described bolt (9) passes described piston rear pressing cover (8) and extend in the described piston (2), the outer rim of described piston rear pressing cover (8) has second pressure ring that extends forward, and described second pressure ring is replaced described the 2nd Yx RunddichtringO (6).
2. according to the oil cylinder mechanism of the described filter press of claim 1, it is characterized in that: be provided with O RunddichtringO (10) between described piston rod (3) and the described piston (2), described O RunddichtringO (10) is adjacent with the preceding gland (7) of described piston.
3. according to the oil cylinder mechanism of claim 1 or 2 described filter presses, it is characterized in that: be provided with support ring (11) between described piston (2) and the described cylinder body (1), the external peripheral surface of described piston (2) is provided with cannelure, and described support ring (11) is arranged in the described cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200474353U CN201988243U (en) | 2011-02-23 | 2011-02-23 | Cylinder mechanism of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200474353U CN201988243U (en) | 2011-02-23 | 2011-02-23 | Cylinder mechanism of filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201988243U true CN201988243U (en) | 2011-09-28 |
Family
ID=44664748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200474353U Expired - Fee Related CN201988243U (en) | 2011-02-23 | 2011-02-23 | Cylinder mechanism of filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201988243U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031985A (en) * | 2015-07-09 | 2015-11-11 | 成都科力夫科技有限公司 | Protection mechanism of hydraulic control system in plate and frame filter press |
| CN105526346A (en) * | 2016-01-20 | 2016-04-27 | 江苏浙南装备技术有限公司 | C-shaped air cylinder piston combination |
-
2011
- 2011-02-23 CN CN2011200474353U patent/CN201988243U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031985A (en) * | 2015-07-09 | 2015-11-11 | 成都科力夫科技有限公司 | Protection mechanism of hydraulic control system in plate and frame filter press |
| CN105526346A (en) * | 2016-01-20 | 2016-04-27 | 江苏浙南装备技术有限公司 | C-shaped air cylinder piston combination |
| CN105526346B (en) * | 2016-01-20 | 2017-05-24 | 江苏浙南装备技术有限公司 | C-shaped air cylinder piston combination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20120223 |