CN204366822U - Hollow hydraulic spanner - Google Patents
Hollow hydraulic spanner Download PDFInfo
- Publication number
- CN204366822U CN204366822U CN201420777745.4U CN201420777745U CN204366822U CN 204366822 U CN204366822 U CN 204366822U CN 201420777745 U CN201420777745 U CN 201420777745U CN 204366822 U CN204366822 U CN 204366822U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- cylinder body
- force transmitting
- transmitting board
- housing
- 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 kind of hollow hydraulic spanner, comprise outside housing, housing is installed with cylinder body, is rotatablely equipped with ratchet, ratchet central authorities are inner hexagon spanner, sidewall are a circle stop tooth, also hinged in housing force transmitting board is installed, force transmitting board is provided with perforate and is placed on ratchet outside, and force transmitting board is connected with ratchet by spring, and the stop tooth that ratchet pressure is contacted with ratchet is engaged with it; Piston is slidably fitted with in cylinder body, be provided with bellmouth orifice in piston and be hinged with one end of piston rod, the other end of piston rod is articulated with on force transmitting board, be provided with the import and export that pipeline is also communicated with cylinder body inner carrier two ends respectively in cylinder body, the other end of pipeline is communicated with on 360 ° × 180 ° swivel joints be fixedly mounted on cylinder body.The utility model greatly reduces the wearing and tearing of part, and project organization is simple, and easy to maintenance, without the need to specific purpose tool, moving component is few, durable in use, increases the service life of spanner.
Description
technical field:
The utility model relates to hydraulic spanner field, particularly a kind of hollow hydraulic spanner.
background technology:
Hydraulic spanner, being be power with hydraulic pressure, providing high pulling torque to export, for the installation of bolt and the professional bolt tightening tool of dismounting, through being commonly used to the bolt tightening and dismantle M14-M120.Hollow hydraulic spanner thinner thickness, is specially adapted to the place that space is narrower and small, is applicable to the field such as electric power (nuclear power, wind-powered electricity generation, water power, thermoelectricity), boats and ships, metallurgy, traffic, cement, building, aviation.
utility model content:
The purpose of this utility model is to solve the deficiencies in the prior art, provides a kind of hollow hydraulic spanner that is low, long service life that weares and teares.
The technical solution adopted in the utility model is:
Hollow hydraulic spanner, comprise outside housing, it is characterized in that: described housing is installed with cylinder body, is rotatablely equipped with ratchet, ratchet central authorities are inner hexagon spanner, sidewall are a circle stop tooth, also hinged in housing force transmitting board is installed, force transmitting board is provided with perforate and is placed on ratchet outside, and force transmitting board is connected with ratchet by spring, and the stop tooth that ratchet pressure is contacted with ratchet is engaged with it; Piston is slidably fitted with in cylinder body, be provided with bellmouth orifice in piston and be hinged with one end of piston rod, the other end of piston rod is articulated with on force transmitting board, be provided with pipeline in cylinder body and be communicated with the import and export at cylinder body inner carrier two ends respectively, the other end of pipeline is communicated on 360 ° × 180 ° swivel joints being fixedly mounted on cylinder body.
Described hollow hydraulic spanner, is characterized in that: described housing internal fixtion is provided with counter-force arm, is provided with the activity space of cavity as force transmitting board between force transmitting board and inner walls.
Compared with prior art, the beneficial effects of the utility model are:
The utility model greatly reduces the wearing and tearing of part, and project organization is simple, and easy to maintenance, without the need to specific purpose tool, moving component is few, durable in use, increases the service life of spanner.
accompanying drawing illustrates:
Fig. 1 is the utility model structural representation;
Fig. 2 is the enlarged drawing of the utility model ratchet.
detailed description of the invention:
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail:
Hollow hydraulic spanner, comprise outside housing 1, housing 1 is installed with cylinder body 2, is rotatablely equipped with ratchet 3, ratchet 3 central authorities are inner hexagon spanner, sidewall are a circle stop tooth, also hinged in housing 1 force transmitting board 4 is installed, force transmitting board 4 is provided with perforate and to be placed on ratchet 3 outside, and force transmitting board 4 is connected with ratchet 5 by spring, and the stop tooth that ratchet 5 pressure is contacted with ratchet 3 is engaged with it; Piston 6 is slidably fitted with in cylinder body 2, be provided with bellmouth orifice in piston 6 and be hinged with one end of piston rod 7, the other end of piston rod 7 is articulated with on force transmitting board 4, be provided with pipeline in cylinder body 2 and be communicated with the import and export at cylinder body 2 inner carrier 6 two ends respectively, the other end of pipeline is communicated on 360 ° × 180 ° swivel joints 8 being fixedly mounted on cylinder body 2.
Housing 1 internal fixtion is provided with counter-force arm 9, is provided with the activity space of cavity as force transmitting board 4 between force transmitting board 4 and housing 1 inwall.
Above-described embodiment is only preferably embodiment of the present utility model, and in addition, the utility model can also have other implementations.It should be noted that, under the prerequisite not departing from the utility model design, any apparent improvement and modification all should fall within protection domain of the present utility model.
Claims (2)
1. hollow hydraulic spanner, comprise outside housing, it is characterized in that: described housing is installed with cylinder body, is rotatablely equipped with ratchet, ratchet central authorities are inner hexagon spanner, sidewall are a circle stop tooth, also hinged in housing force transmitting board is installed, force transmitting board is provided with perforate and is placed on ratchet outside, and force transmitting board is connected with ratchet by spring, and the stop tooth that ratchet pressure is contacted with ratchet is engaged with it; Piston is slidably fitted with in cylinder body, be provided with bellmouth orifice in piston and be hinged with one end of piston rod, the other end of piston rod is articulated with on force transmitting board, be provided with pipeline in cylinder body and be communicated with the import and export at cylinder body inner carrier two ends respectively, the other end of pipeline is communicated on 360 ° × 180 ° swivel joints being fixedly mounted on cylinder body.
2. hollow hydraulic spanner according to claim 1, is characterized in that: described housing internal fixtion is provided with counter-force arm, is provided with the activity space of cavity as force transmitting board between force transmitting board and inner walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420777745.4U CN204366822U (en) | 2014-12-10 | 2014-12-10 | Hollow hydraulic spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420777745.4U CN204366822U (en) | 2014-12-10 | 2014-12-10 | Hollow hydraulic spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204366822U true CN204366822U (en) | 2015-06-03 |
Family
ID=53323070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420777745.4U Expired - Fee Related CN204366822U (en) | 2014-12-10 | 2014-12-10 | Hollow hydraulic spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204366822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552098A (en) * | 2014-12-10 | 2015-04-29 | 马鞍山市益华液压机具有限公司 | Hollow hydraulic wrench |
| CN110815107A (en) * | 2019-11-21 | 2020-02-21 | 衡阳市林肯液压设备有限公司 | Hydraulic wrench |
-
2014
- 2014-12-10 CN CN201420777745.4U patent/CN204366822U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552098A (en) * | 2014-12-10 | 2015-04-29 | 马鞍山市益华液压机具有限公司 | Hollow hydraulic wrench |
| CN110815107A (en) * | 2019-11-21 | 2020-02-21 | 衡阳市林肯液压设备有限公司 | Hydraulic wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20151210 |
|
| EXPY | Termination of patent right or utility model |