Driving device of plunger in miniature electric ultra-high pressure hydraulic pump
A driving device and ultra-high pressure technology, applied in the mechanical field, can solve problems such as loose crimping of pipe fittings, high transmission accuracy, and large structural volume, and achieve the effects of reducing installation space, good transmission stability, and high transmission accuracy
Inactive Publication Date: 2011-12-07
张银根
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Problems solved by technology
However, this kind of device that drives the plunger rod to move through the cam mechanism must have enough layout space in the structure to meet the installation of the cam mechanism, so the overall structure is relatively large and difficult to carry, especially in some compact spaces. When crimping, there will be a situation where the crimping pliers cannot be put in. In addition, the precision of the cam mechanism is not high, and it is impossible to give the crimping pliers a high transmission accuracy, which makes the pipe fittings crimping not tight.
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[0024] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0025] The driving device of the plunger in the micro electric ultra-high pressure hydraulic pump is composed of the plunger 3, the driving motor 4, the spring 6 and the transmission structure and other parts, and is suitable for cable cutting, cable end crimping, punching, and sheet metal riveting and crimping tools and other ultra-high pressure hydraulic tools.
[0026] Specifically, as figure 1 As shown, the body 1 of the miniature electric ultra-high pressure hydraulic pump has an oil chamber 2, the plunger 3 is located in the oil chamber 2, the driving motor 4 is fixedly connected to the driving motor 4 on the body 1, and the rotating shaft 5 of the driving motor 4 is connected to the plunger. 3 is provided with a tr...
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The invention provides a driving device for a plunger in a miniature electric ultra-high pressure hydraulic pump, which belongs to the field of mechanical technology. It solves the problems of the existing miniature electric ultra-high pressure hydraulic pump with large volume and low transmission precision. The driving device of the plunger in the miniature electric ultra-high pressure hydraulic pump has an oil cavity in the body of the miniature electric ultra-high pressure hydraulic pump, and the plunger is located in the oil cavity. There is a transmission structure that can intermittently press the plunger with the rotation of the rotating shaft between the plunger and the plunger. There is a spring between the plunger and the body that makes the plunger lean against the transmission structure. The invention has the advantages of small volume, high transmission precision and the like.
Description
technical field [0001] The invention belongs to the technical field of machinery, and relates to a miniature electric ultra-high pressure hydraulic pump, in particular to a driving device for a plunger in the miniature electric ultra-high pressure hydraulic pump. Background technique [0002] At present, most of the aluminum-plastic composite pipes or thin-walled stainless steel pipes adopt the structure of threaded pipe fittings when they are connected to each other. Tighten the pipe fittings to make the pipe fittings fit closely with the composite pipe or thin-wall stainless steel pipe, but the effect of the above connection structure is not good, and the purpose of tight fit and firm connection cannot be achieved. [0003] In response to existing problems, people have designed various crimping tools, and some have applied for patents. For example, Chinese patent literature discloses a charging hydraulic crimping pliers for pressing pipes [application number: 01211889.3; a...
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IPC IPC(8): F04B17/03
Inventor 张银根
Owner 张银根