Single-hand ratchet wheel open spanner

An open-end wrench and ratchet technology, applied in the directions of wrenches, screwdrivers, manufacturing tools, etc., can solve the problems of inconvenient adjustment and difficulty for people with pipe wrenches to easily access the pipeline.

Pending Publication Date: 2020-10-20
ZHANGJIAGANG STEELMAN HARDWARE PROD CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Often, access to the pipe is limited, making it difficult for someone using a pipe wrench to easily access the pipe, which in turn makes it difficult for someone using a pipe wrench to properly adjust the pipe wrench to the pipe
In addition, when adjusting the general pipe wrench, the user needs two hands to hold the handle of the pipe wrench to start the adjustable jaw of the pipe wrench, which is very inconvenient to adjust

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Single-hand ratchet wheel open spanner
  • Single-hand ratchet wheel open spanner
  • Single-hand ratchet wheel open spanner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] like Figure 1-4 As shown, a single-handed ratchet open-end wrench includes a pliers handle 1 on which a fixed jaw block 2, a movable jaw block 3, and an adjusting worm that drives the movable jaw block 3 to move toward the fixed jaw block 2 4. The movable jaw block 3 is provided with teeth 5 matching with the adjusting worm 4 .

[0019] An adjustment handle 6 is hinged on the clamp handle 1, and a side return spring 7 that pushes out the adjustment handle 6 after the inward rotation is provided on the clamp handle 1. A drive rod 8 is hinged on the adjustment handle 6, and the end of the drive rod 8 is hinged with a Connecting rod 9, clamp handle 1 is provided with upper return spring 10, and upper return spring 10 is connected with central rod 11, and central rod 11 is provided with clutch 12, and the outer surface of clutch 12 is con...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a single-hand ratchet wheel open spanner. The single-hand ratchet wheel open spanner comprises a handle bar, a regular jaw block, a movable jaw block and an adjusting worm arearranged on the handle bar, teeth are arranged on the movable jaw block, an adjusting handle is hinged to the handle bar, a driving rod is hinged to the adjusting handle, a connecting rod is hinged tothe end of the driving rod, and an upper reset spring is arranged in the handle bar; a center rod is connected to the upper reset spring, a clutch is arranged on the center rod, a braking ratchet wheel is movably arranged on the clutch, a braking pawl is movably arranged in the handle bar, a driving fluted disc synchronously moving with the braking ratchet wheel movably sleeves the center rod, the driving fluted disc is meshed with a driving chain wheel, and a driven chain wheel is arranged on the adjusting worm; a driving chain is arranged between the driving chain wheel and the driven chainwheel in a sleeving mode; and a pliers opening spring is arranged in the handle bar and is connected with the driving fluted disc through a steel wire so as to drive the driving fluted disc to reversely rotate to open the movable jaw block when the pawl is separated from the braking ratchet wheel.

Description

technical field [0001] The invention relates to a single-hand ratchet open-end wrench. Background technique [0002] A pipe wrench is well known in the industry as one of several types of wrenches used to grasp and turn threaded pipe and fittings for assembly or disassembly. Many pipe wrench are adjustable. For example, a common pipe wrench uses a manually driven worm gear attached to the adjustable jaw to vary the distance between the adjustable and fixed jaws. [0003] Often, access to the pipe is limited, making it difficult for a person using a pipe wrench to easily access the pipe, which in turn makes it difficult for a person using a pipe wrench to properly adjust the pipe wrench onto the pipe. In addition, when adjusting the general pipe wrench, the user needs two hands to hold the handle of the pipe wrench to start the adjustable jaw of the pipe wrench, which is very inconvenient to adjust. Contents of the invention [0004] The technical problem to be solved by...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B25B13/16B25B13/46B25B13/50B25B23/00
CPCB25B13/16B25B13/46B25B13/5008B25B23/00
Inventor 陈春根
Owner ZHANGJIAGANG STEELMAN HARDWARE PROD CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap