CN109015492B

CN109015492B - Ratchet type vertical universal wrench

Info

Publication number: CN109015492B
Application number: CN201810952894.2A
Authority: CN
Inventors: 陆勇星; 杨利军
Original assignee: Jinhua Polytechnic
Current assignee: Jinhua Polytechnic
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2021-02-02
Anticipated expiration: 2038-08-13
Also published as: CN109015492A

Abstract

The invention provides a ratchet wheel type vertical universal wrench, which comprises an outer barrel and an inner barrel which are sleeved, wherein an outer wheel part of a ratchet wheel is arranged below the outer barrel, a gap is arranged above the outer barrel, a gripping rod is additionally arranged, an inner wheel part of the ratchet wheel is arranged outside the lower part of the inner barrel, a threaded hole penetrating through the side wall of the inner barrel is arranged, the threaded hole is matched with a bolt, the upper part of the inner barrel is connected with a knob, a connecting rod of the inner barrel is provided with a pin which can be clamped into the gap, when the outer barrel and the inner barrel move axially, the outer wheel part of the ratchet wheel is staggered with the inner wheel part of the ratchet wheel, and the outer barrel and the inner barrel. The wrench adapts to various types of bolts and nuts by changing the length of the bolts in the clamping openings, is convenient to adjust and stable to use, and brings great convenience to maintenance and overhaul.

Description

Ratchet type vertical universal wrench

Technical Field

The invention belongs to the technical field of hardware tools, and particularly relates to the dismounting and mounting of an external bolt. In particular to a ratchet wrench.

Background

Bolts are nuts, and parts for fastening are screwed together with bolts or screws, and are important parts of mechanical production machines. The bolt is used for fastening and combining parts in machinery and household appliances in our lives.

The factory needs a large amount of mechanical equipment to finish the process in the papermaking process, for example, equipment such as a crusher, a centrifuge and the like needs to be overhauled and disassembled to the equipment in the use process. The wrench is one of the most commonly used tools in the maintenance process, but in the maintenance process, the types of hesitant bolts and nuts are different, and the sizes of openings of the existing wrenches are mostly fixed and can only be suitable for one or two types of bolts and nuts; to the maintenance of the mechanical equipment with a complex structure, the maintenance needs to be carried with wrenches of various models, which brings great inconvenience to a maintenance master, and although the adjustable wrench can be adjusted within a certain range, the clamping force of the adjustable wrench is too small, so that the bolt and the nut are easily damaged.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a disassembling tool suitable for bolts and nuts of different types, which brings convenience for maintenance and overhaul.

The purpose of the invention can be realized by the following technical scheme: a ratchet wheel type vertical universal wrench is characterized by comprising an outer barrel body and an inner barrel body which are sleeved, wherein the inner wall of the outer barrel body is provided with an outer wheel part of a ratchet wheel, the outer wall of the outer barrel body is provided with a holding rod, and an L-shaped notch is formed above the outer barrel body; the outer wall of the inner cylinder body is provided with an inner wheel part of a ratchet wheel, the outer wheel part and the inner wheel part are concentrically meshed, the side wall below the inner cylinder body is provided with a plurality of threaded holes which penetrate through, the threaded holes are matched with bolts, and the end parts of the bolts are opposite to form clamping openings; the outer barrel is internally provided with a bearing, the outer ring of the bearing is fixedly connected with the outer barrel, the inner ring of the bearing is connected with one end of the cylindrical spring, the inner barrel is connected with the other end of the cylindrical spring, a concentric connecting rod is arranged above the inner barrel, the connecting rod penetrates through the bearing and extends to the upper part of the outer barrel, the top end of the connecting rod is provided with a knob, a pin vertically arranged with the connecting rod is arranged on the connecting rod, the pin can be buckled into a notch when the outer barrel and the inner barrel move axially, and meanwhile, the outer wheel part of the ratchet wheel and the inner wheel part of the ratchet wheel can be staggered, so that the outer barrel and the.

The gripping rods are symmetrically arranged on two sides of the outer cylinder body, and the number of the gripping rods is two.

The number of the threaded holes is at least three, and the number of the bolts is at least three.

The inner ring of the bearing is provided with a correction barrel, the inner barrel and the correction barrel are positioned on two sides of the bearing, and the connecting rod penetrates through the correction barrel to stabilize the swinging of the connecting rod.

Compared with the prior art, the wrench adapts to the bolt and the nut of various types by changing the length of the bolt in the clamping opening, is convenient to adjust and stable to use, and brings great convenience to maintenance and overhaul.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the ratcheting and bolt action of the present invention.

FIG. 3 is a schematic view showing the adjustability of the inner barrel structure of the present invention.

Figure 4 is a view of the position of the nip of the present invention.

In the figure, 1, a knob; 2. a connecting rod; 3. an inner wheel portion of the ratchet; 4. an inner cylinder; 5. a spring; 6. a bearing; 7. a pin; 8. a bolt; 9. a bolt; 10. a bolt; 11. an outer cylinder; 12. a grip lever; 13. a grip lever.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the present invention comprises an inner cylinder 4 and an outer cylinder 11 which are coaxially sleeved.

The inner wall of the outer cylinder body 11 is provided with an outer wheel part of the ratchet wheel, the outer wall of the outer cylinder body is provided with a holding rod 13, and the holding rod 13 is symmetrically arranged at two sides of the outer cylinder body 11. An L-shaped gap is arranged above the outer cylinder body 11. A bearing 6 is arranged in the outer cylinder body 11, and the outer ring of the bearing 6 is fixed with the inner wall of the outer cylinder body 11. The upper part of the bearing 6 is provided with a correcting cylinder, the lower part is provided with an inner cylinder 4, and a spring 5 is arranged between the bearing 6 and the inner cylinder 4, so that the correcting cylinder and the spring 5 are fixed on an inner ring of the bearing 6.

The inner cylinder 4 has an inner wheel portion 3 of the ratchet wheel on the outer wall thereof, and the inner wheel portion 3 is in concentric tooth-to-tooth engagement with the outer wheel portion. A plurality of threaded holes which penetrate through are formed below the inner cylinder body 4 and matched with bolts, and in the figure 4, the end parts of the bolts 8, the bolts 9 and the bolts 10 are opposite to form clamping openings. The position relation before and after the bolt is adjustable, consequently press from both sides the mouth and can be big or small, adapts to the bolt and the nut of different models.

The upper end of the inner cylinder body 4 is provided with a connecting rod 2, the connecting rod 2 penetrates through the bearing 6 and the correcting cylinder, the upper end of the connecting rod 2 is arranged above the outer cylinder body 11, and the upper end of the connecting rod 2 is provided with a knob 1. The connecting rod 2 is provided with a pin 7, and the pin 7 swings to be vertical to the connecting rod 2. The pin 7 is matched with a side gap of the outer cylinder body 11, and the pin 7 is limited to rotate at the gap and then is limited up and down.

During adjustment, the connecting rod 2 is pressed downwards to expose the lower part of the inner cylinder 4, the connecting rod 2 is rotated to clamp the pin 7 at the notch, and the position of the inner cylinder 4 is fixed. Then adjusting the

bolts

8, 9 and 10 to adapt to nuts of different types. Finally, the knob 1 is rotated to enable the pin 7 to be separated from the notch, the inner cylinder body 4 automatically ascends, and the inner wheel part 3 of the ratchet wheel is clamped to the outer wheel part of the ratchet wheel again to realize rotation limiting.

Claims

1. A ratchet wheel type vertical universal wrench is characterized by comprising an outer barrel body and an inner barrel body which are sleeved, wherein the inner wall of the outer barrel body is provided with an outer wheel part of a ratchet wheel, the outer wall of the outer barrel body is provided with a holding rod, and an L-shaped notch is formed above the outer barrel body; the outer wall of the inner cylinder body is provided with an inner wheel part of a ratchet wheel, the outer wheel part and the inner wheel part are concentrically meshed, the side wall below the inner cylinder body is provided with a plurality of threaded holes which penetrate through, the threaded holes are matched with bolts, and the end parts of the bolts are opposite to form clamping openings; the outer barrel is internally provided with a bearing, the outer ring of the bearing is fixedly connected with the outer barrel, the inner ring of the bearing is connected with one end of the cylindrical spring, the inner barrel is connected with the other end of the cylindrical spring, a concentric connecting rod is arranged above the inner barrel, the connecting rod penetrates through the bearing and extends to the upper part of the outer barrel, the top end of the connecting rod is provided with a knob, a pin vertically arranged on the connecting rod is arranged on the connecting rod, the pin can be buckled into a notch when the outer barrel and the inner barrel move axially, the outer wheel part of the ratchet wheel and the inner wheel part of the ratchet wheel can be axially staggered simultaneously, the outer barrel and the inner barrel move mutually, the connecting rod is pressed downwards to enable the lower part of the inner barrel to be exposed, the size of a bolt clamping opening is adjusted after the bolt.

2. A ratchet-type vertical universal wrench according to claim 1, wherein the number of the grip levers is two, the grip levers being symmetrically disposed on both sides of the outer barrel.

3. A ratcheting vertical universal wrench as claimed in claim 2, wherein the number of threaded holes is at least three and the number of bolts is at least three.

4. A ratchet type vertical universal wrench as claimed in claim 3, wherein the bearing inner race is provided with a correction barrel, the inner barrel and the correction barrel are disposed at both sides of the bearing, and the connecting rod passes through the correction barrel to stabilize the swinging of the connecting rod.