CN217620416U

CN217620416U - Strong wind-driven plate beating device

Info

Publication number: CN217620416U
Application number: CN202221323953.8U
Authority: CN
Inventors: 姜国城
Original assignee: Ningbo Steed Tools Co ltd
Current assignee: Ningbo Steed Tools Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-10-21
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a powerful wind is pulled and is beaten device, include: the handle body comprises a hammering body and a handle part, and the handle part is used for holding; an accommodating cavity is arranged in the hammering body; the handle part is provided with an air inlet channel, the air inlet channel is connected with an external air source, and the air inlet channel is communicated with the accommodating cavity; the trigger assembly is arranged on the handle body and is used for controlling the connection or disconnection of the air inlet channel and the accommodating cavity; and the adjusting assembly is arranged at one end of the handle body and is used for adjusting the air quantity flowing to the air inlet channel from the air inlet joint, so that the air quantity entering the air cylinder assembly is adjusted. The cylinder assembly is arranged in the accommodating cavity, and an external air source drives a rotor of the cylinder assembly to rotate; and the hammering assembly is used for enabling the rotor of the air cylinder assembly to drive the hammering chamber and the transmission shaft to rotate. This technical scheme torsion is more powerful, adopts two design of beating, and not only effectual improvement torsion, sturdy and durable moreover, the performance is more stable to the noise is little, has improved work efficiency.

Description

Strong wind-driven plate beating device

Technical Field

The utility model relates to a pneumatic instrument field of beating, more specifically relates to a device is beaten to powerful wind board.

Background

The pneumatic wrench is a hand-held pneumatic tool, in particular to a high-efficiency tool for disassembling and assembling screws and nuts, and has wide application in the industries of petroleum, chemical engineering, railways, automobiles, bridges, buildings, electric power, ships and the like. The working principle of the pneumatic wrench is that the motor blade is driven to rotate by compressed air, and the pneumatic wrench drives the hammering device to continuously knock and rotate when rotating.

In order to be applied in certain fields, such as the positions with small space, dense equipment and pipelines, and the like, the traditional wind trigger can not be used, so that a mini wind trigger is developed, and the mini wind trigger has the characteristics of small volume, light weight, single-hand holding, convenience in use and the like, and the application range of the wind trigger is expanded. However, the mini-type wind trigger in the prior art has the problems that the torque force cannot meet the requirements of people along with the reduction of the volume and the weight, the adjustment cannot be carried out according to the wind force, and the like.

Therefore, how to provide a device capable of effectively increasing the torque of the wind trigger and adjusting the torque thereof becomes a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device is beaten to powerful wind is pulled to the torsion that solves the mini wind trigger of prior art does not reach people's requirement problem.

According to an aspect of the utility model provides a device is beaten to powerful wind pull, include:

the handle body comprises a hammering body and a handle part, and the handle part is used for holding; an accommodating cavity is formed in the hammering body, and the front end and the rear end of the accommodating cavity are respectively in sealing connection through a front protecting cover and a sealing cover; the handle part is provided with an air inlet channel, the air inlet channel is connected with an external air source, and the air inlet channel is communicated with the accommodating cavity;

the trigger assembly is arranged on the handle body and is used for controlling the connection or disconnection of the air inlet channel and the accommodating cavity;

the adjusting assembly is arranged at one end of the handle body and is used for adjusting the air quantity flowing to the accommodating cavity from the air inlet channel;

the cylinder assembly is arranged in the accommodating cavity, and the external air source drives a rotor of the cylinder assembly to rotate; and

the beating assembly comprises a beating chamber, a first beating block and a second beating block; the first beating block and the second beating block are both arranged in the beating chamber through fixing pins; one end of the hammering chamber is connected with the rotor, the other end of the hammering chamber is provided with a transmission shaft, one end of the transmission shaft penetrates out of the front protecting cover, and the side wall of the other end of the transmission shaft is respectively matched with the first hammering block and the second hammering block, so that the rotor of the air cylinder assembly drives the hammering chamber and the transmission shaft to rotate.

Optionally, according to the powerful wind plate hammering device of the present invention, the cylinder assembly includes a cylinder body and a rotor, the cylinder body is disposed in the accommodating cavity, the front and rear ends of the cylinder body are respectively provided with a front cover and a rear cover through cylinder pins, the two ends of the rotor are erected on the front cover and the rear cover, and the outer side wall of the rotor is provided with uniformly distributed blades;

the end face of the rear cover is also provided with an air inlet hole communicated with the accommodating cavity, and the air inlet hole is communicated with an air inlet channel in the handle part, so that the external air source drives the rotor to rotate through the blades.

Optionally, according to powerful wind is pulled and is beaten device, the protecgulum with all be equipped with the bearing groove in the back lid, the rotor extends the both ends of cylinder body are equipped with first bearing and second bearing respectively by the cover, first bearing and second bearing are located two bearing inslots respectively.

Optionally, according to the powerful air-pulling hammering device of the present invention, the adjusting component comprises a rotary controller, and the sealing cover is connected with the rear end of the hammering body through a fixing screw; the rotary controller is arranged in the sealing cover and is rotationally connected with the rear cover, the rotary controller is provided with an adjusting hole matched with the air inlet hole and a knob penetrating out of the outer side of the sealing cover, and the knob can drive the rotary controller to rotate so as to adjust the overlapping area of the adjusting hole and the air inlet hole, so that the air volume entering the air cylinder assembly is adjusted.

Optionally, according to powerful wind pull and beat device, still be equipped with the constant head tank on the lateral wall of accuse ware soon, be equipped with the pressure spring in the constant head tank, the tip of pressure spring is equipped with the steel column, be equipped with on the inside wall of closing cap a plurality of with steel column matched with locating hole, so that the turned angle of accuse ware soon is invariable.

Optionally, according to the powerful air lever hammering device of the present invention, the handle portion includes a handle, a spring, a tilt valve and an air inlet joint, the handle is connected to the hammering body, and the air inlet channel is disposed inside the handle;

the air inlet joint is arranged at the lower end of the air inlet channel, the inclined valve is arranged at the upper end of the air inlet channel, and the inclined valve can close the upper end of the air inlet channel;

the spring sets up tilt valve with between the inlet connection, be equipped with the slope valve pin on the tilt valve, the slope valve pin with trigger subassembly offsets, just trigger subassembly is through promoting the slope valve pin, so that the tilt valve is opened inlet channel.

Optionally, according to powerful wind is pulled and is beaten device, trigger subassembly includes trigger piece and switching round pin, the trigger piece sets up the handle towards beat one side of room, the switching round pin sets up one side and orientation of trigger piece the inside extension of handle, just the tip of switching round pin with the slope valve pin contacts, the switching round pin can make the slope valve pin is opened inlet channel, so that inlet channel with hold the chamber intercommunication.

Optionally, according to the strong wind pulling hammering device of the present invention, the outer surface of the handle is provided with hexagonal anti-slip protrusions.

Optionally, according to powerful wind is pulled and is beaten device, the rear side surface of transmission shaft is provided with first lug and second lug along the axial, first lug with the relative dislocation set of second lug, first lug with first the cooperation of beating the piece, the second lug with the cooperation of beating the piece is beaten to the second.

Optionally, according to powerful wind board beat device, the transmission shaft with still be equipped with the oiliness axle sleeve between the preceding protecting cover, just still be equipped with the oiling valve on the preceding protecting cover to reduce through the additive lubricating oil friction between transmission shaft and the preceding protecting cover.

The utility model has the advantages that:

this technical scheme torsion is more powerful, adopts two design of beating the piece, and not only effectual improvement torsion, sturdy and durable moreover, the performance is more stable to the noise is little, has improved work efficiency. Additionally, the utility model discloses an inlet port that adjusting hole on the spin controller was covered with the back of cylinder subassembly mutually supports, in order to adjust the adjusting hole with the coincidence area of inlet port, thereby the regulation gets into the amount of wind size of cylinder subassembly.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is an exploded view of the powerful pneumatic plate hammering device disclosed in the present invention.

Description of reference numerals: 1-beating the body; 2-a first sealing ring; 3-opening and closing the pin; 4-a first resilient pin; 5-E type retaining ring; 6-a second bearing; 7-rear cover; 8-cylinder body; 9-cylinder pin; 10-a rotor; 11-a blade; 12-a front cover; 13-a first bearing; 14-beating chamber; 15-first beating block; 16-a fixed pin; 17-a drive shaft; 18-a second sealing ring; 19-anti-drop ring; 20-oil bearing shaft sleeve; 21-front gasket; 22-front cover; 23-a filling valve; 24-rear gasket; 25-a third seal ring; 26-a rotary controller; 27-a pressure spring; 28-steel column; 29-a fourth seal ring; 30-a closure cap; 31-a set screw; 32-a silencing cover; 33-a first gasket; 34-a second resilient pin; 35-retainer ring for hole; 36-a second shim; 37-framework oil seal; 38-a tilt valve; 39-a spring; 40-a fifth sealing ring; 41-an air inlet joint; 42-trigger block; 43-tilt the valve pin.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1, the present invention provides a strong wind-driven plate hammering device, comprising:

the handle body comprises a hammering body 1 and a handle part, the handle part is used for holding, and the hand holding part is connected with the handle body through a first elastic pin 4 and a second elastic pin 34 in a buckling manner; a containing cavity is arranged in the hammering body 1, and the front end and the rear end of the containing cavity are respectively connected with a sealing cover 30 through a front protecting cover 22; the handle portion is provided with an air inlet channel, the air inlet channel is connected with an external air source, and the air inlet channel is communicated with the accommodating cavity. When setting up, be equipped with preceding driving fit pad 21 and back driving fit pad 24 between the tip of preceding protecting cover 22 and closing cap 30 and the body of beating 1 respectively for closely laminating between the terminal surface of the body of beating 1, guaranteed the leakproofness that holds the chamber, prevent that the air current from leaking.

And the trigger assembly is arranged on the handle body and is used for controlling the connection or disconnection of the air inlet channel and the accommodating cavity.

And the adjusting component is arranged at one end of the handle body and is used for adjusting the air quantity flowing to the accommodating cavity of the air inlet passage.

And the air cylinder assembly is arranged in the accommodating cavity, and an external air source drives the rotor 10 of the air cylinder assembly to rotate.

And a hammering assembly comprising a hammering chamber 14, a first hammering block 15 and a second hammering block; the first beating block 15 and the second beating block are both arranged in the beating chamber 14 through a fixing pin 16; one end of the hammering chamber 14 is connected with the rotor 10, and the other end is provided with a transmission shaft 17; one end of the transmission shaft 17 penetrates out of the front protecting cover 22, and the side wall of the other end is respectively matched with the first beating block 15 and the second beating block, so that the rotor 10 of the cylinder assembly drives the beating chamber 14 and the transmission shaft 17 to rotate.

When the pneumatic hammer is implemented, an air source enters the accommodating cavity through an air inlet channel in the handle part, then the rotor 10 inside the air cylinder assembly is driven to rotate, the rotor 10 drives the hammering chamber 14 to rotate in the rotating process, the hammering chamber 14 drives the first hammering block 15 and the second hammering block to beat the transmission shaft 17 in the rotating process, so that the rotating force is transmitted to the transmission shaft 17, and the hammering wings on the side surface of the transmission shaft 17 are repeatedly impacted through periodic swinging, the large torque output of the transmission shaft can be realized, a sleeve tool for disassembling and assembling screws or nuts is connected with the transmission shaft 17, and the disassembling and assembling of heavy mechanical bolts can be realized.

Further, the cylinder assembly comprises a cylinder body 8 and a rotor 10, the cylinder body 8 is arranged in the accommodating cavity, the front end and the rear end of the cylinder body are respectively provided with a front cover 12 and a rear cover 7 through cylinder pins 9, the two ends of the rotor 10 are erected on the front cover 12 and the rear cover 7, and the outer side wall of the rotor 10 is provided with uniformly distributed blades 11; the end face of the rear cover 7 is also provided with an air inlet hole communicated with the accommodating cavity, and the air inlet hole is communicated with an air inlet channel in the handle part, so that an external air source drives the rotor 10 to rotate through the blades 11. When setting up, be equipped with many recesses on the lateral wall of protecgulum 12 and hou gai 7, beat and be equipped with many outstanding bar-shaped pieces on the inside wall of body 1, the bar-shaped piece cooperatees with the recess, can restrict the rotation of cylinder body 8, avoids the ineffective loss of air supply power.

Still further, all be equipped with the bearing groove in protecgulum 12 and the back lid 7, the both ends that rotor 10 extends cylinder body 8 are equipped with first bearing 13 and second bearing 6 respectively by the cover, and first bearing 13 and second bearing 6 are located two bearing grooves respectively to reduce the frictional force between rotor 10 and protecgulum 12 and the back lid 7, promote the conversion rate that wind energy converted into the mechanical energy of rotor 10.

Still further, the adjusting assembly comprises a rotary controller 26, and a closing cover 30 is connected with the rear end of the hammering body 1 through a fixing screw 31; the rotary controller 26 is arranged in the sealing cover 30 and is rotationally connected with the rear cover 7, an adjusting hole matched with the air inlet hole is formed in the rotary controller 26, and a knob penetrates out of the outer side of the sealing cover 30, and the knob can drive the rotary controller 26 to rotate so as to adjust the overlapping area of the adjusting hole and the air inlet hole and adjust the air volume entering the air cylinder assembly. When the hammer is arranged, a fourth sealing ring 29 is arranged between the knob and the sealing cover 30, and a third sealing ring 25 is arranged between the knob and the rear cover 7, so that the air tightness between the adjusting assembly and the hammer body 1 is ensured; the knob is connected with the rotary controller 26 through an E-shaped retaining ring 5, so that the knob drives the rotary controller 26 to follow.

Still further, the side wall of the rotary controller 26 is provided with a positioning groove, a pressure spring 27 is arranged in the positioning groove, the end portion of the pressure spring 27 is provided with a steel column 28, and the inner side wall of the sealing cover 30 is provided with a plurality of positioning holes matched with the steel column 28, so that the rotation angle of the rotary controller 26 is constant. By rotating the rotary controller 26, the steel column 28 is positioned in different positioning holes under the action of the pressure spring 27, so that the aim of adjusting the unit of air volume is fulfilled. The gear indication corresponding to the positioning hole is arranged on the outer side wall of the sealing cover 30, and the position of the rotary controller 26 is automatically clamped through the steel column 28, so that unstable power and accidental injury caused by accidental touch can be prevented, and the device is safer and more reliable compared with a stepless adjusting device; and the adjustment hand feeling is clear and accurate, and the feedback feeling is excellent.

Further, the handle part comprises a handle, a spring 39, a tilting valve 38 and an air inlet joint 41, the handle is connected with the hammering body 1, and an air inlet channel is arranged inside the handle;

the air inlet joint 41 is arranged at the lower end of the air inlet channel, and the outer side wall of the air inlet joint is also sleeved with a fifth sealing ring 40 to prevent air flow from leaking; the tilt valve 38 is provided at the upper end of the intake passage, and a skeleton oil seal 37 is provided between the tilt valve 38 and the end surface of the intake passage so that the tilt valve 38 can close the upper end of the intake passage;

the spring 39 is arranged between the tilt valve 38 and the air inlet joint 41, the tilt valve 38 is provided with a tilt valve pin 43, the tilt valve pin 43 is abutted against the trigger assembly, and the trigger assembly pushes the tilt valve pin 43 to enable the tilt valve 38 to open the air inlet channel. When the air-tightness-type air-tightness handle is arranged, the bottom of the handle is provided with a silencing cover 32, a second gasket 36 is further arranged between the silencing cover 32 and an air inlet joint 41 so as to reduce noise generated when air flows in and ensure air tightness, the air inlet joint 41 is arranged at the inlet of an air inlet channel, and the upper end of the air inlet joint seals the inlet of the air inlet channel through a hole retainer ring 35, a first gasket 33 and a framework oil seal 37.

Still further, the trigger assembly includes a trigger block 42 and an opening and closing pin 3, the trigger block 42 is disposed at a side of the handle facing the hammering chamber 14, the opening and closing pin 3 is disposed at a side of the trigger block 42 and extends toward an inside of the handle, and an end of the opening and closing pin 3 contacts with the inclined valve pin 43, the opening and closing pin 3 can urge the inclined valve pin 43 to open the air intake passage so that the air intake passage communicates with the accommodation chamber. In practice, since the inclined valve pin 43 is in inclined contact with the opening-closing pin 3 and there is an inclined angle between the corresponding air inlet channel and the opening-closing pin 3, when the opening-closing pin 3 moves inward, the inclined valve pin 43 will be pressed inward, so that an opening is formed between one end of the inclined valve 38 and the top of the air inlet channel, and the air flow will flow along the opening to the accommodating cavity and push the rotor 10 inside the accommodating cavity through the air inlet hole on the rear cover 7. After the trigger block 42 is released, the components such as the tilt valve 38 and the like are reset under the action of the spring 39, the air inlet channel is closed, air flow cannot enter, and the transmission shaft 17 stops moving immediately. In addition, during installation, the first sealing ring 2 is sleeved on the opening and closing pin 3 to improve the air tightness between the opening and closing pin 3 and the handle.

Still further, hexagonal non-slip protrusions are arranged on the outer side surface of the grip. The friction coefficient between the palm and the grip is increased by the anti-slip protrusions, so that an operator can stably hold the grip and beat the body 1.

Furthermore, the front end of the transmission shaft 17 penetrates through the front protecting cover 22, the rear end of the transmission shaft 17 penetrates into the hammering chamber 14, two convex blocks are arranged on the rear side wall of the transmission shaft 17, namely a first convex block and a second convex block, wherein the first convex block is arranged above the transmission shaft 17, the second convex block is arranged below the transmission shaft 17, the first convex block and the second convex block are arranged in a staggered manner, the first convex block is matched with the first hammering block 15, and the second convex block is matched with the second hammering block; the two beating blocks periodically swing to repeatedly impact beating wings on the side surface of the transmission shaft 17 while rotating around the central shaft, so that the large torque output of the rotating shaft is realized.

Further, an oil-containing shaft sleeve 20 is arranged between the transmission shaft 17 and the front protecting cover 22, and an oil filling valve 23 is arranged on the front protecting cover 22, so that friction between the transmission shaft 17 and the front protecting cover 22 is reduced by adding lubricating oil. The outer side wall of the transmission shaft 17 is further provided with a second sealing ring 18, and a drop-proof ring 19 is further arranged between the end part of the second sealing ring and the front protecting cover 22 so as to limit the transmission shaft 17 in the front protecting cover 22.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A powerful air-powered hammering device, comprising:

2. The powerful wind plate hammering device according to claim 1, wherein the cylinder assembly comprises a cylinder body and a rotor, the cylinder body is arranged in the accommodating cavity, the front end and the rear end of the cylinder body are respectively provided with a front cover and a rear cover through cylinder pins, the two ends of the rotor are erected on the front cover and the rear cover, and the outer side wall of the rotor is provided with uniformly distributed blades;

3. A strong air-pulling hammering device according to claim 2, wherein the front cover and the rear cover are provided with bearing grooves therein, and the two ends of the rotor extending out of the cylinder are respectively sleeved with a first bearing and a second bearing, and the first bearing and the second bearing are respectively located in the two bearing grooves.

4. The powerful air lever hammering device according to claim 2, wherein the adjusting assembly comprises a rotary controller, and the closing cover is connected with the rear end of the hammering body through a fixing screw; the rotary controller is arranged in the sealing cover and is rotationally connected with the rear cover, the rotary controller is provided with an adjusting hole matched with the air inlet hole and a knob penetrating out of the outer side of the sealing cover, and the knob can drive the rotary controller to rotate so as to adjust the overlapping area of the adjusting hole and the air inlet hole, so that the air volume entering the air cylinder assembly is adjusted.

5. The powerful wind-plate hammering device according to claim 4, wherein a positioning groove is further formed in a side wall of the rotary controller, a pressure spring is disposed in the positioning groove, a steel column is disposed at an end portion of the pressure spring, and a plurality of positioning holes matched with the steel column are formed in an inner side wall of the sealing cover, so that a rotation angle of the rotary controller is constant.

6. The power wind wrench hammering device according to any one of claims 1-5, wherein the handle portion comprises a grip, a spring, a tilt valve, and an air intake joint, the grip is connected with the hammering body, and the air intake channel is disposed inside the grip;

7. The power wrench hammering device according to claim 6, wherein the trigger assembly includes a trigger block and an opening and closing pin, the trigger block is disposed on a side of the handle facing the hammering chamber, the opening and closing pin is disposed on a side of the trigger block and extends toward an inside of the handle, and an end of the opening and closing pin is in contact with the inclined valve pin, the opening and closing pin is capable of urging the inclined valve pin to open the air inlet passage so that the air inlet passage is communicated with the receiving cavity.

8. The strong air pulling hammering device according to claim 6, wherein hexagonal anti-slip protrusions are provided on the outer side surface of the grip.

9. The powerful wind-plate hammering device according to any one of claims 1 to 5, wherein a rear side surface of the transmission shaft is provided with a first projection and a second projection in an axial direction, the first projection and the second projection are arranged in a relative offset manner, the first projection is engaged with the first hammering block, and the second projection is engaged with the second hammering block.

10. The strong wind plate hammering device according to claim 9, wherein an oil containing bushing is further provided between said transmission shaft and said front protecting cover, and an oil filling valve is further provided on said front protecting cover to reduce friction between said transmission shaft and said front protecting cover by adding lubricating oil.