CN219074392U

CN219074392U - Automatic air-break type locating pin pneumatic trigger capable of achieving fixed torsion

Info

Publication number: CN219074392U
Application number: CN202320078766.6U
Authority: CN
Inventors: 张宇宙; 秦星航; 韩大尧
Original assignee: Qingdao Qianshao Pneumatic Tool Manufacturing Technology Co ltd
Current assignee: Qingdao Qianshao Pneumatic Tool Manufacturing Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-26
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses an automatic gas-cutting off type locating pin gas trigger capable of fixing torsion, which comprises a gas trigger handle, a gas trigger body and a gas trigger working head, wherein the gas trigger body is assembled at the upper end of the gas trigger handle, and the gas trigger working head is assembled at the end part of the gas trigger body; an engine assembly is assembled in the gas panel machine body, a speed reducer assembly is assembled at the driving end of the engine assembly, and a clutch assembly is assembled at the driving end of the speed reducer assembly; a main shaft is assembled in the working head of the gas plate machine and is connected with the driving end of the clutch assembly; the inner part of the working head of the gas plate machine is positioned at the end part of the main shaft and is provided with a fixed seat, and the outer part of the fixed seat is provided with a jacket; the automatic air-break type locating pin air trigger capable of fixing torsion can realize air-break of fixing torsion, and the handle body adopts an ergonomic design, and has the advantages of heat insulation, shock absorption, comfortable holding and the like.

Description

Automatic air-break type locating pin pneumatic trigger capable of achieving fixed torsion

Technical Field

The utility model relates to the technical field of pneumatic tools, in particular to an automatic air-break type positioning pin pneumatic trigger capable of fixing torsion.

Background

The air screw knife is widely applied to industries such as automobiles, trains, airplanes, household appliances and the like as a screw tightening tool. The most used in actual production is a direct drive type and a slipping clutch type, and the two air screw knives have the main limitation that torque cannot be accurately controlled and are mainly determined by the time for an operator to loosen a trigger and the time for the clutch to slip;

however, the air screw knives of the prior art have disadvantages such as noise, vibration and reaction torque generated during operation, which are harmful to the health of operators, and thus improvements are required.

Disclosure of Invention

The utility model aims to provide an automatic air-break type positioning pin air trigger capable of fixing torsion, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic gas-cutting type locating pin gas trigger capable of achieving fixed torsion comprises a gas trigger handle, a gas trigger body and a gas trigger working head, wherein the gas trigger body is assembled at the upper end of the gas trigger handle, and the gas trigger working head is assembled at the end part of the gas trigger body;

an engine assembly is assembled in the gas panel machine body, a speed reducer assembly is assembled at the driving end of the engine assembly, and a clutch assembly is assembled at the driving end of the speed reducer assembly;

a main shaft is assembled in the working head of the gas plate machine and is connected with the driving end of the clutch assembly;

the inner part of the working head of the gas panel machine is positioned at the end part of the main shaft and is provided with a fixed seat, and the outer part of the fixed seat is provided with a jacket;

the side wall of fixing base is equipped with the kingpin, be located the tip of kingpin in the fixing base and be equipped with empty circlip, the outside cover of kingpin is equipped with the transmission cover, the side wall of empty circlip is equipped with the retaining ring.

Preferably, a silencing felt is sleeved between the engine assembly and the speed reducer assembly, a cross groove pan head screw is arranged in the air plate machine body, and a turning button is arranged at the upper end of the cross groove pan head screw.

Preferably, the engine assembly comprises a cylinder mounted inside the handle body, the inside of the cylinder is provided with blades, the driving end of the cylinder is provided with a rotor, and the rotor is connected with the blades.

Preferably, one end of the outside of the cylinder is equipped with a rear cover, and the other end of the outside of the cylinder is equipped with a front cover.

Preferably, a handle assembly is assembled in the handle of the gas panel machine, the handle assembly comprises an air inlet valve sleeve assembled in the handle of the gas panel machine, an air inlet valve rod is assembled in the air inlet valve sleeve, and a button valve rod is assembled at the end part of the air inlet valve rod.

Preferably, an air nozzle is assembled at the lower end of the air inlet valve rod in the air inlet valve sleeve, an air nozzle bolt is assembled in the air nozzle, and a button is assembled at the end part of the button valve rod.

Preferably, the screw hole is formed in the outer wall of the joint of the gas plate machine working head and the gas plate machine body, the bolt main body is screwed in the screw hole, a circular groove is formed in the lower end of the bolt main body, and a bolt rod is installed in the middle section of the lower end of the circular groove.

Preferably, the fixed ring is installed to the outside upper end of bolt pole, the circumference surface cover of bolt pole is equipped with annular preforming, screw rod spring and annular rubber piece, the lower extreme edge of annular preforming installs the extrusion piece.

Compared with the prior art, the utility model has the beneficial effects that: the automatic air-break type locating pin air trigger capable of achieving fixed torsion is simple in structure and convenient to operate, is composed of a handle body assembly, an engine assembly, a speed reducer assembly, a clutch assembly, a working head assembly and the like, can achieve fixed torsion air-break, is designed in an ergonomic mode, has the advantages of being heat-insulating, shock-absorbing, comfortable to hold and the like, is high in locating speed and fixed torsion precision, is capable of automatically breaking air, is stable and reliable in quality, is provided with a reversing switch, is used for switching an air channel to achieve positive and negative rotation, and can achieve loading and unloading of a serial-core clamp locating pin.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the handle of the trigger of the present utility model;

FIG. 3 is a schematic illustration of an engine assembly of the present utility model;

fig. 4 is a schematic view of a bolt body according to the present utility model.

In the figure: 1 connecting sleeve, 2 main shaft, 3 bolt main body, 4 overcoat, 5 fixing base, 6 kingpin, 7 empty circlip, 8 retaining ring, 10 gas trigger work head, 11 driving sleeve, 12 screw, 14 gas trigger handle, 15 gas trigger fuselage body, 16 cross groove pan head screw, 17 switching-over knob, 18 engine assembly, 19 amortization felt, 20 reduction gear assembly, 21 clutch assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the automatic gas-cutting type locating pin pneumatic trigger capable of achieving fixed torsion comprises a pneumatic trigger handle 14, a pneumatic trigger body 15 and a pneumatic trigger working head 10, wherein the pneumatic trigger body 15 is assembled at the upper end of the pneumatic trigger handle 14, the pneumatic trigger working head 10 is assembled at the end part of the pneumatic trigger body 15, and the pneumatic trigger consists of a working head assembly, a handle assembly, a torsion control assembly, an engine assembly and a speed reducer assembly, wherein the working head assembly is used for installing a serial clip locating pin;

an engine assembly 18 is assembled in the gas panel machine body 15, a speed reducer assembly 20 is assembled at the driving end of the engine assembly 18, a clutch assembly 21 is assembled at the driving end of the speed reducer assembly 20, and the torsion control assembly can enable the output torque to be adjusted between 0.6 and 4.0Nm at will;

the inside of the gas plate machine working head 10 is provided with a main shaft 2, the main shaft 2 is connected with the driving end of a clutch assembly 21, and a reversing switch is arranged on a handle assembly and used for switching a gas path to obtain positive and negative rotation, so that the assembly and the disassembly of a positioning pin of a tandem clamp can be realized;

the inside of the gas panel machine working head 10 is provided with a fixed seat 5 at the end part of the main shaft 2, the outside of the fixed seat 5 is provided with a jacket 4, and the correct apposition of the gas path pore canal on the bidirectional engine and the gun type handle is mainly ensured by means of keys. The gun-type handle is provided with an air connector, a muffler, a button switch, a reversing switch and a reversing valve;

the lateral wall of fixing base 5 is equipped with kingpin 6, and the tip that lies in kingpin 6 in the fixing base 5 is equipped with empty circlip 7, and the outside cover of kingpin 6 is equipped with driving sleeve 11, and the lateral wall of empty circlip 7 is equipped with retaining ring 8, and the clutch housing is left threaded connection with the internal tooth cover.

A silencing felt 19 is sleeved between the engine assembly 18 and the speed reducer assembly 20, a cross groove pan head screw 16 is assembled in the air plate machine body 15, a turning button 17 is assembled at the upper end of the cross groove pan head screw 16, and an inner tooth sleeve (left thread) is required to be screwed down during assembly, so that the engine assembly can be tightly pressed on the rear end face of a gun type handle through a spacer bush of the speed reducer, a disc-shaped gasket, a bearing cover, a front cover, a rear cover, an air cylinder and outer rings of front and rear rolling bearings in the bidirectional pneumatic engine assembly. The two end surfaces of the rotor of the engine and the end surfaces of the front cover and the rear cover ensure a specified clearance, the rotor is flexible to rotate, and the power of the engine is not reduced due to overlarge loose clearance.

The engine assembly 18 includes a cylinder 181 mounted inside the handle body, a vane 182 is mounted inside the cylinder 181, a rotor 184 is mounted at a driving end of the cylinder 181, and the rotor 184 is connected to the vane 182.

The cylinder 181 is provided at one end of the outside thereof with a rear cover 180, and the other end of the outside thereof with a front cover 183.

The trigger handle 14 is fitted with a handle assembly comprising an inlet valve housing 147 fitted within the trigger handle 14, the interior of the inlet valve housing 147 being fitted with an inlet valve stem 148, the end of the inlet valve stem 148 being fitted with a push button valve stem 149.

The air inlet valve sleeve 147 is internally provided with an air nozzle 145 at the lower end of an air inlet valve rod 148, the air nozzle 145 is provided with an air inlet nozzle bolt 146, and the end part of a button valve rod 149 is provided with a button 140;

when the push button switch is pressed, the valve is opened, and compressed air is fed from the air nozzle through the valve and the reversing valve to the engine and drives the engine to rotate. The engine drives the speed reducer, and the torque transmission block on the speed reducer is meshed with the pulling claw on the clutch outer sleeve to drive the clutch to rotate. The torque on the bi-directional engine is now transferred to the working head via the speed reducer and clutch to tighten the dowel.

Screw holes 12 are formed in the outer wall of the joint of the gas plate machine working head 10 and the gas plate machine body 15, a bolt main body 3 is screwed into the screw holes 12, a circular groove 33 is formed in the lower end of the bolt main body 3, and a bolt rod 31 is installed in the middle of the lower end of the circular groove 33.

The outer upper end of the bolt rod 31 is provided with a fixed ring 36, the circumferential surface of the bolt rod 31 is sleeved with an annular pressing sheet 34, a screw spring 37 and an annular rubber sheet 32, and the edge of the lower end of the annular pressing sheet 34 is provided with a pressing sheet 35.

Working process and principle: in the use process, the output torque is set according to the assembly requirement, the protective cover is rotated to find the adjusting hole, the randomly attached adjusting spanner is inserted into the adjusting hole, the clockwise rotation can reduce the torsion, and otherwise, the torque is increased. And inserting the tail part of the core-connecting clamp into the main shaft hole, so that the hexagonal shaft of the core-connecting clamp is matched with the inner hexagonal of the connecting sleeve. The jacket is rotated to clamp the core string clamp. The mandrel clip head is then inserted into the hole. The reversing switch is placed at the forward position, and the trigger is pulled to lock the core-connecting clip in the prepared hole. The sleeve is rotated, the core-connecting clip is loosened, and the trigger can be moved to enable the core-connecting clip to be placed at the clamping position to realize positioning. If the core-connecting clip is disassembled, the reversing switch is placed at the reverse position, the core-connecting clip can be disassembled from the clamping part by pulling the trigger, and then the sleeve is rotated to take out the core-connecting clip from the pneumatic trigger.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an automatic off-gas locating pin gas trigger that can fix turns round, includes gas trigger handle (14), gas trigger fuselage (15) and gas trigger work head (10), its characterized in that: the upper end of the gas panel machine handle (14) is provided with a gas panel machine body (15), and the end part of the gas panel machine body (15) is provided with a gas panel machine working head (10);

an engine assembly (18) is arranged inside the gas panel machine body (15), a speed reducer assembly (20) is arranged at the driving end of the engine assembly (18), and a clutch assembly (21) is arranged at the driving end of the speed reducer assembly (20);

the inside of the gas plate machine working head (10) is provided with a main shaft (2), and the main shaft (2) is connected with the driving end of the clutch assembly (21);

the inner part of the gas panel machine working head (10) is positioned at the end part of the main shaft (2) and is provided with a fixed seat (5), and the outer part of the fixed seat (5) is provided with a jacket (4);

the side wall of fixing base (5) is equipped with kingpin (6), be located the tip of kingpin (6) in fixing base (5) and be equipped with idle circlip (7), the outside cover of kingpin (6) is equipped with transmission cover (11), the side wall of idle circlip (7) is equipped with retaining ring (8).

2. The automatic air break type positioning pin air trigger capable of fixing torsion according to claim 1, wherein the automatic air break type positioning pin air trigger is characterized in that: and a silencing felt (19) is sleeved between the engine assembly (18) and the speed reducer assembly (20), a cross groove pan head screw (16) is assembled in the gas panel machine body (15), and a turning button (17) is assembled at the upper end of the cross groove pan head screw (16).

3. The automatic air break type positioning pin air trigger capable of fixing torsion according to claim 1, wherein the automatic air break type positioning pin air trigger is characterized in that: the engine assembly (18) comprises a cylinder (181) arranged inside the handle body, blades (182) are arranged inside the cylinder (181), a rotor (184) is arranged at the driving end of the cylinder (181), and the rotor (184) is connected with the blades (182).

4. A torsion-resistant automatic air break locating pin air trigger according to claim 3, wherein: a rear cover (180) is arranged at one end of the outside of the air cylinder (181), and a front cover (183) is arranged at the other end of the outside of the air cylinder (181).

5. The automatic air break type positioning pin air trigger capable of fixing torsion according to claim 1, wherein the automatic air break type positioning pin air trigger is characterized in that: the gas trigger handle (14) is provided with a handle assembly, the handle assembly comprises an air inlet valve sleeve (147) assembled in the gas trigger handle (14), the air inlet valve sleeve (147) is internally provided with an air inlet valve rod (148), and the end part of the air inlet valve rod (148) is provided with a button valve rod (149).

6. The automatic air break type locating pin air trigger capable of fixing torsion according to claim 5, wherein the automatic air break type locating pin air trigger is characterized in that: the air inlet valve sleeve (147) is internally provided with an air connector (145) at the lower end of the air inlet valve rod (148), an air inlet nozzle bolt (146) is assembled in the air connector (145), and a button (140) is assembled at the end part of the button valve rod (149).

7. The automatic air break type positioning pin air trigger capable of fixing torsion according to claim 1, wherein the automatic air break type positioning pin air trigger is characterized in that: screw (12) have been seted up to the junction outer wall of gas trigger work head (10) and gas trigger fuselage (15), the spiro union has bolt main part (3) in screw (12), circular recess (33) have been seted up to the lower extreme of bolt main part (3), bolt pole (31) are installed in the lower extreme middle section of circular recess (33).

8. The automatic air break type positioning pin air trigger capable of fixing torsion according to claim 7, wherein the automatic air break type positioning pin air trigger is characterized in that: the outer upper end of the bolt rod (31) is provided with a fixed ring (36), the circumferential surface of the bolt rod (31) is sleeved with an annular pressing sheet (34), a screw spring (37) and an annular rubber sheet (32), and the edge of the lower end of the annular pressing sheet (34) is provided with a squeezing sheet (35).