CN202825735U

CN202825735U - Fuel gas nailing gun

Info

Publication number: CN202825735U
Application number: CN201220440155.3U
Authority: CN
Inventors: 朱益民
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-31
Filing date: 2012-08-31
Publication date: 2013-03-27
Anticipated expiration: 2022-08-31

Abstract

The utility model discloses a fuel gas nailing gun which comprises a cylinder body and a cylinder sleeve combination. A cylinder head with a motor mounting cavity is arranged on the upper portion of the cylinder sleeve combination. A motor is arranged inside the motor mounting cavity (2), and the upper portion and the lower portion of the motor inside the motor mounting cavity are both provided with motor cushioning pads. Each cushion pad is of a hollow cylinder shape, the upper end face and the lower end face of the cushion pad are both of a corrugated shape, and corrugations on the upper end face and the lower end face of the cushion pad are arranged in a staggered corresponding mode. By adopting the technical scheme, the fuel gas nailing gun has the advantages of being ingenious in design and obvious in cushioning vibration-suppressed effect. Meanwhile, the fuel gas nailing gun can not only decrease impact force to the motor, but also prolong the service life of the motor, and in addition, the mode of an added splined hole of a motor lining can not only guarantee that the motor moves along the axial direction smoothly, but also prevent the motor from deflecting in the radial direction. Simultaneously, a gap between a pinhole in the bottom of the position, where the motor is installed, of the cylinder head and a motor shaft is decreased, quantity of heat which enters the motor mounting cavity from high-temperature gas is reduced, and the fact that the motor works under a high temperature is avoided.

Description

A kind of combustion gas ailing machine

Technical field

The utility model relates to a kind of instrument of at combustion chambers burn driven plunger striker securing member being squeezed into working face by liquefied gas by the electric shock discharge.

Background technology

At present, the cylinder sleeve combination that gas staple gun on the market comprises cylinder head with motor, be connected with cylinder block with cylinder head, be arranged on piston striker combination in the cylinder block and the fan in the cylinder sleeve combination etc., gas staple gun is in the process of using, fuel gas can produce very large impulsive force in the blast of cylinder sleeve combination internal combustion, this impulsive force not only passes to piston rod by piston, but also pass to motor by the fan that is connected on the motor shaft, make motor be subject to axial impact, seriously reduce the service life of motor.

Disclose the patent application document that a kind of name is called " gas burning type driving tool " in CN101155668A, it is included in and is formed with motor on the top wall of combustion chamber of gas burning type driving tool and uses the resettlement section.The axle of motor runs through the bottom of resettlement section, is combined on the rotary fan relative with the combustion chamber.The mist that obtains mixing with rotary fan in the combustion chamber is lighted a fire and is made its burning.The pressure of the burning gases that produce with this burning is squeezed into securing member.The top and the bottom of motor are housed in the resettlement section by the buffer body with flexible short tubular respectively.Certain intervals spaced apart in the circumferential direction on each buffer body and be formed with along the vertical direction long a plurality of slotted eyes.Do like this, although can reach the effect of motor being carried out bumper and absorbing shock, this buffer body not only restoring force is less, and is subject to the frictional force of motor resettlement section inwall when replying, and slowly situation can occur replying; And, when service time is long, the problem that also can cause buffer body not reply.Simultaneously, because rifle is followed closely the temperature of resettlement section in use up to more than 100 ℃, reach 40000 when above at nailing, the hemispheric jut on the buffer body can drop in the slotted eye of buffer body, the one, causing can't resilience, the 2nd, cause the height of buffer body to shorten, reduced damping effect, and, do not fit tightly between buffer body and the motor, form the gap, motor is jumped, reduced the service life of motor.

The utility model content

The purpose of this utility model just provide a kind of can effectively relax since blast institute's impulsive force that produces to the shock and vibration of motor, the combustion gas ailing machine in raising motor service life.

The purpose of this utility model is to realize by such technical scheme, a kind of combustion gas ailing machine, comprise cylinder block, cylinder sleeve combination, make up the cylinder head that top is provided with the translator installation cavity at cylinder sleeve, in the motor installation cavity, be provided with motor, in the motor installation cavity, and the upper and lower that is positioned at motor is provided with the motor cushion pad, and described cushion pad is hollow circular cylinder, the upper surface of this cushion pad and lower surface all are corrugated, described upper surface and the staggered corresponding setting of the ripple of lower surface.

In order to prevent the motor radial beat, between motor installation cavity inwall and motor outer wall, be provided with the motor lining, an inwall at the motor lining is provided with the vertically equal a plurality of parallel convex tendon of thickness, is interference fit between the outer wall of described convex tendon and motor.

Be provided with splined hole at motor installation cavity inwall, be provided with groove at splined hole, described convex tendon is staggered corresponding with groove.

Wherein, in the utility model, described groove is 8-10.

In order to prevent that rotating from use appearring in motor, have opening at described motor lining, in splined hole corresponding to this opening, be provided with the anti-rotation filler rod, be provided with rectangular through slot at the outer wall of motor, the front portion of described anti-rotation filler rod is positioned at rectangular through slot.

In order to discharge the air in the cylinder block, be provided with steam vent in the bottom of described cylinder block.

Owing to adopted technique scheme, the utlity model has ingenious, the significant advantage of buffering and damping effect of design, simultaneously, it not only can reduce the suffered impulsive force of motor, prolong the service life of motor, and, the form that adopts the motor lining to add splined hole can guarantee vertically smooth and easy movement of motor, can prevent the motor radial beat again, simultaneously, can also reduce the aperture of bottom, cylinder head dress motor place and the gap between the motor shaft, reduce high-temperature gas and enter the interior heat of motor installation cavity, avoid motor under higher temperature, to work.

Description of drawings

Description of drawings of the present utility model is as follows:

Fig. 1 is the cutaway view of combustion gas ailing machine major part of the present utility model;

Fig. 2 is cushion pad stereogram of the present utility model;

Fig. 3 is motor lining expanded view of the present utility model;

Fig. 4 is motor lining of the present utility model, anti-rotation filler rod and cylinder head assembling schematic diagram;

Fig. 5 is motor of the present utility model, motor lining, cylinder head and anti-rotation filler rod assembling sectional drawing.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail; but the utility model is not limited to these embodiments; any on the present embodiment essence spirit improvement or substitute, still belong to the utility model claim scope required for protection.

Embodiment 1: as shown in Figure 1, 2, a kind of combustion gas ailing machine, comprise cylinder block 1, cylinder sleeve makes up, is provided with on cylinder sleeve combination top the cylinder head 3 of translator installation cavity 2, is provided with motor 4 in motor installation cavity 2, in motor installation cavity 2, and the upper and lower that is positioned at motor 4 is provided with motor cushion pad 5, described cushion pad 5 is hollow circular cylinder, and the upper surface of this cushion pad 5 and lower surface all are corrugated, described upper surface and the staggered corresponding setting of the ripple of lower surface.

When motor was subject to impulsive force, cushion pad had cushioned, has slackened air mixture because of the enormous impact power of combustion explosion to the motor generation, has prolonged the service life of motor.

In the utility model, through test, the cushion pad of this spline structure still has screen resilience and damping effect after hitting 150,000 times continuously.

Shown in Fig. 3,4, between motor installation cavity 2 inwalls and motor 4 outer walls, be provided with motor lining 6, an inwall at motor lining 6 is provided with the vertically equal a plurality of parallel convex tendon 7 of thickness, is interference fit between the outer wall of described convex tendon 7 and motor 4; Be provided with splined hole 8 at motor installation cavity 2 inwalls, be provided with groove 14 at splined hole, described convex tendon 7 is staggered corresponding with groove 14; Described groove 14 is 8-10.

When assembling, because convex tendon 7 is interference fit with motor 4, motor lining 6 can appropriateness be out of shape in motor installation cavity 2, improve assembly quality, such structure can guarantee vertically smooth and easy movement of motor 4, simultaneously, can prevent again motor 4 radial beats behind the motor lining 6 extruding motors 4, and, do like this gap between the turning cylinder of the aperture that also can reduce motor installation cavity 2 bottoms and motor 4, the heat that reduces in the combustion chamber on the cylinder block 1 enters in the motor installation cavity 2, has avoided motor 4 to work under higher temperature, has prolonged service life.

In the utility model, the number of splined hole 8 is 10, certainly, the number of splined hole 8 can be set voluntarily according to actual conditions.After the number of splined hole 8 is determined, the convex tendon 7 number relative set on the motor lining 6.

Shown in Fig. 4,5, have opening 9 at described motor lining 6, in the splined hole 8 of these opening 9 correspondences, be provided with anti-rotation filler rod 10, be provided with rectangular through slot 11 at the outer wall of motor 4, the front portion of described anti-rotation filler rod 10 is positioned at rectangular through slot 11.Do like this, prevented that effectively motor from use rotating, and the electric wire generation winding that causes being connected with motor makes its damage.

As shown in Figure 1, be provided with steam vent 12 in the bottom of described cylinder block 1.Do like this air that can discharge fast between piston striker combination and cylinder body, reduce the piston striker combination to the resistance of rifle head direction motion.

Claims

1. combustion gas ailing machine, comprise cylinder block (1), cylinder sleeve combination (13), be provided with the cylinder head (3) of translator installation cavity (2) on cylinder sleeve combination (13) top, in motor installation cavity (2), be provided with motor (4), in motor installation cavity (2), and the upper and lower that is positioned at motor (4) is provided with motor cushion pad (5), described cushion pad (5) is hollow circular cylinder, it is characterized in that: upper surface and the lower surface of this cushion pad (5) all are corrugated, described upper surface and the staggered corresponding setting of the ripple of lower surface.

2. combustion gas ailing machine as claimed in claim 1, it is characterized in that: between motor installation cavity (2) inwall and motor (4) outer wall, be provided with motor lining (6), an inwall at motor lining (6) is provided with the vertically equal a plurality of parallel convex tendon (7) of thickness, is interference fit between the outer wall of described convex tendon (7) and motor (4).

3. combustion gas ailing machine as claimed in claim 2 is characterized in that: be provided with splined hole (8) at motor installation cavity (2) inwall, be provided with groove (14) at splined hole (8), described convex tendon (7) is staggered corresponding with groove (14).

4. combustion gas ailing machine as claimed in claim 3 is characterized in that: described groove (14) is 8-10.

5. combustion gas ailing machine as claimed in claim 4, it is characterized in that: have opening (9) at described motor lining (6), in splined hole (8) corresponding to this opening (9), be provided with anti-rotation filler rod (10), outer wall at motor (4) is provided with rectangular through slot (11), and the front portion of described anti-rotation filler rod (10) is positioned at rectangular through slot (11).

6. such as claim 1,2,3,4 or 5 described combustion gas ailing machines, it is characterized in that: be provided with steam vent (12) in the bottom of described cylinder block (1).