CN211389226U

CN211389226U - Hand-held electric saw

Info

Publication number: CN211389226U
Application number: CN201922427834.1U
Authority: CN
Inventors: 万翠
Original assignee: Nanjing Qiyueming Automation Equipment Co ltd
Current assignee: Nanjing Qiyueming Automation Equipment Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-01
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a hand-held type electric saw, including preceding handle, back handle, casing, baffle, chain saw, motor, switch, still include protector, dust extraction. The protective device comprises a movable baffle and a protective plate, the baffle is arranged below the shell and close to the front end, and the protective plate is arranged above the guide plate; the dust collection device comprises a fan, a dust collection port, a dust collection pipe, a filter screen, a dust collection box and an exhaust pipe, wherein the dust collection port is located at one end of the baffle, the dust collection pipe is arranged above the baffle, the dust collection port is connected with the dust collection pipe, the fan is located at the end of the dust collection pipe, the filter screen is arranged in front of the fan, and the dust collection box is connected with the dust collection pipe. The electric saw and the dust suction device are started simultaneously, the generated wood chips and other sundries are sucked through the dust suction port and discharged after passing through the filter screen, and the wood chips and other sundries are blocked by the filter screen and enter the dust collection box. The problem of electric saw when using, the saw-dust that produces can exert an influence to workman's health and work to contaminated air is solved.

Description

Hand-held electric saw

Technical Field

The utility model relates to an electric saw technical field especially relates to a hand-held type electric saw.

Background

The electric chain saw is an electric tool mainly used for lumbering, pruning and wood processing, and the electric chain saw is easy to generate sawdust dust pollution when in use, influences the work of workers and influences the health of the workers, and can effectively reduce various dust pollution if the sawdust is recycled when being generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a hand-held type electric saw is provided, solve the electric saw when using, the saw-dust of production can exert an influence to workman's health and work to contaminated air's problem.

In order to solve the technical problem, the utility model discloses a hand-held type electric saw includes preceding handle, back handle, casing, baffle, chain saw, motor, switch, still includes protector, dust extraction. The protective device comprises a movable baffle and a protective plate, the baffle is arranged below the shell and close to the front end and is vertical to the shell, and the protective plate is arranged above the guide plate and is vertical to the guide plate; the dust collection device comprises a fan, a dust collection port, a dust collection pipe, a filter screen, a dust collection box and an exhaust pipe, wherein the dust collection port is located at one end of the protection plate, the dust collection pipe is arranged above the protection plate, the dust collection port is connected with the dust collection pipe, the fan is located at the end of the dust collection pipe, the filter screen is arranged in front of the fan, and the dust collection box is connected with the dust collection pipe. Set up dust extraction, electric saw and dust extraction start simultaneously, inhale debris such as saw-dust that will produce through the dust absorption mouth, discharge behind the filter screen, debris such as saw-dust are blocked by the filter screen and are got into the dust collection box.

As an improvement, the dust extraction still includes dust detection device, dust detection device is located exhaust pipe inner port department for detect whether the gas of emission accords with emission standard.

As an improvement of the utility model, dust extraction still includes level meter, discharge port and alarm device, alarm device is the LED lamp, the level meter sets up on the dust collection box, is connected with alarm device, the discharge port sets up in dust collection box one side bottom position. The amount of the sawdust dust in the dust collecting box is displayed by a level meter, and when a certain amount is reached, the discharge port is opened to pour out the sawdust.

As an improvement of the utility model, the handle is an anti-skidding insulating handle.

As an improvement of the utility model, the dust absorption pipe is provided with a replacement net mouth at the filter screen, so that the filter screen can be replaced in time.

As an improvement of the utility model, the switch includes preceding handle switch and back handle switch, and preceding handle switch sets up in the front on hand, and back handle switch sets up in the back on hand. The electric saw can be started only by pressing the front handle switch and the rear handle switch at the same time.

As an improvement of the utility model, the guard plate is an arc plate. Set up the arc backplate, cover chain saw upper half, the at utmost protects the staff, prevents that spark saw-dust etc. that the electric saw during operation produced from splashing out, causes harm.

As an improvement of the utility model, the motor outside sets up cooling jacket, cooling jacket includes annular inner circle and annular outer lane, and the annular cavity that encloses between the two constitutes the cooling water course, and the upper portion of outer lane is provided with inlet tube and outlet pipe, inner circle and outer lane between and be provided with sealedly between inlet tube and outlet pipe and the outer lane, cooling jacket's inlet tube and outlet pipe 66 lie in cooling jacket's top side by side. The motor cooling and protecting device has the functions of cooling the motor and protecting the motor.

Further, an axial mounting hole is formed in the outer ring.

Compared with the prior art, the utility model has the advantages that 1) the dust suction device is arranged, the electric saw and the dust suction device are started simultaneously, the generated impurities such as sawdust and the like are sucked through the dust suction port and discharged after passing through the filter screen, and the impurities such as the sawdust and the like are blocked by the filter screen and enter the dust collection box; 2) two switches are arranged, and the electric saw can be started only by pressing at the same time, so that the use safety of the electric saw is improved; 3) the arc-shaped guard plate is arranged to shield the upper half part of the chain saw, so that workers are protected to the maximum extent, and spark sawdust and the like generated during the operation of the electric saw are prevented from splashing to cause harm; 4) and a cooling water jacket is arranged on the outer side of the motor, so that the motor is cooled and protected.

Drawings

Fig. 1 is a right side schematic view of the hand-held electric saw of the present invention;

fig. 2 is a left side schematic view of the hand-held electric saw of the present invention;

FIG. 3 is a schematic view of the structure of the cooling water jacket of the motor of the handheld electric saw of the present invention;

in the figure: 1. a housing; 2. a front handle; 3. a rear handle; 4. a guide plate; 5. a chain saw; 6. a motor; 61. a cooling water jacket; 62. an inner ring; 43. an outer ring; 64. a cooling water channel; 65. a water inlet pipe; 66. a water outlet pipe; 67. an axial mounting hole; 71. a front handle switch; 72. a rear handle switch; 81. a baffle plate; 82. a guard plate; 91. a fan; 92. a dust suction port; 93. a dust collection pipe; 94. a filter screen; 95. changing the network port; 96. a dust collection box; 97. an exhaust pipe; 98. a dust detection device; 99. a level meter; 100. a discharge port; 11. and an alarm device.

The specific implementation mode is as follows:

for the purpose of enhancing the understanding of the present invention, the following detailed description is made with reference to the accompanying drawings.

Example 1: referring to fig. 1 and 2, the hand-held electric saw comprises a front handle 2, a rear handle 3, a machine shell 1, a guide plate 4, a chain saw 5, a motor 6, a switch, a protective device and a dust suction device. The front handle 2 is fixed at the position above the machine shell 1 close to the front, the rear handle 3 is fixed at the rear end of the machine shell 1, and the motor 6 is fixed at the left side of the machine shell 1. The guide plate 4 is fixed at a position lower than the front end of the machine shell 1, and the chain saw 5 is fixed on the guide plate 4. The protecting device comprises a movable baffle 81 and a guard plate 82, wherein the baffle 81 is arranged below the machine shell 1 close to the front end, is vertical to the machine shell 1, and is arranged above the guide plate 4 and is vertical to the guide plate 4. The dust collection device comprises a fan 91, a dust collection port 92, a dust collection pipe 93, a filter screen 94, a dust collection box 96 and an exhaust pipe 97, wherein the dust collection port 92 is arranged at the front end of the protection plate 82, the dust collection pipe 93 is connected with the dust collection port 92 and is arranged above the protection plate 82, the fan 91 is fixed at the end part of the dust collection pipe 93, the filter screen 94 is arranged in the dust collection pipe 93 and is fixed in front of the fan 91, the dust collection box 96 is connected with the dust collection pipe 93 and is arranged below the filter screen 94, and the exhaust pipe 97 is connected with the dust collection pipe 93.

The embodiment of the utility model provides an in, set up arc backplate 82, cover chain saw 5 first half, furthest protects the staff, prevents that the spark saw-dust that the electric saw during operation produced etc. from splashing out, causes harm. Set up dust extraction, the electric saw starts with dust extraction simultaneously, inhales debris such as saw-dust that will produce through dust absorption mouth 92, gets into dust absorption pipe 93 behind the filter screen, and the air through the filtering is discharged through blast pipe 95, and debris such as saw-dust are blocked by the filter screen and are got into dust collection box 96.

Further, this dust extraction still includes dust detection device 98, dust detection device 98 is located blast pipe 97 internal port department for whether the gas that detects the emission accords with emission standard.

Further, the dust collection device further comprises a level meter 99, a discharge port 100 and an alarm device 11, wherein the alarm device 11 is an LED lamp, the level meter 99 is arranged on the dust collection box 96, the level meter 99 is connected with the alarm device, and the discharge port 100 is arranged at the bottom of one side of the dust collection box 96. The amount of wood dust in the dust collecting compartment is indicated by a level meter 99, and when a certain amount is reached, the discharge opening 100 is opened and the wood chips are discharged.

Further, the front handle 2 and the rear handle 3 are anti-skid insulated handles.

Furthermore, the dust suction pipe 93 is provided with a screen replacing port 95 at the filter screen 94, so that the filter screen can be replaced conveniently and timely.

Further, the switches include a front handle switch 71 and a rear handle switch 72, the front handle switch 71 is provided on the front handle 2, and the rear handle switch 72 is provided on the rear handle 3. The front handle switch 71 and the rear handle switch 72 must be pressed simultaneously, so that the electric saw can be started, and the use safety of the electric saw is improved.

Further, the guard plate 82 is an arc-shaped plate. The upper half part of the chain saw is covered, so that workers are protected to the greatest extent, and spark, wood chips and the like generated during the operation of the electric saw are prevented from splashing to cause harm.

Further, as can be seen from fig. 3, a cooling water jacket 61 is disposed outside the motor 6, the cooling water jacket 61 includes an annular inner ring 62 and an annular outer ring 63, an annular cavity enclosed therebetween forms a cooling water channel 64, a water inlet pipe 65 and a water outlet pipe 66 are disposed on an upper portion of the outer ring 63, seals are disposed between the inner ring 62 and the outer ring 63 and between the water inlet pipe 65 and the water outlet pipe 66 and the outer ring 63, and the water inlet pipe 65 and the water outlet pipe 66 of the cooling water jacket 61 are located on top of the cooling water jacket 61 in parallel.

Further, an axial mounting hole 67 is formed in the outer ring 63.

The working process is as follows: refer to fig. 1, fig. 2, during the use, hold preceding handle switch and back handle switch simultaneously, the electric saw starts with dust extraction simultaneously, the electric saw during operation, debris such as saw-dust constantly produce, all splash to on the backplate, rotate through the fan and produce the negative pressure, get into the dust absorption pipe through the dust absorption mouth with the saw-dust, the saw-dust filters through the filter screen and gets into the dust collection box, air after the filtration discharges through the blast pipe, when reaching a quantitative, the level meter sends the warning through alarm device LED lamp, then the electric saw stop work, debris such as saw-dust are discharged through the discharge port. When the electric saw works, cooling water is introduced into the cooling water jacket, so that the motor is cooled and protected.

Claims

1. The utility model provides a hand-held type electric saw, includes preceding handle (2), back handle (3), casing (1), baffle (4), chain saw (5), motor (6), switch, its characterized in that: the hand-held electric saw also comprises a protective device and a dust suction device; the protection device comprises a movable baffle (81) and a guard plate (82), the baffle (81) is arranged below the machine shell (1) and close to the front end and is vertical to the machine shell (1), and the guard plate (82) is arranged above the guide plate (4) and is vertical to the guide plate (4); the dust collection device comprises a fan (91), a dust collection port (92), a dust collection pipe (93), a filter screen (94), a dust collection box (96) and an exhaust pipe (97), wherein the dust collection port (92) is located at one end of a protection plate (82), the dust collection pipe (93) is arranged above the protection plate (82), the dust collection port (92) is connected with the dust collection pipe (93), the fan (91) is located at the end of the dust collection pipe (93), the filter screen (94) is arranged in front of the fan (91), and the dust collection box (96) is connected with the dust collection pipe (93).

2. The hand-held power saw of claim 1, wherein: dust extraction still includes dust detection device (98), dust detection device (98) are located blast pipe (97) inside port department.

3. The hand-held power saw of claim 2, wherein: the dust collection device further comprises a level meter (99), a discharge port (100) and an alarm device (11), the alarm device (11) is an LED lamp, the level meter (99) is arranged on the dust collection box (96) and connected with the alarm device (11), and the discharge port (100) is arranged at the bottom of one side of the dust collection box (96).

4. The hand-held power saw of claim 1, wherein: the front handle (2) and the rear handle (3) are anti-skid insulated handles.

5. The hand-held power saw of claim 1, wherein: the dust suction pipe (93) is provided with a replacement net opening (95) at the filter net (94).

6. The hand-held power saw of claim 1, wherein: the switch comprises a front handle switch (71) and a rear handle switch (72), the front handle switch (71) is arranged on the front handle (2), and the rear handle switch (72) is arranged on the rear handle (3).

7. The hand-held power saw of claim 1, wherein: the guard plate (82) is an arc-shaped plate.

8. The hand-held power saw of claim 1, wherein: the cooling water jacket (61) is arranged on the outer side of the motor (6), the cooling water jacket (61) comprises an annular inner ring (62) and an annular outer ring (63), an annular cavity enclosed by the inner ring and the outer ring forms a cooling water channel (64), a water inlet pipe (65) and a water outlet pipe (66) are arranged on the upper portion of the outer ring (63), and seals are arranged between the inner ring (62) and the outer ring (63) and between the water inlet pipe (65) and the water outlet pipe (66) and between the outer ring (63).

9. The hand-held power saw of claim 8, wherein: and an axial mounting hole (67) is formed in the outer ring (63).