CN207694096U

CN207694096U - A kind of sawdust dust guard

Info

Publication number: CN207694096U
Application number: CN201721464594.7U
Authority: CN
Inventors: 杨茂秀
Original assignee: Tianjin Jinlun Hongbaolai Mahogany Furniture Co Ltd
Current assignee: Tianjin Jinlun Hongbaolai Mahogany Furniture Co Ltd
Priority date: 2017-11-06
Filing date: 2017-11-06
Publication date: 2018-08-07
Anticipated expiration: 2027-11-06

Abstract

The utility model discloses a kind of sawdust dust guards, including nose cup, the front of the nose cup is provided with rectangular opening, and rectangle frame is connected in rectangular opening, the screen equidistantly distributed is rotatably connected in the rectangle frame, the both ends of the screen are reserved with round bar, the round bar top of the screen wherein one end is welded with driven gear, the outer wall of the rectangle frame is welded with L-shaped sliding slot close to the side of driven gear, and the slot bottom sliding of L-shaped sliding slot is connected with rack, the inner wall of the rectangle frame is provided with annular groove close to middle part, and metal frame is connected in annular groove, it is connected with ash screen in the metal frame, the side of the separate rectangle frame of the nose cup is bolted there are two fixed frame, the front of the nose cup is welded with two wing of nose fixed plates close to top.The larger sawdust of volume can be blocked in the outside of rectangle frame by the utility model, avoided sawdust from hitting ash screen and destroyed, and organic glass is not only easy to disassemble, but also can be with protect eyes and face.

Description

A kind of sawdust dust guard

Technical field

The utility model is related to wood processing technique field more particularly to a kind of sawdust dust guards.

Background technology

The sawdust of dust and splashing when timber processing cutting is very big, is unfavorable for the health of operator, if It works in the environment of with dust for a long time, worker is easy to inhale tuberculosis, and existing most of machine and wood cutting beds all do not have Dust guard can not ensure the health of worker.

Through retrieval, Chinese patent grant number is the patent of CN 201871148U, discloses a kind of integrated dust mask, Including mask body, the top of the mask body is provided with the groove being adapted with nose bridge, and the top of mask body is also provided with an air inlet Hole and several ventholes are renovated and are fixed on mask body equipped with renovating on each venthole；The top corresponding positions of mask intracoelomic cavity It sets and is equipped with a frame plate, frame plate is equipped with through-hole, and snorkel, tail end mouth and the through-hole on frame plate of snorkel are inserted in air admission hole Connection, through hole also are provided with renovating, renovate and be fixed on frame plate, and mask body both sides are equipped with frenulum；It is described renovate be by pedestal and Cover board is constituted, and pedestal upper hinge has cover board, this apparatus structure is complicated and airtight performance is poor, and range of visibility is small.

Utility model content

Purpose of the utility model is to solve complicated in the prior art and airtight performance is poor, range of visibility is small Problem, and a kind of sawdust dust guard proposed.

To achieve the goals above, the utility model uses following technical solution：

The front of a kind of sawdust dust guard, including nose cup, the nose cup is provided with rectangular opening, and square is connected in rectangular opening Shape frame is rotatably connected to the screen equidistantly distributed in the rectangle frame, and the both ends of the screen are reserved with round bar, the grid The round bar top of plate wherein one end is welded with driven gear, and the outer wall of the rectangle frame is welded with L close to the side of driven gear Shape sliding slot, and the slot bottom sliding of L-shaped sliding slot is connected with rack, the inner wall of the rectangle frame is provided with annular groove, and annular close to middle part It is connected with metal frame in slot, ash screen is connected in the metal frame, the side of the separate rectangle frame of the nose cup passes through bolt Fixed the front of the nose cup is welded with two wing of nose fixed plates close to top there are two fixed frame, outside the both sides of the nose cup Wall is welded with the cloche card slot of opening upwards, and is connected with same organic glass in two cloche card slots, described to have The top edge of machine glass is bolted there are two fixed fixture block, and the bottom of the nose cup is fixed with lower by screw Shield, and the arc notch of chin shield is provided with layer of silica gel.

Preferably, the driven gear on the round bar top is respectively positioned on the homonymy of rectangle frame, and driven gear is mutual with rack It is meshed, the one end of rack far from driven gear is welded with poke rod.

Preferably, two fixed frames are located at the both sides of rectangular opening, and the top of the two fixed frames company of rotation It is connected to silicagel pad.

Preferably, the centre of two wing of nose fixed plates is provided with through-hole, and organic glass is opened close to the side of through-hole There are two screw hole, two wing of nose fixed plates are fixed together by screw and organic glass.

Preferably, the organic glass is provided with the compatible notch of the orthographic projection with nose cup close to the side of nose cup, And it is provided with rubber sheet gasket between organic glass and the contact surface of nose cup.

Preferably, the back side of two fixed fixture blocks and the lower surface of cloche card slot are both provided with belt buckle, and Leather belt buckle, which is buckled, is connected with elastic band.

Compared with prior art, the utility model provides a kind of sawdust dust guard, has following advantageous effect：

1, the sawdust dust guard, by be arranged screen and with the intermeshing ruler item of driven gear, can by volume compared with Big sawdust is blocked in the outside of rectangle frame, avoids sawdust from hitting ash screen and is destroyed, and plays the role of protecting ash screen.

2, the sawdust dust guard can be quickly and easily by the wing of nose fixed plate of setting and two cloche card slots It will be fixed on nose cup in the organic glass of cambered surface, it is not only easy to disassemble, but also can be with protect eyes and face.

3, the sawdust dust guard, by the fixed frame and silicagel pad of setting, allow bridge of the nose both sides avoid directly with nose cup Hard object contact, and weigh face wounded, it is more comfortable to allow user to wear.

It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model Simple in structure, airtight performance is good, and operability is strong.

Description of the drawings

Fig. 1 be the utility model proposes a kind of sawdust dust guard main structure diagram；

Fig. 2 be the utility model proposes a kind of sawdust dust guard overlooking structure diagram.

In figure：1 nose cup, 2 rectangle frames, 3 screens, 4 racks, 5L shapes sliding slot, 6 chin shields, 7 belts buckle, 8 cloche cards It is slot, 9 wing of nose fixed plates, 10 organic glasses, 11 fixed frames, 12 silicagel pads, 13 annular grooves, 14 rectangular openings, 15 ash screens, 16 driven Gear.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-2, the front of a kind of sawdust dust guard, including nose cup 1, nose cup 1 is provided with rectangular opening 14, and rectangular opening It is connected with rectangle frame 2 in 14, the screen 3 equidistantly distributed is rotatably connected in rectangle frame 2, the both ends of screen 3 are reserved with circle The round bar top of bar, the wherein one end of screen 3 is welded with driven gear 16, and the outer wall of rectangle frame 2 is close to the side of driven gear 16 It is welded with L-shaped sliding slot 5, and the slot bottom sliding of L-shaped sliding slot 5 is connected with rack 4, the inner wall of rectangle frame 2 is provided with annular groove close to middle part 13, and metal frame is connected in annular groove 13, ash screen 15 is connected in metal frame, the side of the separate rectangle frame 2 of nose cup 1 is logical It crosses bolt to fix there are two fixed frame 11, the front of nose cup 1 is welded with two wing of nose fixed plates 9, the both sides of nose cup 1 close to top Outer wall is welded with the cloche card slot 8 of opening upwards, and is connected with same organic glass 10 in two cloche card slots 8, The top edge of organic glass 10 is bolted there are two fixed fixture block, and the bottom of nose cup 1 is fixed with down by screw The arc notch of shield 6, and chin shield 6 is provided with layer of silica gel.

In the utility model, the driven gear 16 on round bar top is respectively positioned on the homonymy of rectangle frame 2, and driven gear 16 with Rack 4 intermeshes, and the one end of rack 4 far from driven gear 16 is welded with poke rod, and two fixed frames 11 are located at rectangle The both sides in hole 14, and the top of two fixed frames 11 is rotatably connected to silicagel pad 12, the centre of two wing of nose fixed plates 9 is opened There is through-hole, and organic glass 9 is opened close to the side of through-hole there are two screw hole, two wing of nose fixed plates 9 pass through screw and organic glass Glass 9 is fixed together, and organic glass 10 is provided with notch compatible with the orthographic projection of nose cup 1 close to the side of nose cup 1, and organic Rubber sheet gasket, the following table at the back side and cloche card slot 8 of two fixed fixture blocks are provided between glass 10 and the contact surface of nose cup 1 Face is both provided with belt buckle 7, and is connected with elastic band on belt buckle 7.

Operation principle：Interlocked with two elastic bands when use and be interspersed in the mounting hole of four belt buckles 7, again will later Two silicagel pads 12 inside nose cup 1 are contradicted again to tie up elastic band in bridge of the nose both sides and be can be used on head；During use such as The sawdust volume at fruit scene is larger, first adjusts the ruler item 4 of 2 side of rectangle frame, and screen 3 is allowed to keep a plane, and sawdust gear is existed Outside can also unload organic glass 10, if the sawdust that scene is splashed is less to reduce the component of device.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of sawdust dust guard, including nose cup (1), which is characterized in that the front of the nose cup (1) is provided with rectangular opening (14), it and in rectangular opening (14) is connected with rectangle frame (2), the screen equidistantly distributed is rotatably connected in the rectangle frame (2) (3), the both ends of the screen (3) are reserved with round bar, and the round bar top of described screen (3) wherein one end is welded with driven gear (16), the outer wall of the rectangle frame (2) is welded with L-shaped sliding slot (5) close to the side of driven gear (16), and L-shaped sliding slot (5) Slot bottom sliding is connected with rack (4), and the inner wall of the rectangle frame (2) is provided with annular groove (13) close to middle part, and in annular groove (13) It is connected with metal frame, ash screen (15) is connected in the metal frame, the side of the separate rectangle frame (2) of the nose cup (1) is logical Bolt to be crossed to fix there are two fixed frame (11), the front of the nose cup (1) is welded with two wing of nose fixed plates (9) close to top, The both sides outer wall of the nose cup (1) is welded with the cloche card slot (8) of opening upwards, and card in two cloche card slots (8) It is connected to same organic glass (10), the top edge of the organic glass (10) is bolted that there are two fixing cards The bottom of block, the nose cup (1) is fixed with lower shield (6) by screw, and the arc notch of chin shield (6) is provided with silicon Glue-line.

2. a kind of sawdust dust guard according to claim 1, which is characterized in that the driven gear on the round bar top (16) it is respectively positioned on the homonymy of rectangle frame (2), and driven gear (16) intermeshes with rack (4), rack (4) is far from driven tooth One end of wheel (16) is welded with poke rod.

3. a kind of sawdust dust guard according to claim 1, which is characterized in that two fixed frames (11) difference positions Both sides in rectangular opening (14), and the top of two fixed frames (11) is rotatably connected to silicagel pad (12).

4. a kind of sawdust dust guard according to claim 1, which is characterized in that two wing of nose fixed plates (9) Centre is provided with through-hole, and organic glass (10) is opened close to the side of through-hole there are two screw hole, and two wing of nose fixed plates (9) pass through Screw is fixed together with organic glass (10).

5. a kind of sawdust dust guard according to claim 1, which is characterized in that the organic glass (10) is close to nose cup (1) side is provided with notch compatible with the orthographic projection of nose cup (1), and the contact surface of organic glass (10) and nose cup (1) it Between be provided with rubber sheet gasket.

6. a kind of sawdust dust guard according to claim 1, which is characterized in that the back side of two fixed fixture blocks and The lower surface of cloche card slot (8) is both provided with belt buckle (7), and is connected with elastic band on belt buckle (7).