CN217237672U - Hand-held laser dust particle counter - Google Patents

Abstract

The utility model discloses a hand-held type laser dust particle counter, which comprises a bod, the extrusion groove has been seted up to the inside of organism, the inside sliding connection in extrusion groove has the stripper plate, the side table fixedly connected with buckle of stripper plate, the one end that the stripper plate was kept away from to the buckle is located the outside of organism, the surface of buckle is provided with the extrusion spring and the inside that is located the extrusion groove, the rear surface fixedly connected with of organism indicates the piece, indicate that the piece keeps away from once of organism and be provided with the fixed band, fixedly connected with sweat-absorbing cotton pad is pasted through the magic to the side surface of organism, the front surface fixedly connected with slide bar of organism. The utility model discloses, insert the buckle in the pocket to the elasticity control stripper plate that utilizes extrusion spring drives the buckle and removes, thereby blocks the buckle on the pocket, avoids the organism to hold for a long time and causes hand muscle ache in the hand.

Description

Hand-held laser dust particle counter

Technical Field

The utility model relates to an environment dust detects technical field, especially relates to hand-held type laser dust particle counter.

Background

The dust particle counter is an instrument used for measuring the number and the particle size distribution of dust particles in a single volume in a clean environment, and the handheld dust particle counter is small in size and convenient to use.

In the prior art, the application No. CN201921985203.5 patent application dust particle counter, the error prevention plate is designed and located at the end of the button to separate the button and prevent the operator from mistakenly touching the button, the error prevention plate is mounted and supported by the designed mounting rack, the error prevention plate and the mounting rack are connected with each other by the designed connecting plate, the error prevention plate is mounted and fixed by the designed mounting rod and plays a role in preventing deviation of the reset spring, the reset spring is designed to provide elasticity for the error prevention plate when no external force is extruded, so that the error prevention plate is restored to the initial height, the button is isolated and protected, the button is exposed from the operating hole to operate when the error prevention plate is pressed through the designed operating hole, but when the counter is not used, the hand muscle pain is easily caused by holding the counter in the hand for a long time, in addition, in the use process of the counter in hot summer, the palm is easy to sweat, so that the counter is easy to fall off from the hand, and the counter is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a handheld laser dust particle counter.

In order to realize the purpose, the utility model adopts the following technical scheme: the handheld laser dust particle counter comprises a machine body, wherein an extrusion groove is formed in the machine body, an extrusion plate is connected to the inside of the extrusion groove in a sliding mode, a buckle is fixedly connected to the side surface of the extrusion plate, one end, far away from the extrusion plate, of the buckle is located on the outer side of the machine body, and an extrusion spring is arranged on the outer surface of the buckle and located inside the extrusion groove;

the back surface of the machine body is fixedly connected with a finger block, and a fixing belt is arranged on the primary side of the finger block, which is far away from the machine body;

the side surface of the machine body is fixedly connected with a sweat-absorbing cotton pad through a magic tape.

As a further description of the above technical solution:

the front surface fixedly connected with slide bar of organism, the surface swing joint of slide bar has prevents the mistake board, the surface of slide bar and be located the one side of preventing the mistake board are provided with reset spring, reset spring's one end with prevent mistake board fixed connection, reset spring keeps away from the one end and the organism fixed connection of preventing the mistake board.

As a further description of the above technical solution:

the through-hole has been seted up to the inside of preventing the mistake board, prevent that the mistake board keeps away from one side of organism and set up flutedly, the slide bar is located the inside one end fixedly connected with lug of recess.

As a further description of the above technical solution:

the inside of organism is provided with the button, the through-hole corresponds the setting with the button to through-hole and button looks adaptation.

As a further description of the above technical solution:

the front surface of organism just is located the top of slide bar and is provided with the display screen, the upper surface of organism is provided with the intake pipe.

As a further description of the above technical solution:

the buckle is L-shaped and is in sliding connection with the machine body.

As a further description of the above technical solution:

the finger blocks are arc blocks, and the fixing belts are elastic rubber belts.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this hand-held type laser dust particle counter is through inserting the buckle in the pocket to utilize extrusion spring's elasticity control stripper plate to drive the buckle and remove, thereby with the buckle card on the pocket, avoid the organism to hold for a long time and cause hand muscle ache in the hand.

2. Compared with the prior art, this hand-held type laser dust particle counter indicates the piece through setting up to insert the finger in indicating the piece, fix the finger in indicating the piece through utilizing the fixed band, avoid the organism because the palm perspires and drops.

3. Compared with the prior art, this hand-held type laser dust particle counter is through setting up the cotton pad of sweat-absorbing, is convenient for absorb the sweat in the palm, and it is more comfortable to make the palm hold the organism simultaneously.

Drawings

FIG. 1 is a schematic diagram of an external structure of a hand-held laser dust particle counter according to the present invention;

FIG. 2 is a side view of a hand-held laser dust particle counter according to the present invention;

fig. 3 is a schematic structural view of a in fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of B in fig. 1 according to the present invention;

fig. 5 is a partial cross-sectional view of a hand-held laser dust particle counter according to the present invention.

Illustration of the drawings:

1. a body; 2. buckling; 3. extruding a groove; 4. a compression plate; 5. a finger block; 6. fixing belts; 7. a sweat-absorbent cotton pad; 8. a button; 9. a slide bar; 10. a mistake prevention plate; 11. a through hole; 12. a groove; 13. a bump; 14. a return spring; 15. a display screen; 16. an air inlet pipe; 17. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a hand-held laser dust particle counter: the hand muscle pain-relieving device comprises a machine body 1, an extrusion groove 3 is formed in the machine body 1, an extrusion plate 4 is connected to the inside of the extrusion groove 3 in a sliding mode, a buckle 2 is fixedly connected to the side surface of the extrusion plate 4 and used for hanging the machine body 1 in a pocket, the buckle 2 is L-shaped, the buckle 2 is connected with the machine body 1 in a sliding mode, one end, far away from the extrusion plate 4, of the buckle 2 is located on the outer side of the machine body 1, an extrusion spring 17 is arranged on the outer surface of the buckle 2 and located inside the extrusion groove 3, the extrusion plate 4 is controlled to drive the buckle 2 to move through the elastic force of the extrusion spring 17, and therefore the buckle 2 is clamped on the pocket, and hand muscle pain caused by the fact that the machine body 1 is held in the hand for a long time is avoided;

the rear surface of the machine body 1 is fixedly connected with a finger block 5, when in use, a finger is inserted into an arc-shaped groove on the finger block 5 and is fixed on the finger block 5 through a fixing band 6, so that the machine body 1 is prevented from falling off due to sweat of a palm when in use, the finger block 5 is an arc-shaped block, the fixing band 6 is arranged on the primary side of the finger block 5, which is far away from the machine body 1, the fixing band 6 is an elastic rubber band, and the finger is prevented from being fixed too tightly and difficultly by the fixing band 6;

the side surface of the machine body 1 is fixedly connected with a sweat absorbing cotton pad 7 through a magic tape for absorbing sweat in the palm, so that the palm is kept comfortable and dry.

A slide bar 9 is fixedly connected with the front surface of the machine body 1, an error prevention plate 10 is movably connected with the outer surface of the slide bar 9, when in use, the error prevention plate 10 is pressed down by force and the button 8 is exposed, so that a worker can press the button 8 with fingers to operate, after the operation is finished, the error prevention plate 10 is loosened, the initial position of the error prevention plate 10 is restored under the action of a reset spring 14, so that the button 8 is put into a through hole 11, when the machine is not in use, the misoperation of the button is avoided, the outer surface of the slide bar 9 and one side of the error prevention plate 10 are provided with the reset spring 14, one end of the reset spring 14 is fixedly connected with the error prevention plate 10, one end of the reset spring 14 far away from the error prevention plate 10 is fixedly connected with the machine body 1, a through hole 11 is arranged inside the error prevention plate 10, one side of the error prevention plate 10 far away from the machine body 1 is provided with a groove 12, one end of the slide bar 9 inside the groove 12 is fixedly connected with a lug 13, through setting up lug 13, avoid preventing mistake board 10 and drop from slide bar 9, the inside of organism 1 is provided with button 8, and through-hole 11 corresponds the setting with button 8 to through-hole 11 and button 8 looks adaptation, the front surface of organism 1 and the top that is located slide bar 9 are provided with display screen 15, and the upper surface of organism 1 is provided with intake pipe 16.

The working principle is as follows: organism 1 is when using, insert the arc wall that indicates piece 5 with the finger, and fix the finger on indicating piece 5 under the effect of fixed band 6, avoid organism 1 to drop because the palm perspires, cotton pad 7 through setting up the sweat-absorbing, be convenient for absorb the sweat in the palm, it is more comfortable to make the palm hold organism 1 simultaneously, after the use, hang the pocket before the chest through 2 organisms of buckle, 4 drive buckle 2 through the elasticity control stripper plates that utilize extrusion spring 17 move, thereby block 2 cards of buckle on the pocket, avoid organism 1 to hold for a long time and cause hand muscle ache in the hand.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in other embodiments without departing from the spirit and scope of the invention.

Claims (7)

1. Hand-held type laser dust particle counter, including organism (1), its characterized in that: an extrusion groove (3) is formed in the machine body (1), an extrusion plate (4) is connected to the inside of the extrusion groove (3) in a sliding mode, a buckle (2) is fixedly connected to the side surface of the extrusion plate (4), one end, far away from the extrusion plate (4), of the buckle (2) is located on the outer side of the machine body (1), and an extrusion spring (17) is arranged on the outer surface of the buckle (2) and located inside the extrusion groove (3);

a finger block (5) is fixedly connected to the rear surface of the machine body (1), and a fixing belt (6) is arranged on the primary side of the finger block (5) far away from the machine body (1);

the side surface of the machine body (1) is fixedly connected with a sweat absorbing cotton pad (7) through a magic tape.

2. The hand-held laser dust particle counter of claim 1, wherein: the front surface fixed connection of organism (1) has slide bar (9), the surface swing joint of slide bar (9) has prevents mistake board (10), the surface of slide bar (9) and be located the one side of preventing mistake board (10) are provided with reset spring (14), the one end of reset spring (14) with prevent mistake board (10) fixed connection, reset spring (14) are kept away from the one end and the organism (1) fixed connection who prevents mistake board (10).

3. The hand-held laser dust particle counter of claim 2, wherein: a through hole (11) is formed in the anti-misoperation plate (10), a groove (12) is formed in one side, away from the machine body (1), of the anti-misoperation plate (10), and a lug (13) is fixedly connected to one end, located inside the groove (12), of the sliding rod (9).

4. The hand-held laser dust particle counter of claim 3, wherein: the inside of organism (1) is provided with button (8), through-hole (11) and button (8) correspond the setting to through-hole (11) and button (8) looks adaptation.

5. The hand-held laser dust particle counter of claim 2, wherein: a display screen (15) is arranged on the front surface of the machine body (1) and above the sliding rod (9), and an air inlet pipe (16) is arranged on the upper surface of the machine body (1).

6. The hand-held laser dust particle counter of claim 1, wherein: the buckle (2) is L-shaped, and the buckle (2) is connected with the machine body (1) in a sliding mode.

7. The hand-held laser dust particle counter of claim 1, wherein: the finger blocks (5) are arc-shaped blocks, and the fixing belts (6) are elastic rubber belts.

Images