CN209992498U

CN209992498U - Heavy metal detection device in hand-held type soil

Info

Publication number: CN209992498U
Application number: CN201920741664.1U
Authority: CN
Inventors: 陈红华; 杨强; 武舒阳
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-24
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to the technical field of soil detection, and discloses a hand-held heavy metal detection device in soil, which comprises a gun body consisting of a gun body and a gun handle, wherein a display groove is formed in the back end of the gun body, a display screen is installed in the display groove, a protection mechanism is installed on the display screen, and a compression mechanism is installed at the back end of the gun body above the display groove; protection mechanism includes torsional spring seat, visor, shackle, connection rope and drag hook, the visor is connected through torsional spring seat and the notch that the display screen is close to the bottom, the lower extreme of torsional spring seat one end is kept away from to shackle fixed connection at the visor, the one end fixed connection of connection rope is in the back end that is located display screen below body of a gun, the other end of connection rope is connected with the drag hook, the drag hook articulates on the shackle. The utility model discloses prevent to carry on the way of holding, the mirror surface of display screen is impaired, has strengthened the protection effect to the body of a gun moreover.

Description

Heavy metal detection device in hand-held type soil

Technical Field

The utility model relates to a soil detection technology field especially relates to a heavy metal detection device in hand-held type soil.

Background

Along with the continuous improvement of the living standard of the substances of people, the requirements of people on clothes eating and living are higher and higher, especially, the attention on food diet is paid, green and environment-friendly healthy food is advocated at present, most of food is obtained by cultivating soil, the components of the soil, the pollution degree and the like are key factors influencing food nutrition and safety, and therefore, the safety detection of the soil plays a vital role in ensuring the food nutrition and safety. The existing soil detection equipment is generally complex, expensive and high in configuration cost, and the mirror surface of the display screen is lack of effective protection measures, so that the mirror surface is easily damaged in the way of carrying and holding, and inconvenient damage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the display screen mirror surface lacks effectual safeguard measure, on the way of carrying and holding, the easy impaired problem of making of mirror surface, and the interior heavy metal detection device of hand-held type soil that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a handheld device for detecting heavy metals in soil comprises a gun body consisting of a gun body and a gun handle, wherein a display groove is formed in the back end of the gun body, a display screen is installed in the display groove, a protection mechanism is installed on the display screen, and a compression mechanism is installed at the back end of the gun body above the display groove;

protection mechanism includes torsional spring seat, visor, shackle, connection rope and drag hook, the visor is connected through torsional spring seat and the notch that the display screen is close to the bottom, the lower extreme of torsional spring seat one end is kept away from to shackle fixed connection at the visor, the one end fixed connection of connection rope is in the back end that is located display screen below body of a gun, the other end of connection rope is connected with the drag hook, the drag hook articulates on the shackle.

Preferably, the compression mechanism comprises a cylindrical compression groove, a piston, a transmission rod and a supporting plate, the compression groove is formed in the back end of the gun body, the piston is connected to the groove wall of the compression groove in a sliding mode, one end of the transmission rod is fixedly connected to one end, far away from the bottom of the compression groove, of the piston, the other end of the transmission rod penetrates through a notch of the compression groove and is connected with the supporting plate, and the cross section of the supporting plate is smaller than that of the compression groove.

Preferably, one end of the gun handle, which is far away from the gun body, is fixedly connected with a balancing weight.

Preferably, the torsional spring seat includes two splint, a torsional spring pole and a torsional spring, two splint symmetry fixed connection is at the back end of the body of a gun, the both ends symmetry fixed connection of torsional spring pole is at two splint both ends in opposite directions, the torsional spring cover is established on the torsional spring pole, the one end fixed connection of torsional spring is at the back end of the body of a gun, the other end fixed connection of torsional spring is on the protective cover.

Preferably, an annular piston groove is formed in the annular side wall of the piston, a piston ring is sleeved in the piston groove, and the outer annular wall of the piston ring abuts against the groove wall of the compression groove.

Preferably, the groove wall of the compression groove is symmetrically and fixedly connected with limiting blocks, and the two limiting blocks are symmetrically arranged relative to the transmission rod.

Compared with the prior art, the utility model provides a heavy metal detection device in hand-held type soil possesses following beneficial effect:

1. this heavy metal detection device in hand-held type soil constitutes a protection machanism through setting up spring seat, visor, shackle, connecting rope and drag hook, protects the display screen mirror surface in the display slot, prevents to carry on the way of holding, and the mirror surface of display screen is impaired.

2. This heavy metal detection device in hand-held type soil constitutes a compression mechanism through setting up compression groove, piston, transfer line and support board, has reduced the impact that the body of a gun received when visor striking on the body of a gun, has strengthened the protection effect to the body of a gun.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses prevent to carry on the way of holding, the mirror surface of display screen is impaired, has strengthened the protection effect to the body of a gun moreover.

Drawings

Fig. 1 is a schematic structural diagram of a handheld device for detecting heavy metals in soil according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is the utility model provides a structural schematic diagram of the torsional spring seat of heavy metal detection device in hand-held type soil.

In the figure: the gun comprises a gun body 1, a gun handle 2, a display groove 3, a display screen 4, a protection mechanism 5, a torsion spring seat 51, a protective cover 52, a shackle 53, a connecting rope 54, a draw hook 55, a compression mechanism 6, a compression groove 61, a piston 62, a transmission rod 63, a resisting plate 64, a counterweight 7, a clamping plate 8, a torsion spring rod 9, a torsion spring 10, a piston groove 11, a piston ring 12 and a limiting block 13.

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.

Referring to fig. 1-3, a hand-held device for detecting heavy metals in soil comprises a gun body consisting of a gun body 1 and a gun handle 2, wherein a display groove 3 is formed in the back end of the gun body 1, a display screen 4 is installed in the display groove 3, a protection mechanism 5 is installed on the display screen 4, and a compression mechanism 6 is installed at the back end of the gun body 1 above the display groove 3;

the protection mechanism 5 comprises a torsion spring seat 51, a protection cover 52, a hook ring 53, a connecting rope 54 and a draw hook 55, wherein the protection cover 52 is connected with a notch of the display groove 3 close to the bottom through the torsion spring seat 51, the torsion spring 52 is in a stressed state at the moment, the hook ring 53 is fixedly connected to the lower end of one end of the protection cover 52 far away from the torsion spring seat 51, one end of the connecting rope 54 is fixedly connected to the back end of the gun body 1 below the display groove 3, the other end of the connecting rope 54 is connected with the draw hook 55, the draw hook 55 is hooked on the hook ring 53, when the detection device is not used, the draw hook 55 is taken down from the hook ring 53 and loses the constraint of the connecting rope 54, the stressed torsion spring seat 51 drives the protection cover 52 to be closed on the notch of the display groove 3 under the action of self-reset force, the mirror surface of the display screen 4 in the display groove.

The compression mechanism 6 comprises a cylindrical compression groove 61, a piston 62, a transmission rod 63 and a resisting plate 64, the compression groove 61 is arranged at the back end of the gun body 1, the piston 62 is connected to the groove wall of the compression groove 61 in a sliding mode, one end of the transmission rod 63 is fixedly connected to one end, far away from the groove bottom of the compression groove 61, of the piston 62, the other end of the transmission rod 63 penetrates through the notch of the compression groove 61 and is connected with the resisting plate 64, the cross section of the resisting plate 64 is smaller than that of the compression groove 61, when the protection cover 52 is impacted on the gun body 1 by the restoring force of the torsion spring seat 51, the protection cover 52 is firstly contacted with the resisting plate 64, the resisting plate 64 drives the piston 62 to compress air in the compression groove 61 through the transmission rod 63 after being stressed, the air in the compression groove 61 is compressed, the impact force is consumed, the impact force received by the gun body 1 when the protection cover 52 impacts on the gun.

The one end fixedly connected with balancing weight 7 of body of a gun 1 is kept away from to stock 2, makes the gravity of stock 2 great on the body of a gun through balancing weight 7, and when the body of a gun fell from the hand, stock 2 at first contacted ground, reduced the shaking force that causes 1 inside spare part of body of a gun.

The torsion spring seat 51 comprises two clamp plates 8, a torsion spring rod 9 and a torsion spring 10, wherein the two clamp plates 8 are symmetrically and fixedly connected at the back end of the gun body 1, the two ends of the torsion spring rod 9 are symmetrically and fixedly connected at the two opposite ends of the two clamp plates 8, the torsion spring rod 9 is sleeved with the torsion spring 10, one end of the torsion spring 10 is fixedly connected at the back end of the gun body 1, and the other end of the torsion spring 10 is fixedly connected on the protective cover 52.

An annular piston groove 11 is formed in the annular side wall of the piston 62, a piston ring 12 is sleeved in the piston groove 11, the outer annular wall of the piston ring 12 abuts against the groove wall of the compression groove 61, and the air tightness between the piston 62 and the compression groove 61 is improved through the piston ring 12.

The wall of the compression groove 61 is symmetrically and fixedly connected with the limiting blocks 13, and the two limiting blocks 13 are symmetrically arranged relative to the transmission rod 63, so that the piston 62 is prevented from being separated from the compression groove 61.

In the utility model, when the detection device is not used, the draw hook 55 is taken down from the hook ring 53, the constraint of the connecting rope 54 is lost, the stressed torsion spring seat 51 drives the protective cover 52 to be closed at the notch of the display groove 3 under the action of self-reset force, the mirror surface of the display screen 4 in the display groove 3 is protected, and the mirror surface of the display screen 4 is prevented from being damaged in the process of carrying and holding; when the protective cover 52 is impacted to the gun body 1 by the reset force of the torsion spring seat 51, the protective cover 52 firstly contacts with the abutting plate 64, the abutting plate 64 is stressed and then drives the piston 62 to compress the air in the compression groove 61 through the transmission rod 63, the air in the compression groove 61 is compressed, the impact force is consumed, the impact force borne by the gun body 1 when the protective cover 52 impacts on the gun body 1 is reduced, and the protective effect on the gun body 1 is enhanced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hand-held type soil internal heavy metal detection device comprises a gun body consisting of a gun body (1) and a gun handle (2), and is characterized in that a display groove (3) is formed in the back end of the gun body (1), a display screen (4) is installed in the display groove (3), a protection mechanism (5) is installed on the display screen (4), and a compression mechanism (6) is installed at the back end of the gun body (1) above the display groove (3);

protection machanism (5) are including torsion spring seat (51), visor (52), shackle (53), connect rope (54) and drag hook (55), visor (52) are connected through torsion spring seat (51) and display slot (3) notch near the bottom, shackle (53) fixed connection is kept away from the lower extreme of torsion spring seat (51) one end in visor (52), the one end fixed connection of connecting rope (54) is located the back end of display slot (3) below stack of a gun (1), the other end of connecting rope (54) is connected with drag hook (55), drag hook (55) hookup is on shackle (53).

2. The hand-held type soil heavy metal detection device of claim 1, wherein the compression mechanism (6) comprises a cylindrical compression groove (61), a piston (62), a transmission rod (63) and a resisting plate (64), the compression groove (61) is arranged at the back end of the gun body (1), the piston (62) is connected to the groove wall of the compression groove (61) in a sliding mode, one end of the transmission rod (63) is fixedly connected to the end, away from the groove bottom of the compression groove (61), of the piston (62), the other end of the transmission rod (63) penetrates through the groove opening of the compression groove (61) to be connected with the resisting plate (64), and the cross section of the resisting plate (64) is smaller than that of the compression groove (61).

3. The hand-held heavy metal detection device in soil of claim 1, wherein a balancing weight (7) is fixedly connected to one end of the gun handle (2) far away from the gun body (1).

4. The hand-held heavy metal detection device in soil of claim 1, wherein, the torsion spring seat (51) includes two splint (8), a torsion spring pole (9) and a torsion spring (10), two splint (8) symmetry fixed connection is in the back end of rifle body (1), the both ends symmetry fixed connection of torsion spring pole (9) is in two splint (8) opposite ends, torsion spring pole (9) cover is established on torsion spring pole (10), the one end fixed connection of torsion spring (10) is in the back end of rifle body (1), the other end fixed connection of torsion spring (10) is on visor (52).

5. The hand-held type soil heavy metal detection device of claim 2, wherein, an annular piston groove (11) is opened on the annular side wall of the piston (62), a piston ring (12) is sleeved in the piston groove (11), and the outer ring wall of the piston ring (12) is abutted against the groove wall of the compression groove (61).

6. The hand-held type soil heavy metal detection device of claim 2, characterized in that, the wall of the compression groove (61) is symmetrically and fixedly connected with a limiting block (13), and the two limiting blocks (13) are symmetrically arranged around the transmission rod (63).