CN214668930U - Poisonous and harmful gas sensing device with high testing sensitivity - Google Patents
Poisonous and harmful gas sensing device with high testing sensitivity Download PDFInfo
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- CN214668930U CN214668930U CN202120804723.2U CN202120804723U CN214668930U CN 214668930 U CN214668930 U CN 214668930U CN 202120804723 U CN202120804723 U CN 202120804723U CN 214668930 U CN214668930 U CN 214668930U
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- harmful gas
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 231100000614 poison Toxicity 0.000 title claims abstract description 15
- 230000007096 poisonous effect Effects 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 36
- 230000004224 protection Effects 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 20
- 231100000331 toxic Toxicity 0.000 claims description 9
- 230000002588 toxic effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 6
- 230000002633 protecting effect Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009979 protective mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model is suitable for a gas sensing technical field provides a poisonous and harmful gas sensing device with high test sensitivity, which comprises a housin, the top fixed mounting of casing has the sensing head, and the bottom fixedly connected with installation base of casing, the bottom fixed mounting of installation base has the connection needle, and the top of installation base is connected with protection machanism. The utility model discloses in, under protection machanism's effect, through the outside fixed mounting of curb plate at the installation base, under first reset spring's elastic action, make the outer wall of guard plate all the time at the casing protect the support to the casing, the operating mass of casing has been guaranteed, improve the sensitivity of sensing head at the during operation, through one side fixed mounting toothed plate at the guard plate, under the effect of toothed disc, make the toothed plate atress activity that the symmetry set up, the unity of casing both sides protecting effect has been guaranteed, and simple structure, therefore, the operation is convenient, the normal work of sensing device is not influenced.
Description
Technical Field
The utility model belongs to the technical field of gas sensing, especially, relate to a poisonous and harmful gas sensing device with high test sensitivity.
Background
The gas sensing device is a device for converting the volume fraction of certain gas into corresponding electric signals, and the toxic and harmful gas sensing device is widely applied to various petroleum, petrochemical and chemical production device areas and other places where toxic and harmful gas exists, such as municipal administration, fire fighting, gas, telecommunication, coal, metallurgy, electric power, medicine, food processing and the like, and is characterized by high sensitivity, good selectivity and good low-concentration output linearity.
The poisonous and harmful gas sensing device of current high test sensitivity at its in-process that uses, does not possess the outside mechanism that effectively protects after the installation to poisonous and harmful gas sensing device to do not possess the mechanism that carries out quick convenient installation to poisonous and harmful gas sensing device, it is poor to lead to poisonous and harmful gas sensing device protecting effect, and life is short, and the installation is inconvenient, and application scope is little.
SUMMERY OF THE UTILITY MODEL
The utility model provides a poisonous and harmful gas sensing device with high test sensitivity, aim at solving the poisonous and harmful gas sensing device of current high test sensitivity, at the in-process that it used, do not possess the outside to poisonous and harmful gas sensing device and carry out the mechanism of effective protection after the installation to do not possess the mechanism that carries out quick convenient installation to poisonous and harmful gas sensing device, it is poor to lead to poisonous and harmful gas sensing device protecting effect, and life is short, and it is inconvenient to install, the little problem of application scope.
The utility model is realized in such a way, a poisonous and harmful gas sensing device with high testing sensitivity comprises a shell, wherein a sensing head is fixedly arranged at the top end of the shell, a mounting base is fixedly connected with the bottom end of the shell, a connecting needle is fixedly arranged at the bottom end of the mounting base, a protective mechanism is connected with the top of the mounting base, a protective plate is arranged inside the protective mechanism and is arranged on the outer wall of the shell, a first reset spring is fixedly connected with the outer side of the protective plate, a side plate is fixedly arranged at the other side of the first reset spring and is fixedly connected with the outer side of the mounting base, a gear plate is fixedly connected with the other side of the protective plate, a gear disc is connected with the bottom end of the gear plate in a meshing manner, a rotating shaft is arranged inside the gear disc, a vertical plate is arranged at the bottom of the rotating shaft, and the bottom end of the vertical plate is fixedly connected with the top end of the mounting base, and the top of the side plate is provided with an installation inserting mechanism.
Preferably, the protection plate forms an elastic structure through between first reset spring and the curb plate, and the protection plate is provided with two sets of about the axis symmetry of installation base.
Preferably, the rotating shaft and the gear plate form a transmission structure through the gear disc, and the gear disc and the vertical plate form a movable structure through the rotating shaft.
Preferably, the inside of the installation inserting mechanism comprises a fixed plate, the fixed plate is fixedly installed inside the side plate, the fixed plate is connected with a first bearing inside, the inner wall of the first bearing is in threaded connection with a hand-screwing screw rod, the bottom of the hand-screwing screw rod is sleeved with a second bearing, the outer wall of the second bearing is connected with a movable plate, the outer wall of the movable plate is fixedly provided with a first sliding block, the outer wall of the first sliding block is in sliding connection with a first sliding groove, the first sliding groove is formed in the inner wall of the side plate, the bottom end of the movable plate is fixedly provided with a resisting block, the bottom end of the resisting block is connected with an inserting rod in a laminating manner, the positive end surface of the inserting rod is provided with a second sliding groove, the inner wall of the second sliding groove is in sliding connection with a second sliding block, the second sliding block is fixedly connected with the side plate, the outer wall of the inserting rod is sleeved with a second return spring, and one side of the second return spring is connected with a limiting plate, and the limiting plate is fixedly connected with the outer wall of the inserted bar, one side of the inserted bar is provided with a baffle, and the baffle is fixedly connected with the inside of the mounting base.
Preferably, the movable plate forms a sliding structure with the side plate through the first sliding block and the first sliding groove, and the movable plate forms a transmission structure with the inserted link through the abutting block.
Preferably, the inserted bar forms a sliding structure through the second sliding groove, the second sliding block and the side plate, and the side plate forms an elastic structure through the second return spring and the limiting plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, under protection machanism's effect, through the outside fixed mounting of curb plate at the installation base, under first reset spring's elastic action, make the outer wall of guard plate all the time at the casing protect the support to the casing, the operating mass of casing has been guaranteed, improve the sensitivity of sensing head at the during operation, through one side fixed mounting toothed plate at the guard plate, under the effect of toothed disc, make the toothed plate atress activity that the symmetry set up, the unity of casing both sides protecting effect has been guaranteed, and simple structure, therefore, the operation is convenient, the normal work of sensing device is not influenced.
2. The utility model discloses in, under the effect of installation grafting mechanism, twist the screw rod through rotating the hand, under the fixed effect of primary shaft bearing position, make the hand twist the screw rod and drive the fly leaf through the second bearing and go up and down, thereby make the fly leaf extrude the inserted bar downwards, make the inserted bar pass through the second spout, the second slider is to the outside activity, the user of being convenient for installs the installation base through the inserted bar, through such setting, make the user realize quick installation at curb plate top operation to the installation base, the installation of the device of being convenient for under less space, make the device satisfy different user demands.
3. The utility model discloses in, set up second reset spring through the outer wall at the inserted bar, when making the inserted bar receive the extrusion, second reset spring compresses, be convenient for guarantee the stability of inserted bar installation, when the inserted bar does not receive the power, under second reset spring's elastic action, make the inserted bar reset inside the curb plate, the inserted bar of being convenient for is accomodate inside the curb plate, simultaneously, set up the limiting plate through one side at second reset spring, it is more accurate to make the inserted bar reset, the degree of accuracy of activity between piece and the inserted bar has been guaranteed.
Drawings
Fig. 1 is a schematic view of a toxic and harmful gas sensing device with high testing sensitivity according to the present invention;
fig. 2 is a schematic front structural view of the protection mechanism of the present invention;
fig. 3 is a schematic view of the cross-sectional structure of the middle-mounted plugging mechanism of the present invention.
In the figure: 1. a housing; 2. a sensor head; 3. installing a base; 4. a connecting needle; 5. a protection mechanism; 501. a protection plate; 502. a first return spring; 503. a side plate; 504. a gear plate; 505. a gear plate; 506. a rotating shaft; 507. a vertical plate; 6. installing a plugging mechanism; 601. a fixing plate; 602. a first bearing; 603. screwing the screw rod by hand; 604. a second bearing; 605. a movable plate; 606. a first slider; 607. a first chute; 608. a resisting block; 609. inserting a rod; 6010. a second chute; 6011. a second slider; 6012. a second return spring; 6013. a limiting plate; 6014. and a baffle plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a toxic and harmful gas sensing device with high testing sensitivity, which comprises a housing 1, a sensing head 2, a mounting base 3, a connecting pin 4, a protection mechanism 5, a protection plate 501, a first return spring 502, a side plate 503, a gear plate 504, a gear plate 505, a rotation shaft 506, a vertical plate 507, a mounting and plugging mechanism 6, a fixing plate 601, a first bearing 602, a hand-screwed screw 603, a second bearing 604, a movable plate 605, a first sliding block 606, a first sliding groove 607, a resisting block 608, a plugging rod 609, a second sliding groove 6010, a second sliding block 6011, a second return spring 6012, a limiting plate 6013 and a baffle 6014, wherein the top end of the housing 1 is fixedly mounted with the sensing head 2, the bottom end of the housing 1 is fixedly connected with the mounting base 3, the bottom end of the mounting base 3 is fixedly mounted with the connecting pin 4, and the top end of the mounting base 3 is connected with the protection mechanism 5, protection machanism 5's inside is including protection plate 501, and protection plate 501 is at the outer wall installation of casing 1, the first reset spring 502 of outside fixedly connected with of protection plate 501, and the opposite side fixed mounting of first reset spring 502 has curb plate 503, and curb plate 503 is at the outside fixed connection of installation base 3, the opposite side fixedly connected with gear plate 504 of protection plate 501, and the bottom meshing of gear plate 504 is connected with gear plate 505, the internally mounted of gear plate 505 has pivot 506, and riser 507 is installed to the bottom of pivot 506, and the bottom of riser 507 is fixed connection with the top of installation base 3, installation grafting mechanism 6 is installed at the top of curb plate 503.
In this embodiment, guard plate 501 passes through gear plate 504 can the automatically regulated position, is convenient for carry out good protection to casing 1's outer wall, simultaneously, through setting up curb plate 503 in guard plate 501 outside, makes curb plate 503 carry out dual protection to casing 1, and the effectual other parts of avoiding produce the interference to the device, improve the sensitivity of device to be favorable to extension fixture's life.
Further, the protection plate 501 forms an elastic structure between the first return spring 502 and the side plate 503, and two sets of protection plates 501 are symmetrically arranged about the central axis of the mounting base 3.
In this embodiment, under the elastic action of the first return spring 502, the protection plate 501 is always supported on the outer wall of the housing 1 to protect the housing 1, so that the working quality of the housing 1 is ensured.
Further, a transmission structure is formed between the rotating shaft 506 and the gear plate 504 through the gear disc 505, and a movable structure is formed between the gear disc 505 and the vertical plate 507 through the rotating shaft 506.
In this embodiment, through one side fixed mounting gear board 504 at protection plate 501, under the effect of gear dish 505, make the gear board 504 atress activity that the symmetry set up, guaranteed the unity of casing 1 both sides protective effect.
Further, the inside of the installation inserting mechanism 6 includes a fixed plate 601, the fixed plate 601 is fixedly installed inside the side plate 503, the fixed plate 601 is connected inside the fixed plate 601, the first bearing 602 is connected inside the fixed plate 601, the inner wall of the first bearing 602 is connected with a hand-screwing screw 603 in a threaded manner, the bottom of the hand-screwing screw 603 is sleeved with a second bearing 604, the outer wall of the second bearing 604 is connected with a movable plate 605, the outer wall of the movable plate 605 is fixedly installed with a first slider 606, the outer wall of the first slider 606 is connected with a first sliding groove 607 in a sliding manner, the first sliding groove 607 is arranged on the inner wall of the side plate 503, the bottom end of the movable plate 605 is fixedly installed with a resisting block 608, the bottom end of the resisting block 608 is connected with an inserting rod 609 in an attaching manner, the positive end surface of the inserting rod 609 is provided with a second sliding groove 6010, the inner wall of the second sliding groove 6010 is connected with a second slider 1 in a sliding manner, the second slider 6011 is fixedly connected with the side plate 503, the outer wall of the inserting rod 609 is sleeved with a second return spring 6012, and one side of the second return spring 6012 is connected with a limiting plate 6013, the limiting plate 6013 is fixedly connected to the outer wall of the inserted link 609, a baffle 6014 is installed on one side of the inserted link 609, and the baffle 6014 is fixedly connected to the inside of the installation base 3.
In the present embodiment, the elastic force of the second return spring 6012 causes the insertion rod 609 to return to the inside of the side plate 503, so that the insertion rod 609 is accommodated inside the side plate 503.
Further, the movable plate 605 forms a sliding structure with the side plate 503 through the first sliding block 606 and the first sliding groove 607, and the movable plate 605 forms a transmission structure with the insert rod 609 through the abutting block 608.
In this embodiment, the second return spring 6012 is disposed on the outer wall of the plug pin 609, so that when the plug pin 609 is pressed, the second return spring 6012 is compressed, thereby facilitating the stability of the installation of the plug pin 609.
Further, the insert rod 609 forms a sliding structure with the side plate 503 through the second sliding groove 6010 and the second sliding block 6011, and the side plate 503 forms an elastic structure with the limiting plate 6013 through the second return spring 6012.
In this embodiment, the limiting plate 6013 is disposed on one side of the second return spring 6012, so that the insert rod 609 is reset more accurately, and the accuracy of the movement between the abutting block 608 and the insert rod 609 is ensured.
The utility model discloses a theory of operation and use flow: when the device is used, the hand-screwing screw 603 is rotated, under the action of fixing the position of the first bearing 602, the hand-screwing screw 603 drives the movable plate 605 to lift through the second bearing 604, so that the movable plate 605 downwards extrudes the inserted rod 609, the inserted rod 609 outwards moves through the second sliding groove 6010 and the second sliding block 6011, a user can conveniently install the installation base 3 through the inserted rod 609, the user can quickly install the installation base 3 by operating at the top of the side plate 503, the device can be conveniently installed in a small space, after the installation base 3 is fixed, the shell 1 and the sensing head 2 are fixed at the top end of the installation base 3, the side plate 503 is fixedly installed at the outer side of the installation base 3, under the elastic action of the first return spring 502, the protection plate 501 always protects and supports the shell 1 at the outer wall of the shell 1, and the working quality of the shell 1 is ensured, improve the sensitivity of sensing head 2 at the during operation, through one side fixed mounting gear board 504 at guard plate 501, under the effect of toothed disc 505, make the gear board 504 atress activity that the symmetry set up, guaranteed the unity of casing 1 both sides protective effect, just so accomplished the utility model discloses a theory of operation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A poisonous and harmful gas sensing device with high testing sensitivity comprises a shell (1), and is characterized in that: the sensing head (2) is fixedly installed at the top end of the shell (1), the bottom end of the shell (1) is fixedly connected with an installation base (3), the bottom end of the installation base (3) is fixedly installed with a connecting needle (4), the top of the installation base (3) is connected with a protection mechanism (5), the protection mechanism (5) comprises a protection plate (501), the protection plate (501) is installed on the outer wall of the shell (1), a first reset spring (502) is fixedly connected to the outer side of the protection plate (501), a side plate (503) is fixedly installed on the other side of the first reset spring (502), the side plate (503) is fixedly connected to the outer side of the installation base (3), a gear plate (504) is fixedly connected to the other side of the protection plate (501), a gear plate (505) is meshed with the bottom end of the gear plate (504), and a rotating shaft (506) is installed inside the gear plate (505), and the bottom of the rotating shaft (506) is provided with a vertical plate (507), the bottom end of the vertical plate (507) is fixedly connected with the top end of the mounting base (3), and the top of the side plate (503) is provided with a mounting plugging mechanism (6).
2. A toxic and harmful gas sensor device with high test sensitivity according to claim 1, wherein: the protection plate (501) forms an elastic structure between the first return spring (502) and the side plate (503), and the protection plate (501) is symmetrically provided with two groups relative to the central axis of the mounting base (3).
3. A toxic and harmful gas sensor device with high test sensitivity according to claim 1, wherein: the rotating shaft (506) and the gear plate (504) form a transmission structure through the gear disc (505), and the gear disc (505) and the vertical plate (507) form a movable structure through the rotating shaft (506).
4. A toxic and harmful gas sensor device with high test sensitivity according to claim 1, wherein: the mounting and inserting mechanism (6) comprises a fixing plate (601) inside, the fixing plate (601) is fixedly mounted inside a side plate (503), a first bearing (602) is connected inside the fixing plate (601), a hand-screwed screw (603) is in threaded connection with the inner wall of the first bearing (602), a second bearing (604) is sleeved at the bottom of the hand-screwed screw (603), a movable plate (605) is connected with the outer wall of the second bearing (604), a first sliding block (606) is fixedly mounted on the outer wall of the movable plate (605), a first sliding groove (607) is in sliding connection with the outer wall of the first sliding block (606), the first sliding groove (607) is formed in the inner wall of the side plate (503), a supporting block (608) is fixedly mounted at the bottom end of the movable plate (605), an inserting rod (609) is connected to the bottom end of the supporting block (608) in a fitting manner, and a second sliding groove (6010) is formed in the positive end face of the inserting rod (609), and the inner wall sliding connection of second spout (6010) has second slider (6011), and second slider (6011) is fixed connection with curb plate (503), the outer wall cover of inserted bar (609) is equipped with second reset spring (6012), and one side of second reset spring (6012) is connected with limiting plate (6013), and limiting plate (6013) is at the outer wall fixed connection of inserted bar (609), baffle (6014) are installed to one side of inserted bar (609), and baffle (6014) are at the inside fixed connection of installation base (3).
5. A toxic and harmful gas sensor device with high test sensitivity according to claim 4, wherein: the movable plate (605) forms a sliding structure with the side plate (503) through the first sliding block (606), the first sliding groove (607), and the movable plate (605) forms a transmission structure with the inserted link (609) through the abutting block (608).
6. A toxic and harmful gas sensor device with high test sensitivity according to claim 4, wherein: the inserted link (609) forms a sliding structure through the second sliding chute (6010), the second sliding block (6011) and the side plate (503), and the side plate (503) forms an elastic structure through the second return spring (6012) and the limiting plate (6013).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804723.2U CN214668930U (en) | 2021-04-20 | 2021-04-20 | Poisonous and harmful gas sensing device with high testing sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804723.2U CN214668930U (en) | 2021-04-20 | 2021-04-20 | Poisonous and harmful gas sensing device with high testing sensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214668930U true CN214668930U (en) | 2021-11-09 |
Family
ID=78464709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120804723.2U Expired - Fee Related CN214668930U (en) | 2021-04-20 | 2021-04-20 | Poisonous and harmful gas sensing device with high testing sensitivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214668930U (en) |
-
2021
- 2021-04-20 CN CN202120804723.2U patent/CN214668930U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |