CN209559582U - A kind of activated carbon tube connecting tube for air sampler - Google Patents
A kind of activated carbon tube connecting tube for air sampler Download PDFInfo
- Publication number
- CN209559582U CN209559582U CN201920161180.XU CN201920161180U CN209559582U CN 209559582 U CN209559582 U CN 209559582U CN 201920161180 U CN201920161180 U CN 201920161180U CN 209559582 U CN209559582 U CN 209559582U
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- China
- Prior art keywords
- connecting tube
- activated carbon
- grafting cylinder
- tube
- cylinder
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Abstract
The utility model relates to a kind of activated carbon tube connecting tube for air sampler, including the first connecting tube, grafting cylinder and flexible pipe, flexible pipe one end is fixed with for the second connecting tube mating with grafting cylinder and with hardness；Grafting cylinder is equipped with for lock the locking mechanism of the second connecting tube position, locking mechanism include the ring slot being provided in the second connection pipe outer wall, be circumferentially distributed on grafting cylinder peripheral wall and when the second connecting tube is connected to grafting cylinder cylinder bottom the through-hole of face annular groove, be slidably connected in through-hole and drive more clip-connecting rods to be embedded in the driving assembly in annular grooves for synchronous for being embedded in the clip-connecting rod of annular groove, being arranged on grafting cylinder.The program realizes the connection of grafting cylinder and the second connecting tube by locking mechanism, reach the Fast Installation to activated carbon tube in turn, activated carbon tube is installed by being interference fitted using silica gel sheath compared to tradition, the method for the program is more convenient for the dismounting of activated carbon tube.
Description
Technical field
The utility model relates to the technical fields of environment measuring, more particularly, to a kind of active carbon for air sampler
Pipe connected pipe.
Background technique
Air sampler is a kind of portable tools that dust sample is acquired in dust laden air, and it is pre- to be widely used in disease
The health prison of the departments such as anti-, environmental monitoring, labour protection, safety supervision, military affairs, research and teaching, metallurgy, petrochemical industry, railway, building materials
It surveys and evaluates.
The sampling pipe of conventional air sampler includes for connecting and having the first of certain degree of hardness to connect with air sampler
Take over, be interference fitted in the first connecting tube it is open at one end on grafting cylinder, be made for being interference fitted active carbon of silica gel material
Silicone tube, the screw thread of pipe and grafting cylinder are set on grafting cylinder for playing the positioning pipe of support positioning to activated carbon tube.Work as air
After the installation is completed, operator starts air sampler and samples to sample air sampling pipe on sampler, by mounted in activity
Active carbon in charcoal pipe crosses air filtering and is detained dust, then the active carbon weight gain of sampling front and back is calculated with weight method, according to sampling
Volume of air flow is finally converted into air-borne dust concentration mean value in period.
Activated carbon tube is inserted in the opening of flexible pipe one end by above-mentioned technology first when installing activated carbon tube, then will
Positioning pipe by being finally threaded on grafting cylinder again and finishing active carbon on interference fit set to grafting cylinder by the flexible pipe other end
The installation of pipe.But in actual installation process, the internal diameter of flexible pipe is less than the outer diameter of grafting cylinder, so operator will plug
The process of flexible pipe sleeve to the grafting cylinder of active charcoal pipe is cumbersome.
Utility model content
The purpose of the utility model is to provide a kind of activated carbon tube connecting tubes for air sampler, can be conveniently and quick
Ground is installed by activated carbon tube.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of activated carbon tube connecting tube for air sampler, including the first connection for connecting air sampler
It manages, be plugged in the grafting cylinder of first connecting tube one end and the flexible pipe for entangling activated carbon tube, described flexible pipe one end is solid
It is connected with for the second connecting tube mating with grafting cylinder and with hardness；The grafting cylinder is equipped with to be connected for locking second
Take over position locking mechanism, locking mechanism include the ring slot being provided in the second connection pipe outer wall, be circumferentially distributed in it is slotting
On connect cylinder peripheral wall and when the second connecting tube is connected to grafting cylinder cylinder bottom the through-hole of face annular groove, be slidably connected in through-hole and be used for
It is embedded in the clip-connecting rod of annular groove, is arranged on grafting cylinder for the synchronous driving assembly driven in more clip-connecting rod insertion annular grooves.
By using above-mentioned technical proposal, when air sampler need to be sampled, operator will be inserted with grafting first
First connecting tube of cylinder is connected on air sampler, while activated carbon tube is inserted in flexible pipe far from the by interference fit
In the opening of two connecting tube one end, the second connecting tube is inserted in grafting cylinder by subsequent operator again, the ring in the second connecting tube
When groove location and lead to the hole site face, operator drives more clip-connecting rods to be embedded in annular groove simultaneously by driving assembly, i.e., in fact
Show the locking of the second connecting tube position, and then completes the connection between grafting cylinder and activated carbon tube.The program passes through locking
Mechanism realizes the connection of grafting cylinder and the second connecting tube, and then reaches the Fast Installation to activated carbon tube, makes compared to tradition
Activated carbon tube is installed by being interference fitted with silica gel sheath, the method for the program is more convenient for the dismounting of activated carbon tube.
The utility model is further arranged to: described clip-connecting rod one end is pierced by grafting drum outer wall；Driving assembly includes screw thread
The turning set being set on grafting drum outer wall and the first inclined-plane being provided on turning set inner wall, the first inclined-plane is pierced by with clip-connecting rod
One end of grafting drum outer wall contacts, and the first inclined-plane is arranged to the distance between grafting cylinder central axes in gradual change.
By using above-mentioned technical proposal, operator's rotary motion set, turning set will be along grafting under the action of screw thread
The axial direction of cylinder moves, and in the process of moving, the first inclined-plane and clip-connecting rod are pierced by between grafting drum outer wall one end turning set
Spacing gradually change, final first inclined-plane will drive in the synchronous insertion annular grooves of more clip-connecting rods, that is, realize the second company
The locking of position is taken over, and then completes the connection between grafting cylinder and flexible pipe, greatly facilitates the installation behaviour of activated carbon tube
Make.
The utility model is further arranged to: multiple tracks non-slip groove is offered on the outer wall of the turning set.
By using above-mentioned technical proposal, opening up for non-slip groove increases the coefficient of friction of turning set outer wall, increases behaviour
The frictional force that author's hand and turning set outer wall generate when contacting, allows an operator to more easily and quickly rotate pivoted housing.
The utility model is further arranged to: second cooperated with the clip-connecting rod end abutment is equipped in the annular groove tiltedly
Face, the distance between second inclined-plane to the second connecting tube central axes are gradually increased towards the direction close to the first connecting tube.
By using above-mentioned technical proposal, after turning set rotates and clip-connecting rod is driven to be embedded in annular groove, clip-connecting rod is embedded in annular groove
One end will be abutted with the second inclined-plane, operator continue rotary motion set while, the second connecting tube clip-connecting rod and second tiltedly
It will push against under the collective effect in face in the cylinder bottom of grafting cylinder, one improves the stabilization connected between the second connecting tube and grafting cylinder
Property, two also improve the leakproofness between the second connecting tube and grafting cylinder, reduce during subsequent sampling gas from second
The probability of gap leakage between connecting tube and grafting cylinder is conducive to the accuracy for improving air sampler measurement.
The utility model is further arranged to: the cylinder bottom of the grafting cylinder is fixed with one layer and the second connecting tube end abutment
Rubber layer.
By using above-mentioned technical proposal, since rubber layer itself has elasticity, rubber layer is squeezed by the second connecting tube
After pressure, rubber layer is conducive to further increase by deformation occurs and expires the gap filling between the second connecting tube and grafting cylinder
Leakproofness between second connecting tube and grafting cylinder helps to improve the accuracy of air sampler measurement.
The utility model is further arranged to: the inner wall of the through-hole offers limiting slot along through-hole length direction, described
It is fixed with limited block on clamping column outer wall, the limited block is slided and pushed against in limiting slot；It is equipped with and is used in the limiting slot
Drive the spring that fixture block is mobile towards grafting drum outer wall direction.
By using above-mentioned technical proposal, the setting of limiting slot and limited block prevents clip-connecting rod to be detached from from channel.And
The case where setting of spring can be protruded into grafting cylinder to avoid clip-connecting rod and then the second connecting tube is hindered to be inserted into, makes grafting cylinder
Splicing between flexible pipe is more convenient smoothly.
The utility model is further arranged to: the opening of the grafting cylinder towards the second connecting tube is arranged in flaring.
By using above-mentioned technical proposal, the flaring setting of grafting cylinder opening increases the area of grafting cylinder opening,
So that the second connecting tube is more smoothly quickly inserted in grafting cylinder, facilitates operator to the splicing between grafting cylinder and flexible pipe
Operation.
The utility model is further arranged to: the grafting cylinder far from the threaded one end of the first connecting tube be arranged with for pair
Activated carbon tube is supported the positioning pipe of positioning.
By using above-mentioned technical proposal, positioning pipe can play support positioning for activated carbon tube, avoid activity
Charcoal pipe is sagging and influences the normal sample of sampler.
In conclusion the advantageous effects of the utility model are as follows:
1. the setting of locking mechanism enables the first connecting tube and flexible pipe quickly and smoothly completes splicing, that is, realizes work
The Fast Installation of property charcoal pipe；
2. the setting on the second inclined-plane and rubber layer, gas is reduced in sampling process between the second connecting tube and grafting cylinder
The probability of gap leakage is conducive to the accuracy for improving air sampler measurement；
3. the setting of limiting slot, limited block and spring can make the second connecting tube smoothly and be quickly inserted in grafting cylinder.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the schematic cross-sectional view in the utility model at grafting cylinder.
In figure, 1, air sampler；2, the first connecting tube；3, grafting cylinder；4, activated carbon tube；5, flexible pipe；6, positioning pipe；
7, the second connecting tube；8, rubber layer；9, annular groove；10, through-hole；11, clip-connecting rod；12, limiting slot；13, limited block；14, spring；
15, turning set；16, non-slip groove；17, the first inclined-plane；18, the second inclined-plane.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Figures 1 and 2, a kind of activated carbon tube connecting tube for air sampler, including be used for and air sampler 1
Connection and with certain degree of hardness the first connecting tube 2, be interference fitted in the first connecting tube 2 it is open at one end on grafting cylinder 3, grafting
For 3 openings far from the first connecting tube 2 of cylinder in flaring setting, which further includes being made of silica gel material for being interference fitted
The flexible pipe 5 and screw thread of activated carbon tube 4 are set on grafting cylinder 3 for playing the positioning pipe 6 of support positioning to activated carbon tube 4.
When the sampling pipe on air sampler 1 after the installation is completed, operator start air sampler 1 sample air is sampled, by
Active carbon in activated carbon tube 4 crosses air filtering and is detained dust, then the active carbon weight gain of sampling front and back is calculated with weight method,
Air-borne dust concentration mean value is finally converted into according to volume of air flow in the sampling period.
Referring to Fig. 2, flexible pipe 5 is fixedly connected with one section of second mating with grafting cylinder 3 far from 4 one end of activated carbon tube
Connecting tube 7, the second connecting tube 7 equally have certain hardness.The cylinder bottom of grafting cylinder 3 is fixedly connected with one layer of raising leakproofness
Rubber layer 8.A ring slot 9 is offered on second connecting tube, 7 periphery wall, opened up on 3 peripheral wall of grafting cylinder there are four be connected to grafting cylinder 3
The circular through hole 10 of inside and outside wall, four through-holes 10 are uniformly distributed around the axis of grafting cylinder 3, when the second connecting tube 7 is far from flexible pipe 5
One end when being connected to the cylinder bottom of grafting cylinder 3, the position of annular groove 9 is by the position face with four through-holes 10.In four through-holes 10
One is equipped with for being embedded in the clip-connecting rod 11 of 9 inside of annular groove and circular in cross-section, one end of clip-connecting rod 11 is pierced by grafting cylinder 3
Outer wall.10 inner wall of through-hole offers the limiting slot 12 of rectangular in cross-section along the length direction of through-hole 10, and 11 outer wall of clip-connecting rod is solid
It is connected with the limited block 13 of a rectangle, which slides and push against in limiting slot 12.One is equipped in limiting slot 12
Spring 14,14 one end of spring are fixedly connected with fixture block, and 14 other end of spring is fixedly connected with 12 inner wall of limiting slot, the limiting slot 12
Inner wall is one side wall of the limiting slot 12 inside grafting cylinder 3.Spring 14 in normal state, can be such that clip-connecting rod 11 does not protrude into
The inside of grafting cylinder 3 avoids clip-connecting rod 11 and the second connecting tube 7 is hindered to be inserted into the situation in grafting cylinder 3.
Coaxial sleeve is equipped with a turning set 15 on 3 outer wall of grafting cylinder, and 15 outer wall of turning set offers six non-slip grooves 16, and six
Road non-slip groove 16 is uniformly distributed around the axis of turning set 15, and 15 inner wall of turning set and 3 outer wall thread of grafting cylinder cooperate, and turning set
Also circumferential on 15 inner walls to offer first inclined-plane of circle 17, the first inclined-plane 17 is used to be pierced by 3 outer wall of grafting cylinder with clip-connecting rod 11
One end contacts, first inclined-plane 17 to the distance between 15 central axes of turning set towards the direction close to the first connecting tube 2 gradually
Increase.When the second connecting tube 7 is inserted in grafting cylinder 3 and 9 position of annular groove is with 10 position face of through-hole, operator's rotary motion set
15, turning set 15 will move under the action of screw thread towards the direction of the first connecting tube 2, and the first inclined-plane 17 is pierced by with clip-connecting rod 11
The distance of 3 one end of grafting cylinder is gradually reduced, and final clip-connecting rod 11 will be embedded in annular groove 9 and then real under the action of the first inclined-plane 17
Now to the locking of the second connecting tube 7, that is, the connection of grafting cylinder 3 and flexible pipe 5 is realized, makes the installation of activated carbon tube 4 more square
Just quickly.
Second inclined-plane 18 of circle is equipped in annular groove 9, the second inclined-plane 18 is for protruding into one end inside annular groove 9 with clip-connecting rod 11
Contact, the distance between second the 18 to the second connecting tube of inclined-plane, 7 central axes towards close to the first connecting tube 2 direction equally by
It is cumulative big.After clip-connecting rod 11 is embedded in annular groove 9, operator, which can continue rotary motion set 15, makes clip-connecting rod 11 push against the second inclined-plane
18, the second connecting tube 7 will push against the rubber layer 8 on 3 bottoms of grafting cylinder under the collective effect on clip-connecting rod 11 and the second inclined-plane 18,
And then further increase the leakproofness between the second connecting tube 7 and grafting cylinder 3.
The implementation principle of the present embodiment are as follows: the one end of operator by flexible pipe 5 far from the second connecting tube 7 and activated carbon tube 4
The second connecting tube 7 is inserted to inside grafting cylinder 3 again after interference fit is good, when the second connecting tube 7 is inserted in grafting cylinder 3 and annular groove 9
When position and 10 position face of through-hole, operator's rotary motion set 15, turning set 15 will connect under the action of screw thread towards first
The direction of adapter tube 2 moves, and the first inclined-plane 17 is pierced by a distance from 3 one end of grafting cylinder with clip-connecting rod 11 and is gradually reduced, final clip-connecting rod
11 will be embedded in annular groove 9 under the action of the first inclined-plane 17 and then realize the locking to the second connecting tube 7,2 He of the first connecting tube
Flexible pipe 5 completes splicing, that is, realizes the Fast Installation of activated carbon tube 4, and finally positioning pipe 6 is threaded on grafting cylinder 3 again and is tied
The installation of beam activated carbon tube 4 operates.If removing or replacing activated carbon tube 4, operator only needs to screw off positioning pipe 6,
Turning set 15 is reversely rotated again, and clip-connecting rod 11 will be separated under the reset response power of spring 14 with annular groove 9, operator
Take out the second connecting tube 7, flexible pipe 5 and activated carbon tube 4.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of activated carbon tube connecting tube for air sampler, including the first connection for connecting air sampler (1)
Pipe (2) is plugged in the grafting cylinder (3) of the first connecting tube (2) one end and the flexible pipe (5) for entangling activated carbon tube (4),
Be characterized in that: described flexible pipe (5) one end is fixed with for the second connecting tube mating with grafting cylinder (3) and with hardness
(7)；The grafting cylinder (3) is equipped with the locking mechanism for locking the second connecting tube (7) position, and locking mechanism includes being provided with
A ring slot (9) on second connecting tube (7) outer wall is circumferentially distributed on grafting cylinder (3) peripheral wall and when the second connecting tube (7) are supported
The through-hole (10) of face annular groove (9) when being connected to grafting cylinder (3) cylinder bottom is slidably connected in through-hole (10) for being embedded in annular groove (9)
Clip-connecting rod (11), be arranged on grafting cylinder (3) for the synchronous driving group driven in more clip-connecting rods (11) insertions annular groove (9)
Part.
2. a kind of activated carbon tube connecting tube for air sampler according to claim 1, it is characterised in that: the card
It connects column (11) one end and is pierced by grafting cylinder (3) outer wall；Driving assembly includes the turning set that screw thread is set on grafting cylinder (3) outer wall
(15) and the first inclined-plane (17) for being provided on turning set (15) inner wall, the first inclined-plane (17) and clip-connecting rod (11) are pierced by grafting cylinder
(3) one end of outer wall contacts, and the first inclined-plane (17) are arrived the distance between grafting cylinder (3) central axes and are arranged in gradual change.
3. a kind of activated carbon tube connecting tube for air sampler according to claim 2, it is characterised in that: described turn
Multiple tracks non-slip groove (16) are offered on the outer wall of dynamic set (15).
4. a kind of activated carbon tube connecting tube for air sampler according to claim 1, it is characterised in that: the ring
The second inclined-plane (18) cooperated with the clip-connecting rod (11) end abutment, the second inclined-plane (18) to the second connection are equipped in slot (9)
The distance between pipe (7) central axes are gradually increased towards the direction close to the first connecting tube (2).
5. a kind of activated carbon tube connecting tube for air sampler according to claim 4, it is characterised in that: described to insert
The cylinder bottom of connect cylinder (3) is fixed with the rubber layer (8) of one layer with the second connecting tube (7) end abutment.
6. a kind of activated carbon tube connecting tube for air sampler according to claim 1, it is characterised in that: described logical
The inner wall in hole (10) offers limiting slot (12) along through-hole (10) length direction, is fixed with limit on clip-connecting rod (11) outer wall
Block (13), the limited block (13) are slided and are pushed against in limiting slot (12)；It is equipped in the limiting slot (12) and is used for driving card
The block spring (14) mobile towards grafting cylinder (3) outer wall direction.
7. a kind of activated carbon tube connecting tube for air sampler according to claim 1, it is characterised in that: described to insert
The opening of connect cylinder (3) towards the second connecting tube (7) is arranged in flaring.
8. a kind of activated carbon tube connecting tube for air sampler according to claim 1, it is characterised in that: described to insert
Connect cylinder (3) is arranged with the positioning pipe for being supported positioning to activated carbon tube (4) far from the threaded one end of the first connecting tube (2)
(6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920161180.XU CN209559582U (en) | 2019-01-30 | 2019-01-30 | A kind of activated carbon tube connecting tube for air sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920161180.XU CN209559582U (en) | 2019-01-30 | 2019-01-30 | A kind of activated carbon tube connecting tube for air sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209559582U true CN209559582U (en) | 2019-10-29 |
Family
ID=68309904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920161180.XU Expired - Fee Related CN209559582U (en) | 2019-01-30 | 2019-01-30 | A kind of activated carbon tube connecting tube for air sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209559582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433342A (en) * | 2023-12-18 | 2024-01-23 | 江苏海鹏防腐设备有限公司 | Corrosion-resistant plate heat exchanger and heat exchange method thereof |
-
2019
- 2019-01-30 CN CN201920161180.XU patent/CN209559582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433342A (en) * | 2023-12-18 | 2024-01-23 | 江苏海鹏防腐设备有限公司 | Corrosion-resistant plate heat exchanger and heat exchange method thereof |
| CN117433342B (en) * | 2023-12-18 | 2024-03-12 | 江苏海鹏防腐设备有限公司 | Corrosion-resistant plate heat exchanger and heat exchange method thereof |
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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: 20191029 Termination date: 20210130 |