CN220851038U - Gas flow guiding pipe - Google Patents

Abstract

The utility model belongs to the field of gas flow guide pipes, and particularly relates to a gas flow guide pipe which solves the problems of easy displacement and poor protection in the prior art.

Description

Gas flow guiding pipe

Technical Field

The utility model relates to the field of gas flow guiding pipes, in particular to a gas flow guiding pipe.

Background

Currently, gas measurement devices are widely used in the fields of environmental monitoring, industrial production and the like for measuring gas parameters of specific environments, wherein the gas sensors mainly used include electrochemical gas sensors, semiconductor gas sensors, thermocatalytic gas sensors, optical gas sensors and the like, the semiconductor gas sensors and the thermocatalytic gas sensors need to heat measurement units of the sensors, and the heated temperature can directly influence the measurement accuracy of the sensors.

The authorized bulletin number in the prior art is: the utility model discloses a heatable gas flow guide pipe of CN203869933U, which comprises a metal gas flow guide pipe, a heat shrinkage sleeve, a heating resistance wire and a heating controller, wherein the heat shrinkage sleeve is sleeved outside the metal gas flow guide pipe, the heating resistance wire is wound on the outer peripheral side of the heat shrinkage sleeve, and two output ends of the heating controller are respectively connected with two ends of the heating resistance wire.

Disclosure of utility model

The utility model aims to provide a gas flow guide pipe, which solves the problems of easy displacement and poor protection.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gaseous honeycomb duct, includes honeycomb duct body and heat shrinkage bush, the installation piece that all has symmetrical arrangement through screw fixedly connected with in the both ends of heat shrinkage bush, the axis of rotation is installed in the inside rotation of installation piece, the one end of axis of rotation passes through screw fixedly connected with rotation handle, fixed cover is equipped with initiative helical gear on the outer peripheral face of axis of rotation, the inside rotation of installation piece is installed two symmetrical arrangement's threaded rod, two equal thread bush is equipped with the connecting block on the outer peripheral face of threaded rod, two the one end of connecting block is all through screw fixedly connected with sliding block, two the inside of sliding block is all slidingly assembled with the activity ejector pad, two the one end of activity ejector pad is through screw fixedly connected with arc grip block, two the gasket is all installed to the opposite side of arc grip block.

Preferably, the top of two the installation blocks is fixedly connected with an insulation installation plate through screws, a heating controller is installed on the insulation installation plate, heating resistance wires are installed at two ends of the heating controller, and the heating resistance wires are wound on the outer peripheral surface of the heat shrinkage sleeve.

Preferably, driven bevel gears are fixedly sleeved on the outer peripheral surfaces of the two threaded rods, the driving bevel gears are meshed with the two driven bevel gears respectively, and the driving bevel gears drive the two driven bevel gears to rotate simultaneously.

Preferably, the sliding groove is formed in the sliding block, the movable pushing block is connected in the sliding groove in a sliding mode, a spring is welded on one side of the movable pushing block, the other end of the spring is welded on the inner wall of the sliding groove, and the sliding groove supports sliding of the movable block.

Preferably, two symmetrically arranged sliding grooves are formed in the mounting block, the two connecting blocks are respectively and slidably connected in the two sliding grooves, and the two sliding grooves are respectively used for supporting sliding of the two connecting blocks.

Preferably, the inside of two the connecting block has all offered the screw thread groove, two threaded rod respectively threaded connection is in two the inside of screw thread groove, the screw thread groove is used for supporting the rotation of threaded rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the structures such as the connecting block and the arc-shaped clamping plate, the rotary handle is rotated, the rotary shaft is meshed through the gears, the two threaded rods are simultaneously driven to rotate, then, the two sliding blocks are driven to simultaneously move inwards through the connecting block, when the arc-shaped clamping plate contacts the honeycomb duct body, the movable pushing block is driven to be stressed to retract, and the spring gives a reaction force, so that the honeycomb duct body is stably clamped, and the displacement is avoided.

2. According to the utility model, through the arrangement of the structures such as the insulating mounting plate and the heating controller, the heating controller is arranged on the insulating mounting plate, so that the safety is higher, and the insulating mounting plate better supports the heating resistance wire and the heat shrinkage bush, so that the protection performance is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

Fig. 3 is a side view of a mounting block of the present utility model.

In the figure: 1. a draft tube body; 2. a mounting block; 3. an insulating mounting plate; 4. a rotating handle; 5. a rotating shaft; 6. a driving helical gear; 7. driven helical gears; 8. a threaded rod; 9. a connecting block; 10. a sliding block; 11. a movable pushing block; 12. an arc-shaped clamping plate; 13. a heating controller; 14. heating the resistance wire; 15. a heat-shrinkable sleeve; 16. a gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a gas flow guiding pipe comprises a flow guiding pipe body 1 and a heat shrinkage bush 15, the two ends of the heat shrinkage bush 15 are respectively and fixedly connected with symmetrically arranged installation blocks 2 through screws, a rotating shaft 5 is installed in the installation blocks 2 in a rotating mode, one end of each rotating shaft 5 is fixedly connected with a rotating handle 4 through the screws, a driving bevel gear 6 is fixedly sleeved on the outer peripheral surface of each rotating shaft 5, two symmetrically arranged threaded rods 8 are installed in the installation blocks 2 in the installation blocks, connecting blocks 9 are respectively sleeved on the outer peripheral surfaces of the two threaded rods 8 in a threaded mode, one ends of the two connecting blocks 9 are respectively and fixedly connected with a sliding block 10 through screws, movable pushing blocks 11 are respectively and slidingly assembled in the two sliding blocks 10, one ends of each movable pushing block 11 are respectively and fixedly connected with an arc-shaped clamping plate 12 through screws, gaskets 16 are respectively installed on the other sides of the two arc-shaped clamping plates 12, the rotating handles 4 are rotated through the arrangement of the connecting blocks 9, the rotating shafts 5 are meshed through gears, the two threaded rods 8 are simultaneously driven to rotate, then the two sliding blocks 10 are driven to move inwards when the arc-shaped clamping plates 12 are contacted with the flow guiding pipe body 1, the flow guiding pipe is driven by the movable pushing blocks 11, and the spring is prevented from being reversely stressed by the springs, and stable clamping force is avoided.

Referring to fig. 1-2, the top of two installation blocks 2 is connected with an insulation installation plate 3 through screws together, a heating controller 13 is installed on the insulation installation plate 3, heating resistance wires 14 are installed at two ends of the heating controller together, the heating resistance wires 14 are wound on the outer peripheral surface of a heat shrinkage sleeve 15, the heating controller 13 is installed on the insulation installation plate 3 through the arrangement of the insulation installation plate 3, the heating controller 13 and other structures, the safety is higher, and the insulation installation plate 3 supports the heating resistance wires 14 and the heat shrinkage sleeve 15 better, so that the protection performance is improved.

Referring to fig. 1-3, driven bevel gears 7 are fixedly sleeved on the outer peripheral surfaces of two threaded rods 8, the driving bevel gears 6 are respectively meshed with the two driven bevel gears 7, a sliding groove is formed in the sliding block 10, a movable push block 11 is slidably connected in the sliding groove, a spring is welded on one side of the movable push block 11, the other end of the spring is welded on the inner wall of the sliding groove, two symmetrically arranged sliding grooves are formed in the mounting block 2, two connecting blocks 9 are respectively slidably connected in the two sliding grooves, thread grooves are formed in the two connecting blocks 9, and the two threaded rods 8 are respectively in threaded connection with the two thread grooves.

The specific implementation process of the utility model is as follows: the heat shrinkage sleeve 15 is sleeved on the outer peripheral surface of the honeycomb duct body 1, the rotary handle 4 is rotated, the rotary handle 4 drives the rotary shaft 5 to rotate, the rotary shaft 5 drives the driving bevel gear 6 to rotate, the two driven bevel gears 7 are simultaneously driven to rotate, the driven bevel gears 7 drive the threaded rod 8 to rotate, the connecting blocks 9 are driven to move through the thread grooves, the two connecting blocks 9 respectively drive the two sliding blocks 10 to simultaneously move inwards, when the arc-shaped clamping plates 12 contact the honeycomb duct body 1, the movable pushing blocks 11 are driven to retract under the stress, and the springs give a reaction force to stably clamp the honeycomb duct body 1, so that the displacement is avoided;

Further, after the clamping is completed, the heating operation is realized through the heating controller 13 (this is the prior art and is not described in detail here), the heating controller 13 is installed on the insulating installation plate 3, the safety is higher, the supporting force is better, and the insulating installation plate 3 better supports the heating resistance wire 14 and the heat shrinkage sleeve 15, so that the protection performance is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a gaseous honeycomb duct, includes honeycomb duct body (1) and heat shrinkage bush (15), its characterized in that: the utility model discloses a thermal shrinkage bush, including installation piece (2) of heat shrinkage bush (15), installation piece (2) of both ends through screw fixedly connected with symmetrical arrangement, rotation axis (5) are installed in the inside rotation of installation piece (2), screw fixedly connected with rotation handle (4) are passed through to the one end of rotation axis (5), fixed cover is equipped with initiative helical gear (6) on the outer peripheral face of rotation axis (5), threaded rod (8) of two symmetrical arrangement are installed in the inside rotation of installation piece (2), two equal thread bush is equipped with connecting block (9) on the outer peripheral face of threaded rod (8), two the one end of connecting block (9) is all through screw fixedly connected with sliding block (10), two the inside equal sliding fit of sliding block (10) has movable ejector pad (11), the one end of movable ejector pad (11) is through screw fixedly connected with arc grip block (12), two gasket (16) are all installed to the opposite side of arc grip block (12).

2. A gas flow conduit according to claim 1, wherein: the top of two installation piece (2) is connected with insulating mounting panel (3) jointly through screw fixedly, install heating controller (13) on insulating mounting panel (3), heating resistance wire (14) are installed jointly at heating controller's both ends, heating resistance wire (14) twine on the outer peripheral face of pyrocondensation sleeve pipe (15).

3. A gas flow conduit according to claim 1, wherein: the driven bevel gears (7) are fixedly sleeved on the outer peripheral surfaces of the two threaded rods (8), and the driving bevel gears (6) are respectively meshed with the two driven bevel gears (7).

4. A gas flow conduit according to claim 1, wherein: the sliding block is characterized in that a sliding groove is formed in the sliding block (10), the movable pushing block (11) is connected in a sliding mode in the sliding groove, a spring is welded on one side of the movable pushing block (11), and the other end of the spring is welded on the inner wall of the sliding groove.

5. A gas flow conduit according to claim 1, wherein: two symmetrically arranged sliding grooves are formed in the mounting block (2), and the two connecting blocks (9) are respectively and slidably connected to the inner parts of the two sliding grooves.

6. A gas flow conduit according to claim 1, wherein: the inside of two connecting block (9) has all seted up the screw thread groove, two threaded rod (8) respectively threaded connection is in the inside of two the screw thread groove.