CN206818743U - Pitot-static tube - Google Patents
Pitot-static tube Download PDFInfo
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- CN206818743U CN206818743U CN201720633492.7U CN201720633492U CN206818743U CN 206818743 U CN206818743 U CN 206818743U CN 201720633492 U CN201720633492 U CN 201720633492U CN 206818743 U CN206818743 U CN 206818743U
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Abstract
This application discloses Pitot-static tube.Pitot-static tube includes：Front end sleeve pipe is cased with outside the pressure pipe of front end, the pressure port of front end pressure pipe stretches out the front end of front end sleeve pipe, and the rear end of front end sleeve pipe is provided with rear end end cap, and the rear end end cap of front end sleeve pipe is fixed in the rear end of front end pressure pipe, a kind of joint formed in positive and negative joint；Aft end sleeve is cased with outside the pressure pipe of rear end, the front end of aft end sleeve is provided with front end end cap, and the front end end cap of aft end sleeve is fixed in the front end of rear end pressure pipe, another joint formed in positive and negative joint；An end cap in the rear end end cap of front end sleeve pipe and the front end end cap of aft end sleeve is fixedly connected on residing internal surface of sleeve pipe, and another end cap is rotationally connected with residing internal surface of sleeve pipe by bearing；The front end of aft end sleeve is threadedly coupled with the rear end of front end sleeve pipe.The split type Pitot-static tube is easy for installation, save travel during because overlength carry and caused expense.
Description
Technical field
The application is related to logistlcs technology field, and in particular to material flows automation technical field, more particularly to Pitot-static tube.
Background technology
Pitot-static tube is a kind of device that air-flow stagnation pressure is measured using Pitot tube principle, is mainly used in measuring the wind inside air channel
Pressure value.Using principle of differential pressure, goed deep into by the pressure port of pressure tube head to air channel, receive washing away for air-flow.Windward side
Receive the static pressure inside the dynamic pressure and air channel of air-flow, leeward side receives the static pressure inside air channel.Two pressure pipes are by visiting
Aculeata is drawn, and accesses differential manometer.Pass through pressure difference, you can calculate the wind pressure value inside exhaust passage.
Prior art employs one piece rigid structure mostly, can not be split.Pressure pipe stretches out from pipette tips portion is surveyed, and divides total head
Side and back pressure side (namely windward side and leeward side), sleeve pipe is cased with outside outside, for keeping in overall rigidity and protection
Portion's structure.
However, existing monoblock type Pitot-static tube, length is about between 1~3 meter, it is impossible to random adjustment length.It can not fit
Answer the air channel of different cross section size.Meanwhile during on-site service personnel goes to job site by company location, as super
Long part can not be carried with, and need to handle delivery or be handed to job site soon in advance, directly increase the construction cost of debugging maintenance.
Utility model content
The purpose of the application is to propose a kind of improved Pitot-static tube, to solve the technology that background section above is mentioned
Problem.
The embodiment of the present application provides a kind of Pitot-static tube, and Pitot-static tube includes：Front end rigion and rear end section；Front end rigion includes front end
Pressure pipe and front end sleeve pipe, front end sleeve pipe is cased with outside the pressure pipe of front end, and the pressure port of front end pressure pipe stretches out front end sleeve pipe
Front end, the rear end of front end sleeve pipe are provided with rear end end cap, and the rear end end cap of front end sleeve pipe is fixed in the rear end of front end pressure pipe, are formed
A kind of joint in positive and negative joint；Rear end section includes rear end pressure pipe and aft end sleeve, and rear end set is cased with outside the pressure pipe of rear end
Pipe, the front end of aft end sleeve are provided with front end end cap, and the front end of rear end pressure pipe is fixed on the front end end cap of aft end sleeve, formed just
Another joint in negative joint；An end cap in the rear end end cap of front end sleeve pipe and the front end end cap of aft end sleeve, which is fixed, to be connected
Residing internal surface of sleeve pipe is connected to, another end cap is rotationally connected with residing internal surface of sleeve pipe by bearing；The front end of aft end sleeve
It is threadedly coupled with the rear end of front end sleeve pipe；A kind of joint formed by the rear end end cap of front end sleeve pipe and the front end by aft end sleeve
Another joint grafting that end cap is formed.
In certain embodiments, Pitot-static tube also includes：Interlude；Interlude includes：Middle pressure pipe and intermediate casing, in
Between be cased with intermediate casing outside pressure pipe, the front end of intermediate casing is provided with front end end cap, and the rear end of intermediate casing is provided with rear end end
Lid, the front end of middle pressure pipe are fixed in the front end end cap of intermediate casing, another joint formed in positive and negative joint, middle
The rear end of pressure pipe is fixed in the rear end end cap of intermediate casing, a kind of joint formed in positive and negative joint；Before intermediate casing
Hold end cap and the connected mode of internal surface of sleeve pipe and the front end end cap of aft end sleeve identical with the connected mode of internal surface of sleeve pipe, intermediate sleeve
The rear end end cap of pipe and the connected mode of residing internal surface of sleeve pipe and the rear end end cap of front end sleeve pipe and residing internal surface of sleeve pipe
Connected mode is identical；The front end of aft end sleeve is threadedly coupled by the both ends of intermediate casing respectively with the rear end of front end sleeve pipe；By
A kind of joint that the rear end end cap of front end sleeve pipe is formed and another joint that is formed by the front end end cap of aft end sleeve are in
Between pressure pipe front-end and back-end formed positive and negative joint grafting.
In certain embodiments, the rear end end cap of front end sleeve pipe is fixed in the rear end of front end pressure pipe, forms positive and negative joint
In a kind of joint include：The rear end of front end pressure pipe, which is fixed in the rear end end cap of front end sleeve pipe, forms negative joint；After and
The front end end cap of aft end sleeve is fixed in the front end of end pressure pipe, and another joint formed in positive and negative joint includes：Rear end takes
The front end of pressure pipe, which is fixed and stretches out the front end end cap of aft end sleeve, forms positive joint.
In certain embodiments, the rear end end cap of front end sleeve pipe is fixed in the rear end of front end pressure pipe, forms positive and negative joint
In a kind of joint include：The rear end of front end pressure pipe, which is fixed and stretches out the rear end end cap of front end sleeve pipe, forms positive joint；And
The front end end cap of aft end sleeve is fixed in the front end of rear end pressure pipe, and another joint formed in positive and negative joint includes：Rear end
The front end of pressure pipe, which is fixed in the front end end cap of aft end sleeve, forms negative joint.
In certain embodiments, an end cap in the rear end end cap of front end sleeve pipe and the front end end cap of aft end sleeve is fixed
Residing internal surface of sleeve pipe is connected to, another end cap is rotationally connected with residing internal surface of sleeve pipe by bearing to be included：Front end sleeve pipe
Rear end end cap be fixedly connected on internal surface of sleeve pipe, the front end end cap of aft end sleeve is rotationally connected with internal surface of sleeve pipe by bearing；Or
The rear end end cap of front end sleeve pipe is rotationally connected with internal surface of sleeve pipe by bearing, and the front end end cap of aft end sleeve is fixedly connected on sleeve pipe
Inwall.
In certain embodiments, the front end of aft end sleeve be threadedly coupled with the rear end of front end sleeve pipe including：Aft end sleeve
Front end is provided with external screw thread, and the rear end of front end sleeve pipe is provided with the internal thread being adapted with external screw thread；Or the front end of aft end sleeve is provided with
Internal thread, the rear end of front end sleeve pipe are provided with the external screw thread being adapted with external screw thread.
In certain embodiments, Pitot-static tube also includes：Sealing ring, located at front end pressure pipe and the abutting of rear end pressure pipe
Place；And/or handle, located at the rear end of aft end sleeve.
In certain embodiments, Pitot-static tube also includes：Sealing ring, located at front end pressure pipe, middle pressure pipe and rear end
In pressure pipe at the abutting of any two pressure pipe；And/or handle, located at the rear end of aft end sleeve.
In certain embodiments, rear end pressure pipe stretches out the leading part connection pressure gauge of the rear end of aft end sleeve.
The Pitot-static tube that the above embodiments of the present application provide, due to setting in front end end cap or rear end end cap and residing sleeve pipe
Wall is rotatablely connected by bearing, can be while front end sleeve pipe and aft end sleeve rotation installation, and front end pressure pipe and rear end take
Pressure pipe remains stationary as and the connection that offsets, therefore easy for installation, and split-type design is saved during travel because overlength is taken
Band and caused expense, and as a result of positive and negative joint, improve the efficiency that joint is connected.
According to some embodiments, Pitot-static tube can also include interlude, so as to by interlude connect front end rigion and
Rear end section, so as to arbitrarily increase and decrease middle segment number according to the cross sectional shape in air channel or flue, integrally grown with reaching Pitot-static tube
The change and adaptation of degree, save repetition make different length probe expense and travel during because overlength carry and produce
Raw expense.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 a show the exemplary block diagram of one embodiment of the Pitot-static tube according to the embodiment of the present application；
Fig. 1 b show the assembling figure of the Pitot-static tube in Fig. 1 a；
Fig. 1 c show the partial enlarged drawing at the I of the Pitot-static tube in Fig. 1 b；
Fig. 2 a show the exemplary block diagram of another embodiment of the Pitot-static tube according to the embodiment of the present application；
Fig. 2 b show the assembling figure of the Pitot-static tube in Fig. 2 a；
Fig. 2 c show the partial enlarged drawing at the II of the Pitot-static tube in Fig. 2 b.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to the utility model.Further need exist for illustrating
, for the ease of description, illustrate only in accompanying drawing to about the related part of utility model.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Below in conjunction with Fig. 1 a, Fig. 1 b and Fig. 1 c, one embodiment of the Pitot-static tube of the application is described.Wherein, scheme
1a shows an exemplary block diagram of the Pitot-static tube according to the embodiment of the present application；Fig. 1 b show the Pitot-static tube in Fig. 1 a
Assembling figure；Fig. 1 c show the partial enlarged drawing at the I of the Pitot-static tube in Fig. 1 b.
As illustrated in figs. 1A and ib, the Pitot-static tube of the embodiment of the present application includes：Front end rigion and rear end section.Front end rigion includes：
Front end pressure pipe 115 and front end sleeve pipe 110.Rear end section includes：Rear end pressure pipe 125 and aft end sleeve 120.
Wherein, front end sleeve pipe 110 is cased with outside front end pressure pipe 115, the pressure port of front end pressure pipe 115 stretches out front end sleeve
The front end of pipe 110；Aft end sleeve 120 is cased with outside rear end pressure pipe 125.
As illustrated in figure 1 c, the front end of aft end sleeve 120 is threadedly coupled with the rear end of front end sleeve pipe 110；Front end sleeve pipe 110
Rear end is provided with rear end end cap 111, and the front end of aft end sleeve 120 is provided with front end end cap 121, the rear end end cap 111 of front end sleeve pipe 110
The internal surface of sleeve pipe of the rear end of front end sleeve pipe 110 is fixedly connected on, the front end end cap 121 of aft end sleeve 120 is rotated by bearing 122
It is connected to the internal surface of sleeve pipe of the front end of aft end sleeve 120；Front end pressure pipe 115 is fixed on the rear end end cap 111 of front end sleeve pipe 110
In to form negative joint, rear end pressure pipe 125 is fixed in the front end end cap 121 of aft end sleeve 120 to form positive joint, when after
When the front end of end sleeve pipe 120 is threadedly coupled with the rear end of front end sleeve pipe 110, positive joint and negative joint grafting.
In the present embodiment, using modularized design, Pitot-static tube is revised as by monoblock type split type：Set front end rigion and
Each 1 of rear end section.After split, each section can independently preserve carrying.In use, after the screw thread and front end rigion of the front end of rear end section
The thread connection at end, it is assembled into survey rifle.
At work, front end rigion can be goed deep into air channel.In the presence of air-flow, the front end for stretching out front end sleeve pipe takes
Windward, back pressure side back wind, differential manometer can be connected by stretching out the rear end pressure pipe of aft end sleeve, aft end sleeve for the total head side of pressure pipe
Rear end can set handle, stretch into inside air channel the front end rigion for surveying rifle by operating personnel's gripping handle, carry out the measurement of blast.
When front end rigion and rear end section assemble, fixed front end rigion, the rear end pressure pipe 125 of the front end of aft end sleeve 120 is inserted
In the circular hole for entering the negative joint formed by the rear end end cap 111 of front end pressure pipe 115 and front end sleeve pipe 110.Aft end sleeve simultaneously
The external screw thread of 120 front end, start to contact and screw in the internal thread of the rear end of front end sleeve pipe 110.While screw thread engages,
The inner ring of rear end pressure pipe 125 and bearing 122 remains stationary as an entirety, and aft end sleeve 120 rotates, before screw-in
Hold inside sleeve pipe 110.Under the connection function of screw thread, front end rigion forms rigid entirety with rear end section.
It should be appreciated that in the Pitot-static tube as shown in figure 1 above c, front end is fixed in the rear end for presenting front end pressure pipe 115
Negative joint is formed in the rear end end cap of sleeve pipe 110；The front end of rear end pressure pipe 125 is fixed and stretches out the front end of aft end sleeve 120
End cap forms the embodiment of positive joint, but the embodiment is only the exemplary embodiment for the Pitot-static tube that the application provides, not generation
Restriction of the table to the application, for example, the rear end of front end pressure pipe 115 can also be fixed and stretch out the rear end end of front end sleeve pipe 110
Cap-shaped is into positive joint, and the front end of rear end pressure pipe 125 can be fixed in the front end end cap of aft end sleeve 120 and form negative connect
Head.
Similarly, in the Pitot-static tube as shown in figure 1 above c, the rear end end cap 111 for presenting front end sleeve pipe 110 is fixedly connected
In internal surface of sleeve pipe, the front end end cap 121 of aft end sleeve 120 is rotationally connected with the embodiment of internal surface of sleeve pipe by bearing 122, but should
Embodiment is only the exemplary embodiment for the Pitot-static tube that the application provides, and the restriction to the application is not represented, for example, front end sleeve
The rear end end cap of pipe 110 can be rotationally connected with internal surface of sleeve pipe by bearing, and the front end end cap of aft end sleeve 120 can be fixed
It is connected to internal surface of sleeve pipe.
Similarly, in the Pitot-static tube as shown in figure 1 above c, the front end for presenting aft end sleeve 120 is provided with external screw thread, front end sleeve
The rear end of pipe 110 is provided with the embodiment for the internal thread being adapted with external screw thread, but the embodiment is only the wind speed that the application provides
The exemplary embodiment of pipe, the restriction to the application is not represented, for example, the front end of aft end sleeve 120 is provided with internal thread, front end
The rear end of sleeve pipe 110 is provided with the external screw thread being adapted with internal thread.
The Pitot-static tube that above-described embodiment of the application provides, it is interior while in front end, sleeve pipe and aft end sleeve rotation are installed
Portion's pressure pipe can be remained stationary as and sealed, can save during travel because overlength carries and caused expense.
With further reference to Fig. 2 a, Fig. 2 b and Fig. 2 c, another embodiment of the Pitot-static tube of the embodiment of the present application is retouched
State.Wherein, Fig. 2 a show the exemplary architecture figure of another embodiment of the Pitot-static tube according to the embodiment of the present application, and Fig. 2 b show
The assembling figure of the Pitot-static tube gone out in Fig. 2 a；Fig. 2 c show the partial enlarged drawing at the II of the Pitot-static tube in Fig. 2 b.
As shown in Fig. 2 a, Fig. 2 b and Fig. 2 c, Pitot-static tube includes：Front end rigion, interlude and rear end section.
In the present embodiment, front end rigion includes：Front end pressure pipe 215 and front end sleeve pipe 210, outside front end pressure pipe 215
Front end sleeve pipe 210 is cased with, the pressure port of front end pressure pipe 215 stretches out the front end of front end sleeve pipe 210；Front end pressure pipe 215 takes
Hole is pressed to stretch out the front end of front end sleeve pipe, the rear end of front end sleeve pipe 210 is provided with rear end end cap 211, and the rear end of front end pressure pipe 215 is consolidated
Due to the rear end end cap 211 of front end sleeve pipe 210, a kind of joint formed in positive and negative joint.
Interlude includes：Middle pressure pipe 235 and intermediate casing 230；Intermediate casing is cased with outside middle pressure pipe 235
230, the front end of intermediate casing 230 is provided with front end end cap, and the rear end of intermediate casing 230 is provided with rear end end cap, middle pressure pipe 235
Front end be fixed in the front end end cap of intermediate casing, another joint formed in positive and negative joint, after middle pressure pipe 235
End is fixed in the rear end end cap of intermediate casing, a kind of joint formed in positive and negative joint.
Rear end section includes：Rear end pressure pipe 225 and aft end sleeve 220, aft end sleeve is cased with outside rear end pressure pipe 225
220, the front end of aft end sleeve 220 is provided with front end end cap, and the front end end cap of aft end sleeve, shape are fixed in the front end of rear end pressure pipe
Into another joint in positive and negative joint.
An end cap in the rear end end cap 211 of front end sleeve pipe 210 and the front end end cap of aft end sleeve 220 is fixedly connected on
Residing internal surface of sleeve pipe, another is rotationally connected with residing internal surface of sleeve pipe by bearing.The front end end cap of intermediate casing 230
231 is identical with the connected mode of internal surface of sleeve pipe with the connected mode of internal surface of sleeve pipe and the front end end cap of aft end sleeve 220, intermediate sleeve
The rear end end cap of pipe 230 and the connected mode of residing internal surface of sleeve pipe and the rear end end cap 211 of front end sleeve pipe 210 and residing set
The connected mode of inside pipe wall is identical.
Any in front end rigion, interlude and rear end section is additionally provided with sealing ring 240 between two sections, is taken located at any two sections
At the abutting of pressure pipe.Alternatively or additionally, rear end section is also provided with handle 250.Rear end pressure pipe 225 stretches out aft end sleeve
220 rear end and connection pressure gauge.
In the present embodiment, the screw thread at the both ends of intermediate casing 230 respectively with the screw thread of the rear end of front end sleeve pipe 210 and after
The screw thread of the front end of sleeve pipe 220 is held to be adapted.For example, the rear end of front end sleeve pipe 210 is internal thread, then before aft end sleeve 220
Hold as external screw thread, the front end of intermediate casing 230 is external screw thread, and the rear end of intermediate casing is internal thread.The front end of aft end sleeve 220
It is threadedly coupled respectively by the both ends of intermediate casing 230 with the rear end of front end sleeve pipe 210.
The front end of intermediate casing 230 is provided with front end end cap 231, and the rear end of intermediate casing 230 is provided with rear end end cap；Centre takes
The positive and negative joint that the both ends of pressure pipe 235 and the end cap at the both ends of intermediate casing 230 are formed respectively, respectively with after front end sleeve pipe 210
The positive and negative joint formed in the front end end cap of end end cap 211 and aft end sleeve 220 is adapted.For example, after front end sleeve pipe 210
The joint for holding end cap 211 to be formed is negative joint, then the joint that the front end end cap of aft end sleeve 220 is formed is positive joint, then in
Between pressure pipe 235 both ends formed positive and negative joint be respectively：The front end of middle pressure pipe 235 forms positive joint, with front end sleeve
The negative joint that the rear end end cap 211 of pipe 210 is formed is adapted；The rear end of middle pressure pipe 235 forms negative joint, with aft end sleeve
The positive joint that 220 front end end cap is formed is adapted.That is, a kind of joint for being formed by the rear end end cap of front end sleeve pipe 210 and
Formed respectively by the front-end and back-end of middle pressure pipe 235 by another joint that the front end end cap of aft end sleeve 220 is formed
Positive and negative joint grafting.
It should be appreciated that in Pitot-static tube as shown in Figure 2 c, the rear end for exemplarily presenting front end pressure pipe 215 is fixed
Negative joint is formed in the rear end end cap 211 of front end sleeve pipe 210；The front end of middle pressure pipe 235 is fixed and stretches out intermediate casing
Front end end cap form the embodiment of positive joint, but the embodiment does not represent the restriction to the application, for example, being carried in the application
In some embodiments of the Pitot-static tube of confession, the rear end of front end pressure pipe 215 can also be fixed and stretch out the rear end of front end sleeve pipe 210
Cap-shaped is into positive joint, and the front end of middle pressure pipe 235 is fixed in the front end end cap of intermediate casing 230 and forms negative joint.
Similarly, in Pitot-static tube as shown in Figure 2 c, the rear end end cap 211 for exemplarily presenting front end sleeve pipe 210 is solid
Surely internal surface of sleeve pipe is connected to, the front end end cap 231 of intermediate casing 230 is rotationally connected with the implementation of internal surface of sleeve pipe by bearing 232
Example, but the embodiment does not represent the restriction to the application, for example, in some embodiments for the Pitot-static tube that the application provides,
The rear end end cap 211 of front end sleeve pipe 210 can be rotationally connected with internal surface of sleeve pipe by bearing, and the front end end of intermediate casing 230
Lid 232 can be fixedly connected on internal surface of sleeve pipe.
Similarly, in Pitot-static tube as shown in Figure 2 c, the front end for exemplarily presenting intermediate casing 230 is provided with outer spiral shell
Line, the rear end of front end sleeve pipe 210 is provided with the embodiment for the internal thread being adapted with external screw thread, but the embodiment is not represented to this
The restriction of application, for example, in some embodiments for the Pitot-static tube that the application provides, the front end of intermediate casing 230 can be provided with
Internal thread, the rear end of front end sleeve pipe 210 can be provided with the external screw thread being adapted with internal thread.
Pitot-static tube in the present embodiment, using modularized design, Pitot-static tube is revised as by monoblock type split type：Before setting
Hold section, interlude and rear end section.After split, each section can independently preserve carrying.In use, the screw thread of the front end of posterior segmentation
With the thread connection of the rear end of preceding segmentation, survey rifle is assembled into.
When front end rigion, interlude and rear end section assemble, can be assembled successively from front to back or from rear to preceding.Under
Face, exemplified by from front to back, the assembling to front end rigion, interlude and rear end section is described.
When front end rigion and interlude assemble, fixed front end rigion, by the rear end of front end pressure pipe 215 and front end sleeve pipe 210
Rear end end cap 211 formed negative joint circular hole in, be put into sealing ring 240, then the middle pressure by the front end of intermediate casing 230
Pipe 235, insert in the circular hole at the place of sealing ring 240.The external screw thread of the front end of intermediate casing 230 simultaneously, with front end sleeve pipe 210
The internal thread of rear end starts to contact and screwed in.While screw thread engages, the inner ring conduct of middle pressure pipe 235 and bearing 232
One entirety remains stationary as, and intermediate casing 230 rotates, and screws in inside front end sleeve pipe 210.In the connection function of screw thread
Under, front end rigion forms the section that is rigidly connected with interlude.
When will be rigidly connected section and rear end section assemble, the fixed section that is rigidly connected, by the middle rear end of pressure pipe 235 with
Between sleeve pipe 230 the circular hole of negative joint that is formed of rear end end cap 211 in, be put into sealing ring 240, then by the front end of aft end sleeve 220
Rear end pressure pipe 225, insertion be put into the circular hole of sealing ring 240.The external screw thread of the front end of aft end sleeve 220 simultaneously, with
The internal thread of the rear end of intermediate casing 230 starts to contact and screwed in.While screw thread engages, rear end pressure pipe 225 and bearing
Inner ring remained stationary as an entirety, aft end sleeve 220 rotates, screw in intermediate casing 230 inside.In screw thread
Under connection function, the section that is rigidly connected forms rigid entirety with rear end section.
At work, front end rigion can be goed deep into air channel.In the presence of air-flow, the front end for stretching out front end sleeve pipe takes
Windward, back pressure side back wind, differential manometer can be connected by stretching out the rear end pressure pipe of aft end sleeve, aft end sleeve for the total head side of pressure pipe
Rear end sets handle, stretches into inside air channel the front end rigion for surveying rifle by operating personnel's gripping handle, carries out the measurement of blast.
It further comprises unlike the embodiment shown in Fig. 1, in the present embodiment for connecting front end rigion and rear end section
Interlude.Here the quantity of interlude can be one or more.If interlude to be multiple, can by multiple interludes according to
The structure that secondary series winding is formed is considered as a longer interlude.
The Pitot-static tube that the above embodiments of the present application provide, front end sleeve pipe, intermediate casing and aft end sleeve rotation are installed same
When, front end pressure pipe, middle pressure pipe and rear end pressure pipe can be remained stationary as and sealed using sealing ring, according to construction air channel
Or the cross sectional shape of flue, it can arbitrarily increase and decrease the quantity of interlude, to reach the change and adaptation of surveying rifle entire length, save
Repeat to make the process of different length probe, and save during travel because overlength carries and caused expense.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that utility model scope involved in the application, however it is not limited to what the particular combination of above-mentioned technical characteristic formed
Technical scheme, while should also cover in the case where not departing from the design of above-mentioned utility model, by above-mentioned technical characteristic or its be equal
Other technical schemes that feature is combined and formed.Such as features described above has with (but not limited to) disclosed herein
The technical scheme that the technical characteristic for having similar functions is replaced mutually and formed.
Claims (9)
1. a kind of Pitot-static tube, it is characterised in that the Pitot-static tube includes：Front end rigion and rear end section；
The front end rigion includes front end pressure pipe and front end sleeve pipe, and the front end sleeve pipe, institute are cased with outside the front end pressure pipe
The pressure port for stating front end pressure pipe stretches out the front end of the front end sleeve pipe, and the rear end of the front end sleeve pipe is provided with rear end end cap, institute
The rear end end cap of the front end sleeve pipe, a kind of joint formed in positive and negative joint are fixed in the rear end for stating front end pressure pipe；
The rear end section includes rear end pressure pipe and aft end sleeve, and the aft end sleeve, institute are cased with outside the rear end pressure pipe
The front end for stating aft end sleeve is provided with front end end cap, and the front end end of the aft end sleeve is fixed in the front end of the rear end pressure pipe
Lid, another joint formed in the positive and negative joint；
An end cap in the rear end end cap of the front end sleeve pipe and the front end end cap of the aft end sleeve is fixedly connected on residing
Internal surface of sleeve pipe, another end cap is rotationally connected with residing internal surface of sleeve pipe by bearing；
The front end of the aft end sleeve is threadedly coupled with the rear end of the front end sleeve pipe；
A kind of joint for being formed by the rear end end cap of the front end sleeve pipe and formed by the front end end cap of the aft end sleeve another
A kind of joint grafting.
2. Pitot-static tube according to claim 1, it is characterised in that the Pitot-static tube also includes：Interlude；
The interlude includes：Middle pressure pipe and intermediate casing, the intermediate casing, institute are cased with outside the middle pressure pipe
The front end for stating intermediate casing is provided with the front end end cap, and the rear end of the intermediate casing is provided with the rear end end cap, the centre
The front end of pressure pipe is fixed in the front end end cap of the intermediate casing, and the another kind formed in the positive and negative joint connects
Head, the rear end of the middle pressure pipe are fixed in the rear end end cap of the intermediate casing, are formed in the positive and negative joint
A kind of joint；
The front end end cap of the intermediate casing and the connected mode of described internal surface of sleeve pipe and the front end end cap of the aft end sleeve
It is identical with the connected mode of described internal surface of sleeve pipe, the connection side of the rear end end cap of the intermediate casing and residing internal surface of sleeve pipe
Formula is identical with the connected mode of residing internal surface of sleeve pipe with the rear end end cap of the front end sleeve pipe；
The front end of the aft end sleeve is threadedly coupled by the both ends of the intermediate casing respectively with the rear end of the front end sleeve pipe；
A kind of joint for being formed by the rear end end cap of the front end sleeve pipe and formed by the front end end cap of the aft end sleeve another
The positive and negative joint grafting that a kind of joint is formed by the front-end and back-end of the middle pressure pipe.
3. Pitot-static tube according to claim 1, it is characterised in that the front end is fixed in the rear end of the front end pressure pipe
The rear end end cap of sleeve pipe, a kind of joint formed in positive and negative joint include：The rear end of the front end pressure pipe be fixed on it is described before
Hold and negative joint is formed in the rear end end cap of sleeve pipe；And
The front end end cap of the aft end sleeve is fixed in the front end of the rear end pressure pipe, is formed another in the positive and negative joint
Kind joint includes：The front end of the rear end pressure pipe is fixed and stretches out the front end end cap of the aft end sleeve, forms positive joint.
4. Pitot-static tube according to claim 1, it is characterised in that the front end is fixed in the rear end of the front end pressure pipe
The rear end end cap of sleeve pipe, a kind of joint formed in positive and negative joint include：The rear end of the front end pressure pipe is fixed and stretches out institute
The rear end end cap for stating front end sleeve pipe forms positive joint；And
The front end end cap of the aft end sleeve is fixed in the front end of the rear end pressure pipe, is formed another in the positive and negative joint
Kind joint includes：The front end of the rear end pressure pipe, which is fixed in the front end end cap of the aft end sleeve, forms negative joint.
5. Pitot-static tube according to claim 1, it is characterised in that the rear end end cap of the front end sleeve pipe and rear end set
An end cap in the front end end cap of pipe is fixedly connected on residing internal surface of sleeve pipe, and another end cap is rotationally connected with by bearing
Residing internal surface of sleeve pipe includes：
The rear end end cap of the front end sleeve pipe is fixedly connected on internal surface of sleeve pipe, and the front end end cap of the aft end sleeve is turned by bearing
It is dynamic to be connected to internal surface of sleeve pipe；Or
The rear end end cap of the front end sleeve pipe is rotationally connected with internal surface of sleeve pipe by bearing, and the front end end cap of the aft end sleeve is consolidated
Surely it is connected to internal surface of sleeve pipe.
6. Pitot-static tube according to claim 1, it is characterised in that the front end of the aft end sleeve and the front end sleeve pipe
Rear end threaded connection includes：
The front end of the aft end sleeve is provided with external screw thread, the rear end of the front end sleeve pipe is provided be adapted with the external screw thread in
Screw thread；Or
The front end of the aft end sleeve is provided with internal thread, and the rear end of the front end sleeve pipe is outer provided with being adapted with the external screw thread
Screw thread.
7. Pitot-static tube according to claim 1, it is characterised in that the Pitot-static tube also includes：
Sealing ring, at the abutting of the front end pressure pipe and the rear end pressure pipe；And/or
Handle, located at the rear end of the aft end sleeve.
8. Pitot-static tube according to claim 2, it is characterised in that the Pitot-static tube also includes：
Sealing ring, any two pressure in the front end pressure pipe, the middle pressure pipe and the rear end pressure pipe
At the abutting of pipe；And/or
Handle, located at the rear end of the aft end sleeve.
9. Pitot-static tube according to claim 1, it is characterised in that after the rear end pressure pipe stretches out the aft end sleeve
The leading part connection pressure gauge at end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633492.7U CN206818743U (en) | 2017-06-02 | 2017-06-02 | Pitot-static tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633492.7U CN206818743U (en) | 2017-06-02 | 2017-06-02 | Pitot-static tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818743U true CN206818743U (en) | 2017-12-29 |
Family
ID=60758755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720633492.7U Active CN206818743U (en) | 2017-06-02 | 2017-06-02 | Pitot-static tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206818743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982906A (en) * | 2017-06-02 | 2018-12-11 | 北京京东尚科信息技术有限公司 | Pitot-static tube |
-
2017
- 2017-06-02 CN CN201720633492.7U patent/CN206818743U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982906A (en) * | 2017-06-02 | 2018-12-11 | 北京京东尚科信息技术有限公司 | Pitot-static tube |
| CN108982906B (en) * | 2017-06-02 | 2024-01-12 | 北京京东尚科信息技术有限公司 | Wind speed pipe |
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