CN207366025U - Saddle water flow indicator - Google Patents
Saddle water flow indicator Download PDFInfo
- Publication number
- CN207366025U CN207366025U CN201721246842.0U CN201721246842U CN207366025U CN 207366025 U CN207366025 U CN 207366025U CN 201721246842 U CN201721246842 U CN 201721246842U CN 207366025 U CN207366025 U CN 207366025U
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- CN
- China
- Prior art keywords
- drive link
- water flow
- microswitch
- base
- flow indicator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of saddle water flow indicator, including base, it is installed on the microswitch of base, dust cover, drive link is hinged with the base, one end of the drive link is provided with for the catch in fire extinguisher canvas hose, the microswitch is located at the side that drive link deviates from catch, the flowing of fire water promotes the catch movement, the catch drives drive link to move and then presses microswitch, indicating arm is hinged with the dust cover, one end of the indicating arm contacts at drive link close to the end of microswitch, the other end of the indicating arm is extended to outside dust cover.Staff can recognize the current break-make in fire extinguisher canvas hose near this saddle water flow indicator, dust cover need not be dismantled or obtain information from positioned at long-range control centre, it is more convenient the malfunction elimination of fire-fighting system, and it is not easy that the dust-proof water blocking effect of dust cover is caused to significantly affect, the precise structure of this saddle water flow indicator at the same time, can adjust sensitivity.
Description
Technical field
A kind of fire-fighting equipment is the utility model is related to, particularly a kind of saddle water flow indicator.
Background technology
Water flow indicator is one of accessory of automatic fire protection system.
Existing notification number is that the utility model patent of CN204375649U discloses a kind of water flow indicator, including saddle seat
And dust cover, water flow indicator are installed on fire extinguisher canvas hose by saddle seat.Blade is provided with saddle seat, is set in dust cover
There is magnet steel and be installed on the inside of fire extinguisher canvas hose close to switch, blade.Current are out-of-date when having in pipeline, water jet propulsion blade movement
And then magnetic steel displacement is driven, the displacement of magnet steel makes to approach switch generation electric signal, and electric signal passes to long-range control by conducting wire
Center processed.
Since the parts of water flow indicator need dust cover to protect, so the action component of water flow indicator quilt completely
Pipeline and dust cover cover, and dust cover opening is cumbersome, and particularly water flow indicator is installed on liftoff higher position, then people
It is difficult to remove the action situation inside protective cover observation, and then is difficult to the stream that fire water is visually known near fire main
Dynamic state, improves the malfunction elimination difficulty of fire-fighting system.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of saddle water flow indicator, energy
The current break-make situation being visually known near this water flow indicator in fire main.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of saddle current instruction
Device, including base, the microswitch for being installed on base, drive link is hinged with the base, and one end of the drive link is set
There is catch, the catch is located in fire main, and the microswitch is located at the side that drive link deviates from catch, the stream of fire water
Dynamic to promote the catch movement, the catch drives drive link to move and then presses microswitch, further includes dust cover, described anti-
Indicating arm is hinged with dust hood, one end of the indicating arm contacts at drive link close to the end of microswitch, the drive link
Indicating arm can be driven to carry out rotary oscillation around its hinged place, the other end of the indicating arm is extended to outside dust cover.
Through the above technical solutions, after this saddle water flow indicator is installed on fire main, if in fire main
Flow rate of water flow is less than certain setting value, then power of the flow action on catch is smaller, and catch drives the rotational angle also phase of drive link
Should be smaller, then the lack of exercise of drive link is to press microswitch, so this saddle water flow indicator keeps the letter that current are stagnated
Number state, when the flow rate of water flow in fire main is greater than or equal to certain setting value, the rotational angle of drive link is sufficiently large, transmission
Bar and then microswitch is pressed, the signal that current flow is passed to long-range control centre through conducting wire by microswitch, regardless of whether
Whether microswitch acts, and the rotation of drive link can all drive indicating arm to rotate, and be now placed in this saddle water flow indicator
Neighbouring staff can be located at the position of the indicating arm outside dust cover by observation, be visually known in fire main
Current break-make situation, without dismantling dust cover or obtaining information from positioned at long-range control centre, arranges the failure of fire-fighting system
Look into more convenient.
Preferably, the indicating arm includes slide bar, and one end of the slide bar is cut with scissors with drive link close to the end of microswitch
Connect, the other end of the slide bar is threaded through in indicating arm, and the slide bar can sliding axially along indicating arm.
Through the above technical solutions, when drive link rotates, drive link drives indicating arm to rotate indirectly by slide bar,
With indicating arm opposite slip occurs for slide bar during this, and the rotation that so setting can allow drive link drive indicating arm is implemented,
It is not easy to make mechanism blockage.
Preferably, the outer wall of the dust cover is provided with the label for representing indicating arm indicating positions.
Through the above technical solutions, label can clearly represent the rotational angle of indicating arm, when staff is observing
During indicating arm, the probability that erroneous judgement is produced to the rotational angle of indicating arm can be reduced.
Preferably, it is threaded with cone governor on the drive link, the microswitch includes contact and tactile for triggering
The plectrum wheel of point, the conical surface of the plectrum wheel and cone governor offset, and the sensitive of microswitch can be adjusted by turning the cone governor
Degree.
Through the above technical solutions, since the face that cone governor and plectrum wheel offset is the conical surface, can so turning cone governor
Change the position that plectrum wheel offsets with cone governor, change initial angle of the plectrum wheel relative to contact, so as to adjust fine motion
The sensitivity of switch, that is, the minimum rotation angle of microswitch action can be triggered by limiting drive link.
Preferably, the adjusting mechanism for adjusting drive rod rotation resistance, the adjusting mechanism are provided with the base
Including the adjusting bolt being rotatably dispose on base, the adjustment sheet being threadedly coupled with adjusting bolt, the base limits adjustment sheet
Rotation, be connected with tension spring between the adjustment sheet and the drive link.
Through the above technical solutions, turn adjusting bolt because adjustment sheet can not around the axial rotation of adjusting bolt,
Adjustment sheet, along the axial movement of adjusting bolt, elongates or shortens tension spring under the guiding role that screw thread engages, so as to change
Tension spring acts on the pulling force of transmission boom end, this pulling force and the water flow pressure acted on catch interact, and change this pulling force
Influence of the water flow pressure to drive rod rotation angle acted on catch can be changed, bigger is provided for this water flow indicator
Adjustable actuating range, precise structure.
Preferably, be provided with the flexible sheets for water proof on the base, the drive link through flexible sheets and with flexibility
Piece seals.
Through the above technical solutions, flexible sheets have completely cut off the water of fire main side, fire water is set to be difficult into base
Opposite side, when drive link is rotated around its hinged place, flexible sheets can deform upon therewith, but still can be by the sky of flexible sheets both sides
Between isolate, keep sealing function.
Preferably, the U bolt for base to be pressed in fire main is installed on the base.
Through the above technical solutions, by floor installation after on fire main, U bolt is tightened, then base is tight securely
It is affixed on fire main, you can the installation for completing base and fire main is fixed.
Preferably, the banking stop for limiting drive rod rotation scope is provided with the base.
Through the above technical solutions, being limited after drive rod rotation certain angle, piece is spacing, and reduction drive link is because of angle of rotation
Spend greatly to the hurtful probability of microswitch.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：Can be attached in this saddle water flow indicator
The nearly current break-make situation being visually known in fire main, without dismantling dust cover, makes the malfunction elimination of fire-fighting system more
It is convenient, and be not easy that the dust-proof water blocking effect of dust cover can be caused to significantly affect.
Brief description of the drawings
Fig. 1 is the sectional view for being located at fire extinguisher canvas hose axial direction in embodiment after saddle water flow indicator installation, main prominent real
Apply the internal structure of example；
Fig. 2 is the partial sectional view for being located at fire extinguisher canvas hose radial direction in embodiment after saddle water flow indicator installation, main prominent
Go out the internal structure of embodiment；
Fig. 3 is the top view of saddle water flow indicator in embodiment, the adjusting mechanism of main prominent embodiment.
Reference numeral：10th, fire extinguisher canvas hose；101st, circular hole；1st, base；2nd, dust cover；3rd, drive link；31st, catch；4th, fine motion
Switch；11st, mounting surface；111st, sealing ring；12nd, U bolt；32nd, flexible sheets；33rd, banking stop；34th, cone governor；41st, contact；
42nd, plectrum wheel；5th, adjusting mechanism；51st, adjusting bolt；52nd, adjustment sheet；521st, lug；54th, tension spring；6th, indicating arm；61st, slide bar；
62nd, label.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
As depicted in figs. 1 and 2, a kind of saddle water flow indicator, is installed on fire extinguisher canvas hose 10, the tube wall of fire extinguisher canvas hose 10
Offer circular hole 101.This saddle water flow indicator includes base 1 and dust cover 2, and drive link 3, drive link 3 are hinged with base 1
One end be provided with catch 31, catch 31 is through circular hole 101 and in fire extinguisher canvas hose 10, close to drive link 3 in dust cover 2
Position is provided with microswitch 4.The flowing of fire water in fire extinguisher canvas hose 10 promotes catch 31 to move, and then drives drive link 3 to send out
Raw rotation, drive link 3 and then pressing microswitch 4, microswitch 4 are connected by conducting wire with long-range control centre.
Base 1 is mounting surface 11 close to the side of catch 31, and the shape of mounting surface 11 matches with the outer wall of fire extinguisher canvas hose 10
Close, drive link 3 is provided with sealing ring 111 on mounting surface 11.U bolt 12 is also equipped with base 1, U bolt 12
Both ends are respectively positioned on base 1, and symmetrical on mounting surface 11, and mounting surface 11 and U bolt 12 surround to be formed and be used to be caught in
The cavity of fire extinguisher canvas hose 10.
The diameter of sealing ring 111 is more than the diameter of circular hole 101, and mounting surface 11 is covered on circular hole 101 and by sealing ring
111 in alignment with circular hole 101 oral area, then tighten U bolt 12, then sealing ring 111 by mounting surface 11 and fire extinguisher canvas hose 10 it
Between clearance seal, complete base 1 and the installation of fire extinguisher canvas hose 10 and fix.
Catch 31 is rubber material, is fixedly connected between catch 31 and drive link 3 by a connecting piece.It is close proximity to drive link
3 hinged place is provided with the flexible sheets 32 of rubber material, and drive link 3 is sealed through flexible sheets 32 and with flexible sheets 32.Flexible sheets
32 have completely cut off the water of 10 side of fire extinguisher canvas hose, make fire water be difficult to enter in dust cover 2, when drive link 3 is rotated around its hinged place
When, flexible sheets 32 can deform upon therewith, but can still isolate the space of 32 both sides of flexible sheets, keep sealing function.
The position of 3 bar wall of drive link is provided with two panels banking stop 33 on base 1, two panels banking stop 33 is positioned at same
In plane, and it is arranged between flexible sheets 32 and catch 31.Two panels banking stop 33 is respectively arranged at two sides of the rotation of drive link 3
Upwards, and between drive link 3 certain interval is left.Drive link 3 is spacing by a banking stop 33 after turning an angle, and reduces and passes
Lever 3 is excessive to 4 hurtful probability of microswitch because of rotational angle.
Threaded one end on drive link 3 close to microswitch 4 is connected with cone governor 34, and the side wall of cone governor 34 is cone
Face, the center line of cone governor 34 are overlapped with the axis of drive link 3.Microswitch 4 includes being used for contact 41, the use for producing electric signal
Plectrum wheel 42 in triggering contact 41, plectrum wheel 42 is elastic strip body, and the end of plectrum wheel 42 and the conical surface of cone governor 34 offset.
Cone governor 34 is turned on drive link 3, then cone governor 34 produces position under the guiding role of screw thread along the axial of drive link 3
Move, since the face that cone governor 34 and plectrum wheel 42 offset be the conical surface, institute is so as to what change plectrum wheel 42 and cone governor 34 offseted
Position, so as to change initial angle of the plectrum wheel 42 relative to contact 41, so as to adjust the sensitivity of microswitch 4, i.e.,
The minimum rotation angle of the action of microswitch 4 can be triggered by limiting drive link 3.
As shown in figures 1 and 3, the adjusting mechanism 5 for adjusting 3 rotary resistance of drive link is provided with base 1.Adjusting machine
Structure 5 includes the adjusting bolt 51 being rotatably dispose on base 1, the adjustment sheet 52 being threadedly coupled with adjusting bolt 51.Adjusting bolt
For 51 end of thread towards drive link 3, adjustment sheet 52 includes the lug 521 for protruding from 52 side of adjustment sheet, is located at lug on base 1
521 position offers sliding slot, and lug 521 is located in sliding slot and can be slided along sliding slot, the length direction and adjusting bolt of sliding slot
51 it is axially in parallel, sliding slot limits rotation of the adjustment sheet 52 in 51 axial direction of adjusting bolt, without limiting adjustment sheet 52 along tune
Save the axial movement of bolt 51.Tension spring 54 is connected between adjustment sheet 52 and drive link 3, one end of tension spring 54 is connected to adjustment sheet
On 52, the other end of tension spring 54 is connected with drive link 3 away from the end of catch 31.
Adjusting bolt 51 is turned, because adjustment sheet 52 can not exist around the axial rotation of adjusting bolt 51, adjustment sheet 52
Along the axial movement of adjusting bolt 51 under the guiding role of screw thread engagement, elongate or shorten tension spring 54, so as to change tension spring
54 act on the pulling force of 3 end of drive link.This pulling force and the water flow pressure acted on catch 31 interact, and change this pulling force
Influence of the water flow pressure to 3 rotational angle of drive link acted on catch 31 can be changed, provided for this water flow indicator
The adjustable actuating range of bigger, structure are more accurate.
As depicted in figs. 1 and 2, dust cover 2 is installed on the side for deviating from catch 31 on base 1, and dust cover 2 will be adjusted at the same time
Mechanism 5, cone governor 34 and microswitch 4 cover.The position hinge of 54 place end of tension spring on drive link 3 is right against on dust cover 2
It is connected to indicating arm 6, the hinged place of indicating arm 6 and dust cover 2 is not easy that the dust-proof water blocking effect of dust cover 2 is caused to significantly affect.
The hinged place of indicating arm 6 and dust cover 2 is located at the centre position of indicating arm 6, and the both ends of indicating arm 6 are respectively positioned at dust cover 2
Inside and outside.Indicating arm 6 is hollow stem, and slide bar 61 is equipped with 6 cavity of indicating arm in dust cover 2, and slide bar 61 can edge
Indicating arm 6 slides axially, and slide bar 61 is hinged close to one end of drive link 3 and the end of drive link 3.
The end shape of indicating arm 6 outside dust cover 2 is taper, and being close to indicating arm 6 on the outer wall of dust cover 2 sets
Label 62 is equipped with, scale is provided with label 62, label 62 is used to aid in the rotational angle for representing indicating arm 6, and staff exists
When observing indicating arm 6, the probability that erroneous judgement is produced to the rotational angle of indicating arm 6 can be reduced.
By this saddle water flow indicator, installation is complete as described above, if the flow rate of water flow in fire extinguisher canvas hose 10 is set less than certain
Definite value, then power of the flow action on catch 31 is smaller, and catch 31 drives the rotational angle of drive link 3 also corresponding smaller, then adjusts
The lack of exercise of pitch cone 34 is to press microswitch 4, so this saddle water flow indicator keeps the signal condition that current are stagnated.When
When flow rate of water flow in fire extinguisher canvas hose 10 is greater than or equal to certain setting value, the rotational angle of drive link 3 is sufficiently large, cone governor 34 into
And microswitch 4 is pressed, the signal that current flow is passed to long-range control centre through conducting wire by microswitch 4.
No matter whether microswitch 4 acts, and the rotation of drive link 3 can all rotate with moving slide-bar 61 and indicating arm 6, and
Further instruction is at certain scale on label 62.Being now placed in the staff near this saddle water flow indicator can pass through
Observe the scale corresponding to indicating arm 6, the current break-make situation being visually known in fire extinguisher canvas hose 10, without dismantling dust cover
2 or information is obtained from positioned at long-range control centre, be more convenient the malfunction elimination of fire-fighting system.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
Enclose, the scope of protection of the utility model is determined by appended claim.
Claims (8)
1. a kind of saddle water flow indicator, including base (1), the microswitch (4) for being installed on base (1), the base (1) is interior
Drive link (3) is hinged with, one end of the drive link (3) is provided with catch (31), and the catch (31) is located in fire main,
The microswitch (4) is located at the side that drive link (3) deviates from catch (31), and the flowing of fire water promotes catch (31) fortune
Dynamic, the catch (31) drives drive link (3) to move and then presses microswitch (4), it is characterized in that：Dust cover (2) is further included,
Indicating arm (6) is hinged with the dust cover (2), one end of the indicating arm (6) contacts at drive link (3) close to microswitch
(4) end, the drive link (3) can drive indicating arm (6) to carry out rotary oscillation, the indicating arm (6) around its hinged place
The other end extend to dust cover (2) outside.
2. saddle water flow indicator according to claim 1, it is characterized in that：The indicating arm (6) includes slide bar (61), institute
The one end for stating slide bar (61) is hinged with drive link (3) close to the end of microswitch (4), and the other end of the slide bar (61) is worn
In indicating arm (6), the slide bar (61) can sliding axially along indicating arm (6).
3. saddle water flow indicator according to claim 1, it is characterized in that：The outer wall of the dust cover (2) is provided with use
In the label (62) for representing indicating arm (6) indicating positions.
4. saddle water flow indicator according to claim 1, it is characterized in that：Tune is threaded with the drive link (3)
Pitch cone (34), the microswitch (4) include contact (41) and the plectrum wheel (42) for triggering contact (41), the plectrum wheel
(42) conical surface with cone governor (34) offsets, and the sensitivity of microswitch (4) can be adjusted by turning the cone governor (34).
5. saddle water flow indicator according to claim 1, it is characterized in that：It is provided with the base (1) for adjusting
The adjusting mechanism (5) of drive link (3) rotary resistance, the adjusting mechanism (5) include the adjusting spiral shell being rotatably dispose on base (1)
Bolt (51), the adjustment sheet (52) being threadedly coupled with adjusting bolt (51), the rotation of base (1) the limitation adjustment sheet (52), institute
State and tension spring (54) is connected between adjustment sheet (52) and the drive link (3).
6. saddle water flow indicator according to claim 1, it is characterized in that：It is provided with the base (1) for water proof
Flexible sheets (32), the drive link (3) through flexible sheets (32) and with flexible sheets (32) seal.
7. saddle water flow indicator according to claim 1, it is characterized in that：It is provided with and is used for the bottom of on the base (1)
Seat (1) is pressed in the U bolt (12) of fire main.
8. saddle water flow indicator according to claim 1, it is characterized in that：It is provided with the base (1) for limiting
The banking stop (33) of drive link (3) slewing area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246842.0U CN207366025U (en) | 2017-09-26 | 2017-09-26 | Saddle water flow indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246842.0U CN207366025U (en) | 2017-09-26 | 2017-09-26 | Saddle water flow indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366025U true CN207366025U (en) | 2018-05-15 |
Family
ID=62349656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721246842.0U Active CN207366025U (en) | 2017-09-26 | 2017-09-26 | Saddle water flow indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366025U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324206A (en) * | 2018-11-09 | 2019-02-12 | 益阳陈克明食品股份有限公司 | A kind of water for food processing stream speed detector |
| CN110108895A (en) * | 2019-04-30 | 2019-08-09 | 正洲泵阀制造有限公司 | For the overspeed monitoring appliance in fluid delivery pipeline |
| CN110107818A (en) * | 2019-04-30 | 2019-08-09 | 正洲泵阀制造有限公司 | Pipeline hypervelocity cutoff device |
| CN111863524A (en) * | 2020-08-26 | 2020-10-30 | 上海鸿炬安全科技有限公司 | Vane type water flow indicator with delay function |
-
2017
- 2017-09-26 CN CN201721246842.0U patent/CN207366025U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324206A (en) * | 2018-11-09 | 2019-02-12 | 益阳陈克明食品股份有限公司 | A kind of water for food processing stream speed detector |
| CN109324206B (en) * | 2018-11-09 | 2021-07-27 | 益阳陈克明食品股份有限公司 | Water flow velocity detection device for food processing |
| CN110108895A (en) * | 2019-04-30 | 2019-08-09 | 正洲泵阀制造有限公司 | For the overspeed monitoring appliance in fluid delivery pipeline |
| CN110107818A (en) * | 2019-04-30 | 2019-08-09 | 正洲泵阀制造有限公司 | Pipeline hypervelocity cutoff device |
| CN111863524A (en) * | 2020-08-26 | 2020-10-30 | 上海鸿炬安全科技有限公司 | Vane type water flow indicator with delay function |
| CN111863524B (en) * | 2020-08-26 | 2024-05-07 | 上海鸿炬安全科技有限公司 | Vane type water flow indicator with delay function |
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