CN204459398U - Signal butterfly bamper Worm gear case - Google Patents
Signal butterfly bamper Worm gear case Download PDFInfo
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- CN204459398U CN204459398U CN201520034343.XU CN201520034343U CN204459398U CN 204459398 U CN204459398 U CN 204459398U CN 201520034343 U CN201520034343 U CN 201520034343U CN 204459398 U CN204459398 U CN 204459398U
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- worm gear
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- gear case
- worm
- signal butterfly
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Abstract
The utility model discloses a kind of Signal butterfly bamper Worm gear case, it is one of the accessory kit in fire protection engineering ZS series automatic sprinkling system, and there is good versatility and interchangeability, its structure comprises casing, intermeshing worm gear and worm screw, camshaft, cam, sensitive switch, aperture pointer and aperture direction board etc., mainly set up support at casing top, the safety cover of mounting groove and closed mounting groove is provided with again in cradle top surface, then by aperture direction board, rubber back-up ring and lamina lucida all hold out against and are arranged in mounting groove, Worm gear case entirety can be made compacter by said structure design, volume is smaller and more exquisite, and it is easy for installation, maintenance cost is low, regulate easy, and bring less keying moment, meanwhile, safety cover is provided with the aperture situation that watch window directly can observe current valve, facilitates the use of Consumer.
Description
Technical field
The utility model relates to a kind of butterfly valve Worm gear case structure, in particular for the Signal butterfly bamper Worm gear case in fire-fighting system.
Background technique
Fire-fighting Signal butterfly bamper is a kind of valve with remote transmission valve opening status signals, its objective is to ensure that valve is in opening state after mounting always, when valve is closed by mistake, telltale just can transmit alarm signal, with the valve closing preventing people from causing for misoperation, thus affect the normal operation of fire-fighting system.Fire-fighting system Signal butterfly bamper conventional at present and disclosed China Patent No. are " coaxial control formula fire-fighting Signal butterfly bamper " structural similarity of 02232481.X, mainly comprise butterfly valve assembly and these two-part of Worm gear case, and Worm gear case is mainly by casing, Worm and worm-wheel gearing, cam, the formations such as the direction board of sensitive switch and expression aperture size, sensitive switch is touched when Worm and worm-wheel gearing band moving cam rotates, just alarm signal can be obtained, the aperture situation of current valve just directly can be observed by direction board, although above-mentioned Signal butterfly bamper possesses good using effect, but there is longer service life in its structural design adopted on Worm gear case, and along with the continuous expansion in valve market, especially the continuous increase of fire-fighting Signal butterfly bamper use, Consumer also urgently wishes that valve manufacturer can release and morely has different structure and use the Worm gear case structure of advantage to coordinate Signal butterfly bamper, as compact structure, compact, keying moment is little, the Signal butterfly bamper Worm gear case of the advantage such as convenient for installation and maintenance, with satisfied use needs.
Summary of the invention
Technical problem to be solved in the utility model be to overcome the defect of prior art and a kind of compact structure, compact are provided, keying moment is little, easy for installation, maintenance cost is low Signal butterfly bamper Worm gear case.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of Signal butterfly bamper Worm gear case, comprise casing, engage be arranged in casing worm gear and worm screw, make coaxial mounted camshaft with worm gear, transmission is arranged on cam and the aperture pointer on camshaft and coordinates the sensitive switch of cam and coordinate the aperture direction board of aperture pointer, described casing top is provided with hard-wired support, this cradle top surface is provided with the safety cover of mounting groove and closed mounting groove, and safety cover is provided with watch window; Aperture direction board and rubber back-up ring is provided with in described mounting groove; this aperture direction board is arranged on below aperture pointer; this rubber back-up ring lower end holds out against the lamina lucida being provided with on aperture direction board, between upper end and safety cover and holding out against installation, and this lamina lucida closes described watch window.
Described cam and coordinate the sensitive switch of cam, aperture pointer and coordinate that the aperture direction board of aperture pointer is all integrated to be arranged in support.
Described mounting groove side is provided with opening slot, and described sensitive switch is inlaid in described opening slot.
Described sensitive switch comprises controller, spring contact strip, action reed and signaling line, described action reed one end connects on the controller, the other end outwards opens formation elastic ends, described spring contact strip is arranged in the elastic ends of this action reed, and contact with the outer peripheral surface of cam, described signaling line one end connects on the controller, and the other end is drawn through support.
Described casing is fastened and connected mutually by upper shell and lower shell body to form.
Described worm gear both ends of the surface are respectively equipped with positioning step, and described upper shell and the interior edge face of lower shell body are respectively equipped with the annular boss making location and installation with the positioning step of described worm gear both ends of the surface.
Positioning convex ring and the locating slot of positioning assembling is respectively equipped with between described support bottom surface and upper shell end face.
Through the worm shaft of concentric in described worm screw, this worm shaft is fixedly connected with worm screw, and worm shaft one end is stretched out casing and exposed.
Be provided with the spline structure forming and be in transmission connection between described cam and camshaft, described aperture pointer is fixedly mounted on the upper end portion of camshaft.
Compared with prior art, the utility model mainly arranges support at the casing top of Signal butterfly bamper Worm gear case, the safety cover of mounting groove and closed mounting groove is provided with again in cradle top surface, then aperture direction board, rubber back-up ring and lamina lucida all being held out against is arranged in mounting groove, can make that Worm gear case entirety is compacter, volume is smaller and more exquisite by said structure design, and easy for installation, maintenance cost is low, and brings less keying moment; Simultaneously; safety cover is provided with the aperture situation that watch window directly can observe current valve; facilitate the use of Consumer, the Signal butterfly bamper Worm gear case after improvement can use as the accessory kit in fire protection engineering ZS series automatic sprinkling system, and has good versatility and interchangeability.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is A-A sectional view of Fig. 1.
Fig. 3 is B-B sectional view of Fig. 2.
Fig. 4 is C-C sectional view of Fig. 2.
Fig. 5 is the sectional structure schematic diagram (installation worm gear) of casing.
Fig. 6 is one of them line of vision sectional structure schematic diagram of support.
Fig. 7 is another line of vision sectional structure schematic diagram of support.
Fig. 8 is the worm's eye view of Fig. 7.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Figure 1,1. worm shaft, 2. casing, 21. upper shells, 211. locating slots, 22. lower shell bodys, 23. annular boss, 3. worm gear, 31. positioning steps, 4. worm screw, 5. worm pin, 6. sensitive switch, 61. spring contact strips, 62. action reeds, 63. controllers, 64. signaling lines, 7. support, 71. positioning convex rings, 72. mounting grooves, 73. threading holes, 74. opening slots, 75. screw holes, 8. camshaft, 9. protective housing, 91. watch windows, 10. aperture direction board, 11. lamina lucidas, 12. cams, 13. aperture pointers, 14. rubber back-up rings.
Signal butterfly bamper Worm gear case; as shown in Figure 1 and Figure 2; it is one of the accessory kit in fire protection engineering ZS series automatic sprinkling system; and there is good versatility and interchangeability, its structure mainly comprises casing 2, intermeshing worm gear 3 and worm screw 4, camshaft 8, cam 12, sensitive switch 6, aperture pointer 13, aperture direction board 10, support 7 and safety cover 9 etc.
Described casing 2 is formed by connecting with hex head bolt after being fastened mutually by upper shell 21 and lower shell body 22, between upper and lower casing, form a chamber to install for worm gear 3, its mounting type is as shown in Figure 5: be respectively equipped with positioning step 31 in the upper/lower terminal face of worm gear 3, the interior edge face of upper shell 21 and lower shell body 22 is then respectively equipped with annular boss 23, worm gear 3 can be made to be formed and rotate after the positioning step 31 of these worm gear 3 both ends of the surface makes positioning assembling with the annular boss 23 of upper and lower casing respectively.
Described worm screw 4 engagement is arranged on worm gear 3 side, this worm screw 4 is axle sleeve structures, through the worm shaft 1 of concentric in it, be connected and fixed by worm pin 5 between this worm shaft and worm screw 4, worm shaft 1 one end is stretched out casing 2 and is exposed, when worm shaft 1 is subject to external force rotation, just can drive worm screw 4 synchronous axial system, and then control valve opens and closes.
Described support 7 is fixedly mounted on casing 2 top, i.e. upper shell 21 top by four hex head bolts, is also respectively equipped with the positioning convex ring 71 of positioning assembling and locating slot 211 to form the location of mounting point between support 7 bottom surface and upper shell 21 end face; Described worm gear 3 is provided with coaxial mounted camshaft 8 by interference fit, this camshaft upper end is stretched in support 7, camshaft 8 is provided with by spline structure the cam 12 be in transmission connection, and the upper end portion of camshaft 8 is provided with hard-wired aperture pointer 13 by sunk screw; Meanwhile, the sensitive switch 6 coordinated with cam 12 as shown in Figure 3 in addition, the aperture direction board 10 coordinated with aperture pointer 13 is as shown in Figure 4 also integrated is arranged in support 7.
The described mounting structure of sensitive switch 6 in support is provided with mounting groove 72 as shown in Figure 6, Figure 7 in cradle top surface, and this mounting groove side is provided with opening slot 74 as shown in Figure 8, and sensitive switch 6 is fixed in opening slot 74 by two Cock screws; Described sensitive switch 6 is mainly made up of controller 63, spring contact strip 61, action reed 62 and signaling line 64 etc., this controller 63 is main body parts of sensitive switch 6, this action reed 62 one end is connected on controller 63, the other end outwards opens formation elastic ends, this spring contact strip 61 is arranged in the elastic ends of action reed 62, and contact with the outer peripheral surface of cam 12, this signaling line 64 one end is connected on controller 63., and the threading hole 73 that the other end is preset through support 7 side is drawn; Spring contact strip 61 will be driven to compress or the elastic ends of release movement reed 62 when cam 12 rotates, thus open and close sensitive switch 6 and draw alarm signal through signaling line 64.
Described aperture direction board 10 is disk sheet structures, its size is just in time fitted in the mounting groove 72 of support 7 end face, in the upper surface printing scale numeral of aperture direction board 10, and will through aperture direction board 10 with camshaft 8 upper end portion of aperture pointer 13, namely aperture direction board 10 is arranged on below aperture pointer 13, thus makes to form indexical relation between aperture pointer 13 and aperture direction board 10; The lamina lucida 11 that rubber back-up ring 14 and visual plastic sheet are made also is provided with in described mounting groove 72, and aperture direction board 10, rubber back-up ring 14 and lamina lucida 11 are enclosed in mounting groove 72 by protective housing 9, and protective housing 9 is fixed on casing 2 by four lock screws through the screw hole 75 that support 7 is preset; Wherein, rubber back-up ring 14 lower end holds out against on aperture direction board 10, upper end holds out against on safety cover 9 by lamina lucida 11; therefore make the aperture direction board 10 after installing can not arbitrarily movement; and safety cover 9 is also arranged a watch window 91; and closed by the lamina lucida 11 holding out against installation; thus directly can observe the matching relationship between aperture pointer 13 and aperture direction board 10 by the lamina lucida 11 in watch window 91, and draw the aperture situation of current valve.
The working procedure of Signal butterfly bamper Worm gear case is: rotated by worm shaft 1 and carry out synchronous axial system through worm screw 4, worm gear 3, camshaft 8 to be with moving cam 12 and aperture pointer 13, when the 90 degree positions of aperture pointer 13 on aperture direction board 10 rotate to 0 degree of position, synchronous axial system is also driven the elastic ends of spring contact strip 61 compressed action reed 62 by cam 12, and then start sensitive switch 6, this sensitive switch signal transfers to fire control room through signaling line 64 and makes often to open and become normally closed, thus triggering acoustooptic alarm, remind staff to open relevant device in time.
Small and exquisite, the installation and maintenance of the utility model design are convenient, can at control room Remote Acquisitioning signal, and it is little to open and close moment, long service life.
Above-described embodiment is only to explanation of the present utility model, is not to restriction of the present utility model, and any scheme to obtaining after the utility model simple transformation, all should belong to protection domain of the present utility model.
Claims (9)
1. a Signal butterfly bamper Worm gear case, comprise casing (2), engage the worm gear (3) and worm screw (4) that are arranged in casing, coaxial mounted camshaft (8) is made with worm gear (3), transmission is arranged on cam (12) on camshaft (8) and aperture pointer (13), and coordinate the sensitive switch (6) of cam (12) and coordinate the aperture direction board (10) of aperture pointer (13), it is characterized in that described casing (2) top is provided with hard-wired support (7), this cradle top surface is provided with the safety cover (9) of mounting groove (72) and closed mounting groove, safety cover is provided with watch window (91), aperture direction board (10) and rubber back-up ring (14) is provided with in described mounting groove (72), this aperture direction board (10) is arranged on aperture pointer (13) below, this rubber back-up ring (14) lower end holds out against on aperture direction board (10), is provided with the lamina lucida (11) holding out against installation between upper end and safety cover (9), and this lamina lucida closes described watch window (91).
2. Signal butterfly bamper Worm gear case according to claim 1, is characterized in that the aperture direction board (10) of the sensitive switch (6) of described cam (12) and cooperation cam, aperture pointer (13) and cooperation aperture pointer is all integrated and is arranged in support (7).
3. Signal butterfly bamper Worm gear case according to claim 1, it is characterized in that described mounting groove (72) side is provided with opening slot (74), described sensitive switch (6) is inlaid in described opening slot (74).
4. Signal butterfly bamper Worm gear case according to claim 3, it is characterized in that described sensitive switch (6) comprises controller (63), spring contact strip (61), action reed (62) and signaling line (64), described action reed (62) one end is connected on controller (63), the other end outwards opens formation elastic ends, described spring contact strip (61) is arranged in the elastic ends of this action reed (62), and contact with the outer peripheral surface of cam (12), described signaling line (64) one end is connected on controller (63), the other end is drawn through support (7).
5. Signal butterfly bamper Worm gear case according to claim 1, is characterized in that described casing (2) is fastened and connected mutually by upper shell (21) and lower shell body (22) to form.
6. Signal butterfly bamper Worm gear case according to claim 5, it is characterized in that described worm gear (3) both ends of the surface are respectively equipped with positioning step (31), described upper shell (21) and the interior edge face of lower shell body (22) are respectively equipped with the annular boss (23) making location and installation with the positioning step (31) of described worm gear (3) both ends of the surface.
7. Signal butterfly bamper Worm gear case according to claim 5, is characterized in that the positioning convex ring (71) and the locating slot (211) that are respectively equipped with positioning assembling between described support (7) bottom surface and upper shell (21) end face.
8. Signal butterfly bamper Worm gear case according to claim 1, it is characterized in that the worm shaft (1) through concentric in described worm screw (4), this worm shaft is fixedly connected with worm screw (4), and worm shaft (1) one end is stretched out casing (2) and exposed.
9. Signal butterfly bamper Worm gear case according to claim 1, it is characterized in that being provided with the spline structure forming and be in transmission connection between described cam (12) and camshaft (8), described aperture pointer (13) is fixedly mounted on the upper end portion of camshaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034343.XU CN204459398U (en) | 2015-01-19 | 2015-01-19 | Signal butterfly bamper Worm gear case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034343.XU CN204459398U (en) | 2015-01-19 | 2015-01-19 | Signal butterfly bamper Worm gear case |
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| Publication Number | Publication Date |
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| CN204459398U true CN204459398U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520034343.XU Active CN204459398U (en) | 2015-01-19 | 2015-01-19 | Signal butterfly bamper Worm gear case |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838448A (en) * | 2017-02-28 | 2017-06-13 | 福建省远昌消防阀门有限公司 | For the recoil simulator of fire valve |
| CN107916911A (en) * | 2018-01-12 | 2018-04-17 | 中石化四机石油机械有限公司 | A kind of band instruction and the underwater robot interface of retaining mechanism |
| CN109990136A (en) * | 2019-05-09 | 2019-07-09 | 江苏沙洲阀门有限公司 | It is a kind of to be integrated in butterfly valve/ball valve signal feedback device |
-
2015
- 2015-01-19 CN CN201520034343.XU patent/CN204459398U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838448A (en) * | 2017-02-28 | 2017-06-13 | 福建省远昌消防阀门有限公司 | For the recoil simulator of fire valve |
| CN107916911A (en) * | 2018-01-12 | 2018-04-17 | 中石化四机石油机械有限公司 | A kind of band instruction and the underwater robot interface of retaining mechanism |
| CN107916911B (en) * | 2018-01-12 | 2024-04-02 | 中石化四机石油机械有限公司 | Underwater robot interface with indication and locking mechanism |
| CN109990136A (en) * | 2019-05-09 | 2019-07-09 | 江苏沙洲阀门有限公司 | It is a kind of to be integrated in butterfly valve/ball valve signal feedback device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |