CN201202880Y - Locking apparatus with locking valve - Google Patents
Locking apparatus with locking valve Download PDFInfo
- Publication number
- CN201202880Y CN201202880Y CNU2008200868921U CN200820086892U CN201202880Y CN 201202880 Y CN201202880 Y CN 201202880Y CN U2008200868921 U CNU2008200868921 U CN U2008200868921U CN 200820086892 U CN200820086892 U CN 200820086892U CN 201202880 Y CN201202880 Y CN 201202880Y
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- CN
- China
- Prior art keywords
- lock
- valve
- locking device
- lock tube
- tube
- Prior art date
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- Expired - Fee Related
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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model provides a locking device for a valve with a lock, which belongs to the valve technique field, and solves problems that the installation of prior valve with a lock is inconvenient and the production cost is high. The locking device of the valve is composed of a cylinder lock core and a lock sleeve which is firmly connected with the valve body, the lock sleeve is nested on the lock core, a key hole is arranged along the axial direction in the lock core, a plurality of inner holes are arranged at the sidepiece of the key hole, and the lock sleeve is provided with a plurality of outer holes which are one-to-one corresponding to the inner holes, springs are respectively arranged in the outer holes, lock poles are respectively arranged between the inner holes and the outer holes, plugs are respectively fixed in the outer holes, the outer end of the plug levels to the outside of the lock sleeve, and both ends of the spring respectively act on the plug and the lock pole. The locking device of the valve has the advantages that the structure is simple and the production cost is low.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of Valve with lock, particularly a kind of locking device of Valve with lock.
Background technique
Do not have locking device on the common valve, that is to say, random open and close after in a single day valve is installed on the pipeline.Obviously, for water supply, heating or gas company, obvious like this is irrational.For this reason, various Valve with lock arise at the historic moment, and, so also prevent other people illegal open and close valve simultaneously, thereby have effectively overcome above-mentioned defective the real stop supplies of the user who does not pay the fees on schedule by Valve with lock.
Existing Valve with lock is varied, but their structure is roughly the same.Usually, it comprises an integral body, is loaded on spool in the valve body and the valve rod that connects with spool, valve rod and valve body is in link or the locking device of separated state being provided with on valve rod simultaneously, when needing to open and close valve, key is inserted the locking device place just valve can be closed.But, because valve rod and locking device all are positioned at valve body.Therefore, to be used to load onto the partial-length of stating part inevitable longer, simultaneously also thicker for the thickness that guarantees its this part of intensity again on valve body top in making the valve process.Because the copper raw material price rises steadily at present, so just increased manufacture cost accordingly.Simultaneously, locking device is positioned at valve body and also makes the assembling inconvenience of valve.
Summary of the invention
The purpose of this utility model is to exist above-mentioned problem at existing Valve with lock, and a kind of locking device of simple in structure, Valve with lock that cost of production is low is provided.
The purpose of this utility model can realize by following technical proposal: a kind of locking device of Valve with lock, the lock tube that comprises tubular lock core and be used for being connected with valve body, described lock tube is socketed on the lock core, lock core inside axially has keyhole along it, the sidepiece of keyhole has several endoporus, lock tube has several and the outer one to one hole of endoporus, be equipped with spring in the hole outside, endoporus and outside be equipped with lock between the hole, it is characterized in that, all be fixed with plug in the described outer hole, the outer end of plug is equal with the lock tube outside, and the two ends of spring act on respectively on plug and the lock.
When key does not insert in the keyhole, lock endoporus and outside between the hole, make lock tube and lock core be in linkage status, this moment can't rotational valve core.In the time of in key is inserted into keyhole, key make lock from endoporus and outside shift out between the hole, this moment, lock core was free to rotate.In case after key was extracted, under the effect of spring, lock returned to the position between endoporus and the outer hole, lock tube and lock core are in linkage status again and can't rotational valve cores.In addition, because an end of spring acts on the plug, and plug is to knock in to be connected in the outer hole, so just can prevent that spring and lock from coming off outside lock tube.
In the locking device of above-mentioned Valve with lock, described lock tube outer end is provided with renovates, and described renovating with plastic materials made.Renovate keyhole to be sheltered from and prevent that foreign material from entering, renovate simultaneously and adopt plastic materials to make not only can to save cost, and sealing is also better.
In the locking device of above-mentioned Valve with lock, the described lock core outside is provided with convex shoulder, is provided with the retaining edge in the described lock tube, and above-mentioned convex shoulder contacts with the retaining edge.Can prevent that like this valve rod from coming off in lock tube.
In the locking device of above-mentioned Valve with lock, described endoporus has 2～4.
In the locking device of above-mentioned Valve with lock, described overcoat and lock tube are fixed together by Liu Ding.Overcoat and lock tube can be fixed together firmly like this.
In the locking device of above-mentioned Valve with lock, described lock tube and valve body are fixed together by pin.Lock tube can be connected on the valve body firmly like this.
Compared with prior art, the locking device of this Valve with lock is connected in the outer hole by plug is knocked in, prevent that spring and lock from coming off from the lock tube outside, avoided connecting fixed cover at lock tube outside cover in the conventional method and prevented that spring and lock from coming off from the lock tube outside, so it can reduce production costs.
Adopt simultaneously that plastic materials makes renovate not only keyhole to be sheltered from prevents that foreign material from entering, and can also further save cost simultaneously, and sealing is also better.
Description of drawings
Fig. 1 is the cross-sectional view of this Valve with lock.
Fig. 2 is the structural representation of the locking device of this Valve with lock when inserting key.
Among the figure, valve body 1, valve rod 2, lock core 21, keyhole 22, endoporus 23, convex shoulder 24, spool 3, lock tube 4, outer hole 41, retaining along 42, lock 5, spring 6, plug 7, renovate 8, Liu Ding 9, pin 10, key 11.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As depicted in figs. 1 and 2, this Valve with lock comprises valve body 1, spool 3 and valve rod 2, and spool 3 is positioned at valve body 1 and links together with the inner of valve rod 2, and valve body 1 is stretched out in the outer end of valve rod 2.The lock tube 4 that the locking device of this Valve with lock comprises tubular lock core 21 and is used for being connected with valve body 1, wherein lock core 21 is arranged on the outer end of valve rod 2.
Axially have keyhole 22 in lock core 21 inside along lock core 21, the sidepiece of keyhole 22 has 2 endoporus 23, lock tube 4 is corresponding to have 2 outer holes 41 with endoporus 23 places, and the position in endoporus 23 and outer hole 41 is on the same axis, that is to say that endoporus 23 aligns with the position in outer hole 41.Spring 6 is contained in the outer hole 41, and lock 5 is contained between endoporus 23 and the outer hole 41, also is fixed with plug 7 in the outer hole 41, and the outer end of plug 7 is equal with lock tube 4 outsides, and the two ends of spring 6 act on respectively on plug 7 and the lock 5.Be connected in the outer hole 41 by plug 7 is knocked in, can prevent that spring 6 and lock 5 from coming off from lock tube 4 outsides, so just need not connect fixed cover and prevent that spring 6 and lock 5 from coming off from lock tube 4 outsides, thereby reduce cost of production at lock tube 4 outsides cover.
Be provided with in lock tube 4 outer ends and renovate 8, renovate 8 and adopt plastic materialss to make.Renovate 8 and keyhole 22 can be sheltered from and prevent that foreign material from entering, renovate 8 simultaneously and adopt plastic materialss to make not only can to save cost, and sealing is also better.Overcoat and lock tube 4 are fixed together by Liu Ding 9, overcoat and lock tube 4 can be fixed together firmly like this.Lock tube 4 is fixed together by pin 10 with valve body 1, lock tube 4 can be connected on the valve body 1 firmly like this.
In using this Valve with lock process, in the time of when key 11 does not insert keyhole 22 in, lock 5 endoporus 23 and outside between the hole 41, make lock tube 4 and lock core 21 be in linkage status, at this moment can't rotational valve core 3.In the time of in key 11 is inserted into keyhole 22, key 11 make lock 5 from endoporus 23 and outside shift out between the hole 41, lock tube 4 and lock core 21 are in separated state, this moment, lock core 21 was free to rotate.In the present embodiment, lock 5 is made as two, lock and back lock before being respectively, in this state before lock be positioned at endoporus 23 then lock be positioned at outside hole 41, lock tube 4 and lock core 21 are in separated state like this.Because lock core 21 be an integral structure with valve rod 2, so valve rod 2 also can rotate, and valve rod 2 can carry out opening and closing operations to valve after driving spools 3 rotations.
After in case key 11 is extracted, under the effect of spring 6, lock 5 return to originally endoporus 23 and outside position between the hole 41, lock tube 4 and lock core 21 are in linkage status and can't rotational valve core 3 again.Because lock tube 4 is connected on the valve body 1, this moment, lock core 21 did not rotate, and that is to say in the case and can't carry out opening and closing operations to valve.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper used morely valve body 1, valve rod 2, lock core 21, keyhole 22, endoporus 23, convex shoulder 24, spool 3, lock tube 4, outer hole 41, retaining along 42, lock 5, spring 6, plug 7, renovate 8, terms such as Liu Ding 9, pin 10, key 11, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (6)
1, a kind of locking device of Valve with lock, comprise tubular lock core (21) and be used for and lock tube (4) that valve body (1) is connected, described lock tube (4) is socketed on the lock core (21), lock core (21) is inner axially to have keyhole (22) along it, the sidepiece of keyhole (22) has several endoporus (23), lock tube (4) has several and the outer one to one hole of endoporus (23) (41), be equipped with spring (6) in hole (41) outside, endoporus (23) and outside be equipped with lock (5) between the hole (41), it is characterized in that, all be fixed with plug (7) in the described outer hole (41), the outer end of plug (7) is equal with lock tube (4) outside, and the two ends of spring (6) act on respectively on plug (7) and the lock (5).
2, the locking device of Valve with lock according to claim 1 is characterized in that, described lock tube (4) outer end is provided with renovates (8), and described renovating (8) made with plastic materials.
3, the locking device of Valve with lock according to claim 1 and 2 is characterized in that, described lock core (21) outside is provided with convex shoulder (24), is provided with retaining in the described lock tube (4) along (42), and above-mentioned convex shoulder (24) contacts along (42) with retaining.
4, the locking device of Valve with lock according to claim 1 and 2 is characterized in that, described endoporus (23) has 2～4.
5, the locking device of Valve with lock according to claim 1 and 2 is characterized in that, described overcoat and lock tube (4) are fixed together by Liu Ding (9).
6, the locking device of Valve with lock according to claim 1 and 2 is characterized in that, described lock tube (4) is fixed together by pin (10) with valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200868921U CN201202880Y (en) | 2008-05-21 | 2008-05-21 | Locking apparatus with locking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200868921U CN201202880Y (en) | 2008-05-21 | 2008-05-21 | Locking apparatus with locking valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201202880Y true CN201202880Y (en) | 2009-03-04 |
Family
ID=40425191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200868921U Expired - Fee Related CN201202880Y (en) | 2008-05-21 | 2008-05-21 | Locking apparatus with locking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201202880Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163138A (en) * | 2018-11-07 | 2019-01-08 | 浙江正鹏阀门有限公司 | A kind of valve for guarding against theft |
-
2008
- 2008-05-21 CN CNU2008200868921U patent/CN201202880Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163138A (en) * | 2018-11-07 | 2019-01-08 | 浙江正鹏阀门有限公司 | A kind of valve for guarding against theft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |