CN104864115A - Anti-theft ball valve - Google Patents
Anti-theft ball valve Download PDFInfo
- Publication number
- CN104864115A CN104864115A CN201510208635.5A CN201510208635A CN104864115A CN 104864115 A CN104864115 A CN 104864115A CN 201510208635 A CN201510208635 A CN 201510208635A CN 104864115 A CN104864115 A CN 104864115A
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- Prior art keywords
- handle
- hole
- groove
- ball valve
- arc
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
- F16K31/602—Pivoting levers, e.g. single-sided
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
- F16K35/022—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element
- F16K35/025—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element said actuating element being operated manually (e.g. a push-button located in the valve actuator)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention discloses an anti-theft ball valve which comprises a valve body (1), a valve rod (2), a valve element (3) and a handle (4), wherein the valve element (3) is arranged in the valve body (1); a hollow bulged neck (1.1) is arranged at the upper end of the valve body (1); the valve rod (2) is arranged in the hollow bulged neck (1.1); the lower end of the valve rod (2) is connected with the valve element (3); the handle (4) can be vertically and movably connected onto the valve rod (2) under the action of a return spring (5) and external force; a longitudinal limiting device capable of longitudinally limiting the handle (4) when the handle (4) is pressed downwards in a set position is arranged between the middle of the handle (4) and the valve rod (2); a circumferential locking device capable of circumferentially limiting the handle (4) when the handle (4) is pressed downwards in the set position is arranged between the handle (4) and the hollow bulged neck (1.1). The anti-theft ball valve is convenient to assemble, long in service life and low in production cost.
Description
Technical field
The present invention relates to valve field, relate to a kind of Anti-theft ball valve or rather.
Background technique
On the various pipelines of the industries such as air feed, air feed, pipeline transport, valve has a wide range of applications.In many occasions, people need to control valve, to prevent other people random opening and closing.Anti-theft ball valve be a kind of can prevent other people random opening and closing add Lock valve, be applicable to being applied in above occasion.
At present, multiple Anti-theft ball valve also appears in market, such as, it is 2014202877155 that State Intellectual Property Office discloses the patent No. on September 17th, 2014, and patent name is the utility model patent of Anti-theft ball valve.On the up and down upper end being connected to described valve rod of the handle of this Anti-theft ball valve.When longitudinal magnetic locking device spacing up and down being carried out to handle when pressing down handle under being provided with ball valve closed condition between convex neck upper end and handle and press down handle under ball valve closed condition, the spacing peripheral locking device of circumference is carried out to handle.Described longitudinal magnetic locking device comprises strong magnetic pin, spring, the horizontal spacing counterbore be located at the pin-and-hole on the periphery wall of convex neck upper end and be laterally located on handle madial wall.Described strong magnetic pin is located in described pin-and-hole, between described spring is located at the bottom of described the inner of strong magnetic pin and the hole of pin-and-hole.The outer end of the strong magnetic pin described in when pressing down handle under ball valve closed condition can be held in described spacing counterbore.There is following defect in this kind of Anti-theft ball valve: carrys out longitudinal spacing by strong magnetic pin between the handle side of this Anti-theft ball valve and convex neck side, and the both sides of handle there will be stressed unbalanced phenomenon; And strong magnetic pin one end is contained in pin-and-hole, the other end of strong magnetic pin is contained in spacing counterbore, and strong magnetic pin all serves effect to handle longitudinal spacing and axial limiting, and therefore strong magnetic pin is stressed comparatively large, has grown easy fracture service time, has affected working life.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of Anti-theft ball valve, and this Anti-theft ball valve is easy to assembly, long service life and cost of production is low.
Technical solution of the present invention is, provides a kind of Anti-theft ball valve with following structure, comprises valve body, valve rod, spool and handle; Described spool is located in described valve body; The upper end of described valve body is provided with the convex neck of hollow, and described valve rod is located in described convex neck; The lower end of described valve rod is connected with spool; Described handle can be connected on described valve rod by return spring and External Force Acting up and downly; Handle can carry out longitudinal spacing after setting position presses down longitudinal limiting device to handle is provided with in the middle part of described handle and between valve rod; Be provided with handle between described handle and described convex neck, after described setting position presses down, the spacing peripheral locking device of circumference carried out to handle.
After adopting above structure, Anti-theft ball valve of the present invention, compared with prior art, has the following advantages:
Be provided with handle can carry out longitudinal spacing after setting position presses down longitudinal limiting device to handle in the middle part of the handle of Anti-theft ball valve of the present invention and between valve rod, such that handle is stressed comparatively to be balanced.Described longitudinal limiting device carries out longitudinal spacing to handle, and described peripheral locking device carries out circumference locking to handle, and both play a role separately, and make the structure of ball valve comparatively reliable, be not easy damaged, working life is longer.
As a modification of the present invention, the middle part of described handle is provided with through hole; The upper end of described valve rod is provided with directional post; The upper end of described directional post is provided with positive stop lug boss; Described through hole is linked in outside the upper end of described valve rod, directional post and positive stop lug boss; The hole wall at the middle part of described handle through hole is provided with radial convex loop; Described radial convex loop is slidably fitted in outside described directional post, and the aperture of the endoporus of this radial convex loop is less than the diameter of positive stop lug boss and the length of described valve rod upper end.After adopting this kind of structure, the linkage structure between handle and valve rod is comparatively simple, and easy for installation, efficiency of assembling is high.
Improve as another kind of the present invention, described longitudinal limiting device comprises at least one group of the first limit assembly and at least one group of the second limit assembly; The first described limit assembly and the second limit assembly are oppositely arranged correspondingly.After adopting this kind of structure, the first limit assembly and the second limit assembly are oppositely arranged, such that handle is stressed when longitudinal spacing comparatively to be balanced.
Also have a kind of improvement as of the present invention, the first described limit assembly comprise radial direction through hole on the hole wall being located at described handle through hole, can be attracting with magnet the first position limit pin, the first spring and plug; Described plug is located in the outer end of described radial direction through hole, and the first described position limit pin is located in the inner of described radial direction through hole, and the first described spring is located between described plug and the first position limit pin; The interior edge face of the first position limit pin described in when bullet is in extreme higher position on described handle is against on the periphery wall of described positive stop lug boss, and the inner end that described handle presses down the first position limit pin described in when being in extreme lower position is spacing under described positive stop lug boss.After adopting this kind of structure, the assembling of the first limit assembly is very convenient, the efficiency of assembling of ball valve can be improved, first limit assembly only carries out longitudinal spacing to handle, stressed less first position limit pin is not easily fractureed, and as long as the first position limit pin of the first limit assembly is held under positive stop lug boss and just can carries out longitudinal spacing to handle, lower comparatively speaking to the required precision of product, the cost of production of product can be reduced.And the strong magnetic pin that the patent No. is the longitudinal magnetic locking device of the Anti-theft ball valve of 2014202877155 is located in described pin-and-hole, between described spring is located at the bottom of described the inner of strong magnetic pin and the hole of pin-and-hole.This kind of structure makes Anti-theft ball valve assembling very difficult, affects the efficiency of assembling of ball valve.Strong magnetic pin one end is contained in pin-and-hole, and the other end of strong magnetic pin is contained in spacing counterbore, and strong magnetic pin all serves effect to handle longitudinal spacing and axial limiting, and therefore strong magnetic pin is stressed comparatively large, has grown easy fracture service time, has affected working life.The outer end of the strong magnetic pin described in when pressing down handle under ball valve closed condition can be held in described spacing counterbore.In the process used, in order to realize this structure, very high to the required precision of ball valve, handle is in the process pressed down, and lengthwise position and circumferential position are all in situation more accurately, and the outer end of strong magnetic pin just can be held in spacing counterbore, therefore, the cost of production of product is increased.
Also have a kind of improvement as of the present invention, the second described limit assembly comprise radial counterbore on the hole wall being located at described handle through hole, can second position limit pin attracting with magnet and the second spring; The second described position limit pin is located in described radial counterbore, and the second described spring is located at the bottom of the hole of described radial counterbore and between the second position limit pin; The interior edge face of the second position limit pin described in when bullet is in extreme higher position on described handle is against on the periphery wall of described positive stop lug boss, and the inner end that described handle presses down the second position limit pin described in when being in extreme lower position is spacing under described positive stop lug boss.After adopting this kind of structure, the assembling of the second limit assembly is very convenient, the efficiency of assembling of ball valve can be improved, second limit assembly only carries out longitudinal spacing to handle, stressed less second position limit pin is not easily fractureed, and as long as the second position limit pin of the second limit assembly is held under positive stop lug boss and just can carries out longitudinal spacing to handle, lower comparatively speaking to the required precision of product, the cost of production of product can be reduced.And the strong magnetic pin that the patent No. is the longitudinal magnetic locking device of the Anti-theft ball valve of 2014202877155 is located in described pin-and-hole, between described spring is located at the bottom of described the inner of strong magnetic pin and the hole of pin-and-hole.This kind of structure makes Anti-theft ball valve assembling very difficult, affects the efficiency of assembling of ball valve.Strong magnetic pin one end is contained in pin-and-hole, and the other end of strong magnetic pin is contained in spacing counterbore, and strong magnetic pin all serves effect to handle longitudinal spacing and axial limiting, and therefore strong magnetic pin is stressed comparatively large, has grown easy fracture service time, has affected working life.The outer end of the strong magnetic pin described in when pressing down handle under ball valve closed condition can be held in described spacing counterbore.In the process used, in order to realize this structure, very high to the required precision of ball valve, handle is in the process pressed down, and lengthwise position and circumferential position are all in situation more accurately, and the outer end of strong magnetic pin just can be held in spacing counterbore, therefore, the cost of production of product is increased.
Also having a kind of improvement as of the present invention, in the middle part of the lower end surface of described handle, being provided with the groove for being linked in outside described convex neck; The flip sleeve outside the upper end for being linked in described valve rod is provided with in described groove; The through hole of described flip sleeve is a part for described through hole; The external diameter of described flip sleeve is less than the external diameter of described convex neck; Described return spring is linked in outside described flip sleeve, and the upper end of this return spring is against the bottom land of described groove, and the lower end of this return spring is against on the upper-end surface of described convex neck.After adopting this kind of structure, structure is simple, easy to assembly, and efficiency of assembling is high.
Also have a kind of improvement as of the present invention, the periphery wall of described convex neck is provided with spacing block set, on the lower end surface of described handle and the sidewall being positioned at the groove of described groove is provided with the first arc-shaped limit groove corresponding with described spacing block set; Described spacing block set is contained in the first described arc-shaped limit groove at least partly; The degree of depth of described groove and the degree of depth of the first arc-shaped limit groove are all greater than the longitudinal stroke of described handle.After adopting this kind of structure, the first described arc-shaped limit groove and the structure of spacing block set can the angle of swing of spacing handle, and structure is simple.
Also have a kind of improvement as of the present invention, described peripheral locking device comprises the clamping block be located on convex neck periphery wall and the lower end surface being located at handle and the locking slot corresponding with described clamping block be positioned on the sidewall of described groove; Clamping block described in when bullet is in extreme higher position on described handle is separated with described locking slot; The described handle clamping block pressed down described in when being in extreme lower position is contained in described locking slot.After adopting this kind of structure, carry out locking handle by the structure of clamping block and locking slot, structure is very simple, cooperatively interacts very easy, therefore, can accurate locking handle after handle presses down, increase the reliability of ball valve use.
Also have a kind of improvement as of the present invention, the horizontal position of described clamping block is lower than the horizontal position of described spacing block set; Clamping block described in when bullet is in extreme higher position on described handle is positioned at the below of described handle.After adopting this kind of structure, the clamping block described in when bullet is in extreme higher position on described handle is positioned at the below of described handle, and such clamping block would not hinder rotatable handle, simple and reliable for structure, easy to use.
A kind of improvement is also had, on the lower end surface of described handle and the sidewall being positioned at described groove is provided with the second arc-shaped limit groove corresponding with described clamping block as of the present invention; The arc length of the second described arc-shaped limit groove and radian are all corresponding with the arc length of the first described arc-shaped limit groove and radian; Described clamping block is contained in the second described arc-shaped limit groove at least partly; Described locking slot is located at the bottom land of the second described arc-shaped limit groove; The degree of depth of the second arc-shaped limit groove is less than the longitudinal stroke of described handle.After adopting this kind of structure, the degree of depth of the second described arc-shaped limit groove is less than the longitudinal stroke of described handle, when on handle, bullet is in extreme higher position, rotatable handle locking block slides along the second arc-shaped limit groove, handle presses down clamping block when being in extreme lower position and is contained in the locking slot of the second arc-shaped limit groove bottom land, simple and reliable for structure, easy to use.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of Anti-theft ball valve lock state of the present invention.
Fig. 2 is the partial cross structural representation of Anti-theft ball valve lock state of the present invention.
Fig. 3 is the plan structure schematic diagram of the valve body of Anti-theft ball valve of the present invention.
Fig. 4 is the side-looking structural representation of the valve body of the first structure of Anti-theft ball valve of the present invention.
Fig. 5 be the handle of the first structure of Anti-theft ball valve of the present invention look up structural representation.
Fig. 6 is the side-looking structural representation of the valve body of the second structure of Anti-theft ball valve of the present invention.
Fig. 7 be the handle of the second structure of Anti-theft ball valve of the present invention look up structural representation.
Shown in figure: 1, valve body, 1.1, convex neck, 1.2, spacing block set, 1.3, clamping block, 2, valve rod, 3, spool, 4, handle, 4.1, through hole, 4.2, radial convex loop, 4.3, radial direction through hole, 4.4, radial counterbore, 4.5, groove, 4.6, the first arc-shaped limit groove, 4.7, locking slot, the 4.8, second arc-shaped limit groove, 4.9, flip sleeve, 5, return spring, 6, directional post, 6.1, positive stop lug boss, 6.2, rounding, 7, lead sealing, the 8, first position limit pin, 9, the first spring, 10, plug, the 11, second position limit pin, the 12, second spring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Refer to shown in Fig. 1 to Fig. 3, Anti-theft ball valve of the present invention, comprise valve body 1, valve rod 2, spool 3 and handle 4.Described spool 3 is located in described valve body 1.The upper end of described valve body 1 is provided with the convex neck 1.1 of hollow, and described valve rod 2 is located in described convex neck 1.1.The lower end of described valve rod 2 is connected with spool 3.Described handle 4 can be connected on described valve rod 2 by return spring 5 and External Force Acting up and downly.Handle 4 can carry out longitudinal spacing after setting position presses down longitudinal limiting device to handle 4 is provided with in the middle part of described handle 4 and between valve rod 2.Be provided with handle 4 between described handle 4 and described convex neck 1.1, after described setting position presses down, the spacing peripheral locking device of circumference carried out to handle 4.Above-mentionedly refer to, described handle 4 is after described setting position presses down, and the peripheral locking device described in while described longitudinal limiting device carries out longitudinal spacing to handle 4 carries out circumference locking to handle 4.
The middle part of described handle 4 is provided with through hole 4.1.The upper end of described valve rod 2 is provided with directional post 6.The upper end of described directional post 6 is provided with positive stop lug boss 6.1.Described through hole 4.1 is linked in outside the upper end of described valve rod 2, directional post 6 and positive stop lug boss 6.1.The hole wall at the middle part of described handle 4 through hole 4.1 is provided with radial convex loop 4.2.Described radial convex loop 4.2 is slidably fitted in outside described directional post 6, and the aperture of the endoporus of this radial convex loop 4.2 is less than the diameter of positive stop lug boss 6.1 and the length of described valve rod 2 upper end.The upper end-hole of described through hole 4.1 is sealed by lead sealing 7, avoids artificial destruction handle 4.In this specific embodiment, what the upper end of described valve rod was installed is screw.The screw portion of screw is described directional post, and the nut portion of screw is positive stop lug boss.
Described longitudinal limiting device comprises at least one group of the first limit assembly and at least one group of the second limit assembly.The first described limit assembly and the second limit assembly are oppositely arranged correspondingly.The first described limit assembly comprise radial direction through hole 4.3 on the hole wall being located at described handle 4 through hole 4.1, can be attracting with magnet the first position limit pin 8, first spring 9 and plug 10.Described plug 10 is located in the outer end of described radial direction through hole 4.3, and the first described position limit pin 8 is located in the inner of described radial direction through hole 4.3, and the first described spring 9 is located between described plug 10 and the first position limit pin 8.The interior edge face of the first position limit pin 8 described in when bullet is in extreme higher position on described handle 4 is against on the periphery wall of described positive stop lug boss 6.1, in this specific embodiment, the upper-end surface of the upper end portion of described positive stop lug boss 6.1 and the joint of positive stop lug boss 6.1 periphery wall are provided with rounding 6.2, and the interior edge face of the first position limit pin described in when bullet is in extreme higher position on described handle 4 is against on the rounding of described positive stop lug boss 6.1.It is spacing described positive stop lug boss 6.1 times that described handle 4 presses down the inner end of the first position limit pin 8 described in when being in extreme lower position.The second described limit assembly comprise radial counterbore 4.4 on the hole wall being located at described handle 4 through hole 4.1, can be attracting with magnet the second position limit pin 11 and the second spring 12.The second described position limit pin 11 is located in described radial counterbore 4.4, and the second described spring 12 is located at the bottom of the hole of described radial counterbore 4.4 and between the second position limit pin 11.The interior edge face of the second position limit pin 11 described in when bullet is in extreme higher position on described handle 4 is against on the periphery wall of described positive stop lug boss 6.1, in this specific embodiment, the interior edge face of the second position limit pin 11 described in when bullet is in extreme higher position on described handle 4 is against on the rounding 6.2 of described positive stop lug boss 6.1.It is spacing described positive stop lug boss 6.1 times that described handle 4 presses down the inner end of the second position limit pin 11 described in when being in extreme lower position.
The groove 4.5 for being linked in outside described convex neck 1.1 is provided with in the middle part of the lower end surface of described handle 4.The flip sleeve 4.9 outside the upper end for being linked in described valve rod 2 is provided with in described groove 4.5.The through hole of described flip sleeve 4.9 is a part for described through hole 4.1.The matching form of the shape of the through hole of described flip sleeve and the upper end of described valve rod, be all kidney-shaped, this kind of structure is prior art, rotatable handle band ovable valve stem can be made to rotate by this structure.The external diameter of described flip sleeve 4.9 is less than the external diameter of described convex neck 1.1.Described return spring 5 is linked in outside described flip sleeve 4.9, and the upper end of this return spring 5 is against the bottom land of described groove 4.5, and the lower end of this return spring 5 is against on the upper-end surface of described convex neck 1.1.The periphery wall of described convex neck 1.1 is provided with spacing block set 1.2, on the lower end surface of described handle 4 and the sidewall being positioned at described groove 4.5 is provided with the first arc-shaped limit groove 4.6 corresponding with described spacing block set 1.2.Described spacing block set 1.2 is contained in the first described arc-shaped limit groove 4.6 at least partly.The degree of depth of described groove 4.5 and the degree of depth of the first arc-shaped limit groove 4.6 are all greater than the longitudinal stroke of described handle 4.Adopt the object of this structure be in order to, the degree of depth that groove 4.5 and the first arc-shaped limit groove 4.6 leave can not affect handle 4 and do downward motion, and on handle 4 after bullet, spacing block set 1.2 is still connected with the first arc-shaped limit groove 4.6, and namely the upper end portion of spacing block set 1.2 is still contained in the first arc-shaped limit groove 4.6.
Described peripheral locking device comprises the clamping block 1.3 be located on convex neck 1.1 periphery wall and the lower end surface being located at handle 4 and the locking slot 4.7 corresponding with described clamping block 1.3 be positioned on the sidewall of described groove 4.5.Clamping block 1.3 described in when bullet is in extreme higher position on described handle 4 is separated with described locking slot 4.7.Described handle 4 clamping block 1.3 pressed down described in when being in extreme lower position is contained in described locking slot 4.7.Realize above-mentioned locking structure and can have following two kinds of modes:
See also shown in Fig. 4 and Fig. 5, the first, the horizontal position of described clamping block 1.3 is lower than the horizontal position of described spacing block set 1.2.Clamping block 1.3 described in when bullet is in extreme higher position on described handle 4 is positioned at the below of described handle 4, refers to, the fixture block 1.3 described in when bullet is in extreme higher position on handle 4 can not contact with handle 4, and handle 4 namely can not be hindered to rotate.
See also shown in Fig. 6 and Fig. 7, the second, on the lower end surface of described handle 4 and the sidewall being positioned at described groove 4.5 is provided with the second arc-shaped limit groove 4.8 corresponding with described clamping block 1.3.The arc length of the second described arc-shaped limit groove 4.8 and radian are all corresponding with the arc length of the first described arc-shaped limit groove 4.6 and radian.Described clamping block 1.3 is contained in the second described arc-shaped limit groove 4.8 at least partly.Described locking slot 4.7 is located at the bottom land of the second described arc-shaped limit groove 4.8.The degree of depth of the second arc-shaped limit groove 4.8 is less than the longitudinal stroke of described handle 4.
Ball valve carries out locking when being in which kind of state (standard-sized sheet, complete shut-down or half-open etc.) can by designing clamping block 1.3 and the relative position of spacing block set 1.2 on convex neck 1.1, locking slot 4.7 and the relative position of the first arc-shaped limit groove 4.6 on handle 4 decide.The first described position limit pin 8 and the second position limit pin 11 can be fabricated from iron, and also can be made up of magnetic material.
When Anti-theft ball valve of the present invention uses, when needing locking, when handle 4 rotates to setting position, press down handle 4, when handle 4 press down be in extreme lower position time, the first position limit pin 8 and the second position limit pin 9 promote by the first spring 9 and the second spring 12 respectively, extend into the below of positive stop lug boss 6.1, thus longitudinal locking handle 4, now, clamping block 1.3 also snaps in circumferential locking handle 4 in locking slot 4.7.When needing to unlock, by holding the first position limit pin 8 and the second position limit pin 11 respectively by two blocks of magnet, the first position limit pin 8 and the second position limit pin 11 is made to be retracted in radial direction through hole 4.3 and radial counterbore 4.4 respectively, now also just relieve the longitudinal spacing effect of the first position limit pin 8 and the second position limit pin 11 pairs of handles 4, handle 4 can pop up and be in extreme higher position under the effect of return spring 5, now clamping block 1.3 will exit locking slot 4.7, thus reaches the object of unblock.
Claims (10)
1. an Anti-theft ball valve, comprises valve body (1), valve rod (2), spool (3) and handle (4); Described spool (3) is located in described valve body (1); The upper end of described valve body (1) is provided with the convex neck (1.1) of hollow, and described valve rod (2) is located in described convex neck (1.1); The lower end of described valve rod (2) is connected with spool (3); Described handle (4) by return spring (5) and External Force Acting can be up and down be connected on described valve rod (2); It is characterized in that: between described handle (4) middle part and valve rod (2), be provided with handle (4) can carry out longitudinal spacing after setting position presses down longitudinal limiting device to handle (4); Be provided with handle (4) between described handle (4) and described convex neck (1.1), after described setting position presses down, the spacing peripheral locking device of circumference carried out to handle (4).
2. Anti-theft ball valve according to claim 1, is characterized in that: the middle part of described handle (4) is provided with through hole (4.1); The upper end of described valve rod (2) is provided with directional post (6); The upper end of described directional post (6) is provided with positive stop lug boss (6.1); Described through hole (4.1) is linked in the upper end of described valve rod (2), directional post (6) and positive stop lug boss (6.1) outward; The hole wall at the middle part of described handle (4) through hole (4.1) is provided with radial convex loop (4.2); Described radial convex loop (4.2) is slidably fitted in described directional post (6) outward, and the aperture of the endoporus of this radial convex loop (4.2) is less than the diameter of positive stop lug boss (6.1) and the length of described valve rod (2) upper end.
3. Anti-theft ball valve according to claim 2, is characterized in that: described longitudinal limiting device comprises at least one group of the first limit assembly and at least one group of the second limit assembly; The first described limit assembly and the second limit assembly are oppositely arranged correspondingly.
4. Anti-theft ball valve according to claim 3, is characterized in that: the first described limit assembly comprise radial direction through hole (4.3) on the hole wall being located at described handle (4) through hole (4.1), can be attracting with magnet the first position limit pin (8), the first spring (9) and plug (10); Described plug (10) is located in the outer end of described radial direction through hole (4.3), described the first position limit pin (8) is located in the inner of described radial direction through hole (4.3), and described the first spring (9) is located between described plug (10) and the first position limit pin (8); The interior edge face of the first position limit pin (8) described in when the upper bullet of described handle (4) is in extreme higher position is against on the periphery wall of described positive stop lug boss (6.1), and the inner end that described handle (4) presses down the first position limit pin (8) described in when being in extreme lower position is spacing under described positive stop lug boss (6.1).
5. Anti-theft ball valve according to claim 4, is characterized in that: the second described limit assembly comprise radial counterbore (4.4) on the hole wall being located at described handle (4) through hole (4.1), can be attracting with magnet the second position limit pin (11) and the second spring (12); Described the second position limit pin (11) is located in described radial counterbore (4.4), and described the second spring (12) is located at the bottom of the hole of described radial counterbore (4.4) and between the second position limit pin (11); The interior edge face of the second position limit pin (11) described in when the upper bullet of described handle (4) is in extreme higher position is against on the periphery wall of described positive stop lug boss (6.1), and the inner end that described handle (4) presses down the second position limit pin (11) described in when being in extreme lower position is spacing under described positive stop lug boss (6.1).
6. Anti-theft ball valve according to claim 2, is characterized in that: be provided with for being linked in described convex neck (1.1) groove outward (4.5) in the middle part of the lower end surface of described handle (4); The flip sleeve (4.9) outside the upper end for being linked in described valve rod (2) is provided with in described groove (4.5); The through hole of described flip sleeve (4.9) is a part for described through hole (4.1); The external diameter of described flip sleeve (4.9) is less than the external diameter of described convex neck (1.1); Described return spring (5) is linked in described flip sleeve (4.9) outward, the upper end of this return spring (5) is against the bottom land of described groove (4.5), and the lower end of this return spring (5) is against on the upper-end surface of described convex neck (1.1).
7. Anti-theft ball valve according to claim 6, it is characterized in that: the periphery wall of described convex neck (1.1) is provided with spacing block set (1.2), on the lower end surface of described handle (4) and the sidewall being positioned at described groove (4.5) is provided with the first arc-shaped limit groove (4.6) corresponding with described spacing block set (1.2); Described spacing block set (1.2) is contained in the first described arc-shaped limit groove (4.6) at least partly; The degree of depth of described groove (4.5) and the degree of depth of the first arc-shaped limit groove (4.6) are all greater than the longitudinal stroke of described handle (4).
8. Anti-theft ball valve according to claim 7, is characterized in that: described peripheral locking device comprises the clamping block (1.3) be located on convex neck (1.1) periphery wall and the lower end surface being located at handle (4) and the locking slot (4.7) corresponding with described clamping block (1.3) be positioned on the sidewall of described groove (4.5); Clamping block (1.3) described in when the upper bullet of described handle (4) is in extreme higher position is separated with described locking slot (4.7); Described handle (4) clamping block (1.3) pressed down described in when being in extreme lower position is contained in described locking slot (4.7).
9. Anti-theft ball valve according to claim 8, is characterized in that: the horizontal position of described clamping block (1.3) is lower than the horizontal position of described spacing block set (1.2); Clamping block (1.3) described in when the upper bullet of described handle (4) is in extreme higher position is positioned at the below of described handle (4).
10. Anti-theft ball valve according to claim 8, is characterized in that: on the lower end surface of described handle (4) and the sidewall being positioned at described groove (4.5) is provided with the second arc-shaped limit groove (4.8) corresponding with described clamping block (1.3); The arc length of the second described arc-shaped limit groove (4.8) and radian are all corresponding with the arc length of the first described arc-shaped limit groove (4.6) and radian; Described clamping block (1.3) is contained in the second described arc-shaped limit groove (4.8) at least partly; Described locking slot (4.7) is located at the bottom land of the second described arc-shaped limit groove (4.8); The degree of depth of the second arc-shaped limit groove (4.8) is less than the longitudinal stroke of described handle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208635.5A CN104864115A (en) | 2015-04-28 | 2015-04-28 | Anti-theft ball valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208635.5A CN104864115A (en) | 2015-04-28 | 2015-04-28 | Anti-theft ball valve |
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| CN104864115A true CN104864115A (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510208635.5A Pending CN104864115A (en) | 2015-04-28 | 2015-04-28 | Anti-theft ball valve |
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| CN (1) | CN104864115A (en) |
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| CN112032340A (en) * | 2020-09-01 | 2020-12-04 | 初乐锟 | Throttle valve with overflow function |
| CN112576937A (en) * | 2020-12-02 | 2021-03-30 | 李思男 | Valve opening and closing mechanism for detecting air tightness of valve |
| CN113091530A (en) * | 2021-03-03 | 2021-07-09 | 上海机电工程研究所 | Floating device suitable for infrared missile air supply mechanism |
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Application publication date: 20150826 |