CN108953748B - Pin type self-locking device and valve for liquefied gas cylinder - Google Patents
Pin type self-locking device and valve for liquefied gas cylinder Download PDFInfo
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- CN108953748B CN108953748B CN201811132767.4A CN201811132767A CN108953748B CN 108953748 B CN108953748 B CN 108953748B CN 201811132767 A CN201811132767 A CN 201811132767A CN 108953748 B CN108953748 B CN 108953748B
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- 230000007246 mechanism Effects 0.000 claims description 27
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- F16K35/00—Means to prevent accidental or unauthorised actuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a pin type self-locking device and a valve for a liquefied gas cylinder, wherein the pin type self-locking device can be detachably arranged on the valve of the liquefied gas cylinder and is used for realizing a self-locking function; the pin type self-locking device provided by the invention has the advantages of simple structure and wide application range, is convenient to install, can be detachably arranged on the valve and is convenient to replace, has a self-locking function, and can not be disassembled by a special tool after the self-locking device is arranged on the valve, so that a non-professional worker can be prevented from randomly replacing the valve of the liquefied gas cylinder, and particularly, the valve can be prevented from being replaced by a valve regulated (or formulated) by a non-gas cylinder manufacturer, and the potential safety hazard problem of the liquefied gas cylinder in the prior art can be effectively solved.
Description
Technical Field
The invention relates to the technical field of mechanical engineering, in particular to a pin type self-locking device and a valve for a liquefied gas cylinder.
Background
A liquefied gas bottle (liquefied gas steel bottle) is a steel bottle for storing liquefied gas, in the prior art, a commonly used liquefied gas bottle generally comprises a bottle body and a valve, wherein the bottle body is of a hollow structure so as to provide space for storing the liquefied gas, a bottle neck is arranged at the upper part of the bottle body, a bottle mouth channel is arranged on the bottle neck and used for communicating the inside of the bottle body, and the bottle mouth channel is provided with internal threads so as to be connected with the valve; the valve generally comprises a valve body and a plug, wherein the plug is a cylindrical rod provided with external threads, a hand wheel is arranged at one end of the plug, the valve body is of a T-shaped tee joint structure, the external threads are arranged at one end of the valve body and are used for being matched with the internal threads in a bottle opening channel, the connection between the valve and a bottle body is achieved, the internal threads are arranged at the other end of the valve body and are used for being matched with the external threads on the plug, in the actual use process, a user can adjust the screwing length of the plug and the valve body by screwing the hand wheel, so that the valve is opened/closed, and the remaining end of the valve body is used for being connected with a gas pipe to convey liquefied gas of the bottle body to a required position.
In the prior art, the valve of the liquefied gas cylinder is very simple and easy to assemble and disassemble, and a non-professional person can randomly replace the valve of the liquefied gas cylinder, especially when the valve is replaced by a valve regulated (or formulated) by a non-gas cylinder manufacturer, the liquefied gas cylinder has a great potential safety hazard.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the self-locking device with a self-locking function, which can effectively avoid the random disassembly or replacement of the valve by non-professionals.
The technical scheme adopted by the invention is as follows:
the pin type self-locking device is detachably arranged on a valve of a liquefied gas cylinder and is used for realizing a self-locking function. Avoiding the valve from being easily detached from the liquefied gas cylinder.
In a preferred scheme, the self-locking device comprises a base and a self-locking core body, wherein the base is provided with a vent hole, the vent hole penetrates through two ends of the base, one end of the base is provided with external threads, and the external threads are used for connecting a valve; the self-locking core body is arranged on the base and used for locking the valve.
Preferably, the base is of a cylindrical structure, or the base is formed by butt joint of two sections of cylinders, the inner diameters of the two sections of cylinders are the same, the thicknesses of the two sections of cylinders are different, and the external threads are arranged on the cylinders with smaller thicknesses.
In one scheme, the self-locking core comprises a self-locking mechanism, the self-locking mechanism comprises a reset spring and a self-locking bolt, a positioning hole is formed in the base, the self-locking bolt is contained in the positioning hole, one end of the reset spring is connected with the self-locking bolt, the other end of the reset spring is fixed to the inner wall of the vent hole, and the self-locking bolt is used for extending out of the base under the action of the elastic force of the reset spring. So as to realize the self-locking function.
In another scheme, the self-locking core comprises a spring base and at least one self-locking mechanism, wherein the spring base is fixed in the vent hole and is used for supporting the self-locking mechanism; the self-locking mechanism comprises a reset spring and a self-locking bolt respectively, one end of the reset spring is connected with the self-locking bolt, the other end of the reset spring is fixed on the spring base, positioning holes are formed in the positions, corresponding to the self-locking bolts, on the base, the self-locking bolts are respectively accommodated in the positioning holes, and the self-locking bolts are used for extending out of the base under the action of elasticity of the reset spring. So as to realize the self-locking function.
Preferably, the self-locking core body comprises two self-locking mechanisms, and the two self-locking mechanisms are respectively arranged on two sides of the spring base and form a cross structure with the spring base.
Preferably, the spring base comprises a bottom plate and connecting rods respectively arranged at two sides of the bottom plate.
Preferably, the bottom plate is a rectangular plate or a circular plate.
Further, the self-locking core body further comprises two fixing bolts, the two fixing bolts are respectively fixed at two ends of the spring base, and the fixing bolts are provided with external threads; the base is provided with mounting holes corresponding to the positions of the fixing bolts respectively, the mounting holes are provided with internal threads, and the fixing bolts are mounted and adjusted through the cooperation of the external threads and the internal threads.
Preferably, the spring mount and the two fixing pins are an integrally formed member.
Preferably, the outer side of the base is processed into a platform at the positions corresponding to the positioning holes and the mounting holes. So as to facilitate the installation and use of the self-locking core.
The utility model provides a liquefied gas bottle valve, includes bottle valve and aforesaid self-locking device, be used for connecting the one end of liquefied gas bottle on the bottle valve and be provided with the internal thread, the internal thread with the external screw thread on the self-locking device cooperatees for realize the detachable connection of bottle valve and self-locking device.
Compared with the prior art, the pin type self-locking device and the valve for the liquefied gas cylinder provided by the invention have the following beneficial effects:
1. the pin type self-locking device is simple in structure, convenient to install, capable of being detachably arranged on a valve and convenient to replace, and on the other hand, has a self-locking function, and can not be detached after the self-locking device is arranged on the valve without using special tools, so that a non-professional worker can be prevented from randomly replacing the valve of the liquefied gas cylinder, the valve can be prevented from being replaced by the valve regulated (or formulated) by a non-gas cylinder manufacturer, and the potential safety hazard problem existing in the liquefied gas cylinder in the prior art can be effectively solved.
2. The pin type self-locking device has wide application range, and can be firmly connected to the valve by processing a section of internal thread on the corresponding valve in the use process and matched with the valve for use so as to realize the self-locking function.
3. The pin type self-locking device can be provided with a plurality of self-locking mechanisms, and each self-locking mechanism is respectively provided with a self-locking bolt, so that the pin type self-locking device has stronger self-locking capability and more firm self-locking.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Drawings
Fig. 1 is a schematic structural view of a base in a pin-type self-locking device according to embodiment 1 of the present invention.
Fig. 2 is a schematic view of another structure of the base in the pin-type self-locking device according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of a self-locking mechanism in the pin-type self-locking device provided in embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of a pin-type self-locking device according to embodiment 1 of the present invention.
Fig. 5 is a front view of the pin type self-locking device shown in fig. 4 when disposed on a valve.
Fig. 6 is a schematic view of the valve with the pin-type self-locking device shown in fig. 5, after being arranged on a liquefied gas cylinder, and realizing the self-locking function.
Fig. 7 is a bottom view of a pin type self-locking device provided in embodiment 2 of the present invention.
Fig. 8 is a schematic structural diagram of a self-locking cylinder in the pin-type self-locking device according to embodiment 2 of the present invention.
Fig. 9 is a bottom view of the self-locking cylinder body of fig. 8 after it is disposed within the base.
Fig. 10 is a schematic structural view of a spring base in the pin-type self-locking device according to embodiment 3 of the present invention.
Fig. 11 is a schematic structural diagram of a self-locking cylinder in the pin-type self-locking device according to embodiment 3 of the present invention.
Fig. 12 is a schematic three-dimensional structure of the entire pin-type self-locking device after the self-locking core shown in fig. 11 is disposed in the base.
Fig. 13 is a bottom view of fig. 12.
Fig. 14 is an assembled schematic view of a valve for a liquefied gas cylinder according to embodiment 3 of the present invention.
Fig. 15 is a schematic structural diagram of a liquefied gas cylinder according to embodiment 3 of the present invention.
Fig. 16 is a schematic view showing a partial structure of the valve shown in fig. 14 after being arranged on the liquefied gas cylinder shown in fig. 15 and self-locked.
Description of the drawings
The self-locking means 101 are provided with a locking device,
base 201, vent 202, cylinder one 203, cylinder two 204, positioning hole 205, mounting hole 206, platform 207,
self-locking cylinder 301, self-locking mechanism 302, return spring 303, self-locking latch 304, spring mount 305, bottom plate 306, connecting rod 307, fixing latch 308,
the external threads 401, the internal threads 402,
a cylinder valve 501, a valve body 502, a plug 503, a cylinder joint 504, a plug joint 505, an air pipe joint 506, a hand wheel 507, a lock nut 508,
liquefied gas bottle 601, bottleneck 602, bottleneck channel 603.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
The embodiment provides a pin type self-locking device, this self-locking device can be detachable set up in the valve of liquefied gas cylinder to when installing the valve on liquefied gas cylinder, this self-locking device can follow the installation of valve and get into in the liquefied gas cylinder, thereby lock the valve in the liquefied gas cylinder, realize the self-locking function, can effectively avoid the valve to break away from the liquefied gas cylinder easily.
In the actual use process, after the self-locking device is arranged on the valve, a special tool is not used, and the valve cannot be disassembled, so that a non-professional (professional) can be prevented from randomly replacing the valve of the liquefied gas cylinder, and particularly, the valve can be prevented from being replaced by a valve regulated (or formulated) by a non-gas cylinder manufacturer, and the potential safety hazard problem of the liquefied gas cylinder in the prior art can be effectively solved.
In the following embodiments, some preferred self-locking devices and valves are described in detail.
Example 1
In this embodiment, a pin-type self-locking device is provided, the self-locking device 101 includes a base 201 and a self-locking cylinder 301, a vent 202 is provided on the base 201, and the vent 202 penetrates through the upper and lower ends of the base 201, preferably, a vent 202 is provided along the direction of the center line (or axis) of the base 201, the vent 202 is mainly used for the entry and exit (circulation) of liquefied gas, one end of the base 201 is provided with an external thread 401, and the external thread 401 is used for connecting a valve, so that the self-locking device 101 can be detachably provided on the valve; the self-locking core 301 is disposed on the base 201, and the self-locking core 301 is used for locking the valve.
The self-locking device 101 is connected with the valve through threads, so that the self-locking device 101 is wide in application range, and in the use process, the pin-type self-locking device 101 can be firmly connected to the valve and matched with the valve for use only by machining a section of internal thread 402 on the corresponding valve, and finally, the self-locking function is realized.
As shown in fig. 1, alternatively, the base 201 may have a cylindrical structure; on the one hand, the external thread 401 is convenient to process at one end of the base 201, and on the other hand, the hollow part of the cylindrical structure can just form the vent 202, which is beneficial to reducing the processing procedures of the base 201 and reducing the cost.
As shown in fig. 2, in this embodiment, the base 201 is formed by butting two sections of cylinders, the inner diameters of the two sections of cylinders are the same but the thicknesses are different, and the external thread 401 is provided on the cylinder with smaller thickness; specifically, the two cylinders may be a first cylinder 203 and a second cylinder 204, where the first cylinder 203 has the same inner diameter as the second cylinder 204, the second cylinder 204 has a thickness greater than that of the first cylinder 203, and the external thread 401 is disposed outside the first cylinder 203.
In order to allow the self-locking device 101 to be installed in a cylinder lock and then extend into a liquefied gas cylinder, the maximum outer diameter of the base 201 (e.g., the outer diameter of the second cylinder 204) cannot be greater than the minimum diameter of the finish passageway in the neck of the liquefied gas cylinder.
As shown in fig. 3 and 4, in the self-locking device 101 provided in this embodiment, the self-locking core 301 includes a self-locking mechanism 302, the self-locking mechanism 302 includes a return spring 303 and a self-locking pin 304, one end of the return spring 303 is connected (fixed) to the self-locking pin 304, and the other end is fixed to the inner wall of the ventilation hole 202; a positioning hole 205 is formed in the base 201 at a position corresponding to the self-locking bolt 304, the self-locking bolt 304 is accommodated in the positioning hole 205, and the positioning hole 205 plays a role in positioning the self-locking bolt 304; when in use, the self-locking bolt 304 can extend out of the base 201 under the elastic force of the return spring 303 and is clamped at the bottleneck of the liquefied gas cylinder, thereby realizing the self-locking function.
When the valve is installed, the self-locking device 101 and the valve are connected into a whole through threads, as shown in fig. 5, then the self-locking plug 304 can be compressed manually, so that the self-locking plug 304 does not exceed the side wall of the base 201, and the reset spring 303 is in a compressed state, so that the self-locking device 101 can be conveniently arranged in the liquefied gas cylinder through the bottle mouth channel of the liquefied gas cylinder, after the self-locking plug 304 of the self-locking core 301 passes through the range of the bottle mouth channel, the self-locking plug 304 can extend out of the positioning hole 205 of the base 201 under the action of the elasticity of the reset spring 303 and is clamped at the bottleneck of the liquefied gas cylinder, as shown in fig. 6, so that the valve cannot be easily disassembled, and the self-locking purpose is achieved.
Example 2
In this embodiment 2, a pin-type self-locking device is provided, which is mainly different from embodiment 1 in that in this embodiment, the self-locking cylinder 301 includes a spring base 305 and at least one self-locking mechanism 302, the spring base 305 is fixed in the air hole 202, the spring base 305 is used for supporting the self-locking mechanism 302, each of the lock mechanisms 302 includes a return spring 303 and a self-locking plug 304, one end of the return spring 303 is connected with the self-locking plug 304, and the other end is fixed to the spring base 305; the base 201 is provided with positioning holes 205 at positions corresponding to the self-locking pins 304, the self-locking pins 304 are respectively accommodated in the positioning holes 205, and the positioning holes 205 play a role in positioning the self-locking pins 304; when in use, the self-locking bolt 304 can extend out of the base 201 under the elastic force of the return spring 303 and is clamped at the bottleneck of the liquefied gas cylinder, thereby realizing the self-locking function.
For example, as shown in fig. 7, in a possible solution, the self-locking core 301 includes a spring base 305 and a self-locking mechanism 302, in the self-locking mechanism 302, one end of the return spring 303 is fixed to the self-locking bolt 304, the other end of the return spring is fixed to the spring base 305, the spring base 305 can support the return spring 303, especially in the process of compressing the return spring 303, the spring base 305 can keep one end of the return spring 303 fixed, and the other end of the return spring 303 contracts to retract the return spring 303, so that the automatic bolt is retracted into the base 201, and the installation of the base 201 is prevented from being affected by the automatic bolt.
In a preferred solution, as shown in fig. 8 and 9, the self-locking core 301 includes two self-locking mechanisms 302, where the two self-locking mechanisms 302 are respectively disposed on two sides of the spring base 305, and form a cross structure with the spring base 305; at this time, the spring mount 305 provides support for both self-locking mechanisms 302.
As shown in fig. 8, in the present embodiment, the spring base 305 includes a bottom plate 306 and connecting rods 307 respectively disposed on two sides of the bottom plate 306, the bottom plate 306 is used for connecting the return springs 303, and the connecting rods 307 are used for respectively connecting to the inner walls of the air holes 202, so as to fix the spring base 305; preferably, the bottom plate 306 may be a rectangular plate or a circular plate, as shown in fig. 8, and in this embodiment, the bottom plate 306 is preferably a circular plate (or referred to as a cylindrical plate).
Example 3
In this embodiment 3, a pin-type self-locking device is provided, which is mainly different from embodiment 2 in that in this embodiment, the self-lock cylinder body 301 further includes two fixing pins 308, the two fixing pins 308 are respectively fixed at two ends of the spring base 305, as shown in fig. 10, the fixing pins 308 are provided with external threads 401, the positions corresponding to the fixing pins 308 on the base 201 are respectively provided with mounting holes 206, the mounting holes 206 are provided with internal threads 402, and the mounting and position adjustment of the fixing pins 308 can be achieved through the cooperation of the external threads 401 and the internal threads 402.
The process of installing the self-locking cylinder 301 may be: firstly, the spring base 305 is installed in the base 201 by utilizing the cooperation of the fixing bolt 308 and the mounting hole 206, then the self-locking bolt 304 in the self-locking mechanism 302 is connected with one end of the reset spring 303, the self-locking bolt 304 is arranged in the corresponding positioning hole 205, and finally the other end of the reset spring 303 is fixed on the spring base 305, specifically, the bottom plate 306 of the spring base 305, as shown in fig. 11; the effect of the lock cylinder 301 after it is mounted on the base 201 is shown in fig. 12.
Alternatively, the spring mount 305 and the two retaining latches 308 may be integrally formed together.
As shown in fig. 12 and 13, further, the outer side of the base 201 is processed into a platform 207 at the positions corresponding to the positioning hole 205 and the mounting hole 206, so that when the valve is mounted and the self-locking bolt 304 is compressed manually, the self-locking bolt 304 is retracted into the base 201, and the operation is more convenient for the operator, which is beneficial to making the process of the self-locking device 101 being mounted into the liquefied gas cylinder smoother.
Example 4
The embodiment provides a valve for a liquefied gas cylinder, including a cylinder valve 501 and the self-locking device 101 in embodiment 1 or embodiment 2 or embodiment 3, one end of the cylinder valve 501 for connecting with the liquefied gas cylinder 601 is provided with an internal thread 402, the internal thread 402 cooperates with an external thread 401 on the self-locking device 101, so as to realize detachable connection of the cylinder valve 501 and the self-locking device 101.
As shown in fig. 14, in one solution provided in this embodiment, the bottle valve 501 includes a valve body 502 and a plug 503, where the plug 503 is a cylindrical rod provided with an external thread 401, and a hand wheel 507 is provided at one end of the plug 503;
the valve body 502 comprises a gas cylinder joint 504, a plug joint 505 and a gas pipe joint 506, wherein the gas cylinder joint 504, the plug joint 505 and the gas pipe joint 506 are communicated with each other and form a T-shaped three-way structure, and the gas cylinder joint 504 and the plug joint 505 are coaxial;
the gas cylinder connector 504 is provided with an external thread 401 and an internal thread 402, the external thread 401 of the gas cylinder connector 504 is used for connecting the liquefied gas cylinder 601, so that the connection between the valve and the liquefied gas cylinder 601 is realized, for example, as shown in fig. 15, a bottleneck channel 603 is usually arranged at a liquefied gas cylinder bottleneck 602, the bottleneck channel 603 is provided with the internal thread 402, and the connection between the valve and the liquefied gas cylinder 601 can be realized through the cooperation of the external thread 401 of the gas cylinder connector 504 and the internal thread 402 of the bottleneck channel 603; the internal thread 402 of the gas cylinder connector 504 is used for connecting the self-locking device 101, specifically, the detachable connection between the valve and the self-locking device 101 can be realized by matching the internal thread 402 of the gas cylinder connector 504 with the external thread 401 on the base 201 of the self-locking device 101;
the plug connector 505 is provided with an internal thread 402 for connecting the plug 503; specifically, the plug 503 may be inserted into the plug connector 505 by using the fit between the external thread 401 on the plug 503 and the internal thread 402 on the plug connector 505, and the user may adjust the screwing length of the plug 503 through the hand wheel 507, so as to adjust the position of the plug 503 relative to the valve body 502, and further realize the functions of opening and closing the valve, adjusting the opening of the valve, and the like; as shown in fig. 14, in this embodiment, the locking device further includes two locking nuts 508, where the two locking nuts 508 are disposed on the plug 503 and are located on two sides of the hand wheel 507, respectively, for locking the hand wheel 507;
the gas cylinder joint 504 is used for connecting a gas pipe so as to convey the liquefied gas in the liquefied gas cylinder 601 to a required position; for example, in the present embodiment, the gas cylinder connector 504 is provided with external threads 401 to facilitate connection to a gas pipe.
As shown in fig. 16, when the valve is mounted on a liquefied gas bottle 601, the self-locking device 101 is connected with the valve body 502 of the valve into a whole through threaded connection, then the gas bottle connector 504 of the valve is screwed into the bottle neck channel 603 of the liquefied gas bottle neck 602 to realize the fastening connection of the valve and the liquefied gas bottle 601, after the valve is mounted in place, the self-locking plug 304 in the self-locking device 101 extends out of the base 201 under the action of the elastic force of the corresponding spring and is clamped at the bottle neck 602 of the liquefied gas bottle 601, so that the self-locking function is realized, and the valve is difficult or impossible to detach under the condition of no special tool, thereby effectively eliminating the potential safety hazard problem.
Optionally, when the valve is removed (at this time, liquefied gas in the liquefied gas bottle 601 must be used up), the plug 503 may be removed from the plug connector 505 first, so that the inside of the liquefied gas bottle 601 is sequentially connected with the outside through the base 201, the gas bottle connector 504 and the plug connector 505, at this time, a removing person may utilize an iron sheet, then stretch one end of the iron sheet from the plug connector 505 to the position of the self-locking core 301 of the self-locking device 101, and then hammer the other end of the iron sheet to hammer the other end of the iron sheet, break the return spring 303 and/or the spring base 305, so that the self-locking plug 304 falls off, thereby losing the self-locking function, and finally, the valve may be removed from the liquefied gas bottle 601.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.
Claims (7)
1. The pin type self-locking device is characterized by being detachably arranged on a valve of a liquefied gas cylinder and used for realizing a self-locking function; the self-locking valve comprises a base and a self-locking core body, wherein the base is provided with a vent hole, the vent hole penetrates through two ends of the base, one end of the base is provided with external threads, and the external threads are used for connecting a valve; the self-locking core body is arranged on the base and is used for locking the valve;
the self-locking core body comprises a spring base, two fixing bolts and at least one self-locking mechanism, wherein the spring base is fixed in the vent hole and is used for supporting the self-locking mechanism; the self-locking mechanism comprises a reset spring and a self-locking bolt respectively, one end of the reset spring is connected with the self-locking bolt, the other end of the reset spring is fixed on the spring base, positioning holes are respectively formed in the positions, corresponding to the self-locking bolts, on the base, the self-locking bolts are respectively accommodated in the positioning holes, and the self-locking bolts are used for extending out of the base under the action of elasticity of the reset spring;
the two fixing bolts are respectively fixed at two ends of the spring base and are provided with external threads; the base is provided with mounting holes corresponding to the positions of the fixing bolts respectively, the mounting holes are provided with internal threads, and the fixing bolts are mounted and adjusted through the cooperation of the external threads and the internal threads.
2. The pin type self-locking device according to claim 1, wherein the base is of a cylindrical structure, or the base is formed by butt joint of two sections of cylinders, the inner diameters of the two sections of cylinders are the same, the thicknesses of the two sections of cylinders are different, and the external threads are arranged on the cylinders with smaller thicknesses.
3. The pin type self-locking device according to claim 1 or 2, wherein the self-locking core body comprises a self-locking mechanism, one end of the return spring is connected with the self-locking bolt, and the other end is fixed on the inner wall of the vent hole.
4. The pin-type self-locking device according to claim 1 or 2, wherein the self-locking core comprises two self-locking mechanisms which are respectively arranged at two sides of the spring base and form a cross-shaped structure with the spring base.
5. The pin type self-locking device according to claim 1 or 2, wherein the spring base comprises a bottom plate and connecting rods respectively arranged at two sides of the bottom plate; the bottom plate is a rectangular plate or a circular plate.
6. The pin type self-locking device according to claim 1 or 2, wherein the outer side of the base is processed into a platform at positions corresponding to the positioning hole and the mounting hole, respectively.
7. A valve for a liquefied gas cylinder, comprising a cylinder valve and the pin type self-locking device of any one of claims 1-6, wherein one end of the cylinder valve for connecting the liquefied gas cylinder is provided with an internal thread, and the internal thread is matched with an external thread on the pin type self-locking device for realizing the detachable connection of the cylinder valve and the pin type self-locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132767.4A CN108953748B (en) | 2018-09-27 | 2018-09-27 | Pin type self-locking device and valve for liquefied gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132767.4A CN108953748B (en) | 2018-09-27 | 2018-09-27 | Pin type self-locking device and valve for liquefied gas cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953748A CN108953748A (en) | 2018-12-07 |
| CN108953748B true CN108953748B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811132767.4A Active CN108953748B (en) | 2018-09-27 | 2018-09-27 | Pin type self-locking device and valve for liquefied gas cylinder |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483366A (en) * | 1980-07-31 | 1984-11-20 | Leonard Labita | Locking valve |
| DE10050024A1 (en) * | 1999-10-12 | 2001-05-23 | Vti Ventil Technik Gmbh | Valve arrangement for gas canister has stop valve in screw-on housing, pressure regulator with housing, connecting spigot and stop. |
| CN200971974Y (en) * | 2006-10-27 | 2007-11-07 | 张瀚文 | Non-repeat filling bottle valve |
| CN202188303U (en) * | 2011-07-22 | 2012-04-11 | 周志轩 | Anti-disassembling device of liquefied gas cylinder valve |
| CN103672141A (en) * | 2013-12-10 | 2014-03-26 | 严灿� | Novel air-inflation-preventing gas valve |
| CN205956537U (en) * | 2016-08-12 | 2017-02-15 | 深圳安博智控科技有限公司 | Valve body is prevented dismouting and is put for liquefied gas cylinder |
| CN206487926U (en) * | 2016-12-28 | 2017-09-12 | 深圳市兰洋科技有限公司 | Liquefied gas bottle valve and its tamper component |
| CN206682604U (en) * | 2017-04-28 | 2017-11-28 | 浙江金象科技有限公司 | Steel cylinder and valve fixed structure |
| CN206723573U (en) * | 2017-04-27 | 2017-12-08 | 深圳市兰洋科技有限公司 | Valve anti-disassembling mechanism and valve external member |
| CN107701918A (en) * | 2017-11-03 | 2018-02-16 | 广东奇才阀门科技有限公司 | The antiwithdrawal device of cylinder valve |
| CN108036192A (en) * | 2017-12-31 | 2018-05-15 | 浙江镔利科技有限公司 | A kind of anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door |
| CN207437909U (en) * | 2017-10-17 | 2018-06-01 | 王莉红 | Valve limitation dismounting component and valve |
| CN207864757U (en) * | 2017-08-21 | 2018-09-14 | 江苏民生重工有限公司 | A kind of intelligence gas cylinder Anti-dismantling valve |
| CN209213171U (en) * | 2018-09-27 | 2019-08-06 | 四川百平机电设备有限公司 | A kind of pin type self-locking device and the valve for liquefied gas bottle |
-
2018
- 2018-09-27 CN CN201811132767.4A patent/CN108953748B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483366A (en) * | 1980-07-31 | 1984-11-20 | Leonard Labita | Locking valve |
| DE10050024A1 (en) * | 1999-10-12 | 2001-05-23 | Vti Ventil Technik Gmbh | Valve arrangement for gas canister has stop valve in screw-on housing, pressure regulator with housing, connecting spigot and stop. |
| CN200971974Y (en) * | 2006-10-27 | 2007-11-07 | 张瀚文 | Non-repeat filling bottle valve |
| CN202188303U (en) * | 2011-07-22 | 2012-04-11 | 周志轩 | Anti-disassembling device of liquefied gas cylinder valve |
| CN103672141A (en) * | 2013-12-10 | 2014-03-26 | 严灿� | Novel air-inflation-preventing gas valve |
| CN205956537U (en) * | 2016-08-12 | 2017-02-15 | 深圳安博智控科技有限公司 | Valve body is prevented dismouting and is put for liquefied gas cylinder |
| CN206487926U (en) * | 2016-12-28 | 2017-09-12 | 深圳市兰洋科技有限公司 | Liquefied gas bottle valve and its tamper component |
| CN206723573U (en) * | 2017-04-27 | 2017-12-08 | 深圳市兰洋科技有限公司 | Valve anti-disassembling mechanism and valve external member |
| CN206682604U (en) * | 2017-04-28 | 2017-11-28 | 浙江金象科技有限公司 | Steel cylinder and valve fixed structure |
| CN207864757U (en) * | 2017-08-21 | 2018-09-14 | 江苏民生重工有限公司 | A kind of intelligence gas cylinder Anti-dismantling valve |
| CN207437909U (en) * | 2017-10-17 | 2018-06-01 | 王莉红 | Valve limitation dismounting component and valve |
| CN107701918A (en) * | 2017-11-03 | 2018-02-16 | 广东奇才阀门科技有限公司 | The antiwithdrawal device of cylinder valve |
| CN108036192A (en) * | 2017-12-31 | 2018-05-15 | 浙江镔利科技有限公司 | A kind of anti-disassembling device for liquefied gas bottle intelligence overfill-limiting valve door |
| CN209213171U (en) * | 2018-09-27 | 2019-08-06 | 四川百平机电设备有限公司 | A kind of pin type self-locking device and the valve for liquefied gas bottle |
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