Valve element assembly and pneumatic emitter

Abstract

The valve element assembly comprises an air storage component, a valve element component and a pressing ring, an air chamber is constructed in the air storage component, a connector is constructed at the front end of the air storage component, an exhaust channel is constructed in the connector, and the exhaust channel is communicated with the air chamber; a guide channel is formed in the front end of the valve element component, an exhaust hole penetrating through the rear end of the valve element component is formed in the bottom of the guide channel, and a valve element is arranged in the guide channel and used for being inserted into and retreated from the exhaust channel. The pressing ring is connected to the connector, the first sealing ring matched with the valve element is clamped between the pressing ring and the connector, and the first sealing ring is used for achieving the sealing effect when the valve element is inserted into the exhaust channel. According to the valve element assembly, the air tightness is remarkably improved, the problem of air leakage is not prone to occurring, and the throwing effect and the throwing frequency are guaranteed; and the requirement for high-pressure gas storage can be met, so that a farther throwing distance and larger throwing force can be realized, and remote glass breaking is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a broken glass ball launching device technical field, concretely relates to a valve core subassembly and pneumatic launcher. BACKGROUND

[0002] The curtain wall, ceiling, windows of various vehicles and the like of high-rise buildings are usually made of glass (such as tempered glass), which can be removed by breaking tools in the event of fire or other special circumstances. However, when breaking glass at close range, on the one hand, glass fragments fly everywhere, easily injuring personnel close to the broken glass, and on the other hand, the environment on both sides of the glass can be very different, for example, in the event of a fire or other critical situation, the environment on the inside and outside of the glass is very different, which can easily cause a flame explosion when the glass breaks, causing greater harm to personnel close to the broken glass. Therefore, in emergency rescue, emergency escape, anti-terrorist penetration of curtain walls, vehicle windows and the like with glass, a broken glass high-drill ball (referred to as a broken glass ball) made of high-hardness composite material is usually applied, which can break glass at a greater distance from the glass by throwing the broken glass ball, thereby effectively solving the risk of breaking glass at close range.

[0003] To break glass more efficiently, the prior art usually uses a dedicated broken glass device (or broken glass equipment) to throw the broken glass ball; the broken glass device can be used by hand, can be installed on a high-pressure vehicle for use, and can be suspended on a drone for use, for example, a pneumatic broken glass ball launching mechanism based on a drone disclosed in Chinese patent CN211893653U, which can be carried on a drone for use, making the structure of the broken glass device diverse. In this pneumatic broken glass ball launching mechanism suitable for drones, a power chamber and a sealing mechanism are configured to be mutually adapted, the power chamber is usually fixedly installed, and the sealing mechanism is movably arranged at one end of the power chamber and used to seal the power chamber. When the sealing mechanism is in the state of sealing the power chamber, the sealing mechanism is locked by a locking mechanism, and the air pressure in the power chamber can be increased to the required pressure for throwing the broken glass ball. When the broken glass ball needs to be thrown, the sealing mechanism is unlocked by the locking mechanism, and the sealing mechanism moves away from the power chamber under the action of the air pressure in the power chamber, so that the power chamber is connected to the launching channel, and the high-pressure gas in the power chamber can act on the broken glass ball in the launching channel, so that the broken glass ball can be thrown out by using the air pressure to achieve the purpose of breaking glass (for details, see Chinese patent CN211893653U). However, in actual application, it is found that when the sealing mechanism is in the state of sealing the power chamber, the sealing mechanism and the power chamber are prone to air leakage, which not only easily leads to insufficient air pressure in the power chamber, greatly shortens the throwing force and distance, and affects the broken glass effect, but also easily leads to a decrease in the effective throwing frequency of the gas cylinder, which needs to be solved urgently. SUMMARY

[0004] The utility model discloses first aspect to solve above -mentioned problem provides a valve core subassembly that better air tightness, not only not easy to have the problem of air leakage, and can satisfy higher pressure gas storage demand, thereby be favorable to realize farther throwing distance and greater throwing force, more favorably remote break glass, main idea is:

[0005] A valve core subassembly, comprising a gas storage component and a valve core component, further comprising a compression ring, wherein the gas storage component is internally configured with a gas chamber for accommodating gas, the front end of the gas storage component is configured with a connecting head for connecting the compression ring, the connecting head is internally configured with an exhaust passage, and the exhaust passage is in communication with the gas chamber.

[0006] The front end of the valve core component is configured with a guide passage, the bottom of the guide passage is configured with an exhaust hole penetrating through the rear end of the valve core component, and the guide passage is provided with a valve core matched with the exhaust passage, and the valve core is used for inserting and withdrawing the exhaust passage.

[0007] The compression ring is detachably connected to the connecting head, and a first sealing ring matched with the valve core is clamped between the compression ring and the connecting head, and the first sealing ring is used for sealing when the valve core is inserted into the exhaust passage. In the scheme, the connecting head is configured at the front end of the gas storage component to solve the detachable installation problem of the compression ring. By configuring the exhaust passage and the valve core matched with the exhaust passage, the valve core can be inserted into and withdrawn from the exhaust passage. Not only can the exhaust passage be blocked by inserting the exhaust passage, so that the gas in the gas chamber cannot pass through the exhaust passage, but also the exhaust passage can be opened by withdrawing the exhaust passage, so that the gas in the gas chamber can be smoothly discharged through the exhaust passage. By configuring the compression ring, the compression ring is connected to the connecting head and the first sealing ring matched with the valve core is clamped between the compression ring and the connecting head. Not only can the first sealing ring be used to achieve better sealing effect between the valve core and the exhaust passage, prevent air leakage between the valve core and the exhaust passage, and stabilize the pressure in the gas chamber, but also can achieve better and more stable throwing effect. Not only can the first sealing ring be used to achieve better sealing effect between the valve core and the exhaust passage, prevent air leakage between the valve core and the exhaust passage, and stabilize the pressure in the gas chamber, but also can achieve better and more stable throwing effect. Not only can the first sealing ring be used to achieve better sealing effect between the valve core and the exhaust passage, prevent air leakage between the valve core and the exhaust passage, and stabilize the pressure in the gas chamber, but also can achieve better and more stable throwing effect. By detachably connecting the compression ring to the connecting head, the first sealing ring can be more conveniently installed and replaced, and there is no difficulty in installation and replacement.

[0008] In order to make the structure of the whole valve core subassembly more compact, further, the compression ring is screw connected to the connecting head. By screw connection, not only the connection is firm, the installation and disassembly process is convenient, but also the structure is simpler compared with other embodiments, so that the structure of the whole valve core subassembly is more compact and the volume is smaller.

[0009] Preferably, the connecting head is configured as a cylindrical structure, and an outer side surface of the connecting head is configured with an external thread, and the compression ring is configured with an internal thread matched with the external thread.

[0010] Preferably, the compression ring comprises a cylinder body and a blocking ring connected to the cylinder body, the internal thread is configured on an inner surface of the cylinder body, and the first sealing ring is compressed between the blocking ring and an end of the connecting head. The blocking ring, the end of the connecting head and the cylinder body jointly form a ring groove for accommodating the first sealing ring, and the internal ring groove is not needed to be machined, so that the structure is simplified, the cost is reduced, and the first sealing ring is conveniently constrained and fixed.

[0011] Preferably, the blocking ring is configured as a circular ring, and an inner diameter of the blocking ring is less than or equal to an outer diameter of the valve core.

[0012] In order to achieve better sealing effect, further, an outer side surface of the connecting head and / or an inner side surface of the compression ring is configured with a ring groove, and a second sealing ring is arranged in the ring groove.

[0013] Preferably, the first sealing ring is an O-shaped sealing ring, and the second sealing ring is an O-shaped sealing ring. Not only is it beneficial to achieve better sealing effect, but also the valve core can smoothly pass through the first sealing ring.

[0014] The second aspect of the utility model is to solve the problem of reducing the throwing resistance, so that the valve core part moves more smoothly relative to the gas storage part. Further, the front end of the gas storage part is further configured with an extension part, the connecting head is connected to the extension part, and an outer side surface of the extension part is configured as a cylindrical shape; the cylinder body in the compression ring is configured as a cylinder, and an outer diameter of the cylinder body is greater than an outer diameter of the extension part.

[0015] The guide channel is configured to match the cylinder body, and the valve core part moves relative to the gas storage part through the cooperation of the guide channel and the cylinder body. In the present scheme, the extension part is configured, and the outer side surface of the extension part is configured as a cylindrical shape, so that the spring is sleeved on the extension part. The cylinder body in the compression ring is configured as a cylinder, and the outer diameter of the cylinder body is configured to be greater than the outer diameter of the extension part. At the same time, the inner diameter of the guide channel is configured to match the cylinder body, so that the valve core part can move relative to the gas storage part through the cooperation of the guide channel and the cylinder body under the action of the gas pressure. In the moving process, the outer side surface of the extension part is not contacted by the guide channel, and only the cylinder body in the compression ring contacts the valve core part and plays a guiding role in the movement of the valve core part. Not only can the contact area of the valve core part and the gas storage part be greatly reduced, but also the resistance in the movement process of the valve core part can be effectively reduced, the movement of the valve core part under the action of the gas pressure is more smooth, the power loss is less, and it is beneficial to throw the broken glass ball farther.

[0016] Further, the compression ring is made of copper. By making the compression ring of copper, the friction between the valve core component and the compression ring can be further reduced, which not only protects the valve core component, improves the service life and ensures the moving accuracy, but also makes the movement of the valve core component more smooth and the power loss less, which is beneficial to throw the broken glass ball farther.

[0017] The third aspect of the utility model is to solve the problem of reducing manufacturing difficulty and cost, further, the bottom of the guide channel is structured with a connecting hole, the connecting hole penetrates the front end of the valve core component; one end of the valve core is structured with a threaded hole matched with the connecting hole, the other end of the valve core is structured with a tightening part matched with a tightening tool; the valve core is fixed in the guide channel through the fastener matched with the threaded hole. In the scheme, the valve core can be manufactured separately, which can greatly reduce the manufacturing difficulty of machining the valve core in the guide channel, thereby reducing the cost, at the same time, the valve core can be detachably connected in the guide channel through the fastener, so that the valve core can be replaced, which is convenient for later maintenance, and is also beneficial to meet different needs.

[0018] Preferably, the outer diameter of the valve core is smaller than the inner diameter of the exhaust channel. The resistance of the exhaust channel to the valve core can be reduced, so that the movement of the valve core component is more smooth, the power loss is less, and the broken glass ball can be thrown farther.

[0019] Further, the outer side of the guide channel in the valve core component is structured with an annular clamping groove. In order to utilize the annular clamping groove to drive and connect the locking mechanism in the pneumatic launcher.

[0020] Further, the rear end of the gas storage component is structured with an interface, the interface is communicated with the gas chamber, and an internal thread is structured in the interface. In order to utilize the internal thread to detachably connect the gas cylinder connector.

[0021] Preferably, one or more planes are structured on the side surface of the gas storage component. In order to exert force through the plane to install and dismount the gas cylinder connector on the gas storage component.

[0022] A pneumatic launcher comprises the valve core assembly.

[0023] Compared with the prior art, the valve core assembly and the pneumatic launcher provided by the utility model can significantly improve the air tightness, not only can not easily cause air leakage, but also can ensure the throwing effect and throwing times, and can meet the higher pressure gas storage demand, so as to be beneficial to realize a farther throwing distance and a greater throwing force, and be more beneficial to long-distance broken glass. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can also be obtained from these drawings without creative labor.

[0025] Figure 1 A structure schematic view of a gas storage component provided in the embodiment 1 of the present application.

[0026] Figure 2 A structure schematic view of a valve core component provided in the embodiment 1 of the present application. Figure 1 A sectional view of the valve core component.

[0027] Figure 3 A structure schematic view of a valve core component provided in the embodiment 1 of the present application.

[0028] Figure 4 A sectional view of the valve core component. Figure 3

[0029] A structure schematic view of a valve core component provided in the embodiment 1 of the present application. Figure 5

[0030] A structure schematic view of a valve core assembly provided in the embodiment 1 of the present application. Figure 6

[0031] A sectional view of the valve core assembly provided in the embodiment 1 of the present application, in which the exhaust hole is in a closed state. Figure 7

[0032] A sectional view of the valve core assembly provided in the embodiment 1 of the present application, in which the exhaust hole is in an open state. Figure 8

[0033] A structure schematic view of another valve core component provided in the embodiment 1 of the present application. Figure 9

[0034] A sectional view of the valve core component. Figure 10 Figure 9

[0035] Figure 11 A sectional view of the valve core assembly provided in the embodiment 3 of the present application, in which the exhaust hole is in a closed state.

[0036] ​​Marked in the figure: gas storage component 1, gas chamber 10, extension 11, inner cavity 12, connecting head 13, external thread 14, ring groove 15, exhaust passage 16, interface 17, internal thread 18, flat surface 19; valve core component 2, guide passage 21, exhaust hole 22, annular clamping groove 23, connecting hole 24, valve core 25, threaded hole 26, tightening part 27; first sealing ring 31, second sealing ring 32; pressure ring 4, barrel 41, blocking ring 42; gas cylinder connecting head 5; fastener 6. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0038] Embodiment 1

[0039] In this embodiment, a valve core 25 assembly for a pneumatic launcher is provided, which comprises a gas storage component 1, a valve core 25 component 2, a first sealing ring 31 and a pressure ring 4, wherein, as shown in Figure 1 and Figure 2 , the gas storage component 1 is internally configured with a gas chamber 10 for containing gas, the shape and size of the gas chamber 10 can be determined according to actual needs, and the gas amount required for one-time launching process can be met. In implementation, the volume of the gas chamber 10 is smaller than the volume of the gas cylinder, so that one gas cylinder can launch multiple breakage balls.

[0040] As shown in Figure 1 and Figure 2 , the front end of the gas storage component 1 is configured with an extension 11 in the form of a rod, the front end of the extension 11 is configured with a connecting head 13 for connecting the pressure ring 4, the length of the entire gas storage component 1 is increased through the extension 11 in order to meet the use requirements in the pneumatic launcher. The connecting head 13 is internally configured with an exhaust passage 16, one end of the exhaust passage 16 penetrates through the end of the connecting head 13, and the other end communicates with the gas chamber 10 through the inner cavity 12 of the extension 11, as shown in Figure 1 and Figure 2 . In implementation, the outer side of the extension 11 can be preferentially configured in a cylindrical shape, as shown in Figure 1 and Figure 2As shown, a spring is fitted over the extension 11. Of course, in practice, the gas storage component 1 can be constructed as a single rotating structure, making the exhaust channel 16 a cylindrical channel, which facilitates its mating with the valve core 25 component 2. Furthermore, the valve core 25 component 2 can preferably be a one-piece molded component, such as... Figure 1 and Figure 2 As shown, it is easy to process and shape.

[0041] like Figure 1 and Figure 2 As shown, the rear end of the gas storage component 1 is also provided with an interface 17, which is connected to the gas chamber 10. The interface 17 has an internal thread 18 to allow for the detachable connection of the gas cylinder connector 513 using the internal thread 18. Figure 7 and Figure 8 As shown, the main function of the gas cylinder connector 513 is to pierce the seal of the gas cylinder and connect the gas cylinder to the gas chamber 10 of the gas storage component 1. Furthermore, the side of the gas storage component 1 has one or more flat surfaces 19, such as... Figure 1 and Figure 2 As shown, this allows for the application of force through the plane 19, making it easier to install and remove the gas cylinder connector 513 from the gas storage component 1.

[0042] In implementation, the first sealing ring 31 is constructed as a ring. The inner diameter of the first sealing ring 31 can be smaller than the inner diameter of the exhaust channel 16, and the outer diameter of the first sealing ring 31 can be larger than the inner diameter of the exhaust channel 16. In implementation, the first sealing ring 31 can preferably be an O-ring, and the cross-section of the first sealing ring 31 can preferably be circular. This not only helps to achieve a better sealing effect, but also allows the valve core 25 component 2 to pass through the first sealing ring 31 more smoothly, reducing the likelihood of jamming.

[0043] In this embodiment, one function of the pressure ring 4 is to securely constrain the first sealing ring 31 to the gas storage component 1. In implementation, the pressure ring 4 is detachably connected to the connector 13, and the first sealing ring 31, which is adapted to the valve core 25, is sandwiched between the pressure ring 4 and the connector 13. This facilitates the installation and replacement of the first sealing ring 31 and provides secure constraint and fixation. Another function of the pressure ring 4 is to facilitate the replacement of the first sealing ring 31. In implementation, the pressure ring 4 can be fixed to the connector 13 by adhesive or by fasteners 6 such as bolts or screws. In the preferred embodiment provided in this embodiment, the pressure ring 4 can be threaded to the connector 13, which not only provides a secure connection and facilitates installation and disassembly, but also has a simpler structure compared to other embodiments, resulting in a more compact structure and smaller size for the entire valve core 25 assembly. As an example in a specific implementation, such as... Figure 1 and Figure 2As shown, the connector 13 has a cylindrical structure, and its outer surface has an external thread 14. Meanwhile, the pressure ring 4 has an internal thread 18 that matches the external thread 14. Figure 5 , Figure 7 and Figure 8 As shown, the pressure ring 4 can be detachably connected to the connector 13 via the engagement of the internal thread 18 and the external thread 14. To facilitate the constraint and limitation of the first sealing ring 31, in one embodiment, as... Figure 5 , Figure 7 and Figure 8 As shown, the pressure ring 4 includes a cylindrical body 41 and a retaining ring 42 connected to the cylindrical body 41. The internal thread 18 is formed on the inner surface of the cylindrical body 41, and the cylindrical body 41 is threadedly connected to the connector 13. Simultaneously, the first sealing ring 31 is pressed between the retaining ring 42 and the end of the connector 13. Figure 7 and Figure 8 As shown, the retaining ring 42, the end of the connector 13, and the cylinder 41 together form an annular groove 15 for accommodating the first sealing ring 31. This eliminates the need for internal machining of the annular groove 15, simplifying the structure, reducing costs, and facilitating the constraint and fixation of the first sealing ring 31. Alternatively, in another embodiment, the annular groove 15 can be constructed at the end of the connector 13, with the first sealing ring 31 disposed within it. The retaining ring 42 can then constrain and restrict the first sealing ring 31, preventing it from detaching from the annular groove 15, thus achieving the same purpose of constraining the first sealing ring 31.

[0044] In implementation, the retaining ring 42 can preferably be constructed as a circular ring, such as... Figure 5 As shown, the inner diameter of the retaining ring 42 is less than or equal to the outer diameter of the valve core 25 in the valve core 25 assembly, so that the valve core 25 can pass smoothly through the retaining ring 42.

[0045] In implementation, valve core 25 component 2 can be integrally constructed as a cylindrical or similar cylindrical structure to reduce size and move with less resistance; such as Figure 3 and Figure 4 As shown, the rear end of valve core 25 component 2 has a guide channel 21, which penetrates the other end of valve core 25 component 2. The bottom of guide channel 21 has an exhaust port 22 that penetrates the front end of valve core 25 component 2. The exhaust port 22 is connected to guide channel 21. Figure 3 and Figure 4 As shown, the exhaust port 22 is located off-center from the guide channel 21, and the number and arrangement of the exhaust ports 22 can be determined according to actual needs. A valve core 25 adapted to the exhaust channel 16 is also provided within the guide channel 21. The valve core 25 is typically located at the center of the guide channel 21, such as... Figure 3 and Figure 4As shown, in implementation, the valve core 25 is preferably configured as a cylindrical structure, and the valve core 25 is coaxial with the guide channel 21. In use, the valve core 25 is mainly used for insertion and withdrawal of the exhaust channel 16. On the one hand, the exhaust channel 16 can be blocked by inserting the valve core 25 into the exhaust channel 16, so that the gas in the gas chamber 10 cannot pass through the exhaust channel 16, and the gas pressure in the gas chamber 10 can be raised to the required pressure, so as to prepare for the subsequent throwing of the breaking ball. On the other hand, the exhaust channel 16 can be opened by withdrawing the valve core 25 from the exhaust channel 16, so that the gas in the gas chamber 10 can be smoothly discharged through the exhaust channel 16, and finally discharged from the front end of the valve core 25 component 2 through the exhaust hole 22, so as to use the gas pressure to throw the breaking ball in the pneumatic launcher.

[0046] In the present embodiment, the guide channel 21 can be configured to fit the extension 11 in the gas storage component 1, for example, as shown in Figures 6-8 As shown, when the outer side of the extension 11 is configured as a cylindrical shape, the guide channel 21 is also configured as a cylindrical channel, so that the valve core 25 component 2 can move relative to the gas storage component 1 through the cooperation of the guide channel 21 and the extension 11, so as to use the extension 11 to support and guide the valve core 25 component 2, so that the valve core 25 component 2 can move more accurately. At this time, the barrel 41 in the pressure ring 4 can be configured as a cylinder, and the outer diameter of the cylinder can be equal to or less than the outer diameter of the extension 11.

[0047] In the pneumatic launcher, the gas storage component 1 is usually configured to be unable to move along its length direction, and the valve core 25 component 2 is usually configured to be able to move back and forth relative to the gas storage component 1. When the valve core 25 component 2 moves in the direction close to the gas storage component 1, the valve core 25 is sequentially inserted into the blocking ring 42, the first sealing ring 31 and the exhaust channel 16, until the bottom of the guide channel 21 abuts against the end of the pressure ring 4, as shown in Figure 6 and Figure 7 As shown, at this time, the first sealing ring 31 plays a sealing role between the valve core 25 and the exhaust channel 16, preventing the problem of gas leakage between the valve core 25 and the exhaust channel 16, not only making the pressure in the gas chamber 10 stable, but also realizing better and more stable throwing effect, and being conducive to bearing greater pressure without gas leakage problem, thereby being conducive to improving the pressure in the gas chamber 10 and realizing a longer throwing distance.

[0048] When the valve core 25 component 2 is unlocked by the locking mechanism in the pneumatic launcher, under the pressure of the high-pressure gas in the gas chamber 10, the valve core 25 component 2 will automatically move away from the gas storage component 1, so that the valve core 25 is sequentially withdrawn from the exhaust channel 16 and the first sealing ring 31. When the valve core 25 is separated from the first sealing ring 31, the exhaust channel 16 is connected with the exhaust hole 22 through the guide channel 21, as shown in Figure 8As shown, so that the high pressure gas in the air chamber 10 can be quickly discharged from the exhaust hole 22, and act on the breaking ball in the pneumatic launcher, so that the breaking ball can be thrown away by using the air pressure, to achieve the purpose of breaking the glass.

[0049] In implementation, the outer diameter of the valve core 25 can be equal to the inner diameter of the exhaust passage 16, of course, the outer diameter of the valve core 25 can be smaller than the inner diameter of the exhaust passage 16, at this time, the resistance of the exhaust passage 16 to the valve core 25 can be reduced, so that the movement of the valve core 25 component 2 is more smooth, and the power loss is less, which is beneficial to throw the breaking ball farther.

[0050] In implementation, the entire valve core 25 component 2 can be an integrally formed member, as shown in Figure 3 and Figure 4 ; but in order to reduce the cost, the valve core 25 in the valve core 25 component 2 can be manufactured separately and installed at the center position of the valve core 25 component 2, for example, in an embodiment, as shown in Figure 9 and Figure 10 , the bottom of the guide passage 21 in the valve core 25 component 2 is configured with a connecting hole 24, the connecting hole 24 can be configured at the center position of the guide passage 21, and the guide passage 21 penetrates the front end of the valve core 25 component 2, at the same time, the valve core 25 is configured in a cylindrical shape, one end of the valve core 25 is configured with a threaded hole 26 matching the connecting hole 24, the other end of the valve core 25 is configured with a tightening part 27 matching the tightening tool, which can be a one-letter type groove or a cross type groove, etc. In assembly, the valve core 25 can be fixed in the guide passage 21 by using a bolt or a screw etc. fastener 6 matching the threaded hole 26, as shown in Figure 10 , not only greatly reduces the manufacturing difficulty of machining the valve core 25 in the guide passage 21, but also makes the valve core 25 replaceable, which is convenient for later maintenance, at the same time, it is also beneficial to meet different needs.

[0051] In a more perfect embodiment, the outer side of the guide passage 21 in the valve core 25 component 2 is also configured with an annular clamping groove 23, as shown in Figure 3 , Figure 4 , so as to drive the locking mechanism in the pneumatic launcher by using the annular clamping groove 23, so that when the bottom of the guide passage 21 abuts against the end of the pressure ring 4, the locking mechanism in the pneumatic launcher can be clamped into the annular clamping groove 23, to achieve the purpose of locking the valve core 25 component 2, avoiding the valve core 25 component 2 to continue to move.

[0052] Example 2

[0053] The main difference between the present embodiment 2 and the above-mentioned embodiment 1 is that, in the valve core 25 assembly provided by the present embodiment, the outer side surface of the connecting head 13 and / or the inner side surface of the compression ring 4 is further configured with a ring groove 15, and a second sealing ring 32 is arranged in the ring groove 15. During the tightening of the compression ring 4, the second sealing ring 32 in the ring groove 15 can be simultaneously compressed, thereby preventing the gas leakage between the connecting head 13 and the compression ring 4, achieving better sealing effect, and ensuring that the pressure gas in the gas chamber 10 will not be lost.

[0054] For example, the end of the outer side surface of the connecting head 13 is configured with a ring groove 15, as shown in Figure 7 and Figure 8 , a second sealing ring 32 is arranged in the ring groove 15, and after the compression ring 4 is tightened, the second sealing ring 32 is just compressed between the compression ring 4 and the connecting head 13. In practice, the second sealing ring 32 can be an O-shaped sealing ring.

[0055] Embodiment 3

[0056] Due to the functional requirements, the extension part 11 is usually configured to be long. When the extension part 11 guides the valve core 25 component 2 through the cooperation with the guide channel 21, the contact area between the extension part 11 and the guide channel 21 is large, resulting in large resistance and large power loss during the movement of the valve core 25 component 2, which is not conducive to improving the utilization rate of the gas pressure power. To solve this technical problem, the main difference between the present embodiment 3 and the above-mentioned embodiment 1 or 2 is that, in the valve core 25 assembly provided by the present embodiment, the barrel 41 in the compression ring 4 is configured as a cylinder, as shown in Figure 11 , and the outer diameter of the barrel 41 is larger than the outer diameter of the extension part 11; at the same time, the guide channel 21 is configured to adapt to the barrel 41, so that the valve core 25 component 2 can move relative to the gas storage component 1 through the cooperation of the guide channel 21 and the barrel 41 under the action of the gas pressure. During the movement, the guide channel 21 does not contact the outer side surface of the extension part 11, and only the barrel 41 in the compression ring 4 contacts the valve core 25 component 2 and plays a guiding role in the movement of the valve core 25 component 2. This can greatly reduce the contact area between the valve core 25 component 2 and the gas storage component 1, thereby effectively reducing the resistance during the movement of the valve core 25 component 2, making the movement of the valve core 25 component 2 under the action of the gas pressure smoother, the power loss less, improving the utilization rate of the gas pressure power, and being conducive to throwing the broken glass ball farther.

[0057] In a further embodiment, the compression ring 4 can be made of copper, i.e., the compression ring 4 is made of copper material, thereby further reducing the friction between the valve core 25 component 2 and the compression ring 4, which can protect the valve core 25 component 2, improve the service life and ensure the movement accuracy, and make the movement of the valve core 25 component 2 smoother, the power loss less, and conducive to throwing the broken glass ball farther.

[0058] Embodiment 4

[0059] The embodiment provides a pneumatic launcher comprising the valve core 25 assembly. Of course, in a more complete scheme, the pneumatic launcher further comprises a shell, a guide barrel for guiding the throwing process of the breaking ball, a locking mechanism, a ball storage module for storing the breaking ball, a control module for controlling the locking mechanism, etc., wherein the valve core 25 assembly is arranged in the shell, the guide barrel is arranged at one end of the shell and corresponds to the valve core 25 assembly; the ball storage module can be arranged below the shell and correspond to the position between the guide barrel and the valve core 25 assembly, so as to deliver the breaking ball to the position between the guide barrel and the valve core 25 assembly, the locking mechanism is arranged at the position of the annular clamping groove 23 in the valve core 25 component 2, and the valve core 25 component 2 is unlocked or locked through cooperation with the annular clamping groove 23, so as to achieve the purpose of controlling the throwing process.

[0060] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A valve core assembly comprising a gas reservoir component and a valve core component, characterized in that, The gas storage component is provided with a gas chamber for accommodating gas, and a connecting head for connecting the compression ring is arranged at the front end of the gas storage component. The rear end of the valve core component is provided with a guide channel, and a gas exhaust hole penetrating the front end of the valve core component is arranged at the bottom of the guide channel. The compression ring is detachably connected to the connecting head, and a first sealing ring adapted to the valve core is clamped between the compression ring and the connecting head, and the first sealing ring is used to seal when the valve core is inserted into the gas exhaust channel.

2. The valve trim assembly of claim 1, wherein, The compression ring is screw-connected to the connecting head.

3. The valve trim assembly of claim 2, wherein, The connecting head is arranged in a cylindrical structure, and an outer thread is arranged on the outer side of the connecting head.

4. The valve trim assembly of claim 3, wherein, The compression ring includes a cylinder and a blocking ring connected to the cylinder, and the inner thread is arranged on the inner surface of the cylinder, and the first sealing ring is pressed between the blocking ring and the end of the connecting head.

5. The valve trim assembly of claim 4, wherein, The blocking ring is arranged in a circular ring, and the inner diameter of the blocking ring is less than or equal to the outer diameter of the valve core. And / or, the outer side of the connecting head and / or the inner side of the compression ring is provided with a ring groove, and a second sealing ring is arranged in the ring groove. And / or, the first sealing ring is an O-shaped sealing ring.

6. The valve trim assembly of claim 4, wherein, The front end of the gas storage component is also provided with an extension, and the connecting head is connected to the extension, and the outer side of the extension is arranged in a cylindrical structure; the cylinder of the compression ring is arranged in a cylindrical structure, and the outer diameter of the cylinder is greater than the outer diameter of the extension; the guide channel is arranged to adapt to the cylinder, and the valve core component moves relative to the gas storage component through the cooperation of the guide channel and the cylinder.

7. The valve trim assembly of claim 6, wherein, The compression ring is a copper component.

8. The valve trim assembly of any of claims 1-7, wherein, The bottom of the guide channel is provided with a connecting hole penetrating the front end of the valve core component; one end of the valve core is provided with a threaded hole adapted to the connecting hole, and the other end of the valve core is provided with a tightening part adapted to the tightening tool; the valve core is fixed in the guide channel through the fastener adapted to the threaded hole. And / or, the outer diameter of the valve core is less than the inner diameter of the gas exhaust channel.

9. A valve trim assembly according to any one of claims 1-7, wherein, The outer side of the guide channel in the valve core component is provided with an annular clamping groove. And / or, the rear end of the gas storage component is provided with an interface, and the interface is in communication with the gas chamber, and an inner thread is arranged in the interface. And / or, the side surface of the gas storage component is provided with one or more flat surfaces.

10. A gas operated launcher characterized by, The valve core assembly includes any one of claims 1-9.

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