A cartridge gas cylinder joint

Abstract

The present invention relates to a cartridge gas cylinder connector, which comprises a housing, a pressing part, a clamping seat, a clamping sleeve and an O-ring. The clamping seat is vertically movably arranged in the housing, and the top of the clamping seat is connected to the pressing part; a cavity is formed in the pressing part, and a spring is arranged in the cavity; the clamping sleeve is in the shape of a housing with openings on both sides, and the size of the cross-section of the clamping sleeve is gradually increased from top to bottom. The clamping sleeve is sleeved on the bottom of the clamping seat, and a clamping ring is embedded on the outer wall of the bottom of the clamping seat; the O-ring is embedded on the inner wall of the housing, and an annular rib is arranged on the outer wall of the clamping seat, and the annular rib is matched with the O-ring; at least two balls are arranged between the clamping sleeve and the housing, and ball holes corresponding to the balls are arranged on the housing. The purpose of the present invention is to provide a cartridge gas cylinder connector, which is convenient to connect with the gas cylinder and can be operated with one hand; at the same time, it is also convenient to disconnect, and can also be operated with one hand, and when disconnecting, the connector can also achieve the effect of popping out under the action of the spring, greatly improving the use experience of the connector.

Description

Technical Field

[0001] The present invention relates to the technical field of cartridge gas cylinders, and particularly to a cartridge gas cylinder joint. Background Art

[0002] A portable cartridge stove is a non-fixed cooking utensil mostly used for outdoor leisure barbecuing, which uses a gas cylinder filled with butane gas to provide fuel. For safety and convenient replacement, the gas cylinder is not fixedly connected to the cartridge stove, but is connected in a snap-fit manner through a joint when needed.

[0003] Among them, the snap-fit is mostly a rotary snap-fit, and the connection process is as follows: First, insert the joint into the connection groove of the gas cylinder, and then rotate and lock the adapter. This process requires two hands to operate, that is, one hand holds the gas cylinder, and the other hand needs to first press the joint into the connection groove of the gas cylinder and then rotate and lock it.

[0004] The use experience of the above joint needs to be improved. Summary of the Invention

[0005] The purpose of the present invention is to provide a cartridge gas cylinder joint to improve the use experience of the connection between the joint and the gas cylinder.

[0006] To achieve the above purpose, the basic scheme of the present invention is as follows:

[0007] A cartridge gas cylinder joint includes a housing, a pressing part, a clamping seat, a clamping sleeve and an O-ring. The clamping seat is vertically movably arranged in the housing, and the top of the clamping seat is connected to the pressing part; a cavity is formed in the pressing part, and a spring is arranged in the cavity; the clamping sleeve is in the shape of a housing with two open ends, and the size of the cross-section of the clamping sleeve gradually increases from top to bottom. The clamping sleeve is sleeved on the bottom of the clamping seat, and a snap ring is embedded on the outer wall of the bottom of the clamping seat; the O-ring is embedded on the inner wall of the housing, and an annular rib is arranged on the outer wall of the clamping seat, and the annular rib cooperates with the O-ring; at least two balls are arranged between the clamping sleeve and the housing, and ball holes corresponding to the balls are arranged on the housing.

[0008] During the use of the cartridge gas cylinder connector of the present application, one can hold the connector with one hand, place the housing part into the connection groove of the gas cylinder, then clamp the gas cylinder with the thumb and little finger, and then apply a force to the pressing part with the index finger, middle finger and / or ring finger, so that the clamping seat moves towards the sleeve and drives the sleeve to move towards the bottom of the connection groove. The annular rib on the clamping seat moves to the side of the O-ring close to the connection groove, and the ball falls into the ball hole as the sleeve moves, and is clamped in the connection groove through the ball hole. After the clamping, the finger releases the pressing part, and the pressing part moves away from the connection groove under the action of the spring. The annular rib on the clamping seat abuts against the side of the O-ring close to the connection groove, and the pressing part applies a force away from the connection groove to the sleeve through the clamping seat. The sleeve moves away from the connection groove and clamps the ball to prevent the ball from disengaging from the connection with the connection groove;

[0009] When it is necessary to remove the connector, similarly, clamp the gas cylinder with the thumb and little finger, and then apply a force to the pressing part with the index finger, middle finger and / or ring finger, so that the clamping seat moves towards the sleeve and drives the sleeve to move towards the bottom of the connection groove. The ball disengages from the ball hole as the sleeve moves, that is, it disengages from the connection with the connection groove. At this time, release the pressing part, and under the action of the spring, the annular rib drives the housing away from the connection groove through the O-ring, achieving the effect of automatic ejection.

[0010] In summary, the beneficial effects of the cartridge gas cylinder connector of the present application are as follows: it is convenient to connect with the gas cylinder and can be operated with one hand; at the same time, it is also convenient to disengage and can be operated with one hand, and when disengaging, it can also achieve the effect of the connector popping out under the action of the spring, greatly improving the use experience of the connector.

[0011] Preferably, the top surface and the bottom surface of the annular rib are chamfered.

[0012] Beneficial effect: The chamfer is provided to facilitate the movement of the annular rib from one side of the O-ring to the other side.

[0013] Preferably, a groove is provided inside the clamping seat.

[0014] Beneficial effect: This groove is used to cooperate with the positioning block in the connection groove of the gas cylinder.

[0015] Preferably, a first connecting column is provided at the bottom of the pressing part. A cavity is formed inside the first connecting column. A spring seat is provided in the cavity. The spring seat is vertically movably installed in the cavity. One end of the spring abuts against the pressing part, and the other end of the spring abuts against the spring seat.

[0016] Beneficial effect: The spring is installed in the cavity through the spring seat, and the spring seat abuts against the air outlet of the gas cylinder.

[0017] Preferably, a second connecting column is provided on the top of the card seat, the second connecting column penetrates through the housing, and the second connecting column is threadedly connected to the first connecting column.

[0018] Preferably, a rubber ring is provided between the first connecting column and the second connecting column.

[0019] Beneficial effect: The rubber ring improves the sealing performance between the first connecting column and the second connection.

[0020] Preferably, a first limiting strip and a second limiting strip are provided on the inner wall of the housing, and the O-ring is installed between the first limiting strip and the second limiting strip.

[0021] Beneficial effect: The O-ring is firmly installed on the inner wall of the housing by the first limiting strip and the second limiting strip.

[0022] Preferably, the pressing part includes a valve body, a valve core, an air outlet channel and an air outlet pipe, the valve core is arranged in the valve body, and the air outlet pipe is communicated with the air outlet channel.

[0023] Beneficial effect: The pressing part is integrated with the valve, making the joint have more functions. Description of the Drawings

[0024] Figure 1 It is a schematic structural diagram of a cartridge gas canister joint provided by an embodiment of the present invention;

[0025] Figure 2 It is a schematic structural diagram after the joint provided by the embodiment of the present invention is connected to the gas canister;

[0026] Figure 3 It is a top view after the joint provided by the embodiment of the present invention is connected to the gas canister;

[0027] Figure 4 is Figure 3 the sectional schematic view at A-A in;

[0028] Figure 5 is Figure 4 the enlarged schematic view at B in;

[0029] Figure 6 It is a schematic structural diagram of the card seat provided by the embodiment of the present invention;

[0030] Figure 7 It is a sectional schematic view of the housing provided by the embodiment of the present invention. Detailed Description of the Invention

[0031] The following is a further detailed description through specific embodiments:

[0032] The reference numerals in the drawings of the specification include: housing 1, pressing part 2, card seat 3, card sleeve 4, O-ring 5, cavity 6, spring 7, snap ring 8, annular rib 9, ball 10, ball hole 11, chamfer 12, groove 13, first connecting column 14, spring seat 15, second connecting column 16, rubber ring 17, first limiting strip 18, second limiting strip 19, valve body 20, valve core 21, air outlet channel 22, air outlet pipe 23, gas cylinder 24, connecting groove 25, positioning block 26, air outlet 27.

[0033] As shown in the Figure 1-7 accompanying drawings, this embodiment shows a cartridge gas cylinder connector, which includes a housing 1, a pressing part 2, a card seat 3, a card sleeve 4 and an O-ring 5. The card seat 3 is vertically movably arranged in the housing 1, and the top of the card seat 3 is connected to the pressing part 2; a cavity 6 is formed in the pressing part 2, and a spring 7 is arranged in the cavity 6; the card sleeve 4 is in the shape of a housing 1 with openings on both sides, and the size of the cross-section of the card sleeve 4 gradually increases from top to bottom. The card sleeve 4 is sleeved on the bottom of the card seat 3, and a snap ring 8 is embedded on the outer wall of the bottom of the card seat 3; the O-ring 5 is embedded on the inner wall of the housing 1, and an annular rib 9 is arranged on the outer wall of the card seat 3, and the annular rib 9 cooperates with the O-ring 5; at least two balls 10 are arranged between the card sleeve 4 and the housing 1, and ball holes 11 corresponding to the balls 10 are arranged on the housing 1.

[0034] The card sleeve 4 is in the shape of a conical housing 1.

[0035] Specifically, the fact that the card seat 3 is vertically movably arranged in the housing 1 means that when the annular rib 9 of the card seat 3 is above the O-ring 5, the O-ring 5 will limit the downward movement of the annular rib 9 to prevent the card seat 3 from detaching from the housing 1 when the connector is not connected to the gas cylinder 24; at the same time, when the annular rib 9 of the card seat 3 is above the O-ring 5, a force can be applied to the pressing part 2 to make the card seat 3 move downward. The downward movement of the card seat 3 can drive the annular rib 9 to break through the limitation of the O-ring 5 and move below the O-ring 5.

[0036] As Figure 4-5As shown, during use, the card-type gas tank connector in this embodiment can be held in one hand, and the shell 1 is partially placed in the connecting groove 25 of the gas tank 24, so that the spring 7 is aligned with the gas outlet 27 of the gas tank 24. Then, the gas cylinder 24 is clamped by the thumb and little finger, and a force is applied to the pressing part 2 by the index finger, middle finger and / or ring finger, so that the holder 3 moves downward and drives the sleeve 4 to move to the bottom of the connecting groove 25, and the annular convex strip 9 on the holder 3 moves to the bottom of the O-ring 5. The ball 10 falls into the ball hole 11 as the sleeve 4 moves, and is clamped in the connecting groove 25 through the ball hole 11; after clamping, the fingers release the pressing part 2, and the pressing part 2 moves upward under the action of the spring 7, and the annular convex strip 9 on the holder 3 abuts against the bottom of the O-ring 5. The pressing part 2 applies an upward force to the sleeve 4 through the holder 3, and the sleeve 4 moves upward and clamps the ball 10 to prevent the ball 10 from being separated from the clamping connection with the connecting groove 25, and the connection between the joint and the cylinder is completed.

[0037] When the connector needs to be removed, the thumb and little finger are used to clamp the gas cylinder 24, and then the index finger, middle finger and / or ring finger are used to apply force to the pressing part 2 to move the holder 3 downward and drive the sleeve 4 to move downward. As the sleeve 4 moves, the ball 10 disengages from the ball hole 11, that is, disengages from the connection groove 25. At this time, the pressing part 2 is released, and under the action of the spring 7, the pressing part 2 moves upward and drives the holder 3 to move upward. The upward annular convex strip 9 of the holder 3 also moves upward, and the annular convex strip 9 brings the shell 1 away from the connecting groove 25 through the interference with the O-ring 5, thereby achieving an automatic pop-up effect.

[0038] The top and bottom surfaces of the annular convex strip 9 are chamfered 12. The chamfer 12 reduces the contact area between the annular convex strip 9 and the O-ring 5, making it easier for the annular convex strip 9 to move from above the O-ring 5 to below the O-ring 5, or from below the O-ring 5 to above the O-ring 5 when the joint is connected to the gas tank 24 or when the joint is disconnected from the gas tank 24.

[0039] A groove 13 is provided inside the card holder 3. The groove 13 is provided to cooperate with the positioning block 26 in the connecting groove 25 of the gas tank 24. The gas tank 24 belongs to an existing product, and the structure in the connecting groove 25 thereof mostly has the positioning block 26.

[0040] In this embodiment, a first connecting column 14 is provided at the bottom of the pressing part 2, a cavity 6 is formed inside the first connecting column 14, a spring seat 15 is provided in the cavity 6, and the spring seat 15 can be vertically and movably installed in the cavity 6, one end of the spring 7 is against the pressing part 2, and the other end of the spring 7 is against the spring seat 15.

[0041] The spring seat 15 is movably arranged in the cavity 6, so that when the joint is connected to the gas tank 24, the spring seat 15 can be supported by the gas outlet 27 on the gas tank 24 to compress the spring 7, so that the spring 7 generates elastic force.

[0042] To prevent the spring seat 15 from falling out of the cavity 6, a limit ring can be provided at the bottom of the first connecting column 14. The aperture of the limit ring is larger than the aperture of the air outlet 27, and at the same time, the aperture of the limit ring is smaller than the size of the spring seat 15.

[0043] Furthermore, a second connecting column 16 is provided at the top of the card seat 3. The second connecting column 16 penetrates through the housing 1 and is threadedly connected to the first connecting column 14.

[0044] A rubber ring 17 is provided between the first connecting column 14 and the second connecting column 16. The rubber ring 17 improves the sealing performance between the first connecting column 14 and the second connection part, preventing the gas in the gas cylinder 24 from leaking from the connection part.

[0045] As Figure 7 shown, specifically, a first limit strip 18 and a second limit strip 19 are provided on the inner wall of the housing 1 of this embodiment, and the O-ring 5 is installed between the first limit strip 18 and the second limit strip 19.

[0046] As Figure 4-5 shown, the pressing part 2 includes a valve body 20, a valve core 21, an air outlet channel 22 and an air outlet pipe 23. The valve core 21 is arranged inside the valve body 20, and the air outlet pipe 23 is communicated with the air outlet channel 22. Among them, the air outlet pipe 23 is connected to the air inlet of the gas stove, and the gas in the gas cylinder 24 is output to the outside through the valve body 20, the valve core 21, the air outlet channel 22 and the air outlet pipe 23 in sequence.

[0047] The above are only embodiments of the present invention. Common knowledge such as specific structures and characteristics known in the solutions is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners described in the specification can be used to explain the content of the claims.

Claims

1. A cartridge gas cylinder connector, characterized in that: It includes a housing (1), a pressing part (2), a card seat (3), a card sleeve (4) and an O-ring (5). The card seat (3) is vertically movably arranged in the housing (1), and the top of the card seat (3) is connected to the pressing part (2). A cavity (6) is formed in the pressing part (2), and a spring (7) is arranged in the cavity (6). The card sleeve (4) is in the shape of a housing (1) with openings on both sides. The size of the cross-section of the card sleeve (4) gradually increases from top to bottom. The card sleeve (4) is sleeved on the bottom of the card seat (3), and a clamping ring (8) is embedded on the outer wall of the bottom of the card seat (3). The O-ring (5) is embedded on the inner wall of the housing (1). An annular rib (9) is arranged on the outer wall of the card seat (3), and the annular rib (9) is matched with the O-ring (5). At least two balls (10) are arranged between the card sleeve (4) and the housing (1), and ball holes (11) are arranged on the housing (1) corresponding to the balls (10).

2. The cartridge gas canister joint according to claim 1, wherein: The top and bottom surfaces of the annular rib (9) are chamfered (12).

3. The cassette gas cylinder connector according to claim 1, characterized in that: A groove (13) is arranged inside the card seat (3).

4. The cartridge gas canister connector according to claim 1, characterized in that: A first connecting column (14) is arranged at the bottom of the pressing part (2). The cavity (6) is formed inside the first connecting column (14). A spring seat (15) is arranged in the cavity (6). The spring seat (15) is vertically movably installed in the cavity (6). One end of the spring (7) abuts against the pressing part (2), and the other end of the spring (7) abuts against the spring seat (15).

5. The cartridge gas cylinder joint according to claim 4, wherein: A second connecting column (16) is arranged at the top of the card seat (3). The second connecting column (16) penetrates through the housing (1), and the second connecting column (16) is threadedly connected to the first connecting column (14).

6. The cartridge gas cylinder joint according to claim 5, characterized in that: A rubber ring (17) is arranged between the first connecting column (14) and the second connecting column (16).

7. A cartridge gas cylinder joint according to claim 1, characterized in that: A first limiting strip (18) and a second limiting strip (19) are arranged on the inner wall of the housing (1), and the O-ring (5) is installed between the first limiting strip (18) and the second limiting strip (19).

8. The cassette gas cylinder joint according to claim 1, characterized in that: The pressing part (2) includes a valve body (20), a valve core (21), an air outlet channel (22) and an air outlet pipe (23). The valve core (21) is arranged in the valve body (20), and the air outlet pipe (23) is communicated with the air outlet channel (22).

Images