Self-locking adapter for gas cylinder connector
Through the clamping and pressing mechanism of the self-locking converter, the problems of inconvenient operation and poor sealing effect of the cylinder valve structure in terms of connection and sealing are solved, and the rapid, stable and efficient sealing of the cylinder connection is achieved.
Patent Information
- Application Number
- CN202511016408.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-23
- Publication Date
- 2025-09-02
AI Technical Summary
The existing cylinder valve structures have problems such as inconvenient operation and poor sealing effect in terms of connection and sealing, especially the lack of efficient self-locking structure during quick connection and locking.
A self-locking converter is designed to quickly clamp the cylinder connection port through a clamping mechanism and a pressing hoop mechanism, and ensure sealing through a top edge mechanism, including clamping plates, thread strips, balls, clamping strips and rubber seals.
It realizes fast, stable and efficient sealing of gas cylinder connections, improves the simplicity of locking operation and sealing effect, and avoids the problems of long-term manual support and lax sealing.
Smart Images

Figure CN120576327A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of bottle conversion joints, and more particularly to a self-locking conversion joint for a gas cylinder connection port. Background Art
[0002] There are various common gas cylinder valve structures on the market. When the gas cylinder needs to be inflated or deflated, the valve body is opened for operation. When the gas is full or released completely, the handwheel is tightened to make the internal valve core fit with the sealing structure to achieve sealing, preventing external gas from entering and internal gas from escaping. Products used for quick connectors of pipe nozzles all adopt the principle of threaded connection of pipe nozzles.
[0003] For example, utility model patent CN206290732U discloses a self-locking gas cylinder valve, in which a spring is fixedly connected to the upper surface of the connecting ring, the top end of the spring is fixedly connected to the inner top wall of the screw cap, and the linkage rod is threadedly connected to the blocking block to achieve a self-locking function. However, in actual use, only a threaded knob is used, which requires a long time of manual support and alignment, and lacks a self-locking joint structure that can quickly connect to the gas cylinder connection port to improve the efficiency and simplicity of the locking operation.
[0004] At the same time, after locking, the sealing effect of the gas cylinder connection port cannot be guaranteed. There is a lack of a structure that can support and reinforce the seal. Over time, it will have a negative impact on the use effect of the conversion joint at the gas cylinder connection port. For this purpose, a solution is now provided. Summary of the Invention
[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a self-locking conversion joint for a gas cylinder connection port to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above object, the present invention provides the following technical solution: a self-locking conversion joint for a gas cylinder connection port, comprising a gas cylinder body, a connection head provided on the top of the gas cylinder body, and a gas cylinder connection port fixedly mounted on one side of the connection head;
[0007] A clamping mechanism and a pressing mechanism are provided on one side of the gas cylinder connection port, wherein the clamping mechanism includes a conversion pipe provided on one side of the gas cylinder connection port, and the conversion pipe and the gas cylinder connection port are provided corresponding to each other;
[0008] A fixing ring is fixedly mounted on the outer wall of the conversion pipe, and the fixing ring is arranged in a horizontal state. A plurality of rotating shafts are rotatably mounted on the outer wall of one side of the fixing ring, and the plurality of rotating shafts are arranged in an equidistant manner in a ring shape;
[0009] A clamping plate is fixedly installed on one side of each of the rotating shafts. The clamping plates are arranged in a circular shape with equal distances. The inner walls of the clamping plates correspond to the outer walls of the gas cylinder connecting port.
[0010] In a preferred embodiment, a plurality of the clip plates are respectively fixedly installed with threaded strips on one side, the plurality of the threaded strips are arranged corresponding to each other, the plurality of the threaded strips and the outer wall threads of the gas cylinder connecting port are arranged corresponding to each other, and the plurality of the threaded strips and the outer wall threads of the gas cylinder connecting port are arranged to fit each other.
[0011] In a preferred embodiment, a rotating support ring is rotatably mounted on the outer wall of the fixed support ring, the rotating support ring is arranged in a vertical state, and a sleeve is slidably mounted on the outer wall of the rotating support ring, and the sleeve is sleeved on the outer walls of multiple clamping plates.
[0012] In a preferred embodiment, the pressure hoop mechanism includes a ball hinged on the outer wall of a plurality of clamping plates, and the plurality of balls are arranged horizontally and equidistantly, and the outer walls of the plurality of balls are in contact with the inner wall of the sleeve. A retaining strip is provided on one side of the plurality of balls, and the retaining strip is fixedly installed on the inner wall of the sleeve, and the retaining strip is arranged in a triangular shape.
[0013] In a preferred embodiment, a support spring is fixedly mounted on the inner wall of the sleeve, and the support spring is fixedly mounted on the inner wall of the support ring. The support spring and the sleeve are arranged perpendicular to each other.
[0014] In a preferred embodiment, a top edge mechanism is provided on one side of the fixing ring, and the top edge mechanism includes a sealing gasket fixedly mounted on one side of the fixing ring, the sealing gasket is arranged in a ring shape, the outer wall of the sealing gasket is in contact with the outer wall of the gas cylinder connecting port, a rubber sealing ring is fixedly mounted on the inner wall of the sealing gasket, the outer wall of the rubber sealing ring is in contact with the outer wall of the gas cylinder connecting port, a sleeve is fixedly mounted on one side of the rubber sealing ring, and the sleeve is in contact with the inner wall of the conversion pipe.
[0015] In a preferred embodiment, a plurality of pushing blocks are slidably mounted on an outer wall of one side of the rubber seal ring, and the plurality of pushing blocks penetrate the outer wall of the rubber seal ring.
[0016] In a preferred embodiment, a push belt plate is provided on one side of the plurality of pushing blocks, and the plurality of push belt plates are rotatably installed on the outer wall of the rubber sealing ring. A pressure plate is fixedly installed on the other side of the plurality of push belt plates, and a sealing ring is provided on the outer wall of the plurality of pressure plates. The sealing ring is arranged in a ring shape, and the outer wall of the sealing ring is in contact with the inner wall of the gas cylinder connecting port.
[0017] Technical effects and advantages of the present invention:
[0018] In order to solve the problems raised in the above-mentioned background technology, the present invention sets the structure of the gas cylinder connection into a sleeve composed of multiple rotating clamping plates, so that the gas cylinder connection port can be quickly buckled through the multiple clamping plates to achieve the purpose of installation, and the clamping plates are squeezed and fixed by the sleeve. At the same time, a top support plate is set at the position where the gas cylinder is connected to seal the gas cylinder connection port stably to ensure the sealing of the connection position. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0020] Figure 2 It is a front view of the present invention.
[0021] Figure 3 It is a partial vertical sectional view of the present invention.
[0022] Figure 4 It is a partial vertical cross-sectional view of the clamping mechanism in the present invention.
[0023] Figure 5 It is a vertical sectional view of the pressure hoop mechanism in the present invention.
[0024] Figure 6 It is a structural schematic diagram of the top edge mechanism in the present invention.
[0025] Figure 7 It is a vertical sectional view of the top edge mechanism in the present invention.
[0026] The accompanying drawings are marked as follows: 1. Gas cylinder body; 2. Connector; 3. Gas cylinder connection port; 4. Clamping mechanism; 41. Conversion pipe; 42. Support ring; 43. Rotating shaft; 44. Clamping plate; 45. Threaded strip; 46. Rotating support ring; 47. Pressing cylinder; 5. Pressing hoop mechanism; 51. Ball; 52. Positioning strip; 53. Support spring; 6. Top edge mechanism; 61. Sealing gasket; 62. Rubber sealing ring; 63. Ring; 64. Push block; 65. Push belt plate; 66. Pressing plate; 67. Covering ring. DETAILED DESCRIPTION
[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] Example 1: Refer to the attached Figure 1-Figure 7 The present invention proposes a self-locking conversion joint for a gas cylinder connection port, such as Figure 1 and Figure 2As shown, it includes a gas cylinder body 1, a connector 2 is provided on the top of the gas cylinder body 1, a gas cylinder connection port 3 is fixedly installed on one side of the connector 2, and a clamping mechanism 4 and a pressing hoop mechanism 5 are provided on one side of the gas cylinder connection port 3;
[0029] like Figure 3 and Figure 4 As shown, the clamping mechanism 4 includes a conversion pipe 41 provided on one side of the gas cylinder connection port 3. The conversion pipe 41 and the gas cylinder connection port 3 are arranged corresponding to each other. A fixing ring 42 is fixedly installed on the outer wall of the conversion pipe 41. The fixing ring 42 is arranged in a horizontal state. A plurality of rotating shafts 43 are rotatably mounted on the outer wall of one side of the fixing ring 42.
[0030] Multiple rotating shafts 43 are arranged in a circular and equidistant manner, and clamping plates 44 are fixedly installed on one side of the multiple rotating shafts 43. The multiple clamping plates 44 are arranged in a circular and equidistant manner, and the inner walls of the multiple clamping plates 44 are arranged corresponding to the outer wall of the gas cylinder connecting port 3. When the conversion pipe 41 is aligned with the gas cylinder connecting port 3, the multiple clamping plates 44 on the multiple rotating shafts 43 driven by the supporting ring 42 are clamped together on the outer wall of the gas cylinder connecting port 3.
[0031] like Figure 3 and Figure 4 As shown, a threaded strip 45 is fixedly installed on one side of the multiple clamping plates 44, and the multiple threaded strips 45 are arranged corresponding to each other. The multiple threaded strips 45 and the outer wall threads of the gas cylinder connecting port 3 are arranged corresponding to each other. The multiple threaded strips 45 and the outer wall threads of the gas cylinder connecting port 3 are fitted together. The threaded strips 45 on the multiple clamping plates 44 are fitted with the outer wall threads of the gas cylinder connecting port 3, that is, the multiple clamping plates 44 are tightly fitted to the outer wall of the gas cylinder connecting port 3.
[0032] like Figure 4 and Figure 5 As shown, a rotating support ring 46 is rotatably installed on the outer wall of the fixed support ring 42, and the rotating support ring 46 is set in a vertical state. A sleeve cylinder 47 is slidably installed on the outer wall of the rotating support ring 46. The sleeve cylinder 47 is sleeved on the outer walls of multiple clamping plates 44, and the sleeve cylinder 47 is pulled forward to move close to the outer walls of multiple clamping plates 44.
[0033] like Figure 4 and Figure 5As shown, the pressure hoop mechanism 5 includes a ball hinge on the outer wall of a plurality of clamping plates 44, and the plurality of balls 51 are arranged horizontally and equidistantly. The outer wall of the plurality of balls 51 fits with the inner wall of the sleeve pressing cylinder 47, and a clamping strip 52 is provided on one side of the plurality of balls 51. The clamping strip 52 is fixedly installed on the inner wall of the sleeve pressing cylinder 47, and the clamping strip 52 is arranged in a triangular shape, so that the balls 51 on the plurality of clamping plates 44 are squeezed by the sleeve pressing cylinder 47, that is, the plurality of clamping plates 44 are forced to clamp the outer wall of the gas cylinder connection port 3, and the sleeve pressing cylinder 47 drives the clamping strip 52 to pass over the ball 51 and then rotates, so that the clamping strip 52 can be clamped in a stable position on the outer wall of the ball 51.
[0034] like Figure 4 and Figure 5 As shown, a support spring 53 is fixedly installed on the inner wall of the sleeve 47, and the support spring 53 is fixedly installed on the inner wall of the support ring 46. The support spring 53 and the sleeve 47 are arranged perpendicular to each other, and the sleeve 47 can compress the support spring 53 when it moves.
[0035] During implementation, the conversion tube 41 is aligned with the gas cylinder connection port 3, and the multiple clamping plates 44 on the multiple rotating shafts 43 driven by the fixing ring 42 are clamped together on the outer wall of the gas cylinder connection port 3, and the threaded strips 45 on the multiple clamping plates 44 are threadedly engaged with the outer wall of the gas cylinder connection port 3, that is, the multiple clamping plates 44 are tightly attached to the outer wall of the gas cylinder connection port 3;
[0036] At this time, the pressing cylinder 47 is pulled forward to move close to the outer walls of the multiple clamping plates 44, and the support spring 53 is compressed, so that the balls 51 on the multiple clamping plates 44 are squeezed by the pressing cylinder 47, that is, the multiple clamping plates 44 are clamped to the outer wall of the gas cylinder connection port 3, and the pressing cylinder 47 drives the locking strip 52 to pass over the ball 51 and then rotates. At this time, the pressing cylinder 47 is elastically squeezed by the support spring 53 and moves backward, so that the locking strip 52 can be stuck in a stable position on the outer wall of the ball 51.
[0037] Example 2: Figure 6 and Figure 7 As shown, a top edge mechanism 6 is provided on one side of the fixing ring 42, and the top edge mechanism 6 includes a sealing gasket 61 fixedly mounted on one side of the fixing ring 42. The sealing gasket 61 is arranged in an annular shape, and the outer wall of the sealing gasket 61 is in contact with the outer wall of the gas cylinder connection port 3. A rubber sealing ring 62 is fixedly mounted on the inner wall of the sealing gasket 61, and the outer wall of the rubber sealing ring 62 is in contact with the outer wall of the gas cylinder connection port 3.
[0038] A collar 63 is fixedly installed on one side of the rubber sealing ring 62, and the collar 63 fits against the inner wall of the conversion pipe 41. The fixing ring 42 drives the sealing gasket 61 and the rubber sealing ring 62 to fit against the outer wall of the gas cylinder connecting port 3, thereby sealing the connection between the conversion pipe 41 and the gas cylinder connecting port 3.
[0039] like Figure 6 and Figure 7 As shown, a plurality of push blocks 64 are slidably mounted on the outer wall of one side of the rubber seal 62 . The plurality of push blocks 64 penetrate the outer wall of the rubber seal 62 , and the outer wall of the gas cylinder connection port 3 squeezes the plurality of push blocks 64 .
[0040] like Figure 6 and Figure 7 As shown, one side of the multiple pushing blocks 64 is provided with a pushing plate 65, and the multiple pushing plates 65 are rotatably installed on the outer wall of the rubber sealing ring 62. The other side of the multiple pushing plates 65 is fixedly installed with a pressing plate 66, and the outer walls of the multiple pressing plates 66 are respectively provided with a sealing ring 67. The sealing ring 67 is arranged in a ring shape, and the outer wall of the sealing ring 67 fits with the inner wall of the gas cylinder connecting port 3. The pushing plates 65 are pushed by the multiple pushing blocks 64, and the pushing plates 65 are rotated under force to drive the pressing plates 66 to deflect synchronously, and then the multiple pressing plates 66 pull the sealing ring 67 outward to fit the inner wall of the gas cylinder connecting port 3 to ensure its sealing effect.
[0041] During specific implementation, the supporting ring 42 drives the sealing gasket 61 and the rubber sealing ring 62 to fit the outer wall of the gas cylinder connecting port 3, thereby sealing the connection between the conversion pipe 41 and the gas cylinder connecting port 3. The outer wall of the gas cylinder connecting port 3 squeezes multiple pushing blocks 64, and the multiple pushing blocks 64 push the push plate 65. The push plate 65 is rotated under the force and drives the pressure plate 66 to deflect synchronously, and then the multiple pressure plates 66 pull the sealing ring 67 outward to fit the inner wall of the gas cylinder connecting port 3 to ensure its sealing effect.
[0042] In summary, based on the coordination of the clamping mechanism and the pressing hoop mechanism, the structure of the gas cylinder connection is set as a sleeve composed of multiple rotating clamping plates, so that the gas cylinder connection port can be quickly buckled through the multiple clamping plates to achieve the purpose of installation, and the clamping plates are fixed by squeezing through the sleeve. At the same time, a top edge mechanism is also provided to assist, and a top support plate is provided at the position where the gas cylinder is connected to seal the gas cylinder connection port stably to ensure the sealing of the connection position.
[0043] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.
[0044] Secondly: The drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention. Other structures may refer to conventional designs. The same embodiment and different embodiments of the present invention may be combined with each other without conflict.
[0045] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A self-locking conversion joint for a gas cylinder connection port, comprising a gas cylinder body (1), a connection head (2) provided on the top of the gas cylinder body (1), and a gas cylinder connection port (3) fixedly mounted on one side of the connection head (2), characterized in that: A clamping mechanism (4) and a pressing mechanism (5) are provided on one side of the gas cylinder connection port (3); the clamping mechanism (4) comprises a conversion pipe (41) provided on one side of the gas cylinder connection port (3); the conversion pipe (41) and the gas cylinder connection port (3) are provided in correspondence with each other; A fixing ring (42) is fixedly mounted on the outer wall of the conversion pipe (41), and the fixing ring (42) is arranged in a horizontal state. A plurality of rotating shafts (43) are rotatably mounted on the outer wall of one side of the fixing ring (42), and the plurality of rotating shafts (43) are arranged in an annular shape and at equal distances. A clamping plate (44) is fixedly mounted on one side of each of the rotating shafts (43). The clamping plates (44) are arranged in an equidistant manner in a ring shape, and the inner walls of the clamping plates (44) correspond to the outer wall of the gas cylinder connection port (3).
2. A self-locking conversion joint for a gas cylinder connection port according to claim 1, characterized in that: A plurality of threaded strips (45) are fixedly mounted on one side of the plurality of clamping plates (44), the plurality of threaded strips (45) are arranged corresponding to each other, the plurality of threaded strips (45) and the outer wall thread of the gas cylinder connecting port (3) are arranged corresponding to each other, and the plurality of threaded strips (45) and the outer wall thread of the gas cylinder connecting port (3) are arranged to fit each other.
3. A self-locking conversion joint for a gas cylinder connection port according to claim 2, characterized in that: A rotating support ring (46) is rotatably mounted on the outer wall of the fixed support ring (42), and the rotating support ring (46) is arranged in a vertical state. A sleeve pressure cylinder (47) is slidably mounted on the outer wall of the rotating support ring (46), and the sleeve pressure cylinder (47) is sleeved on the outer walls of multiple clamping plates (44).
4. A self-locking conversion joint for a gas cylinder connection port according to claim 3, characterized in that: The clamping mechanism (5) includes a ball (51) hinged on the outer wall of a plurality of clamping plates (44), the plurality of ball (51) being arranged horizontally and equidistantly, the outer walls of the plurality of ball (51) being in contact with the inner wall of the sleeve (47), and a retaining strip (52) being provided on one side of the plurality of ball (51), the retaining strip (52) being fixedly mounted on the inner wall of the sleeve (47), and the retaining strip (52) being arranged in a triangular shape.
5. The self-locking conversion joint for a gas cylinder connection port according to claim 4, characterized in that: A support spring (53) is fixedly mounted on the inner wall of the sleeve (47), and the support spring (53) is fixedly mounted on the inner wall of the support ring (46). The support spring (53) and the sleeve (47) are arranged perpendicular to each other.
6. The self-locking conversion joint for a gas cylinder connection port according to claim 1, characterized in that: A top edge mechanism (6) is provided on one side of the fixing ring (42), and the top edge mechanism (6) includes a sealing gasket (61) fixedly mounted on one side of the fixing ring (42). The sealing gasket (61) is arranged in an annular shape, and the outer wall of the sealing gasket (61) is in contact with the outer wall of the gas cylinder connecting port (3). A rubber sealing ring (62) is fixedly mounted on the inner wall of the sealing gasket (61), and the outer wall of the rubber sealing ring (62) is in contact with the outer wall of the gas cylinder connecting port (3). A sleeve ring (63) is fixedly mounted on one side of the rubber sealing ring (62), and the sleeve ring (63) is in contact with the inner wall of the conversion pipe (41).
7. A self-locking conversion joint for a gas cylinder connection port according to claim 6, characterized in that: A plurality of pushing blocks (64) are slidably mounted on an outer wall of one side of the rubber seal ring (62), and the plurality of pushing blocks (64) penetrate the outer wall of the rubber seal ring (62).
8. The self-locking conversion joint for a gas cylinder connection port according to claim 7, characterized in that: A plurality of push blocks (64) are provided with a push plate (65) on one side, and the plurality of push plates (65) are rotatably mounted on the outer wall of the rubber seal ring (62). A plurality of pressure plates (66) are fixedly mounted on the other side of the plurality of push plates (65), and a sealing ring (67) is provided on the outer wall of the plurality of pressure plates (66). The sealing ring (67) is arranged in an annular shape, and the outer wall of the sealing ring (67) is in contact with the inner wall of the gas cylinder connection port (3).
Citation Information
Patent Citations
Auto -lock gas bottle valve
CN206290732U