CN220452763U - Gas supply connecting device - Google Patents

Abstract

The utility model provides a gas supply connecting device which comprises a first joint assembly and a second joint assembly, wherein the first joint assembly comprises a first shell, a first core body and a plugging screw; the first shell is provided with a first connecting part, an air inlet channel and a first core hole; the second joint assembly comprises a second shell, a second core, an adapter, a plugging disc, a switch disc and a connecting sleeve; the second shell comprises a second connecting part, a second core hole and an air outlet channel, the first core body is provided with a first air passage and a first core opening, and the second core body is provided with a second air passage and a second core opening; when the first joint component is connected with the second joint component, the first core body, the second core body and the adapter are rotated by rotating the switch disc, so that the air inlet channel is sequentially communicated with the first core opening, the first air channel, the second core opening and the air outlet channel; the utility model has the advantages of simple internal structure of each component and small number of parts, so that the device can rapidly communicate the gas channels.

Description

Gas supply connecting device

Technical Field

The utility model relates to the technical field of gas connectors, in particular to a gas supply connecting device.

Background

The air pipe joint has the advantages of advanced structure, good performance, convenient use, no need of welding, no need of pipe flaring and the like, so the clamping sleeve type pipe joint has been widely applied to hydraulic and pneumatic systems of various machines. But the one end of many air pipe joint swing joint in the existing market does not have backflow preventer mostly, can receive the atmospheric pressure influence greatly when pegging graft simultaneously, is inconvenient for quick-operation joint, takes place the gas leakage danger easily at the in-process of connecting simultaneously.

Some gas connection joints are provided with a protection structure, but the whole device has more structural parts and complex structure, which is not beneficial to reducing the joint cost. As disclosed in chinese patent CN 209294623U, a pneumatically releasable gas connector comprises a housing, a check valve and a connector, a movable barrel is arranged between the housing and the check valve, a plurality of limit steel balls are arranged on a left end barrel of the movable barrel, a limit mechanism is arranged at the left end of the housing, an automatic release mechanism is arranged between the movable barrel and the housing, and an automatic release mechanism is arranged between the movable barrel and the check valve; the limiting mechanism comprises a limiting shell, a locking spring, a locking sleeve and a pull cylinder. The gas connector is convenient to break the connector from the connected male connector by introducing compressed air from the air inlet hole of the shell after the use is finished by arranging the automatic loosening mechanism and the automatic falling mechanism; the pull ring is arranged, so that the joint is conveniently disconnected with the connected male joint manually; the ventilation seat is arranged to limit the moving distance of the valve core, so that the ejector rod part of the valve core pushes the male connector open, and a smooth air flow channel is ensured to be formed; through setting up first, two guiding holes, avoid the case to move the in-process and take place the skew, influence the normal work of case. But the gas joint has a complex structure, and the number of parts is not beneficial to reducing the production cost.

Disclosure of Invention

In order to solve the problems that the gas connector with a protection structure in the prior art is complex in structure and is not beneficial to reducing the production cost of the gas connector.

The technical scheme of the utility model is as follows:

the gas supply connecting device comprises a first connector assembly and a second connector assembly, wherein the first connector assembly comprises a first shell, a first core body and a plugging screw; the first shell is provided with a first connecting part connected to the lower end of the first shell body, an air inlet channel is arranged in the first connecting part, and a first core hole is arranged in the first shell; the first core body is of a cylindrical structure and sleeved in the first core hole, and the plugging screw is connected to one end of the first shell body so as to limit the first core body to move along the axial direction of the first shell body;

the second joint assembly comprises a second shell, a second core body, an adapter, a plugging disc, a switch disc and a connecting sleeve; the second shell comprises a second connecting part and a second core hole, an air outlet channel is arranged in the second connecting part, the second core body is connected in the second core hole, the second core body is sequentially connected with the adapter switch disc, and the connecting sleeve is sleeved on the outer side of the second shell;

the first core body is provided with a first air passage and a first core opening, and the second core body is provided with a second air passage and a second core opening; the first joint component is detachably connected with the second joint component, and the connecting sleeve can be clamped with the first shell to lock the first joint component and the second joint component when the first joint component is connected with the second joint component; the first connector assembly and the second connector assembly are connected, and when the switch disc is rotated, the first core body, the second core body and the adapter are rotated, so that the air inlet channel is sequentially communicated with the first core opening, the first air channel, the second core opening and the air outlet channel.

Furthermore, in order to further optimize the connection structure of the gas supply connection device, one end of the first shell is provided with a sleeved end of an annular structure, the sleeved end is provided with a clamping protrusion, the connecting sleeve is provided with a limiting groove, and the limiting groove can prevent the first joint component from being separated from the second joint component when being clamped with the clamping protrusion.

Furthermore, in order to ensure that the first core body and the second core body can reliably and synchronously rotate, one end of the first core body is provided with a first core end, the first core end is provided with a clamping groove, one end of the second core body is provided with a second core end, the second core end is provided with a clamping protrusion, and the clamping protrusion and the clamping groove are mutually clamped when the first joint assembly and the second joint assembly are connected.

Furthermore, in order to ensure that the transfer chuck can reliably drive the second core body, the end, away from the second core end, of the second core body is provided with the core body clamping groove, the end, close to the second core body, of the transfer joint is provided with the transfer chuck, and the transfer chuck is clamped with the core body clamping groove so that the transfer joint can drive the second core body to rotate.

Furthermore, the gas supply connecting device is characterized in that a square chuck is arranged at one end of the transfer chuck far away from the transfer chuck, and the switch disc is clamped with the square chuck.

Furthermore, in order to ensure that each component can be reliably linked when the device is disassembled and connected, the switch disc is provided with the limiting protrusion, the limiting protrusion is of a semicircular arc structure, one end of the connecting sleeve, which is far away from the limiting groove, is provided with the limiting end, the limiting end is of a semicircular arc structure, and the limiting protrusion is limited to rotate by the limiting end when the first joint component and the second joint component are separated.

Furthermore, the gas supply connecting device guarantees better air tightness when the first shell is connected with the second shell, a sleeved end is arranged at one end, close to the second joint component, of the first shell, a first connecting head is arranged at one end, close to the first joint component, of the second shell, and the first connecting head is clamped at the inner side of the sleeved end when the first joint component is connected with the second joint component.

The utility model has the beneficial effects that:

1. the gas supply connecting device comprises the first joint component and the second joint component, and the internal structure of each component is simple, and the number of parts is small, so that the device can be used for rapidly communicating a gas channel;

2. the first core body and the second core body are connected in a linkage mode, and meanwhile, the interlocking structure of the limiting protrusion and the limiting end is matched, so that gas leakage caused by improper operation in the gas connection process can be prevented.

Drawings

FIG. 1 is a schematic diagram of an explosion structure of a gas supply connection device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a first connector assembly of a gas supply connection device according to the present utility model;

FIG. 3 is a schematic view of the external structure of a first joint assembly of a gas supply connection device according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a second connector assembly of a gas supply connection device according to the present utility model;

FIG. 5 is a schematic view of the external structure of a second connector assembly of a gas supply connection device according to the present utility model;

FIG. 6 is a schematic view of a first core structure of a gas supply connection device according to the present utility model;

FIG. 7 is a schematic cross-sectional view of a first core of a gas supply connection device according to the present utility model;

FIG. 8 is a schematic view of a second core structure of a gas supply connection device according to the present utility model;

FIG. 9 is a schematic cross-sectional view of a second core of a gas supply connection device according to the present utility model;

FIG. 10 is a schematic diagram of a switch panel of a gas supply connection device according to the present utility model;

FIG. 11 is a schematic view of an adaptor structure of a gas supply connection device according to the present utility model;

FIG. 12 is a schematic view of a connecting sleeve structure of a gas supply connecting device according to the present utility model;

FIG. 13 is a schematic view of a first connector set and a second connector set of a gas supply connection device according to the present utility model;

FIG. 14 is a schematic view showing a locked structure of a first connector set and a second connector set of a gas supply connection device according to the present utility model;

FIG. 15 is a cross-sectional view showing a first connector set and a second connector set of a gas supply connection device according to the present utility model after the first connector set and the second connector set are connected;

FIG. 16 is a cross-sectional view showing a first connector set and a second connector set of a gas supply connection device according to the present utility model after the first connector set and the second connector set are connected;

FIG. 17 is a schematic view of a connection structure of a first connector set and a second connector set of a gas supply connection device according to the present utility model;

FIG. 18 is a cross-sectional view showing the connection between the first connector set and the second connector set of a gas supply connection device according to the present utility model;

FIG. 19 is a cross-sectional view of a gas supply connection device of the present utility model showing the connection of a first connector set to a second connector set;

name and number in the figure: 1. a first housing; 11. a first connection portion; 12. a sleeving end; 13. a clamping protrusion; 14. a first core hole; 15. an air inlet channel; 2. a first core; 21. a first core end; 22. a clamping groove; 23. a first core opening; 24. a first airway; 3. plugging a screw; 4. a second housing; 41. a first connector; 42. a second core hole; 43. a second connecting portion; 44. an air outlet channel; 5. a second core; 51. a second core end; 52. the clamping bulge; 53. a second core opening; 54. a core clamping groove; 55. a second airway; 6. an adapter; 61. a transfer chuck; 62. a square chuck; 7. a plugging disc; 8. a switch board; 81. a limit protrusion; 9. connecting sleeves; 91. a limiting end; 92. a limit groove; 10. and (3) a nut.

Detailed Description

In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the present utility model is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present utility model provides a gas supply connection device, which includes a first joint component and a second joint component, wherein the first joint component and the second joint component can be separated into two independent components or can be connected with each other into a whole; the first joint assembly comprises a first shell 1, a first core body 2 and a plugging screw 3, wherein the first shell 1 is provided with a first connecting part 11 connected to the lower end of the first shell 1 body and used for being connected with an air pipe so as to fixedly connect the first joint assembly with the air pipe, an air inlet channel 15 is arranged in the first connecting part 11, and a first core hole 14 is arranged in the first shell 1; the first core body 2 is in a cylindrical structure and sleeved in the first core hole 14, and the plugging screw 3 is connected to one end of the first shell body 1 to limit the first core body 2 to move along the axial direction thereof, namely, the first core body 2 is limited in the first core hole 14 by the plugging screw 3.

The second joint assembly comprises a second shell 4, a second core 5, an adapter 6, a plugging disc 7, a switch disc 8 and a connecting sleeve 9; wherein the second housing 4 includes a second connection portion 43 and a second core hole 42, and an air outlet channel 44 is disposed in the second connection portion 43, for connecting the second connection assembly with an air pipe or an air using device so as to convey the compressed air to the air using device; the second core body 5 is connected in the second core hole 42, the second core body 5 is sequentially connected with the switch disc 8 of the adapter 6, and the connecting sleeve 9 is sleeved on the outer side of the second shell 4; namely, the second core body 5 is sleeved on the inner side of the second core hole 42, one end of the second core body 5 is clamped with the adapter 6, the plugging disc 7 clamps the second core body 5 and the adapter 6 on the inner side of the second core hole 42, one end of the adapter 6 far away from the second core body 5 is connected with the switch disc 8, the adapter 6 and the second core body 5 can be driven to rotate by rotating the switch disc 8, and in addition, a nut 10 is further arranged at the tail end of the adapter 6 far away from the second core body 5 and used for locking the switch disc 8 and the adapter 6.

As shown in fig. 2 to 9, the first core 2 is provided with a first air passage 24 and a first core opening 23, and the second core 5 is provided with a second air passage 55 and a second core opening 53; the first joint subassembly and the second joint subassembly can dismantle the connection, but adapter sleeve 9 and first casing 1 joint locking first joint subassembly and second joint subassembly when first joint subassembly and second joint subassembly are connected, thereby adapter sleeve 9 can design joint structure with the one end and first casing 1 joint of adapter sleeve 9 to make first joint subassembly and second joint subassembly be connected back joint structure prevent that first joint subassembly from coming off relative second joint subassembly. When the first joint component is connected with the second joint component, the switch disc 8 is rotated to enable the first core body 2, the second core body 5 and the adapter 6 to rotate, so that the air inlet channel 15 is sequentially communicated with the first core opening 23, the first air channel 24, the second air channel 55, the second core opening 53 and the air outlet channel 44. Namely, after the first joint component is connected with the second joint component, the switch disc 8 can be rotated to drive the first core body 2 and the second core body 5 to rotate, so that the first core opening 23 is aligned with the air inlet channel 15 to enable the air inlet channel 15 to be communicated with the first air channel 24, and the second core opening 53 is aligned with the air outlet channel 44 to enable the second air channel 55 to be communicated with the air outlet channel 44, so that the first joint component and the second joint component are mutually communicated, and the gas channel is communicated.

The gas supply connecting device has a simple integral structure, and the components are tightly matched, so that the whole device has stable and reliable performance, and meanwhile, the production cost of the device can be better saved due to the small number of parts. Meanwhile, the device is reliable and damaged simply and conveniently in the connection process, namely, the linkage opening and closing structure with gas is arranged simultaneously, namely, after the first joint component is connected with the second joint component, the second core body 5 and the first core body 2 can be driven to rotate to the position where the air passage of the whole device is communicated through the rotary switch disc 8, and the situation that the compressed gas leaks possibly because the joint is detached and installed in the process of switching off and closing the gas joint is prevented. Therefore, the connecting device for the compressed gas has the advantages of safe and reliable performance, simple operation, low cost and capability of being put into use in a large amount.

As shown in fig. 1 to 5, in a further embodiment of the gas supply connection device of the present utility model, better air tightness is ensured when the first housing 1 is connected with the second housing 4, a socket end 12 is disposed at one end of the first housing 1 adjacent to the second connector assembly, a first connector 41 is disposed at one end of the second housing 4 adjacent to the first connector assembly, and the first connector 41 is clamped inside the socket end 12 when the first connector assembly is connected with the second connector assembly. Namely, when the first connector assembly is connected with the second connector assembly, the first connector 41 can be tightly clamped in the sleeved end 12, so that the air tightness of the device can be further improved, and a sealing rubber ring can be additionally arranged between the first connector assembly and the sleeved end 12, so that the air tightness between the first connector 41 and the sleeved end 12 can be further improved, and the device is prevented from being air leakage when being used as a compressed air connecting device, and the use is affected.

As shown in fig. 1 to 5 and fig. 12, further, in order to further optimize the connection structure of the gas supply connection device according to the present utility model, one end of the first housing 1 is provided with a sleeve connection end 12 with an annular structure, the sleeve connection end 12 is provided with a clamping protrusion 13, the connecting sleeve 9 is provided with a limiting groove 92, and when the limiting groove 92 and the clamping protrusion 13 are clamped with each other, the first joint component and the second joint component can be prevented from being separated. The limiting groove 92 is in an L-shaped structure as shown in fig. 12, and meanwhile, the limiting groove 92 can be symmetrically arranged on the connecting sleeve 9 in pairs, and likewise, the clamping protrusions 13 are correspondingly arranged on the connecting sleeve end 12 in pairs with the limiting groove 92, so that the connection reliability between the first joint component and the second joint component can be further ensured.

As shown in fig. 1 to 9, further, in order to ensure that the first core 2 and the second core 5 can rotate reliably and synchronously, that is, when the first joint assembly is connected with the second joint assembly, the second core 5 can reliably drive the first core 2 to rotate, one end of the first core 2 is provided with a first core end 21, the first core end 21 is provided with a clamping groove 22, and the end of the clamping groove 22 at the first core end 21 is in a concave structure. The second core 5 is provided with a second core end 51 at one end, the second core end 51 is provided with a clamping protrusion 52, and the clamping protrusion 52 and the clamping groove 22 are mutually clamped when the first joint component is connected with the second joint component. That is, the structure of the clamping protrusion 52 can be just matched with the clamping groove 22, so that the first core body 2 and the second core body 5 can be reliably connected with each other, and the rotary switch disc 8 can be ensured to reliably realize the opening and closing of gas.

Further, in order to ensure that the transfer chuck 61 can reliably drive the second core 5, a core clamping groove 54 is provided at one end of the second core 5 away from the second core end 51, as shown in fig. 1, 2 and 11, a transfer chuck 61 is provided at one end of the adapter 6 abutting against the second core 5, and the transfer chuck 61 and the core clamping groove 54 are clamped so that the adapter 6 can drive the second core 5 to rotate. Further, in order to ensure that the adapter chuck 61 and the switch disc 8 can be reliably connected, as shown in fig. 1, 2, 10 and 11, a square chuck 62 is disposed at one end of the adapter chuck 61 away from the adapter chuck 61, and the switch disc 8 is clamped with the square chuck 62. The second core body 5, the adapter 6 and the switch disc 8 can be reliably connected, and meanwhile, when the switch disc 8 is rotated, the second core body 5 can be reliably driven to rotate through the adapter 6, so that the conduction between the second core opening 53 and the air outlet channel 44 is realized.

Further, in order to ensure reliable linkage of each component when the gas supply connection device is disassembled and connected, as shown in fig. 10, the switch disc 8 is provided with a limiting protrusion 81, the limiting protrusion 81 has a semicircular arc structure, as shown in fig. 12, one end of the connecting sleeve 9, which is far away from the limiting groove 92, is provided with a limiting end 91, the limiting end 91 has a semicircular arc structure, and the limiting protrusion 81 is limited to rotate by the limiting end 91 when the first joint component is separated from the second joint component. That is, as shown in fig. 16 and 19, a plan view of the device on a plane where the limit protrusion 81 and the limit end 91 overlap each other, specifically, as shown in fig. 13, a structural state diagram of the device when the second joint component and the first joint component are sleeved, where the first joint component has no corresponding interlocking relationship with respect to the second joint component, that is, the first joint component and the second joint component are in a state that they can be separated from each other; turning the connection sleeve 9 as shown in fig. 14 and 15, so that the connection sleeve 9 and the first housing 1 are locked to each other, only the first joint assembly is prevented from being separated from the second joint assembly, but the first core opening 23 is not communicated with the inlet channel, and the second core opening 53 is not communicated with the outlet channel 44 as shown in fig. 15, and only the first joint assembly and the second joint assembly are fixed. When the device needs to be capable of conducting gas circulation, the switch disc 8 needs to be rotated to enable the switch disc 8 to be placed at the position shown in fig. 17 and 18, and as can be seen from the figure, the gas inlet channel 15 is sequentially communicated with the first core opening 23, the first air channel 24, the second air channel 55, the second core opening 53 and the gas outlet channel 44, so that the device can be used for conducting gas. As can be seen from fig. 17 and 19, at this time, the limit protrusion 81 blocks the clockwise rotation of the limit end 91, so that the connecting sleeve 9 cannot be rotated in this state, and the first connector assembly is separated from the second connector assembly, thereby ensuring the reliability of the device acting on the connecting piece in the gas conveying process. When the relative positions of the limiting end 91 and the limiting protrusion 81 are switched from fig. 19 to fig. 16, that is, after the air inlet channel 15 is closed and the first core opening 23, the first air channel 24, the second air channel 55, the second core opening 53 and the air outlet channel 44 are penetrated, the connecting sleeve 9 can be rotated clockwise to unlock the connection between the first joint component and the second joint component.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present utility model, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims (7)

1. A gas supply connection device, comprising:

the first joint assembly comprises a first shell (1), a first core body (2) and a plugging screw (3); the first shell (1) is provided with a first connecting part (11) connected to the lower end of the body of the first shell (1), an air inlet channel (15) is arranged in the first connecting part (11), and a first core hole (14) is arranged in the first shell (1); the first core body (2) is of a cylindrical structure and sleeved in the first core hole (14), and the plugging screw (3) is connected to one end of the first shell (1) so as to limit the first core body (2) to move along the axial direction of the first shell;

the second joint assembly comprises a second shell (4), a second core body (5), an adapter (6), a plugging disc (7), a switch disc (8) and a connecting sleeve (9); the second shell (4) comprises a second connecting part (43) and a second core hole (42), an air outlet channel (44) is arranged in the second connecting part (43), the second core body (5) is connected in the second core hole (42), the second core body (5) is sequentially connected with the switch disc (8) of the adapter (6), and the connecting sleeve (9) is sleeved on the outer side of the second shell (4);

the first core body (2) is provided with a first air passage (24) and a first core opening (23), and the second core body (5) is provided with a second air passage (55) and a second core opening (53);

the first joint component is detachably connected with the second joint component, and the connecting sleeve (9) can be clamped with the first shell (1) to lock the first joint component and the second joint component when the first joint component is connected with the second joint component; when the first joint component is connected with the second joint component, the switch disc (8) is rotated, so that the first core body (2), the second core body (5) and the adapter (6) rotate, and the air inlet channel (15) is sequentially communicated with the first core opening (23), the first air channel (24), the second air channel (55), the second core opening (53) and the air outlet channel (44).

2. A gas supply connection device according to claim 1, characterized in that one end of the first housing (1) is provided with a sleeve connection end (12) with an annular structure, the sleeve connection end (12) is provided with a clamping protrusion (13), the connecting sleeve (9) is provided with a limit groove (92), and the limit groove (92) can prevent the first joint component from being separated from the second joint component when being clamped with the clamping protrusion (13).

3. A gas supply connection device according to claim 2, characterized in that one end of the first core body (2) is provided with a first core end (21), the first core end (21) is provided with a clamping groove (22), one end of the second core body (5) is provided with a second core end (51), the second core end (51) is provided with a clamping protrusion (52), and the clamping protrusion (52) and the clamping groove (22) are mutually clamped when the first joint assembly is connected with the second joint assembly.

4. A gas supply connection device according to claim 3, wherein a core clamping groove (54) is formed in one end, away from the second core end (51), of the second core (5), a transfer chuck (61) is formed in one end, close to the second core (5), of the transfer joint (6), and the transfer chuck (61) and the core clamping groove (54) are clamped so that the transfer joint (6) can drive the second core (5) to rotate.

5. The gas supply connection device according to claim 4, wherein a square chuck (62) is arranged at one end of the transfer chuck (61) away from the transfer chuck (61), and the switch disc (8) is clamped with the square chuck (62).

6. The gas supply connection device according to claim 5, wherein the switch board (8) is provided with a limit protrusion (81), the limit protrusion (81) is in a semicircular arc structure, one end of the connecting sleeve (9) away from the limit groove (92) is provided with a limit end (91), the limit end (91) is in a semicircular arc structure, and the limit protrusion (81) is limited to rotate by the limit end (91) when the first joint assembly is separated from the second joint assembly.

7. A gas supply connection device according to any one of claims 1 to 6, characterized in that the first housing (1) is provided with a socket end (12) at an end adjacent to the second connector assembly, the second housing (4) is provided with a first connector (41) at an end adjacent to the first connector assembly, and the first connector (41) is clamped inside the socket end (12) when the first connector assembly is connected with the second connector assembly.