CN222687574U - A rotatable fire hose joint - Google Patents
A rotatable fire hose joint Download PDFInfo
- Publication number
- CN222687574U CN222687574U CN202421569719.2U CN202421569719U CN222687574U CN 222687574 U CN222687574 U CN 222687574U CN 202421569719 U CN202421569719 U CN 202421569719U CN 222687574 U CN222687574 U CN 222687574U
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- butt joint
- fire hose
- connecting portion
- end connecting
- butt
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Abstract
The utility model discloses a rotatable fire hose connector, which comprises a butt joint and a connecting pipe, wherein the butt joint is used for butt joint with each other, the connecting pipe is used for connecting a fire hose, a through hole for water passing is formed in the middle of the butt joint, the connecting pipe comprises a rear end connecting part and a front end connecting part, annular ball grooves are respectively formed in the outer wall of the front end connecting part and the inner wall of the butt joint, rotating balls are arranged in a space formed by buckling the two ball grooves, an assembly hole is formed in the butt joint in a penetrating way, the ball grooves are connected with the outside, and a plug is detachably arranged in the assembly hole.
Description
Technical Field
The utility model relates to the technical field of joints, in particular to a rotatable fire hose joint.
Background
In the use of fire hose, often need shift position, operation such as direction, and in laying and the in-process of operating the hosepipe, the hosepipe often twists, and the scene of using the fire hose often minute and struggle, and it is too extravagant time to go to the water hose of the special order again.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides the rotatable fire hose connector, which is characterized in that the rotary balls are arranged in the ball grooves, so that the butt joint and the connecting pipe can rotate through the rotary balls, and the rotary water hose is rotated at the joint to enable the twisted water hose to be recovered to be normal, thereby greatly improving the efficiency of straightening the water hose and improving the stability of fire water supply.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a rotatable fire hose connector, which comprises a butt joint for mutually butt joint and a connecting pipe for connecting a fire hose, wherein a through hole for water is formed in the middle of the butt joint;
The connecting pipe is including the front end connecting portion that is used for connecting the rear end connecting portion of fire hose and is used for connecting the butt joint, front end connecting portion and rear end connecting portion communicate with each other, the external diameter of front end connecting portion and the internal diameter phase-match of butt joint, annular ball groove has been seted up respectively to the outer wall of front end connecting portion and the inner wall of butt joint, two be provided with the rotation ball in the space that ball groove lock formed, wear to be equipped with the pilot hole on the butt joint, the ball groove is connected with the external world to the pilot hole, detachable is provided with the end cap in the pilot hole.
The rotatable fire hose connector is used in the scene of connecting two sections of fire hoses, assembling the butt joint with the connecting pipe when in use, connecting the connecting pipe with the fire hose, and connecting the two joints through the butt joint, wherein the butt joint and the connecting pipe realize relative rotation by means of rotating balls when in use, so that the twisted fire hose is straightened.
According to the rotatable fire hose connector, the rotary balls are arranged in the ball grooves, so that rotation can be realized between the butt joint and the connecting pipe through the rotary balls, and the rotary fire hose connector can rotate at the joint to enable the twisted water hose to be recovered to be normal, so that the efficiency of straightening the water hose is greatly improved, and the stability of fire water supply is improved.
In a further technical scheme, still be provided with first sealing washer between front end connecting portion and the butt joint inner wall, first sealing washer sets up between the front end opening of ball groove and front end connecting portion.
The first sealing ring seals the connection between the connecting pipe and the butt joint, and avoids the water flow from flowing out of the gap between the front end connecting part and the inner wall of the butt joint for pressure relief.
In a further technical scheme, a plurality of connecting rings with right-angled triangle cross sections are axially arranged on the inner wall of the rear end connecting part in a delay mode, and inclined planes on the connecting rings face to the rear end opening of the connecting pipe.
Through setting up the go-between, when connecting the fire hose, be connected between fire hose and the connecting pipe through the mode that the copper ring rises tightly, connect closely.
In a further technical scheme, the opening of the butt joint far away from the connecting pipe is provided with a second sealing ring.
When two butt joints are in butt joint, the openings of the two butt joints are aligned, and the second sealing ring can enable the openings of the two butt joints to be in tight butt joint, so that water leakage is avoided.
In a further technical scheme, the side face of the second sealing ring extends out of the opening of the butt joint.
The second sealing ring extends out of the opening of the butt joint, so that when the two butt joints are in butt joint, the second sealing ring contacts before the opening, and then the butt joints are in butt joint under the action of pressure, and the tightness of the butt joints at the butt joint positions is further improved.
In a further technical scheme, the opening part of the butt joint is provided with a butt joint claw, the inner side of the butt joint claw is provided with a butt joint groove, the outer ring of the opening of the butt joint is provided with an annular boss, the size of the boss is matched with that of the butt joint groove, and the boss extends towards a direction away from the butt joint of the opening.
During butt joint, the two butt joints are connected through the boss of the butt joint groove nested butt joint of the butt joint claw, and as the boss extends in the direction, when the butt joints are twisted mutually, the butt joint claw extends along with the extending direction of the boss, so that the two butt joints perform relative movement while twisting, and tight butt joint is realized.
The beneficial effects are that:
1. According to the rotatable fire hose connector, the rotary balls are arranged in the ball grooves, so that rotation can be realized between the butt joint and the connecting pipe through the rotary balls, and the rotary fire hose connector can rotate at the joint to enable the twisted water hose to be recovered to be normal, so that the efficiency of straightening the water hose is greatly improved, and the stability of fire water supply is improved.
2. The first sealing ring seals the connection between the connecting pipe and the butt joint, and avoids the water flow from flowing out of the gap between the front end connecting part and the inner wall of the butt joint for pressure relief.
3. Through setting up the go-between, when connecting the fire hose, be connected between fire hose and the connecting pipe through the mode that the copper ring rises tightly, connect closely.
4. When two butt joints are in butt joint, the openings of the two butt joints are aligned, and the second sealing ring can enable the openings of the two butt joints to be in tight butt joint, so that water leakage is avoided.
5. The second sealing ring extends out of the opening of the butt joint, so that when the two butt joints are in butt joint, the second sealing ring contacts before the opening, and then the butt joints are in butt joint under the action of pressure, and the tightness of the butt joints at the butt joint positions is further improved.
6. During butt joint, the two butt joints are connected through the boss of the butt joint groove nested butt joint of the butt joint claw, and as the boss extends in the direction, when the butt joints are twisted mutually, the butt joint claw extends along with the extending direction of the boss, so that the two butt joints perform relative movement while twisting, and tight butt joint is realized.
Drawings
Fig. 1 is a schematic view of the internal structure of a rotatable fire hose coupling according to an embodiment of the present utility model.
10. A connecting pipe; 11, front end connecting parts, 111, first sealing rings, 12, rear end connecting parts, 20, butt joints, 21, ball grooves, 22, rotating balls, 23, assembly holes, 24, butt joint clamping claws, 241, butt joint grooves, 25 and second sealing rings.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
Examples:
A rotatable fire hose joint, as shown in fig. 1, comprises a butt joint 20 for butt joint with each other and a connecting pipe 10 for connecting the fire hose, wherein a through hole for water is formed in the middle of the butt joint 20;
The connecting pipe 10 is including the rear end connecting portion 12 that is used for connecting the fire hose and the front end connecting portion 11 that is used for connecting the butt joint 20, front end connecting portion 11 communicates with each other with rear end connecting portion 12, the external diameter of front end connecting portion 11 and the internal diameter phase-match of butt joint 20, annular ball groove 21 has been seted up respectively to the outer wall of front end connecting portion 11 and the inner wall of butt joint 20, be provided with in the space that two ball grooves 21 lock formed and rotate ball 22, wear to be equipped with mounting hole 23 on the butt joint 20, mounting hole 23 connects ball groove 21 and external world, detachable is provided with the end cap in the mounting hole 23.
The rotatable fire hose connector provided by the utility model has the application scene that two sections of fire hoses are connected, the butt joint 20 is assembled with the connecting pipe 10 when the rotatable fire hose connector is used, the connecting pipe 10 is connected with the fire hose, the two connectors are connected through the butt joint 20, and when the rotatable fire hose connector is used, the butt joint 20 and the connecting pipe 10 realize relative rotation by virtue of the rotating balls 22, so that the twisted fire hose is straightened.
When the butt joint 20 and the connecting pipe 10 are assembled, the front end connecting part 11 of the connecting pipe 10 is inserted into the opening at one end of the butt joint 20, as the step is arranged between the front end connecting part 11 and the rear end connecting part 12, namely the step can be used as a positioning reference when the connecting pipe 10 is inserted, the step touches the opening of the butt joint 20, namely when the front end connecting part 11 is inserted into the deepest position, the semicircular ball grooves 21 of the front end connecting part 11 are just opposite to the semicircular ball grooves 21 of the inner wall of the butt joint 20, at the moment, two semicircular ball grooves 21 form a ball space, then the rotating balls 22 are plugged into the assembling holes 23 outside the butt joint 20, the rotating balls 22 downwards enter the ball space from the assembling holes 23, and the rotating balls 22 are continuously plugged into the annular ball space, finally, the plugs are inserted into the assembling holes 23, the rotating balls 22 are enabled to rotate relatively in the assembling space, and the connecting pipe 10 and the butt joint 20 can rotate relatively, and simultaneously, the two rotating balls 22 are uniformly and semi-blocked in the semicircular ball grooves 21 of the front end connecting part 11, and the butt joint 20 are blocked from rotating relatively.
According to the rotatable fire hose connector, the rotary balls 22 are arranged in the ball grooves 21, so that the butt joint 20 and the connecting pipe 10 can rotate through the rotary balls 22, and the rotary water hose is rotated at the joint to enable the twisted water hose to be recovered to be normal, so that the efficiency of straightening the water hose is greatly improved, and the stability of fire water supply is improved.
In another embodiment, as shown in fig. 1, a first sealing ring 111 is further provided between the front end connecting portion 11 and the inner wall of the abutment 20, and the first sealing ring 111 is provided between the ball groove 21 and the front end opening of the front end connecting portion 11.
The first sealing ring 111 seals the connection between the connecting pipe 10 and the butt joint 20, and prevents water flow from flowing out of the gap between the front end connecting part 11 and the inner wall of the butt joint 20 for pressure relief.
In another embodiment, as shown in fig. 1, a plurality of connection rings with right triangle cross sections are arranged on the inner wall of the rear end connection part 12 in a delayed axial direction, and inclined surfaces on the connection rings are opened towards the rear end of the connection pipe 10.
Through setting up the go-between, when connecting the fire hose, the mode that rises through the copper ring is connected between fire hose and the connecting pipe 10, connects closely.
The fire hose is inserted into the rear end connecting part 12, then copper rings are placed in the fire hose, the copper rings are outwards tensioned by tensioning equipment, the copper rings extrude the fire hose at all connecting rings of the rear end connecting part 12, and then the connection between the fire hose and the connecting pipe 10 is completed.
It should be emphasized that the connection mode of the copper ring tensioning is the prior art of the fire hose and the connecting pipe 10, and is not described herein.
In another embodiment, as shown in fig. 1, the abutment 20 is provided with a second sealing ring 25 at the opening remote from the connection tube 10.
When the two butt joints 20 are in butt joint, the openings of the two butt joints 20 are aligned, and the second sealing ring 25 can enable the openings of the two butt joints 20 to be in tight butt joint, so that water leakage is avoided.
In another embodiment, as shown in fig. 1, the side of the second seal 25 extends out of the opening of the abutment 20.
The second sealing ring 25 extends out of the opening of the butt joint 20, so that when the two butt joints 20 are in butt joint, the second sealing ring 25 contacts with the opening before the opening, and then is in butt joint under the action of pressure, and the tightness of the butt joint 20 at the butt joint position is further improved.
In another embodiment, as shown in fig. 1, a butt-joint claw 24 is disposed at the opening of the butt-joint 20, a butt-joint groove 241 is disposed at the inner side of the butt-joint claw 24, an annular boss is disposed at the outer ring of the opening of the butt-joint 20, the size of the boss matches the size of the butt-joint groove 241, and the boss extends toward the direction away from the butt-joint 20 of the opening.
During butt joint, the butt joint 20 is connected by nesting the bosses of the butt joint 20 through the butt joint grooves 241 of the butt joint claws 24, and as the bosses extend in the direction, when the butt joint 20 is screwed with each other, the butt joint claws 24 extend along with the extending direction of the bosses, so that the two butt joint 20 perform relative movement while screwing, and tight butt joint is realized.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The rotatable fire hose connector is characterized by comprising a butt joint for mutually butt joint and a connecting pipe for connecting the fire hose, wherein a through hole for water is formed in the middle of the butt joint;
The connecting pipe is including the front end connecting portion that is used for connecting the rear end connecting portion of fire hose and is used for connecting the butt joint, front end connecting portion and rear end connecting portion communicate with each other, the external diameter of front end connecting portion and the internal diameter phase-match of butt joint, annular ball groove has been seted up respectively to the outer wall of front end connecting portion and the inner wall of butt joint, two be provided with the rotation ball in the space that ball groove lock formed, wear to be equipped with the pilot hole on the butt joint, the ball groove is connected with the external world to the pilot hole, detachable is provided with the end cap in the pilot hole.
2. The rotatable fire hose coupling of claim 1, wherein a first seal ring is further disposed between the front end connection and the inner wall of the abutment, the first seal ring being disposed between the ball groove and the front end opening of the front end connection.
3. The rotatable fire hose coupling according to claim 1, wherein the inner wall of the rear connection is extended to axially arrange a plurality of connection rings having right triangle cross sections, and inclined surfaces on the connection rings are opened toward the rear end of the connection pipe.
4. A rotatable fire hose coupling according to claim 1 or claim 2, wherein the abutment is provided with a second sealing ring remote from the opening of the connection pipe.
5. The rotatable fire hose coupling of claim 4, wherein the side of the second seal ring extends out of the opening of the coupling.
6. The rotatable fire hose coupling according to claim 1, wherein the opening of the coupling is provided with a mating jaw, the inner side of the mating jaw is provided with a mating groove, the outer ring of the coupling is provided with an annular boss, the boss is sized to match the size of the mating groove, and the boss extends in a direction away from the open coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421569719.2U CN222687574U (en) | 2024-07-04 | 2024-07-04 | A rotatable fire hose joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421569719.2U CN222687574U (en) | 2024-07-04 | 2024-07-04 | A rotatable fire hose joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222687574U true CN222687574U (en) | 2025-03-28 |
Family
ID=95113502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421569719.2U Active CN222687574U (en) | 2024-07-04 | 2024-07-04 | A rotatable fire hose joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222687574U (en) |
-
2024
- 2024-07-04 CN CN202421569719.2U patent/CN222687574U/en active Active
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