CN211145726U - Elbow interface piece for fire-fighting equipment - Google Patents

Elbow interface piece for fire-fighting equipment Download PDF

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Publication number
CN211145726U
CN211145726U CN201921940815.2U CN201921940815U CN211145726U CN 211145726 U CN211145726 U CN 211145726U CN 201921940815 U CN201921940815 U CN 201921940815U CN 211145726 U CN211145726 U CN 211145726U
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CN
China
Prior art keywords
pipe
elbow
sealing
conical
thread
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Expired - Fee Related
Application number
CN201921940815.2U
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Chinese (zh)
Inventor
毛玉彬
曹芝维
余世伟
孙成龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Donghai Xingyu Information Engineering Co ltd
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Nanjing Donghai Xingyu Information Engineering Co ltd
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Priority to CN201921940815.2U priority Critical patent/CN211145726U/en
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Publication of CN211145726U publication Critical patent/CN211145726U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an elbow interface spare for fire-fighting equipment, including the elbow pipe, the connecting pipe, the tighrening ring, the external screw thread has been seted up to the surface of elbow socle, the inside welding of elbow pipe has the sealing plug, the limbers has been seted up to the centre of sealing plug, the surface bonding of sealing plug bottom has the sealing layer, the top welding of connecting pipe has outer pipe and inlayer pipe, outer taper thread has been seted up to the surface of outer pipe upper end, set up flutedly between outer pipe and the inlayer pipe, the inside sliding connection of recess has the sealing ring, fixedly connected with spring between the bottom of sealing ring's bottom and the bottom surface of recess, straight hole and bell mouth have been seted up to the centre of tighrening ring, the bell mouth is located straight hole under, the internal thread has been seted up to the internal surface in straight. Through the grafting mode of elbow pipe and connecting pipe, can be so that the elbow pipe has better sealed effect with being connected of connecting pipe when, can also carry out high-speed joint and dismantle.

Description

Elbow interface piece for fire-fighting equipment
Technical Field
The utility model relates to a fire-fighting equipment technical field especially relates to an elbow interface spare for fire-fighting equipment.
Background
The fire-fighting facilities refer to fixed facilities such as an automatic fire alarm system, an indoor fire hydrant, an outdoor fire hydrant and the like in a building. The automatic fire fighting facilities are divided into electric system automatic facilities and water system automatic facilities. Fire safety is closely related to life and property safety of people, in order to be able to deal with accidents such as fire disasters as soon as possible, a large amount of fire fighting equipment such as fire hydrants and hose reel boxes are generally arranged in the open in cities, and an elbow interface piece is needed to facilitate connection of the fire fighting equipment.
However, most of elbow connectors are connected through simple pipe threads at present, the sealing effect is poor, so that the situations of water leakage, looseness and the like are easy to happen at the connection position, and the connection structure with the good sealing effect is troublesome in installation and needs to consume more installation time.
SUMMERY OF THE UTILITY MODEL
The utility model provides an elbow interface spare for fire-fighting equipment connects with the simple and easy pipe thread of use that solves above-mentioned background art and provide, and sealed effect is poor, and has the connection structure of better sealed effect, comparatively troublesome problem during its installation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an elbow interface piece for fire-fighting equipment comprises an elbow pipe, a connecting pipe and a fastening ring, wherein external threads are arranged on the outer surface of the bottom end of the elbow pipe, a sealing plug is welded inside the elbow pipe, a water through hole is formed in the middle of the sealing plug, a sealing layer is bonded on the outer surface of the bottom end of the sealing plug, the connecting pipe is positioned below the elbow pipe, an outer pipe and an inner pipe are welded at the top of the connecting pipe, the inner pipe is positioned inside the outer pipe, an outer conical thread is arranged on the outer surface of the upper end of the outer pipe, a groove is formed between the outer pipe and the inner pipe, a sealing ring is connected inside the groove in a sliding manner, a spring is fixedly connected between the bottom of the sealing ring and the bottom surface of the groove, the fastening ring is connected between the elbow pipe and the connecting pipe through threads, a straight hole and a conical hole, the tapered hole is located under the straight hole, the inner surface of the straight hole is provided with internal threads, and the inner surface of the tapered hole is provided with internal tapered threads.
Furthermore, the bottom end of the elbow pipe is inserted into the groove, and the bottom of the elbow pipe is attached to the upper surface of the sealing ring.
Further, when the elbow pipe is inserted into the groove, the inner surface of the outer layer pipe is attached to the outer surface of the elbow pipe, the inner layer pipe is located inside the elbow pipe, and the outer surface of the inner layer pipe is attached to the inner surface of the elbow pipe.
Furthermore, the bottom end of the sealing plug is a conical surface, the sealing layer is bonded on the conical surface, and the sealing layer is made of rubber, silica gel and latex materials.
Furthermore, the inner surface of the top of the inner tube is a conical surface, and the inner conical surface of the top of the inner tube is in taper fit with the outer conical surface of the bottom end of the sealing plug.
Further, the external thread is screwed with the internal thread of the straight hole.
Furthermore, the outer surface of the top of the outer layer pipe is a conical surface, and the outer conical threads are arranged on the conical surface of the outer layer pipe.
Furthermore, the inner conical threads in the conical hole are screwed with the outer conical threads in the outer layer pipe.
Compared with the prior art, the utility model discloses the beneficial effect who realizes:
through the grafting mode of elbow pipe and connecting pipe, can be quick be connected elbow pipe and connecting pipe, and when elbow pipe and connecting pipe are pegged graft, the sealing plug can seal the junction of elbow pipe and inlayer pipe, it is sealed effectual, and the outer awl threaded connection of interior awl screw thread through the tighrening ring internal surface and outer pipe, make the tighrening ring can be quick consolidate being connected of elbow pipe and connecting pipe, with this connected mode through above, when making the elbow pipe have better sealed effect with being connected of connecting pipe, can also carry out high-speed joint and dismantlement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 3 is a schematic structural view of the elbow pipe of the present invention.
Fig. 4 is a schematic structural diagram of the connecting pipe of the present invention.
Fig. 5 is a schematic structural view of the fastening ring of the present invention.
Fig. 6 is a schematic view of the external structure of the present invention.
Fig. 7 is a schematic structural view of fig. 6 with the fastening ring removed according to the present invention.
In FIGS. 1-7: 1-elbow pipe, 101-external thread, 2-connecting pipe, 201-outer pipe, 202-inner pipe, 203-external conical thread, 204-groove, 3-fastening ring, 301-straight hole, 302-internal thread, 303-conical hole, 304-internal conical thread, 4-spring, 5-sealing ring, 6-sealing plug, 601-limber hole and 602-sealing layer.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Please refer to fig. 1 to 7:
the utility model provides an elbow interface spare for fire-fighting equipment, including elbow pipe 1, connecting pipe 2, tighrening ring 3, carry out the detailed description below to each part that an elbow interface spare for fire-fighting equipment:
the outer surface of the bottom end of the elbow pipe 1 is provided with an external thread 101, the inside of the elbow pipe 1 is welded with a sealing plug 6, the middle of the sealing plug 6 is provided with a water through hole 601, and the outer surface of the bottom end of the sealing plug 6 is bonded with a sealing layer 602;
specifically, the elbow pipe 1 can connect the fastening piece 3 to the outer surface of the elbow pipe 1 through the matching of the external thread 101 and the internal thread 302, the sealing plug 6 can seal the joint of the inner layer pipe 202 and the elbow pipe 1 when the elbow pipe 1 is inserted into the groove 204 of the connecting pipe 2, and the conical sealing layer 602 can be in taper fit with the inner surface of the top of the inner layer pipe 202 when the sealing plug 6 is sealed, so that the sealing plug 6 and the inner layer pipe 202 have good self-locking and sealing effects by utilizing the characteristic of taper fit, and the connecting pipe 2 and the elbow pipe 1 can be quickly connected through the insertion connection mode of the elbow pipe 1 and the groove 204, the installation speed is high, and the leakage-proof sealing effect is good;
according to the above, the connecting pipe 2 is located below the elbow pipe 1, the outer layer pipe 201 and the inner layer pipe 202 are welded at the top of the connecting pipe 2, the inner layer pipe 202 is located on the inner side of the outer layer pipe 201, the outer surface of the upper end of the outer layer pipe 201 is provided with the outer conical thread 203, the groove 204 is formed between the outer layer pipe 201 and the inner layer pipe 202, the sealing ring 5 is connected to the inside of the groove 204 in a sliding manner, and the spring 4 is fixedly connected between the bottom of the sealing ring 5 and the bottom surface of the groove 204;
specifically, when the elbow pipe 1 is inserted into the groove 204 between the outer pipe 201 and the inner pipe 202, the outer pipe 201 and the inner pipe 202 can provide a good sealing effect, meanwhile, the sealing ring 5 can seal the joint between the bottom of the elbow pipe 1 and the outer pipe 201 and the joint between the bottom of the elbow pipe 1 and the inner pipe 202, and the spring 4 is extruded when the elbow pipe 1 is inserted into the groove 204, so that the spring 4 can generate an upward elastic force which can enable the sealing ring 5 to be in close contact with the bottom of the elbow pipe 1, and the sealing ring 5 is ensured to have a good sealing effect;
according to the above, the fastening ring 3 is connected between the elbow pipe 1 and the connecting pipe 2 through the screw thread, the middle of the fastening ring 3 is provided with the straight hole 301 and the tapered hole 303, the tapered hole 303 is positioned right below the straight hole 301, the inner surface of the straight hole 301 is provided with the internal thread 302, and the inner surface of the tapered hole 303 is provided with the internal tapered screw thread 304;
concretely, after elbow pipe 1 inserts the recess 204 of connecting pipe 2, just accomplish preliminary connection, rotate tighrening ring 3 next, let tighrening ring 3 down move along elbow pipe 1, and the tighrening ring 3 of downstream utilizes its inside bell mouth 303, and the interior taper thread 304 of bell mouth 303, just can carry out awl threaded connection with outer taper thread 203 of outer pipe 201, with this tighrening ring 3 alright consolidate elbow pipe 1 and connecting pipe 2's being connected, and the awl threaded connection through outer taper thread 203 and interior taper thread 304, and utilize awl threaded connection's characteristic, when can guaranteeing that tighrening ring 3 has convenient and fast's connected mode, still have better fastening, sealing capacity.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (8)

1. An elbow interface piece for fire-fighting equipment, includes elbow pipe (1), connecting pipe (2), tighrening ring (3), its characterized in that:
the outer surface of the bottom end of the elbow pipe (1) is provided with an external thread (101), a sealing plug (6) is welded inside the elbow pipe (1), the middle of the sealing plug (6) is provided with a water through hole (601), and a sealing layer (602) is bonded on the outer surface of the bottom end of the sealing plug (6);
the connecting pipe (2) is located below the elbow pipe (1), an outer layer pipe (201) and an inner layer pipe (202) are welded to the top of the connecting pipe (2), the inner layer pipe (202) is located on the inner side of the outer layer pipe (201), an outer conical thread (203) is formed in the outer surface of the upper end of the outer layer pipe (201), a groove (204) is formed between the outer layer pipe (201) and the inner layer pipe (202), a sealing ring (5) is connected to the inner portion of the groove (204) in a sliding mode, and a spring (4) is fixedly connected between the bottom of the sealing ring (5) and the bottom of the groove (204);
the fastening ring (3) is connected between the elbow pipe (1) and the connecting pipe (2) through threads, a straight hole (301) and a tapered hole (303) are formed in the middle of the fastening ring (3), the tapered hole (303) is located under the straight hole (301), an internal thread (302) is formed in the inner surface of the straight hole (301), and an internal cone thread (304) is formed in the inner surface of the tapered hole (303).
2. The elbow interface for a fire apparatus of claim 1, wherein: the bottom end of the elbow pipe (1) is inserted into the groove (204), and the bottom of the elbow pipe (1) is attached to the upper surface of the sealing ring (5).
3. The elbow interface for a fire apparatus of claim 2, wherein: when the elbow pipe (1) is inserted into the groove (204), the inner surface of the outer layer pipe (201) is attached to the outer surface of the elbow pipe (1), the inner layer pipe (202) is located inside the elbow pipe (1), and the outer surface of the inner layer pipe (202) is attached to the inner surface of the elbow pipe (1).
4. The elbow interface for a fire apparatus of claim 1, wherein: the bottom end of the sealing plug (6) is a conical surface, the sealing layer (602) is bonded on the conical surface, and the sealing layer (602) is made of rubber, silica gel and latex materials.
5. An elbow interface for fire apparatus as defined in claim 3 or claim 4, wherein: the inner surface of the top of the inner-layer pipe (202) is a conical surface, and the inner conical surface of the top of the inner-layer pipe (202) is in conical fit with the outer conical surface of the bottom end of the sealing plug (6).
6. The elbow interface for a fire apparatus of claim 1, wherein: the external thread (101) is screwed with the internal thread (302) of the straight hole (301).
7. The elbow interface for a fire apparatus of claim 1, wherein: the outer surface of the top of the outer layer pipe (201) is a conical surface, and the outer conical threads (203) are arranged on the conical surface of the outer layer pipe (201).
8. The elbow interface for a fire apparatus of claim 7, wherein: the inner conical thread (304) in the conical hole (303) is screwed with the outer conical thread (203) in the outer layer pipe (201).
CN201921940815.2U 2019-11-12 2019-11-12 Elbow interface piece for fire-fighting equipment Expired - Fee Related CN211145726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921940815.2U CN211145726U (en) 2019-11-12 2019-11-12 Elbow interface piece for fire-fighting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921940815.2U CN211145726U (en) 2019-11-12 2019-11-12 Elbow interface piece for fire-fighting equipment

Publications (1)

Publication Number Publication Date
CN211145726U true CN211145726U (en) 2020-07-31

Family

ID=71775029

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921940815.2U Expired - Fee Related CN211145726U (en) 2019-11-12 2019-11-12 Elbow interface piece for fire-fighting equipment

Country Status (1)

Country Link
CN (1) CN211145726U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111981221A (en) * 2020-09-18 2020-11-24 珠海格力智能装备有限公司 Connecting device and automatic detection system with same
CN112693902A (en) * 2020-12-29 2021-04-23 江西理工大学 Positive-pressure pneumatic conveying system for granular dust
CN113740598A (en) * 2021-08-31 2021-12-03 广西电网有限责任公司钦州供电局 Can continue to connect type high-voltage electroscope

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111981221A (en) * 2020-09-18 2020-11-24 珠海格力智能装备有限公司 Connecting device and automatic detection system with same
CN112693902A (en) * 2020-12-29 2021-04-23 江西理工大学 Positive-pressure pneumatic conveying system for granular dust
CN113740598A (en) * 2021-08-31 2021-12-03 广西电网有限责任公司钦州供电局 Can continue to connect type high-voltage electroscope

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200731

Termination date: 20201112