CN210440606U

CN210440606U - Anti-disassembly type valve

Info

Publication number: CN210440606U
Application number: CN201920719518.9U
Authority: CN
Inventors: 董服义
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-05-01
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a disassembly-proof valve, which comprises a valve body, a valve body and a valve body, wherein the valve body is provided with a medium flow passage; the valve core is arranged on the valve body and used for opening and closing the medium flow passage; the connecting nut is arranged on the valve body and can rotate on the valve body; and the anti-dismantling structure is arranged on the valve body and is used for being sleeved on the connecting nut and matched with the connecting nut in an anti-falling way. The utility model has the advantages that the connecting nut is arranged on the valve body and is directly connected with the gas meter, so that the installation steps are reduced, the installation efficiency is improved, and the cost is reduced; meanwhile, leakage points are reduced, the air leakage condition is avoided, and the safety is improved; the anti-disassembly structure can avoid air leakage caused by unauthorized rotation of the connecting nut by non-professionals, and further improve the safety of gas entering a household.

Description

Anti-disassembly type valve

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to an anti-disassembly formula valve.

Background

In order to provide convenience for residents with gas, a gas company directly installs a gas pipeline indoors, the gas is supplied to each household for ignition of the gas stove through the gas pipeline, and meanwhile, in order to calculate the amount of the gas used by each household, the gas meter is required to be installed in each household; a gas meter connector is needed on the gas meter, a valve is connected through the gas meter connector, and then the valve is connected with a gas pipeline, so that the gas pipeline supplies gas through the gas meter; in order to avoid that a user mainly dismantles the meter connector so that gas is provided for the gas stove by bypassing the gas meter, part of the gas meter connectors can be designed to be of a disassembly-proof type, and once the meter connectors are connected with the gas meter, the meter connectors cannot be disassembled at will, if the disassembly is needed, the meter connectors can be damaged vigorously to realize the disassembly of the meter connectors from the gas meter.

A ball valve or other stop valves are arranged between the meter connector and the gas pipeline, so that the gas in the gas pipeline can be cut off and the flow rate can be controlled; however, because the meter connector and the valve are two independent parts, when the meter connector and the valve are connected, the meter connector and the valve need to be installed step by step, the installation time is long, and the installation efficiency is low; the cost of the two parts is high, and the economic benefit is poor; meanwhile, during installation, two matched parts are specially selected for combination, and if the matched parts are wrong, the matched parts cannot be installed, so that the preparation work before installation is complicated in the process; and because the meter connector and the valve are two independent parts, leakage points are easy to exist after the meter connector and the valve are installed, and the risk of air leakage exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a simple to operate, with low costs, the high anti-disassembly formula valve of security.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a disassembly-proof valve comprises

A valve body having a medium flow passage;

the valve core is arranged on the valve body and used for opening and closing the medium flow passage;

the connecting nut is rotatably arranged on the valve body and used for fixing one end of the valve body;

and the anti-dismantling structure is arranged on the valve body and is used for being sleeved on the connecting nut and matched with the connecting nut in an anti-falling way.

The utility model has the advantages that the valve body is provided with the connecting nut to be directly connected with the gas meter, and the valve body is installed without being connected through a conventional meter connector, so that the steps of installation are reduced, and the installation efficiency is improved; moreover, the valve body and the meter connector are not required to be connected through the meter connector, so that the cost is low and the economic benefit is high compared with a combined connection mode of the valve body and the meter connector; because the meter connector is not needed, one node required for connection is omitted, the installation is convenient, possible leakage points are reduced, the probability of air leakage is avoided, the safety of gas entering a home is improved, and the safety of indoor personnel is guaranteed; and set up the anti-disassembly structure and then can connect the back at coupling nut and table, the cover is on coupling nut, and then coupling nut can't be contacted, and it can realize connecting closely between coupling nut and the table joint, avoids the circumstances that non-professional person rotated coupling nut without permission and caused gas leakage, has improved the security that the gas went to the home.

Preferably, the anti-disassembly structure comprises an anti-disassembly piece which can be covered on the connecting nut and a clamping piece which is arranged on the anti-disassembly piece, and the clamping piece is matched with the connecting nut in an anti-disengaging manner; through preventing that the piece cover is on coupling nut, realize sheltering from coupling nut, consequently when coupling nut is dismantled to needs, need dismantle in advance and prevent that the piece is dismantled, and set up the fastener and then restrict and prevent that the piece is dismantled from coupling nut and throw off, consequently prevent that piece and fastener play the effect that prevents dismantling coupling nut.

Preferably, the anti-disassembly structure further comprises a stopper for limiting the anti-disassembly structure, and the stopper is detachably arranged on the connecting nut; keep off the piece through setting up and carry on spacingly to preventing tearing open, it is when the valve is not used, keeps off the piece and can avoid preventing tearing open on the piece embolias coupling nut because of vibrations such as transportation, has avoided the condition such as maloperation and has caused the unable normal use of valve, the utilization ratio of guarantee valve.

Preferably, the connecting nut is provided with a clamping groove for the clamping part to be embedded in; when the clamping piece is clamped into the clamping groove, the inner wall of the clamping groove can limit the clamping piece, so that the clamping piece is relative to the connecting nut, and the clamping piece is prevented from being separated, so that the clamping piece is high in stability in the process of limiting the anti-dismantling piece.

Preferably, the anti-dismantling part is provided with a groove part, and the clamping part is provided with a plurality of corner parts in limit fit with the inner wall of the groove part; the folded corner part is positioned in the groove part, so that the anti-dismounting part and the groove part cannot be separated in the process, and the groove part can provide a space for the deformation of the clamping piece when the clamping piece is deformed; meanwhile, the folded part can be elastically unfolded, and the original shape and structure of the clamping piece are not affected after the folded part is reset.

Preferably, the outer wall of the connecting nut is provided with an inclined plane part matched with the clamping piece; the fastener can open gradually so that the card can be clamped into the clamping groove when passing through the inclined plane part, the situation that the fastener is blocked by the connecting nut in the opening process and cannot be clamped into the clamping groove is avoided, and meanwhile, the strength of the connecting nut can be improved by the inclined plane part.

Preferably, an extension part is arranged on the valve body, and the connecting nut and the anti-dismounting structure are sleeved on the extension part; through setting up the extension can be convenient for coupling nut and rotate and move about from top to bottom on the valve body, make things convenient for valve body and gas table interconnect.

Preferably, the connecting nut is provided with a limiting convex part, and the valve body is provided with a clamp spring matched with the limiting convex part; through setting up spacing convex part and jump ring spacing each other, should spacing can ensure coupling nut can not throw off from the valve body, improves coupling nut and is accomplishing the stability after connecting.

Preferably, the valve body is provided with a connecting part, and a sealing washer is sleeved on the connecting part; the sealing can be realized after the connecting nut is connected with the gas meter by arranging the sealing washer, the sealing effect is good, and the danger caused by gas leakage is avoided; and the connecting part can be conveniently sleeved with the sealing washer, so that the connection is convenient.

Preferably, the end part of the connecting part is provided with a bulge part for limiting the sealing washer; the bulge can limit the sealing washer, and the sealing washer cannot be easily disengaged.

To sum up, the utility model reduces the installation steps, improves the installation efficiency and reduces the cost by arranging the connecting nut on the valve body to be directly connected with the gas meter; meanwhile, leakage points are reduced, the air leakage condition is avoided, and the safety is improved; the anti-disassembly structure can avoid air leakage caused by unauthorized rotation of the connecting nut by non-professionals, and further improve the safety of gas entering a household.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the valve body of the present invention.

Fig. 4 is a schematic view of a partial structure of the valve body of the present invention.

Fig. 5 is a schematic structural view of the fastener of the present invention.

Fig. 6 is a schematic structural view of the stopper of the present invention.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

As shown in fig. 1 to 6, a disassembly-proof valve includes a valve body 1 having a medium flow passage, a valve core 11, a connecting nut 2, and a disassembly-proof structure, wherein the valve body 1 is a metal valve, and the medium flow passage 10 is a cylindrical through cavity formed on the valve body 1; the valve core 11 is a metal ball with a cylindrical hole, the valve core 11 is arranged in the medium flow passage 10, the medium flow passage can be opened and closed through the rotation of the valve core 11, a rotation stopping groove is arranged at the upper part of the valve core 11, a valve rod 111 is inserted into the rotation stopping groove, the valve rod 111 is a metal rod, the upper part of the valve rod 111 penetrates out of the valve body 1, and the upper part of the valve rod 111 is connected with a handle 112 in a rotation stopping way; the valve rod 111 can be driven to rotate by rotating the handle 112, and then the valve core 11 is driven to rotate, so as to open and close the medium flow passage 10.

Furthermore, a sealing element 101 which is in contact with the side wall of the valve core 11 is arranged on the inner wall of the medium flow passage 10, the sealing element 101 can be a plastic part or a rubber part, and the sealing element 101 is in contact with the side wall of the valve core 11, so that no gap exists between the valve core 11 and the inner wall of the medium flow passage 10, and the sealing element 101 can improve the sealing performance of the whole valve body 1; meanwhile, a positioning convex part 181 is arranged on the valve body 1, and the positioning convex part 181 is used for limiting the handle 112 to rotate excessively; the handle 112 is provided with a butting part matched with the positioning convex part 181, and after the handle 112 rotates to a certain position, the butting part can contact with the positioning convex part 181 so as to open or close the medium flow passage.

Specifically, an extension part 15 is arranged at one end of the valve body 1, the extension part 15 can be integrally formed with the valve body 1, and can also be an additional metal part, if the extension part is the additional metal part, when the valve body is produced by the extension part, the metal part can be directly inserted into the valve body 1 and is fixedly connected to the valve body 1 in a glue bonding manner, and the extension part 15 in this embodiment is the additional metal part; the connecting nut 2 and the anti-disassembly structure are both sleeved on the extending part 15, wherein the connecting nut 2 is a metal nut, a limiting convex part 23 is arranged on the inner wall of one end of the connecting nut 2, an annular groove 159 is arranged at one end of the extending part 15, a clamp spring 16 is clamped in the annular groove 159, the clamp spring 16 is a round metal ring with a gap, and the clamp spring 16 limits the limiting convex part 23, so that the connecting nut 2 cannot be disengaged from the valve body 1; the end part of the extension part 15 is provided with a connecting part 151, the connecting part 151 is a section with the thickness smaller than that of the extension part 15, a sealing gasket 17 is sleeved on the connecting part 151, and the sealing gasket 17 is a rubber ring; the end of the extension part 15 is provided with a protruding part 152 for limiting the sealing gasket 17, and the protruding part 152 can be obtained by directly folding the end of the connecting part 151.

Further, after the connection of the connection nut 2 and the gas meter is completed, the anti-disassembly structure is sleeved on the connection nut 2 and covers the connection nut 2, so that the connection nut 2 cannot be contacted, and the connection nut 2 cannot rotate to be disengaged; specifically, the anti-disassembly structure comprises an anti-disassembly piece 31 and a clamping piece 32, wherein the anti-disassembly piece 31 is an annular sleeve made of a powder metallurgy material, and can be made of a plastic material; the anti-detaching element 31 can be sleeved on the connecting nut 2, a groove part 310 is arranged on the anti-detaching element 31, the groove part 310 is a ring of annular groove formed on the inner wall of the anti-detaching element 31, and the clamping element 32 is partially positioned in the groove part 310; specifically, the latch piece 32 has five folded corner portions 320, the folded corner portions 320 are located in the groove portion 310, and the folded corner portions 320 and the inner wall of the groove portion 310 are mutually limited, so that the latch piece 32 cannot be disengaged from the tamper-evident member 31; a clamping groove 21 is arranged at the end part of the connecting nut 2, and the clamping groove 21 is an annular groove; when the anti-detaching member is covered on the connecting nut 2, the folded corner part 320 on the clamping piece 32 is still in the groove part 310, and meanwhile, part of the clamping piece 32 is clamped into the clamping groove 21, so that the anti-detaching fit between the whole anti-detaching structure and the connecting nut 2 is realized.

In order to facilitate that the clamping piece 32 cannot be opened due to the limitation of the connecting nut 2 in the process that the anti-dismounting piece 31 is sleeved in the connecting nut 2, the side wall of the connecting nut 2 is provided with an inclined plane part 22, and the clamping piece 32 can be opened along the inclined plane part 22 and then clamped into the clamping groove 21; meanwhile, the problem that the anti-disassembly part 31 cannot be normally used because the anti-disassembly part 31 is sleeved on the clamping part 32 before the connecting nut 2 is not connected with the gas meter is avoided; a stopper 4 is sleeved on the slot 21, the stopper 4 can be a plastic ring or a rubber ring, and after the clamping piece 4 is sleeved in the slot 21, the stopper 4 can limit the end of the anti-disassembly piece 31, so that the anti-disassembly piece 31 cannot be completely sleeved on the connecting nut 2; and the card member 32 cannot be caught in the card slot 21.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. The utility model provides a prevent tearing open formula valve which characterized in that: comprises that

A valve body (1) having a medium flow passage (10);

the valve core (11) is arranged on the valve body (1) and is used for opening and closing the medium flow passage (10);

the connecting nut (2) is rotatably arranged on the valve body (1) and is used for fixing one end of the valve body (1);

the anti-dismantling structure is arranged on the valve body (1) and is used for being sleeved on the connecting nut (2) and matched with the connecting nut (2) in an anti-falling way.

2. A tamper-evident valve in accordance with claim 1, wherein: the anti-disassembly structure comprises an anti-disassembly piece (31) capable of being covered on the connecting nut (2) and a clamping piece (32) arranged on the anti-disassembly piece (31), wherein the clamping piece (32) is matched with the connecting nut (2) in an anti-disengaging mode.

3. A tamper-evident valve in accordance with claim 1, wherein: the anti-disassembly structure is characterized by further comprising a blocking piece (4) used for limiting the anti-disassembly structure, and the blocking piece (4) is detachably arranged on the connecting nut (2).

4. A tamper-evident valve in accordance with claim 2, wherein: the connecting nut (2) is provided with a clamping groove (21) for partially embedding the clamping piece (32).

5. A tamper-evident valve in accordance with claim 2, wherein: the anti-disassembly piece (31) is provided with a groove portion (310), and the clamping piece (32) is provided with a plurality of corner portions (320) in limit fit with the inner wall of the groove portion (310).

6. A tamper-evident valve in accordance with claim 2, wherein: the outer wall of the connecting nut (2) is provided with an inclined plane part (22), and the clamping piece (32) can be opened along the inclined plane part (22).

7. A tamper-evident valve in accordance with claim 1, wherein: an extension part (15) is arranged on the valve body (1), and the connecting nut (2) and the anti-dismounting structure are sleeved on the extension part (15).

8. A tamper-evident valve in accordance with claim 1, wherein: be equipped with spacing convex part (23) on coupling nut (2), be equipped with on valve body (1) with spacing convex part (23) matched with jump ring (16).

9. A tamper-evident valve in accordance with claim 1, wherein: the valve body (1) is provided with a connecting part (151), and the connecting part (151) is sleeved with a sealing washer (17).

10. A tamper-evident valve in accordance with claim 9, wherein: the end part of the connecting part (151) is provided with a bulge part (152) used for limiting the sealing washer (17).