CN212868862U - Valve with leak protection seal structure - Google Patents

Abstract

The utility model belongs to the technical field of the valve, especially, for a valve with leak protection seal structure, including main part and sealing washer, the top of main part is provided with the control valve rod, and the top of control valve rod is provided with the screw rod to the avris of screw rod is provided with the gag lever post, the outside of screw rod is run through there is the holding rod, and the top of holding rod is provided with first nut, the tip of main part runs through there is the connecting rod, and the end connection of connecting rod has the connecting pipe, the sealing washer is installed in the outside of connecting pipe, and the tip of sealing washer runs through there is the locating lever to the outside of locating lever runs through there is the second nut, the tip of connecting pipe is provided with the connection pad, and the avris of connection pad is provided. This valve with leak protection seal structure is through addding leak protection rubber circle, effectively carries out further leak protection operation to equipment, and the rubber circle can conveniently be changed, is favorable to the maintenance of equipment to be overhauld, reduces the emergence of leaking.

Description

Valve with leak protection seal structure

Technical Field

The utility model relates to the technical field of valves, specifically be a valve with leak protection seal structure.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system.

The valve in the market is poor in sealing performance, the situation of leakage is prone to occurring after the valve is used for a long time due to single installation and connection, the sealing structure cannot be conveniently and regularly replaced, and the problem that maintenance of equipment is not facilitated is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve with leak protection seal structure to propose current valve in solving above-mentioned background art, the leakproofness is relatively poor, and the condition of leaking easily appears after single erection joint makes the live time longer, and the seal structure can not be convenient carry out periodic replacement, is unfavorable for the problem that equipment maintained.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve with leak protection seal structure, includes main part and sealing washer, the top of main part is provided with control valve rod, and control valve rod's top is provided with the screw rod to the avris of screw rod is provided with the gag lever post, the holding rod has been run through in the outside of screw rod, and the top of holding rod is provided with first nut, the tip of main part runs through there is the connecting rod, and the end connection of connecting rod has the connecting pipe, the sealing washer is installed in the outside of connecting pipe, and the tip of sealing washer runs through there is the locating lever to the outside of locating lever runs through there is the second nut, the tip of connecting pipe is provided with the connection pad, and the avris of connection pad is provided with the draw-in groove to the inside of draw-in groove is provided with the.

Preferably, the holding rod forms a clamping structure through the limiting rod and the control valve rod, and the holding rod forms a detachable structure through the first nut and the screw rod.

Preferably, the connecting pipe is perpendicular to the connecting rod, and the central axis of the connecting pipe coincides with the central axis of the main body.

Preferably, the circle center of the sealing ring and the circle center of the connecting pipe coincide with each other, and the sealing ring forms a detachable structure through the positioning rod and the second nut.

Preferably, the rubber ring forms a clamping structure through the buckle and the clamping groove, and the clamping groove is symmetrically arranged about a central axis of the connecting disc.

Preferably, the circle center of the rubber ring and the circle center of the connecting disc are overlapped, and the pipeline is tightly attached to the rubber ring.

Compared with the prior art, the beneficial effects of the utility model are that: the leakage-proof rubber ring is additionally arranged, so that the further leakage-proof operation is effectively carried out on the equipment, and the rubber ring can be conveniently replaced, thereby being beneficial to the maintenance and repair of the equipment and reducing the leakage;

1. the valve with the leak-proof sealing structure is provided with a control valve rod, a holding rod is arranged on a screw in a penetrating way, a bottom hole groove and a limiting rod are mutually aligned and spliced, a first nut is rotationally arranged on the screw, the holding rod is fixedly arranged through the first nut and can be additionally arranged when in use, so that the control valve is used, the holding rod is detached when not in use, the occurrence of misoperation can be prevented, then the end part of equipment and a connecting pipe are in butt joint connection through the connecting rod, the connecting pipe is additionally arranged, so that the valve structure in the main body can be conveniently disassembled and assembled for overhauling and cleaning, when the equipment is prevented from having problems, the inside of the equipment is not convenient for disassembling and overhauling, leakage possibly occurs due to connection and installation, a sealing ring is additionally arranged on the outer side, the sealing ring is directly clamped with a connecting groove, and the two ends of the sealing ring are fastened through an end part positioning rod, the sealing ring is tightly arranged at the joint gap between the connecting pipe and the main body, so that the equipment can be conveniently subjected to leakage-proof operation, and the leakage of the equipment is reduced;

2. this valve with leak protection seal structure is provided with the rubber circle, when equipment need with the pipeline butt joint installation, install rubber circle both ends on the draw-in groove in the connection pad outside earlier, inside buckle can stretch out and draw back when installing carries out the block fixed to it, installation rubber circle that can be accurate stable, make the rubber circle can with pipeline avris block, and through the fastening operation when installing additional, extrude annular rubber circle, make it warp and fill two gaps, can more stable jointing equipment, reduce the appearance of the unstable and easy condition of leaking of gap connection.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the connection structure of the holding rod and the screw rod of the present invention;

FIG. 3 is a schematic view of the cross-section structure of the sealing ring of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is the schematic view of the connection structure of the pipeline and the rubber ring of the present invention.

In the figure: 1. a main body; 2. a control valve stem; 3. a screw; 4. a limiting rod; 5. a holding rod; 6. a first nut; 7. a connecting rod; 8. a connecting pipe; 9. a seal ring; 10. positioning a rod; 11. a second nut; 12. a connecting disc; 13. a card slot; 14. buckling; 15. a rubber ring; 16. a pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a valve with a leak-proof sealing structure comprises a main body 1, a control valve rod 2, a screw 3, a limiting rod 4, a holding rod 5, a first nut 6, a connecting rod 7, a connecting pipe 8, a sealing ring 9, a positioning rod 10, a second nut 11, a connecting disc 12, a clamping groove 13, a buckle 14, a rubber ring 15 and a pipeline 16, wherein the top of the main body 1 is provided with the control valve rod 2, the top of the control valve rod 2 is provided with the screw 3, the side of the screw 3 is provided with the limiting rod 4, the outer side of the screw 3 penetrates through the holding rod 5, the first nut 6 is arranged above the holding rod 5, the end part of the main body 1 penetrates through the connecting rod 7, the end part of the connecting rod 7 is connected with the connecting pipe 8, the sealing ring 9 is arranged on the outer side of the connecting pipe 8, the end part of the sealing ring 9 penetrates through the positioning rod 10, the outer side of the, a clamping groove 13 is formed in the side of the connecting disc 12, a buckle 14 is arranged inside the clamping groove 13, a rubber ring 15 is arranged inside the buckle 14, and a pipeline 16 is arranged outside the rubber ring 15;

furthermore, the holding rod 5 forms a clamping structure with the control valve rod 2 through the limiting rod 4, and the holding rod 5 forms a detachable structure with the screw rod 3 through the first nut 6, so that the control valve is used, and the holding rod 5 is detached when not used, so that the misoperation can be prevented;

furthermore, the connecting pipe 8 and the connecting rod 7 are perpendicular to each other, and the central axis of the connecting pipe 8 is superposed with the central axis of the main body 1, so that the condition that the inside is inconvenient to disassemble, assemble and maintain when the equipment has problems is prevented;

furthermore, the circle center of the sealing ring 9 and the circle center of the connecting pipe 8 are overlapped, and the sealing ring 9 forms a detachable structure through the positioning rod 10 and the second nut 11, so that the sealing ring 9 is tightly arranged at the connecting gap between the connecting pipe 8 and the main body 1, and the equipment can conveniently perform leak-proof operation;

furthermore, the rubber ring 15 forms a clamping structure through the buckles 14 and the clamping grooves 13, the clamping grooves 13 are symmetrically arranged about the central axis of the connecting disc 12, the inner buckles 14 can stretch out and draw back to clamp and fix the rubber ring during installation, and the rubber ring 15 can be accurately and stably installed;

further, the centre of a circle of rubber circle 15 and the centre of a circle of connection pad 12 coincide each other, and closely laminate between 16 and the rubber circle 15 of pipeline, extrude annular rubber circle 15, make it warp and fill two gaps, jointing equipment that can be more stable.

The working principle is as follows: for the valve, as shown in fig. 1-3, firstly, the valve rod 2 is controlled, the holding rod 5 is installed on the screw rod 3 in a penetrating way, the bottom hole groove and the limiting rod 4 are mutually aligned and inserted, then the first nut 6 is rotatably installed on the screw rod 3, the holding rod 5 is installed and fixed through the first nut 6, the holding rod 5 can be additionally installed when the valve is used, the valve is controlled to be used, the holding rod 5 is detached when the valve is not used, the misoperation can be prevented, then, the end part of the device is in butt joint connection with the connecting pipe 8 through the connecting rod 7, the connecting pipe 8 can be conveniently disassembled and assembled to overhaul and clean the valve structure in the main body 1, when the device is in a problem, the inside is not convenient to disassemble and assemble, and overhaul can occur, the leakage can occur due to the connection and installation, the sealing ring 9 is additionally installed on the outer side, the sealing ring 9 is directly, two ends of the sealing ring 9 are fastened through the end positioning rod 10 and the second screw cap 11, so that the sealing ring 9 is tightly arranged at a connecting gap between the connecting pipe 8 and the main body 1, the leakage-proof operation of the equipment is facilitated, and the leakage of the equipment is reduced;

according to fig. 1, as shown in fig. 4 and fig. 5, when equipment needs to be installed in a butt joint mode with a pipeline 16, the two ends of a rubber ring 15 are installed on a clamping groove 13 in the outer side of a connecting disc 12, an internal buckle 14 can stretch out and draw back to clamp and fix the rubber ring during installation, the rubber ring 15 can be accurately and stably installed, the rubber ring 15 can be clamped with the side of the pipeline 16, the annular rubber ring 15 is extruded through fastening operation during installation, the annular rubber ring 15 is deformed and fills gaps between the annular rubber ring and the pipeline, more stable connecting equipment can be achieved, the phenomenon that the gap connection is unstable and water leakage is prone to occurring is reduced, and the using process of the whole valve is achieved accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A valve with a leak-proof sealing structure comprises a main body (1) and a sealing ring (9), and is characterized in that: the top of the main body (1) is provided with a control valve rod (2), the top of the control valve rod (2) is provided with a screw rod (3), the side of the screw rod (3) is provided with a limiting rod (4), the outer side of the screw rod (3) is penetrated with a holding rod (5), a first nut (6) is arranged above the holding rod (5), the end part of the main body (1) is penetrated with a connecting rod (7), the end part of the connecting rod (7) is connected with a connecting pipe (8), a sealing ring (9) is arranged on the outer side of the connecting pipe (8), the end part of the sealing ring (9) is penetrated with a positioning rod (10), the outer side of the positioning rod (10) is penetrated with a second nut (11), the end part of the connecting pipe (8) is provided with a connecting disc (12), the side of the connecting disc (12) is provided with a clamping groove (13), and the inside, the inside of buckle (14) is provided with rubber circle (15), and the outside of rubber circle (15) is provided with pipeline (16).

2. A valve having a leak-proof seal structure as defined in claim 1, wherein: the holding rod (5) forms a clamping structure between the limiting rod (4) and the control valve rod (2), and the holding rod (5) forms a detachable structure between the first screw cap (6) and the screw rod (3).

3. A valve having a leak-proof seal structure as defined in claim 1, wherein: mutually perpendicular between connecting pipe (8) and connecting rod (7), and the axis of connecting pipe (8) and the axis of main part (1) coincide each other.

4. A valve having a leak-proof seal structure as defined in claim 1, wherein: the circle center of the sealing ring (9) is overlapped with the circle center of the connecting pipe (8), and the sealing ring (9) forms a detachable structure with the second screw cap (11) through the positioning rod (10).

5. A valve having a leak-proof seal structure as defined in claim 1, wherein: the rubber ring (15) forms a clamping structure through the buckle (14) and the clamping groove (13), and the clamping groove (13) is symmetrically arranged relative to the central axis of the connecting disc (12).

6. A valve having a leak-proof seal structure as defined in claim 1, wherein: the circle center of the rubber ring (15) is overlapped with the circle center of the connecting disc (12), and the pipeline (16) is tightly attached to the rubber ring (15).

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