Novel connecting structure of gate plate and valve rod

The inverted T-shaped perforation and embedded groove design, combined with the connection method of the fixed sleeve and threaded hole, solves the problem of easy separation between the gate and the valve stem, achieves high-strength connection and reduces maintenance costs.

CN223434772UActive Publication Date: 2025-10-14WENZHOU CHISUN VALVE MFG CO LTD
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Patent Information

Application Number
CN202422774298.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-10-14
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

The existing connection structure between the gate and the valve stem is easily separated under the impact of the medium, resulting in frequent replacement of elastic fastening components and increased costs.

Method used

The inverted T-shaped perforation and embedded groove design are combined with the connection method of the fixing sleeve and the threaded hole, so that the connecting part is clamped in the perforation and fixed by screws to form an integrated structure.

Benefits of technology

The connection strength between the gate and the valve stem is improved to prevent separation, which reduces the frequency of replacing fixings and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223434772U_ABST
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Abstract

The utility model discloses a novel connecting structure of a flashboard and a valve rod, which comprises the flashboard and the valve rod, the upper end of the flashboard is provided with a through hole, the through hole is in an inverted T shape, the valve rod comprises a rod part and a connecting part, two sides of the connecting part are provided with embedded grooves, the connecting part is clamped in the through hole and is matched with the through hole, and the flashboard is connected with the valve rod through the embedded grooves. The valve rod is sleeved with a fixing sleeve, clamping grooves are formed in the positions, corresponding to the flashboards, of the two sides of the lower end of the fixing sleeve, the flashboards are clamped in the corresponding clamping grooves, and the fixing sleeve is located on the outer side of the connecting part and fixedly connected with the connecting part. The connection strength of the gate plate and the valve rod is high, the gate plate and the valve rod are not easy to separate and do not need to be replaced repeatedly, and cost is effectively reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gate valve accessory technical field more specifically relates to a new type connecting structure of gate and valve rod. BACKGROUND

[0002] Gate is the component in the valve body for connecting the valve rod to control the valve body to open or close. The existing gate is directly connected with the valve rod through the setting of inverted T-shaped groove, under the impact of medium, the gate swings back and forth along the pipeline, which easily causes the T-shaped joint to slide off from the T-shaped groove, makes the gate and valve rod separate, and causes the gate to fall off.

[0003] The gate with publication number CN203463702U in the prior art plays a role in fixing the valve rod through the setting of elastic fastening component, but because the elastic fastening component and the through groove are still in parallel state, under the impact of medium for a long time, when the gate swings back and forth, the elastic fastening component will be abraded, after the elastic fastening component is abraded, it is still easy to separate from the through groove, which will cause the valve rod to separate subsequently, and the elastic fastening component needs to be replaced frequently, which increases the cost, therefore the utility model provides a new type connecting structure of gate and valve rod. UTILITY MODEL CONTENT

[0004] The utility model discloses a new type connecting structure of gate and valve rod, and the connecting strength of gate and valve rod is high, the gate and valve rod are not easy to separate, and the fixed sleeve does not need to be replaced repeatedly, so that the cost is effectively reduced.

[0005] In order to achieve the above object, the utility model provides the following technical scheme:

[0006] A new type connecting structure of gate and valve rod, including gate and valve rod, the upper end of the gate is equipped with a perforation, the perforation is inverted T shape, the valve rod includes a rod part and a connecting part, the connecting part is equipped with an embedded groove on both sides, the connecting part is clamped in the perforation and matched with the perforation, the valve rod is equipped with a fixed sleeve, the lower end of the fixed sleeve is equipped with a clamping groove on both sides corresponding to the position of the gate, the gate is clamped in the corresponding clamping groove, and the fixed sleeve is fixedly connected with the connecting part on the outside of the connecting part.

[0007] The utility model has the advantages that:

[0008] The setting of the fixed sleeve can clamp the connecting part in the perforation, so that the connecting part cannot separate from the perforation, the connecting strength of the gate and the valve rod is effectively improved, the valve rod and the gate are not easy to separate, and the fixed sleeve does not need to be replaced repeatedly, so that the cost is effectively reduced.

[0009] Further, the rod part and the connecting part are integrated.

[0010] With the above technical scheme, the utility model has the advantages of the following:

[0011] The rod part and the connecting part are integrally arranged, so that the rod part can be fixedly connected with the gate plate through the connecting part.

[0012] Further, the connecting part is provided with a threaded hole one, the fixed sleeve is provided with a threaded hole two corresponding to the threaded hole one, and the connecting part and the fixed sleeve are fixedly connected through screws.

[0013] With the above technical scheme, the utility model has the advantages of the following:

[0014] The threaded hole one and the threaded hole two are arranged, so that the fixed sleeve can be fixed outside the connecting part. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings and examples.

[0016] Fig. 1 It is a fixed sleeve and connecting part separation structure schematic view of the utility model;

[0017] Fig. 2 It is a structure schematic view of the utility model;

[0018] Fig. 3 It is a valve stem, gate plate and fixed sleeve separation structure schematic view of the utility model.

[0019] Reference signs: 1, gate plate; 101, perforation; 2, connecting part; 201, embedded groove; 202, threaded hole one; 3, fixed sleeve; 301, clamping groove; 302, threaded hole two; 4, rod part. DETAILED DESCRIPTION

[0020] As Figs. 1-3 shown, in the specific embodiment, a new type of connecting structure of gate plate and valve stem, including gate plate 1 and valve stem, the upper end of gate plate 1 is provided with perforation 101, and the perforation 101 is inverted T shape, the valve stem includes rod part 4 and connecting part 2, the both sides of connecting part 2 are provided with embedded groove 201, connecting part 2 is clamped in the perforation 101 and matched with the perforation 101, the valve stem is provided with fixed sleeve 3, the both sides of the lower end of fixed sleeve 3 are provided with clamping groove 301 corresponding to the position of gate plate 1, gate plate 1 is clamped in the corresponding clamping groove 301, and fixed sleeve 3 is fixedly connected with connecting part 2 outside connecting part 2.

[0021] Through the above arrangement, the fixed sleeve 3 of the utility model is arranged, so that the connecting part 2 can be clamped in the perforation 101, so that the connecting part 2 cannot be separated from the perforation 101, the connecting strength of the gate plate 1 and the valve stem is effectively improved, the valve stem and the gate plate 1 are not easy to separate, and the fixed sleeve 3 does not need to be replaced repeatedly, so that the cost is effectively reduced.

[0022] As Figs. 2-3 shown, the rod part 4 and the connecting part 2 are of an integral structure; the connecting part 2 is provided with a threaded hole one 202, the fixed sleeve 3 is provided with a threaded hole two 302 corresponding to the position of the threaded hole one 202, and the connecting part 2 and the fixed sleeve 3 are fixedly connected through screws.

[0023] Through the above setting, the rod part 4 and the connecting part 2 are integrally arranged, so that the rod part 4 can be fixedly connected with the gate plate 1 through the connecting part 2; the threaded hole one 202 and the threaded hole two 302 are arranged, so that the fixed sleeve 3 can be fixed outside the connecting part 2.

[0024] Working principle: when installing, only need to insert the connecting part 2 of the valve stem into the perforation 101, then set the fixed sleeve 3 outside the valve stem, move the fixed sleeve 3 downwards until the both ends of the gate plate 1 are clamped in the clamping groove 301 of the fixed sleeve 3, then fix the fixed sleeve 3 and the connecting part 2 through the screws penetrating the threaded hole one 202 and the threaded hole two 302, the fixing of the fixed sleeve 3 makes the connecting part 2 not to be separated from the perforation 101, the fixing of the connecting part 2 makes the fixed sleeve 3 firmly set outside the connecting part 2, thereby improving the connecting strength of the gate plate 1 and the valve stem, and the fixed sleeve 3 can be used all the time without repeated replacement, effectively reducing the cost.

[0025] The above is only the preferred embodiment of the utility model, the protection scope of the utility model is not only limited to the above-mentioned embodiments, and all technical solutions under the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary skilled in the art, some improvements and decorations without departing from the principle of the utility model, these improvements and decorations should also be considered as the protection scope of the utility model.

Claims

1. A new type of connection structure between a gate plate and a valve stem, comprising a gate plate (1) and a valve stem, characterized in that: The gate plate (1) is provided with a through hole (101) at the upper end, and the through hole (101) is in an inverted T shape. The valve stem includes a rod portion (4) and a connecting portion (2). Both sides of the connecting portion (2) are provided with embedded grooves (201). The connecting portion (2) is clamped in the through hole (101) and matches the through hole (101). The valve stem outer sleeve is provided with a fixing sleeve (3). Both sides of the lower end of the fixing sleeve (3) are provided with clamping grooves (301) at positions corresponding to the gate plate (1). The gate plate (1) is clamped in the corresponding clamping grooves (301). The fixing sleeve (3) is located on the outside of the connecting portion (2) and is fixedly connected to the connecting portion (2).

2. A novel connection structure between a gate plate (1) and a valve stem according to claim 1, characterized in that: The rod portion (4) and the connecting portion (2) are an integrated structure.

3. A novel connection structure between a gate plate (1) and a valve stem according to claim 2, characterized in that: The connecting portion (2) is provided with a threaded hole 1 (202), and the fixing sleeve (3) is provided with a threaded hole 2 (302) at a position corresponding to the threaded hole 1 (202). The connecting portion (2) and the fixing sleeve (3) are fixedly connected by screws.

Citation Information

Patent Citations

  • Gate

    CN203463702U