Improved valve rubber

Abstract

The utility model discloses an improved valve rubber sheet, which comprises a rubber seat and a rubber ring, the rubber ring is designed right above the rubber seat, the lower end of the rubber ring is fixedly connected with two positioning rods, the lower ends of the two positioning rods are respectively provided with a positioning device in a penetrating manner, and the rubber ring is arranged on the rubber seat. And two positioning grooves are formed in the positions, at the corresponding positions, of the side wall of the rubber base in a penetrating mode, the positions of the two positioning rods correspond to the positions of the two positioning grooves correspondingly, and connecting devices are fixedly connected to the inner walls of the two positioning grooves correspondingly. The rubber connecting device has the advantage that operators can conveniently position and connect the rubber.

Description

Technical Field

[0001] This utility model relates to the field of valve rubber technology, specifically to an improved type of valve rubber. Background Technology

[0002] Valve rubber, also known as valve rubber or valve sealant, is a type of sealing component with polyurethane as its core material. It is mainly used for sealing hydraulic valves in petroleum, drilling, and other equipment. The main materials are polyurethane (divided into two categories: thermoplastic polyurethane and cast polyurethane) and additives. It can resist corrosion from petroleum, acids, alkalis, and other chemicals, and can meet the dynamic sealing requirements of valves that are frequently opened and closed. It can maintain structural integrity in high-pressure and high-friction environments. It is mainly used in the petroleum industry, such as for valve sealing in drilling mud pumps, fracturing trucks / cement trucks, plunger pumps, or chemical and mining equipment, replacing traditional rubber parts. Valve rubber is a key sealing component in petroleum equipment, and its performance depends on the oil resistance, wear resistance, and resilience of polyurethane materials.

[0003] In the existing technology, the valve rubber not only needs to ensure the sealing of the valve in actual use, but also needs to ensure the connection stability between its rubber seat and rubber ring, and reduce the oil leakage phenomenon in the joint gap. Therefore, we propose an improved valve rubber. Utility Model Content

[0004] The purpose of this invention is to provide an improved type of valve rubber to solve the problems existing in the prior art as described in the background section.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An improved valve rubber includes a rubber base and a rubber ring. The rubber ring is designed directly above the rubber base. Two positioning rods are fixedly connected to the lower end of the rubber ring. A positioning device is provided through the lower end of each of the two positioning rods. Two positioning grooves are provided through the side wall of the rubber base at corresponding positions. The positions of the two positioning rods correspond to the positions of the two positioning grooves. A connecting device is fixedly connected to the inner wall of each of the two positioning grooves.

[0007] Preferably, the positioning device includes a connecting groove that extends through the lower end of the positioning rod, a positioning post that is fixedly connected in the connecting groove, and a threaded groove that extends through the lower end of the positioning post.

[0008] Preferably, the connecting device includes a connecting seat fixedly connected to the inner wall of the positioning groove, and a positioning screw is threaded through the connecting seat, with the tail end of the positioning screw threaded into the threaded groove at the corresponding position.

[0009] Preferably, a sealing ring is fixedly connected to the side wall of each of the two positioning rods.

[0010] Preferably, the heads of both positioning screws are completely hidden within the positioning groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this invention, a positioning device and a connecting device are set up to cooperate with each other. An additional positioning rod is designed between the rubber ring and the rubber seat. The positioning rod, together with the positioning groove and the corresponding sealing ring, can ensure the sealing of the connection between the rubber ring and the rubber seat. At the same time, the positioning rod and the positioning groove are further connected by a positioning screw, which ensures the stability of the connection and avoids frictional separation between the rubber ring and the rubber seat. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of an improved valve rubber sheet proposed in this utility model;

[0014] Figure 2 This is a schematic diagram of an improved valve seat structure proposed in this utility model.

[0015] Figure 3 This is a schematic diagram of the rubber ring structure of an improved valve rubber sheet proposed in this utility model.

[0016] In the diagram: 1. Glue seat, 2. Positioning rod, 3. Glue ring, 4. Positioning groove, 5. Connecting seat, 6. Positioning screw, 7. Sealing ring, 8. Positioning post. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Reference Figure 1-3An improved valve rubber includes a rubber base 1 and a rubber ring 3. The rubber base 1 is made of high-quality rubber material, which has good wear resistance and sealing performance. The rubber ring 3 is designed directly above the rubber base 1, and the diameter of the rubber ring 3 is slightly larger than that of the rubber base 1 to ensure better sealing effect. Two positioning rods 2 are fixedly connected to the lower end of the rubber ring 3. The positioning rods 2 are made of stainless steel, which has high strength and corrosion resistance. A positioning device is provided through the lower end of each positioning rod 2. The positioning device can realize the precise positioning and reliable fixation of the rubber ring and the rubber base. The positioning device includes a connecting groove that is provided through the lower end of the positioning rod 2. The connecting groove is precision machined to ensure perfect fit with the positioning post 8. The positioning post 8 is fixedly connected in the connecting groove. The surface of the positioning post 8 is coated with a wear-resistant coating to extend its service life. A threaded groove is provided through the lower end of the positioning post 8.

[0019] Two positioning grooves 4 are provided through the side wall of the rubber seat 1 at the corresponding position. The size of the positioning grooves 4 is precisely calculated to form a tight fit with the positioning rods 2. The positions of the two positioning rods 2 correspond to the positions of the two positioning grooves 4 respectively. This symmetrical arrangement can ensure uniform force and stability. The inner walls of the two positioning grooves 4 are fixedly connected with connecting devices. The setting of connecting devices greatly simplifies the installation and disassembly process. The connecting device includes a connecting seat 5 fixedly connected to the inner wall of the positioning groove 4. The connecting seat 5 is made of aluminum alloy, which has both lightweight and high strength characteristics. The connecting seat 5 is threaded with a positioning screw 6. The surface of the positioning screw 6 is specially treated to prevent loosening during use. The tail end of the positioning screw 6 is threaded into the threaded groove at the corresponding position.

[0020] Specifically, sealing rings 7 are fixedly connected to the side walls of the two positioning rods 2. The sealing rings 7 are made of oil-resistant and high-temperature resistant fluororubber material, which can adapt to various working conditions. The heads of the two positioning screws 6 are completely hidden in the positioning grooves 4. This design not only ensures the overall appearance, but also avoids the safety hazards caused by exposed screws.

[0021] In this utility model, the operator assembles the rubber ring 3 with the rubber seat 1, and inserts the two positioning rods 2 into the two positioning grooves 4 respectively. The sealing rings 7 on the side walls of the two positioning rods 2, together with the positioning grooves 4, can play a sealing role and also enhance the friction. After the positioning rods 2 are fully inserted, the positioning screws 6 in the rubber seat 1 can be rotated so that their tail ends are screwed into the threaded grooves on the positioning pins 8 at the lower end of the positioning rods 2 to complete the overall assembly. The positioning rods 2, together with the positioning screws, play a role in strengthening the overall strength of the rubber seat 1 and the rubber ring 3.

[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An improved type of valve rubber, comprising a rubber base (1) and a rubber ring (3), characterized in that, The rubber ring (3) is designed directly above the rubber base (1). Two positioning rods (2) are fixedly connected to the lower end of the rubber ring (3). A positioning device is provided through the lower end of each of the two positioning rods (2). Two positioning grooves (4) are provided through the side wall of the rubber base (1) at the corresponding positions. The positions of the two positioning rods (2) correspond to the positions of the two positioning grooves (4). A connecting device is fixedly connected to the inner wall of each of the two positioning grooves (4).

2. The improved valve rubber according to claim 1, characterized in that, The positioning device includes a connecting groove that runs through the lower end of the positioning rod (2), and a positioning post (8) is fixedly connected in the connecting groove. A threaded groove is provided through the lower end of the positioning post (8).

3. The improved valve rubber according to claim 1, characterized in that, The connecting device includes a connecting seat (5) fixedly connected to the inner wall of the positioning groove (4), and a positioning screw (6) is threaded through the connecting seat (5). The tail end of the positioning screw (6) is threaded into the threaded groove at the corresponding position.

4. The improved valve rubber according to claim 1, characterized in that, A sealing ring (7) is fixedly connected to the side wall of each of the two positioning rods (2).

5. An improved valve rubber according to claim 3, characterized in that, The heads of both positioning screws (6) are completely hidden in the positioning grooves (4).

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