Valve body combination connecting flange

Abstract

The utility model discloses a valve body combination connecting flange, and relates to the technical field of valve connecting equipment. The valve body combination connecting flange comprises a communicating pipe and further comprises two connecting assemblies, the two connecting assemblies are rotationally installed at the two ends of the communicating pipe respectively, and the connecting assemblies are used for being externally connected with a valve body; the two connecting assemblies are arranged in the middle of an inner cavity of the communicating pipe, the sealing assembly is arranged in the middle of the inner cavity of the communicating pipe, the two ends of the sealing assembly are connected with the two connecting assemblies respectively, and the sealing assembly is used for enhancing the sealing performance of the connecting assemblies installed on the communicating pipe. The connecting flange is simple in structure and convenient to use, the sealing performance of connection of the connecting flange and the connecting flange can be conveniently guaranteed, when two valve bodies of other models need to be combined and connected, workers can rotate the corresponding connecting assemblies according to requirements, and the using convenience and flexibility of the connecting flange are improved.

Description

Technical Field

[0001] The utility model relates to the field of valve connection equipment technology, in particular to a valve body combined connection flange. Background Art

[0002] The valve body is an important component of the valve. It is the main structure used to control the flow of the medium. The valve body is usually made of casting or forging. The material can be cast iron, ductile iron, stainless steel, carbon steel, etc. The main function of the valve body is to provide medium inlet and outlet and connect other components of the valve, such as the valve cover, valve seat, etc. It bears the pressure and temperature of the medium and needs to have good sealing, strength and corrosion resistance during operation. However, the valve body combination connection flange refers to a device that connects multiple valve bodies into a whole.

[0003] However, when using the existing valve body combination connecting flange, it is often inconvenient to connect valve bodies of different models together, thereby reducing the convenience and flexibility of connecting multiple valve bodies. Therefore, we propose a valve body combination connecting flange to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a valve body combined connecting flange, which solves the problem that it is often inconvenient to connect valve bodies of different models together, thereby reducing the convenience and flexibility of connecting multiple valve bodies.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a valve body combined connecting flange, including a connecting pipe, and also including:

[0006] A connecting assembly, wherein two connecting assemblies are provided, and the two connecting assemblies are rotatably mounted on both ends of the connecting pipe respectively, and the connecting assembly is used for externally connecting the valve body;

[0007] A sealing component, the sealing component is arranged in the middle of the inner cavity of the connecting pipe, and the two ends of the sealing component are respectively connected to the two connecting components, and the sealing component is used to enhance the sealing performance of the connecting component installed on the connecting pipe;

[0008] An internal threaded hole, the internal threaded hole is opened at the center of the top of the inner cavity of the connecting pipe, and the inner cavity of the internal threaded hole is connected to the middle of the sealing component, and the internal threaded hole is used to install and fix the sealing component;

[0009] A limit strip is arranged in the middle of the connecting pipe, the limit strip is plug-connected with the outer wall of the sealing component, and the limit strip is used to snap-connect the sealing component.

[0010] Preferably, a plurality of the limiting bars are provided, and the plurality of limiting bars are distributed in a ring array.

[0011] Preferably, the connecting assembly comprises a flange ring, an externally threaded pipe is fixedly provided in the middle of one side wall of the flange ring, and the outer wall of the externally threaded pipe is rotatably connected to the inner cavity of the connecting pipe.

[0012] Preferably, the sealing assembly comprises a guide tube, a stepped hole is provided at the center of the top surface of the inner cavity of the guide tube, a positioning screw is inserted into the inner cavity of the stepped hole, and the top end of the positioning screw is rotatably connected to the inner cavity of the internal threaded hole;

[0013] Annular grooves are provided at both ends of the flow guide tube and located on the inner wall, and sealing rubber rings are provided in the inner cavities of the two annular grooves;

[0014] A limiting slot for inserting the limiting strip is provided at one end of the outer wall of the guide tube.

[0015] Preferably, the right-view shape of the limiting strip is the same as the right-view shape of the limiting slot, and the two are plug-connected.

[0016] Preferably, it also includes a reinforcing rib ring, a plurality of which are provided, and the plurality of reinforcing rib rings are arranged on the outer wall surface of the connecting pipe, and the reinforcing rib ring is used to strengthen the structural strength of the connecting pipe.

[0017] Preferably, it also includes an indicator sticker, which is adhered to the middle part of the outer wall of the connecting pipe and is used to indicate the plugging direction of the sealing component.

[0018] Beneficial Effects

[0019] The utility model provides a valve body combined connecting flange. Compared with the prior art, it has the following beneficial effects:

[0020] The valve body combination connecting flange, when the valve body needs to be combined and connected, the staff first selects two appropriate connecting components according to the models of the two valve bodies, and then inserts one end of the sealing component from one end of the connecting pipe, and enables the limit bar to limit the engagement of the sealing component, and then the sealing component can be matched with the internal threaded hole, so that it can be fixed in the middle of the inner cavity of the connecting pipe, thereby improving the stability of the use of the sealing component, and then the staff rotates and installs the two selected connecting components on the two ends of the connecting pipe respectively, and enables the two connecting components to rest against the two ends of the sealing component, thereby strengthening the sealing of the connection between the connecting pipe and the two connecting components, and preventing liquid leakage during liquid transportation, and when it is necessary to connect two valve bodies of other models, the staff can rotate the corresponding connecting component according to the needs, thereby improving the convenience and flexibility of using the connecting flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the connecting pipe of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the connection assembly of the utility model;

[0025] Figure 5 This is a schematic diagram of the explosion structure of the sealing component plate of the utility model.

[0026] In the figure: 1. connecting pipe; 2. connecting assembly; 21. flange ring; 22. external threaded pipe; 3. sealing assembly; 31. guide pipe; 32. stepped hole; 33. positioning screw; 34. annular groove; 35. sealing rubber ring; 36. limiting slot; 4. internal threaded hole; 5. limiting strip; 6. reinforcing rib ring; 7. indicator sticker. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-3 The utility model provides a technical solution: a valve body combined connecting flange, including a connecting pipe 1, and also including: a connecting assembly 2, two connecting assemblies 2 are provided, and the two connecting assemblies 2 are respectively rotatably installed at the two ends of the connecting pipe 1, and the connecting assembly 2 is used to connect the valve body externally; a sealing assembly 3, the sealing assembly 3 is arranged in the middle of the inner cavity of the connecting pipe 1, and the two ends of the sealing assembly 3 are respectively connected to the two connecting assemblies 2, and the sealing assembly 3 is used to enhance the sealing performance of the connecting assembly 2 installed on the connecting pipe 1; an internal threaded hole 4, the internal threaded hole 4 is opened at the center of the top of the inner cavity of the connecting pipe 1, and the inner cavity of the internal threaded hole 4 is connected to the middle of the sealing assembly 3, and the internal threaded hole 4 is used to install and fix the sealing assembly 3; a limiting strip 5, the limiting strip 5 is arranged in the middle of the inner cavity of the connecting pipe 1, the limiting strip 5 is plug-connected with the outer wall of the sealing assembly 3, and the limiting strip 5 is used to snap-connect the sealing assembly 3;

[0029] When it is necessary to combine and connect the valve bodies, the staff first selects two appropriate connecting components 2 according to the models of the two valve bodies, and then inserts one end of the sealing component 3 from one end of the connecting pipe 1, and enables the limit strip 5 to engage and limit the sealing component 3, and then the sealing component 3 can be matched with the internal threaded hole 4, so that it can be fixed in the middle of the inner cavity of the connecting pipe 1, thereby improving the stability of the use of the sealing component 3, and then the staff rotates and installs the two selected connecting components 2 on the two ends of the connecting pipe 1 respectively, and enables the two connecting components 2 to abut against the two ends of the sealing component 3, thereby strengthening the sealing of the connection between the connecting pipe 1 and the two connecting components 2, and preventing liquid leakage during liquid transportation, and when it is necessary to combine and connect two valve bodies of other models, the staff can rotate the corresponding connecting component 2 according to the needs, thereby improving the convenience and flexibility of using the connecting flange.

[0030] See also Figure 2 , Figure 3 A plurality of limit strips 5 are provided, and the plurality of limit strips 5 are distributed in a ring array, so that the plurality of limit strips 5 can be engaged with the sealing assembly 3 stably and firmly.

[0031] See also Figure 2 , Figure 4 The connecting assembly 2 includes a flange ring 21, an external threaded tube 22 is fixedly arranged in the middle of one side wall of the flange ring 21, and the outer wall of the external threaded tube 22 is rotatably connected to the inner cavity of the connecting tube 1;

[0032] Through the flange ring 21 in the connecting component 2, it can be connected to the external valve body and installed on the external threaded pipe 22. Then, by rotating the external threaded pipe 22, it can be rotated and installed at one end of the inner cavity of the connecting pipe 1, and one end of it can be pressed against one end of the sealing component 3, thereby improving the sealing performance of the external threaded pipe 22 installed on the connecting pipe 1.

[0033] See also Figure 2 , Figure 3 and Figure 5 The sealing assembly 3 includes a guide tube 31, a stepped hole 32 is provided at the center of the top surface of the inner cavity of the guide tube 31, and a positioning screw 33 is inserted into the inner cavity of the stepped hole 32, and the top of the positioning screw 33 is rotatably connected to the inner cavity of the internal threaded hole 4; annular grooves 34 are provided at both ends of the guide tube 31 and located at the inner wall position, and the inner cavities of the two annular grooves 34 are both provided with sealing rubber rings 35; a limiting slot 36 for inserting the limiting strip 5 is provided at one end of the outer wall of the guide tube 31, and the right view shape of the limiting strip 5 is the same as the right view shape of the limiting slot 36, and the two are plugged and connected;

[0034] The guide tube 31 in the sealing assembly 3 can be installed in the inner cavity of the connecting tube 1, and can provide space for the stepped hole 32, the two annular grooves 34 and the multiple limiting slots 36. Then, the positioning screw 33 can be installed through the stepped hole 32, and by rotating the positioning screw 33, the top end of the screw can be rotated and installed in the inner cavity of the internal threaded hole 4, thereby fixing the guide tube 31 in the inner cavity of the connecting tube 1. The sealing rubber rings 35 can be installed respectively through the two annular grooves 34, thereby improving the sealing effect of one end of the external threaded tube 22 against one end of the guide tube 31. At the same time, through the multiple limiting slots 36, the corresponding limiting strips 5 can be matched, thereby further enhancing the stability of the guide tube 31 installed in the connecting tube 1 and preventing the connecting tube 1 from shaking.

[0035] See also Figure 1 , Figure 2 , and also includes a reinforcing rib ring 6, a plurality of reinforcing rib rings 6 are provided, and a plurality of reinforcing rib rings 6 are arranged on the outer wall surface of the connecting pipe 1. The structural strength of the connecting pipe 1 can be strengthened by the reinforcing rib rings 6, thereby increasing the service life of the reinforcing rib rings 6.

[0036] See also Figure 1 , and also includes an indicator sticker 7, which is bonded to the middle part of the outer wall of the connecting pipe 1. Through the indicator sticker 7, the sealing component 3 can be guided to be inserted from one end of the inner cavity of the connecting pipe 1, thereby facilitating the staff to install the sealing component 3.

[0037] During operation, when the valve bodies need to be combined and connected, the staff first selects two appropriate connecting components 2 according to the models of the two valve bodies, and then inserts one end of the sealing component 3 from one end of the connecting pipe 1, and enables the limit strip 5 to engage and limit the sealing component 3, and then the sealing component 3 can be matched with the internal threaded hole 4, so that it can be fixed in the middle of the inner cavity of the connecting pipe 1, thereby improving the stability of the use of the sealing component 3, and then the staff rotates and installs the two selected connecting components 2 on the two ends of the connecting pipe 1 respectively, and enables the two connecting components 2 to abut against the two ends of the sealing component 3, thereby strengthening the sealing of the connection between the connecting pipe 1 and the two connecting components 2, and preventing liquid leakage during liquid transportation, and when it is necessary to combine and connect two valve bodies of other models, the staff can rotate the corresponding connecting component 2 according to needs, thereby improving the convenience and flexibility of using the connecting flange.

[0038] Through the flange ring 21 in the connecting component 2, it can be connected to the external valve body and installed on the external threaded pipe 22. Then, by rotating the external threaded pipe 22, it can be rotated and installed at one end of the inner cavity of the connecting pipe 1, and one end of it can be pressed against one end of the sealing component 3, thereby improving the sealing performance of the external threaded pipe 22 installed on the connecting pipe 1.

[0039] The guide tube 31 in the sealing assembly 3 can be installed in the inner cavity of the connecting tube 1, and can provide space for the stepped hole 32, the two annular grooves 34 and the multiple limiting slots 36. Then, the positioning screw 33 can be installed through the stepped hole 32, and by rotating the positioning screw 33, the top end of the screw can be rotated and installed in the inner cavity of the internal threaded hole 4, thereby fixing the guide tube 31 in the inner cavity of the connecting tube 1. The sealing rubber rings 35 can be installed respectively through the two annular grooves 34, thereby improving the sealing effect of one end of the external threaded tube 22 against one end of the guide tube 31. At the same time, through the multiple limiting slots 36, the corresponding limiting strips 5 can be matched, thereby further enhancing the stability of the guide tube 31 installed in the connecting tube 1 and preventing the connecting tube 1 from shaking.

[0040] The reinforcing rib ring 6 can strengthen the structural strength of the connecting pipe 1, thereby increasing the service life of the reinforcing rib ring 6. The indicator sticker 7 can guide the sealing component 3 to be inserted from one end of the inner cavity of the connecting pipe 1, thereby facilitating the installation of the sealing component 3 by the staff.

[0041] In summary, the device can not only combine and connect two valve bodies, but also conveniently ensure the sealing of the connection between the two. When it is necessary to combine and connect two valve bodies of other models, the staff can rotate the corresponding connecting component 2 according to the needs, thereby improving the convenience and flexibility of using the connecting flange.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A valve body combined connecting flange, comprising a connecting pipe (1), characterized in that: Also includes: A connecting assembly (2), wherein two connecting assemblies (2) are provided, and the two connecting assemblies (2) are rotatably mounted on two ends of the connecting pipe (1) respectively, and the connecting assembly (2) is used for externally connecting to a valve body; A sealing component (3), the sealing component (3) being arranged in the middle of the inner cavity of the connecting pipe (1), and the two ends of the sealing component (3) being respectively connected to the two connecting components (2), the sealing component (3) being used to enhance the sealing performance of the connecting component (2) when it is installed on the connecting pipe (1); An internal threaded hole (4), the internal threaded hole (4) being opened at the center position of the top of the inner cavity of the connecting pipe (1), and the inner cavity of the internal threaded hole (4) being connected to the middle of the sealing component (3), and the internal threaded hole (4) being used for installing and fixing the sealing component (3); A limit strip (5), the limit strip (5) being arranged in the middle of the interior of the connecting pipe (1), the limit strip (5) being plug-connected to the outer wall of the sealing component (3), and the limit strip (5) being used to snap-fit ​​and connect the sealing component (3).

2. A valve body combined connecting flange according to claim 1, characterized in that: A plurality of the limiting strips (5) are provided, and the plurality of limiting strips (5) are distributed in a ring array.

3. The valve body combined connecting flange according to claim 1, characterized in that: The connecting assembly (2) comprises a flange ring (21), an externally threaded tube (22) is fixedly arranged in the middle of one side wall of the flange ring (21), and the outer wall of the externally threaded tube (22) is rotatably connected to the inner cavity of the connecting tube (1).

4. The valve body combined connecting flange according to claim 1, characterized in that: The sealing assembly (3) comprises a flow guide tube (31), a stepped hole (32) is provided at the center of the top surface of the inner cavity of the flow guide tube (31), and a positioning screw (33) is inserted into the inner cavity of the stepped hole (32), and the top end of the positioning screw (33) is rotatably connected to the inner cavity of the internal threaded hole (4); Annular grooves (34) are provided at both ends of the flow guide tube (31) and located on the inner wall thereof, and sealing rubber rings (35) are provided in the inner cavities of the two annular grooves (34); A limiting slot (36) for inserting the limiting strip (5) is provided at one end of the outer wall of the flow guide tube (31).

5. A valve body combined connecting flange according to claim 4, characterized in that: The right-side view shape of the limiting strip (5) is the same as the right-side view shape of the limiting slot (36), and the two are plug-connected.

6. The valve body combined connecting flange according to claim 1, characterized in that: It also comprises a reinforcing rib ring (6), a plurality of the reinforcing rib rings (6) are provided, and the plurality of the reinforcing rib rings (6) are arranged on the outer wall surface of the connecting pipe (1), and the reinforcing rib rings (6) are used to strengthen the structural strength of the connecting pipe (1).

7. The valve body combined connecting flange according to claim 1, characterized in that: It also comprises an indicator sticker (7), the indicator sticker (7) being bonded to the middle portion of the outer wall of the connecting pipe (1), the indicator sticker (7) being used to indicate the plugging direction of the sealing assembly (3).

Images