Valve seat spring press-in assembly device

Abstract

The utility model discloses a valve seat spring press-in assembling device which comprises a support, an air cylinder and an extrusion block, the air cylinder is arranged on the support, the extrusion block is arranged on a cylinder rod of the air cylinder, the extrusion block is made of polyurethane materials, an extrusion plane is arranged on the extrusion block, and the extrusion plane is provided with a plurality of grooves. The extrusion plane and the cylinder rod are located at the two ends of the extrusion block respectively, and the outer wall face of the extrusion block is cylindrical. Compared with the prior art, the device has the following beneficial effects that through the adoption of the air cylinder and the cylindrical extrusion block with the extrusion plane, the extrusion assembly operation of the valve body and the valve block is realized, the operation efficiency is high, and the irregular deformation of the spring in the assembly process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of assembly facilities, especially a valve seat spring press -in assembly device. BACKGROUND

[0002] Valve seat and spring are two very important parts on the valve, and the valve seat is usually assembled with the spring Figure 1 The assembly relationship between the valve seat and the spring is shown, the ring-shaped clamping spring (1) is clamped on the annular groove of the valve seat (2), and when assembling, the valve seat with the structure needs to be assembled into the valve body with the inner wall being substantially cylindrical, wherein the spring makes the valve seat and the valve body in a taut state, and since the spring (the structure of the spring can be referred to in the accompanying drawings) has protrusions along the outer periphery, the current assembly method is to first clamp the spring on the valve seat, and then insert the valve seat into the valve body, and for the protrusions along the outer periphery of the spring, a workpiece such as a screwdriver is used to extrude the inner recess and then extrude into the valve body. Figure 2 The extrusion method by means of the screwdriver is not only low in efficiency, but also prone to cause irregular deformation of the spring in the extrusion process, and the reliability is reduced. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a valve seat spring press -in assembly device for the above problems.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A valve seat spring press -in assembly device, including support, cylinder and extruding block, the cylinder is arranged on the support, the extruding block is arranged on the cylinder rod of the cylinder, the extruding block is the extruding block of polyurethane material, the extruding block is provided with extruding plane, the extruding plane and the cylinder rod are respectively located at both ends of the extruding block, and the outer wall surface of the extruding block is cylindrical.

[0006] The use method of the assembly device is as follows: first, the clamping spring sleeve is clamped on the annular groove of the valve seat, the valve body is placed below the extruding block, then the valve seat (together with the spring) is placed at the orifice of the valve body, and then the cylinder drives the extruding block to move towards the valve seat, the extruding block starts to extrude the valve seat, the extruding plane of the extruding block starts to extrude the valve seat and moves in the through hole of the valve body, and when the valve seat reaches the designated position, the extrusion of the valve seat is stopped.

[0007] In the device, since the spring has an opening, the spring will adaptively contract on the valve body at the moment when the extruding block starts to extrude into the valve body, so that the valve seat (together with the spring) can smoothly slide into the hole of the valve body.

[0008] In the assembly device, the outer wall surface of the extruding block is cylindrical, which can stably adhere to the hole wall of the valve body, so that the valve block can be stably extruded into the valve body.

[0009] In summary, the device realizes the extrusion assembly operation of the valve body and the valve block by adopting the cylinder and the cylindrical extrusion block with the extrusion plane, has high operation efficiency, and the spring will not be irregularly deformed during the assembly process.

[0010] Optionally, the device further comprises a filter and a three-way valve, the three-way valve is connected with the cylinder through a pipeline, and the filter is connected with the three-way valve through a pipeline.

[0011] The three-way valve controls the operation of the cylinder, and the filter filters impurities in the gas entering the cylinder.

[0012] Optionally, the filter is a pressure regulating filter.

[0013] The pressure regulating filter is adopted so as to adjust the pressure of the gas as required.

[0014] Optionally, the three-way valve is connected with a silencer.

[0015] The silencer is connected with the three-way valve so as to reduce the noise of the three-way valve when controlling the operation of the cylinder.

[0016] Optionally, the cylinder rod is a cylindrical lever.

[0017] Optionally, the central axis of the cylinder rod is coincident with the central axis of the extrusion block.

[0018] Optionally, the two ends of the bracket are provided with auxiliary fixing plates, and all the auxiliary fixing plates are located on the same plane.

[0019] The auxiliary fixing plate fixes the entire bracket at a position to be fixed.

[0020] Optionally, the cylinder rod is perpendicular to the auxiliary fixing plate.

[0021] The beneficial effects of the device are as follows: the device realizes the extrusion assembly operation of the valve body and the valve block by adopting the cylinder and the cylindrical extrusion block with the extrusion plane, has high operation efficiency, and the spring will not be irregularly deformed during the assembly process. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0023] Figure 1 is a schematic view of the cooperation relationship between the valve seat and the spring;

[0024] Figure 2 is a schematic diagram of the spring;

[0025] Figure 3 is a schematic diagram of the structure of the valve seat spring press-fitting device;

[0026] Figure 4 is a schematic diagram of the state of the valve seat spring press-fitting device during operation;

[0027] Figure 5 is a schematic diagram of the state of the extrusion block during extrusion of the valve seat.

[0028] The various reference numerals in the drawings are as follows: 1, spring; 2, valve seat; 3, cylinder; 301, cylinder rod; 4, three-way valve; 5, filter; 6, bracket; 601, auxiliary fixing plate; 7, extrusion block; 701, extrusion plane. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0030] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details given herein, that the present application can be practiced with other than the described techniques, and that the present application can use other techniques and structures similar to those described herein. Thus, the present application is not intended to be limited to the particular implementations described.

[0031] In the description of the present application, it should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to scale. Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered part of the authorized description. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limiting. Thus, other examples of the exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and thus, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0032] As shown in the drawings Figure 1 As shown in the drawings Figure 5As shown, a valve seat spring press-fitting device includes a bracket 6, a cylinder 3 and an extrusion block 7, the cylinder 3 is arranged on the bracket 6, the extrusion block 7 is arranged on the cylinder rod 301 of the cylinder 3, the extrusion block 7 is a polyurethane extrusion block 7, the extrusion block 7 is provided with an extrusion plane 701, the extrusion plane 701 is located at both ends of the extrusion block 7 respectively with the cylinder rod 301, and the outer wall surface of the extrusion block 7 is in a cylindrical shape.

[0033] The use method of the device is as follows: first, the clamp spring 1 is clamped on the annular groove of the valve seat 2, the valve body is arranged below the extrusion block 7, then the valve seat 2 (together with the spring 1) is placed at the orifice of the valve body, then the cylinder 3 drives the extrusion block 7 to move towards the valve seat 2, the extrusion block 7 starts to extrude the valve seat 2, the extrusion plane 701 of the extrusion block 7 starts to extrude the valve seat 2 to move in the through hole of the valve body, and when the valve seat 2 reaches the designated position, the extrusion of the valve seat 2 is stopped.

[0034] In the device, since the spring 1 has an opening, when the extrusion block 7 just starts to extrude into the valve body, the spring 1 will adaptively shrink on the valve body, thereby ensuring that the valve seat 2 (together with the spring 1) can smoothly slide into the hole of the valve body, and when the spring 1 completely slides into the hole of the valve body, the valve seat 2 can slide in the hole of the valve body.

[0035] In the device, the outer wall surface of the extrusion block 7 in a cylindrical shape can stably adhere to the hole wall of the valve body, thereby ensuring that the valve block is stably extruded into the valve body.

[0036] In summary, by adopting the cylinder 3 and the cylindrical extrusion block 7 with the extrusion plane 701, the device realizes the extrusion assembly operation of the valve body and the valve block, has high operation efficiency, and the spring 1 will not deform irregularly during the assembly process.

[0037] As shown in the accompanying drawings, Figure 1 As shown in the accompanying drawings, Figure 5 As shown, the device further includes a filter 5 and a three-way valve 4, the three-way valve 4 is connected with the cylinder 3 through a pipeline, and the filter 5 is connected with the three-way valve 4 through a pipeline.

[0038] The three-way valve 4 controls the operation of the cylinder 3, and the filter 5 filters impurities in the gas entering the cylinder 3.

[0039] As shown in the accompanying drawings, Figure 1 As shown in the accompanying drawings, Figure 5 As shown, the filter 5 is a pressure regulating filter 5.

[0040] The pressure regulating filter 5 is adopted to adjust the pressure of the gas as needed.

[0041] As shown in the accompanying drawings, Figure 1 As shown in the accompanying drawings, Figure 5 As shown, the three-way valve 4 is connected with a silencer.

[0042] The muffler is connected to the three-way valve 4 to reduce the noise of the three-way valve 4 when it controls the operation of the cylinder 3.

[0043] As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever. Figure 1 As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever. Figure 5 As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever.

[0044] As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever. Figure 1 As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever. Figure 5 As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever.

[0045] As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever. Figure 1 As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever. Figure 5 As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever. As shown in the accompanying drawings, the cylinder rod 301 is a cylindrical lever.

[0046] The auxiliary fixing plate 601 is used to fix the whole bracket 6 at a desired position.

[0047] The above-mentioned embodiments only express some embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be noted that for those skilled in the art, the technical solutions recorded in the above-mentioned embodiments can still be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A valve seat spring press-in assembly device characterized by, The utility model provides an extrusion device, including support, cylinder and extrusion block, cylinder is located on support, extrusion block is located on the cylinder rod of cylinder, extrusion block is the extrusion block of polyurethane material, be provided with extrusion plane on extrusion block, extrusion plane and cylinder rod are located at both ends of extrusion block respectively, the outer wall surface of extrusion block is cylindrical.

2. A valve seat spring press fitting device according to claim 1, wherein Also include filter and three -way valve, three -way valve is connected with cylinder through pipeline, filter is connected with three -way valve through pipeline.

3. A valve seat spring press fitting device according to claim 2, wherein The filter is a pressure regulating filter.

4. A valve seat spring press fitting device according to claim 2, wherein The three-way valve is connected with a silencer.

5. A valve seat spring press fitting device according to claim 1, wherein The cylinder rod is a cylindrical lever.

6. A valve seat spring press fitting device according to claim 1, wherein The central axis of the cylinder rod coincides with the central axis of the extrusion block.

7. A valve seat spring press fitting device according to claim 1, wherein Both ends of the support are provided with auxiliary fixing plates, and all the auxiliary fixing plates are located on the same plane.

8. A valve seat spring press fitting device according to claim 7, wherein The cylinder rod is perpendicular to the auxiliary fixing plates.

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