Valve seat assembling tool

Abstract

The utility model discloses a valve seat assembling tool, and relates to the field of valve seat assembling. The valve seat assembling tool comprises a screw rod piece, an adjusting assembly and a guide panel. The adjusting assembly comprises an adjusting seat, a fixing seat and at least two adjusting components. Any adjusting component is provided with an adjusting end, a fixed end and a telescopic end. According to the utility model, through the screw-thread fit between the screw rod piece and the adjusting seat, the adjusting component converts the relative motion between the adjusting seat and the fixed seat into the telescopic motion of the telescopic end on the adjusting component, so that the telescopic end can drive the guide panel to expand outwards to be far away from the screw rod piece or contract to be close to the screw rod piece, thereby achieving the purpose of adjusting the position of the guide panel; therefore, valve seat assemblies with different drift diameters can be matched. The valve seat assembling tool is easy and convenient to operate, the screw rod piece and the adjusting seat are matched in a threaded mode, the use purpose of stepless adjustment can be achieved, the adjusting precision is good, and the assembling requirements of valve seat assemblies with various drift diameters can be well met.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve seat assembly field, concretely relates to a valve seat assembly frock. BACKGROUND

[0002] In the ball valve assembly process, the assembly between the valve seat assembly and the valve cover or the valve body is very important, and its efficient and lossless assembly is very crucial for the sealing performance of the valve and the production efficiency of the whole valve.

[0003] At present, the valve seat assembly of most ball valves is assembled by manual mode, which can meet the preliminary assembly steps, but for the valve seat assembly of the line sealing type lip seal, the assembly is more difficult, and manual assembly can easily cause the lip edge of the lip seal to be turned up and scrapped, thereby causing the loss of structural materials. Moreover, the size of the traditional guide frock is fixed, and one frock can only correspond to the assembly of a valve with a certain diameter, so a separate guide frock is needed for each valve specification in production, which is high in cost and not suitable for some non-standard valve diameters. SUMMARY

[0004] To solve the technical problems in the above background art, the utility model provides a valve seat assembly frock which can be infinitely adjusted and is suitable for various diameters, comprising:

[0005] a screw rod;

[0006] an adjusting assembly, comprising an adjusting seat, a fixed seat and at least two adjusting members, the adjusting seat and the fixed seat are arranged at intervals, one end of the screw rod is fixedly connected with the fixed seat, and the other end of the screw rod is threadedly connected with the adjusting seat, so that the adjusting seat moves towards or away from the fixed seat through the thread connection between the screw rod and the adjusting seat; any adjusting member has an adjusting end, a fixed end and an extension end, the adjusting end is rotationally arranged with the adjusting seat, the fixed end is rotationally arranged with the fixed seat, and the extension end is adapted to expand away from the screw rod or contract towards the screw rod when the adjusting seat and the fixed seat are close to or away from each other;

[0007] and a guide panel, the guide panel is arranged corresponding to the adjusting member, and the guide panel is rotationally arranged with the extension end.

[0008] As a preferred technical solution, the adjusting member comprises a first connecting rod and a second connecting rod, one end of the first connecting rod adjacent to the adjusting seat is arranged as the adjusting end, one end of the second connecting rod adjacent to the fixed seat is arranged as the fixed end, and one end of the first connecting rod and the second connecting rod respectively adjacent to the guide panel is arranged as the extension end.

[0009] As a preferred technical scheme, the adjusting assembly further comprises a connecting seat fixedly arranged on an end surface of the guide panel facing the screw rod, and the first connecting rod and the connecting seat are rotationally arranged, and the second connecting rod and the connecting seat are rotationally arranged.

[0010] As a preferred technical scheme, the first rotation axis of the first connecting rod and the connecting seat is arranged to be spaced apart from the second rotation axis of the second connecting rod and the connecting seat, or the first rotation axis of the first connecting rod and the connecting seat is arranged to be coaxial with the second rotation axis of the second connecting rod and the connecting seat, and / or

[0011] The length of the first connecting rod and the length of the second connecting rod are arranged to be equal.

[0012] As a preferred technical scheme, the adjusting assembly further comprises an elastic member, the elastic member is sleeved outside the screw rod, one end of the elastic member is fixedly connected with the adjusting seat, and one end of the elastic member is fixedly connected with the fixing seat.

[0013] As a preferred technical scheme, the guide panel comprises a guide portion and an extension portion fixedly connected, the guide portion is arranged to extend in a first direction, the extension portion is arranged to extend in a second direction away from the screw rod, the first direction and the second direction are arranged to be perpendicular, and an assembly cavity adapted to abut against the valve seat assembly is arranged at a joint of the guide portion and the extension portion.

[0014] As a preferred technical scheme, the valve seat assembly tool further comprises a counterweight, and the counterweight is arranged to abut against the extension portion.

[0015] As a preferred technical scheme, the counterweight comprises a counterweight body arranged in a rotary body structure, and a clearance cavity is arranged in the counterweight body.

[0016] As a preferred technical scheme, the adjusting member and the guide panel are arranged to be annularly distributed or centrally symmetrically distributed on the outer circumferential side of the screw rod, and the adjusting member and the guide panel are arranged to be four in number.

[0017] As a preferred technical scheme, the valve seat assembly tool further comprises a handle fixedly connected to one end of the screw rod away from the fixing seat.

[0018] The technical scheme provided by the utility model has the following advantages:

[0019] 1.The valve seat assembly tool provided by the utility model, which comprises a screw rod, an adjusting assembly and a guide panel, the adjusting assembly comprises an adjusting seat, a fixing seat and at least two adjusting members, the adjusting seat and the fixing seat are arranged at intervals, one end of the screw rod is fixedly connected with the fixing seat, and the other end of the screw rod is threadedly connected with the adjusting seat, the screw thread connection between the screw rod and the adjusting seat enables the adjusting seat to move towards or away from the fixing seat, any adjusting member has an adjusting end, a fixing end and an extension end, the adjusting end is rotationally arranged with the adjusting seat, the fixing end is rotationally arranged with the fixing seat, and the extension end is adapted to extend away from the screw rod or contract towards the screw rod when the adjusting seat and the fixing seat move towards or away from each other, the guide panel is arranged in correspondence with the adjusting member, and the guide panel is rotationally arranged with the extension end.

[0020] The valve seat assembly tool has the positioning basis for adjusting the valve seat, which is established by the screw rod, the two or more adjusting members and the guide panel, the screw thread connection between the screw rod and the adjusting seat enables the adjusting seat to move towards or away from the fixing seat, and the relative movement between the adjusting seat and the fixing seat is converted into the extension and contraction of the extension end of the adjusting member by the adjusting member, so that the extension end can drive the guide panel to extend away from the screw rod or contract towards the screw rod, thereby achieving the purpose of adjusting the position of the guide panel and matching the valve seat assembly with different sizes of the drift.

[0021] 2.The valve seat assembly tool provided by the utility model, wherein the adjusting assembly further comprises a connecting seat, the connecting seat is fixedly arranged on the end surface of the guide panel facing the screw rod, the first connecting rod is rotationally arranged with the connecting seat, and the second connecting rod is rotationally arranged with the connecting seat.

[0022] The valve seat assembly tool has the positioning basis for adjusting the valve seat, which is established by the screw rod, the two or more adjusting members and the guide panel, the screw thread connection between the screw rod and the adjusting seat enables the adjusting seat to move towards or away from the fixing seat, and the relative movement between the adjusting seat and the fixing seat is converted into the extension and contraction of the extension end of the adjusting member by the adjusting member, so that the extension end can drive the guide panel to extend away from the screw rod or contract towards the screw rod, thereby achieving the purpose of adjusting the position of the guide panel and matching the valve seat assembly with different sizes of the drift.

[0023] 3.The valve seat assembly tool provided by the utility model, wherein the adjusting assembly further comprises an elastic member, the elastic member is sleeved on the outer side of the screw rod, one end of the elastic member is fixedly connected with the adjusting seat, and the other end of the elastic member is fixedly connected with the fixing seat.

[0024] The valve seat assembly tooling device has the advantages that the elastic member is used to press and adjust the adjusting seat and the screw member, the locking ability between the adjusting seat and the screw member is enhanced, the telescopic end and the guide panel have good positioning ability, the adjusting precision of the outer side positioning of the tooling device is improved, the purpose of stepless adjustment is achieved, the tooling device can be expanded or contracted inwardly to adjust the screw member, different sizes of the passageway can be adapted, and the assembly precision of the tooling device matched with the passageway of the valve seat assembly is improved.

[0025] 4. The valve seat assembly tooling device provided by the utility model, the guide panel comprises a guide part and an extension part fixedly connected, the guide part is arranged to extend along a first direction, the extension part is arranged to extend towards a second direction away from the screw member, the first direction and the second direction are arranged perpendicularly, and the connecting part of the guide part and the extension part is arranged with an assembly cavity suitable for abutting against the valve seat assembly.

[0026] The valve seat assembly tooling device has the advantages that the first direction is arranged as the axial direction of the valve cover assembly channel, the outer wall surfaces of the plurality of guide parts are respectively abutted against and limited by the inner wall of the valve cover, so that the radial and circumferential positioning in the assembly stage is determined, the guide part is matched with the inner diameter of the valve seat assembly when the guide part is radially expanded, and the valve seat assembly is driven to be aligned to enter the assembly cavity, the second direction is arranged as the radial direction of the valve cover assembly channel, the plurality of extension parts are abutted against and limited by the valve assembly, so that the axial and radial positioning in the assembly stage is determined, the extension part can drive the valve seat assembly to be aligned to enter the assembly cavity when the extension part is axially displaced along with the guide panel, the valve seat assembly precision is improved, the assembly efficiency of the valve seat assembly is improved, the material loss and failure of the lip seal and other sealing structures are reduced, the scrap rate caused by the material loss and failure is reduced, the production cost is reduced, and the economic benefit is improved.

[0027] 5. The valve seat assembly tooling device provided by the utility model, the valve seat assembly tooling device further comprises a counterweight, and the counterweight and the extension part are abutted against each other.

[0028] The valve seat assembly tooling device has the advantages that the counterweight and the extension part are abutted against each other, the counterweight is loaded to the guide panel, the valve seat assembly is pressed between the guide panel and the valve cover, the axial load is established by using the counterweight, the valve seat assembly is aligned to the expected assembly area, and the assembly precision and effect are improved.

[0029] 6. The valve seat assembly tooling device provided by the utility model further comprises a handle, and the handle is fixedly connected to one end of the screw member away from the fixed seat.

[0030] The valve seat assembly tooling device has the advantages that the operation is simple, the user only needs to rotate the handle by applying force, the passageway required by the assembly tooling device can be adjusted, the guide panel is expanded and displaced, and the inner cavity assembly channel region of the valve cover is aligned. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0032] Figure 1 The structural schematic view of the valve seat assembly tool provided by the present application is shown in the figure.

[0033] Figure 2 The structural schematic view of the valve seat assembly tool provided by the present application is shown in the figure. Figure 1 The local enlarged view of A in the figure.

[0034] Figure 3 The local structural schematic view of the valve seat assembly tool provided by the present application is shown in the figure.

[0035] Figure 4 The structural schematic view of the valve seat assembly tool provided by the present application is shown in the figure.

[0036] Figure 5 The structural schematic view of the counterweight in the valve seat assembly tool provided by the present application is shown in the figure.

[0037] Explanation of the reference signs:

[0038] 1-screw rod; 21-adjusting seat; 22-fixed seat; 23-first connecting rod; 24-second connecting rod; 25-elastic member; 26-connecting seat; 3-guiding panel; 31-guiding part; 32-extended part; 4-handle member; 5-counterweight; 51-counterweight body; 52-giving place cavity; 6-valve cover; 7-valve seat assembly. EMBODIMENT

[0039] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0040] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0041] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict between them.

[0043] Embodiment

[0044] With the improvement of manufacturing capacity and assembly demand, it is not reasonable to equip all the valves of all the diameters with a set of guide tool. The embodiment provides a valve seat assembly tool, which can infinitely adjust the required tool size, so as to be suitable for the assembly demand occasions of valve seats of various diameters. One assembly tool can replace the original multiple tools, which is beneficial to improve the production efficiency, the flexibility of the assembly stage, the general adaptability, saves the cost of the tool, the alignment effect and accuracy of the assembly tool in the assembly stage are good, and it is beneficial to reduce the scrap of the lip seal.

[0045] Referring to Figures 1 to 4 In the embodiment, the valve seat assembly tool comprises a screw rod 1, an adjusting assembly and a guide panel 3, and the guide panel 3 and the adjusting assembly are correspondingly arranged.

[0046] Referring to Figure 1 and Figure 3 The adjusting assembly comprises an adjusting seat 21, a fixed seat 22 and two or more adjusting members, the adjusting seat 21 and the fixed seat 22 are arranged at intervals, one end of the screw rod 1 is fixedly connected with the fixed seat 22, the other end of the screw rod 1 is threadedly connected with the adjusting seat 21, and the adjusting seat 21 is moved towards or away from the fixed seat 22 through the thread connection between the screw rod 1 and the adjusting seat 21.

[0047] In the embodiment, any adjusting member has an adjusting end, a fixing end and an extension end, the adjusting end is rotationally arranged with the adjusting seat 21, the fixing end is rotationally arranged with the fixing seat 22, and the extension end is adapted to expand away from the screw rod 1 or contract close to the screw rod 1 when the adjusting seat 21 and the fixing seat 22 are close to or away from each other, and the guide panel 3 is rotationally arranged with the extension end.

[0048] The valve seat assembly provided by the embodiment establishes an adjustable positioning basis for the valve seat through the screw rod 1, the two or more adjusting members and the guide panel 3; the adjusting seat 21 is moved towards or away from the fixing seat 22 through the threaded cooperation of the screw rod 1 and the adjusting seat 21, and then the relative movement between the adjusting seat 21 and the fixing seat 22 is converted into the extension and contraction movement of the extension end of the adjusting member through the adjusting member, so that the extension end can drive the guide panel 3 to expand away from the screw rod 1 or contract close to the screw rod 1, thereby achieving the purpose of adjusting the position of the guide panel 3 to match the valve seat assembly 7 of different size.

[0049] The valve seat assembly provided by the embodiment is simple and convenient to operate, and the size data of the assembly tool can be adjusted through the forward and reverse rotation of the screw rod 1. The threaded cooperation of the screw rod 1 and the adjusting seat 21 can achieve the purpose of stepless adjustment, and the adjusting precision is good, which can well meet the assembly requirements of the valve seat assembly 7 of various sizes.

[0050] In a specific embodiment, the threaded cooperation of the screw rod 1 and the adjusting seat 21 is provided as a self-locking threaded structure.

[0051] In some structural embodiments, the adjusting members and the guide panel 3 are annularly distributed on the outer circumferential side of the screw rod 1. When the adjusting seat 21 is displaced by the rotation of the screw rod 1, the adjusting seat 21 and the fixing seat 22 link the adjusting members, and then the guide panel 3 is expanded or contracted and displaced by the extension end of the adjusting member, and the actual size of the outer periphery of the tool is established through the annularly distributed guide panel 3 to match the size of the valve assembly. In this way, the number of adjusting members and guide panels 3 can be set as odd or even, and a circumferentially uniform constraint mode can be established for the valve seat assembly 7.

[0052] As an exemplary embodiment, see Figure 4 The adjusting members and the guide panel 3 are correspondingly provided with four adjusting members and four guide panels 3, which are annularly arranged on the outer circumferential side of the screw rod 1. The four guide panels 3 establish a circumferentially annular extension and radial positioning for the valve seat assembly 7 to adapt to different sizes of the valve seat assembly 7.

[0053] In some structural embodiments, the adjusting members and the guide panels 3 are symmetrically distributed around the outer periphery of the screw member 1. When the adjusting seat 21 is displaced by the rotation of the screw member 1, the adjusting seat 21 and the fixed seat 22 jointly displace the adjusting members, and the adjusting members in turn displace the guide panels 3 outward or inward, so as to establish the actual size of the outer periphery of the tooling through the symmetrically distributed guide panels 3, so as to match the pass of the valve group assembly. In this arrangement, the number of adjusting members and guide panels 3 is even, and the valve seat assembly 7 can be radially symmetrically constrained.

[0054] As an exemplary embodiment, referring to Figure 3 , the adjusting member comprises a first connecting rod 23 and a second connecting rod 24, one end of the first connecting rod 23 adjacent to the adjusting seat 21 is arranged as an adjusting end, one end of the second connecting rod 24 adjacent to the fixed seat 22 is arranged as a fixed end, and the other ends of the first connecting rod 23 and the second connecting rod 24 are arranged as telescopic ends.

[0055] As a preferred embodiment, referring to Figure 3 , the adjusting assembly further comprises a connecting seat 26, which is fixedly arranged on the end face of the guide panel 3 facing the screw member 1, and the first connecting rod 23 and the connecting seat 26 are rotationally arranged, and the second connecting rod 24 and the connecting seat 26 are rotationally arranged. The connecting seat 26 is connected to the end face of the guide panel 3 facing the screw member 1, and the telescopic ends formed by the first connecting rod 23 and the second connecting rod 24 are installed through the connecting seat 26, which optimizes the support and force transmission of the first connecting rod 23 and the second connecting rod 24 to the guide panel 3, and is beneficial to improve the connection and structural strength between the guide panel 3 and the adjusting member.

[0056] As a preferred embodiment, referring to Figure 3 , the first rotation axis of the first connecting rod 23 and the connecting seat 26 is arranged to be spaced apart from the second rotation axis of the second connecting rod 24 and the connecting seat 26; the two rotation axes are arranged to be spaced apart, which optimizes the support and force transmission of the structure, avoids stress concentration, and is beneficial to prolong the service life of the tooling.

[0057] In other embodiments, the first rotation axis of the first connecting rod 23 and the connecting seat 26 is arranged to be coaxial with the second rotation axis of the second connecting rod 24 and the connecting seat 26; in this arrangement, the telescopic ends formed by the first connecting rod 23 and the second connecting rod 24 are convenient to assemble with the guide panel 3.

[0058] As a preferred embodiment, the length of the first connecting rod 23 is equal to the length of the second connecting rod 24; in this arrangement, when the adjusting seat 21 is moved towards the fixed seat 22 by the rotation of the screw member 1, the guide panel 3 can be directly radially expanded and displaced by the telescopic ends, so as to match the inner diameter of the valve group assembly, thereby radially aligning and assembling the valve group assembly on the pre-assembly station of the valve cover 6.

[0059] As a preferred embodiment, referring to Figure 3 , the adjusting assembly further comprises an elastic member 25 sleeved outside the screw member 1, one end of the elastic member 25 fixedly connected with the adjusting seat 21, and the other end of the elastic member 25 fixedly connected with the fixed seat 22. The adjusting seat 21 and the screw member 1 are pressed by the elastic member 25 to enhance the locking ability between the adjusting seat 21 and the screw member 1, so that the telescopic end and the guide panel 3 have good positioning ability. This arrangement is conducive to improving the positioning accuracy of the assembly tool outside, achieving stepless adjustment, and enabling the assembly tool to expand outward or contract inward to adapt to different sizes of the valve seat assembly 7.

[0060] As a preferred embodiment, referring to Figure 1 , the guide panel 3 comprises a guide portion 31 and an extension portion 32 fixedly connected with each other, the guide portion 31 is arranged to extend in a first direction, and the extension portion 32 is arranged to extend in a second direction away from the screw member 1, the first direction and the second direction are arranged perpendicularly, and the joint of the guide portion 31 and the extension portion 32 is arranged to abut against the assembly cavity of the valve seat assembly 7. Specifically, the first direction is arranged to be the axial direction of the assembly channel of the valve cover 6, the outer wall surface of each guide portion 31 is arranged to abut against and limit the inner wall of the valve cover 6 to determine the radial and circumferential positioning in the assembly stage, so that the guide portion 31 matches the inner diameter of the valve seat assembly 7 when the guide panel 3 expands radially, and drives the valve seat assembly 7 to align with the assembly cavity; the second direction is arranged to be the radial direction of the assembly channel of the valve cover 6, the extension portion 32 is arranged to abut against and limit the valve seat assembly 7 to determine the axial and radial positioning in the assembly stage, so that the extension portion 32 can drive the valve seat assembly 7 to align with the assembly cavity along the axial direction when the guide panel 3 axially displaces. This arrangement improves the valve seat assembly precision and the assembly efficiency of the valve seat assembly 7, is conducive to reducing the scrap rate caused by material loss and failure of the lip seal and other sealing structures, thereby reducing production cost and improving economic benefit.

[0061] As a preferred embodiment, referring to Figure 2 and Figure 3 , the valve seat assembly tool further comprises a counterweight 5 arranged to abut against the extension portion 32. Specifically, the counterweight 5 is arranged to abut against the extension portion 32 to load the guide panel 3, so as to press the valve seat assembly 7 between the guide panel 3 and the valve cover 6; the counterweight 5 is used to establish axial ballast to enhance the alignment of the valve seat assembly 7 with the desired assembly area, which is conducive to improving the assembly accuracy and effect.

[0062] As a preferred embodiment, referring to Figure 1 , the valve seat assembly tool further comprises a handle member 4 fixedly connected to one end of the screw member 1 away from the fixed seat 22.

[0063] The valve seat assembly 7 is placed into the channel installation position, and is not pressed in first.

[0064] As a preferred embodiment, refer to Figure 5 and ​ The counterweight 5 includes a counterweight body 51 arranged as a rotary body structure, and a clearance cavity 52 is arranged in the counterweight body 51. The counterweight body 51 is arranged to be loaded on the extension 32 of the guide panel 3, and the clearance cavity 52 is used to provide space for the user or external mechanical equipment to act on the handle 4, so that the handle 4 can drive the screw rod 1 to rotate synchronously.

[0065] The valve seat assembly 7 is placed into the channel installation position, and is not pressed in first.

[0066] The valve seat assembly 7 is placed into the channel installation position, and is not pressed in first.

[0067] The valve seat assembly 7 is placed into the channel installation position, and is not pressed in first.

[0068] The valve seat assembly 7 is placed into the channel installation position, and is not pressed in first.

[0069] The user can rotate the handle 4 to displace the screw rod 1 in threaded cooperation with the adjusting seat 21, so as to drive the extension end of the adjusting member to expand, so that the guide panel 3 tightly supports the inner diameter of the valve cover 6 and the valve seat assembly 7, and the valve cover 6 and the valve seat assembly 7 are in the coaxial position.

[0070] The valve seat assembly 7 is placed into the channel installation position, and is not pressed in first.

[0071] Then the counterweight 5 is used to press the valve seat assembly 7 into the assembly position of the valve cover 6.

[0072] The valve seat assembly 7 is placed into the channel installation position, and is not pressed in first.

[0073] In the above description, the valve seat assembly 7 is placed into the channel installation position, and is not pressed in first.

[0074] Obviously, the above embodiments are merely exemplary and not intended to limit the embodiments. Based on the above description, one of ordinary skill in the art can make other different forms of changes or modifications. Here, all the embodiments are not required to be exhaustive. The obvious changes or modifications derived therefrom are still within the protection scope of the present application.

Claims

1. A valve seat assembly fixture, characterized in that, include: Screw component (1); An adjustment assembly includes an adjustment seat (21), a fixed seat (22), and at least two adjustment members. The adjustment seat (21) and the fixed seat (22) are spaced apart. One end of the screw member (1) is fixedly connected to the fixed seat (22), and the other end of the screw member (1) is threadedly engaged with the adjustment seat (21). Through the threaded engagement between the screw member (1) and the adjustment seat (21), the adjustment seat (21) moves toward or away from the fixed seat (22). Each adjustment member has an adjustment end, a fixed end, and a telescopic end. The adjustment end is rotatably configured with the adjustment seat (21), and the fixed end is rotatably configured with the fixed seat (22). The telescopic end is adapted to expand outward away from the screw member (1) or retract toward the screw member (1) when the adjustment seat (21) and the fixed seat (22) are close to or far away from each other. And a guide panel (3), the guide panel (3) and the adjustment member are configured accordingly, and the guide panel (3) and the telescopic end are configured to rotate.

2. The valve seat assembly fixture according to claim 1, characterized in that, The adjusting component includes a first connecting rod (23) and a second connecting rod (24). The end of the first connecting rod (23) adjacent to the adjusting seat (21) is set as the adjusting end, and the end of the second connecting rod (24) adjacent to the fixed seat (22) is set as the fixed end. The ends of the first connecting rod (23) and the second connecting rod (24) respectively connected to the guide panel (3) are set as telescopic ends.

3. The valve seat assembly fixture according to claim 2, characterized in that, The adjustment assembly also includes a connecting seat (26), which is fixedly disposed on the end face of the guide panel (3) facing the screw (1). The first connecting rod (23) and the connecting seat (26) are rotatably configured, and the second connecting rod (24) and the connecting seat (26) are rotatably configured.

4. The valve seat assembly fixture according to claim 3, characterized in that, The first rotation axis of the first connecting rod (23) and the connecting seat (26) is spaced apart from the second rotation axis of the second connecting rod (24) and the connecting seat (26); or the first rotation axis of the first connecting rod (23) and the connecting seat (26) is coaxial with the second rotation axis of the second connecting rod (24) and the connecting seat (26); and / or The length of the first link (23) is equal to the length of the second link (24).

5. The valve seat assembly fixture according to claim 1, characterized in that, The adjustment assembly also includes an elastic element (25), which is sleeved on the outside of the screw (1). One end of the elastic element (25) is fixedly connected to the adjustment seat (21), and the other end of the elastic element (25) is fixedly connected to the fixed seat (22).

6. The valve seat assembly fixture according to any one of claims 1-5, characterized in that, The guide panel (3) includes a guide portion (31) and an extension portion (32) fixedly connected. The guide portion (31) extends along a first direction, and the extension portion (32) extends toward a second direction away from the screw member (1). The first direction and the second direction are perpendicular to each other. The connection between the guide portion (31) and the extension portion (32) is provided with an assembly cavity suitable for abutting against the valve seat assembly (7).

7. The valve seat assembly fixture according to claim 6, characterized in that, The valve seat assembly fixture also includes a counterweight (5), which is abutted against the extension (32).

8. The valve seat assembly fixture according to claim 7, characterized in that, The counterweight (5) includes a counterweight body (51), which is configured as a rotating body structure and has a relief cavity (52) inside.

9. The valve seat assembly fixture according to claim 6, characterized in that, The adjusting components and the guide panels (3) are distributed in a ring or symmetrically on the outer periphery of the screw (1), and four adjusting components and four guide panels (3) are provided respectively.

10. The valve seat assembly fixture according to any one of claims 1-5, characterized in that, The valve seat assembly fixture also includes a handle (4), which is fixedly connected to the end of the screw (1) away from the fixed seat (22).

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