Tool for taking out valve seat of ammonia injection regulating valve

Abstract

The utility model discloses a tool for taking out a valve seat of an ammonia injection regulating valve, which comprises a connecting shaft, a positioning ring and a clamping block, a groove is arranged at the bottom of the connecting shaft, a positioning groove is arranged on the outer wall of the connecting shaft, the positioning ring is oppositely arranged inside the positioning groove, and the clamping block is arranged inside the groove. A driving motor drives a connecting supporting column to drive a connecting shaft to rotate, a clamping block is conveniently replaced through cooperation of a groove and a fastening bolt, a positioning ring is conveniently replaced through a positioning groove, the rotating stability of the connecting shaft is not affected, the proper positioning ring can be selected according to a valve inner cavity, and the concentricity of a tool body and a valve seat is guaranteed; the clamping blocks can select proper specifications according to the size of the valve, the valve seat is quickly screwed out through rotation of the driving motor, and quick replacement is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve seat removal tools, in particular to a valve seat removal tool for an ammonia injection regulating valve. Background Art

[0002] During long-term use of the ammonia injection regulating valve, the start and stop of the system will cause crystallization around the valve. During the maintenance process, it is difficult to remove the valve seat without tools. Therefore, this application designs an ammonia injection regulating valve seat removal tool, which can select a suitable clamp block according to the size of the valve, and a suitable positioning ring according to the inner cavity of the valve to ensure the concentricity of the tool body and the valve seat, and use the drive motor to quickly rotate the valve seat to achieve rapid replacement. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above-mentioned problems and / or problems existing in the use of a tool for removing the valve seat of an ammonia injection regulating valve, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a valve seat removal tool for an ammonia injection regulating valve, which drives the connecting shaft to rotate by driving the connecting pillar through a driving motor, and facilitates the replacement of the clamping block through the cooperation of the groove and the fastening bolt, and facilitates the replacement of the locating ring through the locating groove without affecting the stability of the rotation of the connecting shaft. The locating ring can select a suitable locating ring according to the inner cavity of the valve to ensure the concentricity of the tool body and the valve seat. The clamping block can select a suitable specification according to the size of the valve, and the valve seat can be quickly screwed out by rotating the driving motor to achieve quick replacement.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A valve seat removal tool for an ammonia injection regulating valve, comprising:

[0008] A connecting shaft, wherein a groove is provided at the bottom of the connecting shaft, and a positioning groove is provided on the outer wall of the connecting shaft;

[0009] A positioning ring, the positioning ring is relatively arranged inside the positioning groove;

[0010] A clamping block is arranged inside the groove.

[0011] As a preferred solution of the valve seat removal tool for an ammonia injection regulating valve described in the utility model, a connecting pillar is arranged on the top of the connecting shaft, and a driving motor is arranged on the top of the connecting pillar.

[0012] As a preferred solution of the valve seat removal tool for an ammonia injection regulating valve described in the utility model, a valve body is sleeved on the outer periphery of the connecting shaft, and the outer wall of the positioning ring fits with the inner cavity of the valve body.

[0013] As a preferred solution of the valve seat removal tool for an ammonia injection regulating valve described in the utility model, a slot is provided at the bottom of the connecting shaft, a valve seat body is provided inside the valve body, the middle part of the valve seat body is clamped into the clamping block, and the slot is clamped on the top protrusion of the valve seat body.

[0014] As a preferred solution of the valve seat removal tool for an ammonia injection regulating valve described in the utility model, a threaded seat is arranged on the top of the connecting shaft, and a threaded end adapted to the threaded seat is arranged on the bottom of the connecting support.

[0015] As a preferred solution of the ammonia injection regulating valve seat removal tool described in the utility model, the side wall of the connecting shaft is provided with a threaded hole, a fastening bolt is provided inside the threaded hole, and the front end of the fastening bolt is pressed against the side wall of the clamping block.

[0016] Compared with the prior art, the utility model has the following beneficial effects: this type of ammonia injection regulating valve seat removal tool drives the connecting shaft to rotate by driving the connecting pillar through a driving motor, and the clamping block is conveniently replaced through the groove and the fastening bolt, and the positioning ring is conveniently replaced through the positioning groove without affecting the stability of the rotation of the connecting shaft. The positioning ring can select a suitable positioning ring according to the valve cavity to ensure the concentricity of the tool body and the valve seat. The clamping block can select a suitable specification according to the size of the valve, and the valve seat can be quickly screwed out by rotating the driving motor to achieve quick replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of a tool for removing a valve seat of an ammonia injection regulating valve according to the utility model;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of a tool for removing the valve seat of an ammonia injection regulating valve according to the utility model;

[0020] Figure 3 The utility model is a schematic diagram of the structure of the positioning ring part of the valve seat removal tool of the ammonia injection regulating valve.

[0021] 100, connecting shaft; 101, slot; 102, valve body; 103, valve seat body; 110, threaded seat; 120, connecting support; 121, driving motor; 200, positioning ring; 300, clamping block. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention in detail, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged at a general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0024] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] The utility model provides a valve seat removal tool for an ammonia injection regulating valve. The connecting pillar is driven by a driving motor to drive the connecting shaft to rotate. The clamping block is conveniently replaced through the cooperation of the groove and the fastening bolt. The positioning ring is conveniently replaced through the positioning groove without affecting the stability of the rotation of the connecting shaft. The positioning ring can select a suitable positioning ring according to the inner cavity of the valve to ensure the concentricity of the tool body and the valve seat. The clamping block can select a suitable specification according to the size of the valve. The valve seat can be quickly screwed out by rotating the driving motor to achieve quick replacement.

[0026] Figure 1-Figure 3 The structure diagram of an embodiment of a tool for removing the valve seat of an ammonia injection regulating valve according to the utility model is shown. Figure 1-Figure 3 In this embodiment, a valve seat removal tool for an ammonia injection regulating valve is provided, and its main body includes a connecting shaft 100, a positioning ring 200 and a clamping block 300.

[0027] The connecting shaft 100 drives the connecting pillar 120 to rotate through the driving motor 121, and the clamping block 300 is conveniently replaced through the groove and the fastening bolt, and the positioning ring 200 is conveniently replaced through the positioning groove without affecting the rotation stability of the connecting shaft 100. Specifically, the bottom of the connecting shaft 100 is provided with a groove, and the outer wall of the connecting shaft 100 is provided with a positioning groove. In this embodiment, the top of the connecting shaft 100 is provided with a connecting pillar 120, and the top of the connecting pillar 120 is provided with a driving motor 121. The outer periphery of the connecting shaft 100 is sleeved with a valve body 102, and the positioning groove is provided on the outer wall of the connecting shaft 100. The outer wall of the position ring 200 is fitted with the inner cavity of the valve body 102, the bottom of the connecting shaft 100 is provided with a slot 101, the inside of the valve body 102 is provided with a valve seat body 103, the middle part of the valve seat body 103 is inserted into the inside of the clamping block 300, the slot 101 is clamped in the top protrusion of the valve seat body 103, the top of the connecting shaft 100 is provided with a threaded seat 110, the bottom of the connecting pillar 120 is provided with a threaded end that is adapted to the threaded seat 110, the side wall of the connecting shaft 100 is provided with a threaded hole, and a fastening bolt is provided inside the threaded hole, and the front end of the fastening bolt is pressed against the side wall of the clamping block 300;

[0028] The positioning ring 200 can be selected appropriately according to the inner cavity of the valve to ensure the concentricity of the tool body and the valve seat. Specifically, the positioning ring 200 is relatively arranged inside the positioning groove;

[0029] The clamp block 300 can be selected with appropriate specifications according to the size of the valve. Specifically, the clamp block 300 is arranged inside the groove.

[0030] Combination Figure 1-Figure 3 , a valve seat removal tool for an ammonia injection regulating valve in this embodiment is specifically used as follows: the connecting pillar 120 is driven by the driving motor 121 to drive the connecting shaft 100 to rotate, and the clamping block 300 is conveniently replaced through the groove and the fastening bolt. The positioning ring 200 is conveniently replaced through the positioning groove without affecting the rotation stability of the connecting shaft 100. The positioning ring 200 can select a suitable positioning ring 200 according to the valve cavity to ensure the concentricity of the tool body and the valve seat. The clamping block 300 can select a suitable specification according to the size of the valve, and the valve seat can be quickly screwed out by rotating the driving motor 121 to achieve quick replacement.

[0031] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A tool for removing the valve seat of an ammonia injection regulating valve, characterized in that: include: A connecting shaft (100), wherein a groove is provided at the bottom of the connecting shaft (100), and a positioning groove is provided on the outer wall of the connecting shaft (100); A positioning ring (200), the positioning ring (200) being arranged relatively inside the positioning groove; A clamping block (300) is arranged inside the groove.

2. The ammonia injection regulating valve seat removal tool according to claim 1 is characterized in that: A connecting pillar (120) is arranged at the top of the connecting shaft (100), and a driving motor (121) is arranged at the top of the connecting pillar (120).

3. The valve seat removal tool for an ammonia injection regulating valve according to claim 2, characterized in that: The outer circumference of the connecting shaft (100) is sleeved with a valve body (102), and the outer wall of the positioning ring (200) fits in contact with the inner cavity of the valve body (102).

4. The ammonia injection regulating valve seat removal tool according to claim 3 is characterized in that: A clamping groove (101) is provided at the bottom of the connecting shaft (100), a valve seat body (103) is provided inside the valve body (102), a middle portion of the valve seat body (103) is clamped into the inside of the clamping block (300), and the clamping groove (101) is clamped on the top protrusion of the valve seat body (103).

5. The valve seat removal tool for an ammonia injection regulating valve according to claim 4, characterized in that: A threaded seat (110) is provided at the top of the connecting shaft (100), and a threaded end adapted to the threaded seat (110) is provided at the bottom of the connecting support pillar (120).

6. The ammonia injection regulating valve seat removal tool according to claim 5, characterized in that: A threaded hole is provided on the side wall of the connecting shaft (100), a fastening bolt is provided inside the threaded hole, and the front end of the fastening bolt is pressed against the side wall of the clamping block (300).

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