Tool for disassembling and assembling rear cover of pressure-variable and temperature-variable display

Abstract

The utility model provides a tool for disassembling and assembling a rear cover of a pressure-variable and temperature-variable display, which comprises a clamping part and a handle, the clamping part is matched with the rear cover of the pressure-variable and temperature-variable display, and the handle is connected with the clamping part. The device can adapt to different types of pressure change and temperature change display rear covers of a station, and is simple to operate. The working efficiency is improved and the operation time is shortened. And risks during dismounting and mounting are reduced, and the safety of personnel and equipment in the operation process is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dismounting pressure and temperature change technical field, especially to a tool for dismounting pressure and temperature change display rear cover. BACKGROUND

[0002] Pressure transmitter and temperature transmitter are more used in gas transmission station, and the total number of each station of a company is 526, when daily maintenance and periodic calibration are disassembled, the rear cover is very slippery and is very easy to slip off, which causes damage to personnel and equipment, and the work efficiency is low. INVENTION CONTENTS

[0003] The utility model solves the technical problem that the prior art is short, provides a tool for dismounting pressure and temperature change display rear cover.

[0004] The utility model discloses a technical scheme that solves the above technical problem: a tool for dismounting pressure and temperature change display rear cover, comprising: the handle is connected with the clamping portion.

[0005] The beneficial effects of the technical scheme of the utility model are: can adapt to different models of pressure and temperature change display rear cover of the station, simple operation, improve work efficiency, shorten operation time, reduce the risk during dismounting and mounting, and ensure personnel and equipment safety during operation.

[0006] Further, the clamping portion is of arc structure.

[0007] The beneficial effects of the above further technical scheme are: the shape of the clamping portion is adapted to the pressure and temperature change display rear cover, and the clamping portion is convenient to clamp with the pressure and temperature change display rear cover.

[0008] Further, one side of the clamping portion is provided with a bayonet.

[0009] The beneficial effects of the above further technical scheme are: the bayonet is convenient to clamp with the pressure and temperature change display rear cover.

[0010] Further, the pressure and temperature change display rear cover is provided with a plurality of flanges and a plurality of convex groove portions, and the plurality of flanges and the plurality of convex groove portions are arranged at intervals.

[0011] The beneficial effects of the above further technical scheme are: the clamping portion can be clamped in the convex groove portion of the pressure and temperature change display rear cover.

[0012] Further, the size of the bayonet is adapted to the size of the at least two flanges.

[0013] The beneficial effect of the further technical scheme is that the size of the bayonet is approximately consistent with the size of the flange of the pressure change and temperature change display rear cover, can adapt to different models of pressure change and temperature change display rear covers of the station, and is simple to operate.

[0014] Further, the two ends of the clamping part are respectively located in the two groove parts.

[0015] The beneficial effect of the further technical scheme is that the tool is clamped in the groove part of the pressure change display rear cover, and is rotated in the dismounting direction, so that the rear cover dismounting work is completed.

[0016] Further, the depth of the bayonet is 4 cm, the length of the bayonet is 75 mm, the inner diameter of the buckle is 5.5 cm, and the length of the handle is 25 cm.

[0017] The beneficial effect of the further technical scheme is that the size of the bayonet is approximately consistent with the size of the flange of the pressure change and temperature change display rear cover, can adapt to different models of pressure change and temperature change display rear covers of the station, and is simple to operate.

[0018] Further, the outer diameter of the temperature change display rear cover is 100 mm, and the groove depth is 5 mm.

[0019] The beneficial effect of the further technical scheme is that the size of the bayonet is approximately consistent with the size of the flange of the pressure change and temperature change display rear cover, can adapt to different models of pressure change and temperature change display rear covers of the station, and is simple to operate.

[0020] Further, the outer diameter of the pressure change display rear cover is 7.5 cm, the inner diameter is 6.5 cm, and the groove depth is 0.6 cm.

[0021] The beneficial effect of the further technical scheme is that the size of the bayonet is approximately consistent with the size of the flange of the pressure change and temperature change display rear cover, can adapt to different models of pressure change and temperature change display rear covers of the station, and is simple to operate.

[0022] Further, the clamping part and the handle are made of copper alloy, and the outer side of the handle is sleeved with a rubber layer.

[0023] The beneficial effect of the further technical scheme is that the processing cost is low, the manufacturing is simple, and the tool is durable.

[0024] The advantages of the additional aspects of the utility model will be partially given in the following description, some will become apparent from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1The utility model provides a structure schematic diagram of the tool of dismounting and mounting the rear cover of pressure change and temperature change display.

[0026] Fig. 2 The utility model provides a structure schematic diagram of the rear cover of temperature change display.

[0027] Fig. 3 The utility model provides a use state diagram of the tool of dismounting and mounting the rear cover of pressure change and temperature change display.

[0028] The figure number explanation: 1, the joint part, 2, handle, 3, flange, 4, convex groove part. DETAILED DESCRIPTION

[0029] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not to limit the scope of the utility model.

[0030] As Figs. 1-3 The utility model provides a tool of dismounting and mounting the rear cover of pressure change and temperature change display, which comprises: the joint part 1 and the handle 2 that are matched with the rear cover of pressure change and temperature change display, and the handle 2 is connected with the joint part 1.

[0031] The beneficial effects of the technical scheme of the utility model are as follows: the tool can be adapted to the rear cover of pressure change and temperature change display of different models in the station, and is simple to operate, improves work efficiency and shortens operation time, reduces the risk during dismounting and mounting, and guarantees the safety of personnel and equipment during operation.

[0032] The end of the joint part away from the handle can be a pointed end, which facilitates insertion into the convex groove part. The end of the joint part adjacent to the handle can be provided with a flat surface, which facilitates abutment with the flange and improves friction. The middle part of the joint part can be thickened to improve the load strength of the joint part.

[0033] 1) The utility model provides a tool of dismounting and mounting the rear cover of pressure change and temperature change display, which can be a practical tool for quickly dismounting and mounting pressure change and temperature change, and the size of the joint of the special tool (the tool of dismounting and mounting the rear cover of pressure change and temperature change display) substantially matches the size of the flange of the rear cover of pressure change and temperature change display (the rear cover of pressure change and temperature change display), which can be adapted to the rear cover of pressure change and temperature change display of different models in the station, is simple to operate, and before the special tool is used, two persons are required to cooperate to dismount a transmitter, which takes about 3 minutes, and after the special tool is used, one person can complete the operation, which takes about 1 minute for a transmitter, greatly improves work efficiency, and shortens operation time by about 66%.

[0034] 2) The tool is made of single material and has low processing cost, is simple to manufacture, and is durable.

[0035] 3) can reduce the risk of disassembly and installation, ensure the safety of personnel and equipment during operation.

[0036] 4) In the case of insufficient personnel and limited maintenance capacity, shorten the replacement time and effectively improve work efficiency.

[0037] 5) The tool has been practiced by station staff, easy to operate, easy to use, and practical.

[0038] As shown in Figs. 1-3 Further, the clamping part 1 is a circular arc structure.

[0039] The beneficial effects of the above further technical solutions are that the shape of the clamping part is adapted to the pressure and temperature change display rear cover, facilitating clamping with the pressure and temperature change display rear cover.

[0040] As shown in Figs. 1-3 Further, one side of the clamping part 1 is provided with a bayonet.

[0041] The beneficial effects of the above further technical solutions are that the bayonet is convenient for clamping with the pressure and temperature change display rear cover.

[0042] As shown in Figs. 1-3 Further, a plurality of flanges 3 and a plurality of groove parts 4 are provided on the pressure and temperature change display rear cover, and the plurality of flanges 3 and the plurality of groove parts 4 are arranged at intervals.

[0043] The beneficial effects of the above further technical solutions are that the clamping part can be clamped in the groove part of the pressure and temperature change display rear cover.

[0044] As shown in Figs. 1-3 Further, the size of the bayonet is adapted to the size of at least two flanges 3.

[0045] The beneficial effects of the above further technical solutions are that the size of the bayonet is roughly consistent with the size of the flange of the pressure and temperature change display rear cover, which can adapt to different models of the pressure and temperature change display rear cover in the station, and the operation is simple.

[0046] As shown in Figs. 1-3 Further, both ends of the clamping part 1 are located in two groove parts 4 respectively.

[0047] The beneficial effects of the above further technical solutions are that the tool is clamped in the groove part of the pressure change display rear cover, and rotated according to the disassembly direction, so that the rear cover disassembly work can be completed.

[0048] Further, the depth of the bayonet is 4 cm, the length of the bayonet is 75 mm, the inner diameter of the buckle is 5.5 cm, and the length of the handle 2 is 25 cm.

[0049] The beneficial effect of the further technical solution is that the size of the bayonet is roughly consistent with the size of the flange of the pressure and temperature change display rear cover, which can adapt to different types of pressure and temperature change display rear covers in the station, and the operation is simple.

[0050] Further, the outer diameter of the temperature change display rear cover is 100 mm, and the rear cover groove depth is 5 mm.

[0051] The beneficial effect of the further technical solution is that the size of the bayonet is roughly consistent with the size of the flange of the pressure and temperature change display rear cover, which can adapt to different types of pressure and temperature change display rear covers in the station, and the operation is simple.

[0052] Further, the outer diameter of the pressure change display rear cover is 7.5 cm, the inner diameter is 6.5 cm, and the groove depth is 0.6 cm.

[0053] The beneficial effect of the further technical solution is that the size of the bayonet is roughly consistent with the size of the flange of the pressure and temperature change display rear cover, which can adapt to different types of pressure and temperature change display rear covers in the station, and the operation is simple.

[0054] As shown in Figs. 1-3 Further, the materials of the clamping part 1 and the handle 2 are both copper alloy, and the outer side of the handle 2 is sleeved with a rubber layer.

[0055] The beneficial effect of the further technical solution is that the processing cost is low, the manufacturing is simple, and it is durable. The use of copper alloy material is safe and explosion-proof, which prolongs the service life of the tool.

[0056] The commonly used temperature change display rear cover has an outer diameter of 100 mm and a rear cover groove depth of 5 mm.

[0057] In view of improving work efficiency and effectively protecting equipment and personnel safety, a practical tool for quickly disassembling and assembling pressure and temperature change display rear covers is developed.

[0058] The commonly used pressure change display rear cover has an outer diameter of 7.5 cm, an inner diameter of 6.5 cm, and a groove depth of 0.6 cm. The practical tool for quickly disassembling and assembling pressure and temperature change display rear covers has an outer opening (bayonet) with an inner diameter of 5.5 cm, an opening (bayonet) depth of 4 cm, and a rear groove width of 3 cm, and a handle length of 25 cm. The size of the bayonet of the practical tool (tool for disassembling and assembling pressure and temperature change display rear covers) is consistent with the size of the pressure change display rear cover, the rear groove serves as a disassembly support point for reinforcement, and it can adapt to pressure and temperature change display rear covers of different sizes installed in the station.

[0059] The use of copper alloy material is safe and explosion-proof, which prolongs the service life of the tool.

[0060] The use process is: the special tool is inserted into the convex groove part of the pressure display rear cover, and is rotated in the disassembly direction, so that the rear cover disassembly and assembly work is completed.

[0061] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A tool for removing and replacing a back cover of a pressure and temperature display, characterized in that, The application relates to a clamping part and a handle matched with a pressure and temperature change display back cover, wherein the handle is connected with the clamping part; the clamping part is in an arc structure; one side of the clamping part is provided with a clamping opening; the pressure and temperature change display back cover is provided with a plurality of flanges and a plurality of convex groove parts, the plurality of flanges and the plurality of convex groove parts are arranged at intervals; and the size of the clamping opening is matched with the size of at least two flanges. The two ends of the clamping part are respectively located in two convex groove parts.

2. A tool for removing a rear cover of a pressure and temperature display device according to claim 1, wherein The depth of the clamping opening is 4 cm, the length of the clamping opening is 75 mm, the inner diameter of the clamping part is 5.5 cm, and the length of the handle is 25 cm.

3. The tool of claim 1, wherein: The outer diameter of the temperature change display back cover is 100 mm, and the back cover groove depth is 5 mm.

4. The tool of claim 1, wherein: The outer diameter of the pressure change display back cover is 7.5 cm, the inner diameter is 6.5 cm, and the groove depth is 0.6 cm.

5. The tool of claim 1, wherein: The clamping part and the handle are both made of copper alloy, and the outer side of the handle is provided with a rubber layer.

6. The tool of claim 1, wherein: ​

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