Pressure gauge with protection structure

Abstract

The utility model discloses a protective structure and a pressure gauge, the protective structure comprises a plurality of protective covers, a flange, a protective cover and a pair of connecting pieces which are fixed in a matching way, the adjacent protective covers in the plurality of protective covers are movably connected and jointly form an annular accommodating space, and the outer wall of each protective cover is provided with a buffer structure; the turned-over edge is arranged on the arc-shaped edge of the protective cover and extends to the annular containing space; the protective cover is connected to the edge of one protective cover and can be turned over to cover one face of the annular containing space, and the multiple protective covers are connected to jointly define the annular containing space. Through the protective cover, the turnup, the protective cover, the pair of connecting pieces fixed in a matched mode, the product wrapped in the annular containing space and the buffer piece, the stress of the product in the annular containing space is reduced, the product makes soft contact with the protective cover, the connecting position of the product and the protective cover is prevented from being broken, and the anti-collision buffering capacity of the product is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge technical field, specifically is a protection structure and pressure gauge. BACKGROUND

[0002] Pressure gauge is the atmospheric pressure for benchmark, is used for measuring the instrument of greater than atmospheric pressure, it is mainly used for liquid, gas and steam pressure measurement, the sensitive element in pressure gauge passes through the elastic deformation under the action of pressure, this deformation is conducted to the pointer through the conversion mechanism of the movement in the table, causes the pointer rotation, thereby indicates the measured pressure value on the dial.

[0003] In prior art, pressure gauge is wrapped by front shell, rear shell or protective sleeve, prevents direct collision and outside corrosive substance contact, such as adopting integral rear cover to contain pressure gauge, makes pressure gauge fixed in rear cover, finally adopts the front cover with glass and rear cover fixed, to improve the protection function of pressure gauge, and the front cover also has glass, convenient for the reading of user.

[0004] But in the above scheme, because the rear cover and pressure gauge are in hard contact, when the pressure gauge hits the ground at an angle, the connection between the shell and the pressure gauge (such as threaded shaft, fixed bolt or buckle) directly bears the impact load, and local stress concentration is easy to occur, fatigue cracks are easy to occur at the root of the thread, resulting in connection failure, at the same time, the buckle slot is easy to crack at the moment of impact, causing the shell to separate.

[0005] Therefore, the present application is to reduce the expansion strength between the pressure gauge and the shell when the pressure gauge is impacted, and to reduce the stress of the shell outside the pressure gauge. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a protection structure and pressure gauge, which aims at optimizing the protection structure of the pressure gauge, improving the anti-collision buffering capacity of the pressure gauge, and avoiding the rupture of the connection between the pressure gauge and the shell.

[0007] To achieve the above object, the utility model provides the following technical scheme: a protection structure, comprising:

[0008] A plurality of protective covers are movably connected between adjacent protective covers and collectively form an annular accommodating space, and the outer wall of the protective cover is provided with a buffer structure;

[0009] The flange is arranged at the arc-shaped edge of the protective cover and extends into the annular accommodating space;

[0010] The protective cover is connected to the edge of one of the protective covers and can be flipped to cover one side of the annular accommodating space;

[0011] A pair of matched fixed connecting pieces, in a plurality of the protective cover, are respectively arranged at the opposite ends of the protective cover.

[0012] Further, the number of the protective cover is two, which are respectively a first protective cover and a second protective cover, one end of the first protective cover and the second protective cover is rotatably connected, and the other end is connected with the corresponding connecting piece.

[0013] Further, the number of the protective cover is two, which are respectively a first protective cover and a second protective cover, one end of the first protective cover and the second protective cover is rotatably connected, and the other end is connected with the corresponding connecting piece.

[0014] Further, the first protective cover and the second protective cover are provided with a reserved hole at the same end of the connecting piece.

[0015] Further, the flange is provided with an annular groove embedded with the protective cover.

[0016] Further, the buffer structure comprises a plurality of buffer pieces distributed at the outer wall of the protective cover.

[0017] Further, the buffer piece is a plurality of buffer strips distributed at the outer wall of the protective cover.

[0018] Further, the connecting piece comprises a connecting strip and a fixed groove arranged on the two protective covers respectively, the connecting strip is moved into the fixed groove and is detachably connected with the fixed groove.

[0019] The application further discloses a pressure gauge, which comprises a pressure gauge body, the pressure gauge body is arranged in the accommodating space in the protective structure, and the flange partially shields the edge of the pressure gauge body.

[0020] Further, the back surface of the pressure gauge body is provided with a mounting cover, the outer peripheral wall of the mounting cover is provided with at least one protruding part, when the mounting cover is fixed with the pressure gauge body, the protruding part presses the flange on the side wall of the pressure gauge body.

[0021] The utility model provides a protective structure and pressure gauge, have the following beneficial effects:

[0022] The utility model discloses a protective cover, flange, protective cover and a pair of matched fixed connecting piece, the buffer structure of protective cover outer wall protects the product wrapped in annular accommodating space in it, and the flange is used for limiting the product in annular accommodating space, when meeting the knock, the buffer piece reduces the stress of the product in annular accommodating space, makes the soft contact between product and protective cover, to avoid the rupture of the junction of product and protective cover, improves the anti -collision buffer capacity of product.

[0023] The utility model discloses a rotatory installation cover, and L type connecting block is in the sliding of the inner wall of through groove no. 2, when L type connecting block is slid to the position of through groove no. 1, can take out the installation cover from the pressure gauge body, thereby opening the pressure gauge body and maintaining the structure in the pressure gauge body, and the structure is simple, convenient operation, and the installation cover is dismantled fast, and the convenience when maintaining the pressure gauge body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 It is the connection relation schematic diagram of the first protective cover and the second protective cover in the whole utility model;

[0026] Figure 3 It is Figure 2 The local enlarged schematic diagram of area A in;

[0027] Figure 4 It is the explosion structure schematic diagram of the pressure gauge body in the utility model;

[0028] Figure 5 It is the connection relation schematic diagram of the installation strip and the installation cover in the utility model;

[0029] Figure 6 It is Figure 5 The local enlarged schematic diagram of area B in;

[0030] Figure 7 It is the three-dimensional relation schematic diagram of the installation cover in the utility model.

[0031] In the drawing: 1, pressure gauge body;2, first protective cover;3, second protective cover;4, protective cover;5, transparent glass;6, buffer;7, connecting strip;8, fixed part;9, fixed groove;10, installation cover;11, installation strip;12, sealing groove;13, sealing ring;14, protruding portion;15, through groove no. 1;16, L type connecting block;17, through groove no. 2;18, abutment ring;19, elastic part;20, flanging. DETAILED DESCRIPTION

[0032] The technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment.

[0033] The utility model provides technical scheme: as Figures 1-3As shown, a protective structure comprises a plurality of protective covers, a flange 20, a protective cover 4 and a pair of matched fixed connectors. In the plurality of protective covers, adjacent protective covers are movably connected and collectively form an annular accommodating space, and the outer wall of the protective cover is provided with a buffer structure. The flange 20 is arranged on the arc-shaped edge of the protective cover and extends into the annular accommodating space. The protective cover 4 is connected to the edge of one of the protective covers and can be flipped and cover one side of the annular accommodating space. In the plurality of protective covers, a pair of connectors are arranged at the end of the two end protective covers. The plurality of protective covers are connected to collectively form an annular accommodating space, which is convenient for subsequent packaging of the product to be protected. The flange 20 is used to limit the product in the annular accommodating space to prevent the product from falling out of the annular accommodating space. The protective cover 4 can be flipped and cover the annular accommodating space to fill the open side of the annular accommodating space and further protect the internal product. In the connection of the plurality of protective covers, the end protective covers are fixed to each other by the connectors to ensure that the product is limited in the annular accommodating space.

[0034] Specifically, the middle part of the protective cover 4 is provided with a transparent glass 5 to facilitate reading. The number of protective covers is selected according to requirements, but is preferably two. The flange 20 is integrally formed on the edge of the protective cover or can be stamped and fixed on the edge of the protective cover. When the annular accommodating space of the plurality of protective covers is wrapped around the product, the flange 20 extends to the edge of the product and is fixed in the annular accommodating space by the connectors. At the same time, the buffer structure is arranged on the outer wall of the protective cover. If the product with the protective structure falls, the buffer structure can contact the ground to reduce the stress on the product in the annular accommodating space, so that the product and the protective cover are in soft contact to avoid the connection between the product and the protective cover from being broken, thereby improving the anti-collision and buffering capacity of the product.

[0035] As an embodiment of the present application:

[0036] As shown in Figure 1 and Figure 2 , the number of protective covers is two, which are a first protective cover 2 and a second protective cover 3. One end of the first protective cover 2 and the second protective cover 3 is rotatably connected, and the other end is connected with the corresponding connector. Among them, the first protective cover 2 and the second protective cover 3 are rotatably connected through a hinge. When the first protective cover 2 and the second protective cover 3 are rotated and form an annular accommodating space, the free ends of the first protective cover 2 and the second protective cover 3 are fixed by the mutually matched connectors.

[0037] As an embodiment of the present application:

[0038] As shown in Figure 1 and Figure 2As shown, the number of protective cover is set to two, respectively, the first protective cover 2 and the second protective cover 3, one end of the first protective cover 2 and the second protective cover 3 is clamped and fixed, the other end is connected with the corresponding connecting piece. Among them, one end of the first protective cover 2 and the second protective cover 3 is clamped and positioned by the clamping groove and the clamping block, when the first protective cover 2 and the second protective cover 3 are clamped and fixed, the connecting piece cooperates to fix the other end of the first protective cover 2 and the second protective cover 3, and encloses an annular receiving space.

[0039] As shown in Figure 1 and Figure 2 In the above two embodiments, the connecting piece includes a connecting strip 7 and a fixing groove 9 arranged on the two protective covers respectively, the connecting strip 7 is moved into the fixing groove 9 and detachably connected with the fixing groove 9, the fixing piece 8 can be a bolt and a latch, the connecting strip 7 is inserted into the fixing groove 9, and the connecting strip 7 and the fixing groove 9 are fixed to each other by locking the bolt or the latch, so as to lock and fix the end of the first protective cover 2 and the second protective cover 3. In addition, the connecting piece can also be fixed by buckling and the like, which will not be repeated here.

[0040] The first protective cover 2 and the second protective cover 3 are provided with a reserved hole at the same end of the connecting piece, and the product is moved out of the reserved hole after extending out of the annular receiving space, so as to facilitate the operation of the product, such as wiring or measurement, and the shape of the reserved hole can be various, such as polygonal hole, cylindrical hole and the like. The shape of the reserved hole can be freely selected according to the product.

[0041] As shown in Figure 2 The flange 20 is provided with an annular groove embedded with the protective cover 4, and when the protective cover 4 is rotated from the flange 20, it covers one side of the annular receiving space. The protective cover 4 can be completely embedded in the annular groove, so that the protective cover 4 and the flange 20 are in the same plane, improving the tightness of the fit. When the first protective cover 2 and the second protective cover 3 collide with the ground, not only can the internal product be protected, but also the protective cover 4 can be protected.

[0042] As shown in Figure 1 and Figure 2 The buffer structure includes a plurality of buffer pieces 6 spaced apart on the outer wall of the protective cover, and the buffer piece 6 is arranged on the outer wall of the first protective cover 2 and the second protective cover 3, so that when the first protective cover 2 and the second protective cover 3 are collided, the buffer piece 6 can be deformed and slow down the stress of the first protective cover 2, the second protective cover 3 and the product in the annular receiving space.

[0043] Specifically, the buffer 6 is a plurality of buffer strips distributed on the outer wall of the protective cover, which are arranged between the outer walls of the first protective cover 2 and the second protective cover 3, and can be transversely or longitudinally attached to the outer walls of the first protective cover 2 and the second protective cover 3, or can be obliquely attached to the outer walls of the first protective cover 2 and the second protective cover 3. Among them, the buffer 6 can be supported by a flexible material, such as plastic, air bag, etc.

[0044] As shown in Figure 1 and Figure 2 , a pressure gauge, comprising a pressure gauge body 1, which is placed in the annular accommodating space in the protective structure described above, and the edge of the pressure gauge body 1 is partially blocked by the flange 20. Among them, the flange 20 extends to and blocks the edge part of the pressure gauge body 1, when the pressure gauge body 1 falls, the buffer 6 contacts the ground to achieve the buffering effect, the flange 20 contacts the ground secondly, which improves the buffering capacity, preferably, the flange 20 can also be provided with a buffer 6 alone to improve the overall protection effect.

[0045] As shown in Figure 1 and Figure 4 , the back of the pressure gauge body 1 is equipped with a mounting cover 10, and the outer peripheral wall of the mounting cover 10 is provided with at least one protruding part 14, when the mounting cover 10 is fixed with the pressure gauge body 1, the protruding part 14 presses the flange 20 on the side wall of the pressure gauge body 1, wherein when the rotating screw is installed on the back of the pressure gauge body 1, the protruding part 14 gradually presses the flange 20 of the edge of the first protective cover 2 and the second protective cover 3, so as to improve the pressing force and ensure the fixed position of the first protective cover 2 and the second protective cover 3, the protruding part 14 is glued or welded with the mounting cover 10, preferably the protruding part 14 is integrally formed from the edge of the mounting cover 10.

[0046] As shown in Figures 4-6 , the mounting strip 11 is arranged inside the pressure gauge body 1, and the inside of the mounting strip 11 is slidably connected with the abutting ring 18, one side of the abutting ring 18 is fixedly connected with the elastic member 19, one end of the elastic member 19 is fixedly connected with one side of the inner wall of the mounting strip 11, one side of the mounting strip 11 is provided with a through slot one 15, the other side of the mounting strip 11 is provided with a through slot two 17, one side of the through slot two 17 is in through communication with one side of the through slot one 15; the mounting cover 10 is arranged on the pressure gauge body 1, one side of the pressure gauge body 1 is fixedly connected with an L-shaped connecting block 16, the L-shaped connecting block 16 is located inside the mounting strip 11, by rotating the mounting cover 10, the L-shaped connecting block 16 slides in the inner wall of the through slot two 17, when the L-shaped connecting block 16 slides to the position of the through slot one 15, the mounting cover 10 can be taken out from the pressure gauge body 1, so as to open the pressure gauge body 1 and repair the structure inside the pressure gauge body 1, this structure is simple, convenient to operate, and can quickly disassemble the mounting cover 10, improving the convenience of repairing the pressure gauge body 1.

[0047] As Figure 4 shown, the pressure gauge body 1 is provided with a plurality of sealing grooves 12 on one side, and the mounting cover 10 is fixedly connected with a sealing ring 13 near the edge, and the sealing groove 12 and the sealing ring 13 can seal the gap between the pressure gauge body 1 and the mounting cover 10, and the plurality of sealing grooves 12 and the plurality of sealing rings 13 can form a labyrinth seal, thereby improving the sealing effect.

[0048] The utility model provides a protection structure and pressure gauge, specific working principle is as follows:

[0049] When installing the pressure gauge body 1, the pressure gauge body 1 is accidentally dropped from the table, the buffer piece 6 buffers the impact force and protects the pressure gauge body 1, when using the pressure gauge body 1 for a long time, the pressure gauge body 1 needs to be maintained, first rotating the fixing piece 8, the nut on the fixing piece 8 is removed from the second protective cover 3, rotating the second protective cover 3, the first protective cover 2 and the second protective cover 3 are detached from the pressure gauge body 1, rotating the mounting cover 10, the L type connecting block 16 slides in the through groove two 17 inner wall, when the L type connecting block 16 slides to the position of the through groove one 15, the mounting cover 10 can be taken out from the pressure gauge body 1, thereby opening the pressure gauge body 1 and maintaining the structure in the pressure gauge body 1, after maintenance, the L type connecting block 16 is aligned with the through groove one 15, the L type connecting block 16 is inserted into the installation strip 11, rotating the mounting cover 10, the through groove one 15 and the L type connecting block 16 are misaligned, installation is completed, and the pressure gauge body 1 is reinstalled on the equipment for use.

[0050] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protective structure, characterized in that, The utility model relates to a protective structure of pressure gauge, including: a plurality of protective covers, adjacent protective covers are movably connected, and an annular accommodating space is formed by the protective covers, and the outer wall of the protective cover is provided with a buffer structure; a flange (20) is arranged on the arc-shaped edge of the protective cover and extends to the annular accommodating space; a protective cover (4) is connected to the edge of one of the protective covers and can cover one side of the annular accommodating space by turning over; a pair of matched fixed connectors are arranged on the end of the two end protective covers.

2. The containment structure of claim 1, wherein: The number of protective covers is two, which are a first protective cover (2) and a second protective cover (3), one end of the first protective cover (2) and the second protective cover (3) is rotatably connected, and the other end is connected with the corresponding connector.

3. The containment structure of claim 1, wherein: The number of protective covers is two, which are a first protective cover (2) and a second protective cover (3), one end of the first protective cover (2) and the second protective cover (3) is rotatably connected, and the other end is connected with the corresponding connector.

4. A shield structure according to claim 2 or 3, characterised in that: The first protective cover (2) and the second protective cover (3) are provided with a reserved hole at the same end of the connector.

5. The containment structure of claim 1, wherein: The flange (20) is provided with an annular groove embedded in the protective cover (4).

6. The containment structure of claim 1, wherein: The buffer structure includes a plurality of buffer pieces (6) distributed on the outer wall of the protective cover.

7. The containment structure of claim 6, wherein: The buffer piece (6) is a plurality of buffer strips distributed on the outer wall of the protective cover.

8. The containment structure of claim 1, wherein: The connector includes a connecting strip (7) and a fixed groove (9) arranged on the two protective covers respectively, the connecting strip (7) is moved into the fixed groove (9) and is detachably connected with the fixed groove (9).

9. A pressure gauge, characterized by: The utility model relates to a protective structure of pressure gauge, including a pressure gauge body (1), the pressure gauge body (1) is placed in the accommodating space in the protective structure in any one of claims 1 to 8, and the flange (20) partially shields the edge of the pressure gauge body (1).

10. The pressure gauge of claim 9, wherein: The back of the pressure gauge body (1) is provided with a mounting cover (10), and the outer peripheral wall of the mounting cover (10) is provided with at least one protruding part (14), when the mounting cover (10) is fixed with the pressure gauge body (1), the protruding part (14) presses the flange (20) on the side wall of the pressure gauge body (1).

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