Instrument waterproof structure

Abstract

The utility model relates to the technical field of instrument and meter waterproofing, and provides an instrument and meter waterproof structure which comprises a lower shell. The clamping groove is formed in the top end of the lower shell, one side of the inner wall of the clamping groove is fixedly connected with a first sealing gasket, and the other side of the inner wall of the Susearch clamping groove is fixedly connected with a second sealing gasket; the bolt holes are formed in the two sides of the top end of the lower shell; the upper shell is movably connected to the top end of the lower shell, a clamping plate is fixedly connected to the bottom end of the upper shell, and reserved grooves are formed in the two sides of the top end of the upper shell; the fixing bolt is movably connected to the inner bottom wall of the reserved groove, the fixing bolt is limited and prevented from loosening through the arranged anti-loosening assembly and the elastic ring, the situation that the tightness and firmness of connection and installation of the upper shell and the lower shell are affected due to thread loosening of the fixing bolt is avoided, and then a first sealing gasket, a cavity, a sealing bag and a second sealing gasket are used for sealing the upper shell and the lower shell. Multiple sealing between the upper shell and the lower shell after installation is achieved, and the waterproof sealing effect between the upper shell and the lower shell after installation and connection is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of instrument waterproof, specifically relates to a kind of instrument waterproof structure. BACKGROUND

[0002] Instrument is the basic equipment in scientific and technical field, for measuring, control and monitoring various physical quantities and chemical quantities, its variety is numerous, is more important force to promote the development of science and technology, and because instrument and meter are internally provided with a large number of sensors and precision electronic components etc., thus need to have higher requirement to its own waterproofness, avoid when using, the water vapor of outside enters to cause the damage of circuit.

[0003] Through the search, the existing patent (announcement number: CN210639165U) discloses a kind of waterproof and moisture-proof structure of measuring instrument, including shell main body, the shell main body is composed of shell one and shell two, the shell one both ends are all penetrated and arranged fastening mounting hole, the shell one both sides are all equipped with first reinforcing rib in the inside, the shell one both ends are all equipped with sealing assembly, the sealing assembly includes open sealing groove, the sealing groove is embedded in shell one, and sealing piece is arranged in sealing groove, the surface of one side of sealing piece is coated with silicon grease layer.The utility model discloses a sealing assembly is arranged on shell one, can be coated with silicon grease layer on the surface of one side of sealing piece before shell one and shell two are assembled, when shell one and shell two are assembled, sealing piece is in close contact with shell one and shell two and has certain pressure to reach sealing, while silicon grease layer is automatically filled in the sealing surface of poor contact under the action of pressure, fills the excess gap in the sealing groove of installation sealing piece, improves sealing effect, to ensure that waterproof and moisture-proof effect is good.

[0004] But in the above scheme, the sealing of gap after the installation of upper and lower shell is realized by sealing piece, but single sealing piece is difficult to ensure long-term and good sealing, and the long-term use of bolt has the possibility of loosening, cannot guarantee that upper and lower shell have enough close pressure, in turn will make the deformation amount of rubber part not enough, affect the sealing effect between shell, reduce overall waterproofness.

[0005] In view of this, the utility model provides a kind of instrument waterproof structure. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of instrument waterproof structure, solve the problem of poor sealing effect in relevant technology.

[0007] The utility model discloses a technical scheme as follows: A waterproof structure of instrument and apparatus, including lower casing, the clamping groove of setting in the lower casing top, one side fixedly connected with first sealing washer of clamping groove inner wall, the other side fixedly connected with second sealing washer of clamping groove inner wall, the bolt hole of setting in the lower casing top both sides, the upper casing of swing joint in the lower casing top, the bottom fixedly connected with the clamping plate of upper casing, the both sides of the upper casing top are equipped with the reserved slot, the fixed bolt of swing joint in the reserved slot inner bottom wall, the fixed bolt bottom end penetrates upper casing and with the inside between bolt hole constitutes the screw thread cooperation structure, the lock assembly of assembling in the upper casing top both sides, the lock assembly is used for the limited pressure of fixed bolt top.

[0008] The lock assembly comprises: a fixed groove is formed in the top of the upper shell on both sides, a limiting groove extending to the outside of the upper shell is formed on one side of the top of the fixed groove; a fixed spring is fixedly connected to the inner wall of the fixed groove, one end of the fixed spring is fixedly connected to a lock block extending into the inside of the reserved slot; a lever is fixedly connected to one side of the top of the lock block, the top of the lever penetrates the limiting groove and extends to the outside of the upper shell.

[0009] Preferably, the lever is T-shaped, and a sliding structure is formed between the lever and the inside of the limiting groove.

[0010] Preferably, a sliding groove is formed in the inner wall of the fixed groove, and two ends of one side of the lock block are fixedly connected to sliding blocks that slidingly fit with the inside of the sliding groove.

[0011] Preferably, the bottom end of the lock block is attached to the nut at the top end of the fixed bolt, and the length of the lock block is less than the length of the inside of the sliding groove.

[0012] Preferably, an elastic ring is fixedly connected to the surface of the nut of the fixed bolt, and the elastic ring is O-shaped.

[0013] Preferably, a sealing plate is fixedly connected to the lower end of the inner wall of the upper shell, and the lower end of one side of the sealing plate is beveled.

[0014] Preferably, a sealing capsule is fixedly connected to the upper end of the inner wall of the lower shell, a cavity is formed in the inside of the second sealing washer, and the inside of the cavity is in communication with the inside of the sealing capsule through a conduit.

[0015] Preferably, a clamping structure is formed between the clamping plate and the inside of the clamping groove, and the clamping plate and the clamping groove are H-shaped.

[0016] The utility model discloses the beneficial effect is:

[0017] The utility model discloses utilize, improve the clamping antiskid nature of nut surface and inner wall, utilize the elasticity simultaneously, make the sliding restore original position, the top of the opposite end is positioned and is pressed tightly, avoid the firm stability of the installation between being affected with the thread loosening, and further can avoid the sealing property caused by the installation loosening and the deformation amount not enough and cause, and the installation is carried out after the firm stability of the installation between is improved,

[0018] The utility model discloses in and install after, the outer wall can be shielded and close to the inner wall after and install, realize the preliminary shielding of the inner wall after and install, and after clamping to the inside, improve the sealing property of both sides and the inner wall through and, and will make the deformation, and then through the air delivery of inside partial air to the inside through the pipe, and then make the expansion and the outer wall close, further improve the sealing effect of the inner wall after and install, and then can improve the sealing waterproof effect after and install through multiple sealing structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0020] Figure 1 It is the front view structure schematic drawing of the utility model;

[0021] Figure 2 It is the front view section explosion structure schematic drawing of the utility model;

[0022] Figure 3 It is the structure schematic drawing of lower shell of the utility model place;

[0023] Figure 4 It is the partial section explosion structure schematic drawing of the utility model's anti-loose component place;

[0024] Figure 5 It is the Figure 2 Enlarged structure schematic drawing of A place in the utility model;

[0025] Figure 6 It is the Figure 4 Enlarged structure schematic drawing of B place in the utility model.

[0026] In the drawing: 1, upper shell; 2, anti-loose component; 201, push rod; 202, anti-loose block; 203, sliding block; 204, fixed spring; 205, fixed slot; 206, sliding slot; 207, limiting slot; 3, lower shell; 4, reserved slot; 5, sealing plate; 6, clamping plate; 7, bolt hole; 8, first sealing gasket; 9, elastic ring; 10, fixed bolt; 11, clamping slot; 12, cavity; 13, sealing capsule; 14, second sealing gasket. PREFERRED EMBODIMENT

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0028] The preferable implementation example of the waterproof structure of the instrument is provided in the utility model, as shown in the figure Figures 1 to 6 As shown: a waterproof structure of instrument, including lower shell 3;The clamping groove 11 is opened in the top end of the lower shell 3, and the inner wall of the clamping groove 11 is fixedly connected with the first sealing gasket 8 on one side, and the inner wall of the clamping groove 11 is fixedly connected with the second sealing gasket 14 on the other side;The bolt hole 7 is opened in the top end of the lower shell 3 on both sides;The upper shell 1 is movably connected in the top end of the lower shell 3, and the bottom end of the upper shell 1 is fixedly connected with the clamping plate 6, and the top end of the upper shell 1 is provided with the reserved slot 4 on both sides;The fixed bolt 10 is movably connected in the bottom wall of the reserved slot 4, and the bottom end of the fixed bolt 10 penetrates the upper shell 1 and forms a threaded structure with the inside of the bolt hole 7;The lock assembly 2 is assembled in the top end of the upper shell 1 on both sides, and the lock assembly 2 is used for limiting and pressing the top end of the fixed bolt 10.

[0029] The lock assembly 2 comprises: the fixed slot 205 is opened in the top end of the upper shell 1 on both sides, and the fixed slot 205 is opened with the limiting slot 207 extending to the outside of the upper shell 1 on one side of the top end;The fixed spring 204 is fixedly connected in the inner wall of the fixed slot 205, and one end of the fixed spring 204 is fixedly connected with the lock block 202 extending to the inside of the reserved slot 4;The push rod 201 is fixedly connected on one side of the top end of the lock block 202, and the top end of the push rod 201 penetrates the limiting slot 207 and extends to the outside of the upper shell 1.

[0030] In the embodiment, the fixed bolt 10 is inserted into the inside of the reserved slot 4 and screwed into the inside of the bolt hole 7, and then the elastic force of the fixed spring 204 is used to make the lock block 202 slide to the original position, so that the top end of the fixed bolt 10 can be limited and pressed.

[0031] In the further preferable embodiments of the utility model, the shape of the push rod 201 is T-shaped, and the push rod 201 and the inside of the limiting slot 207 form a sliding structure.

[0032] In the embodiment, the T-shaped push rod 201 is used to facilitate the back and forth sliding of the lock block 202.

[0033] In the further preferable embodiments of the utility model, the inner wall of the fixed slot 205 is provided with the sliding groove 206, and the two ends of one side of the lock block 202 are fixedly connected with the sliding block 203 which is slidingly matched with the inside of the sliding groove 206.

[0034] In the embodiment, the stability of the back-and-forth sliding of the anti-loosening block 202 is improved by sliding of the sliding block 203 inside the sliding groove 206.

[0035] In the further preferred embodiment of the utility model, the bottom end of the anti-loosening block 202 is attached to the nut of the top end of the fixing bolt 10, and the length of the anti-loosening block 202 is less than the length inside the sliding groove 206.

[0036] In the embodiment, the anti-loosening block 202 has enough moving space due to the longer sliding groove 206, so that it is completely separated from the reserved groove 4.

[0037] In the further preferred embodiment of the utility model, the surface of the nut of the fixing bolt 10 is fixedly connected with the elastic ring 9, and the shape of the elastic ring 9 is O-shaped.

[0038] In the embodiment, the elastic ring 9 is used to improve the clamping and anti-sliding property of the surface of the nut of the fixing bolt 10 and the inner wall of the reserved groove 4.

[0039] In the further preferred embodiment of the utility model, the lower end of the inner wall of the upper shell 1 is fixedly connected with the sealing plate 5, and the lower end of one side of the sealing plate 5 is inclined.

[0040] In the embodiment, the sealing plate 5 is used so that after the upper shell 1 and the lower shell 3 are installed, the outer wall of the sealing plate 5 can shield and tightly attach to the inner wall after installation of the upper shell 1 and the lower shell 3, thereby realizing the preliminary shielding and sealing of the inner wall after installation of the upper shell 1 and the lower shell 3.

[0041] In the further preferred embodiment of the utility model, the upper end of the inner wall of the lower shell 3 is fixedly connected with the sealing capsule 13, the inside of the second sealing gasket 14 is provided with the cavity 12, and the inside of the cavity 12 is communicated with the inside of the sealing capsule 13 through the conduit.

[0042] In the embodiment, insertion of the clamping plate 6 into the inside of the clamping groove 11 will cause the second sealing gasket 14 to deform, thereby causing the cavity 12 to be stressed and deformed, part of the air inside the cavity 12 is transported to the inside of the sealing capsule 13 through the conduit, thereby causing the sealing capsule 13 to expand and tightly attach to the outer wall of the sealing plate 5, and further improving the sealing effect of the sealing plate 5 and the inner wall after installation of the upper shell 1 and the lower shell 3.

[0043] In the further preferred embodiment of the utility model, the inside of the clamping plate 6 and the clamping groove 11 forms a clamping structure, and the shapes of the clamping plate 6 and the clamping groove 11 are H-shaped.

[0044] In the embodiment, the clamping of the H-shaped clamping plate 6 and the inside of the clamping groove 11 is used to improve the firmness and stability of the preliminary clamping and installation of the upper shell 1 and the lower shell 3.

[0045] The utility model discloses a work principle: first, the card board 6 is inserted to the card slot 11 inside, then through the poking of the lever 201, the anti-loosening block 202 is driven to slide in the fixed groove 205 inside and compresses the fixed spring 204 to completely enter the fixed groove 205 inside, after that, the fixed bolt 10 is inserted into the reserved groove 4 inside and is screwed into the bolt hole 7 inside, realizes the firm installation between the upper casing 1 and lower casing 3, and utilizes the elastic ring 9, improves the clamping anti -skid property of fixed bolt 10 nut surface and the reserved groove 4 inner wall, simultaneously again loosens the lever 201, utilizes the elastic force of fixed spring 204, makes the anti-loosening block 202 slide to restore the original position, and then can carry out the limit compression of fixed bolt 10 top, further avoids the fixed bolt 10 and influences the tight firmness of the installation between upper casing 1 and lower casing 3 that the thread loosens,

[0046] Meanwhile after the installation of upper casing 1 and lower casing 3, the sealing plate 5 outer wall can shield the inner wall after the installation of upper casing 1 and lower casing 3, realizes the preliminary shielding sealing of the inner wall after the installation of upper casing 1 and lower casing 3, after the card plate 6 is inserted to the card slot 11 inside, through first sealing gasket 8 and second sealing gasket 14, improve the sealing property of card plate 6 both sides and the inner wall of card slot 11, and will make second sealing gasket 14 deformation, then through the pipeline, part of the air in cavity 12 is transported to the inside of sealed capsule 13, then makes sealed capsule 13 swell and tightly stick to the outer wall of sealing plate 5, further improves the sealing effect of sealing plate 5 and the inner wall after the installation of upper casing 1 and lower casing 3, then can pass through multiple sealing structure, improves the sealing waterproof effect after the installation of upper casing 1 and lower casing 3.

[0047] The above is only the preferable embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An apparatus and instrument waterproof structure, characterized by, Include: Lower shell (3); The clamping groove (11) is arranged at the top end of the lower shell (3), one side of the inner wall of the clamping groove (11) is fixedly connected with the first sealing gasket (8), and the other side of the inner wall of the clamping groove (11) is fixedly connected with the second sealing gasket (14); The bolt hole (7) is arranged at the top end of the lower shell (3); The upper shell (1) is movably connected to the top end of the lower shell (3), the bottom end of the upper shell (1) is fixedly connected with the clamping plate (6), and the top end of the upper shell (1) is provided with a reserved slot (4) on both sides; The fixed bolt (10) is movably connected to the inner bottom wall of the reserved slot (4), the bottom end of the fixed bolt (10) penetrates the upper shell (1) and forms a threaded structure with the inside of the bolt hole (7); The anti-loosening assembly (2) is assembled at the top end of the upper shell (1), and the anti-loosening assembly (2) is used for limiting and pressing the top end of the fixed bolt (10); The anti-loosening assembly (2) comprises: The fixed slot (205) is arranged at the top end of the upper shell (1), and the top end of the fixed slot (205) is provided with a limiting slot (207) extending to the outside of the upper shell (1); The fixed spring (204) is fixedly connected to the inner wall of the fixed slot (205), one end of the fixed spring (204) is fixedly connected with the anti-loosening block (202) extending to the inside of the reserved slot (4); The push rod (201) is fixedly connected to one side of the top end of the anti-loosening block (202), the top end of the push rod (201) penetrates the limiting slot (207) and extends to the outside of the upper shell (1).

2. An apparatus and instrument waterproof structure according to claim 1, wherein The shape of the push rod (201) is T-shaped, and the push rod (201) and the inside of the limiting slot (207) form a sliding structure.

3. An apparatus and instrument waterproof structure according to claim 1, wherein The inner wall of the fixed slot (205) is provided with a sliding groove (206), and the two ends of one side of the anti-loosening block (202) are fixedly connected with the sliding blocks (203) which are in sliding fit with the inside of the sliding groove (206).

4. An apparatus and instrument waterproof structure according to claim 3, wherein The bottom end of the anti-loosening block (202) is attached to the nut of the top end of the fixed bolt (10), and the length of the anti-loosening block (202) is less than the length of the inside of the sliding groove (206).

5. An apparatus and instrument waterproof structure according to claim 1, wherein The surface of the nut of the fixed bolt (10) is fixedly connected with the elastic ring (9), and the shape of the elastic ring (9) is O-shaped.

6. An apparatus and instrument waterproof structure according to claim 1, wherein The lower end of the inner wall of the upper shell (1) is fixedly connected with the sealing plate (5), and the lower end of one side of the sealing plate (5) is inclined.

7. An apparatus and instrument waterproof structure according to claim 1, wherein The upper end of the inner wall of the lower shell (3) is fixedly connected with the sealing bag (13), the inside of the second sealing gasket (14) is provided with a cavity (12), and the inside of the cavity (12) is communicated with the inside of the sealing bag (13) through a conduit.

8. An apparatus and instrument waterproof structure according to claim 1, wherein The inside of the clamping plate (6) and the inside of the clamping groove (11) form a clamping structure, and the shape of the clamping plate (6) and the clamping groove (11) is a back-shaped.

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