CN213985469U

CN213985469U - Pressure gauge shell

Info

Publication number: CN213985469U
Application number: CN202120274751.8U
Authority: CN
Inventors: 张阳
Original assignee: Yuyao Henghui Instrument Co ltd
Current assignee: Yuyao Henghui Instrument Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-08-17
Anticipated expiration: 2031-01-30

Abstract

The application relates to a pressure meter shell, which relates to the field of pressure detection devices and comprises a shell main body and an end cover connected with the shell main body; the outer wall of the shell main body is provided with two through holes, and the through holes are symmetrically arranged about the axis of the shell main body; the inner wall of the through hole is connected with an elastic piece which is fixedly connected with the fixing seat in a clamping manner. This application is fixed on the fixing base through with shell main part joint, and this kind of connected mode has the dismouting simple, connects firm characteristics.

Description

Pressure gauge shell

Technical Field

The application relates to the field of pressure detection devices, in particular to a pressure gauge shell.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like.

The manometer among the correlation technique has the shell, and the material of shell is plastics, and the shell of manometer is fixed in the fixed slot of fixing base through glue usually, if the manometer shell takes place to damage the back, is difficult to dismantle.

With respect to the related art in the above, the inventors consider that the pressure gauge housing in the related art is difficult to disassemble.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the manometer shell is difficult to dismantle, this application provides a manometer shell.

The application provides a manometer shell adopts following technical scheme:

a pressure gauge shell comprises a shell main body and an end cover connected with the shell main body; the outer wall of the shell main body is provided with two through holes, and the through holes are symmetrically arranged about the axis of the shell main body; the inner wall of the through hole is connected with an elastic piece which is fixedly connected with the fixing seat in a clamping manner.

Through adopting above-mentioned technical scheme, a manometer shell includes the shell main part, and the through hole has been seted up to the shell main part at the outer wall, and the through hole is connected with the elastic component fixed with the fixing base joint at the inner wall to can fix on the fixing base through with the shell main part joint, this kind of connected mode has the dismouting simple, connects firm characteristics.

Optionally, the elastic piece is an elastic block, and the elastic block is connected to the inner wall of the through hole far away from the end cover; the elastic block is provided with a guide inclined plane matched with the case main body when the case main body is inserted into the fixing groove of the fixing seat, and the elastic block is also provided with a limit for the case main body to be separated from the locking surface of the fixing groove.

Through adopting above-mentioned technical scheme, the elastic component is the elastic block, and when inserting the shell main part in the fixed slot, the direction inclined plane butt of elastic block is on the fixing base, and along with the shell main part continues to insert the fixed slot, the elastic block is towards the inner chamber deformation of shell main part, and until shell main part butt at the tank bottom surface of fixed slot, the elastic block reconversion, the locking face butt of elastic block this moment is on the fixing base, and restriction shell main part is removed in the direction of fixed slot towards deviating from.

Optionally, the locking surface is provided with an anti-falling protrusion.

Through adopting above-mentioned technical scheme, it is protruding to be equipped with the anticreep on the locking face, has to the direction of taking off from the fixed slot when removing as the shell subject, and the protruding butt of anticreep reduces the probability that shell subject deviates from in the fixed slot on the fixing base.

Optionally, a gap exists between the inner wall of the through hole and the elastic block.

Through adopting above-mentioned technical scheme, the inner wall of through hole and elastic block exist the clearance to when the shell main part inserts in the fixed slot, the elastic block can not take place the butt with the shell main part when taking place elastic deformation and interfere, make the elastic block can take place deformation smoothly.

Optionally, the outer wall of the housing main body is further connected with a positioning rib, and the extending direction of the positioning rib is parallel to the axis of the housing main body.

Through adopting above-mentioned technical scheme, the outer wall connection of shell main part has the location muscle, makes things convenient for the connection of shell main part and fixing base to fix.

Optionally, the end cover is close to the terminal surface of shell main part is equipped with fixed bulge loop, the shell main part is close to the terminal surface of end cover is equipped with the confession the fixed annular of fixed bulge loop embedding, the end cover butt is in on the shell main part.

Through adopting above-mentioned technical scheme, the terminal surface that the end cover is close to the shell main part is equipped with fixed bulge loop, and the terminal surface that the shell main part is close to the end cover is equipped with fixed annular, through with fixed bulge loop embedding fixed annular in to the radial movement of restriction end cover and shell main part makes things convenient for follow-up end cover and shell main part to be connected fixedly.

Optionally, the tank bottom face that the shell main part is located fixed annular is equipped with spacing arch, fixed bulge loop is equipped with the confession the spacing groove of spacing protruding embedding.

Through adopting above-mentioned technical scheme, the tank bottom face of shell main part foreign language fixed ring groove is equipped with spacing arch, and fixed bulge loop is equipped with the spacing groove, through inserting spacing arch spacing inslot to realize the circumference locking of shell main part and end cover, make things convenient for follow-up end cover and shell main part's connection fixed.

Optionally, the bottom surface of the housing main body is provided with a through hole penetrating to the inner cavity of the housing main body.

Through adopting above-mentioned technical scheme, the bottom surface of shell main part is equipped with and link up to in the through-hole of its inner chamber, and the through-hole is used for outside pressure pipe to stretch into the inner chamber of shell main part.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a pressure gauge shell comprises a shell main body, wherein a through hole is formed in the outer wall of the shell main body, and an elastic piece clamped and fixed with a fixed seat is connected to the inner wall of the through hole, so that the shell main body can be clamped and fixed on the fixed seat;

2. a pressure gauge shell limits radial movement of an end cover and a shell main body by embedding a fixed convex ring into a fixed ring groove, and realizes circumferential locking of the shell main body and the end cover by inserting a limit bulge into a limit groove, so that the subsequent connection and fixation of the end cover and the shell main body are facilitated;

3. a pressure gauge shell is characterized in that a through hole penetrating into an inner cavity of a shell main body is formed in the bottom surface of the shell main body, and a pressure pipe outside the through hole extends into the inner cavity of the shell main body.

Drawings

Fig. 1 is a schematic structural diagram of a pressure gauge case in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a pressure gauge case in an embodiment of the present application.

Fig. 3 is a schematic structural view of the housing main body.

Fig. 4 is a schematic structural view of the end cap.

Description of reference numerals: 1. a housing main body; 11. abutting the convex ring; 12. a through hole; 13. an elastic block; 131. a guide slope; 132. a locking surface; 1321. the anti-drop bulge; 14. positioning ribs; 15. a through hole; 16. a fixed ring groove; 17. a limiting bulge; 2. an end cap; 21. fixing the convex ring; 211. a limiting groove; 3. a fixed seat; 31. fixing grooves; 32. a locking groove; 33. and (6) positioning a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a pressure gauge shell. Referring to fig. 1, a pressure gauge case includes a case body 1 and an end cap 2 connected to the case body 1, the case body 1 is cylindrical, and the case body 1 has an inner cavity for mounting pressure gauge parts. The housing body 1 is fixed on the fixing base 3 outside, and the fixing base 3 is provided with a fixing groove 31 for inserting the housing body 1.

Referring to fig. 2, the outer wall of the housing body 1 is integrally provided with an abutting convex ring 11 near the opening, and when the housing body 1 is inserted into the fixing groove 31, the end surface of the abutting convex ring 11 abuts against the end surface of the fixing base 3. The outer wall of the housing body 1 is also provided with two through holes 12, and the two through holes 12 are symmetrically arranged about the axis of the housing body 1. One inner wall of the through hole 12 is flush with the end face of the abutment collar 11. The shell body 1 is connected with an elastic part clamped with the fixing seat 3.

Referring to fig. 1 and 2, the elastic member is an elastic block 13, the elastic block 13 is triangular as a whole, one end of the elastic block 13 is integrally connected with the inner wall of the through hole 12 far away from the abutting convex ring 11, and a gap is formed between the elastic block 13 and the inner wall of the through hole 12. The elastic block 13 is obliquely arranged towards the outer side along the direction close to the abutting convex ring 11, one end of the elastic block 13 far away from the abutting convex ring 11 is provided with a guide inclined surface 131 on the outer side, and one end of the elastic block 13 close to the abutting convex ring 11 is provided with a locking surface 132 on the outer side. The inner wall of the fixing seat 3 located on the fixing groove 31 is provided with a locking groove 32 for locking the elastic block 13. When inserting shell main part 1 in fixed slot 31, the direction inclined plane 131 of elastic block 13 butts earlier on the inner wall border of locking groove 32, along with shell main part 1 continues to insert in fixed slot 31, elastic block 13 takes place elastic deformation, make elastic block 13 towards the inner chamber deformation of shell main part 1 until shell main part 1 butt at the tank bottom surface of fixed slot 31, elastic block 13 resumes former state and imbeds in fixed slot 31, locking face 132 butt is on the medial surface of locking groove 32 this moment, restriction shell main part 1 deviates from in fixed slot 31, thereby realize that the joint of shell main part 1 and fixing base 3 is fixed.

Referring to fig. 2, the locking surface 132 is arranged obliquely to the axis of the housing main body 1. The locking surface 132 is provided with an anti-slip bulge 1321, and the anti-slip bulge 1321 is strip-shaped and arranged at intervals along the direction close to the abutting convex ring 11. The probability that the housing body 1 is separated from the fixing groove 31 is reduced by providing the separation preventing protrusion 1321.

Referring to fig. 2, the outer wall of the housing body 1 is integrally provided with a positioning rib 14, and the section of the positioning rib 14 is rectangular. The positioning rib 14 extends from the end surface of the abutment collar 11 to the bottom surface of the housing main body 1, and the extending direction of the positioning rib 14 is arranged in parallel with the axis of the housing main body 1. The inner wall of the fixing seat 3 located on the fixing groove 31 is provided with a positioning groove 33 for inserting the positioning rib 14. The locking of the housing body 1 is achieved by inserting the positioning ribs 14 into the positioning grooves 33 and then inserting the housing body 1 into the continued insertion fixing grooves 31, which facilitates the subsequent insertion of the elastic blocks 13 into the locking grooves 32.

Referring to fig. 3, the housing body 1 is provided with a through hole 15 at the bottom, the through hole 15 penetrates into the inner cavity of the housing body 1, and the through hole 12 is used for an external pressure pipe to extend into the inner cavity of the housing body 1.

Referring to fig. 3 and 4, the housing body 1 and the end cap 2 are fixedly connected, wherein the end cap 2 is cylindrical as a whole, and the diameter of the outer wall of the end cap 2 is equal to the diameter of the outer wall of the abutting convex ring 11. The end cover 2 is integrally provided with a fixed convex ring 21 at the end surface close to the shell main body 1, the fixed convex ring 21 and the end cover 2 are coaxially arranged, and the diameter of the outer wall of the fixed convex ring 21 is smaller than that of the outer wall of the end cover 2. The diameter of the inner wall of the fixing collar 21 is equal to the diameter of the inner wall of the housing body 1. The end face of the shell main body 1 close to the end cover 2 is provided with a fixed ring groove 16 for embedding a fixed convex ring 21, and the fixed ring groove 16 is arranged coaxially with the shell main body 1. The radial locking of the fixing lug 21 and the housing body 1 is achieved by fitting the fixing lug 21 into the fixing ring groove 16.

The bottom surface of the shell body 1, which is positioned on the fixed ring groove 16, is provided with a limit protrusion 17, and the fixed convex ring 21 is provided with a limit groove 211 for inserting the limit protrusion 17. By inserting the stopper projection 17 into the stopper groove 211, circumferential locking of the housing main body 1 and the end cap 2 is achieved. When the housing body 1 and the end cap 2 are connected, the fixing protrusion ring 21 abuts against the groove bottom surface of the fixing ring groove 16. The end cap 2 abuts against the end face of the housing main body 1, and the housing main body 1 and the end cap 2 are fixed by ultrasonic plastic welding.

The implementation principle of the pressure gauge shell in the embodiment of the application is as follows: when the shell body 1 is installed on the fixed seat 3, the shell body 1 is inserted into the fixed groove 31, and the elastic block 13 is deformed and then restored and is embedded into the locking groove 32 to realize locking; when the housing body 1 needs to be taken off from the fixing seat 3, the housing body 1 is pulled out from the fixing groove 31 by gripping the outer wall of the abutting convex ring 11 and exerting outward force, and at the moment, the elastic block 13 is deformed and separated from the fixing groove 31, so that the housing body 1 can be taken out from the fixing groove 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pressure gauge shell, its characterized in that: comprises a shell main body (1) and an end cover (2) connected with the shell main body (1); the outer wall of the shell main body (1) is provided with two through holes (12), and the through holes (12) are symmetrically arranged about the axis of the shell main body (1); the inner wall of the through hole (12) is connected with an elastic piece which is fixedly connected with the fixed seat (3) in a clamping way.

2. A pressure gauge housing according to claim 1, wherein: the elastic piece is an elastic block (13), and the elastic block (13) is connected to the inner wall, far away from the end cover (2), of the through hole (12); elastic block (13) be equipped with shell main part (1) insert fixed slot (31) of fixing base (3) time matched with direction inclined plane (131), elastic block (13) still are equipped with the restriction shell main part (1) deviate from in locking face (132) of fixed slot (31).

3. A pressure gauge housing according to claim 2, wherein: the locking surface (132) is provided with an anti-falling bulge (1321).

4. A pressure gauge housing according to claim 3, wherein: a gap exists between the inner wall of the through hole (12) and the elastic block (13).

5. A pressure gauge housing according to claim 4, wherein: the outer wall of the shell main body (1) is further connected with a positioning rib (14), and the extending direction of the positioning rib (14) is parallel to the axis of the shell main body (1).

6. A pressure gauge housing according to claim 5, wherein: end cover (2) are close to the terminal surface of shell main part (1) is equipped with fixed bulge loop (21), shell main part (1) is close to the terminal surface of end cover (2) is equipped with the confession fixed annular (16) of fixed bulge loop (21) embedding, end cover (2) butt is in on the shell main part (1).

7. A pressure gauge housing according to claim 6, wherein: the tank bottom that shell main part (1) is located fixed ring groove (16) is equipped with spacing arch (17), fixed bulge loop (21) are equipped with the confession spacing groove (211) that spacing arch (17) were embedded into.

8. A pressure gauge housing according to claim 7, wherein: the bottom surface of the shell main body (1) is provided with a through hole (15) penetrating to the inner cavity of the shell main body.