Sanitary diaphragm pressure gauge

The clamp-type structure design with seamless welding connection solves the problem of dirt accumulation in pressure gauges in the food, medical and hygiene fields, and enables quick loading and unloading and efficient cleaning, meeting hygiene requirements.

CN223910393UActive Publication Date: 2026-02-13CHONGQING KUNLUN INSTR CO LTD
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Patent Information

Application Number
CN202520576397.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-13
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Existing pressure gauges are prone to accumulating dirt and grime in the food, medical, and hygiene sectors, which can affect hygiene and safety.

Method used

It adopts a clip-type structure with seamless welding connection, including pressure gauge head, upper clamp and lower clamp. The isolation diaphragm is seamlessly welded to the upper clamp. The fluid conduction channel design facilitates quick cleaning and prevents dirt accumulation.

Benefits of technology

It enables quick installation, removal, and cleaning of pressure gauges. The isolation diaphragm has a high degree of smoothness, meets hygiene requirements, reduces dirt accumulation, and improves cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223910393U_ABST
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Abstract

The utility model relates to a diaphragm pressure gauge, in particular to a sanitary diaphragm pressure gauge. Comprising a pressure gauge head and an upper clamping seat, the pressure gauge head is connected with the upper clamping seat, a seat bottom of the upper clamping seat is provided with an isolation diaphragm, and the isolation diaphragm is connected with a seat bottom shell of a lower clamping seat in a seamless welding mode; the conducting liquid is arranged above the isolation diaphragm, and the measuring medium is arranged below the isolation diaphragm; the sanitary diaphragm pressure gauge adopting the scheme has the advantages of better sanitation and cleanness and convenience in clamping.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a diaphragm pressure gauge, in particular to a sanitary diaphragm pressure gauge. BACKGROUND

[0002] The sanitary diaphragm pressure gauge is mainly applied to the industrial field of higher safety and hygiene requirement such as food, medical treatment, sanitation etc. The common pressure gauge is mainly screw thread continuous mode, and the screw thread part is easy to hide dirt, which influences the sanitation safety. There is also a flange type installation and connection pressure gauge, and the several bolts of the flange are also easy to hide dirt area. SUMMARY

[0003] The utility model intends to provide a sanitary diaphragm pressure gauge which is not easy to hide dirt and is more sanitary.

[0004] The sanitary diaphragm pressure gauge in the scheme, including pressure gauge head and upper clamp seat, pressure gauge head with upper clamp seat is connected, the seat bottom of upper clamp seat is equipped with isolation diaphragm, and the seamless welding mode is connected between isolation diaphragm and the seat bottom shell of upper clamp seat.

[0005] Further, it further includes lower clamp seat, and the upper clamp seat and the lower clamp seat are used for clamping on the pipeline to be detected. The lower clamp seat is the installation structure field of user's on-site process pipeline, and the upper clamp seat and the lower clamp seat are combined into a clamp and clamped on the pipeline to be detected through the clamp.

[0006] Further, the upper clamp seat is provided with a conductive liquid channel above the isolation diaphragm, the bottom end of the conductive liquid channel is communicated to the isolation diaphragm, the other end is communicated to the pressure gauge head, and the conductive liquid flows in the conductive liquid channel.

[0007] Further, the upper clamp seat and the lower clamp seat are provided with a sealing gasket.

[0008] Further, a vacuum pumping hole is formed in one side of the seat body of the upper clamp seat, the vacuum pumping hole is communicated with the conductive liquid channel, and the vacuum pumping hole is sealed by using a sealing plug.

[0009] Further, the middle of the isolation diaphragm is a wave-shaped structure, and the end of the isolation diaphragm is fixedly connected to the edge of the seat bottom shell of the upper clamp seat in a seamless welding mode.

[0010] Further, the connection between the pressure gauge head and the upper clamp seat is fixedly connected in a seamless welding mode.

[0011] Further, the conducting liquid channel comprises a contact cavity, a main liquid pipe and an external connecting pipe, the contact cavity is located in the lower part of the upper clamp holder, the bottom of the contact cavity contacts the upper surface of the isolation diaphragm, the bottom end of the main liquid pipe is communicated with the contact cavity, and the top end is communicated into the pressure gauge head, and the external connecting pipe is communicated with the main liquid pipe and the vacuum pumping hole in two ends.

[0012] Further, the external connecting pipe and the contact cavity are further provided with a secondary liquid pipe.

[0013] The utility model discloses a kind of clamps formula's quick clamping mode, main features have:

[0014] 1. Clamp formula is quickly, conveniently disassembled, so as to be able to quickly wash;

[0015] 2. The liquid component of the lower isolation diaphragm is higher in finish, meets the condition of sanitary cleaning, and is also easy to be quickly blown and washed clean;

[0016] 3. Diaphragm and clamp are seamless welding, and welding is smooth, easy to clean and not easy to hide dirt;

[0017] 4. The head of pressure gauge and the lower sanitary isolation device are seamless welding, compared with ordinary screw connection mode, more convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure diagram of sanitary diaphragm pressure gauge of the utility model;

[0019] Fig. 2 It is the installation structure diagram of sanitary diaphragm pressure gauge of the utility model;

[0020] Fig. 3 It is Fig. 2 Enlarged view of A place;

[0021] Fig. 4 It is Fig. 3 Enlarged view of B place.

[0022] In the drawing, 1 is pressure gauge head, 2 is upper clamp holder, 3 is lower clamp holder, 4 is sealing gasket, 5 is isolation diaphragm, 6 is conducting liquid, 7 is measuring medium, 8 is conducting liquid channel, 9 is vacuum pumping hole, 10 is sealing plug, 8-1 is contact cavity, 8-2 is main liquid pipe, 8-3 is external connecting pipe, 8-4 is secondary liquid pipe DETAILED DESCRIPTION

[0023] The utility model is further explained in detail in connection with the drawings and specific implementation mode:

[0024] According to Figs. 1 to 4As shown, the sanitary diaphragm pressure gauge in the scheme comprises a pressure gauge head 1, an upper clamp seat 2, a lower clamp seat 3 and a sealing gasket 4, the pressure gauge head 1 is connected with the upper clamp seat 2, in the embodiment, the connection between the pressure gauge head 1 and the upper clamp seat 2 is fixedly connected in a seamless welding mode, the head of the pressure gauge and the lower sanitary isolation device are welded seamlessly, compared with the common threaded connection mode, it is more convenient to clean.

[0025] The upper clamp seat 2 and the lower clamp seat 3 are used for clamping on a pipeline to be detected, the sealing gasket 4 is between the upper clamp seat 2 and the lower clamp seat 3, specifically, the upper clamp seat 2, the lower clamp seat 3 and the sealing gasket 4 are assembled together, the lower clamp seat 3 is the installation structure of the user's on-site process pipeline, the upper clamp seat 2 and the lower clamp seat 3 are combined into a clamp, and the clamp is clamped on the pipeline to be detected through a clamp, the clamp type is fast and convenient to assemble and disassemble, so that it can be quickly cleaned.

[0026] The seat bottom of the upper clamp seat 2 is provided with an isolation diaphragm 5, the isolation diaphragm 5 is connected with the seat bottom shell of the lower clamp seat 3 through a seamless welding mode, in the embodiment, the middle of the isolation diaphragm 5 is a wave-shaped structure, the end of the isolation diaphragm 5 is fixedly connected with the edge of the seat bottom shell of the upper clamp seat 2 in a seamless welding mode. The liquid contacting part of the lower isolation diaphragm 5 has high smoothness, meets the sanitary cleaning condition, and is also easy to be quickly and completely blown and washed; the diaphragm and the clamp are welded seamlessly, the welding seam is smooth, and it is convenient to clean and not easy to hide dirt.

[0027] The upper clamp seat 2 above the isolation diaphragm 5 is provided with a conductive liquid passage 8, the bottom end of the conductive liquid passage 8 is communicated to the isolation diaphragm 5, the other end is communicated to the pressure gauge head 1, and the conductive liquid 6 flows in the conductive liquid passage 8.

[0028] A vacuum pumping hole 9 is formed in one side of the seat body of the upper clamp seat 2, the vacuum pumping hole 9 is communicated with the conductive liquid passage 8, and the vacuum pumping hole 9 is sealed by using a sealing plug 10.

[0029] The conductive liquid passage 8 comprises a contact cavity 8-1, a main liquid pipe 8-2 and an outer connecting pipe 8-3, the contact cavity 8-1 is located in the lower part of the upper clamp seat 2, and the bottom of the contact cavity 8-1 contacts the upper surface of the isolation diaphragm 5; the bottom end of the main liquid pipe 8-2 is communicated with the contact cavity 8-1, and the top end is communicated to the pressure gauge head 1; the two ends of the outer connecting pipe 8-3 are communicated with the main liquid pipe 8-2 and the vacuum pumping hole 9. The outer connecting pipe 8-3 and the contact cavity 8-1 are further provided with a secondary liquid pipe 8-4. The contact cavity 8-1 is used for making the conductive liquid 6 contact the isolation diaphragm 5 in a large area, and the main liquid pipe 8-2 sends the conductive liquid 6 to the pressure gauge head 1 for measurement.

[0030] The above only is the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of variations and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application.

Claims

1. A sanitary diaphragm pressure gauge comprising a pressure gauge head and an upper clamp, said pressure gauge head being connected to said upper clamp, characterized in that: The seat bottom of the upper clamp base is provided with an isolation diaphragm, which is connected with the seat bottom shell of the upper clamp base by seamless welding; the upper side of the isolation diaphragm is a conductive liquid, and the lower side of the isolation diaphragm is a measuring medium.

2. The sanitary diaphragm pressure gauge according to claim 1, characterized in that: The upper clamp base and the lower clamp base are used for clamping on a pipeline to be detected.

3. The sanitary diaphragm pressure gauge of claim 1, wherein: The upper clamp base is provided with a conductive liquid channel above the isolation diaphragm, the bottom end of the conductive liquid channel is communicated with the isolation diaphragm, the other end is communicated with the pressure gauge head, and the conductive liquid flows in the conductive liquid channel.

4. The sanitary diaphragm pressure gauge of claim 2, wherein: The upper clamp base and the lower clamp base are provided with a sealing gasket.

5. The sanitary diaphragm pressure gauge of claim 3, wherein: The seat body of the upper clamp base is provided with a vacuum pumping hole on one side, the vacuum pumping hole is communicated with the conductive liquid channel, and the vacuum pumping hole is sealed by a sealing plug.

6. The sanitary diaphragm pressure gauge of claim 1, wherein: The middle of the isolation diaphragm is a wave-shaped structure, and the end of the isolation diaphragm is fixedly connected with the edge of the seat bottom shell of the upper clamp base in a seamless welding manner.

7. The sanitary diaphragm pressure gauge of claim 1, wherein: The connection between the pressure gauge head and the upper clamp base is fixedly connected in a seamless welding manner.

8. The sanitary diaphragm pressure gauge of claim 5, wherein: The conductive liquid channel comprises a contact cavity, a main liquid pipe and an external connecting pipe, the contact cavity is located in the lower part of the upper clamp base, and the bottom of the contact cavity contacts the upper surface of the isolation diaphragm; The bottom end of the main liquid pipe is communicated with the contact cavity, and the top end is communicated with the pressure gauge head; the two ends of the external connecting pipe are communicated with the main liquid pipe and the vacuum pumping hole.

9. The sanitary diaphragm pressure gauge of claim 8, wherein: The external connecting pipe and the contact cavity are further provided with a secondary liquid pipe. The external connecting pipe and the contact cavity are further provided with a secondary liquid pipe.