Fluid medium pressure gauge with double chamber buffer structure
By designing a fluid medium pressure gauge with a dual-chamber buffer structure, using a double-layer shell and buffer components, the problem of easy damage in traditional pressure gauges is solved, achieving higher structural strength and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGYA INSTR CHANGSHU CITY
- Filing Date
- 2025-08-05
- Publication Date
- 2026-07-07
AI Technical Summary
Traditional fluid pressure gauges have a single-layer plastic casing, which is easily damaged by external forces and impacts, affecting accuracy and service life.
Design a fluid medium pressure gauge with a dual-cavity buffer structure, which adopts a double-layer shell and buffer assembly, including an outer plastic shell, an inner plastic shell, an elastic strip, a convex damper and a buffer spring. The structural strength and buffer performance are improved by the cooperation of the buffer assembly.
It effectively prevents damage to the internal components of the pressure gauge, and improves the service life and resistance to external impacts of the pressure gauge.
Smart Images

Figure CN224471192U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of pressure gauge technology and relates to a fluid medium pressure gauge with a dual-chamber buffer structure. Background Technology
[0002] The working principle of a fluid pressure gauge is mainly based on the deformation of an elastic element. When the pressure of the fluid being measured acts on the elastic element of the pressure gauge, the elastic element will undergo elastic deformation. This deformation is amplified and transmitted through a mechanical transmission mechanism, ultimately causing the pointer to indicate the corresponding pressure value on the dial.
[0003] Traditional fluid pressure gauges typically have a single-layer plastic casing. When subjected to external forces or impacts, this can easily damage internal components, affecting the gauge's accuracy and lifespan. To address this issue, we designed a fluid pressure gauge with a dual-chamber buffer structure. Summary of the Invention
[0004] The purpose of this invention is to provide a fluid medium pressure gauge with a dual-chamber buffer structure to solve the problems mentioned in the background art.
[0005] The objective of this utility model can be achieved through the following technical solution: A fluid medium pressure gauge with a dual-cavity buffer structure includes a pressure gauge connecting seat, a pressure gauge body is fixedly installed at the top of the pressure gauge connecting seat, a pressure gauge outer shell is fixedly installed on the surface of the pressure gauge body, a transparent mirror block is fixedly installed on the front of the pressure gauge outer shell, the pressure gauge outer shell is composed of a rear shell, a connecting collar and a front shell, the rear shell and the front shell are respectively nested and connected to both sides of the connecting collar, and a buffer component is provided at the connection between the rear shell and the front shell and the connecting collar.
[0006] In the fluid medium pressure gauge with a dual-chamber buffer structure described above, both the rear shell and the front shell are composed of an outer plastic shell, elastic strips, and an inner plastic shell. The inner plastic shell is nested inside the outer plastic shell, and multiple elastic strips are fixedly arranged at equal intervals between the outer plastic shell and the inner plastic shell.
[0007] In the above-mentioned fluid medium pressure gauge with a dual-cavity buffer structure, the buffer assembly includes two convex dampers and a buffer spring. One of the convex dampers is fixedly connected to the side wall of the connecting collar, and the other convex damper is fixedly connected to the inner wall of the pressure gauge housing. A buffer spring is fixedly installed between the two convex dampers.
[0008] In the fluid medium pressure gauge with a dual-chamber buffer structure described above, limit grooves are provided on both sides of the top and bottom of the connecting collar, and pins are inserted into the top and bottom of the rear and front housings, with the ends of the pins inserted into the limit grooves.
[0009] In the fluid medium pressure gauge with a dual-chamber buffer structure described above, sealing rings are nested at the connection points between the connecting collar and the rear and front housings.
[0010] In the aforementioned fluid medium pressure gauge with a dual-chamber buffer structure, flanges are fixedly provided at both ends of the pressure gauge connecting seat, and assembly holes are provided on the surfaces of both flanges.
[0011] Compared with the prior art, the advantages of the fluid medium pressure gauge with a dual-chamber buffer structure of this utility model are as follows: the outer shell of the pressure gauge is made up of a double-layered rear shell and a front shell, and multiple buffer components are provided at the connection between the front shell and the rear shell and the connecting collar. Through the cooperation of the buffer components, not only is the structural strength of the pressure gauge outer shell improved, but also the buffering performance of the pressure gauge outer shell is improved. When the pressure gauge outer shell is subjected to external impact, it effectively ensures that the internal components of the pressure gauge are not damaged, thereby improving the service life of the pressure gauge. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of a fluid medium pressure gauge with a dual-chamber buffer structure according to the present invention.
[0013] Figure 2 This is a schematic diagram of the outer shell structure of a fluid medium pressure gauge with a dual-cavity buffer structure according to the present invention.
[0014] Figure 3 This is a schematic diagram of the connecting ring connection structure of a fluid medium pressure gauge with a dual-chamber buffer structure according to this utility model.
[0015] Figure 4 This utility model relates to a fluid medium pressure gauge with a dual-chamber buffer structure. Figure 3 Enlarged view of a portion of point A in the middle.
[0016] In the diagram, 1. Pressure gauge connector; 2. Pressure gauge body; 201. Rear housing; 202. Connecting collar; 203. Front housing; 204. Outer plastic housing; 205. Elastic strip; 206. Inner plastic housing; 207. Limiting groove; 208. Pin; 209. Convex damper; 210. Buffer spring; 3. Transparent mirror block. Detailed Implementation
[0017] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0018] like Figure 1-4 As shown, this utility model discloses a fluid medium pressure gauge with a dual-cavity buffer structure, including a pressure gauge connecting seat 1. A pressure gauge body 2 is fixedly installed on the top of the pressure gauge connecting seat 1. A pressure gauge outer shell is fixedly installed on the surface of the pressure gauge body 2. A transparent mirror block 3 is fixedly installed on the front of the pressure gauge outer shell. The pressure gauge outer shell is composed of a rear shell 201, a connecting collar 202, and a front shell 203. The rear shell 201 and the front shell 203 are nested and connected to both sides of the connecting collar 202, respectively. A buffer assembly is provided at the connection between the rear shell 201 and the front shell 203 and the connecting collar 202.
[0019] Specifically, the pressure gauge housing is constructed with a double-layered rear housing 201 and a front housing 203. Multiple buffer components are provided at the connection points between the front housing 203, the rear housing 201, and the connecting collar 202. These buffer components not only enhance the structural strength of the pressure gauge housing but also improve its buffering performance. When the pressure gauge housing is subjected to external impact, this effectively ensures that the internal components of the pressure gauge are not damaged, thus extending the service life of the pressure gauge.
[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the present invention discloses a fluid medium pressure gauge with a dual-cavity buffer structure. The rear housing 201 and the front housing 203 are both composed of an outer plastic shell 204, elastic strips 205 and an inner plastic shell 206. The inner plastic shell 206 is nested inside the outer plastic shell 204, and multiple elastic strips 205 are fixedly arranged at equal intervals between the outer plastic shell 204 and the inner plastic shell 206.
[0021] Specifically, the structural strength of the pressure gauge is improved by the combination of the outer plastic shell 204, the inner plastic shell 206, and the elastic strip 205.
[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model discloses a fluid medium pressure gauge with a dual-cavity buffer structure. The buffer assembly includes two convex dampers 209 and a buffer spring 210. One convex damper 209 is fixedly connected to the side wall of the connecting collar 202, and the other convex damper 209 is fixedly connected to the inner wall of the pressure gauge housing. A buffer spring 210 is fixedly installed between the two convex dampers 209.
[0023] Specifically, by setting up the buffer component, the front housing 203 and the rear housing 201 have a better buffering effect with the connecting collar 202, which improves the anti-collision performance of the pressure gauge housing.
[0024] Limiting grooves 207 are provided on both sides of the top and bottom of the connecting collar 202. Pins 208 are inserted into the top and bottom of the rear housing 201 and the front housing 203, with the end of the pin 208 inserted into the inside of the limiting groove 207.
[0025] Specifically, the cooperation between the pin 208 and the limiting groove 207 ensures the secure connection between the connecting collar 202 and the front housing 203 and the rear housing 201, preventing the front housing 203 and the rear housing 201 from separating from the connecting collar 202.
[0026] The connecting collar 202 is nested with sealing rings at the connection points with the rear housing 201 and the front housing 203.
[0027] Specifically, the sealing ring improves the sealing performance at the connection between the connecting collar 202 and the rear housing 201 and the front housing 203.
[0028] Flanges are fixed at both ends of the pressure gauge connection seat 1, and assembly holes are opened on the surface of both flanges.
[0029] Specifically, the flange facilitates the connection between the pressure gauge body and the pipeline.
[0030] In practice, during use, the pressure gauge is first connected to the connecting pipe via a flange. The outer shell of the pressure gauge is formed by a double-layered rear shell 201 and a front shell 203. At the connection between the front shell 203, the rear shell 201, and the connecting collar 202, multiple buffer components are provided. The buffering is achieved by a convex damper 209 and a buffer spring 210, which not only improves the structural strength of the pressure gauge outer shell but also enhances its buffering performance. When the pressure gauge outer shell is subjected to external impact, it effectively ensures that the internal components of the pressure gauge are not damaged, thus extending the service life of the pressure gauge.
[0031] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.
Claims
1. A fluid medium pressure gauge with a dual-chamber buffer structure, comprising a pressure gauge connector (1), a pressure gauge body (2) fixedly mounted on the top of the pressure gauge connector (1), a pressure gauge outer shell fixedly mounted on the surface of the pressure gauge body (2), and a transparent mirror block (3) fixedly mounted on the front of the pressure gauge outer shell, characterized in that, The pressure gauge housing consists of a rear housing (201), a connecting collar (202), and a front housing (203). The rear housing (201) and the front housing (203) are nested and connected to both sides of the connecting collar (202), and a buffer assembly is provided at the connection between the rear housing (201) and the front housing (203) and the connecting collar (202).
2. A fluid medium pressure gauge with a dual-chamber buffer structure according to claim 1, characterized in that, The rear shell (201) and the front shell (203) are both composed of an outer plastic shell (204), elastic strips (205) and an inner plastic shell (206). The inner plastic shell (206) is nested inside the outer plastic shell (204). Multiple elastic strips (205) are fixedly arranged at equal intervals between the outer plastic shell (204) and the inner plastic shell (206).
3. A fluid medium pressure gauge with a dual-chamber buffer structure according to claim 1, characterized in that, The buffer assembly includes two convex dampers (209) and a buffer spring (210). One of the convex dampers (209) is fixedly connected to the side wall of the connecting collar (202), and the other convex damper (209) is fixedly connected to the inner wall of the pressure gauge housing. A buffer spring (210) is fixedly installed between the two convex dampers (209).
4. A fluid medium pressure gauge with a dual-chamber buffer structure according to claim 3, characterized in that, Limiting grooves (207) are provided on both sides of the top and bottom of the connecting collar (202). Pins (208) are inserted into the top and bottom of the rear housing (201) and the front housing (203). The end of the pin (208) is inserted into the inside of the limiting groove (207).
5. A fluid medium pressure gauge with a dual-chamber buffer structure according to claim 1, characterized in that, The connecting collar (202) is nested with sealing rings at the connection points with the rear housing (201) and the front housing (203).
6. A fluid medium pressure gauge with a dual-chamber buffer structure according to claim 1, characterized in that, Both ends of the pressure gauge connector (1) are fixed with flanges, and the surfaces of the two flanges are provided with assembly holes.