Buffer type dual-redundancy pressure sensor

Abstract

The utility model discloses a buffer type dual-redundancy pressure sensor in the technical field of dual-redundancy pressure sensors, which comprises a dual-redundancy pressure sensor main body, a buffer assembly is arranged on the dual-redundancy pressure sensor main body, the buffer assembly comprises a substrate, the lower end of the substrate is fixedly provided with four groups of extrusion plates, and the two groups of extrusion plates are arranged on the substrate. The four sets of extrusion plates are slidably connected with fixing blocks, one sides of the fixing blocks are fixedly installed on the two sides of the dual-redundancy pressure sensor body, and the base plate is located above the dual-redundancy pressure sensor body and is not attached to the dual-redundancy pressure sensor body when not extruded. The lower end of the base plate is wider than the main body, four sets of extrusion plates connected to the lower end of the base plate can be extruded by the base plate during use and then are slidably connected into convex grooves formed in four sets of fixing blocks, sliding can be facilitated during use, clamping is avoided, and parts on the extrusion plates can work conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of dual-redundancy pressure sensors, in particular to a buffer-type dual-redundancy pressure sensor. Background Art

[0002] Publication (Announcement) No.: CN214621580U. The utility model provides a dual-redundancy pressure sensor buffer structure, including a pressure joint body, a damper and a pressure core, the pressure joint body including a connecting part and a housing part; one end of the housing part is fixedly connected to the connecting part, and the other end is provided with two concave housing cavities; the bottoms of the two housing cavities are respectively connected with a first channel, one end of the two first channels is respectively connected to the bottom of the housing cavity, and the other end is connected to each other; a second channel is connected to the connecting end of the two first channels, one end of the second channel is connected to the connecting end of the first channel, and the other end passes through the connecting part away from the end of the housing part, the damper and the pressure core are sequentially arranged in the housing cavity and fixedly connected to the housing part. The dual-redundancy pressure sensor buffer structure provided by the utility model has a small size, light weight, strong stability and reliability, and effectively prolongs the service life of the pressure sensor. The pressure sensor is a device or apparatus that can sense a pressure signal and convert the pressure signal into an available output electrical signal according to a certain rule.

[0003] Problems with the prior art: If a buffer is provided on the periphery of the pressure sensor, there will be a certain data gap, because some elastic items in the buffer will offset the weight, which will cause inaccurate data during measurement, resulting in a difference with the actual object weight. Utility Model Content

[0004] The purpose of the utility model is to provide a buffer-type dual-redundancy pressure sensor to solve the problem that if a buffer is provided on the periphery of the pressure sensor, there will be a certain data gap. Some elastic items in the buffer will offset the weight, which will cause inaccurate data during measurement, resulting in a difference with the actual object weight.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A buffer type dual-redundancy pressure sensor comprises a dual-redundancy pressure sensor body, a buffer assembly is arranged on the dual-redundancy pressure sensor body, the buffer assembly comprises a base plate, four groups of extrusion plates are fixedly mounted on the lower end of the base plate, and fixed blocks are slidably connected to the four groups of extrusion plates, one side of the fixed block is fixedly mounted on both sides of the dual-redundancy pressure sensor body, a convex groove is opened in the fixed block, and the buffer assembly comprises an auxiliary assembly.

[0007] As a further solution of the utility model: an L-shaped rod is slidably connected in the convex groove, one end of the L-shaped rod is fixedly installed on one side of the extrusion plate, and a compressed air component is arranged at the lower end of the L-shaped rod.

[0008] As a further solution of the utility model: the compressed air assembly includes a landing ring, the upper end of the landing ring is fixedly installed on the lower end of the L-shaped rod, and four groups of through holes are opened on the landing ring.

[0009] As a further solution of the utility model: a half rod is slidably connected to the landing ring, a spring is elastically connected inside the half rod, and the upper end of the spring is elastically connected to the lower end of the landing ring.

[0010] As a further solution of the utility model: a sliding groove is provided on one side of the four groups of fixing blocks.

[0011] As a further solution of the utility model: the auxiliary component includes four groups of elastic rods, the upper ends of the four groups of elastic rods are fixedly installed on the inner wall of the sliding groove, the lower ends of the elastic rods are fixedly installed with connecting rods, the connecting rods are fixedly installed with connecting shafts, and the connecting shafts are provided with telescopic components.

[0012] As a further solution of the utility model: the telescopic assembly includes a telescopic rod, the lower end of the telescopic rod is fixedly mounted on the connecting shaft, the upper end of the telescopic rod is fixedly mounted with a fixing ring, and the fixing ring is fixedly mounted on the lower end of the base plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the substrate is located above the main body of the dual-redundancy pressure sensor, and does not fit with the main body of the dual-redundancy pressure sensor when not squeezed. The lower end of the substrate is wider than the main body, and then the four groups of squeezing plates connected to the lower end can be squeezed by the substrate when in use, and then slidably connected to the convex grooves opened on the four groups of fixed blocks, so that it is easy to slide when in use without getting stuck, and it is also convenient for the parts on the squeezing plate to work.

[0015] 2. In the utility model, the four groups of L-shaped rods are fixed to one side of the four groups of extrusion plates when in use, and can move up and down in the convex groove along with the extrusion plates. Since the lower ends of the four groups of L-shaped rods are provided with compressed air components, the compressed air components can be driven to work when in use.

[0016] 3. In the utility model, four sets of landing rings are fixedly installed at the lower ends of four sets of L-shaped rods. When in use, the four sets of L-shaped rods can drive the four sets of landing rings to move up and down. Since four sets of through holes are provided on the landing rings, the air resistance can be reduced when in use.

[0017] 4. In the utility model, four groups of springs are elastically connected to the lower ends of four groups of landing rings, and the four groups of springs are elastically connected to the half rods. When in use, the design of the half rods can prevent the parts thereon from getting stuck when working, and can play a buffering role by squeezing the springs when following the work of the landing rings.

[0018] 5. In the utility model, the sliding grooves provided on one side of the four sets of fixing blocks can facilitate the auxiliary components to work when in use.

[0019] 6. In the utility model, four groups of elastic rods are fixedly installed on the uppermost inner wall of the sliding groove when in use, and then a group of connecting rods are fixed at the lower ends of every two groups of elastic rods. The connecting rods can play a connecting role when in use, and a connecting shaft is fixedly installed on it. When in use, the telescopic components can be connected and can also play a fixing role.

[0020] 7. In the utility model, the two ends of the telescopic rod are respectively fixed on the connecting shaft and the fixing ring. Since the fixing ring is fixed to the lower end of the base plate, a fixing force can be given, which can play a fixing role when in use, so that it is not easy to fall off. The telescopic rod can play a telescopic role when in use, avoiding the phenomenon of getting stuck during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the buffer component in the utility model;

[0023] Figure 3 yes Figure 2 A schematic diagram of the structure at A;

[0024] Figure 4 It is a structural schematic diagram of the auxiliary components in the utility model.

[0025] In the figure: 1. dual-redundancy pressure sensor body; 2. buffer assembly; 201. substrate; 202. extrusion plate; 203. fixing block; 204. sliding groove; 205. convex groove; 206. L-shaped rod; 207. landing ring; 208. through hole; 209. half rod; 210. spring; 3. auxiliary assembly; 301. fixing ring; 302. telescopic rod; 303. connecting shaft; 304. connecting rod; 305. elastic rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1-2 In an embodiment of the utility model, a buffer-type dual-redundancy pressure sensor includes a dual-redundancy pressure sensor body 1, a buffer component 2 is arranged on the dual-redundancy pressure sensor body 1, the buffer component 2 includes a substrate 201, four groups of extrusion plates 202 are fixedly installed on the lower end of the substrate 201, and fixed blocks 203 are slidably connected on the four groups of extrusion plates 202. One side of the fixed block 203 is fixedly installed on both sides of the dual-redundancy pressure sensor body 1, and a convex groove 205 is opened in the fixed block 203. The buffer component 2 includes an auxiliary component 3.

[0028] Among them, the substrate 201 is located above the dual-redundancy pressure sensor body 1, and does not fit with the dual-redundancy pressure sensor body 1 when not squeezed. The lower end of the substrate 201 is wider than the body, and then the four groups of squeezing plates 202 connected to its lower end can be squeezed by the substrate 201 when in use, and then slidably connected to the convex grooves 205 opened on the four groups of fixed blocks 203. When in use, it can be easy to slide without getting stuck, and it can also facilitate the work of the parts on the squeezing plate 202.

[0029] See also Figures 2-3 An L-shaped rod 206 is slidably connected in the convex groove 205 , one end of the L-shaped rod 206 is fixedly installed on one side of the extrusion plate 202 , and a compressed air assembly is arranged at the lower end of the L-shaped rod 206 .

[0030] Among them, when in use, the four groups of L-shaped rods 206 are fixed to one side of the four groups of extrusion plates 202, and can move up and down in the convex groove 205 following the extrusion plates 202. Since the lower ends of the four groups of L-shaped rods 206 are provided with compressed air components, they can drive the compressed air components to work when in use.

[0031] See also Figure 3 The compressed air assembly includes a landing ring 207 , the upper end of the landing ring 207 is fixedly mounted on the lower end of the L-shaped rod 206 , and four groups of through holes 208 are opened on the landing ring 207 .

[0032] Among them, the four sets of landing rings 207 are fixedly installed at the lower ends of the four sets of L-shaped rods 206. When in use, the four sets of L-shaped rods 206 can drive the four sets of landing rings 207 to move up and down. Since the four sets of through holes 208 are opened on the landing rings 207, the air resistance can be reduced when in use.

[0033] See also Figure 3 A half rod 209 is slidably connected to the landing ring 207, a spring 210 is elastically connected inside the half rod 209, and the upper end of the spring 210 is elastically connected to the lower end of the landing ring 207.

[0034] Among them, the lower ends of the four groups of landing rings 207 are elastically connected to four groups of springs 210, and the four groups of springs 210 are elastically connected to the half rod 209. When in use, the design of the half rod 209 can prevent the parts thereon from getting stuck when working, and can play a buffering role by squeezing the springs 210 when following the work of the landing ring 207.

[0035] See also Figure 2 A sliding groove 204 is provided on one side of the four sets of fixing blocks 203 .

[0036] The sliding groove 204 provided on one side of the four sets of fixing blocks 203 can facilitate the auxiliary component 3 to work when in use.

[0037] See also Figure 4 The auxiliary component 3 includes four groups of elastic rods 305, the upper ends of the four groups of elastic rods 305 are fixedly installed on the inner wall of the sliding groove 204, the lower ends of the elastic rods 305 are fixedly installed with connecting rods 304, the connecting rods 304 are fixedly installed with connecting shafts 303, and the connecting shafts 303 are provided with telescopic components.

[0038] Among them, when in use, four groups of elastic rods 305 are fixedly installed on the uppermost inner wall of the sliding groove 204, and then a group of connecting rods 304 are fixed at the lower ends of every two groups of elastic rods 305. When in use, the connecting rods 304 can play a connecting role, and a connecting shaft 303 is fixedly installed on it, which can connect the telescopic components when in use and can also play a fixing role.

[0039] See also Figure 4The telescopic assembly includes a telescopic rod 302 , the lower end of the telescopic rod 302 is fixedly mounted on the connecting shaft 303 , the upper end of the telescopic rod 302 is fixedly mounted with a fixing ring 301 , and the fixing ring 301 is fixedly mounted on the lower end of the base plate 201 .

[0040] Among them, the two ends of the telescopic rod 302 are respectively fixed on the connecting shaft 303 and the fixing ring 301. Since the fixing ring 301 is fixed to the lower end of the base plate 201, it can give a fixing force, which can play a fixing role when in use, so that it is not easy to fall off. The telescopic rod 302 can play a telescopic role when in use, avoiding the phenomenon of getting stuck during use.

[0041] The working principle of the utility model is as follows: the substrate 201 is located above the dual-redundancy pressure sensor body 1, and does not fit with the dual-redundancy pressure sensor body 1 when not squeezed. The lower end of the substrate 201 is wider than the body, and then the four groups of squeezing plates 202 connected to its lower end can be squeezed by the substrate 201 when in use, and then are slidably connected in the convex grooves 205 provided on the four groups of fixed blocks 203, so that it is easy to slide when in use without getting stuck, and it is also convenient for the parts on the squeezing plates 202 to work. The lower ends of the four groups of landing rings 207 are elastically connected to the four groups of springs 210, and the four groups of springs 210 are elastically connected in the half rod 209. When in use, the design of the half rod 209 can prevent the parts on it from getting stuck when working, and the springs 210 are squeezed when following the landing ring 207 to play a buffering role.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A buffer type dual-redundancy pressure sensor, comprising a dual-redundancy pressure sensor body (1), characterized in that: The dual-redundancy pressure sensor body (1) is provided with a buffer assembly (2), the buffer assembly (2) comprising a base plate (201), four groups of extrusion plates (202) are fixedly mounted on the lower end of the base plate (201), and fixed blocks (203) are slidably connected to the four groups of extrusion plates (202), one side of the fixed block (203) is fixedly mounted on two sides of the dual-redundancy pressure sensor body (1), and a convex groove (205) is provided in the fixed block (203), and the buffer assembly (2) comprises an auxiliary assembly (3).

2. A buffer type dual-redundancy pressure sensor according to claim 1, characterized in that: An L-shaped rod (206) is slidably connected in the convex groove (205), one end of the L-shaped rod (206) is fixedly mounted on one side of the extrusion plate (202), and a compressed air assembly is arranged at the lower end of the L-shaped rod (206).

3. A buffer type dual-redundancy pressure sensor according to claim 2, characterized in that: The compressed air assembly comprises a landing ring (207), the upper end of the landing ring (207) is fixedly mounted on the lower end of the L-shaped rod (206), and four groups of through holes (208) are opened on the landing ring (207).

4. A buffer type dual-redundancy pressure sensor according to claim 3, characterized in that: A half rod (209) is slidably connected to the landing ring (207), a spring (210) is elastically connected inside the half rod (209), and the upper end of the spring (210) is elastically connected to the lower end of the landing ring (207).

5. The buffer type dual-redundancy pressure sensor according to claim 1, characterized in that: A sliding groove (204) is formed on one side of the four groups of fixing blocks (203).

6. The buffer type dual-redundancy pressure sensor according to claim 1, characterized in that: The auxiliary component (3) comprises four groups of elastic rods (305), the upper ends of the four groups of elastic rods (305) are fixedly mounted on the inner wall of the sliding groove (204), the lower ends of the elastic rods (305) are fixedly mounted with connecting rods (304), the connecting rods (304) are fixedly mounted with connecting shafts (303), and the connecting shafts (303) are provided with telescopic components.

7. A buffer type dual-redundancy pressure sensor according to claim 6, characterized in that: The telescopic assembly comprises a telescopic rod (302), the lower end of the telescopic rod (302) is fixedly mounted on a connecting shaft (303), the upper end of the telescopic rod (302) is fixedly mounted with a fixing ring (301), and the fixing ring (301) is fixedly mounted on the lower end of a base plate (201).

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