阅读说明：本技术 一种压力传感器检测装置 (Pressure sensor detection device ) 是由 袁炼红 穆元彬 龚大墉 高黎 于 2021-07-27 设计创作，主要内容包括：本发明公开了一种压力传感器检测装置,其结构包括连接板、扣合板、压力机构、导向杆、底座,所述连接板外侧设有扣合板,并且压力机构上端与扣合板中端相固定,通过两侧的内斜板同时往放置机构上的压力传感器外侧进行贴近,这时抵触片对压力传感器外侧两端进行弹性抵触,避免压力板在对压力传感器下压进行压力检测的过程中发生倾斜下沉,压力传感器竖直的安装在放置腔内部,通过下滑块在弹簧杆上进行弹性下滑,带动了下压环整体进行平稳的下降,避免压力传感器下端的螺纹与内螺纹发生磨损,通过压杆在弹簧管套内部进行缓冲下压,吸盘与压力传感器底面进行真空贴合,确保压力传感器底部与下沉板进行竖直固定。(The invention discloses a pressure sensor detection device, which structurally comprises a connecting plate, a buckling plate, a pressure mechanism, a guide rod and a base, wherein the buckling plate is arranged on the outer side of the connecting plate, the upper end of the pressure mechanism is fixed with the middle end of the buckling plate, the pressure mechanism is simultaneously approached to the outer side of a pressure sensor on a placing mechanism through inner inclined plates on two sides, then an abutting contact piece elastically abuts against the two ends of the outer side of the pressure sensor, the pressure plate is prevented from inclining and sinking in the process of pressing down the pressure sensor for pressure detection, the pressure sensor is vertically arranged in a placing cavity, and elastically slides down on a spring rod through a lower sliding block, so that a lower pressing ring is driven to stably descend integrally, the abrasion of threads and internal threads at the lower end of the pressure sensor is avoided, the pressure rod is used for buffering and pressing down in a spring pipe sleeve, and a sucker is in vacuum fit with the bottom surface of the pressure sensor, the bottom of the pressure sensor and the sinking plate are ensured to be vertically fixed.)

1. The utility model provides a pressure sensor detection device, its structure includes connecting plate (1), buckling plate (2), pressure mechanism (3), guide bar (4), base (5), connecting plate (1) outside is equipped with buckling plate (2) to pressure mechanism (3) upper end is fixed mutually with buckling plate (2) middle-end, pressure mechanism (3) lower extreme is established at base (5) up end middle part, guide bar (4) top adopts clearance fit to run through inside connecting plate (1), guide bar (4) lower extreme and base (5) up end looks welding, its characterized in that:

the pressure mechanism (3) comprises a pressing mechanism (31) and a placing mechanism (32), the lower end of the pressing mechanism (31) penetrates through the middle end of the buckling plate (2), the pressing mechanism (31) is located right above the placing mechanism (32), and the bottom of the placing mechanism (32) is fixed with the upper end face of the base (5).

2. A pressure sensor testing device according to claim 1, wherein: the pressing mechanism (31) comprises a pressure plate (311), a sliding block (312) and a butting mechanism (313), the lower end of the pressure plate (311) penetrates through the middle end of the buckling plate (2), the sliding block (312) is installed inside the outer side end of the pressure plate (311) in a sliding mode, the sliding block (312) is welded with the inner side end of the butting mechanism (313), and the butting mechanism (313) is located on the outer side of the lower end of the pressure plate (311).

3. A pressure sensor testing device according to claim 2, wherein: conflict mechanism (313) include limiting plate (13 a), connecting axle (13 b), interior swash plate (13 c), support contact (13 d), limiting plate (13 a) inboard surface is fixed mutually with slider (312) to limiting plate (13 a) are located the pressure plate (311) lower extreme outside, limiting plate (13 a) are inboard to be articulated mutually with interior swash plate (13 c) upper end through connecting axle (13 b), interior swash plate (13 c) medial extremity including supporting contact (13 d) adoption clearance fit installation.

4. A pressure sensor testing device according to claim 1, wherein: place mechanism (32) including bottom plate (321), place chamber (322), locking mechanism (323), buffer gear (324), bottom plate (321) bottom surface is fixed with base (5) up end middle part to bottom plate (321) upper end is equipped with places chamber (322), locking mechanism (323) slidable mounting is inside placing chamber (322), buffer gear (324) are established at bottom plate (321) up end to buffer gear (324) are located and are placed inside chamber (322), buffer gear (324) are located under locking mechanism (323).

5. The pressure sensor detecting device according to claim 4, wherein: locking mechanism (323) are including clamping ring (23 a), internal thread (23 b), lower slider (23 c), spring beam (23 d) down, clamping ring (23 a) are located and place chamber (322) inboard down to clamping ring (23 a) inboard surface is equipped with internal thread (23 b) down, clamping ring (23 a) outside end welding has lower slider (23 c) down to spring beam (23 d) upper end adopts clearance fit to run through inside lower slider (23 c), spring beam (23 d) fixed mounting is inside placing chamber (322), clamping ring (23 a) are located directly over buffer gear (324) down.

6. The pressure sensor detecting device according to claim 5, wherein: buffer gear (324) are including sinking board (24 a), depression bar (24 b), spring pipe box (24 c), expansion hose (24 d), sucking disc (24 e), it is equipped with depression bar (24 b) to sink board (24 a) bottom surface down to depression bar (24 b) lower extreme is installed inside spring pipe box (24 c), it is equipped with expansion hose (24 d) to sink board (24 a) bottom middle-end, sucking disc (24 e) are established at sinking board (24 a) up end down, and sucking disc (24 e) link up with expansion hose (24 d) mutually.

Technical Field

The invention relates to the field of sensor detection, in particular to a pressure sensor detection device.

Background

After the pressure sensor is produced, the pressure sensor needs to be pressurized and detected, the pressure sensor is vertically placed on a detection device, then a standard pressure source is used for driving the lower pressure plate to descend, pressure is applied to the sensor, according to the magnitude of the pressure and the variation of the output signal, the sensor is calibrated and detected, but because the lower end of the pressure sensor is of a threaded rod structure and is arranged in the detection device through a screw, the contact area between the vertically arranged pressure sensor and the lower pressing plate is small, and in the process of pressing down the lower pressing plate, easily causes the pressure sensor to generate inclined sinking on the detection device, reduces the vertical pressure applied by the lower pressure plate to the pressure sensor, therefore, the accuracy of pressure detection is reduced, and meanwhile, the threaded rod structure at the lower end of the pressure sensor and the threads inside the detection device generate large pressing friction, so that the threaded rod at the lower end of the pressure sensor is abraded.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: the pressure sensor detection device structurally comprises a connecting plate, a buckling plate, a pressure mechanism, a guide rod and a base, wherein the buckling plate is arranged on the outer side of the connecting plate, the upper end of the pressure mechanism is fixed with the middle end of the buckling plate, the lower end of the pressure mechanism is arranged in the middle of the upper end face of the base, the top of the guide rod penetrates through the connecting plate in a clearance fit mode, the lower end of the guide rod is welded with the upper end face of the base, the pressure mechanism comprises a pressing mechanism and a placing mechanism, the lower end of the pressing mechanism penetrates through the middle end of the buckling plate, the pressing mechanism is located right above the placing mechanism, and the bottom of the placing mechanism is fixed with the upper end face of the base.

As a further improvement of the present invention, the pressing mechanism includes a pressure plate, sliders, and abutting mechanisms, the lower end of the pressure plate penetrates through the middle end of the buckling plate, the sliders are slidably mounted inside the outer ends of the pressure plate, the sliders are welded to the inner ends of the abutting mechanisms, the abutting mechanisms are located on the outer side of the lower end of the pressure plate, the number of the abutting mechanisms is two, and the two abutting mechanisms are located on the left and right ends of the outer side of the pressure plate, and the inner surface of each abutting mechanism is provided with three sliders.

As a further improvement of the invention, the abutting mechanism comprises a limiting plate, a connecting shaft, an inner inclined plate and an abutting contact piece, the inner side surface of the limiting plate is fixed with the slider, the limiting plate is positioned outside the lower end of the pressure plate, the inner side of the limiting plate is hinged with the upper end of the inner inclined plate through the connecting shaft, the abutting contact piece is installed at the inner side end of the inner inclined plate in a clearance fit mode, the inner inclined plate is installed at the inner side of the limiting plate in an inclined angle with the outer side end higher than the inner side end lower, and a spring is further arranged at the connecting position of the abutting contact piece and the inner inclined plate.

As a further improvement of the invention, the placing mechanism comprises a bottom plate, a placing cavity, a locking mechanism and a buffering mechanism, wherein the bottom surface of the bottom plate is fixed with the middle part of the upper end surface of the base, the placing cavity is arranged at the upper end of the bottom plate, the locking mechanism is slidably mounted in the placing cavity, the buffering mechanism is arranged on the upper end surface of the bottom plate and is positioned in the placing cavity, the buffering mechanism is positioned right below the locking mechanism, and the bottom plate and the placing cavity are vertically arranged at an angle.

As a further improvement of the invention, the locking mechanism comprises a lower pressing ring, internal threads, a lower sliding block and two spring rods, wherein the lower pressing ring is positioned inside the placing cavity, the internal threads are arranged on the inner side surface of the lower pressing ring, the lower sliding block is welded at the outer side end of the lower pressing ring, the upper end of each spring rod penetrates through the inside of the corresponding lower sliding block in a clearance fit manner, the spring rods are fixedly installed inside the placing cavity, the lower pressing ring is positioned right above the buffer mechanism, the internal threads are matched with the external threads at the lower end of the pressure sensor, and the two lower sliding blocks and the two spring rods are respectively arranged on the left side and the right side of the lower pressing ring.

As a further improvement of the invention, the buffer mechanism comprises a sinking plate, a pressure rod, a spring pipe sleeve, a flexible hose and a sucker, wherein the pressure rod is arranged on the bottom surface of the sinking plate, the lower end of the pressure rod is arranged in the spring pipe sleeve, the flexible hose is arranged at the middle end of the bottom of the sinking plate, the sucker is arranged on the upper end surface of the sinking plate and communicated with the flexible hose, the four pressure rods and the four spring pipe sleeves are respectively arranged on four directions of the bottom of the sinking plate, and the flexible hose is of a fold structure and made of rubber and has certain resilience.

The invention has the beneficial effects that:

1. connect through the rotation of connecting axle to make the inclination of interior swash plate change, interior swash plate through both sides presses close to toward the pressure sensor outside of placing on the mechanism simultaneously, at this moment supports the contact and carries out elasticity conflict to pressure sensor outside both ends, ensures to support the contact and closely contradict to pressure sensor outside both ends, avoids the pressure plate to push down the in-process that carries out pressure measurement to pressure sensor and takes place to incline to sink, ensures that the pressure plate carries out vertical push down to detect pressure sensor.

2. The pressure sensor is vertically installed in the placing cavity, the lower sliding block elastically slides down on the spring rod, the lower pressing ring is driven to be integrally and stably lowered, abrasion of threads and internal threads at the lower end of the pressure sensor is avoided, the lower pressing block is used for buffering and pressing the spring pipe sleeve, the sucking disc is in vacuum fit with the bottom surface of the pressure sensor, the bottom of the pressure sensor is vertically fixed with the sinking plate, and the pressure sensor is prevented from sinking obliquely after being subjected to pressure.

Drawings

Fig. 1 is a schematic structural diagram of a pressure sensor detection device according to the present invention.

Fig. 2 is a schematic structural diagram of a pressure mechanism according to the present invention.

Fig. 3 is a schematic top view of the pressing mechanism according to the present invention.

Fig. 4 is a schematic top view of a collision mechanism according to the present invention.

Fig. 5 is a schematic diagram of the internal structure of a placement mechanism of the present invention.

Fig. 6 is a schematic perspective view of a locking mechanism according to the present invention.

Fig. 7 is a schematic structural diagram of a buffer mechanism according to the present invention.

In the figure: the device comprises a connecting plate-1, a buckling plate-2, a pressure mechanism-3, a guide rod-4, a base-5, a pressing mechanism-31, a placing mechanism-32, a pressure plate-311, a sliding block-312, an abutting mechanism-313, a limiting plate-13 a, a connecting shaft-13 b, an inner inclined plate-13 c, an abutting sheet-13 d, a bottom plate-321, a placing cavity-322, a locking mechanism-323, a buffering mechanism-324, a pressing ring-23 a, an internal thread-23 b, a lower sliding block-23 c, a spring rod-23 d, a sinking plate-24 a, a pressing rod-24 b, a spring pipe sleeve-24 c, a telescopic hose-24 d and a sucker-24 e.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 4:

the invention discloses a pressure sensor detection device which structurally comprises a connecting plate 1, a buckling plate 2, a pressure mechanism 3, a guide rod 4 and a base 5, wherein the buckling plate 2 is arranged on the outer side of the connecting plate 1, the upper end of the pressure mechanism 3 is fixed with the middle end of the buckling plate 2, the lower end of the pressure mechanism 3 is arranged in the middle of the upper end face of the base 5, the top of the guide rod 4 penetrates through the connecting plate 1 in a clearance fit mode, the lower end of the guide rod 4 is welded with the upper end face of the base 5, the pressure mechanism 3 comprises a pressing mechanism 31 and a placing mechanism 32, the lower end of the pressing mechanism 31 penetrates through the middle end of the buckling plate 2, the pressing mechanism 31 is located right above the placing mechanism 32, and the bottom of the placing mechanism 32 is fixed with the upper end face of the base 5.

The pressing mechanism 31 includes a pressure plate 311, a slider 312, and a collision mechanism 313, the lower end of the pressure plate 311 penetrates through the middle end of the buckling plate 2, the slider 312 is slidably mounted inside the outer end of the pressure plate 311, the slider 312 is welded to the inner end of the collision mechanism 313, the collision mechanism 313 is located outside the lower end of the pressure plate 311, the number of the collision mechanisms 313 is two, and the collision mechanisms are located at the left and right ends of the outer side of the pressure plate 311, the three sliders 312 are disposed on the inner surface of each collision mechanism 313, so that the collision mechanisms 313 can slide up and down on the outer side of the pressure plate 311, and the collision mechanisms 313 can slide up and down on the outer side of the placing mechanism 32 during the pressing process of the pressure plate 311.

Wherein, conflict mechanism 313 includes limiting plate 13a, connecting axle 13b, interior swash plate 13c, conflict piece 13d, limiting plate 13a inboard surface is fixed mutually with slider 312 to limiting plate 13a is located the pressure plate 311 lower extreme outside, limiting plate 13a is inboard to be articulated mutually through connecting axle 13b and interior swash plate 13c upper end, swash plate 13c medial extremity including contact piece 13d adopts clearance fit to install, interior swash plate 13c is the high inclination that medial extremity is in the outside and installs at limiting plate 13a inboardly, does benefit to and inclines to contradict to the pressure sensor who places on the mechanism 32, contact piece 13d still is equipped with the spring with the inside junction of interior swash plate 13c, does benefit to including contact piece 13d and carries out elastic extrusion to ensure that contact piece 13d closely contradicts to the pressure sensor outside.

The specific use mode and function of the embodiment are as follows:

in the invention, the lower end of the pressure sensor is arranged in the placing mechanism 32, then the pressure plate 311 is driven by the pressure source at the outer side to press downwards, in the process of pressing downwards, the lower end of the limit plate 13a is abutted against the outer side of the placing mechanism 32, so that the sliding block 312 slides in the outer side end of the pressure plate 311, the height of the limit plate 13a is adjusted, at the moment, the lower end of the limit plate 13a is connected by the rotation of the connecting shaft 13b, so that the inclination angle of the inner inclined plate 13c is changed, the inner inclined plates 13c at two sides simultaneously approach to the outer side of the pressure sensor on the placing mechanism 32, at the moment, the abutting piece 13d elastically abuts against the two outer ends of the pressure sensor, the abutting piece 13d is ensured to tightly abut against the two outer ends of the pressure sensor, and the equal abutting force is exerted on the two outer ends of the pressure sensor, so as to avoid the pressure plate 311 from inclining and sinking in the process of pressing downwards the pressure sensor, the pressure plate 311 is ensured to perform vertical depression detection of the pressure sensor.

Example 2:

as shown in fig. 5 to 7:

the placing mechanism 32 comprises a bottom plate 321, a placing cavity 322, a locking mechanism 323 and a buffer mechanism 324, the bottom surface of the bottom plate 321 is fixed with the middle part of the upper end surface of the base 5, the placing cavity 322 is arranged at the upper end of the bottom plate 321, the locking mechanism 323 is slidably mounted inside the placing cavity 322, the buffer mechanism 324 is arranged on the upper end surface of the bottom plate 321, the buffer mechanism 324 is located inside the placing cavity 322, the buffer mechanism 324 is located under the locking mechanism 323, and the bottom plate 321 and the placing cavity 322 are mounted at a vertical angle, so that the pressure sensor is vertically mounted inside the placing cavity 322.

Wherein, locking mechanism 323 includes clamping ring 23a, internal thread 23b, lower slider 23c, spring beam 23d down, clamping ring 23a is located and places the chamber 322 inboardly down, and clamping ring 23a inboard surface is equipped with internal thread 23b down, the welding of clamping ring 23a outside end has lower slider 23c down, and spring beam 23d upper end adopts clearance fit to run through inside lower slider 23c, spring beam 23d fixed mounting is placing inside the chamber 322 down, clamping ring 23a is located directly over buffer gear 324 down, internal thread 23b matches with the external screw thread of pressure sensor lower extreme, does benefit to pressure sensor lower extreme screw thread and installs inside clamping ring 23a down, clamping ring 23c and spring beam 23d all are equipped with two down, establish respectively in the clamping ring 23a left and right sides down, ensure that clamping ring 23a can drive pressure sensor and place the inside vertical steady decline of chamber 322, thereby enabling the pressure sensor to perform stable vertical sinking buffering.

Wherein, buffer gear 324 includes sinking plate 24a, depression bar 24b, spring tube box 24c, flexible hose 24d, sucking disc 24e, sinking plate 24a bottom surface is equipped with depression bar 24b, and depression bar 24b lower extreme is installed inside spring tube box 24c, sinking plate 24a bottom middle end is equipped with flexible hose 24d, sucking disc 24e is established at sinking plate 24a up end, and sucking disc 24e is linked up with flexible hose 24d, depression bar 24b and spring tube box 24c all are equipped with four, and establish respectively in four positions of sinking plate 24a bottom, do benefit to sinking the buffering to sinking plate 24a, flexible hose 24d is the fold type structure to adopt the rubber material, have certain resilience, do benefit to changing inside atmospheric pressure when stretching out and drawing back, thereby make sucking disc 24e and pressure sensor bottom carry out the vacuum laminating, the bottom of the pressure sensor is ensured to be vertically fixed with the sinking plate 24a, and the pressure sensor is prevented from sinking obliquely after being pressurized.

The specific use mode and function of the embodiment are as follows:

in the invention, the lower end of the pressure sensor is screwed into the lower pressure ring 23a, the outer thread at the lower end of the pressure sensor is in thread matching with the inner thread 23b, so that the pressure sensor is vertically arranged in the placing cavity 322, the pressure sensor receives a downward pressure in the process of pressure detection, the lower slider 23c elastically slides down on the spring rod 23d, the lower pressure ring 23a is driven to stably descend integrally, the thread at the lower end of the pressure sensor and the inner thread 23b are prevented from being worn, the bottom surface of the pressure sensor presses down the lower sinking plate 24a, the pressure rod 24b buffers the inner part of the spring pipe sleeve 24c to press down, and the flexible hose 24d elastically contracts, so that the suction cup 24e is in vacuum fit with the bottom surface of the pressure sensor, and the bottom of the pressure sensor is ensured to be vertically fixed with the lower sinking plate 24a, the pressure sensor is prevented from generating inclined sinking after being pressurized.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.