Protective force balance accelerometer

Abstract

The utility model relates to the technical field of force balance accelerometers, in particular to a protection type force balance accelerometer which comprises a bottom plate, a protection shell is installed at the top end of the bottom plate, an accelerometer body is fixedly installed at the top end of the bottom plate, and a protection mechanism is arranged on the outer wall of the accelerometer body. Through the arrangement of the protection mechanism, the fixing plate can be clamped on the accelerometer main body through a U-shaped structure, the fixing plate can protect the accelerometer through the cooperation of a protection block, two telescopic rods and a compression spring, and the fixing plate is fixed on the accelerometer. A first protection plate on the inner wall of the fixing plate and a second protection plate on the outer wall of the fixing plate conduct damping protection on the accelerometer, a fixing ring is clamped to one end of the fixing plate through cooperation of a groove in a fixing block and a clamping block to fix the fixing plate, one side of the clamping block is in an arc shape, the clamping block can be conveniently clamped and fixed, the accelerometer can be effectively protected, and the service life of the accelerometer is prolonged. And the impact force on the accelerometer is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to force balance accelerometer technical field, especially a kind of protective force balance accelerometer. BACKGROUND

[0002] Accelerometer is the instrument for measuring linear acceleration of carrier, and is composed of detection mass (also known as sensitive mass), support, potentiometer, spring, damper and shell. Among them, the accelerometer for measuring aircraft overload is one of the earliest aircraft instruments to be applied.

[0003] Through the search Chinese patent "a high sealing performance watertight accelerometer", announcement number "CN222394075U", the patent is fixed with the base through the protective cover, the spring one end is fixed with the connecting head, the other end is in contact with the inner wall of protective cover, then the two clamps outside protective cover are moved close to each other through hand handle and are clamped, so that protective pad wraps the surface of electrical connection wire, at this time, the two clamps are positioned through the limiting block and limiting slot, when accelerometer is used in vibration and pulling, the electrical connection wire in protective cover is kept stationary through the limiting of clamp, even if the electrical connection wire can be stretched and retracted elastically through spring in the case of loosening of clamp, play the purpose of buffering and shock absorption, effectively achieve the effect that accelerometer will not cause loosening phenomenon between electrical connection wire and accelerometer due to pulling in vibration, but the protective effect of protective cover and protective pad on force balance accelerometer is not ideal when the device is subjected to external impact, force balance accelerometer is easily damaged, it is inconvenient to effectively protect force balance accelerometer, and the use effect of the device is reduced.

[0004] Therefore, a protective force balance accelerometer is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims to solve the above problems and provides a protective force balance accelerometer, which improves the problem of inconvenient effective protection of force balance accelerometer.

[0006] The utility model discloses a kind of protective force balance accelerometers, including bottom plate, the top of the bottom plate is equipped with protective shell, the top of the bottom plate is fixedly installed with accelerometer main body, the outer wall of the accelerometer main body is provided with protection mechanism;Among them, the protection mechanism includes several fixed plates evenly arranged and clamped in the outer wall of accelerometer main body, the both ends of the inner wall of the fixed plate are slidably connected with protection block, two telescopic rods are fixedly connected between the inner wall of the one end of the protection block and fixed plate, the outer wall of the telescopic rod is sleeved with compression spring, fixed plate is U-shaped clamped on accelerometer main body, and the telescopic rod and compression spring can be stably supported to accelerometer main body by the protection block at both ends thereof, and the impact force received by accelerometer can be absorbed by compression spring, and the force absorbed by compression spring can be dispersed by cooperating with telescopic rod, and accelerometer can be protected.

[0007] Preferably, the protection mechanism further comprises a fixing ring arranged at both ends of the accelerometer main body, the outer wall of the fixing ring is hingedly connected with a plurality of uniformly arranged fixing blocks, the recesses in the inner wall of the fixing blocks are fixedly connected with clamping blocks, one end of the clamping blocks is clamped to the inner wall of one side of the fixed plate, the fixing ring can be clamped to one end of the fixed plate through the recesses on the fixing blocks of the outer wall, and the plurality of fixed plates can be limited in position by being clamped into the recesses on the fixed plate through the clamping blocks, thereby improving the protection effect of the fixed plate on the accelerometer.

[0008] Preferably, the inner wall of the fixed plate is fixedly connected with a first protective plate, the first protective plate is in close contact with the outer wall of the accelerometer main body, the first protective plate can protect the accelerometer and reduce the abrasion of the accelerometer by the fixed plate.

[0009] Preferably, the outer wall of the fixed plate is fixedly connected with a second protective plate, the second protective plate is in close contact with the inner wall of the protective shell, and the second protective plate in contact with the protective shell can fix the accelerometer and reduce the impact force received by the accelerometer.

[0010] Preferably, a cloth-pressed bakelite is arranged at both ends of the accelerometer main body, the cloth-pressed bakelite can fix the accelerometer and reduce the vibration of the accelerometer.

[0011] Preferably, the top of the inner wall of the protective shell is fixedly connected with a silica gel ring, the silica gel ring is in contact with the cable, the cable can be protected, and the sealing performance of the accelerometer is improved.

[0012] Preferably, a plurality of uniformly arranged fixed bolts are threadedly connected to the bottom end of the outer wall of the protective shell, one end of the fixed bolt penetrates through the protective shell and is threadedly connected with the bottom plate, and the protective shell is installed on the bottom plate through the fixed threaded bolts.

[0013] The utility model discloses the beneficial effect is:

[0014] 1, by setting the protection mechanism, in the use of force balance accelerometer, the fixed plate can be connected in the accelerometer body through the U-shaped structure, the fixed plate can protect the accelerometer through the protection block and two telescopic rods and compression springs, and the fixed plate is fixed on the accelerometer, the first protection plate in the fixed plate wall and the second protection plate on the outer wall can protect the accelerometer from shock, the fixed ring is connected at one end of the fixed plate through the groove on the fixed block and the clamping block, which is convenient for clamping and fixing, and can effectively protect the accelerometer from impact.

[0015] 2, by setting the cloth clamping rubberwood and silica gel ring, in the use of force balance accelerometer, the fixed plate at the top of the accelerometer can be fixed and limited through the cooperation with the protection shell, the cloth clamping rubberwood can improve the stability of the accelerometer, the protection shell can improve the sealing performance of the accelerometer, and the protection shell can be installed on the bottom plate through the fixing bolt, so as to improve the use effect of the accelerometer. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the appearance structure schematic view of the utility model;

[0017] Figure 2 It is the protection mechanism structure schematic view of the utility model;

[0018] Figure 3 It is the local structure schematic view of the protection mechanism of the utility model;

[0019] Figure 4 It is Figure 3 the enlarged view in figure.

[0020] In the figure: 1, bottom plate; 2, protection shell; 3, accelerometer body; 4, protection mechanism; 401, fixed plate; 402, protection block; 403, telescopic rod; 404, compression spring; 405, fixed ring; 406, fixed block; 407, clamping block; 408, first protection plate; 409, second protection plate; 410, cloth clamping rubberwood; 411, silica gel ring; 412, fixing bolt. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] In specific implementation: as Figures 1-4As shown in the figure, a protective force balance accelerometer, the bottom plate 1, the top end of the bottom plate 1 is provided with a protective shell 2, the top end of the bottom plate 1 is fixedly provided with an accelerometer body 3, the outer wall of the accelerometer body 3 is provided with a protection mechanism 4; wherein, the protection mechanism 4 includes a plurality of evenly arranged and clamped on the outer wall of the accelerometer body 3 fixed plate 401, the inner wall of the fixed plate 401 is slidably connected with the protection block 402, the protection block 402 is fixedly connected with two telescopic rods 403 between one end and the inner wall of the fixed plate 401, the outer wall of the telescopic rod 403 is sleeved with a compression spring 404.

[0023] As shown in Figure 2 , Figure 3 and Figure 4 , the protection mechanism 4 further comprises a fixed ring 405 arranged at both ends of the accelerometer body 3, the outer wall of the fixed ring 405 is hinged with a plurality of evenly arranged fixed blocks 406, the inner wall of the fixed block 406 is fixedly connected with a clamping block 407, one end of the clamping block 407 is clamped to the inner wall of one side of the fixed plate 401, the inner wall of the fixed plate 401 is fixedly connected with a first protection plate 408, the first protection plate 408 is in close contact with the outer wall of the accelerometer body 3, the outer wall of the fixed plate 401 is fixedly connected with a second protection plate 409, the second protection plate 409 is in close contact with the inner wall of the protective shell 2, the inner wall of the fixed plate 401 is clamped on the accelerometer body 3, the protection block 402 is supported by the telescopic rod 403 and the compression spring 404, the first protection plate 408 on the inner wall of the fixed plate 401 can protect the accelerometer body 3, the second protection plate 409 can reduce the impact of the impact force on the accelerometer body 3, the fixed ring 405 drives the clamping block 407 to be embedded in the clamping groove on the fixed plate 401 through the fixed block 406, and the fixed plate 401 can be effectively protected.

[0024] As shown in Figure 2 , the two ends of the accelerometer body 3 are provided with a cloth plywood 410, the inner wall of the protective shell 2 is fixedly connected with a silica gel ring 411, the outer wall of the protective shell 2 is threadedly connected with a plurality of evenly arranged fixed bolts 412, one end of the fixed bolt 412 penetrates the protective shell 2 and is threadedly connected with the bottom plate 1, when the accelerometer body 3 is used, the cloth plywood 410 is sleeved outside the cable and placed on the top end of the accelerometer body 3, when the protective shell 2 is installed, the silica gel ring 411 on the protective shell 2 is in contact with the cable to protect it, and the accelerometer can be sealed and protected by the plurality of fixed bolts 412.

[0025] The utility model discloses when using, multiple fixed plate 401 is connected in accelerometer main part 3, and fixed plate 401 is cooperated with two telescopic link 403 and compression spring 404 through two protection block 402 and makes it move to one end to the location of accelerometer main part 3, and the fixed ring 405 is placed in the both ends of accelerometer main part 3, and manually rotates fixed block 406 to make the recess of fixed block 406 be connected in one end of fixed plate 401, and make the clamping block 407 embed in the clamping slot of one side of fixed plate 401 and fix multiple fixed plate 401, and accelerometer main part 3 is installed on the bottom plate 1, and the cloth rubber wood 410 is set up on accelerometer main part 3 and is contacted with the cable of the top end of accelerometer main part 3, and the protective shell 2 is sleeved in the top end of accelerometer main part 3, can install the protection of accelerometer main part 3, and manually rotates fixed bolt 412 and the bottom plate 1 screw connection and fixes it.

[0026] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A guarded force balance accelerometer characterized by, Include: The bottom plate (1), the top end of the bottom plate (1) is provided with a protective shell (2), the top end of the bottom plate (1) is fixedly provided with an accelerometer body (3), the outer wall of the accelerometer body (3) is provided with a protection mechanism (4); Wherein, the protection mechanism (4) includes several fixed plates (401) uniformly arranged and clamped on the outer wall of the accelerometer body (3), the both ends of the inner wall of the fixed plate (401) are slidably connected with the protection block (402), the one end of the protection block (402) and the inner wall of the fixed plate (401) are fixedly connected with two telescopic rods (403), the outer wall of the telescopic rod (403) is sleeved with a compression spring (404).

2. A guarded force balance accelerometer according to claim 1, characterised in that: The protection mechanism (4) further includes a fixed ring (405) arranged at both ends of the accelerometer body (3), the outer wall of the fixed ring (405) is hingedly connected with several fixed blocks (406) uniformly arranged, the inner wall of the fixed block (406) is fixedly connected with a clamping block (407), one end of the clamping block (407) is clamped on the inner wall of one side of the fixed plate (401).

3. A guarded force balance accelerometer according to claim 1, characterised in that: The inner wall of the fixed plate (401) is fixedly connected with a first protection plate (408), the first protection plate (408) is in close contact with the outer wall of the accelerometer body (3).

4. A guarded force balance accelerometer according to claim 1, characterised in that: The outer wall of the fixed plate (401) is fixedly connected with a second protection plate (409), the second protection plate (409) is in close contact with the inner wall of the protective shell (2).

5. A guarded force balance accelerometer according to claim 1, characterized in that: Both ends of the accelerometer body (3) are provided with a cloth rubber (410).

6. A guarded force balance accelerometer according to claim 1, characterized in that: The top end of the inner wall of the protective shell (2) is fixedly connected with a silica gel ring (411).

7. A guarded force balance accelerometer according to claim 1, wherein: The outer wall of the protective shell (2) is fixedly connected with several fixed bolts (412) uniformly arranged, one end of the fixed bolt (412) penetrates the protective shell (2) and is threadedly connected with the bottom plate (1).

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