CN215338561U

CN215338561U - Sensor housing assembly

Info

Publication number: CN215338561U
Application number: CN202121796141.0U
Authority: CN
Inventors: 钱雪平
Original assignee: Wuxi Jiajiena Measurement And Control Technology Co ltd
Current assignee: Wuxi Jiajiena Measurement And Control Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-12-28
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a sensor housing assembly which comprises a bottom plate and a sensor body, wherein a connecting plate is fixedly connected to the upper side wall of the bottom plate, a housing is sleeved on the side wall of the connecting plate, the lower side wall of the housing is fixed to the upper side wall of the bottom plate through a first fixing mechanism, the sensor body is fixed to the upper side wall of the connecting plate through an installation mechanism, a wiring assembly is arranged on the side wall of the sensor body, and the upper end of the sensor body is connected with a pressure-bearing head through a connecting mechanism. This kind of sensor shell subassembly, the shell adopts stainless steel, and is easy to wash, is difficult for being corroded by chemical cleaning agent, under harsh service environment, can keep good product property ability, and simultaneously, bolt fixed connection is passed through to each component to be convenient for install and dismantle shell and pressure-bearing head etc. and, can avoid the sensor body to damage because of transshipping or reverse load, guarantee its life.

Description

Sensor housing assembly

Technical Field

The utility model relates to the technical field of sensors, in particular to a sensor housing assembly.

Background

With the development of science and technology and the progress of society, the market sale and management at home and abroad are increasingly standardized, and the automatic weight sorting scale with a high-speed and high-accuracy metering means is more and more favored by manufacturers in various industries. Load cells are the core of packaging and sorting equipment and automatic checkweighers, and sensor housing assemblies are commonly used for shielding in order to shield the sensors.

However, the existing sensor shell assembly is mostly fixedly connected by adopting a welding mode, and is inconvenient to install and disassemble each component, so that each component is inconvenient to overhaul, maintain and replace, and the existing weighing sensor is often damaged due to overload or reverse load when in use, thereby influencing the service life and the product quality of the sensor.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a sensor housing subassembly, includes bottom plate and sensor body, the last lateral wall fixedly connected with connecting plate of bottom plate, the lateral wall cover of connecting plate is equipped with the shell, and the lower lateral wall of shell is fixed through the last lateral wall of first fixed establishment and bottom plate, the sensor body passes through the last lateral wall of installation mechanism and connecting plate and fixes, and the lateral wall of sensor body is provided with wiring subassembly, the upper end of sensor body is connected with the pressure-bearing head through coupling mechanism, and is provided with the protection machanism that is used for preventing the foreign matter entering between pressure-bearing head and the shell, be provided with the overload protection mechanism who is used for carrying out overload protection to the sensor body in the shell.

Preferably, the upper side wall of the bottom plate is provided with a first mounting hole and two symmetrically arranged mounting grooves.

Preferably, first fixed establishment includes the fixed plate that two symmetries set up on two relative inside walls of fixed connection at the shell, a plurality of first counter bores have been seted up to the lower lateral wall of bottom plate, first counter bore interpolation is equipped with first fixing bolt, and first fixing bolt's upper end run through the connecting plate the last lateral wall and with the lower lateral wall thread tightening of fixed plate.

Preferably, the second fixing mechanism comprises a second counter bore formed in the upper side wall of the connecting block, a connecting column is inserted into the second counter bore, and the lower end of the connecting column is fixed with the upper end of the sensor body through threads.

Preferably, the upper side wall of the pressure bearing head is provided with a plurality of second mounting holes arranged in an array.

Preferably, the wiring subassembly is including offering the second through-hole on the shell lateral wall, insert in the second through-hole and be equipped with the cable conductor, and the one end of cable conductor is fixed with the lateral wall of sensor body, the lateral wall cover of cable conductor is equipped with the leakproofness connector, and the leakproofness connector is fixed to be inserted and establish in the second through-hole, the leakproofness connector is provided with sealed the pad with second through-hole matched with lateral wall.

Preferably, coupling mechanism is including seting up the first through-hole at the shell top, and the interpolation of first through-hole is equipped with the connecting block, the connecting block passes through the upper end of second fixed establishment and sensor body and fixes, and the last lateral wall of pressure-bearing head has seted up first circular slot, the interpolation of first circular slot is equipped with a plurality of second fixing bolt, and the lower extreme of second fixing bolt and the last lateral wall thread tightening of connecting block.

Preferably, the installation mechanism comprises a base plate fixedly connected to the upper side wall of the connecting plate, one end of the sensor body is arranged on the base plate, a plurality of third counter bores are formed in the lower side wall of the base plate, third fixing bolts are inserted into the third counter bores, and the upper ends of the third fixing bolts penetrate through the upper side wall of the base plate and are fixed with the lower side wall of the sensor body through threads.

Preferably, the protection mechanism comprises a second circular groove formed in the lower side wall of the pressure-bearing head, a sleeve is inserted into the second circular groove, the lower end of the sleeve and the upper side wall of the first through hole are integrally formed, and the connecting block is inserted into the sleeve.

Preferably, the overload protection mechanism is fixedly connected with a first limit screw on the upper side wall of the connecting plate, the first limit screw is located below the sensor body, a fourth counter bore is formed in the lower side wall of the base plate, a second limit screw is inserted into the fourth counter bore, and the upper end of the second limit screw penetrates through the upper side wall of the connecting plate and is fixed with the lower side wall of the sensor body through threads.

The technical scheme provided by the utility model has the beneficial effects that:

1. the sensor shell component of the utility model has the advantages that the sensor body is arranged in the shell to protect the sensor body by arranging the protection mechanism and the like, so as to avoid the sensor body from being damaged, meanwhile, the shell and the bottom plate are fixed, the sensor body and the bottom plate are fixed through a third fixing bolt, the connecting block and the sensor body are fixed through a connecting column, all the components are fixedly connected through bolts, thereby being convenient for mounting and dismounting the shell, the pressure-bearing head and the like, and the shell is made of stainless steel, is easy to clean and not easy to be corroded by chemical cleaning agents, in a harsh use environment, good product performance can be kept, a second circular groove is arranged on the lower side wall of the pressure bearing head, a sleeve is integrally formed on the upper side wall of the first through hole, and the sleeve is inserted in the second circular groove, so that external foreign matters can be prevented from entering, and the working reliability of the sensor body is ensured.

2. According to the sensor housing assembly, the overload protection mechanism is arranged, when the sensor body deforms downwards to a certain distance after bearing, the lower side wall of the sensor body touches the upper end of the first limiting screw, the sensor body is limited from continuing to deform downwards and move, at the moment, the measured object is stopped to be weighed, only when the measured weight is within a rated load range, the sensor body measures the weight of the measured object, and similarly, when the sensor body is subjected to reverse load, the head of the second limiting screw is abutted against the lower side wall of the connecting plate, the sensor body is limited from deforming upwards and moving, and the measured object is stopped to be weighed, so that the sensor body can be prevented from being damaged due to overload or reverse load, and the service life of the sensor body is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic cross-sectional structure of the present invention.

In the figure: 1. a base plate; 2. a housing; 3. a connecting plate; 401. a first counterbore; 402. a fixing plate; 403. a first fixing bolt; 5. mounting grooves; 6. a sensor body; 701. a base plate; 702. a third counterbore; 703. a third fixing bolt; 801. a first through hole; 802. a first circular groove; 803. connecting blocks; 804. connecting columns; 805. a second counterbore; 806. a second fixing bolt; 901. a second circular groove; 902. a sleeve; 10. a pressure-bearing head; 1101. a cable wire; 1102. a second through hole; 1103. a sealable connector; 1104. a gasket; 12. a first limit screw; 1301. a fourth counterbore; 1302. a second limit screw; 14. a first mounting hole; 15. and a second mounting hole.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following description, for clarity and conciseness of description, not all of the various components shown in the figures are described. The various components shown in the figures provide those skilled in the art with a fully enabled disclosure of the utility model. The operation of many of the components is familiar and obvious to those skilled in the art.

Example (b):

as shown in fig. 1-4, the present embodiment provides a sensor housing assembly, which includes a bottom plate 1 and a sensor body 6, wherein a connecting plate 3 is fixedly connected to an upper sidewall of the bottom plate 1, a housing 2 is sleeved on a sidewall of the connecting plate 3, a lower sidewall of the housing 2 is fixed to the upper sidewall of the bottom plate 1 by a first fixing mechanism, a sealing pad is disposed on a sidewall of the housing 2, which is matched with the bottom plate 1, a sealing pad is disposed on a sidewall of the sensor body 6, which is fixed to the upper sidewall of the connecting plate 3 by an installation mechanism, a wiring assembly is disposed on a sidewall of the sensor body 6, an upper end of the sensor body 6 is connected to a pressure-bearing head 10 by a connecting mechanism, a protection mechanism for preventing foreign matters from entering is disposed between the pressure-bearing head 10 and the housing 2, an overload protection mechanism for overload protection of the sensor body 6 is disposed in the housing 2, the housing 2 is made of stainless steel, and is easy to clean and not easy to be corroded by chemical cleaning agents, under the harsh service environment, can keep good product property ability, simultaneously, each component passes through bolt fixed connection to be convenient for install and dismantle shell 2 and pressure-bearing head 10 etc. and, can avoid sensor body 6 to damage because of transshipping or reverse load, guarantee its life.

Preferably, the upper side wall of the bottom plate 1 is provided with a first mounting hole 14 and two symmetrically arranged mounting grooves 5, so that the bottom plate 1 can establish a mechanical connection relationship with the fixing bracket through the first mounting hole 14.

Preferably, the first fixing mechanism includes two fixing plates 402 which are symmetrically arranged and fixedly connected to two opposite inner side walls of the housing 2, a plurality of first counter bores 401 are formed in the lower side wall of the base plate 1, first fixing bolts 403 are inserted into the first counter bores 401, and the upper ends of the first fixing bolts 403 penetrate through the upper side wall of the connecting plate 3 and are fixed to the lower side wall of the fixing plates 402 through threads, so that the housing 2 can be conveniently mounted and dismounted.

Preferably, the second fixing mechanism includes a second counter bore 805 formed in an upper side wall of the connecting block 803, a connecting column 804 is inserted into the second counter bore 805, and a lower end of the connecting column 804 is fixed to an upper end of the sensor body 6 through threads, so that the connecting block 803 is conveniently mounted and dismounted.

Preferably, the upper sidewall of the pressure bearing head 10 is provided with a plurality of second mounting holes 15 arranged in an array, and the carrier to be measured is mechanically connected to the pressure bearing head 10 through the second mounting holes 15.

Preferably, the wiring assembly includes a second through hole 1102 formed in the side wall of the housing 2, a cable 1101 is inserted into the second through hole 1102, one end of the cable 1101 is fixed to the side wall of the sensor body 6, a sealing connector 1103 is sleeved on the side wall of the cable 1101, the sealing connector 1103 is fixedly inserted into the second through hole 1102, and a sealing gasket 1104 is arranged on the side wall of the sealing connector 1103 matched with the second through hole 1102 to ensure the sealing performance and prevent foreign matters such as dust from entering.

Preferably, the connection mechanism includes a first through hole 801 formed in the top of the housing 2, a connection block 803 is inserted into the first through hole 801, the connection block 803 is fixed to the upper end of the sensor body 6 through a second fixing mechanism, a first circular groove 802 is formed in the upper side wall of the pressure-bearing head 10, a plurality of second fixing bolts 806 are inserted into the first circular groove 802, and the lower ends of the second fixing bolts 806 are fixed to the upper side wall of the connection block 803 through threads, so that the pressure-bearing head 10 is convenient to mount and dismount.

Preferably, the mounting mechanism includes a backing plate 701 fixedly connected to the upper side wall of the connecting plate 3, one end of the sensor body 6 is disposed on the backing plate 701, a plurality of third counter bores 702 are disposed on the lower side wall of the base plate 1, third fixing bolts 703 are inserted into the third counter bores 702, and the upper ends of the third fixing bolts 703 penetrate through the upper side wall of the backing plate 701 and are fixed to the lower side wall of the sensor body 6 through threads, so that the sensor body 6 can be mounted and dismounted conveniently.

Preferably, the protection mechanism includes a second circular groove 901 formed in the lower side wall of the pressure-bearing head 10, a sleeve 902 is inserted into the second circular groove 901, the lower end of the sleeve 902 and the upper side wall of the first through hole 801 are integrally formed, the connecting block 803 is inserted into the sleeve 902, a gap is left between the upper end of the sleeve 902 and the upper side wall of the second circular groove 901, it is ensured that the pressure-bearing head 10 can move downward, moreover, a sealing material can be filled in the gap, the entry of external foreign matters is avoided, and the reliability of the operation of the sensor body 6 is ensured.

Preferably, the overload protection mechanism is fixedly connected to the first limit screw 12 on the upper side wall of the connecting plate 3, the first limit screw 12 is located below the sensor body 6, the lower side wall of the bottom plate 1 is provided with a fourth counter bore 1301, a second limit screw 1302 is inserted into the fourth counter bore 1301, the upper end of the second limit screw 1302 penetrates through the upper side wall of the connecting plate 3 and is fixed with the lower side wall of the sensor body 6 in a threaded manner, when the sensor body 6 deforms to a certain distance after bearing, the lower side wall of the sensor body 6 touches the upper end of the first limit screw 12 to limit the sensor body 6 to continue to deform and displace downwards, at the moment, the object to be measured is stopped to be weighed, only when the measured weight is within the rated load range, the sensor body 6 measures the weight of the object to be measured, and similarly, when the sensor body 6 is subjected to reverse load, the head of the second limit screw 1302 is abutted against the lower side wall of the connecting plate 3, the upward deformation displacement of the sensor body 6 is limited, and the measured object stops being weighed, so that the sensor body 6 can be prevented from being damaged due to overload or reverse load, and the service life of the sensor body is ensured.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A sensor housing assembly comprising a base plate (1) and a sensor body (6), it is characterized in that the upper side wall of the bottom plate (1) is fixedly connected with a connecting plate (3), the side wall of the connecting plate (3) is sleeved with a shell (2), and the lower side wall of the shell (2) is fixed with the upper side wall of the bottom plate (1) through a first fixing mechanism, the sensor body (6) is fixed with the upper side wall of the connecting plate (3) through a mounting mechanism, and the side wall of the sensor body (6) is provided with a wiring component, the upper end of the sensor body (6) is connected with a pressure-bearing head (10) through a connecting mechanism, and a protection mechanism for preventing foreign matters from entering is arranged between the pressure-bearing head (10) and the shell (2), and an overload protection mechanism for carrying out overload protection on the sensor body (6) is arranged in the shell (2).

2. A sensor housing assembly according to claim 1, wherein: first fixed establishment includes fixed plate (402) that two symmetries set up on two relative inside walls of fixed connection in shell (2), a plurality of first counter bores (401) have been seted up to the lower lateral wall of bottom plate (1), first counter bore (401) interpolation is equipped with first fixing bolt (403), and the upper end of first fixing bolt (403) run through the last lateral wall of connecting plate (3) and with the lower lateral wall thread tightening of fixed plate (402).

3. A sensor housing assembly according to claim 1, wherein: coupling mechanism is including offering first through-hole (801) at shell (2) top, and first through-hole (801) interpolation is equipped with connecting block (803), connecting block (803) are fixed through the upper end of second fixed establishment with sensor body (6), and the last lateral wall of bearing head (10) has seted up first circular slot (802), first circular slot (802) interpolation is equipped with a plurality of second fixing bolt (806), and the last lateral wall thread tightening of the lower extreme of second fixing bolt (806) and connecting block (803).

4. A sensor housing assembly according to claim 3, wherein: the second fixing mechanism comprises a second counter bore (805) formed in the upper side wall of the connecting block (803), a connecting column (804) is inserted into the second counter bore (805), and the lower end of the connecting column (804) is fixed with the upper end of the sensor body (6) through threads.

5. A sensor housing assembly according to claim 1, wherein: the wiring assembly comprises a second through hole (1102) formed in the side wall of the shell (2), a cable (1101) is inserted into the second through hole (1102), one end of the cable (1101) is fixed to the side wall of the sensor body (6), a sealing connector (1103) is sleeved on the side wall of the cable (1101), the sealing connector (1103) is fixedly inserted into the second through hole (1102), and a sealing gasket (1104) is arranged on the side wall of the sealing connector (1103) and the side wall of the second through hole (1102) in a matched mode.

6. A sensor housing assembly according to claim 3, wherein: the protection mechanism comprises a second circular groove (901) formed in the lower side wall of the pressure bearing head (10), a sleeve (902) is inserted into the second circular groove (901), the lower end of the sleeve (902) and the upper side wall of the first through hole (801) are integrally formed, and the connecting block (803) is inserted into the sleeve (902).

7. A sensor housing assembly according to claim 1, wherein: installation mechanism includes backing plate (701) of fixed connection lateral wall on connecting plate (3), and the one end setting of sensor body (6) is on backing plate (701), a plurality of third counter bores (702) have been seted up to the lower lateral wall of bottom plate (1), and third counter bore (702) interpolation is equipped with third fixing bolt (703), the upper end of third fixing bolt (703) run through the last lateral wall of backing plate (701) and with the lower lateral wall thread tightening of sensor body (6).

8. A sensor housing assembly according to claim 1, wherein: the overload protection mechanism is fixedly connected with a first limiting screw (12) on the upper side wall of the connecting plate (3), the first limiting screw (12) is located below the sensor body (6), a fourth counter bore (1301) is formed in the lower side wall of the base plate (1), a second limiting screw (1302) is inserted into the fourth counter bore (1301), and the upper end of the second limiting screw (1302) penetrates through the upper side wall of the connecting plate (3) and is fixed with the lower side wall of the sensor body (6) through threads.

9. A sensor housing assembly according to claim 1, wherein: the upper side wall of the bottom plate (1) is provided with a first mounting hole (14) and two symmetrically arranged mounting grooves (5).

10. A sensor housing assembly according to claim 1, wherein: the upper side wall of the pressure bearing head (10) is provided with a plurality of second mounting holes (15) which are arranged in an array.