CN213148195U

CN213148195U - Novel pressure sensor for small vehicle

Info

Publication number: CN213148195U
Application number: CN202022474640.XU
Authority: CN
Inventors: 林艳鹏; 孔凡亮; 郭峰
Original assignee: Qufu Xiangtian Machinery Co ltd
Current assignee: Qufu Xiangtian Machinery Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-05-07
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a novel pressure sensor for a small-sized vehicle, which belongs to the technical field of pressure sensors and comprises a sensor body, wherein the sensor body consists of an installation head, a core shell and a shell, the installation head is integrally formed with one end of the core shell, the surface of the core shell is turned with a screw thread A, the screw thread A is screwed with a screw thread B on the inner wall of the shell, the rear end of the core shell extends out with a signal wire, the signal wire backwards runs through a wire holder, the wire holder is clamped at the rear end of the shell, a rear end seat tube of the wire holder extends out of the shell, the surface of the shell of the sensor body is sleeved with a cylindrical sheath, the sensor body is arranged into a combined structure formed by combining the installation head, the core shell and the shell, a pressure measuring component of the original sensor body is installed in the core shell, the screw thread A on the outer wall of the core shell is screwed with the screw thread B on the, the shell and the core shell can be unscrewed, so that the pressure measuring assembly in the core shell can be maintained.

Description

Novel pressure sensor for small vehicle

Technical Field

The utility model relates to a pressure sensor technical field especially relates to a novel pressure sensor for minicar.

Background

The automobile pressure sensor uses a conventional oil pressure sensor, which is used for oil pressure control of a brake system with an oil pressure booster, and can detect the pressure of an accumulator, output a closing or opening signal of an oil pump and alarm the abnormality of the oil pressure. The structure is shown in the figure, a semiconductor strain gauge is arranged in the structure, and the characteristic that the resistance changes when the shape of the strain gauge changes is utilized; in addition, the metal diaphragm is arranged, the change of the pressure is detected through the metal diaphragm strain gauge, and the change is converted into an electric signal and then is output to the outside.

Patent number CN201822074858.9 discloses a pressure sensor for car, including fixed plate, first splint and second splint, the fixed slot has all been seted up to the positive both sides of fixed plate, and the fixed orifices has all been seted up to the positive top of fixed plate and bottom, and the both sides at the first splint back are all fixed and are equipped with the screw thread post, and two screw thread posts pass two fixed slots respectively, and the one end threaded connection that is located the screw thread post at the fixed plate back has fastening nut. The utility model discloses at first utilize first splint and second splint to press from both sides pressure sensor tight fixed, fix first splint, second splint and pressure sensor monolithic again on the fixed plate, utilize hand fastening fixing bolt to press from both sides tightly, it is less to the force of pressure sensor application, be difficult to make pressure sensor damage, in addition through set up the louvre around the fixed slot, can strengthen the radiating effect, effectually avoid pressure sensor failure or damage, go on effectual guarantee to the safety of traveling of later stage car.

1. The novel pressure sensor for the small car in the prior art is mostly an integral metal shell, when a pressure sensor inner device or a line circuit is in fault, the pressure sensor of the integral metal shell can only be integrally replaced and cannot be detached for maintenance, resource waste when the pressure sensor is used is caused, and therefore the novel pressure sensor for the small car is provided.

2. When the novel pressure sensor for the small car in the prior art is transported, the outer side of the metal shell is lack of a protection structure, and then the internal components of the shell are easily damaged by external force impact when the pressure sensor is transported.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel pressure sensor for small-size car, set up the sensor body into the installation head, the integrated configuration that core shell and shell combination formed, the pressure measurement unit of original sensor body installs in the core shell, and the thread A of core shell outer wall connects soon with the thread B of shell inner wall, after the sensor body trouble, can unscrew shell and core shell, thereby maintain the pressure measurement unit in the core shell, cup joint the cylindricality sheath on the shell surface of sensor body, when the sensor body receives external shock, the hole of cylindricality sheath makes the sheath can the flexible deformation cushion external impact force, and there is the metal inner panel in the cylindricality sheath to carry out inside support, can prevent the excessive deformation of cylindricality sheath, the transportation protection of sensor body has effectively been realized.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of novel pressure sensor for small-size car, including the sensor body, the sensor body comprises installation head, core shell and shell, and the one end of installation head integrated into one piece and core shell, the surperficial turning of core shell has screw thread A, and screw thread A screw thread connects the screw thread B of shell inner wall soon, the rear end of core shell stretches out there is the signal line, and the signal line runs through the connection terminal backward, the connection terminal block is in the casing rear end of shell, and the rear end seat pipe of connection terminal stretches out the shell, the cylindricality sheath has been cup jointed on the shell surface of sensor body, and the internal portion of cover of cylindricality sheath is filled there is the metal inner panel, the hole has been seted up to the cylindricality sheath cover in the metal inner panel outside, the cavity has been seted up at the rear end middle part of core shell.

Optionally, a rubber net sleeve is vulcanized on the outer side of the rear-end base pipe of the wire holder, and a signal wire extends out of the middle of the rubber net sleeve.

Optionally, the cylindrical sheath is made of a fluororubber material.

Optionally, an annular side plate is welded at the bottom end of the wire holder in the shell.

The utility model has the advantages as follows:

1. the utility model discloses a set up the integrated configuration that the sensor body formed for installation head, core shell and shell combination, the pressure measurement subassembly of original sensor body is installed in the core shell, and the thread A of core shell outer wall connects soon with the thread B of shell inner wall, after the sensor body trouble, can unscrew shell and core shell to the pressure measurement subassembly to in the core shell is maintained, has solved the problem that current automobile-used novel pressure sensor can't dismantle the maintenance.

2. The utility model discloses a cup joint the cylindricality sheath on the shell surface of sensor body, when the sensor body receives external shock, the hole of cylindricality sheath makes the sheath can the flexible deformation cushion outside impact force, has the metal inner panel to carry out inside support in the cylindricality sheath moreover, can prevent that the cylindricality sheath from excessively warping, has effectively realized the transportation protection of sensor body, has solved the problem that the novel pressure sensor outside lacks protective structure for current small-size automobile-used.

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 described 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 without creative efforts.

Fig. 1 is the utility model discloses a novel pressure sensor for small-size vehicle's overall structure schematic diagram.

Fig. 2 is a sectional view of a housing of the novel pressure sensor for a small vehicle according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of the cylindrical sheath of the novel pressure sensor for a small vehicle according to the embodiment of the present invention.

In the figure: 1. a sensor body; 2. a mounting head; 3. a core shell; 4. a screw thread A; 5. a screw thread B; 6. a housing; 7. a wire holder; 8. an annular edge plate; 9. a signal line; 10. a rubber net sleeve; 11. a cylindrical sheath; 12. a metal inner plate; 13. an inner bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A novel pressure sensor for a compact car according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the novel pressure sensor for a compact car provided by the embodiment of the present invention comprises a sensor body 1, wherein the sensor body 1 is composed of a mounting head 2, a core shell 3 and a shell 6, and the mounting head 2 is integrally formed with one end of the core housing 3, the surface of the core housing 3 is turned with a thread a4, and the thread A4 is screwed with the thread B5 on the inner wall of the shell 6, the back end of the core shell 3 extends with a signal wire 9, and the signal wire 9 passes through the wire holder 7 backwards, the wire holder 7 is clamped at the rear end of the shell body of the shell 6, and the rear end seat tube of the wire holder 7 extends out of the shell 6, the surface of the shell 6 of the sensor body 1 is sleeved with a cylindrical sheath 11, and the metal inner plate 12 is filled in the cylindrical sheath 11, an inner hole 13 is formed in the cylindrical sheath 11 outside the metal inner plate 12, and a cavity is formed in the middle of the rear end of the core shell 3.

The example, set up sensor body 1 as installation head 2, the integrated configuration that core shell 3 and shell 6 combination formed, the pressure measurement subassembly of original sensor body 1 is installed in core shell 3, and thread A4 of core shell 3 outer wall connects soon with the thread B5 of shell 6 inner wall, after sensor body 1 trouble, can unscrew shell 6 and core shell 3, thereby maintain the pressure measurement subassembly in the core shell 3, cup joint cylindricality sheath 11 on the shell 6 surface of sensor body 1, when sensor body 1 receives external force impact, the hole 13 of cylindricality sheath 11 makes the sheath can the flexible deformation buffering external impact force, and there is metal inner panel 12 to carry out the internal stay in the cylindricality sheath 11, can prevent the excessive deformation of cylindricality sheath 11, sensor body 1's transportation protection has effectively been realized.

Referring to fig. 1, a rubber net 10 is vulcanized outside the rear-end base tube of the wire holder 7, and a signal wire 9 extends from the middle of the rubber net 10.

Illustratively, the rubber net 10 protects the signal shape 9 of the socket mouth part at the rear end of the wire holder 7.

Referring to fig. 1, the cylindrical sheath 11 is made of a fluororubber material.

For example, the fluororubber rubber sheath 11 has good corrosion resistance.

Referring to fig. 1 and 2, an annular side plate 8 is welded to the bottom end of the wire holder 7 in the housing 6.

Illustratively, the annular edge plate 8 prevents the wire holder 7 from backing out of the housing 6.

The utility model relates to a novel pressure sensor for small-size car, set up sensor body 1 into installation head 2, the integrated configuration that core shell 3 and shell 6 combination formed, the pressure measurement unit mount of original sensor body 1 is in core shell 3, and the thread A4 of core shell 3 outer wall connects soon with the thread B5 of shell 6 inner wall, after sensor body 1 trouble, can unscrew shell 6 and core shell 3, thereby maintain the pressure measurement unit in the core shell 3, cup joint cylindricality sheath 11 on the shell 6 surface of sensor body 1, when sensor body 1 receives external impact, the hole 13 of cylindricality sheath 11 makes the sheath can the flexible deformation buffering external impact force, and there is metal inner panel 12 to carry out inside support in the cylindricality sheath 11, can prevent that cylindricality sheath 11 excessively warp, sensor body 1's transportation protection has effectively been realized.

It should be noted that, the utility model relates to a novel pressure sensor for small-size automobile-used, including sensor body 1, installation head 2, core shell 3, thread A4, thread B5, shell 6, connection terminal 7, annular sideboard 8, signal line 9, rubber net cover 10, cylindricality sheath 11, metal inner panel 12, hole 13, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a novel pressure sensor for small-size automobile-used, includes sensor body (1), its characterized in that: the sensor comprises a sensor body (1) and is characterized in that the sensor body is composed of an installing head (2), a core shell (3) and an outer shell (6), the installing head (2) is integrally formed with one end of the core shell (3), a screw thread A (4) is turned on the surface of the core shell (3), the screw thread A (4) is screwed with a screw thread B (5) on the inner wall of the outer shell (6), a signal wire (9) extends out of the rear end of the core shell (3), the signal wire (9) backwards penetrates through a wiring seat (7), the wiring seat (7) is clamped at the rear end of the shell of the outer shell (6), a rear end seat pipe of the wiring seat (7) extends out of the outer shell (6), a cylindrical sheath (11) is sleeved on the surface of the outer shell (6) of the sensor body (1), a metal inner plate (12) is filled in the sleeve body of the cylindrical sheath (11), a cylindrical inner hole (11) on the outer side of the metal inner plate (12, the middle part of the rear end of the core shell (3) is provided with a cavity.

2. The novel pressure sensor for the small vehicle as claimed in claim 1, wherein: the outside of the rear-end base pipe of the wire holder (7) is vulcanized with a rubber net sleeve (10), and the middle part of the rubber net sleeve (10) extends out of a signal wire (9).

3. The novel pressure sensor for the small vehicle as claimed in claim 1, wherein: the cylindrical sheath (11) is made of fluororubber.

4. The novel pressure sensor for the small vehicle as claimed in claim 1, wherein: and an annular side plate (8) is welded at the bottom end of the wire holder (7) in the shell (6).