CN218276045U

CN218276045U - A leak protection type sensor mounting base for pipeline side connection

Info

Publication number: CN218276045U
Application number: CN202221362522.2U
Authority: CN
Inventors: 张海航; 李宗培; 凌建海
Original assignee: Shiyan Haihang Industry And Trade Co ltd
Current assignee: Shiyan Haihang Industry And Trade Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2023-01-10
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to an oxygen sensor installs technical field, especially relates to a leak protection type sensor mounting base for pipeline side is connected. The anti-leakage sensor mounting base for the side connection of the pipeline comprises an embedding disc and a round table fixedly embedded on the embedding disc, wherein a threaded through hole is formed in the round table, and the threaded through hole and an open cavity formed in the embedding disc are coaxially arranged; and the round table is provided with a lock catch component for fixing the oxygen sensor wire. The utility model provides a leak protection type sensor mounting base for pipeline side connection has the advantage of avoiding the blast pipe to lead to oxygen sensor root wire to appear dragging and take place not hard up, the problem of fracture because of vibrations.

Description

Leakage-proof sensor mounting base for pipeline side connection

Technical Field

The utility model relates to an oxygen sensor installs technical field, especially relates to a leak protection type sensor mounting base for pipeline side is connected.

Background

The sensors on the automobile include a knock sensor, a water temperature sensor, an intake air temperature sensor, an air flow sensor, a wheel speed sensor, an oxygen sensor, a camshaft position sensor, a crankshaft position sensor, a throttle position sensor, a coolant temperature sensor, abs sensor, and the like.

The oxygen sensor is a key sensing component in an electronic fuel injection engine control system, is used for controlling the emission of automobile exhaust, reducing the pollution of the automobile exhaust to the environment and improving the fuel combustion quality of the automobile engine, and the existing oxygen-proof sensor is installed on an exhaust pipe in a threaded connection mode at present, but the exhaust pipe easily causes the problems of looseness and cracking caused by the fact that a wire at the root part of the oxygen sensor is pulled due to the vibration of a vehicle body, so that the phenomenon of wire damage is induced.

Therefore, there is a need to provide a new leak-proof sensor mounting base for pipe side connection to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a leak protection type sensor mounting base for pipeline side is connected.

The utility model provides a leak protection type sensor mounting base for pipeline side connection includes:

a fitting plate, and

the circular truncated cone is fixedly embedded on the embedded disc, a threaded through hole is formed in the circular truncated cone, and the threaded through hole and the through cavity formed in the embedded disc are coaxially arranged;

install the hasp subassembly that is used for fixed oxygen sensor wire on the round platform, hasp subassembly includes cavity post, arc pole and arc extension spring in the arc, a plurality of cavity post and arc pole interval set up and constitute circular form in the arc, just the both ends of arc pole insert respectively establish to the adjacent arc in the sliding chamber that the cavity post was seted up and with sliding chamber sliding connection, install the arc extension spring in the inner chamber of cavity post in the arc, just the both ends of arc extension spring are respectively with insert the arc pole fixed connection who establishes to the cavity post both sides in the arc.

Preferably, the locking assembly is erected on the circular truncated cone through a plurality of groups of elastic connecting pieces, each elastic connecting piece comprises a sliding rod and a spring, and the sliding rods are inserted into the inclined sliding cavities formed in the circular truncated cone and are elastically connected with the inner bottom walls of the inclined sliding cavities through the springs.

Preferably, the top of the sliding rod extends out of the inclined sliding cavity and is fixedly connected with the bottom of the arc-shaped hollow column.

Preferably, the upper cavity of the inclined sliding cavity is close to the axis of the circular truncated cone, and the lower cavity of the inclined sliding cavity is far away from the axis of the circular truncated cone.

Preferably, a plurality of install the rubber sleeve in the circular structure that hollow column and arc pole constitute in the arc, just the outer cover wall of rubber sleeve and the interior arc wall fixed connection of hollow column in the arc.

Preferably, a plurality of annularly distributed cutting grooves are formed in the rubber sleeve.

Preferably, the bottom of the embedding disc is fixedly provided with an inserting pipe which is coaxially arranged with the through cavity.

Compared with the prior art, the utility model provides a leak protection type sensor mounting base for pipeline side connection has following beneficial effect:

the utility model provides a leak protection type sensor mounting base for pipeline side is connected, pass oxygen sensor and partial cable behind the hasp subassembly insert it and establish the round platform on, the screw thread through-hole screw thread fixed connection that rotatory oxygen sensor made threaded connection section on the oxygen sensor and round platform seted up, consequently constitute the diameter shrink of circular column structure between hollow post and arc pole in by the arc, the wire at the oxygen sensor tail end is connected in the hollow post cramp in the arc of shrink, thereby avoid the blast pipe to lead to oxygen sensor root wire to appear dragging and take place not hard up because of vibrations, the problem of fracture.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a leak-proof sensor mounting base for pipeline side connection according to the present invention;

FIG. 2 is a schematic view of the latch assembly shown in FIG. 1;

FIG. 3 is a schematic view of a partial cross-sectional structure of the circular table shown in FIG. 1;

fig. 4 is a schematic structural view of the rubber boot shown in fig. 1.

Reference numbers in the figures: 1. a fitting disk; 2. a circular truncated cone; 2a, a threaded through hole; 2b, obliquely arranging a sliding cavity; 3. an elastic connecting member; 31. a slide bar; 32. a spring; 4. a latch assembly; 41. an arc-shaped hollow column; 42. an arcuate bar; 43. an arc-shaped tension spring; 5. a rubber sleeve; 6. and inserting the pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Referring to fig. 1 to 4, an embodiment of the present invention provides a leakage-proof sensor mounting base for pipeline side connection, the leakage-proof sensor mounting base for pipeline side connection includes: the locking device comprises an embedded disc 1, a circular truncated cone 2, an elastic connecting piece 3 and a locking assembly 4.

In an embodiment of the present invention, please refer to fig. 1 and fig. 3, a circular truncated cone 2 is fixedly embedded on the embedding disc 1, a threaded through hole 2a is formed on the circular truncated cone 2, the threaded through hole 2a and the embedding disc 1 are coaxially arranged in a through cavity, and an inserting pipe 6 is fixedly installed at the bottom of the embedding disc 1 and coaxially arranged in the through cavity.

It should be noted that: the inserting pipe 6 is inserted into an installation opening of the automobile exhaust pipe for detecting oxygen, and then the embedded disc 1 is welded on the exhaust pipe to complete the fixation of the oxygen sensor installation base.

In an embodiment of the present invention, please refer to fig. 2 and 3, a lock catch assembly 4 for fixing an oxygen sensor wire is installed on the circular table 2, and the lock catch assembly 4 is erected on the circular table 2 through a plurality of sets of elastic connecting pieces 3, each elastic connecting piece 3 includes a sliding rod 31 and a spring 32, the sliding rod 31 is inserted into an inclined sliding cavity 2b formed in the circular table 2 and is elastically connected with an inner bottom wall of the inclined sliding cavity 2b through the spring 32, wherein an upper port of the inclined sliding cavity 2b is close to an axis of the circular table 2, and a lower port of the inclined sliding cavity 2b is far away from the axis of the circular table 2;

hasp subassembly 4 includes hollow post 41, arc pole 42 and arc extension spring 43 in the arc, a plurality of hollow post 41 and arc pole 42 interval in the arc set up and constitute circular form, just the both ends of arc pole 42 insert respectively establish to adjacent arc in the sliding chamber that hollow post 41 seted up and with sliding chamber sliding connection, install arc extension spring 43 in the inner chamber of hollow post 41 in the arc, just arc extension spring 43's both ends respectively with insert establish to the arc pole 42 fixed connection of hollow post 41 both sides in the arc, and slide bar 31's top extends to put sliding chamber 2b to one side and with the bottom fixed connection of arc hollow post 41.

It should be noted that: the locking assembly 4 is pressed downwards, so that the sliding rod 31 slides downwards along the inclined sliding cavity 2b and compresses the spring 32, the arc-shaped rod 42 slides outwards along the arc-shaped hollow column 41 and stretches the arc-shaped tension spring 43 when the locking assembly 4 descends, the diameter of a circular structure formed between the arc-shaped hollow column 41 and the arc-shaped rod 42 is enlarged, the oxygen sensor and a part of cables are inserted into the circular table 2 after passing through the locking assembly 4, and the oxygen sensor is rotated to enable the threaded connection section on the oxygen sensor to be fixedly connected with the threaded through hole 2a formed in the circular table 2 in a threaded mode;

the locking buckle assembly 4 is loosened, so that the sliding rod 31 slides upwards along the inclined sliding cavity 2b under the elastic force action of the compression spring 32, the locking buckle assembly 4 rises and the arc rod 42 slides back to the arc hollow column 41 under the tensile force action of the arc tension spring 43, so that the diameter of the circular structure formed between the arc hollow column 41 and the arc rod 42 is shrunk, the shrunk arc hollow column 41 hoops and tightly connects the lead at the tail end of the oxygen sensor, and the problems that the lead at the root of the oxygen sensor is pulled to loosen and crack due to vibration of the exhaust pipe are solved.

In the embodiment of the utility model, please refer to fig. 1 and 4, a plurality of install rubber sleeve 5 in the circular structure that hollow post 41 and arc pole 42 constitute in the arc, just the outer lane wall of rubber sleeve 5 and the arc in the inner arc wall fixed connection of hollow post 41, and set up the grooving that a plurality of annular distributes on the rubber sleeve 5, rubber sleeve 5 has seted up the grooving can be fine stretch out and draw the shrink to the cover that can be fine is established on oxygen sensor's cable and this section of cable of effectual protection.

The utility model provides a theory of operation that is used for leak protection type sensor mounting base of pipeline side connection as follows:

inserting the inserting pipe 6 to an installation opening for detecting oxygen on an automobile exhaust pipe, welding the embedding disc 1 on the exhaust pipe to fix an oxygen sensor installation base, pressing down the lock catch assembly 4, so that the sliding rod 31 slides down along the inclined sliding cavity 2b and compresses the spring 32, the arc rod 42 slides out along the arc hollow column 41 and stretches the arc tension spring 43 when the lock catch assembly 4 descends, the diameter of a circular structure formed between the arc hollow column 41 and the arc rod 42 is enlarged, the oxygen sensor and part of cables are inserted into the circular table 2 after passing through the lock catch assembly 4, and the oxygen sensor is rotated to enable a threaded connection section on the oxygen sensor to be fixedly connected with a threaded through hole 2a formed in the circular table 2 in a threaded mode;

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. A leak protection type sensor mounting base for pipeline side connection includes:

a fitting disc (1), and

the circular table (2) is fixedly embedded on the embedded disc (1), a threaded through hole (2 a) is formed in the circular table (2), and the threaded through hole (2 a) and the embedded disc (1) are coaxially provided with a through cavity;

its characterized in that, install hasp subassembly (4) that are used for fixed oxygen sensor wire on round platform (2), hasp subassembly (4) include hollow post (41), arc pole (42) and arc extension spring (43) in the arc, a plurality of hollow post (41) and arc pole (42) interval set up and constitute circular form in the arc, just the both ends of arc pole (42) insert respectively establish to the adjacent arc in the sliding chamber that hollow post (41) was seted up and with sliding chamber sliding connection, install arc extension spring (43) in the inner chamber of hollow post (41) in the arc, just the both ends of arc extension spring (43) respectively with insert arc pole (42) fixed connection who establishes to hollow post (41) both sides in the arc.

2. The leak-proof sensor mounting base for the lateral connection of pipes according to claim 1, wherein the locking assembly (4) is erected on the circular truncated cone (2) through a plurality of sets of elastic connecting pieces (3), the elastic connecting pieces (3) comprise a sliding rod (31) and a spring (32), and the sliding rod (31) is inserted into an inclined sliding cavity (2 b) formed in the circular truncated cone (2) and is elastically connected with the inner bottom wall of the inclined sliding cavity (2 b) through the spring (32).

3. The leak-proof sensor mounting base for the lateral connection of pipes according to claim 2, wherein the top of the sliding rod (31) extends out of the inclined sliding cavity (2 b) and is fixedly connected with the bottom of the arc-shaped hollow column (41).

4. The leak-proof sensor mounting base for the pipe side connection as recited in claim 2, wherein the upper opening of the inclined sliding cavity (2 b) is close to the axis of the circular truncated cone (2), and the lower opening of the inclined sliding cavity (2 b) is far away from the axis of the circular truncated cone (2).

5. The leak-proof sensor mounting base for the side connection of the pipeline as claimed in claim 1, wherein a plurality of the arc-shaped hollow columns (41) and the arc-shaped rods (42) form a circular structure in which rubber sleeves (5) are installed, and the outer sleeve wall of each rubber sleeve (5) is fixedly connected with the inner arc wall of each arc-shaped hollow column (41).

6. The leak-proof sensor mounting base for the lateral connection of pipes according to claim 5, wherein the rubber sleeve (5) is provided with a plurality of annularly distributed cutting grooves.

7. The leak-proof sensor mounting base for the lateral connection of pipes according to claim 1, characterized in that the bottom of the embedding disk (1) is fixedly mounted with an insertion pipe (6) coaxially arranged with the through cavity.