CN214347529U - Liftable filling and sealing head structure for sensor - Google Patents

Abstract

The utility model relates to a liftable formula embedment head structure for sensor, liftable formula embedment head structure sets up in the embedment box, flexible pipe in the connecting pipe and arranging the connecting pipe in including running through the embedment box, the upper end of flexible pipe is diffusion opening, the lower extreme of flexible pipe is connected with horizontal pipe perpendicularly, the lower extreme intercommunication of horizontal pipe has a plurality of head of irritating, flexible pipe, horizontal pipe and embedment head intercommunication, a plurality of driving cylinders have between the inside top of embedment box and the horizontal pipe, the cushion washer has between the inner wall of diffusion opening's outer end and connecting pipe, the connecting pipe has with flexible union coupling of pipe and prevents gluey group. The utility model has the advantages of as follows: avoid embedment sputtering, prevent the pouring sealant seepage.

Description

Liftable filling and sealing head structure for sensor

The technical field is as follows:

the utility model belongs to sensor production field, concretely relates to liftable formula embedment head structure for sensor.

Background art:

the sensor is a period or assembly of devices which can sense a specified amount of measured information and convert the measured information into an output signal according to a certain rule, and particularly, the sensor is a component or a device which has sensing and splashing functions on certain determined information of a measured object and converts the information into an output signal corresponding to the information according to a certain rule. The sensor encapsulating technology is widely applied in recent years, the heat dissipation performance and the dustproof sealing performance of the sensor can be improved, polyurethane is a high polymer synthetic material with the performance between rubber and plastic, has excellent water resistance, oil resistance, low-temperature performance, shock absorption and electrical performance, has a good effect on bonding of the sensor, also has a mildew-proof effect, and is particularly suitable for sealing and encapsulating electronic components such as the sensor.

For fixed high connection between current embedment head structure and the embedment box, and the bottom position in the embedment box is placed to the sensor, for taking of sensor conveniently, a certain distance has between general sensor and the embedment head structure, when the casting glue falls into to the blowing dish by a take the altitude, the casting glue is outwards sputtered when meetting the blowing dish owing to self gravity effect, further pollute the blowing dish, when extravagant casting glue, reduce the embedment effect, and if set up in the embedment box with the first liftable ground of embedment, the first internal pouring glue seepage problem of embedment head will be the technological problem that needs overcome.

The utility model has the following contents:

the utility model aims at overcoming above not enough, providing a liftable formula embedment head structure for sensor, avoid the embedment to sputter, prevent the pouring sealant seepage.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a liftable formula embedment head structure for sensor, liftable formula embedment head structure sets up in the embedment box, flexible pipe in connecting pipe and arranging the connecting pipe in including running through the embedment box, the upper end of flexible pipe is the diffusion opening, the lower extreme of flexible pipe is connected with horizontal pipe perpendicularly, the lower extreme intercommunication of horizontal pipe has a plurality of head of irritating, flexible pipe, horizontal pipe and embedment head intercommunication, a plurality of driving cylinders have between the inside top of embedment box and the horizontal pipe, the buffer washer has between the inner wall of diffusion open-ended outer end and connecting pipe, the connecting pipe has with flexible junction of pipe and prevents gluey group.

The utility model discloses a further improvement lies in: the glue prevention set comprises a sealing pad and a clamping piece, the sealing pad is tightly attached to the outer wall of the telescopic pipe, and the clamping piece is arranged between the sealing pad and the connecting pipe.

The utility model discloses a further improvement lies in: the fastener includes U type portion and arranges the portion of bending of U type portion lower extreme in, has the clearance that holds the portion of bending card and go into between the lower extreme of connecting pipe and the flexible pipe, and the seal card is in U type portion.

The utility model discloses a further improvement lies in: the sealing pad is a wool pad.

The utility model discloses a further improvement lies in: the lower end of the transverse pipe extends to form a plurality of branch pipes respectively, and the branch pipes are in threaded connection with the filling and sealing head in sequence correspondingly.

The utility model discloses a further improvement lies in: the inboard below of being in charge of has inside sunken notch, has the internal thread on the notch, and the upper end of notch is inlayed and is equipped with the nylon blotter, and the outer terminal surface of irritating the head has the external screw thread, and external screw thread and internal thread screw-thread fit irritate the head and correspond and be in charge of threaded connection after, irritate the head and hug closely the setting with the nylon blotter.

The utility model discloses a further improvement lies in: the filling end socket is communicated with the interior of the branch pipe.

Compared with the prior art, the utility model has the following advantage:

1. liftable formula embedment head structure both can the oscilaltion, can realize the mobile embedment of casting glue again, flexible string is flexible along with the upper and lower drive of driving cylinder with the connecting pipe, and the casting glue flows to the expansion pipe through the diffusion opening in, flows to each embedment head through horizontal pipe again to realize closely the embedment, avoid the embedment to sputter.

2. The buffer gasket plays a role in preventing the pouring sealant from flowing to the space between the telescopic pipe and the connecting pipe, clamping stagnation between the telescopic pipe and the connecting pipe is avoided, certain friction force is provided between the buffer gasket and the telescopic pipe and between the buffer gasket and the connecting pipe, and the expansion between the telescopic pipe and the connecting pipe is not influenced under the pushing of the driving cylinder.

3. When the telescopic pipe stretches up and down, the clamping piece and the sealing pad slide on the outer end face of the telescopic pipe, so that external dust is prevented from entering the space between the telescopic hanger and the connecting pipe, and then once the pouring sealant leaks from the gap between the connecting pipe and the upper end of the telescopic pipe, the pouring sealant is absorbed by the sliding of the sealing pad, and the leakage of the pouring sealant is avoided.

4. When the casting glue is by horizontal duct flow to when being divided into the pipe to the embedment head, the casting glue very easily flows to the junction of being divided into pipe and embedment head, and the junction card ends unable realization dismantlement, and the setting of nylon blotter then has certain separation effect to the casting glue, avoids flowing to threaded connection department, and simultaneously, the terminal surface contact of nylon blotter and embedment head has certain frictional force, avoids the embedment head to take place to become flexible with the branch pipe.

Description of the drawings:

fig. 1 is a schematic structural diagram of a liftable encapsulation head structure for a sensor of the present invention.

Fig. 2 is an enlarged schematic view of structure B in fig. 1.

Reference numbers in the figures:

1-encapsulating a box body, 21-connecting pipes, 22-telescopic pipes, 23-diffusion openings, 24-transverse pipes, 25-encapsulating end sockets, 26-driving cylinders, 27-buffer gaskets, 28-glue-proof groups, 29-external threads, 210-notches, 211-nylon buffer pads, 212-branch pipes and 213-internal threads;

281-sealing pad, 282-clamping piece, 2821-U-shaped part and 2822-bending part.

The specific implementation mode is as follows:

in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship, such as those based on the drawings, are only for convenience of description and simplification of description, and do not indicate or imply that the structures or units indicated must have a specific orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise specified or limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, and those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.

As fig. 1 shows the utility model relates to an embodiment of a liftable formula embedment head structure for sensor, liftable formula embedment head structure sets up in embedment box 1, including connecting pipe 21 that runs through embedment box 1 and arrange the flexible pipe 22 in connecting pipe 21 in, the upper end of flexible pipe 22 is diffusion opening 23, the lower extreme of flexible pipe 22 is connected with horizontal pipe 24 perpendicularly, the lower extreme intercommunication of horizontal pipe 24 has a plurality of head 25 of irritating, flexible pipe 22, horizontal pipe 24 and embedment head 25 intercommunication, have a plurality of actuating cylinders 26 between the inside top of embedment box 1 and the horizontal pipe 24, buffer washer 27 has between the outer end of diffusion opening 23 and the inner wall of connecting pipe 21, connecting pipe 21 has with flexible pipe 22's junction and prevents gluey group 28.

Liftable formula embedment head structure in this application both can the oscilaltion, can realize the mobile embedment of casting glue again, and flexible string 22 is flexible along with the upper and lower drive of driving cylinder 26 with connecting pipe 21, and the casting glue flows to flexible pipe 22 through diffusion opening 23 in, flows to each embedment head 25 through horizontal pipe 24 again to realize the embedment.

The potting box 1 has a potting adhesive feed bin (a sealing structure for storing potting adhesive, not shown in the figure) above the diffusion opening 23, and the diffusion opening 23 has a guiding effect on the flow of the potting adhesive.

The buffer washer 27 plays a role in preventing the pouring sealant from flowing to the space between the extension tube 22 and the connection tube 21, so as to prevent the extension tube 22 and the connection tube 21 from being stuck, and the buffer washer 27 has a certain friction force with the extension tube 22 and the connection tube 21, but does not affect the extension and retraction between the extension tube 22 and the connection tube 21 under the pushing of the driving cylinder 26.

Further, the glue-proof set 28 includes a sealing pad 281 and a clip 282, the sealing pad 281 is disposed closely to the outer wall of the telescopic tube 22, and the clip 282 is disposed between the sealing pad 281 and the connecting tube 21.

Further, the clip 282 includes a U-shaped portion 2821 and a bending portion 2822 disposed at the lower end of the U-shaped portion 2821, a gap for the bending portion 2822 to be clipped is formed between the lower end of the connecting tube 21 and the telescopic tube 22, and the sealing pad 281 is clipped in the U-shaped portion 2821.

Further, the sealing pad 281 is a wool pad.

When the telescopic tube 22 is stretched up and down, the clamping piece 282 and the sealing pad 281 slide on the outer end face of the telescopic tube 22 to prevent external dust from entering between the telescopic hanger 22 and the connecting tube 21, and secondly, once the pouring sealant leaks from the gap between the upper end of the connecting tube 21 and the upper end of the telescopic tube 22, the sealing pad 281 slides to absorb the pouring sealant to prevent the pouring sealant from leaking.

In this application, can be fixed through threaded connection between connecting pipe 21 and the embedment box 1, convenient to detach, flexible pipe 22 of upward movement, accessible instrument takes out fastener 282 and wind-powered electricity generation 281 and changes.

Furthermore, a plurality of branch pipes 212 extend from the lower ends of the transverse pipes 24, and the branch pipes 212 are in threaded connection with the filling head 25 in sequence.

Further, as shown in fig. 2, an inward recessed notch 210 is formed in the lower portion of the inner side of the branch pipe 212, an internal thread 213 is formed in the notch 210, a nylon cushion 211 is embedded in the upper end of the notch 210, an external thread 29 is formed in the outer end face of the filling head 25, the external thread 29 is in threaded fit with the internal thread 213, and after the filling head 25 is in threaded connection with the corresponding branch pipe 212, the filling head 25 is tightly attached to the nylon cushion 211.

Further, the potting head 25 is in parallel communication with the interior of the branch pipe 212.

When the pouring sealant flows from the transverse pipe 24 to the branch pipe 212 to the pouring head 25, the pouring sealant easily flows to the joint of the branch pipe 212 and the pouring head 25, the joint is blocked and can not be detached, the nylon buffer cushion 211 has a certain blocking effect on the pouring sealant, and the flow to the threaded joint is avoided, meanwhile, the nylon buffer cushion 211 is in contact with the end face of the pouring head 25, has a certain friction force, and avoids the loosening of the pouring head 25 and the branch pipe 212.

The present invention is not limited to the above-described embodiments, and the description of the embodiments and the description is only illustrative of the principles of the present invention, and various changes and modifications can be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a liftable formula embedment head structure for sensor which characterized in that: liftable formula embedment head structure sets up in embedment box (1), including connecting pipe (21) that runs through embedment box (1) and arrange flexible pipe (22) in connecting pipe (21) in, the upper end of flexible pipe (22) is diffusion opening (23), the lower extreme of flexible pipe (22) is connected with horizontal pipe (24) perpendicularly, the lower extreme intercommunication of horizontal pipe (24) has a plurality of head (25) of irritating, flexible pipe (22), horizontal pipe (24) and irritate head (25) intercommunication, a plurality of actuating cylinders (26) have between the inside top of embedment box (1) and horizontal pipe (24), buffer washer (27) have between the outer end of diffusion opening (23) and the inner wall of connecting pipe (21), connecting pipe (21) and the junction of flexible pipe (22) have and prevent gluey group (28).

2. The liftable potting head structure for a sensor of claim 1, wherein: the glue prevention set (28) comprises a sealing pad (281) and a clamping piece (282), the sealing pad (281) is arranged close to the outer wall of the extension tube (22), and the clamping piece (282) is arranged between the sealing pad (281) and the connecting tube (21).

3. The liftable potting head structure for a sensor of claim 2, wherein: fastener (282) include U type portion (2821) and place in bending (2822) of U type portion (2821) lower extreme, have between the lower extreme of connecting pipe (21) and flexible pipe (22) and hold the clearance that bending (2822) were gone into, sealing pad (281) card is in U type portion (2821).

4. The liftable encapsulation head structure for the sensor according to claim 3, wherein: the sealing pad (281) is a wool pad.

5. The liftable potting head structure for a sensor of any of claims 1 to 4, wherein: the lower end of the transverse pipe (24) is respectively extended with a plurality of branch pipes (212), and the branch pipes (212) are sequentially and correspondingly in threaded connection with the filling end socket (25).

6. The liftable potting head structure for a sensor of claim 5, wherein: divide the inboard below of pipe (212) to have inside sunken notch (210), internal thread (213) have on notch (210), the upper end of notch (210) is inlayed and is equipped with nylon blotter (211), the outer terminal surface of irritating head (25) has external screw thread (29), external screw thread (29) and internal thread (213) screw-thread fit, irritate behind branch pipe (212) threaded connection that head (25) and correspond, irritate head (25) and hug closely the setting with nylon blotter (211).

7. The liftable potting head structure for a sensor of claim 6, wherein: the filling end socket (25) is communicated with the interior of the branch pipe (212) in parallel.

Images