Plug pin fixing type sensor outer shell

Abstract

The utility model relates to the technical field of sensing shells, and provides a bolt fixing type sensor outer shell which comprises a pipeline and a shell body movably connected to the outer surface of the pipeline, the outer surface of the pipeline is fixedly connected with a connecting seat, a bolt structure is arranged between the connecting seat and the shell body, and a sealing structure is arranged on the outer surface of the inner wall of the connecting seat. The lower end of the shell is movably connected with an embedded temperature measuring probe; the plug pin structure comprises two sets of upper pinning bases symmetrically and fixedly connected to the lower end of the shell, mounting holes are formed in the outer surfaces of the upper pinning bases, protruding bases are fixedly connected between the two sides of the connecting base and the pipeline, and connecting holes are formed in the outer surfaces of the protruding bases. According to the technical scheme, the problems that the two ends of an existing sensor outer shell are mostly fixed by adopting structures such as screws, but the position, extending into the pipeline, of the middle probe is not provided with a structure for reinforcing or connecting, and the pipeline is prone to breakage or leakage when being pressed and precooled are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor housings, and in particular to a latch-fixed sensor housing. Background Art

[0002] The sensor housing is usually used to protect the normal operation of the sensor and to maintain the stability of the sensor performance, so that the sensor always maintains a good working environment;

[0003] After searching, the authorization announcement number is CN213455668U, which is a sensor for water meter. The utility model uses an elastic arc-shaped pressure strip to make the sampling circuit board close to the bottom of the inner cavity, which is not only conducive to the distribution design of the sampling circuit board, but also can fix the sampling circuit board with a degree of tightness; while the existing sensor outer shell is mostly fixed with similar screws or bolts, and the outer shell is aligned from both ends for fixing;

[0004] However, the above-mentioned existing sensor housings mostly use screws and other structures to fix the two ends of the sensor housing, but there is no structure for reinforcement or connection at the middle probe extending into the pipeline, which can easily cause pipeline rupture or leakage when the pipeline is pressurized and pre-cooled. For this reason, we propose a pin-fixed sensor housing. Utility Model Content

[0005] The utility model provides a pin-fixed sensor housing, which solves the problem mentioned in the background technology that the existing sensor housings mostly use structures such as screws to fix the two ends of the sensor housing, but there is no structure for reinforcement or connection at the middle probe extending into the pipeline, which easily causes the pipeline to rupture or leak when the pipeline is pressurized and pre-cooled.

[0006] The technical solution of the utility model is as follows:

[0007] A plug-fixed sensor housing, comprising a pipe and a housing movably connected to the outer surface of the pipe, the outer surface of the pipe is fixedly connected to a connection seat, a plug structure is provided between the connection seat and the housing, a sealing structure is provided on the inner wall outer surface of the connection seat, and an embedded temperature measuring probe is movably connected to the lower end of the housing;

[0008] The latch structure includes two groups of upper pin seats symmetrically fixedly connected to the lower end of the shell, the outer surface of the upper pin seats is provided with mounting holes, and protruding seats are fixedly connected between the two sides of the connecting seat and the pipeline, and the outer surface of the protruding seat is provided with connecting holes, and the first and second shafts are respectively arranged in the two groups of mounting holes on the same axis.

[0009] As a further technical solution of the utility model, the root end of the No. 1 shaft is fixedly connected with a screw rod, the head end of the No. 1 shaft is fixedly connected with a rotating part, the root end of the No. 2 shaft is provided with a screw hole, the inner side of the head end of the No. 2 shaft is provided with a recessed groove, and a protrusion is fixedly connected to the inside of the mounting hole of the upper pin seat corresponding to the recessed groove.

[0010] As a further technical solution of the utility model, the sealing structure includes an inner groove opened on the inner outer surface of the connecting seat, a waterproof strip is arranged inside the inner groove, and a protruding strip is fixedly connected to the inner side of the waterproof strip.

[0011] As a further technical solution of the utility model, the two groups of upper pin seats are symmetrically distributed, the mounting holes are composed of two groups of columnar slot structures with different diameters, and the larger slot is located on the outside of the upper pin seat, and the aperture of the connecting hole matches the aperture of the smaller end of the mounting hole.

[0012] As a further technical solution of the utility model, the portion of the connecting seat corresponding to the two groups of upper pin seats is an arc-shaped structure, the spacing between the two groups of upper pin seats is equal to the thickness of the protruding seat in the same direction, the embedded temperature measuring probe matches the interior of the connecting seat, and the number of corresponding mounting holes in one group of upper pin seats is two groups and is symmetrically distributed.

[0013] As a further technical solution of the utility model, the second shaft and the first shaft are matched with a group of mounting holes and half of the cavity of the connecting hole, the protrusion is only arranged inside the pin seat on one side, and the recessed groove matches the protrusion.

[0014] As a further technical solution of the utility model, the screw rod matches the screw hole, the No. 1 shaft and the No. 2 shaft are threadedly connected, and the tightness of the connection between the embedded temperature measuring probe and the connecting seat is strengthened through the connection between the No. 2 shaft and the No. 1 shaft.

[0015] As a further technical solution of the utility model, the inner groove is an annular groove structure, the waterproof strip is an elastic material, and the waterproof strip matches the inner groove, the protruding strip is an insulating rubber material, the number of the protruding strips is three groups, and the spacing between two adjacent groups of protruding strips is equal.

[0016] The working principle and beneficial effects of the utility model are:

[0017] In the utility model, through the effect of the latch structure, a latch fixing structure is added during use, and reinforcement is performed between the embedded temperature measuring probe and the connecting seat, thereby enhancing the pressure resistance level and antifreeze ability of the pipeline, ensuring that there is no water leakage or damage under greater pressure, and making the connection between the pipeline and the embedded temperature measuring probe more stable and stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 Schematic diagram of the local structure from another perspective;

[0021] Figure 3 It is a schematic diagram of the local structure of the connection between the second shaft and the first shaft of the utility model;

[0022] Figure 4 It is a partial structural schematic diagram of the utility model when the second shaft is disassembled and assembled at the mounting hole;

[0023] Figure 5 It is a schematic diagram of the partial structure of the disassembled sealing structure of the utility model.

[0024] In the figure: 1. pipeline; 2. shell; 3. connecting seat; 4. latch structure; 41. upper pin seat; 42. mounting hole; 421. protrusion; 43. shaft No. 1; 431. screw; 432. rotating part; 44. shaft No. 2; 441. screw hole; 442. recessed groove; 45. protruding seat; 451. connecting hole; 5. sealing structure; 51. inner groove; 52. waterproof strip; 53. protruding strip; 6. embedded temperature probe. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] like Figure 1 to Figure 4 As shown, this embodiment proposes a pin-fixed sensor housing, comprising a pipe 1 and a housing 2 movably connected to the outer surface of the pipe 1, a connecting seat 3 is fixedly connected to the outer surface of the pipe 1, a pin structure 4 is arranged between the connecting seat 3 and the housing 2, a sealing structure 5 is arranged on the outer surface of the inner wall of the connecting seat 3, and an embedded temperature measuring probe 6 is movably connected to the lower end of the housing 2;

[0028] The latch structure 4 includes two groups of upper pin seats 41 symmetrically fixedly connected to the lower end of the shell body 2, the outer surface of the upper pin seat 41 is provided with a mounting hole 42, and protruding seats 45 are fixedly connected between the two sides of the connecting seat 3 and the pipeline 1, and the outer surface of the protruding seat 45 is provided with a connecting hole 451, and a first shaft 43 and a second shaft 44 are respectively arranged in the two groups of mounting holes 42 on the same axis; the root end of the No. 1 shaft 43 is fixedly connected with a screw rod 431, the head end of the No. 1 shaft 43 is fixedly connected with a rotating part 432, the root end of the No. 2 shaft 44 is provided with a screw hole 441, and the inner side of the head end of the No. 2 shaft 44 is provided with a recessed groove 442, and a protrusion 421 is fixedly connected to the inside of the mounting hole 42 of the upper pin seat 41 corresponding to the recessed groove 442.

[0029] The two groups of upper pin seats 41 are symmetrically distributed, and the mounting holes 42 are composed of two groups of columnar groove structures with different diameters, and the larger groove is located on the outside of the upper pin seat 41, and the aperture of the connecting hole 451 matches the aperture of the smaller end of the mounting hole 42; the portion corresponding to the connecting seat 3 between the two groups of upper pin seats 41 is an arc structure, and the spacing between the two groups of upper pin seats 41 is equal to the thickness of the protruding seat 45 in the same direction, and the embedded temperature probe 6 matches the inside of the connecting seat 3, and one group of upper pin seats 4 1 The number of corresponding mounting holes 42 is two groups and they are symmetrically distributed; the second shaft 44 and the first shaft 43 are matched with a group of mounting holes 42 and the cavity of half of the connecting hole 451, the protrusion 421 is only arranged inside the pin-fitting seat 41 on one side, and the concave groove 442 matches the protrusion 421; the screw rod 431 matches the screw hole 441, the first shaft 43 and the second shaft 44 are threadedly connected, and the tightness of the connection between the embedded temperature measuring probe 6 and the connecting seat 3 is strengthened through the connection between the second shaft 44 and the first shaft 43.

[0030] In this embodiment, when in use, the user can insert the two sets of upper pin seats 41 into the gap at the lower end corresponding to the protruding seat 45 downward until the axis of the mounting hole 42 coincides with the connecting hole 451. At this time, the embedded temperature measuring probe 6 corresponds to the internal insertion connection of the connecting seat 3. After that, the user only needs to insert the second shaft 44 into the mounting hole 42 with the protrusion 421, so that the recessed groove 442 corresponds to the position of the protrusion 421, and at the same time, the first shaft 43 is inserted from another set of symmetrical mounting holes 42. The user rotates the rotating part 432 so that one end of the screw 431 is rotated and screwed into the inside of the screw hole 441 to complete the connection between the second shaft 44 and the first shaft 43.

[0031] During use, a pin-fixed structure is added to strengthen the space between the embedded temperature probe 6 and the connecting seat 3, thereby enhancing the pressure resistance and anti-freezing ability of the pipeline 1, ensuring that there is no leakage or damage under high pressure, and making the connection between the pipeline 1 and the embedded temperature probe 6 more stable and stronger.

[0032] Example 2

[0033] like Figure 5 As shown, based on Example 1, it is further proposed that the sealing structure 5 includes an inner groove 51 opened on the inner outer surface of the connecting seat 3, a waterproof strip 52 is arranged inside the inner groove 51, and a protruding strip 53 is fixedly connected to the inner side of the waterproof strip 52.

[0034] The inner groove 51 is an annular groove structure, the waterproof strip 52 is an elastic material, and the waterproof strip 52 matches the inner groove 51, the protruding strip 53 is a heat-insulating rubber material, the number of the protruding strips 53 is three groups, and the spacing between two adjacent groups of protruding strips 53 is equal.

[0035] In this embodiment, three groups of spaced-apart protruding strips 53 can enhance the tightness of the connection between the embedded temperature probe 6 and the connecting socket 3, so that the area is not affected by external temperature, thereby making the final measured temperature more accurate and reliable.

[0036] During use, the sealing effect between the embedded temperature measuring probe 6 and the connecting seat 3 can be enhanced during the application process, so that the embedded temperature measuring probe 6 is not affected by the outside and completes the sensing functions such as temperature measurement.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pin-fixed sensor housing, comprising a pipe (1) and a housing (2) movably connected to the outer surface of the pipe (1), characterized in that: The outer surface of the pipe (1) is fixedly connected to a connection seat (3), a latch structure (4) is provided between the connection seat (3) and the shell (2), a sealing structure (5) is provided on the outer surface of the inner wall of the connection seat (3), and the lower end of the shell (2) is movably connected to an embedded temperature measuring probe (6); The latch structure (4) comprises two groups of upper pin seats (41) symmetrically fixedly connected to the lower end of the housing (2), the outer surface of the upper pin seats (41) being provided with mounting holes (42), protruding seats (45) being fixedly connected between the two sides of the connecting seat (3) and the pipe (1), the outer surface of the protruding seat (45) being provided with connecting holes (451), and a first shaft (43) and a second shaft (44) being respectively provided in the two groups of mounting holes (42) on the same axis.

2. The latch-fixed sensor housing according to claim 1, characterized in that: The root end of the first shaft (43) is fixedly connected with a screw rod (431), the head end of the first shaft (43) is fixedly connected with a rotating part (432), the root end of the second shaft (44) is provided with a screw hole (441), the inner side of the head end of the second shaft (44) is provided with a recessed groove (442), and a protrusion (421) is fixedly connected to the inside of the mounting hole (42) of the upper pin seat (41) corresponding to the recessed groove (442).

3. The pin-fixed sensor housing according to claim 1, characterized in that: The sealing structure (5) comprises an inner groove (51) formed on the inner outer surface of the connecting seat (3), a waterproof strip (52) is arranged inside the inner groove (51), and a protruding strip (53) is fixedly connected to the inner side of the waterproof strip (52).

4. The latch-fixed sensor housing according to claim 2, characterized in that: The two groups of upper pin seats (41) are symmetrically distributed, the mounting hole (42) is composed of two groups of columnar slot structures with different diameters, and the larger slot is located outside the upper pin seat (41), and the aperture of the connecting hole (451) matches the aperture of the smaller end of the mounting hole (42).

5. The plug-fixed sensor housing according to claim 4, characterized in that: The portion of the connecting seat (3) corresponding to the two groups of upper pin seats (41) is an arc-shaped structure, the spacing between the two groups of upper pin seats (41) is equal to the thickness of the protruding seat (45) in the same direction, the embedded temperature measuring probe (6) matches the interior of the connecting seat (3), and the number of the mounting holes (42) corresponding to one group of upper pin seats (41) is two groups and is symmetrically distributed.

6. The latch-fixed sensor housing according to claim 5, characterized in that: The second shaft (44) and the first shaft (43) are matched with the cavities of a group of mounting holes (42) and half of the connecting hole (451), the protrusion (421) is only arranged inside the pin seat (41) on one side, and the recessed groove (442) matches the protrusion (421).

7. The latch-fixed sensor housing according to claim 6, characterized in that: The screw rod (431) matches the screw hole (441), and the first shaft (43) and the second shaft (44) are threadedly connected. The connection between the second shaft (44) and the first shaft (43) strengthens the tightness of the connection between the embedded temperature measuring probe (6) and the connecting seat (3).

8. The plug-fixed sensor housing according to claim 3, characterized in that: The inner groove (51) is an annular groove structure, the waterproof strip (52) is made of elastic material, and the waterproof strip (52) matches the inner groove (51), the protruding strip (53) is made of heat-insulating rubber material, the number of the protruding strips (53) is three groups, and the spacing between two adjacent groups of protruding strips (53) is equal.

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