Multifunctional bottled proximity switch fixing device

Abstract

The utility model discloses a multifunctional bottled proximity switch fixing device which comprises a fixing device body and a fixing support of the body, the fixing device body comprises a shell, and the shell is a columnar cavity and used for containing and wrapping a proximity switch and playing a role in protection; a cover plate is arranged on the shell and is combined with the shell to form a closed space; an air inlet is formed in the shell, threads are arranged in the air inlet and used for installing a pipe joint and being connected with an air supply pipeline, a compressed air connector is arranged on the air inlet, and the compressed air connector and the air inlet are in threaded connection. The proximity switch is arranged in the box body to play a role in isolating heat conduction and heat radiation; meanwhile, compressed air is introduced into the device for purging and cooling, and heat is continuously taken away; and a certain physical collision prevention function is achieved, the service life is prolonged, and faults are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor installation, in particular to a multifunctional bottled proximity switch fixing device. Background Art

[0002] A proximity switch is a position switch that can sense without contact with moving parts. When an object approaches the sensing surface of the switch to the action distance, the switch can be activated without contact or any pressure, thereby driving DC appliances or providing control instructions to computer (PLC) devices.

[0003] The advantages of proximity switches are that they have the characteristics of travel switches and micro switches, as well as sensing performance, reliable action, stable performance, fast frequency response, long service life, strong anti-interference ability, and are waterproof, shockproof, and corrosion-resistant. However, some shortcomings were also found during use.

[0004] When the proximity switch leaves the factory, it is generally equipped with two nuts and is installed and fixed by clamping. However, there are certain disadvantages to using this method to fix the proximity switch. First, the double nut clamping fixation form will become loose when used under vibrating conditions, causing the actual position of the switch to shift; second, the tools required during installation are not convenient for replacement, and the replacement process is relatively time-consuming. Third, most proximity switches also have the common problem of general electronic components, that is, they are not resistant to high temperatures. The suitable operating temperature range of the inductive proximity switch commonly used in the industrial field is generally between -25℃ and 70℃. If the ambient temperature exceeds 70℃, its service life will decrease rapidly. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a multifunctional bottled proximity switch fixing device, which solves the problems of the double-nut clamping fixing form in the prior art, which may become loose when used under vibrating working conditions, causing the actual position of the switch to shift; tools are required during installation, which makes replacement inconvenient, and the replacement process is relatively time-consuming; and the device is not resistant to high temperatures.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a multifunctional bottle-type proximity switch fixing device, comprising a fixing device body and a fixing bracket of the body, the fixing device body comprising a shell, the shell is a columnar cavity, used to accommodate and wrap the proximity switch, and play a protective role;

[0008] The shell is provided with a cover plate, which is combined with the shell to form a closed space;

[0009] The shell is provided with an air inlet hole, and a thread is provided inside the air inlet hole for installing a pipe joint, which is connected to the air supply pipeline. The air inlet hole is provided with a compressed air connector, and the two are threadedly connected.

[0010] Preferably, the fixture body is used to protect a proximity switch, the cavity diameter of the fixture body is larger than the diameter of the proximity switch, and the proximity switch comprises a proximity switch detection surface, a proximity switch detection head and a proximity switch cable.

[0011] Preferably, the fixing device body comprises a shell, a gland is provided on the shell, a top-mounted air outlet is provided on the gland, an inner edge of the gland is provided with a gland internal thread, and an inner surface of the gland is provided with a plurality of gland inner bosses, so that a uniform gap is maintained between the gland and the proximity switch, thereby enhancing air circulation on the detection surface of the proximity switch;

[0012] The housing is provided with a top-loading installation port, through which the proximity switch is placed, and the top-loading installation port is provided with an external installation port thread, so that the housing and the gland are threadedly connected; the housing is provided with a top-loading air inlet protruding from the housing, and a thread is provided inside the top-loading air inlet, which is used to connect the compressed air connector and let in compressed air; the bottom of the housing is provided with a top-loading wire outlet, the diameter of which is larger than the diameter of the proximity switch cable and smaller than the diameter of the proximity switch cylinder, and is used to lead out the proximity switch cable for heat insulation and cooling;

[0013] The inner wall of the shell is provided with a plurality of upper-mounted support bosses, which can stably support the proximity switch so that it does not shake left and right in the shell and maintains a uniform gap with the inner wall of the shell;

[0014] Since the inner boss of the gland and the top-mounted support boss separate the proximity switch from the inner surface of the housing, a large-area top-mounted air circulation cavity is generated inside the device.

[0015] Preferably, the processing thickness of the flat surface on the gland is 1 mm; the position of the top-mounted air outlet is selected to be on the outer side of the gland to prevent metal foreign matter from falling into the hole and falling above the proximity switch when there is no compressed air purge; the number of bosses on the inner side of the gland is 3, and their height is 1 mm; the number of top-mounted support bosses is 3.

[0016] Preferably, the fixing device body comprises a shell, the shell is provided with a base, a bottom-mounted wire outlet hole is provided on the shell, the diameter of the hole is larger than the diameter of the proximity switch cable and smaller than the diameter of the proximity switch cylinder, and is used to lead out the proximity switch cable for heat insulation and cooling; the base is provided with a base external thread;

[0017] The housing is provided with a bottom-mounted installation port, through which the proximity switch is placed, and the bottom-mounted installation port is provided with an internal thread matching the external thread of the base; the housing is provided with a bottom-mounted air inlet, which is provided with a thread for connecting a compressed air connector to allow compressed air to enter; the housing is provided with a bottom-mounted air outlet;

[0018] The top surface of the housing is provided with a plurality of bottom-mounted detection surface bosses, so that a uniform gap is maintained between the proximity switch and the housing, and air circulation on the detection surface of the proximity switch is enhanced; the upper portion of the housing is also provided with a plurality of bottom-mounted support bosses, which are used to fix the proximity switch, maintain a uniform gap, enhance internal air circulation, and force compressed air to pass through the detection surface of the proximity switch;

[0019] Since the bottom-mounted detection surface boss and the bottom-mounted support boss separate the proximity switch from the inner surface of the housing, a large-area bottom-mounted air circulation cavity is generated inside the device.

[0020] Preferably, the shell is a cylindrical hollow body, and a fixed bottle-type device bracket is arranged outside the shell.

[0021] Preferably, the compressed air connector is externally connected to a hose for introducing compressed air.

[0022] Preferably, the material of the multifunctional bottled proximity switch fixture is polyamide when the on-site temperature is not higher than 160°C; and polytetrafluoroethylene when the on-site temperature is not higher than 250°C.

[0023] The utility model provides a multifunctional bottle-type proximity switch fixing device, which has the following beneficial effects:

[0024] (1) The proximity switch is placed inside to isolate heat conduction and heat radiation. At the same time, compressed air is connected to the device for cooling and continuous heat removal. It also has a certain anti-physical impact function, which prolongs the service life and reduces the occurrence of failures.

[0025] (2) The material used is polyamide (nylon) or polytetrafluoroethylene (Teflon), the device is resistant to high temperature and is a non-thermal conductive material. It can significantly reduce the direct heat conduction between the peripheral equipment and the switch, and isolate the heat radiation of the heat source to the switch. It is a non-conductive material and will not affect the detection of the switch. It can be easily machined and easy to manufacture.

[0026] (3) Two installation structures: Different structures can be selected according to the on-site space conditions to quickly disassemble and assemble the proximity switch, realize wrench-free disassembly and assembly, and facilitate installation and operation, thereby achieving the effect of quickly troubleshooting.

[0027] (4) Due to the presence of the boss and the sufficient gap between the device and the switch, the airflow can flow over most of the switch surface. The compressed air enters from the air inlet through the air supply pipeline, passes through the gap between the inner wall of the device and the switch, and is blown out from the air outlet. The pressure of the airflow decreases from the air supply pipeline to this gap, and the volume expansion produces an endothermic effect. This dual effect can enhance the cooling effect of the switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a diagram of a proximity switch;

[0029] Figure 2 This is an external view of the top-loading gland;

[0030] Figure 3 This is an internal view of the top-loading gland;

[0031] Figure 4 It is an external view of the top-loading housing;

[0032] Figure 5 It is a bottom view of the top-loading housing;

[0033] Figure 6 It is the internal view of the top loading housing;

[0034] Figure 7 is a perspective view of a top-loading housing;

[0035] Figure 8 This is a diagram of the top-mounted proximity switch, housing and gland to be installed;

[0036] Fig. 9 This is a top-mounted installation diagram;

[0037] Fig.10 This is a perspective view after top loading installation;

[0038] Fig.11 It is an external view of the bottom-mounted housing;

[0039] Fig.12 It is a bottom view of the bottom-mounted housing;

[0040] Fig.13 For the interior of the bottom-mounted housing Figure 1 ;

[0041] Fig.14 For the interior of the bottom-mounted housing Figure 2 ;

[0042] Fig.15 It is a perspective view of the bottom-mounted housing;

[0043] Fig.16 For bottom-mounted base Figure 1 ;

[0044] Fig.17 For bottom-mounted base Figure 2 ;

[0045] Fig.18 This is a diagram of the bottom-mounted proximity switch, housing and base to be installed;

[0046] Fig.19 Bottom-mounted installation diagram

[0047] Fig. 20 This is a perspective view after bottom-mount installation;

[0048] Fig.21 This is the effect diagram of the bottle-type proximity switch fixing device;

[0049] Fig. 22 This is a comparison diagram after the improvement of the proximity switch fixture;

[0050] In the figure: 01 proximity switch detection surface, 02 proximity switch detection head, 03 proximity switch cable, 04 fixing bracket,

[0051] 1 top-mounted air outlet, 2 gland internal thread, 3 gland inner boss, 4 top-mounted mounting port, 5 mounting port external thread, 6 top-mounted air inlet, 7 top-mounted wire outlet, 8 top-mounted support boss, 9 top-mounted air circulation cavity,

[0052] 10 bottom-mounted air inlet hole, 11 bottom-mounted air outlet hole, 12 bottom-mounted mounting port, 13 bottom-mounted supporting boss, 14 bottom-mounted detection surface boss, 15 bottom-mounted wire outlet hole, 16 base external thread, 17 bottom-mounted air circulation cavity,

[0053] 18. Bottle-mounted device bracket, 19. Compressed air connection head. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in 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 in 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.

[0055] See also Figure 1-Figure 22 The utility model provides a technical solution: a multifunctional bottle-type proximity switch fixing device, including a fixing device body and a fixing bracket 04 of the body, the fixing device body includes a shell, the shell is a columnar cavity, used to accommodate and wrap the proximity switch, and play a protective role;

[0056] A cover plate is provided on the shell, and is combined with the shell to form a closed space;

[0057] The housing is provided with an air inlet hole, and a thread is provided in the air inlet hole for installing a pipe joint, which is connected to the air supply pipeline. A compressed air connector 19 is provided on the air inlet hole, and the two are threadedly connected.

[0058] The compressed air connector 19 is connected to an external hose for introducing compressed air.

[0059] The fixture body is used to protect the proximity switch. The cavity diameter of the fixture body is larger than the diameter of the proximity switch. The proximity switch comprises a proximity switch detection surface 01, a proximity switch detection head 02 and a proximity switch cable 03.

[0060] The outer shell is a columnar hollow body, and a fixed bottle-mounted device bracket 18 is arranged outside the outer shell.

[0061] See also Figure 2-Figure 10 The fixing device body includes a shell, a gland is provided on the shell, a top-mounted air outlet 1 is provided on the gland, a gland inner thread 2 is provided on the inner edge of the gland, and a plurality of gland inner bosses 3 are provided on the inner surface of the gland, so that a uniform gap is maintained between the gland and the proximity switch, thereby enhancing the air circulation of the proximity switch detection surface 01;

[0062] The housing is provided with a top-loading installation port 4, through which the proximity switch is placed, and the top-loading installation port 4 is provided with an external installation port thread 5, so that the housing and the gland are threadedly connected; the housing is provided with a top-loading air inlet 6 protruding from the housing, and a thread is provided inside the top-loading air inlet 6 for connecting the compressed air connector 19 to allow compressed air to enter; the bottom of the housing is provided with a top-loading wire outlet 7, which is larger than the diameter of the proximity switch cable 03 and smaller than the diameter of the proximity switch cylinder, and is used to lead out the proximity switch cable 03 for heat insulation and cooling;

[0063] The inner wall of the housing is provided with a plurality of upper-mounted support bosses 8, which can stably support the proximity switch so that it does not shake left and right in the housing and maintains a uniform gap with the inner wall of the housing;

[0064] Since the inner boss 3 of the gland and the top-mounted support boss 8 separate the proximity switch from the inner surface of the housing, a large-area top-mounted air circulation cavity 9 is generated inside the device.

[0065] The thickness of the flat surface on the gland is 1mm; the position of the top-mounted air outlet 1 is selected on the outer side of the gland to prevent metal foreign matter from falling into the hole and falling above the proximity switch when there is no compressed air purge; the number of bosses 3 on the inner side of the gland is 3, and the height is 1mm; the number of top-mounted support bosses 8 is 3.

[0066] Embodiment 1: When working, first insert the proximity switch cable 03 from the upper mounting opening 4 on the top of the shell, and then pass it out from the upper wire outlet hole 7. The bottom of the proximity switch is pressed tightly against the upper wire outlet hole 7 of the shell. The proximity switch is fixed in the upper supporting boss 8 in the shell, and finally the pressure cover is covered and tightened.

[0067] See also Figure 11-Figure 20 The fixing device body includes a shell, a base is provided on the shell, a bottom-mounted wire outlet hole 15 is provided on the shell, and the hole diameter is larger than the diameter of the proximity switch cable 03 and smaller than the diameter of the proximity switch cylinder, which is used to lead out the proximity switch cable 03 for heat insulation and cooling; the base is provided with a base external thread 16;

[0068] The housing is provided with a bottom-mounted installation port 12, through which the proximity switch is placed, and the bottom-mounted installation port 12 is provided with an internal thread matching the external thread 16 of the base; the housing is provided with a bottom-mounted air inlet 10, which is provided with a thread for connecting a compressed air connector 19 to allow compressed air to enter; the housing is provided with a bottom-mounted air outlet 11;

[0069] A plurality of bottom-mounted detection surface bosses 14 are provided on the top surface of the housing to maintain a uniform gap between the proximity switch and the housing, thereby enhancing air circulation on the proximity switch detection surface 01; a plurality of bottom-mounted support bosses 13 are also provided on the upper portion of the housing to fix the proximity switch, maintain a uniform gap, enhance internal air circulation, and force compressed air to pass through the proximity switch detection surface 01;

[0070] Since the bottom-mounted detection surface boss 14 and the bottom-mounted support boss 13 separate the proximity switch from the inner surface of the housing, a large bottom-mounted air circulation cavity 17 is generated inside the device.

[0071] In the second embodiment, when working, first pass the proximity switch cable 03 through the bottom-mounted outlet hole 15 of the base, then install the proximity switch together with the base into the bottom-mounted installation port 12 of the shell, and finally tighten the bottom cover and the shell thread.

[0072] The material of the multifunctional bottled proximity switch fixture is polyamide when the on-site temperature is not higher than 160°C; it is made of polytetrafluoroethylene when the on-site temperature is not higher than 250°C.

[0073] To sum up, placing the proximity switch in it can isolate heat conduction and heat radiation; at the same time, compressed air is connected to the device for purging and cooling, continuously taking away heat; it also has a certain anti-physical impact function, which prolongs the service life and reduces the occurrence of failures.

[0074] The material is polyamide (nylon) or polytetrafluoroethylene (Teflon), the device is resistant to high temperature and is a non-heat-conducting material. It can significantly reduce the direct heat conduction between the surrounding equipment and the switch, and isolate the heat radiation of the heat source to the switch. It is a non-conductive material and will not affect the detection of the switch. It can be easily machined and easy to manufacture.

[0075] Two installation structures: Different structures can be selected according to the on-site space conditions, which can quickly disassemble and assemble the proximity switch, realize wrench-free disassembly and assembly, and facilitate installation and operation, thereby achieving the effect of quickly troubleshooting.

[0076] Due to the provision of the boss and the sufficient gap between the device and the switch, the airflow can flow through most of the switch surface, and the compressed air enters from the air inlet through the air supply pipeline, passes through the gap between the inner wall of the device and the switch, and is blown out from the air outlet. The pressure of the airflow decreases from the air supply pipeline to this gap, and the volume expansion produces an endothermic effect. This dual effect can enhance the cooling effect of the switch.

[0077] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0078] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional bottle-type proximity switch fixing device, comprising a fixing device body and a fixing bracket (04) of the body, characterized in that: The fixing device body comprises a shell, which is a cylindrical hollow body and is used to accommodate and wrap the proximity switch to play a protective role; The shell is provided with a cover plate, which is combined with the shell to form a closed space; The housing is provided with an air inlet hole, the air inlet hole is provided with a thread for installing a pipe joint, connected to the air supply pipeline, and the air inlet hole is provided with a compressed air connector (19), the two are threadedly connected.

2. A multifunctional bottle-mounted proximity switch fixing device according to claim 1, characterized in that: The fixing device body is used to protect a proximity switch. The diameter of the cavity of the fixing device body is larger than the diameter of the proximity switch. The proximity switch comprises a proximity switch detection surface (01), a proximity switch detection head (02) and a proximity switch cable (03).

3. A multifunctional bottle-mounted proximity switch fixing device according to claim 2, characterized in that: The fixing device body comprises a shell, on which a gland is provided, on which a top-mounted air outlet (1) is provided, an inner edge of the gland is provided with a gland internal thread (2), and an inner surface of the gland is provided with a plurality of gland inner bosses (3), so that a uniform gap is maintained between the gland and the proximity switch, thereby enhancing air circulation on the proximity switch detection surface (01); The housing is provided with an upper mounting opening (4) through which the proximity switch is placed, and the upper mounting opening (4) is provided with an external mounting opening thread (5) so that the housing and the gland are threadedly connected; the housing is provided with an upper air inlet (6) protruding from the housing, which is provided with a thread inside for connecting to a compressed air connector (19) to allow compressed air to enter; the bottom of the housing is provided with an upper wire outlet hole (7). The diameter of the outlet hole is larger than the diameter of the proximity switch cable (03) and smaller than the diameter of the proximity switch column, and is used to lead out the proximity switch cable (03) for heat insulation and cooling; The inner wall of the shell is provided with a plurality of upper-mounted support bosses (8) which can stably support the proximity switch so that it does not shake left and right in the shell and maintains a uniform gap with the inner wall of the shell; Since the inner boss (3) of the gland and the upper-mounted support boss (8) separate the proximity switch from the inner surface of the housing, a large upper-mounted air circulation cavity (9) is generated inside the device.

4. The multifunctional bottle-mounted proximity switch fixing device according to claim 3 is characterized in that: The thickness of the flat surface on the gland is 1 mm; the position of the top-mounted air outlet (1) is selected to be on the outer side of the gland to prevent metal foreign matter from falling into the hole and falling onto the top of the proximity switch when there is no compressed air purge; the number of the bosses (3) on the inner side of the gland is 3, and the height of each boss is 1 mm; the number of the top-mounted support bosses (8) is 3.

5. The multifunctional bottle-mounted proximity switch fixing device according to claim 2, characterized in that: The fixing device body comprises a shell, the shell is provided with a base, a bottom-mounted wire outlet hole (15) is provided on the shell, the hole diameter is larger than the diameter of the proximity switch cable (03) and smaller than the diameter of the proximity switch column, and is used to lead out the proximity switch cable (03) for heat insulation and cooling; the base is provided with a base external thread (16); The housing is provided with a bottom-mounted installation opening (12) through which the proximity switch is placed, and the bottom-mounted installation opening (12) is provided with an internal thread matching the external thread (16) of the base; the housing is provided with a bottom-mounted air inlet (10) having a thread therein for connecting to a compressed air connector (19) to allow compressed air to enter; the housing is provided with a bottom-mounted air outlet (11); A plurality of bottom-mounted detection surface bosses (14) are provided on the top surface of the housing to maintain a uniform gap between the proximity switch and the housing, thereby enhancing air circulation on the proximity switch detection surface (01); a plurality of bottom-mounted support bosses (13) are also provided on the upper portion of the housing to fix the proximity switch, maintain a uniform gap, enhance internal air circulation, and force compressed air to pass through the proximity switch detection surface (01); Since the bottom-mounted detection surface boss (14) and the bottom-mounted support boss (13) separate the proximity switch from the inner surface of the housing, a large-area bottom-mounted air circulation cavity (17) is generated inside the device.

6. The multifunctional bottle-mounted proximity switch fixing device according to claim 1, characterized in that: The outer shell is a columnar hollow body, and a fixed bottle-type device bracket (18) is arranged outside the outer shell.

7. The multifunctional bottle-mounted proximity switch fixing device according to claim 1, characterized in that: The compressed air connector (19) is externally connected to a hose for introducing compressed air.

8. The multifunctional bottle-mounted proximity switch fixing device according to claim 1, characterized in that: The material of the multifunctional bottled proximity switch fixture is polyamide when the on-site temperature is less than 160°C.

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