Double-channel isolation type transmitter shell

Abstract

The utility model relates to the technical field of transmitters, in particular to a double-channel isolation type transmitter shell, which comprises a mounting groove arranged below the shell, protection seats are arranged on the left side and the right side of the shell, T-shaped columns are fixedly mounted on the front side and the rear side of each protection seat, connecting rods are arranged on the outer sides of the protection seats, and the T-shaped columns are fixedly mounted on the outer sides of the T-shaped columns. And a notch is formed in one side of the connecting rod, a protective cover which is in sealed butt joint with the top position of the protective seat is fixedly installed at the top of the connecting rod, and the connecting rod is movably connected with the T-shaped column in a sleeving mode through the notch. The terminal row in the protection seat is shielded and protected by the protection cover, so that the terminal row can be protected by the protection cover after wiring, the terminals can be protected from being exposed, the protection measures of sealing and dust prevention are added, dust and water can be effectively prevented from entering the positions of the terminals, the fault problems of poor contact, short circuit or open circuit are reduced, and the service life of the terminals is prolonged. Therefore, the reliability and the stability of the terminal are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmitter technical field, concretely is a kind of double-channel isolated transmitter housing. BACKGROUND

[0002] Double-channel isolated transmitter is a kind of equipment that can convert the data collected by sensor into standard signal, and realize field measurement, transmission and control;And two channels have isolation function.In the design of double-channel isolated transmitter, the shell as the key component to protect internal circuit and element, plays a vital role.

[0003] The design of shell not only considers its mechanical strength and protection level, but also pays special attention to the protection of terminal, because terminal is the bridge connecting transmitter and external circuit, and its reliability and stability directly affect the performance of the whole equipment.

[0004] The shell of conventional transmitter often neglects the effective protection of terminal, and terminal is exposed to the outside, which causes terminal to be easily affected by external factors such as dust and moisture, thereby causing poor contact, short circuit or open circuit failure, reducing the reliability and stability of transmitter use. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of double-channel isolated transmitter housing, with the characteristics of preventing dust and moisture from entering and improving use stability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of double-channel isolated transmitter housing, including installation slot being arranged in the lower of shell, the left and right sides of the shell are provided with protection seat, the front and back sides of the protection seat are fixedly installed with T-shaped column, the outside of the protection seat is provided with connecting rod, the side of the connecting rod is provided with slot, the top of the connecting rod is fixedly installed with the protection cover that is sealed with the top position of the protection seat, the connecting rod is movably sleeved with the T-shaped column by the slot.

[0007] In order to facilitate protection, as a kind of double-channel isolated transmitter housing of the utility model is preferred, the upper of the protection seat is provided with the placement slot for installing terminal row, the protection cover is sealedly installed with the position corresponding to the placement slot.

[0008] In order to facilitate movement, as a kind of double-channel isolated transmitter housing of the utility model is preferred, the inner side of the slot is movably installed with movable block, the inner side of the slot is provided with sliding groove that is slidably sleeved with the movable block.

[0009] In order to facilitate elastic reset, as a kind of double-channel isolated transmitter shell of the utility model preferably, the inner side of the notch is fixedly installed with reset spring, the top of the reset spring is fixedly installed with the bottom of the movable block, the movable block is in rotary contact with the T-shaped column.

[0010] In order to facilitate installation, as a kind of double-channel isolated transmitter shell of the utility model preferably, the bottom of the shell is fixedly installed with buckle, the bottom of the shell is movably installed with clamping plate.

[0011] In order to facilitate installation, as a kind of double-channel isolated transmitter shell of the utility model preferably, the bottom of the shell is provided with installation groove slidably sleeved with the clamping plate, the bottom of the installation groove is fixedly installed with fixed column.

[0012] In order to facilitate disassembly, as a kind of double-channel isolated transmitter shell of the utility model preferably, the surface of the clamping plate is provided with pull buckle groove, the inner side of the clamping plate is fixedly installed with elastic member, the center position of the elastic member is fixedly installed with the fixed column.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Through the shielding protection of the terminal row in the protection seat by the protection cover, the terminal row can be protected after wiring, so that the terminal can be protected from being exposed, sealing and dustproof protection measures are increased, dust and moisture can be effectively prevented from entering the terminal position, the fault problems of poor contact, short circuit or open circuit are reduced, and the reliability and stability of the terminal are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a partial exploded perspective view of the utility model;

[0016] Fig. 2 It is a top view perspective view of the utility model;

[0017] Fig. 3 It is a bottom view perspective view of the utility model;

[0018] Fig. 4 It is a partial perspective view of the utility model.

[0019] In the drawing: 1, shell;2, installation groove;3, protection seat;4, protection cover;5, placing groove;6, T-shaped column;7, connecting rod;8, notch;9, sliding groove;10, movable block;11, reset spring;12, buckle;13, installation groove;14, clamping plate;15, pull buckle groove;16, elastic member;17, fixed column. DETAILED DESCRIPTION

[0020] Please refer toFigs. 1 to 4 The utility model provides a double -channel isolated converter housing, including the installation groove 2 of setting in the lower part of shell 1, and the left and right sides of shell 1 are provided with the protection seat 3, and the front and back sides of protection seat 3 are fixedly installed with T -shaped post 6, and the outside of protection seat 3 is provided with connecting rod 7, and the side of connecting rod 7 is provided with slot 8, and the top of connecting rod 7 is fixedly installed with the protection cover 4 of sealing butt joint with the top position of protection seat 3, and connecting rod 7 is movably sleeved with T -shaped post 6 through slot 8.

[0021] In the embodiment: through setting connecting rod 7 and protection cover 4, can interface the terminal row of using protection cover 4 and protect after going up, make terminal can protect and avoid bare outside, increase the protective measure of sealing dustproof, can effectively prevent dust, moisture into terminal position, improve the stability of terminal connection use.

[0022] As a technical optimization scheme of the utility model, the upper portion of the protection seat 3 is provided with a placement groove 5 for mounting the terminal row, and the protection cover 4 is sealingly installed in position corresponding to the placement groove 5.

[0023] In the embodiment: through setting protection cover 4, placement groove 5, it is convenient to shield and protect the terminal row installed in the placement groove 5 by the protection cover 4, the terminal row can be protected by the protection cover 4 after wiring, so that the terminal can be protected from being exposed to the outside, and the stability of use is increased.

[0024] As a technical optimization scheme of the utility model, the inner side of the slot 8 is movably installed with a movable block 10, and the inner side of the slot 8 is provided with a sliding groove 9 slidably sleeved with the movable block 10; the inner side of the slot 8 is fixedly installed with a return spring 11, the top end of the return spring 11 is fixedly installed with the bottom of the movable block 10, and the movable block 10 is in rotational contact with the T-shaped post 6.

[0025] In the embodiment: through setting movable block 10, return spring 11, it is convenient to limit the movable block 10 by the T-shaped post 6 in the process of pulling the connecting rod 7, the connecting rod 7 drives the movable block 10 to rotate around the T-shaped post 6, the return spring 11 is elastically extruded by the movable block 10, the protection cover 4 is moved from the top position of the protection seat 3, it is convenient to connect and fix the external cable, after connection, the protection cover 4 is moved to the top position of the protection seat 3 for shielding and sealing protection, to prevent dust and moisture from entering, wherein the use of the return spring 11 is within the elastic coefficient range.

[0026] As a technical optimization scheme of the utility model, the bottom of the shell 1 is fixedly installed with a buckle 12, and the bottom of the shell 1 is movably installed with a clamping plate 14.

[0027] In the embodiment: through setting buckle 12, card plate 14, when installing to standard rail and using, buckle 12 and card plate 14 can be stably connected and installed to standard rail, and the device is conveniently installed and fixed.

[0028] As a technical optimization scheme of the utility model, the bottom of the shell 1 is provided with the installation groove 13 slidably sleeved with the card plate 14, and the bottom of the installation groove 13 is fixedly installed with the fixed column 17; the surface of the card plate 14 is provided with the pull slot 15, and the inner side of the card plate 14 is fixedly installed with the elastic element 16, and the center position of the elastic element 16 is fixedly installed with the fixed column 17.

[0029] In the embodiment: through setting pull slot 15, elastic element 16, the elastic action of elastic element 16 can make card plate 14 stably clamped on standard rail for installing the device, and through pull slot 15, the device installed on standard rail can be pulled to drive card plate 14 to slide along installation groove 13, so that card plate 14 is separated from standard rail and the device is disassembled.

[0030] Working principle: when the device is installed on external standard rail for use, pull slot 15 is pulled to drive card plate 14 to slide along installation groove 13, so that buckle 12 and card plate 14 are clamped on standard rail, when connecting external cable, protection cover 4 is moved away from the top position of protection seat 3 by pulling, in the process of pulling protection cover 4, T-shaped column 6 is limited to movable block 10 installed in connecting rod 7, connecting rod 7 drives movable block 10 to rotate around T-shaped column 6, movable block 10 is elastically extruded to reset spring 11, so that the moved protection cover 4 is temporarily positioned at the outer side of protection seat 3, then external cable is connected and fixed with the terminal installed in placing groove 5 through one side of protection seat 3, after connection, protection cover 4 is moved to the top position of protection seat 3 for shielding and sealing protection, to prevent dust and moisture from entering.

[0031] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as rivet and welding in the existing technology, the machinery, parts and equipment adopt the conventional type in the existing technology, and the circuit connection adopts the conventional connection mode in the existing technology, which will not be described in detail, and the contents not described in detail in the specification belong to the existing technology known to the professional technical personnel in the field.

[0032] In the description of the utility model, need explain, the term "vertical", "upper", "lower", "horizontal" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation structure and operation, therefore can not be understood as the limitation of the utility model.

[0033] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dual channel isolated transmitter housing comprising a mounting slot (2) formed in the lower portion of the housing (1), characterized in that: The left and right sides of the shell (1) are provided with protective seats (3), the front and back sides of the protective seat (3) are fixedly installed with T-shaped columns (6), the outer side of the protective seat (3) is provided with a connecting rod (7), one side of the connecting rod (7) is provided with a notch (8), the top of the connecting rod (7) is fixedly installed with a protective cover (4) which is sealingly connected with the top of the protective seat (3), and the connecting rod (7) is movably sleeved with the T-shaped column (6) through the notch (8).

2. A dual channel isolated transmitter housing as claimed in claim 1, wherein: The upper side of the protective seat (3) is provided with a placing groove (5) for installing terminals, and the protective cover (4) is sealingly installed in position with the placing groove (5).

3. A dual channel isolated transmitter housing as claimed in claim 1, wherein: The inner side of the notch (8) is movably installed with a movable block (10), and the inner side of the notch (8) is provided with a sliding groove (9) which is slidingly sleeved with the movable block (10).

4. A dual channel isolated transmitter housing as claimed in claim 3, wherein: The inner side of the notch (8) is fixedly installed with a reset spring (11), the top end of the reset spring (11) is fixedly installed with the bottom of the movable block (10), and the movable block (10) is rotatably contacted with the T-shaped column (6).

5. A dual channel isolated transmitter housing as claimed in claim 1, wherein: The bottom of the shell (1) is fixedly installed with a buckle (12), and the bottom of the shell (1) is movably installed with a clamping plate (14).

6. A dual channel isolated transmitter housing as claimed in claim 5, wherein: The bottom of the shell (1) is provided with an installation groove (13) which is slidingly sleeved with the clamping plate (14), and the bottom of the installation groove (13) is fixedly installed with a fixed column (17).

7. A dual channel isolated transmitter housing as claimed in claim 6, wherein: The surface of the clamping plate (14) is provided with a pulling buckle groove (15), the inner side of the clamping plate (14) is fixedly installed with an elastic member (16), and the center position of the elastic member (16) is fixedly installed with the fixed column (17).

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