CN214843681U - Thermal resistance isolation temperature transmitter - Google Patents

Abstract

The utility model discloses a thermal resistance isolation temperature transmitter, which comprises a shell, wherein the lower end of the shell is fixedly provided with a mounting seat, the lower end of the mounting seat is fixedly connected with a temperature probe, a fixing nut is fixedly arranged on the temperature probe, the two ends of the shell are respectively provided with a front cover and a rear cover in a threaded manner, a display screen is arranged between the front cover and the shell, a sealing sleeve is arranged on the front cover in a sliding manner, the inner wall of the sealing sleeve is fixedly connected with a clamping component, a first clamping groove is arranged on the shell, a second clamping groove is arranged inside the first clamping groove, one end of the clamping component is clamped and fixed inside the second clamping groove, the utility model increases the sealing effect of the connection part between the upper part and the part of the thermal resistance temperature transmitter, reduces the moisture entering the inside of the thermal resistance temperature transmitter, and ensures that the internal electric elements stably run, the service life of the equipment is prolonged to a certain extent.

Description

Thermal resistance isolation temperature transmitter

Technical Field

The utility model relates to a temperature transmitter technical field specifically is a temperature transmitter is kept apart to thermal resistance.

Background

The thermal resistance temperature transmitter is directly arranged in a Pt100 platinum resistance junction box, converts resistance signals of a thermal resistance into two-wire system 4-20mA for output, is used when the Pt100 platinum resistance signals need to be transmitted remotely and strong interference sources exist on site or the signals need to be accessed into a DCS (distributed control system), mainly adopts a temperature probe as a temperature measuring element, transmits signals output by the temperature measuring element to a transmitter module, and outputs the signals into digital signals which are in linear relation with the temperature through voltage stabilization filtering, operational amplification and conversion.

But some operational environment of thermal resistance temperature transmitter among the prior art are comparatively abominable, and operational environment's humidity is great, and the sealed effect of the junction between last part of thermal resistance temperature transmitter and the part is not good, probably has moisture and gets into thermal resistance temperature transmitter's inside from the gap, causes the short circuit of its inside circuit, leads to equipment damage even, has reduced the life of equipment to a certain extent, therefore we need provide a thermal resistance isolation temperature transmitter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal resistance keeps apart temperature transmitter has increased the sealed effect of the junction between thermal resistance temperature transmitter upper part and the part, reduces moisture and gets into thermal resistance temperature transmitter's inside, makes its inside electrical components steady operation, has improved the life of equipment to a certain extent to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a temperature transmitter is kept apart to thermal resistance, includes the shell, the lower extreme fixed mounting of shell has the mount pad, the lower extreme fixedly connected with temperature probe of mount pad, fixed mounting has fixing nut on the temperature probe, protecgulum and hou gai are installed to the both ends of shell screw thread respectively, install the display screen between protecgulum and the shell, slidable mounting has sealed sleeve on the protecgulum, sealed sleeve's inner wall fixedly connected with joint subassembly, first draw-in groove has been seted up on the shell, the second draw-in groove has been seted up to the inside of first draw-in groove, the one end joint of joint subassembly is fixed in the inside of second draw-in groove.

Preferably, the inner wall of the sealing sleeve is fixedly connected with a sliding block, the sliding block is a T-shaped sliding block, a sliding groove is formed in the front cover, and the sliding block is slidably mounted inside the sliding groove.

Preferably, the clamping component comprises a fixed block, a groove is formed in the lower end of the fixed block, a spring is fixedly connected to the inner top of the groove, a clamping block is fixedly connected to one end of the spring, and the clamping block is clamped and fixed inside the second clamping groove.

Preferably, the first clamping groove is a semi-cylindrical clamping groove, the fixing block is a semi-cylindrical fixing block, and the fixing block is slidably mounted inside the first clamping groove.

Preferably, the two ends of the housing are fixedly connected with a first threaded pipe and a second threaded pipe respectively, the rear cover is connected to the first threaded pipe in a threaded manner, and the front cover is connected to the second threaded pipe in a threaded manner.

Preferably, the shell is fixedly provided with a wire box, the wire box is communicated with the inside of the shell, and the end part of the wire box is provided with a wire bundling opening.

Compared with the prior art, the beneficial effects of the utility model are that:

through the protecgulum, the back lid, sealing sleeve, the joint subassembly, the design of first draw-in groove and second draw-in groove, sealing sleeve slides to the junction of shell and protecgulum in the protecgulum, and it slides to drive the joint subassembly in the inside of first draw-in groove, when the inner wall of the first draw-in groove of one side laminating of fixed block, the fixture block is located the upper end of second draw-in groove, and spring recovery elastic deformation, release the recess with the fixture block, the one end joint of fixture block is fixed in the inside of second draw-in groove, will seal the sleeve and fix on the junction between protecgulum and shell, the utility model discloses increased the sealed effect of the junction between thermal resistance temperature transmitter upper part and the part, reduced moisture and got into thermal resistance temperature transmitter's inside, made its inside electrical component steady operation, improved the life of equipment to a certain extent.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the housing, the front cover, the rear cover, the first threaded pipe and the second threaded pipe of the present invention;

fig. 3 is a schematic structural diagram of the housing, the first engaging groove and the second engaging groove of the present invention;

fig. 4 is a schematic structural view of the sealing sleeve, the front cover, the sliding groove, the sliding block and the clamping assembly of the present invention;

FIG. 5 is a schematic structural view of the clamping assembly of the present invention;

fig. 6 is the schematic view of the three-dimensional structure of the fixing block, the groove and the fixture block of the present invention.

In the figure: 1. a housing; 2. a wire box; 3. a rear cover; 4. a wire bundling port; 5. a front cover; 6. a display screen; 7. a mounting seat; 8. fixing a nut; 9. a temperature probe; 10. a first threaded pipe; 11. a second threaded pipe; 12. a first card slot; 13. a second card slot; 14. a sealing sleeve; 15. a slider; 16. a clamping assembly; 17. a chute; 161. a fixed block; 162. a groove; 163. a spring; 164. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model provides a technical solution: a thermal resistance isolation temperature transmitter comprises a shell 1, wherein a mounting seat 7 is fixedly mounted at the lower end of the shell 1, a temperature probe 9 is fixedly connected to the lower end of the mounting seat 7, a fixing nut 8 is fixedly mounted on the temperature probe 9, a front cover 5 and a rear cover 3 are respectively mounted at two ends of the shell 1 through threads, internal threads are respectively arranged inside the front cover 5 and the rear cover 3, a damp-proof effect is achieved on electrical elements inside the shell, moisture is reduced, a first threaded pipe 10 and a second threaded pipe 11 are respectively fixedly connected at two ends of the shell 1, the rear cover 3 is in threaded connection with the first threaded pipe 10, and the front cover 5 is in threaded connection with the second threaded pipe 11;

the temperature changer is characterized in that a wire box 2 is fixedly mounted on a shell 1, the wire box 2 is communicated with the interior of the shell 1, the end part of the wire box 2 is provided with two groups of wire bunching ports 4, the two groups of wire bunching ports 4 are positioned on two sides of the wire box 2 which are not adjacent, so that a lead can conveniently pass through the wire bunching ports 4 and the wire box 2 to be electrically connected with the temperature changer inside the shell 1, a display screen 6 is mounted between a front cover 5 and the shell 1, a sealing sleeve 14 is slidably mounted on the front cover 5, sliders 15 are fixedly connected to the inner wall of the sealing sleeve 14, the sliders 15 are arranged in four groups in an array mode, the sliders 15 are T-shaped sliders, the stability of the sliding process of the sealing sleeve 14 is improved, a sliding chute 17 is formed in the front cover 5, the sliding chute 17 and the sliders 15 are correspondingly arranged, and the sliders 15 are slidably mounted inside the sliding chute 17;

as shown in fig. 3-4, the inner wall of the sealing sleeve 14 is fixedly connected with a clamping assembly 16, the clamping assembly 16 is provided with four groups in an annular array, the clamping assembly 16 and the sliding block 15 are arranged in a staggered manner, the housing 1 is provided with first clamping grooves 12, the first clamping grooves 12 are provided with eight groups in an annular array, the front cover 5 is also provided with four groups of first clamping grooves 12 which are the same as those on the housing 1, the housing 1 and the front cover 5 are aligned with each other, a second clamping groove 13 is provided inside the first clamping groove 12 on the housing 1, and one end of the clamping assembly 16 is clamped and fixed inside the second clamping groove 13;

as shown in fig. 5 to 6, the clamping assembly 16 includes a fixing block 161, a groove 162 is formed at a lower end of the fixing block 161, a spring 163 is fixedly connected to an inner top of the groove 162, a fixture 164 is fixedly connected to one end of the spring 163, an end of the fixture 164 is set to be a spherical surface, end surfaces of the second clamping groove 13 and the fixture 164 are correspondingly arranged, the fixture 164 is clamped and fixed inside the second clamping groove 13, the first clamping groove 12 is set to be a semi-cylindrical clamping groove, the fixing block 161 is set to be a semi-cylindrical fixing block, and the fixing block 161 is slidably mounted inside the first clamping groove 12.

In the specific implementation process, the rear cover 3 is connected to the first threaded pipe 10 in a threaded manner, the front cover 5 is connected to the second threaded pipe 11 in a threaded manner, the display screen 6 is clamped and fixed between the shell 1 and the front cover 5, the sealing effect of the device is improved, the sealing sleeve 14 is dragged, the sealing sleeve 14 slides from the front cover 5 to the joint of the shell 1 and the front cover 5, the sliding block 15 is driven to slide in the sliding groove 17, the clamping component 16 slides in the first clamping groove 12, in the sliding process of the clamping component 16, the clamping block 164 abuts against the inner wall of the first clamping groove 12, the clamping block 164 upwardly presses the spring 163 and the clamping block 164 is pressed into the groove 162, when one side of the clamping block 161 is attached to the inner wall of the first clamping groove 12, the clamping block 164 is located at the upper end of the second clamping groove 13, the spring 163 recovers elastic deformation, the clamping block 164 is pushed out of the groove 162, one end of the clamping block 164 is clamped and fixed in the second clamping groove 13, the moisture is reduced from entering the inside of the housing 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A thermal resistance isolation temperature transmitter, includes shell (1), its characterized in that: the utility model discloses a temperature monitoring device, including shell (1), lower extreme fixed mounting of shell (1) has mount pad (7), lower extreme fixedly connected with temperature probe (9) of mount pad (7), fixed mounting has fixation nut (8) on temperature probe (9), protecgulum (5) and hou gai (3) are installed to the both ends difference screw thread of shell (1), install display screen (6) between protecgulum (5) and shell (1), slidable mounting has sealing sleeve (14) on protecgulum (5), the inner wall fixedly connected with joint subassembly (16) of sealing sleeve (14), first draw-in groove (12) have been seted up on shell (1), second draw-in groove (13) have been seted up to the inside of first draw-in groove (12), the one end joint of joint subassembly (16) is fixed in the inside of second draw-in groove (13).

2. A thermal resistance isolation temperature transmitter as claimed in claim 1, wherein: the inner wall of the sealing sleeve (14) is fixedly connected with a sliding block (15), the sliding block (15) is a T-shaped sliding block, a sliding groove (17) is formed in the front cover (5), and the sliding block (15) is slidably mounted inside the sliding groove (17).

3. A thermal resistance isolation temperature transmitter as claimed in claim 1, wherein: joint subassembly (16) are including fixed block (161), recess (162) are seted up to the lower extreme of fixed block (161), the interior top fixedly connected with spring (163) of recess (162), the one end fixedly connected with fixture block (164) of spring (163), the inside in second draw-in groove (13) is fixed in fixture block (164) joint.

4. A thermal resistance isolation temperature transmitter as claimed in claim 3, wherein: first draw-in groove (12) set up to the draw-in groove of semicircle column, fixed block (161) set up to the fixed block of semicircle form, fixed block (161) slidable mounting is in the inside of first draw-in groove (12).

5. A thermal resistance isolation temperature transmitter as claimed in claim 1, wherein: the two ends of the shell (1) are fixedly connected with a first threaded pipe (10) and a second threaded pipe (11) respectively, the rear cover (3) is in threaded connection with the first threaded pipe (10), and the front cover (5) is in threaded connection with the second threaded pipe (11).

6. A thermal resistance isolation temperature transmitter as claimed in claim 1, wherein: the wire box (2) is fixedly mounted on the shell (1), the wire box (2) is communicated with the inside of the shell (1), and a wire bundling opening (4) is formed in the end portion of the wire box (2).

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