CN216081797U

CN216081797U - Strong sealed temperature transmitter

Info

Publication number: CN216081797U
Application number: CN202121700157.7U
Authority: CN
Inventors: 王瑞
Original assignee: Hubei Chuangtian Lianhang Engineering Technology Co ltd
Current assignee: Hubei Chuangtian Lianhang Engineering Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-03-18
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a strongly sealed temperature transmitter, which comprises a temperature transmitter body, a measuring pipeline, a junction box, a box cover and a measuring rod, wherein a measuring hole is formed in the measuring pipeline, a fixing sleeve is arranged on the measuring pipeline and comprises an upper jacket and a lower jacket, a screw hole is formed in the upper jacket, the measuring rod sequentially penetrates through the screw hole and the measuring hole to penetrate into the measuring pipeline, the edges of the upper jacket and the lower jacket are fixedly connected with mounting blocks, two positioning rods and a screw rod positioned in the middle are fixedly connected onto the mounting block positioned on the lower jacket, a positioning hole and a through hole are formed in the mounting block positioned on the upper jacket, a fastening nut is screwed on the screw rod, a first gasket positioned below the fastening nut is sleeved on the screw rod in a sliding mode, and a rigid spring positioned below the first gasket is sleeved on the screw rod in a sliding mode. Meanwhile, the convenience of using the box cover is improved.

Description

Strong sealed temperature transmitter

Technical Field

The utility model relates to the technical field of temperature transmitters, in particular to a strong-sealing temperature transmitter.

Background

The temperature transmitter adopts a thermocouple and a thermal resistor as temperature measuring elements, outputs signals from the temperature measuring elements to a transmitter module, and converts the signals into current signals or voltage signals in linear relation with temperature after the signals are processed by circuits such as voltage stabilizing filtering, operational amplification, nonlinear correction, V/I conversion, constant current and reverse protection and the like, thereby being widely applied to temperature control systems of various industries;

when the temperature transmitter is installed, the measuring rod needs to be inserted into the measuring pipeline, and when the temperature transmitter is used, the situation that the measuring rod is poor in sealing performance with the measuring pipeline to cause leakage and damage easily occurs; after the temperature transmitter is installed, the temperature transmitter is easy to incline; and the box cover is generally connected with the junction box through an iron cable and the like, so that the matching process of opening and closing is inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a temperature transmitter with strong sealing to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a strong-sealing temperature transmitter comprises a temperature transmitter body and a measuring pipeline, wherein the temperature transmitter body comprises a junction box at the top, a box cover and a measuring rod, the measuring pipeline is provided with a measuring hole, a position on the measuring pipeline, which corresponds to the measuring hole, is sleeved with a fixing sleeve, the fixing sleeve comprises a semicircular upper jacket and a semicircular lower jacket, the upper jacket is provided with a screw hole which is coaxial with the measuring hole, the measuring rod sequentially penetrates through the screw hole and the measuring hole to penetrate into the measuring pipeline, the edges of the upper jacket and the lower jacket are fixedly connected with a mounting block, the mounting block on the lower jacket is fixedly connected with two symmetrically arranged positioning rods and a screw rod in the middle, the mounting block on the upper jacket is provided with a positioning hole which corresponds to the positioning rod and a through hole which corresponds to the screw rod, and the screw rod is screwed with a fastening nut, the screw rod is sleeved with a first gasket below the fastening nut in a sliding mode, and the screw rod is sleeved with a rigid spring below the first gasket in a sliding mode.

Preferably, the measuring pipe is provided with a sealing hole which is communicated with the screw hole, the sealing hole is provided with an elastic sealing ring, the measuring rod is movably sleeved with a cylindrical adjusting block, the diameter of the adjusting block is consistent with that of the screw hole, the outer side surface of the adjusting block is provided with an external thread, the middle part of the bottom surface of the adjusting block is provided with a blind hole, the diameter of the blind hole is slightly larger than that of the measuring rod, and the measuring rod is fixedly sleeved with a stop block in the blind hole.

Further preferably, the thickness of the elastic sealing ring is slightly larger than the depth of the sealing hole.

Preferably, a second gasket is movably sleeved on the measuring rod below the adjusting block.

Still further preferably, the side face of the junction box is fixedly connected with a telescopic rod, one side of the box cover is fixedly connected with a hinged block, and the hinged block is hinged and connected with the top end of the telescopic rod.

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

(1) the temperature transmitter is provided with the upper jacket and the lower jacket, the edges of the upper jacket and the lower jacket are connected together through the screw rod, the two sides of the screw rod are also provided with the positioning rods and the positioning holes, the upper jacket and the lower jacket are accurately installed together through the matching of the positioning rods and the positioning holes, meanwhile, the rigid spring is arranged between the screw rod and the screw cap, and in the installation process, the rigid spring can be extruded through the screw cap, so that the upper jacket and the lower jacket are in full contact with a measuring pipeline, a larger acting force is generated, the position of the upper jacket and the lower jacket is ensured to be sufficiently fixed, and when the temperature transmitter passes through the screw hole and the measuring hole, the temperature transmitter is not easy to incline.

(2) According to the temperature transmitter, the sealing hole with the same diameter as the screw hole is formed in the upper portion of the measuring hole, the elastic sealing ring is arranged in the sealing hole, the measuring rod is sleeved with the adjusting block, the bottom end of the adjusting block is provided with the blind hole, the outer side face of the adjusting block is provided with the external thread matched with the screw hole, the measuring rod is located in the blind hole, and the stop block is arranged in the blind hole.

(3) According to the temperature transmitter, one side of the junction box is connected with the free telescopic rod, the end part of the free telescopic rod is hinged with the box cover, the opening and closing of the box cover can be completed in a stretching, pushing and rotating mode, and the temperature transmitter is quicker and more convenient to use.

Drawings

FIG. 1 is a schematic diagram of a strong sealed temperature transmitter of the present invention;

FIG. 2 is a schematic cross-sectional view of a hermetically sealed temperature transmitter of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;

in the figure: 1. a temperature transmitter body; 101. a junction box; 102. a box cover; 103. a measuring rod; 104. an adjusting block; 105. blind holes; 106. a stopper; 107. a telescopic rod; 108. a hinged block; 109. a second gasket; 2. measuring a pipeline; 201. measuring a hole; 202. sealing the hole; 203. an elastic sealing ring; 3. fixing a sleeve; 301. an upper jacket; 302. a lower jacket; 303. a screw hole; 304. mounting blocks; 305. positioning a rod; 306. a screw; 307. positioning holes; 308. a through hole; 309. fastening a nut; 310. a first gasket; 311. a stiff spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a strong-sealing temperature transmitter comprises a temperature transmitter body 1 and a measuring pipeline 2, wherein the temperature transmitter body 1 comprises a junction box 101 at the top, a box cover 102 and a measuring rod 103, the measuring pipeline 2 is provided with a measuring hole 201, a fixing sleeve 3 is sleeved on the measuring pipeline 2 corresponding to the measuring hole 201, the fixing sleeve 3 comprises a semicircular upper jacket 301 and a semicircular lower jacket 302, the upper jacket 301 is provided with a screw hole 303 coaxial with the measuring hole 201, the upper half part of the screw hole 303 is provided with threads, the lower half part of the screw hole 303 is not provided with threads, the measuring rod 103 sequentially penetrates through the screw hole 303 and the measuring hole 201 to be deep into the measuring pipeline 2, the edges of the upper jacket 301 and the lower jacket 302 are fixedly connected with a mounting block 304, and the mounting block 304 on the lower jacket 302 is fixedly connected with two symmetrically arranged positioning rods 305 and a screw 306 in the middle part, a positioning hole 307 corresponding to the positioning rod 305 and a through hole 308 corresponding to the screw 306 are formed in the mounting block 304 on the upper jacket 301, the screw 306 is threaded with a fastening nut 309, a first gasket 310 below the fastening nut 309 is slidably sleeved on the screw 306, and a rigid spring 311 below the first gasket 310 is slidably sleeved on the screw 306;

a sealing hole 202 with the diameter equal to that of the screw hole 303 is further formed in the measuring pipeline 2 at the position of the measuring hole 201, an elastic sealing ring 203 is mounted in the sealing hole 202, a cylindrical adjusting block 104 is movably sleeved on the measuring rod 103, the diameter of the adjusting block 104 is consistent with that of the screw hole 303, external threads are arranged on the outer side surface of the adjusting block 104, a blind hole 105 with the diameter slightly larger than that of the measuring rod 103 is formed in the middle of the bottom surface of the adjusting block 104, and a stop block 106 is fixedly sleeved in the blind hole 105 on the measuring rod 103;

the thickness of the elastic sealing ring 203 is slightly larger than the depth of the sealing hole 202, when the adjusting block 104 extrudes the elastic sealing ring 203, the elastic sealing ring 203 can be better in sealing fit with the measuring rod 103-level sealing hole 202, and therefore the sealing performance of the mounting position is guaranteed;

the second gasket 109 is movably sleeved below the adjusting block 104 on the measuring rod 103, the adjusting block 104 rotates when being in threaded fit with the screw hole 303, the second gasket 109 is arranged to protect the elastic sealing ring 203 when the adjusting block 104 rotates and moves downwards to extrude the elastic sealing ring 203, and the service life of the elastic sealing ring 203 is prolonged;

the side fixedly connected with telescopic link 107 of terminal box 101, the plane at telescopic link 107 perpendicular to terminal box 101 place, telescopic link 107 include stiff end and flexible end, and the flexible section of telescopic link 107 can freely stretch out and draw back, and one side of terminal box 101 is fixed continuous with the stiff end of telescopic link 107, the articulated piece 108 of one side fixedly connected with of lid 102, articulated piece 108 links to each other with the top of telescopic link 107 is articulated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a strong sealed temperature transmitter, includes temperature transmitter body (1) and measuring tube (2), temperature transmitter body (1) includes terminal box (101), lid (102) and measuring stick (103) at top, its characterized in that: the measuring pipe (2) is provided with a measuring hole (201), the measuring pipe (2) is sleeved with a fixing sleeve (3) at a position corresponding to the measuring hole (201), the fixing sleeve (3) comprises a semicircular upper jacket (301) and a semicircular lower jacket (302), the upper jacket (301) is provided with a screw hole (303) coaxial with the measuring hole (201), the measuring rod (103) sequentially penetrates through the screw hole (303) and the measuring hole (201) to penetrate into the measuring pipe (2), the edges of the upper jacket (301) and the lower jacket (302) are fixedly connected with a mounting block (304), the mounting block (304) on the lower jacket (302) is fixedly connected with two symmetrically arranged positioning rods (305) and a screw rod (306) in the middle, and the mounting block (304) on the upper jacket (301) is provided with a positioning hole (307) corresponding to the positioning rod (305) and a through hole (308) corresponding to the screw rod (306), the screw rod (306) is threaded with a fastening nut (309), a first gasket (310) located below the fastening nut (309) is sleeved on the screw rod (306) in a sliding mode, and a rigid spring (311) located below the first gasket (310) is sleeved on the screw rod (306) in a sliding mode.

2. A highly sealed temperature transmitter as claimed in claim 1, wherein: the utility model discloses a measuring pipe is characterized in that it has still seted up sealed hole (202) with screw (303) with footpath to lie in measuring hole (201) department on measuring tube (2), elastic sealing ring (203) are installed to sealed hole (202), movable sleeve is equipped with regulating block (104) of cylinder type on measuring stick (103), the diameter of regulating block (104) is unanimous with screw (303), be equipped with the external screw thread on regulating block (104) lateral surface, blind hole (105) that the diameter slightly is greater than measuring stick (103) are seted up at regulating block (104) bottom surface middle part, it has dog (106) to fix the cover in blind hole (105) on measuring stick (103).

3. A highly sealed temperature transmitter as claimed in claim 2, wherein: the thickness of the elastic sealing ring (203) is slightly larger than the depth of the sealing hole (202).

4. A highly sealed temperature transmitter as claimed in claim 3, wherein: a second gasket (109) is movably sleeved on the measuring rod (103) below the adjusting block (104).

5. The strongly sealed temperature transmitter of any one of claims 1 to 4, wherein: the side face of the junction box (101) is fixedly connected with an expansion rod (107), one side of the box cover (102) is fixedly connected with a hinged block (108), and the hinged block (108) is hinged to the top end of the expansion rod (107).