CN212059143U

CN212059143U - Temperature sensing blind pipe easy to assemble

Info

Publication number: CN212059143U
Application number: CN202020643179.3U
Authority: CN
Inventors: 陈新萍
Original assignee: Xinchang Jingxin Precision Machinery Fitting Co ltd
Current assignee: Xinchang Jingxin Precision Machinery Fitting Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-01
Anticipated expiration: 2030-04-24

Abstract

The invention provides a temperature sensing blind pipe convenient to install, which comprises a hollow blind pipe main body and a temperature sensing probe arranged in the blind pipe main body, wherein one end of the blind pipe main body is provided with an assembling mechanism for installing the temperature sensing probe, and the other end of the blind pipe main body is provided with a positioning mechanism for positioning the temperature sensing probe; the assembling mechanism comprises a connecting sleeve which is coaxial with the blind pipe main body, a connector which is matched with the connecting sleeve is arranged on the temperature sensing probe, and a sealing assembly is arranged on the connector. The temperature-sensing probe is simple in structure and easy to install and use, when an operator installs the temperature-sensing probe, the operator does not need to accurately align the installation gap, the positioning ring on the temperature-sensing probe can play a good role in guiding, and the positioning ring can play a good role in protecting the temperature-sensing probe.

Description

Temperature sensing blind pipe easy to assemble

Technical Field

The invention belongs to the field of temperature sensing blind pipes, and particularly relates to a temperature sensing blind pipe convenient to mount.

Background

In a water tank of a water heater and the like, a temperature sensing blind pipe is often used for measuring the water temperature. In the prior art, most of temperature sensing blind pipes extend into the water tank from the top of the water tank and are influenced by the use environment, for example, when the temperature of water in the water tank is lower than the temperature of the external environment, the condition of condensate water in the temperature sensing blind pipes can occur, therefore, after the temperature sensing blind pipes are generally used for a period of time, the condensate water can be deposited at the bottoms of the temperature sensing blind pipes, and in the traditional temperature sensing blind pipes, sensors are generally placed at the bottoms of hollow spaces of the temperature sensing blind pipes, and can be contacted or soaked in the condensate water in the use process, so that the sensitivity is reduced, and the reliability of equipment is influenced;

aiming at the problems, the current solution is to fix the sensor by means of binding the sensor line body by an installer so as to keep a certain distance between the sensor and the bottom of the temperature sensing blind pipe, thereby reducing the situation that the sensor is contacted with or soaked in condensed water, but the solution needs to depend on the installer to investigate and needs to be effectively and firmly bound, has low installation efficiency, has low guarantee on after-sale maintenance, has higher requirement on the installer, needs to accurately install the temperature sensing probe of the sensor at a set position, and otherwise, causes influences on temperature acquisition and logic control of the whole machine.

Disclosure of Invention

In view of this, the present invention provides a temperature sensing blind pipe which is convenient to install, and aims to overcome the defects in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a temperature sensing blind pipe convenient to install comprises a hollow blind pipe main body and a temperature sensing probe arranged in the blind pipe main body, wherein one end of the blind pipe main body is provided with an assembling mechanism for installing the temperature sensing probe, and the other end of the blind pipe main body is provided with a positioning mechanism for positioning the temperature sensing probe; the assembling mechanism comprises a connecting sleeve which is coaxially arranged with the blind pipe main body, a connector which is matched with the connecting sleeve is arranged on the temperature sensing probe, and a sealing assembly is arranged on the connector; the positioning mechanism comprises positioning pieces correspondingly arranged in the blind pipe main body, at least two positioning pieces are arranged, and an installation gap for accommodating the temperature sensing probe is arranged between the positioning pieces; one end of the temperature sensing probe extending into the blind pipe main body is provided with a positioning ring matched with the positioning piece, the outer diameter of the positioning ring is slightly smaller than the inner diameter of the blind pipe main body, one side of the positioning ring is provided with a plane part matched with the positioning piece, and the other side of the positioning ring is provided with an inclined plane part used for guiding the flow of condensed water.

Further, seal assembly includes the rubber seal cover that the connector outside set up, and this rubber seal cover cross-section is the trapezium structure.

Furthermore, the positioning piece is provided with a plurality of positioning pieces at intervals along the circumferential direction of the blind pipe main body.

Furthermore, the setting element is L type structure, and the vertical end setting of setting element is on the inner wall of blind pipe main part, and the horizontal end sets up towards the axle center of blind pipe main part, the horizontal end of setting element is equipped with the constant head tank with temperature-sensing probe complex.

Furthermore, the vertical end of the positioning piece is provided with a cambered surface part for preventing the temperature sensing probe from colliding.

Furthermore, the holding ring adopts the rubber material, and holding ring slidable mounting is on the temperature sensing probe, holding ring and temperature sensing probe interference fit.

Compared with the prior art, the invention has the following advantages:

the temperature-sensing probe is simple in structure and easy to install and use, when an operator installs the temperature-sensing probe, the temperature-sensing probe does not need to be accurately aligned with an installation gap, the positioning ring on the temperature-sensing probe can play a good guiding role, the positioning ring can not only play a good protection role for the temperature-sensing probe, but also can be positioned and installed above the positioning piece to play a blocking role for condensed water on the temperature-sensing probe, the condensed water can conveniently flow downwards through the inner wall of the blind pipe main body or the vertical end of the positioning piece, the condensed water is prevented from being gathered at the bottom of the temperature-sensing.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the connector of the embodiment of the present invention with the rubber sealing cap removed;

FIG. 3 is a schematic view of a retaining ring according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a positioning element in an embodiment of the present invention.

Description of reference numerals:

1-a blind pipe main body; 2-temperature sensing probe; 3-connecting sleeves; 4-a connector; 5-a rubber sealing cover; 6-a positioning ring; 7-a positioning member; 8-a bevel portion; 9-positioning grooves; 10-arc surface part.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A temperature sensing blind pipe convenient to install is shown in figures 1 to 4 and comprises a hollow blind pipe main body 1 and a temperature sensing probe 2 arranged in the blind pipe main body 1, wherein one end of the blind pipe main body 1 is provided with an assembling mechanism for installing the temperature sensing probe 2, and the other end of the blind pipe main body is provided with a positioning mechanism for positioning the temperature sensing probe 2; the assembling mechanism comprises a connecting sleeve 3 which is coaxial with the blind pipe main body 1, a connector 4 which is matched with the connecting sleeve 3 is arranged on the temperature sensing probe 2, and a sealing component is arranged on the connector 4; the positioning mechanism comprises positioning pieces 7 correspondingly arranged in the blind pipe main body 1, at least two positioning pieces 7 are arranged, and an installation gap for accommodating the temperature sensing probe 2 is arranged between the positioning pieces 7; one end of the temperature sensing probe 2, which extends into the blind pipe main body 1, is provided with a positioning ring 6 matched with a positioning piece 7, the outer diameter of the positioning ring 6 is slightly smaller than the inner diameter of the blind pipe main body 1, one side of the positioning ring 6 is provided with a plane part matched with the positioning piece 7, and the other side of the positioning ring is provided with an inclined plane part 8 used for guiding the flow of condensed water; specifically, the temperature sensing probe 2 may be a temperature sensing probe 2 used in an existing temperature sensing blind pipe, for example, a Pt100 platinum thermistor temperature probe, as long as the temperature can be detected, which is not described herein again.

The sealing assembly comprises a rubber sealing cover 5 arranged on the outer side of the connector 4, and the section of the rubber sealing cover 5 is of a trapezoidal structure; specifically, the connector 4 may be a glan head, the rubber sealing cover 5 may be mounted on the connector 4 by a sealant, the glan head has good electric sealing performance, an internal thread may be disposed inside the connecting sleeve 3, an external thread matched with the internal thread is disposed outside the connector 4, the connecting sleeve 3 may be mounted on the water heater, and the connection between the connecting sleeve 3 and the water heater may be sealed by using the prior art, for example, a sealing gasket is disposed, as long as leakage at the connecting sleeve 3 can be avoided, which is not described herein again;

preferably, a rubber sealing ring can be arranged at the joint of the connector 4 and the connecting sleeve 3, and by arranging the rubber sealing ring, water vapor in the air can be prevented from entering the blind pipe main body 1, so that the amount of condensed water generated in the blind pipe main body 1 is reduced; through set up rubber seal cover 5 in the connector 4 outside, operating personnel is after installing temperature sensing probe 2, rubber seal cover 5 on connector 4 can laminate with the water heater surface, thereby play fine shutoff effect to connector 4 department, prevent the rivers on the water heater and flow into connector 4, further avoided water or vapor to get into blind pipe main part 1 through connector 4, greatly reduced the production of condensate water in the blind pipe main part 1, the influence of comdenstion water to temperature sensing probe 2 detection effects has been reduced.

A plurality of positioning pieces 7 are arranged at intervals along the circumferential direction of the blind pipe main body 1; specifically, setting element 7 can evenly set up four, and the restriction temperature sensing probe 2 and holding ring 6 that setting element 7 that a plurality of intervals set up not only can be good, and the clearance between the setting element 7 is favorable to the downflow of comdenstion water moreover, avoids the comdenstion water to locate the gathering at setting element 7, has reduced the influence of comdenstion water in the blind pipe main part 1 to temperature sensing probe 2 measurement.

The positioning piece 7 is an L-shaped structural piece, the vertical end of the positioning piece 7 is arranged on the inner wall of the blind pipe main body 1, the horizontal end of the positioning piece 7 is arranged towards the axis of the blind pipe main body 1, and the horizontal end of the positioning piece 7 is provided with a positioning groove 9 matched with the temperature sensing probe 2; specifically, 7 structural strength of setting element of L type structure is high, can play the supporting role that lasts stable to temperature sensing probe 2, the constant head tank 9 of 7 horizontal ends of setting element can restrict temperature sensing probe 2 well, prevent that temperature sensing probe 2 from rocking or removing, during the operating personnel installation, only need with temperature sensing probe 2 stretch into blind pipe main part 1 can, setting element 7 can restrict the assembly degree of depth of temperature sensing probe 2, can ensure that there is the comdenstion water storage gap between temperature sensing probe 2 and the blind pipe main part 1 bottom, greatly reduced the influence of comdenstion water to temperature sensing probe 2.

The positioning ring 6 is made of rubber, the positioning ring 6 is slidably mounted on the temperature sensing probe 2, and the positioning ring 6 is in interference fit with the temperature sensing probe 2; specifically, the positioning ring 6 made of rubber can well protect the temperature sensing probe 2, when an operator installs the temperature sensing probe 2, the operator only needs to stretch the temperature sensing probe 2 into the blind pipe main body 1 without worrying that the temperature sensing probe 2 collides with the inner wall of the blind pipe main body 1 in the installation process, the positioning ring 6 can well guide the temperature sensing probe 2, the operation is more convenient, and after the positioning ring 6 is propped by the positioning piece 7, the positioning ring can further stabilize the temperature sensing probe 2, so that the stability of the temperature sensing probe 2 in the blind pipe main body 1 is improved; meanwhile, the positioning ring 6 in interference fit with the temperature sensing probe 2 can play a good role in blocking condensed water flow, and condensed water blocked by the inclined surface part 8 can flow downwards along the inner wall of the blind pipe main body 1 or the vertical end of the positioning part 7 through the gap between the positioning parts 7, so that the normal work of the temperature sensing probe 2 cannot be influenced.

Through slidable mounting holding ring 6, operating personnel is at the in-process of assembling this kind of temperature sensing cecum, need not to confirm the position of holding ring 6 in advance, as long as stretch into cecum main part 1 with temperature sensing probe 2 can, along with stretching into of temperature sensing probe 2, holding member 7 can restrict the removal of holding ring 6, plane portion on the holding ring 6 can withstand the top of holding member 7, under the supporting role of holding member 7, temperature sensing probe 2 suitably removes can be followed to holding ring 6, and then ensure that holding ring 6 can be located the top of holding member 7 all the time, ensure that the effect of blocking the comdenstion water that plays that inclined plane portion 8 on the holding ring 6 can be better, avoid the comdenstion water in the gathering of temperature sensing probe 2 bottoms.

The vertical end of the positioning piece 7 is provided with an arc surface part 10 for preventing the temperature sensing probe 2 from colliding; specifically, the cambered surface portion 10 can prevent the positioning member 7 from colliding with and damaging the temperature sensing probe 2, and can also play a good guiding role for the temperature sensing probe 2, so that an operator does not need to accurately align the temperature sensing probe 2 with the installation gap when assembling the temperature sensing probe 2, and the installation difficulty of the temperature sensing blind pipe is further reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. The utility model provides a temperature sensing blind pipe easy to assemble, includes the temperature sensing probe that sets up in hollow blind pipe main part and the blind pipe main part, its characterized in that: one end of the blind pipe main body is provided with an assembling mechanism for installing the temperature sensing probe, and the other end of the blind pipe main body is provided with a positioning mechanism for positioning the temperature sensing probe; the assembling mechanism comprises a connecting sleeve which is coaxially arranged with the blind pipe main body, a connector which is matched with the connecting sleeve is arranged on the temperature sensing probe, and a sealing assembly is arranged on the connector; the positioning mechanism comprises positioning pieces correspondingly arranged in the blind pipe main body, at least two positioning pieces are arranged, and an installation gap for accommodating the temperature sensing probe is arranged between the positioning pieces; one end of the temperature sensing probe extending into the blind pipe main body is provided with a positioning ring matched with the positioning piece, the outer diameter of the positioning ring is slightly smaller than the inner diameter of the blind pipe main body, one side of the positioning ring is provided with a plane part matched with the positioning piece, and the other side of the positioning ring is provided with an inclined plane part used for guiding the flow of condensed water.

2. The easy-to-install temperature-sensing blind pipe according to claim 1, characterized in that: the sealing assembly comprises a rubber sealing cover arranged on the outer side of the connector, and the cross section of the rubber sealing cover is of a trapezoidal structure.

3. The easy-to-install temperature-sensing blind pipe according to claim 1, characterized in that: the positioning piece is provided with a plurality of positioning pieces at intervals along the circumferential direction of the blind pipe main body.

4. The easy-to-install temperature-sensing blind pipe according to claim 1, characterized in that: the locating piece is an L-shaped structural piece, the vertical end of the locating piece is arranged on the inner wall of the blind pipe main body, the horizontal end of the locating piece is arranged towards the axis of the blind pipe main body, and the horizontal end of the locating piece is provided with a positioning groove matched with the temperature sensing probe.

5. The easy-to-install temperature-sensing blind pipe according to claim 4, wherein: the vertical end of the positioning piece is provided with a cambered surface part used for preventing the temperature sensing probe from colliding.

6. The easy-to-install temperature-sensing blind pipe according to claim 1, characterized in that: the locating ring is made of rubber, is slidably mounted on the temperature sensing probe and is in interference fit with the temperature sensing probe.