Quick connection thermal resistor

Abstract

The utility model discloses a quick-connection thermal resistor, relates to the technical field of thermal resistor structures, and aims to solve the problems that a conventional thermal resistor is inconvenient to connect and install, so that the thermal resistor is very troublesome to install and use, and the thermal resistor is inconvenient to use. One end of the junction box is provided with a wiring end, the upper end of the junction box is provided with a first connecting base, the other end of the junction box is provided with a fixing base, a junction box cover is installed above the junction box, one end of the junction box cover is provided with a second connecting base, and the other end of the junction box cover is provided with an installation base. A mounting end is arranged at the lower end of the junction box, a protective sleeve is mounted below the mounting end, a fixing end is arranged at the upper end of the protective sleeve, a limiting end is arranged at one end of the outer wall of the protective sleeve, a threaded mounting seat is arranged at the lower end of the limiting end, and a mounting flange is mounted at one end of the outer wall of the protective sleeve. And a threaded fixing seat is arranged in the mounting flange.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal resistor structures, in particular to a quick-connect thermal resistor. Background Art

[0002] Thermal resistors are the most commonly used temperature detectors in medium and low temperature zones. Thermal resistor temperature measurement is based on the property that the resistance of a metal conductor increases with increasing temperature. The main features of thermal resistors are high measurement accuracy and stable performance. They are not only widely used in industrial temperature measurement, but also made into standard reference instruments.

[0003] After searching, the authorization announcement number CN215003996U discloses a quick-connect thermal resistor, including a main frame, a temperature measuring head, a power quick-connect rod, a control quick-connect rod, a first quick-connect seat and a second quick-connect seat. The bottom of the left end of the main frame is fixedly connected to the power quick-connect rod, and the bottom of the right end of the main frame is fixedly connected to the control quick-connect rod. The front side of the main frame is threadedly connected to the support transmission rod near the middle end. The bottom of the power quick-connect rod and the control quick-connect rod are both provided with an engaging plug. The bottom of the first quick-connect seat is provided with a power joint, and the bottom of the second quick-connect seat is provided with a feedback joint. The tops of the power joint and the feedback joint are both fixedly connected with an insertion rod. The bottom of the power quick-connect rod is engaged with the first quick-connect seat, and the bottom of the control quick-connect rod is engaged with the second quick-connect seat. The engaging plugs are all engaged with the insertion rod. It relates to the technical field of thermal resistor devices, improves the quick connection capability when adjusting the position of the thermal resistor, and alleviates the problem of insufficient structural stability after the thermal resistor is quickly connected.

[0004] However, the existing thermal resistors are inconvenient to connect and install, which makes the installation and use of the thermal resistors very troublesome, making the thermal resistors inconvenient to use. Therefore, there is an urgent need for a quick-connect thermal resistor in the market to solve these problems. Utility Model Content

[0005] The utility model aims to provide a quick-connect thermal resistor to solve the problem that the existing thermal resistors proposed in the above background technology are inconvenient to connect and install, which makes the installation and use of the thermal resistors very troublesome, thus making the use of the thermal resistors inconvenient.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-connect thermal resistor, comprising a junction box, a wiring terminal is arranged at one end of the junction box, a connecting seat 1 is arranged at the upper end of the junction box, a fixing seat is arranged at the other end of the junction box, a junction box cover is installed above the junction box, a connecting seat 2 is arranged at one end of the junction box cover, a mounting seat is arranged at the other end of the junction box cover, a mounting end is arranged at the lower end of the junction box, a protective sleeve is installed below the mounting end, a fixing end is arranged at the upper end of the protective sleeve, a limiting end is arranged at one end of the outer wall of the protective sleeve, a threaded mounting seat is arranged at the lower end of the limiting end, a mounting flange is installed at one end of the outer wall of the protective sleeve, and a threaded fixing seat is arranged inside the mounting flange.

[0007] Preferably, the connection seat 1 and the junction box are an integral structure, the connection seat 2 and the junction box cover are an integral structure, and the connection seat 2 and the connection seat 1 are rotatably connected via a rotating connecting shaft.

[0008] Preferably, the mounting seat and the junction box cover are an integral structure, the fixing seat and the junction box are an integral structure, and the fixing seat and the mounting seat are fixedly connected via a tightening knob.

[0009] Preferably, the limiting end and the protective sleeve are an integral structure, and the threaded mounting seat and the protective sleeve are an integral structure.

[0010] Preferably, the outer wall of the threaded mounting seat is provided with mounting threads around, the inner wall of the threaded fixing seat is provided with fixing threads corresponding to the mounting threads around, the mounting flange is connected to the threaded mounting seat by threads, and the mounting flange is located at the lower end of the limit end.

[0011] Preferably, the threaded fixing seat is provided with fixing holes around it, and six fixing holes are provided, and the six fixing holes are symmetrical with respect to the vertical center line of the mounting flange.

[0012] Preferably, the mounting end and the fixed end are fixed by threaded mounting, and the fixed end and the protective sleeve are an integral structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This kind of quick-connect thermal resistor can be easily installed by passing the lower end of the protective sleeve through the mounting flange and then rotating the mounting flange. The mounting flange can be easily limited by the set limit end, and the protective sleeve can be rotated. The thermal resistor can be easily installed and fixed between the device through the set threaded mounting seat. At this time, the mounting flange is located at one end of the device, and then the mounting flange is installed and fixed between the device, so that the thermal resistor can be further installed, so that the thermal resistor can be installed more firmly.

[0015] 2. This type of quick-connect thermal resistor has a junction box cover installed above the junction box. The junction box cover can protect the components inside the junction box. When it is necessary to inspect the components inside the junction box, loosen the fastening knob and then easily turn the junction box cover to open it, so that the components inside the junction box can be easily and quickly inspected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall front view of the utility model;

[0017] Figure 2 This is a cross-sectional view of the installation of the protective sleeve and the mounting flange of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the mounting flange of the utility model;

[0019] Figure 4 For the utility model Figure 2 A partial enlarged view of area A.

[0020] In the figure: 1. junction box; 101. wiring terminal; 102. connection seat 1; 103. fixing seat; 2. junction box cover; 201. connection seat 2; 202. mounting seat; 3. rotating connecting shaft; 4. tightening knob; 5. mounting end; 6. fixing end; 7. protective sleeve; 701. limiting end; 702. threaded mounting seat; 703. mounting thread; 8. mounting flange; 801. threaded fixing seat; 802. fixing thread; 803. fixing mounting hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4, an embodiment provided by the utility model: a quick-connect thermal resistor, including a junction box 1, a junction box 1 having a wiring terminal 101 at one end, a connecting seat 102 at the upper end of the junction box 1, a fixing seat 103 at the other end of the junction box 1, a junction box cover 2 is installed above the junction box 1, a connecting seat 201 is provided at one end of the junction box cover 2, a mounting seat 202 is provided at the other end of the junction box cover 2, a mounting end 5 is provided at the lower end of the junction box 1, a protective sleeve 7 is installed below the mounting end 5, a fixing end 6 is provided at the upper end of the protective sleeve 7, a limited end 701 is provided at one end of the outer wall of the protective sleeve 7, a threaded mounting seat 702 is provided at the lower end of the limited end 701, a mounting flange 8 is installed at one end of the outer wall of the protective sleeve 7, and a threaded fixing seat 801 is provided inside the mounting flange 8. It should be noted that in order to save space and highlight the innovative elements of this patent, such as the working principle and working process of how the thermal resistor works, it will not be repeated in this patent.

[0023] When in use, the mounting flange 8 can be conveniently installed by passing the lower end of the protective sleeve 7 through the mounting flange 8 and then rotating the mounting flange 8. The mounting flange 8 can be conveniently limited by the set limit end 701. The protective sleeve 7 is inserted into the interior of the device and then rotated. The thermal resistor can be conveniently installed and fixed to the device through the set threaded mounting seat 702. At this time, the mounting flange 8 is located at one end of the device. The mounting flange 8 is then installed and fixed to the device, so that the thermal resistor can be further installed. A junction box cover 2 is installed above the junction box 1. The junction box cover 2 can protect the components inside the junction box 1. When it is necessary to inspect the components inside the junction box 1, the fastening knob 4 is loosened and the junction box cover 2 is conveniently rotated to open it, so that the components inside the junction box 1 can be conveniently and quickly inspected.

[0024] See also Figure 1 The connecting seat 1 102 is an integral structure with the junction box 1, the connecting seat 2 201 is an integral structure with the junction box cover 2, and the connecting seat 2 201 is rotatably connected to the connecting seat 1 102 by rotating the connecting shaft 3, which can make the structure between the connecting seat 1 102 and the junction box 1 more secure, and the structure between the connecting seat 2 201 and the connecting seat 1 102 more secure, and by setting the rotating connecting shaft 3, the junction box 1 and the junction box cover 2 can be rotatably connected, so that the junction box cover 2 can be conveniently rotated to open.

[0025] See also Figure 1The mounting base 202 and the junction box cover 2 are an integral structure, the fixing base 103 and the junction box 1 are an integral structure, and the fixing base 103 and the mounting base 202 are fixedly connected by a tightening knob 4, which can make the structure between the mounting base 202 and the junction box cover 2 more secure, and the structure between the fixing base 103 and the junction box 1 more secure, and by turning the tightening knob 4, the fixing base 103 and the mounting base 202 can be conveniently installed and fixed, so that the junction box cover 2 and the junction box 1 can be conveniently installed and fixed.

[0026] See also Figure 1 and Figure 2 The limiting end 701 and the protective sleeve 7 are an integrated structure, and the threaded mounting seat 702 and the protective sleeve 7 are an integrated structure, which can make the structure between the limiting end 701 and the protective sleeve 7 more secure, and can make the structure between the threaded mounting seat 702 and the protective sleeve 7 more secure.

[0027] See also Figure 2 , Figure 3 and Figure 4 The outer wall of the threaded mounting seat 702 is provided with mounting threads 703, and the inner wall of the threaded fixing seat 801 is provided with fixing threads 802 corresponding to the mounting threads 703. The mounting flange 8 and the threaded mounting seat 702 are connected by threads. The mounting flange 8 is located at the lower end of the limiting end 701, so that the mounting flange 8 and the threaded mounting seat 702 can be easily installed and fixed. The limiting end 701 can be used to conveniently limit the mounting flange 8.

[0028] See also Figure 3 The threaded fixing seat 801 is provided with fixing holes 803 around it. There are six fixing holes 803. The six fixing holes 803 are symmetrical about the vertical center line of the mounting flange 8. The mounting flange 8 can be conveniently installed and fixed through the set fixing holes 803, so that the thermal resistor can be better connected and fixed.

[0029] See also Figure 1 The mounting end 5 and the fixed end 6 are fixed by threaded mounting, and the fixed end 6 and the protective sleeve 7 are an integrated structure, which can make the structure between the fixed end 6 and the protective sleeve 7 more solid. This setting can easily install and fix the mounting end 5 and the fixed end 6.

[0030] Working principle: When in use, by passing the lower end of the protective sleeve 7 through the mounting flange 8, and then rotating the mounting flange 8, the mounting flange 8 can be conveniently installed, and the mounting flange 8 can be conveniently limited by the set limit end 701. In this way, when installing this kind of thermal resistor, by inserting the protective sleeve 7 into the interior of the device, and then rotating the protective sleeve 7, the thermal resistor and the device can be conveniently installed and fixed through the set threaded mounting seat 702. At this time, the mounting flange 8 is located at one end of the device, and then the mounting flange 8 and the device are installed and fixed, so that the thermal resistor can be further installed, so that the thermal resistor can be installed more firmly. A junction box cover 2 is installed above the junction box 1, and the components inside the junction box 1 can be protected by the junction box cover 2. When it is necessary to inspect the components inside the junction box 1, the fastening knob 4 is loosened, and then the junction box cover 2 is conveniently rotated to open, so that the components inside the junction box 1 can be conveniently and quickly inspected.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A quick-connect thermal resistor, comprising a junction box (1), characterized in that: A wiring terminal (101) is provided at one end of the junction box (1), a connection seat 1 (102) is provided at the upper end of the junction box (1), a fixing seat (103) is provided at the other end of the junction box (1), a junction box cover (2) is installed above the junction box (1), a connection seat 2 (201) is provided at one end of the junction box cover (2), a mounting seat (202) is provided at the other end of the junction box cover (2), a mounting end (5) is provided at the lower end of the junction box (1), a protective sleeve (7) is installed below the mounting end (5), a fixing end (6) is provided at the upper end of the protective sleeve (7), a limiting end (701) is provided at one end of the outer wall of the protective sleeve (7), a threaded mounting seat (702) is provided at the lower end of the limiting end (701), a mounting flange (8) is installed at one end of the outer wall of the protective sleeve (7), and a threaded fixing seat (801) is provided inside the mounting flange (8).

2. A quick-connect thermal resistor according to claim 1, characterized in that: The connection seat 1 (102) and the junction box (1) are an integral structure, the connection seat 2 (201) and the junction box cover (2) are an integral structure, and the connection seat 2 (201) and the connection seat 1 (102) are rotatably connected via a rotating connection shaft (3).

3. A quick-connect thermal resistor according to claim 1, characterized in that: The mounting seat (202) and the junction box cover (2) are an integral structure, the fixing seat (103) and the junction box (1) are an integral structure, and the fixing seat (103) and the mounting seat (202) are fixedly connected via a tightening knob (4).

4. A quick-connect thermal resistor according to claim 1, characterized in that: The limiting end (701) and the protective sleeve (7) are an integral structure, and the threaded mounting seat (702) and the protective sleeve (7) are an integral structure.

5. A quick-connect thermal resistor according to claim 1, characterized in that: The outer wall of the threaded mounting seat (702) is provided with mounting threads (703) around the periphery, and the inner wall of the threaded fixing seat (801) is provided with fixing threads (802) corresponding to the mounting threads (703) around the periphery. The mounting flange (8) is connected to the threaded mounting seat (702) via threads, and the mounting flange (8) is located at the lower end of the limiting end (701).

6. A quick-connect thermal resistor according to claim 1, characterized in that: The threaded fixing seat (801) is provided with fixing holes (803) around its periphery. There are six fixing holes (803) in total, and the six fixing holes (803) are symmetrical with respect to the vertical center line of the mounting flange (8).

7. A quick-connect thermal resistor according to claim 1, characterized in that: The installation end (5) and the fixed end (6) are fixed by means of threads, and the fixed end (6) and the protective sleeve (7) are an integral structure.

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