阅读说明：本技术 一种温度计和用于加工温度计的方法 (Thermometer and method for producing a thermometer ) 是由 沈必亮 王晓春 姚文亮 何一军 丁学良 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种温度计和用于加工温度计的方法,包括防护壳,所述防护壳内的一侧内壁固定连接有一个一号固定块,所述一号固定块内壁固定连接有一个一号弹簧,所述一号弹簧的一端固定连接有一个滑动杆,且滑动杆靠近一号弹簧的一端套接在一号固定块内,所述滑动杆远离一号弹簧的一端焊接有一个连接块,所述连接块的上端固定连接有一个二号固定块,所述二号固定块内壁固定连接有一个二号弹簧,所述二号弹簧的上端固定连接有一个限位杆,所述连接块的一端嵌有一个测温主体,所述测温主体位于防护壳内且测温主体的左部与测温孔的位置相对应。本发明所述的一种温度计和用于加工温度计的方法,具有较强的防护功能,安全性高,使用寿命长。(The invention discloses a thermometer and a method for processing the thermometer, wherein the thermometer comprises a protective shell, a first fixed block is fixedly connected to the inner wall of one side in the protective shell, a first spring is fixedly connected to the inner wall of the first fixed block, a sliding rod is fixedly connected to one end of the first spring, one end, close to the first spring, of the sliding rod is sleeved in the first fixed block, a connecting block is welded to one end, far away from the first spring, of the sliding rod, a second fixed block is fixedly connected to the upper end of the connecting block, a second spring is fixedly connected to the inner wall of the second fixed block, a limiting rod is fixedly connected to the upper end of the second spring, a temperature measuring main body is embedded into one end of the connecting block, the temperature measuring main body is located in the protective shell, and the left part of the temperature measuring main body corresponds to the position. The thermometer and the method for processing the same have the advantages of strong protection function, high safety and long service life.)

1. A thermometer comprising a protective shell (1), characterized in that: the temperature measuring device is characterized in that a connecting groove (11) is formed in the upper end of the protective shell (1), two temperature measuring holes (12) are formed in the left end of the protective shell (1), a sliding groove (13) is formed in the front end of the protective shell (1), a pull ring (10) is fixedly connected to the right end of the protective shell (1), transparent glass (14) is embedded in the rear end of the protective shell (1), a first fixed block (2) is fixedly connected to the inner wall of one side in the protective shell (1), a first spring (3) is fixedly connected to the inner wall of the first fixed block (2), a sliding rod (4) is fixedly connected to one end of the first spring (3), one end, close to the first spring (3), of the sliding rod (4) is sleeved in the first fixed block (2), a connecting block (5) is welded to one end, far away from the first spring (3), of the sliding rod (4), the temperature measuring device is characterized in that a second fixing block (7) is fixedly connected to the upper end of the connecting block (5), a second spring (8) is fixedly connected to the inner wall of the second fixing block (7), a limiting rod (9) is fixedly connected to the upper end of the second spring (8), the upper end of the limiting rod (9) penetrates through the connecting groove (11) and is located above the protective shell (1), a temperature measuring main body (6) is embedded into one end of the connecting block (5), and the left portion of the temperature measuring main body (6) located in the protective shell (1) corresponds to the position of the temperature measuring hole (12).

2. A thermometer according to claim 1 wherein: one end of the connecting block (5) far away from the sliding rod (4) is provided with a mounting groove (51), the diameter of the left end of the mounting groove (51) is smaller than that of the right end, and the outer surface of one side of the mounting groove (51) close to the sliding groove (13) is fixedly welded with a sliding rod (52).

3. A thermometer according to claim 2 wherein: connecting block (5) sliding connection runs through spout (13) and is located the outside of spout (13) in protective housing (1) and slide bar (52) keep away from the one end of connecting block (5).

4. A thermometer according to claim 1 wherein: temperature measurement main part (6) are including connecting shell (61) and glass seal (66), joint ring (62) of one end fixedly connected with of connecting shell (61), the one end of keeping away from joint ring (62) of connecting shell (61) is opened there is a seal groove (64), metallization cream (63) of fixedly connected with in seal groove (64), be provided with two temperature measurement probe rod (65) in metallization cream (63), seal groove (64) are sealed through glass seal (66).

5. A thermometer according to claim 4 wherein: the diameter size of the metallization paste (63) is the same as that of the sealing groove (64), and the size of the connecting shell (61) is matched with that of the mounting groove (51).

6. A thermometer according to claim 4 wherein: the connecting shell (61) is fixedly connected in the mounting groove (51) through a clamping ring (62) to fixedly connect the temperature measuring main body (6) with the connecting block (5), the temperature measuring probe rod (65) corresponds to the temperature measuring hole (12), and the diameter of the left end of the temperature measuring probe rod (65) is the same as that of the temperature measuring hole (12).

7. A method for manufacturing a thermometer according to claims 1-6, characterised by the following steps:

preparing plastic initial raw materials, a piece of transparent glass (14), and two springs (3, 8) with good elastic properties, forming the ceramic initial raw materials into a matrix by using a spray casting process, sintering the matrix into a connecting shell (61), respectively injection molding the plastic initial raw materials into a protective shell (1), a fixed block (2), a sliding rod (4), a connecting block (5), a fixed block (7) and a limiting rod (9), forming a connecting groove (11) at the upper end of the protective shell (1), forming two temperature measuring holes (12) at the left end of the protective shell (1), forming a sliding groove (13) at the front end of the protective shell (1), and finally embedding the transparent glass (14) at the rear end of the protective shell (1) for later use;

welding a first fixed block (2) and the inner wall of one side of a protective shell (1), welding one end of a first spring (3) and the inner wall of the first fixed block (2), welding a second fixed block (7) and the upper end face of a connecting block (5) in sequence by adopting a clean and constant-temperature soldering iron, then welding one end face of a sliding rod (4) and one end face of the connecting block (5), welding the other end face of the sliding rod and one end of the first spring (3), and firmly welding the two ends of a second spring (8) with the inner wall of the second fixed block (7) and the lower end face of a limiting rod (9) respectively;

thirdly, the connecting shell (61) is sleeved in the mounting groove (51) of the connecting block (5), so that the connecting shell (61) is in direct contact with the mounting groove (51) in a shape matched manner;

fourthly, after the temperature measuring probe rod (65) is sleeved in the sealing groove (64), the temperature measuring probe rod (65) is connected with the connecting shell (61) by using the metallization paste (63), and the metallization paste (63) is continuously baked for 2 to 4 minutes to form the temperature measuring probe rod.

And (V) after the metallization paste (63) is baked, closing the opening sealing groove (64) of the connecting shell (61) by using a glass seal (66), and continuously baking the glass seal (66) for 3 to 6 minutes to form the metallization paste.

Technical Field

The invention relates to the technical field of thermometers, in particular to a thermometer and a method for processing the thermometer.

Background

According to different purposes, various thermometers have been designed and manufactured, and the pressure of gas (or steam) changes with different temperatures under constant volume conditions by utilizing the phenomenon that solid, liquid and gas expand and contract with heat and cold under the influence of temperature.

The temperature measuring probe rod of the existing thermometer is mostly directly exposed outside the atmosphere, and because the temperature measuring probe rod is fragile, the thermometer exposed outside is very easy to be injured and damaged when not in use, so that the service life of the whole device is short; although a part of the existing thermometer can be placed in a plastic protective shell for storage, the plastic protective shell and the thermometer are not of an integrated structure, the thermometer needs to be taken down in the using process, the shell is easy to lose and lose, and the thermometer is not well protected.

Disclosure of Invention

It is a primary object of the present invention to provide a thermometer and a method for manufacturing the same, which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

a thermometer comprises a protective shell, wherein the upper end of the protective shell is provided with a connecting groove, the left end of the protective shell is provided with two temperature measuring holes, the front end of the protective shell is provided with a sliding groove, the right end of the protective shell is fixedly connected with a pull ring, the rear end of the protective shell is embedded with transparent glass, the inner wall of one side in the protective shell is fixedly connected with a first fixed block, the inner wall of the first fixed block is fixedly connected with a first spring, one end of the first spring is fixedly connected with a sliding rod, the end of the sliding rod, which is close to the first spring, is sleeved in the first fixed block, one end of the sliding rod, which is far away from the first spring, is welded with a connecting block, the upper end of the connecting block is fixedly connected with a second fixed block, the inner wall of the second fixed block is fixedly connected with a second spring, and the upper end of the second spring is, the upper end of the limiting rod penetrates through the connecting groove and is located above the protective shell, one end of the connecting block is embedded with a temperature measuring main body, the temperature measuring main body is located in the protective shell, and the left portion of the temperature measuring main body corresponds to the position of the temperature measuring hole.

Preferably, the connecting block is kept away from the one end of slide bar and is opened there is a mounting groove, mounting groove left end diameter size is less than right-hand member diameter size, one side external fixed welding that the mounting groove is close to the spout has a slide bar.

Preferably, the connecting block is connected in the protective shell in a sliding mode, and one end, far away from the connecting block, of the sliding rod penetrates through the sliding groove and is located on the outer side of the sliding groove.

Preferably, the temperature measurement main part is including connecting shell and glass seal, the joint ring of one end fixedly connected with of connecting the shell, the one end of keeping away from the joint ring of connecting the shell is opened there is a seal groove, metallization cream of fixedly connected with in the seal groove, be provided with two temperature measurement probe rods in the metallization cream, the seal groove is sealed through glass seal.

Preferably, the diameter size of the metalized paste is the same as that of the sealing groove, and the size of the connecting shell is matched with that of the mounting groove.

Preferably, the connecting shell is fixedly connected in the mounting groove through a clamping ring to fixedly connect the temperature measuring main body with the connecting block, the temperature measuring probe rod corresponds to the temperature measuring hole in position, and the diameter of the left end of the temperature measuring probe rod is the same as that of the temperature measuring hole.

Preferably, a method for manufacturing a thermometer is characterized by the following steps:

preparing plastic initial raw materials, a piece of transparent glass, and two springs I and II with good elastic properties, forming the ceramic initial raw materials into a matrix by using a spray casting process, sintering the matrix into a connecting shell, respectively injection-molding the plastic initial raw materials into a protective shell, a fixed block I, a sliding rod, a connecting block, a fixed block II and a limiting rod, arranging a connecting groove at the upper end of the protective shell, arranging two temperature measuring holes at the left end of the protective shell, arranging a sliding groove at the front end of the protective shell, and finally embedding the transparent glass at the rear end of the protective shell for later use;

welding a first fixed block and the inner wall of one side of the protective shell, welding one end of a first spring and the inner wall of the first fixed block, welding a second fixed block and the upper end face of the connecting block, welding one end face of the sliding rod and one end face of the connecting block, welding the other end face of the sliding rod and one end of the first spring, and firmly welding two ends of the second spring and the inner wall of the second fixed block and the lower end face of the limiting rod respectively by adopting a clean constant-temperature soldering bit;

thirdly, the connecting shell is sleeved in the mounting groove of the connecting block, so that the connecting shell is in direct contact with the mounting groove in a shape matched with the mounting groove;

fourthly, after the temperature measuring probe rod is sleeved in the sealing groove, the temperature measuring probe rod is connected with the connecting shell by using the metallization paste, and the metallization paste is continuously baked for 2 to 4 minutes to form the temperature measuring probe rod;

and (V) after the metallization paste is baked, sealing the opening sealing groove of the connecting shell by using a glass seal, and continuously baking for 3-6 minutes to form the glass seal.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the temperature measurement device, the protective shell is arranged, and the temperature measurement main body is arranged in the protective shell, so that the temperature measurement main body and the protective shell can be of an integral structure, the protective shell is convenient to carry in the use process of the temperature measurement main body, and the temperature measurement main body is not easy to lose and lose;

2. the temperature measuring main body can be protected when not in use, the temperature measuring main body is protected in the protective shell to avoid damage, and the service life of the temperature measuring main body is prolonged.

3. The temperature measurement probe rod is sleeved in the sealing groove and is sealed by using the metalized paste in a forming mode, and the opening sealing groove of the connecting shell is sealed and connected by using glass, so that the temperature measurement main body is good in sealing performance and not prone to shaking.

Drawings

FIG. 1 is an overall structural view of a thermometer of the present invention;

FIG. 2 is a schematic view showing an internal structure of a thermometer according to the present invention;

FIG. 3 is a view showing an internal structure of a thermometer according to the present invention in a temperature measuring state;

FIG. 4 is a schematic view of a connecting block structure of a thermometer according to the present invention;

FIG. 5 is a schematic view of a temperature measuring main body of the thermometer of the present invention.

In the figure: 1. a protective shell; 2. a first fixed block; 3. a first spring; 4. a slide bar; 5. connecting blocks; 6. a temperature measuring main body; 7. a second fixed block; 8. a second spring; 9. a limiting rod; 10. a pull ring; 11. connecting grooves; 12. a temperature measuring hole; 13. a chute; 14. transparent glass; 51. mounting grooves; 52. a slide bar; 61. connecting the shell; 62. a snap ring; 63. metallization paste; 64. a sealing groove; 65. a temperature measuring probe rod; 66. and (5) sealing the glass.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-5, a thermometer comprises a protective shell 1, a connecting groove 11 is arranged at the upper end of the protective shell 1, two temperature measuring holes 12 are arranged at the left end of the protective shell 1, a sliding groove 13 is arranged at the front end of the protective shell 1, a pull ring 10 is fixedly connected at the right end of the protective shell 1, a transparent glass 14 is embedded at the rear end of the protective shell 1, a first fixed block 2 is fixedly connected to the inner wall of one side in the protective shell 1, a first spring 3 is fixedly connected to the inner wall of the first fixed block 2, a sliding rod 4 is fixedly connected to one end of the first spring 3, one end of the sliding rod 4 close to the first spring 3 is sleeved in the first fixed block 2, a connecting block 5 is welded at one end of the sliding rod 4 far away from the first spring 3, a second fixed block 7 is fixedly connected to the upper end of the connecting block 5, and a second spring 8 is fixedly connected to the inner, a limiting rod 9 is fixedly connected to the upper end of the second spring 8, the upper end of the limiting rod 9 penetrates through the connecting groove 11 and is located above the protective shell 1, a temperature measuring main body 6 is embedded into one end of the connecting block 5, the temperature measuring main body 6 is located in the protective shell 1, and the left portion of the temperature measuring main body 6 corresponds to the position of the temperature measuring hole 12.

One end of the connecting block 5, which is far away from the sliding rod 4, is provided with a mounting groove 51, the diameter of the left end of the mounting groove 51 is smaller than that of the right end of the mounting groove, the outer surface of one side of the mounting groove 51, which is close to the sliding groove 13, is fixedly welded with a sliding rod 52, the sliding connection through the sliding rod 52 can be reset in the sliding groove 13, and when the limiting rod 9 is positioned in the connecting groove 11, the spring 3 is in a compression state.

The connecting block 5 is slidably connected in the protective shell 1, and one end of the sliding rod 52, which is far away from the connecting block 5, penetrates through the sliding groove 13 and is located outside the sliding groove 13.

The temperature measurement main part 6 is including connecting shell 61 and glass seal 66, connects shell 61 and is ceramic material, connects a joint ring 62 of one end fixedly connected with of shell 61, and the one end of connecting shell 61 and keeping away from joint ring 62 is opened there is a seal groove 64, and metallization cream 63 of fixedly connected with in the seal groove 64 is provided with two temperature measurement probe rods 65 in the metallization cream 63, and seal groove 64 seals through glass seal 66, and the leakproofness is good, is difficult for rocking, and detection range is wide.

The diameter of the metalized paste 63 is the same as that of the sealing groove 64, and the size of the connecting shell 61 is matched with that of the mounting groove 51.

The connecting shell 61 is fixedly connected in the mounting groove 51 through the clamping ring 62 to fixedly connect the temperature measuring main body 6 with the connecting block 5, the position of the temperature measuring probe rod 65 corresponds to that of the temperature measuring hole 12, so that the temperature measuring probe rod 65 can conveniently extend out of the temperature measuring hole 12 for detection, the diameter size of the left end of the temperature measuring probe rod 65 is the same as that of the temperature measuring hole 12, clamping is firm, and stability is high.

Preferably, a method for manufacturing a thermometer is characterized by the following steps:

preparing plastic initial raw materials, a piece of transparent glass 14, and two springs 3 and 8 with good elastic properties, forming the ceramic initial raw materials into a matrix by using a spray casting process, sintering the matrix into a connecting shell 61, respectively molding a protective shell 1, a fixed block 2, a sliding rod 4, a connecting block 5, a fixed block 7 and a limiting rod 9 by using the plastic initial raw materials through injection molding, forming a connecting groove 11 at the upper end of the protective shell 1, forming two temperature measuring holes 12 at the left end of the protective shell 1, forming a sliding chute 13 at the front end of the protective shell 1, and finally embedding the transparent glass 14 at the rear end of the protective shell 1 for later use;

welding a first fixed block 2 and the inner wall of one side of a protective shell 1, welding one end of a first spring 3 and the inner wall of the first fixed block 2, welding a second fixed block 7 and the upper end face of a connecting block 5, welding one end face of a sliding rod 4 and one end face of the connecting block 5, welding the other end face of the sliding rod and one end of the first spring 3, and firmly welding two ends of a second spring 8 and the inner wall of the second fixed block 7 and the lower end face of a limiting rod 9 respectively by adopting a clean constant-temperature soldering iron head;

thirdly, the connecting shell 61 is sleeved in the mounting groove 51 of the connecting block 5, so that the connecting shell 61 is in direct contact with the mounting groove 51 in a shape matched manner;

fourthly, after the temperature measuring probe rod 65 is sleeved in the sealing groove 64, the temperature measuring probe rod 65 is connected with the connecting shell 61 by using the metallization paste 63, and the metallization paste 63 is continuously baked for 2 to 4 minutes to form;

(V) when the baking of the metallization paste 63 is completed, the opening sealing groove 64 of the connection housing 61 is closed with the glass seal 66, and the glass seal 66 is molded by continuing the baking for 3 to 6 minutes.

It should be noted that, the invention is a thermometer and a method for processing a thermometer, through setting up the protective shell 1, and set up the temperature measurement body 6 in the protective shell 1, can make the temperature measurement body 6 and protective shell 1 be the integral structure, it is convenient to carry the protective shell 1 in the course of using the temperature measurement body 6, difficult to lose and fall, and can play a protective role to the temperature measurement body 6 when not using, protect the temperature measurement body 6 in the protective shell 1 to avoid the injury and damage, lengthen the life time of the temperature measurement body 6, through the temperature measurement probe rod 65 cup joints in the seal groove 64 and utilizes the metallized paste 63 to form and seal, and then through adopting the glass seal 66 to seal the open seal groove 64 connecting the outer casing 61, make the sealing performance of the temperature measurement body 6 good, difficult to rock, through the glass seal 66 seals, detect the temperature high, the performance is good, in detecting the temperature, the limiting rod 9 can be pressed downwards to contract the second spring 8, when the upper end of the limiting rod 9 is parallel to the upper inner wall of the pull ring 10, the first spring 3 recovers elastic deformation to be in an extension state, the sliding rod 4 is pushed to slide leftwards in the protective shell 1, the sliding rod 52 slides leftwards in the sliding groove 13, the temperature measuring main body 6 is driven to move leftwards in the protective shell 1 through the connecting block 5, the temperature measuring probe rod 65 extends to the outer side of the protective shell 1 through the corresponding temperature measuring hole 12, temperature detection is carried out through the area of the temperature measuring probe rod 65 extending out of the temperature measuring hole 12, scales on the temperature measuring probe rod 65 can be observed through the transparent glass 14, after use, the sliding rod 52 can be pulled rightwards to slide rightwards in the sliding groove 13 to enable the first spring 3 to contract, when the limiting rod 9 is in contact with the connecting groove 11, the second spring 8 recovers elastic deformation to pop the limiting rod 9 upwards, carry on spacingly in spread groove 11 through gag lever post 9 joint, make temperature measurement main part 6 all accomodate to protecting crust 1 in, play the guard action, avoid temperature measurement probe rod 65 to damage, the security is high.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.