CN218694720U

CN218694720U - Assembled welding assembly

Info

Publication number: CN218694720U
Application number: CN202222342931.2U
Authority: CN
Inventors: 孙红兵
Original assignee: Quick Intelligent Equipment Co ltd
Current assignee: Quick Intelligent Equipment Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-03-24
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to an assembled welding subassembly, including soldering bit, casing subassembly and socket, the soldering bit is installed at the front end of casing subassembly, the socket is detachable to be installed at the rear end of casing subassembly, one side in the casing subassembly links firmly the wiring end of heating core, the wiring end of heating core is connected with the heating core, the casing subassembly is inside to be equipped with temperature sensor, temperature sensor's sensing portion one end extends to in the soldering bit, the outer peripheral face that temperature sensor's sensor wiring end and the wiring end of heating core enclose is adapted with the internal face of casing subassembly, the sensor wiring end with the wiring end of heating core makes up the plug; the plug is matched with the socket in an inserting manner. The utility model discloses a predominant use provides one kind can be fast convenient carry out dismouting or change, reduces cost of maintenance's assembled welded subassembly.

Description

Assembled welded subassembly

Technical Field

The utility model relates to an electric iron especially relates to an assembled welding subassembly.

Background

The electric soldering iron is a necessary tool for electronic manufacturing and electric appliance maintenance, mainly used for welding elements and conducting wires, can be divided into an internal heating type electric soldering iron and an external heating type electric soldering iron according to mechanical structures, can be divided into a non-tin-suction type electric soldering iron and a tin-suction type electric soldering iron according to functions, and can be divided into a high-power electric soldering iron and a low-power electric soldering iron according to different purposes. The traditional electric soldering iron is usually arranged integrally, and devices are replaced and the assembly is inconvenient. The electric iron shell subassembly after the improvement adopts assembled structure, but the internal part still is the integration design, if the internal part such as temperature sensor breaks down, still need carry out whole dismantlement to the casing subassembly and change, not only change wastes time and energy, and the cost also improves greatly moreover.

In the prior art, the invention with the publication number of CN207952864U discloses an electric soldering iron, and the protection technical scheme of the electric soldering iron comprises a soldering iron rear shell, a soldering iron front shell, an iron soldering pipe, a soldering iron head and a soldering iron head connecting pipe, wherein the rear end of the soldering iron front shell is fixedly connected with the front end of the soldering iron rear shell, a positioning pin extending along the radial direction of the positioning pin is arranged on the inner wall of the soldering iron front shell, the rear end of the iron soldering pipe is inserted into the soldering iron front shell and is fixedly connected with the soldering iron front shell, an L-shaped groove is arranged at the rear end of the iron soldering pipe, the positioning pin is positioned in a horizontal part of the L-shaped groove, the soldering iron head connecting pipe is fixed in an opening at the front end of the iron soldering pipe, and the connecting part is inserted into the front end of the soldering iron head connecting pipe. The electric soldering iron protected by the technical scheme has the advantages of convenience in assembly, good assembly effect and the like. However, only the housing part in the technical scheme can be assembled, and the temperature sensor is installed in the soldering iron head, so that the service life of the temperature sensor is easily shortened under a long-term high-temperature environment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a can be fast convenient carry out dismouting or change, reduce cost of maintenance's assembled welded subassembly.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides an assembly type welding subassembly, includes soldering bit, casing subassembly and socket, the front end at casing subassembly is installed in the soldering bit location, the socket is detachable installs the rear end at casing subassembly, be equipped with temperature sensor in the casing subassembly and around the core that generates heat in soldering bit week side, temperature sensor's sensing portion one end extends to in the soldering bit, the wiring end of the core that generates heat is fixed in casing subassembly, and the wiring end of the core that generates heat and the outer peripheral face that the sensor wiring end encloses and casing subassembly's internal face adaptation, the sensor wiring end with the wiring end of the core that generates heat make up be used for with the socket complex plug is pegged graft.

Further, be equipped with the step hole in the sensor wiring end, sensing portion other end tip stretches into the step hole after passing the lateral wall of sensor wiring end, and this sensing portion tip links firmly the activity lantern ring, the activity lantern ring can follow step hole endwise slip with step hole sliding connection.

Furthermore, an elastic piece is connected between the movable lantern ring and the step hole.

Furthermore, the elastic part is a spring, the spring is sleeved outside the guide pipe, one end of the guide pipe is fixedly connected with the movable sleeve ring, one end of the spring is abutted against the movable sleeve ring, and the other end of the spring is abutted against the step surface of the step hole.

Further, the inside plummer that is equipped with of casing subassembly, the plummer with generate heat the wiring end relative arrangement of core and be located the one end of keeping away from the core terminal that generates heat on the wiring end of core, the plummer offsets with the one end of keeping away from the sensor terminal on the sensor terminal and is used for carrying out axial spacing to the sensor terminal.

Furthermore, a first positioning lug and a second positioning lug which are different in size are arranged on the soldering bit at intervals along the circumferential direction, a first matching groove and a second matching groove are formed in the end portion of the shell assembly in a matched mode, the first positioning lug is installed in the first matching groove in a matched mode, and the second positioning lug is installed in the second matching groove in a matched mode.

Furthermore, the first positioning bump and the second positioning bump are arranged on two opposite sides of the soldering bit, and the width of the first positioning bump is larger than that of the second positioning bump.

Furthermore, a limiting convex ring is annularly arranged on the outer wall of the soldering bit, and the first positioning convex block and the second positioning convex block are fixedly connected to the limiting convex ring; an annular supporting table is fixedly arranged on the inner wall of the shell component, and the outer side face of the supporting table is abutted against one side, opposite to the limiting convex ring.

Furthermore, a positioning pipe is fixedly connected to the soldering bit, the positioning pipe extends to the outside of the soldering bit, the end part of the positioning pipe is turned over outwards to form a flange, one end, close to the flange, of the positioning pipe extends into the inside of the shell assembly and is clamped and fixed through a clamping assembly arranged in the inside of the shell assembly.

Further, the rear end of the shell assembly is provided with a connecting portion, a matching portion is rotatably arranged on the socket, and the connecting portion is connected with the matching portion in a threaded matching mode.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model designs the soldering bit, the shell component, the socket and the temperature sensor into an assembled structure, which can be quickly and conveniently disassembled and assembled or replaced, thereby improving the assembly efficiency and reducing the maintenance cost; the production efficiency can be effectively improved during mass production, and the enterprise benefit is further improved; the soldering bit and the shell assembly are positioned through the positioning structure, so that the radial position of the soldering bit is quickly positioned, the mounting dislocation during the replacement of the soldering bit is effectively prevented, the position consistency before and after the replacement of the soldering bit is ensured, and the stability and the reliability of the welding effect are further effectively ensured; in addition, the temperature sensor is designed into a movable and telescopic structure so as to be adapted to soldering iron heads with different specifications and improve the adaptability of the temperature sensor.

Drawings

FIG. 1 is an exploded view of a fabricated weld assembly of the present invention;

FIG. 2 is a perspective view of an assembled welding assembly of the present invention;

FIG. 3 is a cross-sectional view of an assembled welding assembly of the present invention;

fig. 4 is a side view of an assembled welding assembly of the present invention;

FIG. 5 is a cross-sectional view of a housing assembly of an assembly weld assembly of the present invention;

fig. 6 is an assembly diagram of the case assembly and the temperature sensor in the assembly type welding assembly of the present invention;

fig. 7 is an exploded view of the case assembly and the temperature sensor of the welding assembly of the present invention;

wherein, 1, a soldering bit; 11. a limit convex ring; 111. positioning the first bump; 112. positioning a second bump; 12. a positioning tube; 121. flanging; 2. a housing assembly; 21. a connecting portion; 22. a bearing table; 23. a first matching groove; 24. a second matching groove 25 and a support platform; 3. a temperature sensor; 31. a sensor terminal; 311. a stepped bore; 312. a spring; 32. a sensor binding post; 33. a sensing section; 331. a movable collar; 332. a guide tube; 4. a socket; 41. a fitting portion; 42. wiring hole (ii) a; 5. a heat generating core; 6. a terminal; 61. a heating core binding post; 7. a clamping assembly; 71. a claw; 72. the main body is fixed.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in the description of the technical solutions of the present invention, some directional words, such as "front", "back", "upper", "lower", "top", "bottom", "inner", "outer", etc., used for clearly describing the technical features of the present invention are all according to the orientation of the drawings of the present invention.

Examples

As shown in fig. 1 and 2, the assembly type soldering assembly of the present embodiment includes a soldering bit 1, a housing assembly 2 and a socket 4, the soldering bit 1 is installed at the front end of the housing assembly 2, specifically, a first positioning bump 111 and a second positioning bump 112 with two different sizes are arranged on the soldering bit 1 along a circumferential direction at an interval, a first mating groove 23 and a second mating groove 24 are formed in the end of the housing assembly 2 in a matching manner, the first positioning bump 111 is installed in the first mating groove 23 in a matching manner, and the second positioning bump 112 is installed in the second mating groove 24 in a matching manner. The first positioning lug 111 and the second positioning lug 112 are arranged on two opposite sides of the soldering iron head 1. The relative distribution mode makes the whole structure of the soldering bit 1 stressed more evenly and has higher reliability. The first positioning lug 111 and the second positioning lug 112 are rectangular blocks, the width of the first positioning lug 111 is larger than that of the second positioning lug 112 (refer to fig. 4), the width of the first matching groove 23 is matched with the first positioning lug 111, and the width of the second matching groove 24 is matched with that of the second positioning lug 112. And the matching precision between the first positioning lug 111 and the first matching groove 23 and the matching precision between the second positioning lug 112 and the second matching groove 24 are both smaller than 0.1mm, so that the positioning precision of the position of the soldering iron head 1 is more precise and accurate.

In addition, the outer wall of the soldering bit 1 is annularly provided with a limiting convex ring 11, and the first positioning bump 111 and the second positioning bump 112 are fixedly connected to the limiting convex ring 11. An annular supporting platform 25 is fixedly arranged on the inner wall of the shell component 2, and the outer side surface of the supporting platform 25 is abutted against one opposite side of the limiting convex ring 11 and used for supporting and axially limiting the limiting convex ring 11.

One end of the soldering bit 1 is a welding tip and used for welding, the other end of the soldering bit is fixedly connected with a positioning tube 12, the positioning tube 12 extends to the outer side of the soldering bit 1, the end part of the positioning tube 12 is turned over outwards to form a turned edge 121, and one end, close to the turned edge 121, of the positioning tube 12 extends into the inside of the shell component 2 and is clamped and fixed through a clamping component 7 arranged in the inside of the shell component 2. In this embodiment, the clamping assembly 7 includes a fixed main body 72 and a plurality of jaws 71 circumferentially spaced on the fixed main body 72, one end of each jaw 71 is connected to the fixed main body 72, and in a natural unstressed state, the plurality of jaws 71 are in an inwardly folded state, and when one end of the positioning tube 12 having the flange 121 axially extends, the plurality of jaws 71 are stressed to radially outwardly expand until the flange 121 extends into the inner side of the plurality of jaws 71, and the radial thrust exerted on the plurality of jaws 71 disappears, and then the plurality of jaws 71 are folded again toward the middle to clamp the positioning tube 12, thereby achieving clamping and fixing of the soldering iron head 1. The specific structure of the clamping assembly 7 in this embodiment can refer to the patent document CN254867880U, which is entitled as a soldering tip tightening assembly, and the invention provides the protected technical solution, wherein the metal tube is equivalent to the positioning tube 12 in this embodiment, and the protruding ring is equivalent to the flange 121 in this embodiment. By adopting the structure, the soldering bit 1 can be quickly and efficiently detached and replaced, and the problem that the soldering bit 1 is difficult to detach and replace in the prior art is effectively solved.

Socket 4 is detachable installs in housing assembly 2's rear end, and specifically, housing assembly 2's rear end is equipped with connecting portion 21, is equipped with the external screw thread on the connecting portion 21 outer wall, is equipped with the rotatable cooperation portion 41 of axial fixity circumference on the socket 4 outer wall, is equipped with the internal thread on the cooperation portion 41, connects through screw-thread fit between connecting portion 21 and the cooperation portion 41 and realizes being connected dismantling between socket 4 and the housing assembly 2. Specifically, the rotatable mounting structure of the engaging portion 41 is: cooperation portion 41 is the loop configuration to rotationally the suit is on socket 4 outer wall, and the annular is protruding to be equipped with the step on the socket 4 outer wall, and the external diameter of step is greater than the internal diameter of cooperation portion 41 for spacing cooperation portion 41's axial position, cooperation portion 41's axial limit structure also can adopt other structures, for example seted up annular groove on socket 4 outer wall, cooperation portion 41's inner wall rotationally inlays the dress in above-mentioned annular groove. The rotatable mounting structure of the engaging portion 41 may also adopt other structures in the prior art, and is not limited to the structure described in the present embodiment. In order to facilitate the holding of the operator, a plurality of anti-slip grooves are circumferentially formed on the outer side wall of the fitting portion 41 in the present embodiment, so as to increase the friction force and achieve the anti-slip effect.

Casing assembly 2 internal assembly has temperature sensor 3 and centers on the core 5 that generates heat in soldering bit 1 week side, and casing assembly 2 inside one side links firmly the wiring end 6 that generates

heat core

5, and 6 one end of wiring end is equipped with three core terminal 61 that generates heat, and the 6 other end of wiring end is connected with the core 5 that generates heat, and the core 5 that generates heat links to each other with soldering bit 1 for heat soldering bit 1. The temperature sensor 3 includes a sensing portion 33 and a sensor terminal 31 that are connected together, and one end of the sensing portion 33 of the temperature sensor 3 extends into the soldering tip 1 for detecting the temperature of the soldering tip 1. The sensor terminal 31 of the temperature sensor 3 is assembled on one side opposite to the terminal 6 of the heating core 5 in the shell component 2, the sensor terminal 31 is matched with the terminal 6 of the heating core 5 in shape, two sensor terminals 32 are arranged on the sensor terminal 31, one is a positive terminal, the other is a negative terminal, after the sensor terminal 31 is assembled with the terminal 6 of the heating core 5, the two sensor terminals 32 on the sensor terminal 31 and three heating core terminals 61 on the terminal 6 of the heating core 5 are combined to form a terminal plug, the terminal plug is plugged in the corresponding wiring hole 42 formed in the socket 4, after the socket 4 is electrified, the temperature sensor 3 and the heating core 5 can be simultaneously supplied with power through the sensor terminal 31 and the terminal 6 of the heating core 5, and the temperature sensor 3 and the heating core 5 can normally work.

Specifically, in the present embodiment, the terminal 6 of the heat generating core 5 is a semi-cylindrical structure, and the sensor terminal 31 is shaped to fit the terminal 6 of the heat generating core 5, and the two are assembled together to form a complete cylindrical structure (see fig. 6 and 7). A through hole for the sensing part 33 of the temperature sensor 3 to pass through is reserved in the housing assembly 2 along the axial direction, and a gap is reserved between the outer wall of the sensing part 33 and the inner wall of the through hole. In addition, a bearing table 22 is further arranged inside the housing assembly 2, the bearing table 22 is arranged opposite to the terminal 6 of the heating core 5 and is located at one end (refer to fig. 5) of the terminal 6 of the heating core 5, which is far away from the terminal 61 of the heating core, and the bearing table 22 abuts against one end, which is far away from the terminal 32 of the sensor, of the terminal 31 of the sensor to be used for axially limiting the terminal 31 of the sensor.

As shown in fig. 3, a stepped hole 311 is provided in the sensor terminal 31 of this embodiment, an end of the other end of the sensing portion 33 passes through a side wall of the sensor terminal 31 and then extends into the stepped hole 311, a through hole through which the sensing portion 33 can pass is correspondingly provided on the side wall of the sensor terminal 31, an inner wall of the through hole is in clearance fit with an outer wall of the sensing portion 33, a size of the clearance in clearance fit is between 0 mm and 0.1mm, and an inner diameter of the through hole is smaller than an inner diameter of the stepped hole 311. The end of the sensing part 33 is fixedly connected with a movable lantern ring 331 with an outer diameter larger than the inner diameter of the through hole, the movable lantern ring 331 is connected in the step hole 311 in a sliding mode, and the movable lantern ring 331 can slide back and forth along the axial direction of the step hole 311. An elastic member is connected between the movable collar 331 and the stepped hole 311. Specifically, the elastic member is a spring 312, the spring 312 is sleeved outside a guide tube 332, one end of the guide tube 332 is fixedly connected with the movable collar 331, the axis of the guide tube 332 is parallel to the axis of the stepped hole 311, one end of the spring 312 abuts against the movable collar 331, and the other end of the spring 312 abuts against a stepped surface of the stepped hole 311. With this structure, when the end of the sensor part 33 has reached the mounting position in the soldering iron tip 1 but the sensor terminal 31 is not abutted against the support table 22, that is, the end of the sensor terminal 32 of the sensor terminal 31 is not on the same radial plane as the end of the heating core terminal 61; when the socket 4 is assembled, the sensor terminal 31 is forced to move in a direction close to the carrier 22, and during the movement, the step surface of the step hole 311 exerts a force on the spring 312 and compresses the spring 312 against the elastic force, so that the sensing part 33 slides relatively in the step hole 311 until the end surface of the sensor terminal 31 abuts against the carrier 22.

In order to prevent the sensing portion 33 and the movable collar 331 from generating circumferential displacement, in this embodiment, a sliding slot is axially formed on one side of the stepped hole 311 on the sensor terminal 31, a sliding block in sliding fit with the sliding slot is convexly arranged on the movable collar 331, when the movable collar 331 axially moves along the stepped hole 311, the sliding block also slides in the sliding slot to circumferentially limit the movable collar 331, and the length of the sliding slot is greater than the moving stroke of the movable collar 331.

Example 2

The electric soldering iron with the soldering iron tip capable of being quickly positioned and disassembled in the embodiment is different from the technical scheme protected by the embodiment 1 in that: the first positioning bump 111 and the second positioning bump 112 in this embodiment are cylindrical structures, and the first matching groove 23 and the second matching groove 24 are adapted to the bottom of the arc-shaped surface and the top of the arc-shaped surface penetrates through the end surface of the housing assembly 2. In addition, the structure of the jaw 71 in the clamping assembly 7 of the present embodiment is the same as that of embodiment 1, but the elastic structure in CN254867880U is omitted, at this time, the one end of the jaw 71 is fixedly connected to the fixing body 72, and the jaw 71 is made of an elastic material, and in a natural state, the jaw 71 is in a folded state, and when the end portion of the positioning tube 12 pushes against the jaw 71, the jaw 71 itself is deformed to be opened outward, and when the positioning tube 12 passes through the end portion of the jaw 71, the jaw 71 is folded and restored to fix the positioning tube 12.

The utility model discloses an assembly type welding assembly, design soldering bit 1, casing subassembly 2, socket 4 and temperature sensor 3 as the assembled structure, can be fast convenient dismouting or change, improve assembly efficiency, reduce the maintenance cost; the production efficiency can be effectively improved during mass production, and the enterprise benefit is further improved; the soldering bit 1 and the shell assembly 2 are positioned through the positioning structure, so that the radial position of the soldering bit 1 is quickly positioned, the mounting dislocation of the soldering bit 1 during replacement is effectively prevented, the position consistency of the soldering bit 1 before and after replacement is ensured, and the stability and reliability of a welding effect are further effectively ensured; in addition, the temperature sensor 3 is designed to be of a movable and telescopic structure so as to be suitable for soldering iron heads 1 of different specifications, and the adaptability and the measurement accuracy of the temperature sensor 3 are improved.

Various other modifications and changes can be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims.

Claims

1. An assembled welding assembly, comprising: including soldering iron (1), casing subassembly (2) and socket (4), the front end at casing subassembly (2) is installed in soldering iron (1) location, the rear end at casing subassembly (2) is installed in socket (4) are detachable, be equipped with temperature sensor (3) in casing subassembly (2) and around heating core (5) of soldering iron (1) week side, sensing portion (33) one end of temperature sensor (3) extends to in soldering iron (1), the wiring end (6) of heating core (5) are fixed in casing subassembly, and the outer peripheral face that wiring end (6) and sensor wiring end (31) of heating core (5) enclose and the internal face adaptation of casing subassembly (2), sensor wiring end (31) with wiring end (6) of heating core (5) make up be used for with socket (4) grafting complex plug.

2. The assembly weld assembly of claim 1, wherein: be equipped with step hole (311) in sensor wiring end (31), sensor portion (33) other end tip stretches into in step hole (311) after passing the lateral wall of sensor wiring end (31), and this sensor portion (33) tip links firmly movable lantern ring (331), movable lantern ring (331) and step hole (311) sliding connection can follow step hole (311) axial slip.

3. The assembly weld assembly of claim 2, wherein: an elastic piece is connected between the movable lantern ring (331) and the stepped hole (311).

4. The assembly weld assembly of claim 3, wherein: the elastic piece is a spring (312), the spring (312) is sleeved outside a guide pipe (332) with one end fixedly connected with a movable lantern ring (331), one end of the spring (312) is abutted against the movable lantern ring (331), and the other end of the spring is abutted against a step surface of a step hole (311).

5. The assembly weld assembly of claims 1 or 4, wherein: casing assembly (2) inside is equipped with plummer (22), plummer (22) and wiring end (6) the relative arrangement of core (5) that generates heat and lie in the one end of keeping away from core terminal (61) that generates heat on wiring end (6) of core (5), plummer (22) and sensor wiring end (31) are gone up the one end of keeping away from sensor terminal (32) and are offseted and are used for carrying out the axial spacingly to sensor terminal (31).

6. The assembly weld assembly of claim 1, wherein: the soldering iron is characterized in that a first positioning lug (111) and a second positioning lug (112) which are different in size are arranged on the soldering iron head (1) along the circumferential interval, a first matching groove (23) and a second matching groove (24) are formed in the end portion of the shell assembly (2) in a matched mode, the first positioning lug (111) is installed in the first matching groove (23) in a matched mode, and the second positioning lug (112) is installed in the second matching groove (24) in a matched mode.

7. The assembly weld assembly of claim 6, wherein: the first positioning lug (111) and the second positioning lug (112) are arranged on two opposite sides of the soldering iron head (1), and the width of the first positioning lug (111) is larger than that of the second positioning lug (112).

8. The assembly weld assembly of claim 7, wherein: the outer wall of the soldering bit (1) is annularly provided with a limiting convex ring (11), and the first positioning lug (111) and the second positioning lug (112) are fixedly connected to the limiting convex ring (11); an annular supporting table (25) is fixedly arranged on the inner wall of the shell component (2), and the outer side surface of the supporting table (25) is abutted against one side, opposite to the limiting convex ring (11).

9. The assembly weld assembly of claim 1, wherein: the soldering iron is characterized in that a positioning tube (12) is fixedly connected to the soldering iron head (1), the positioning tube (12) extends to the outer side of the soldering iron head (1) and the end part of the positioning tube (12) is turned over outwards to form a flanging (121), one end, close to the flanging (121), of the positioning tube (12) extends into the interior of the shell assembly (2) and is clamped and fixed through a clamping assembly (7) arranged in the interior of the shell assembly (2).

10. The assembly weld assembly of claim 9, wherein: the rear end of the shell component (2) is provided with a connecting part (21), the socket (4) is rotatably provided with a matching part (41), and the connecting part (21) is connected with the matching part (41) in a threaded matching manner.