CN211759492U

CN211759492U - Special clamp for welding thermistor

Info

Publication number: CN211759492U
Application number: CN202020074233.7U
Authority: CN
Inventors: 李勇; ***; 鲁小勇; 姜永辉
Original assignee: Shenyang Zhonglian Technology Co ltd
Current assignee: Shenyang Zhonglian Technology Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-27
Anticipated expiration: 2030-01-14

Abstract

The utility model relates to the technical field of thermistor welding, in particular to a special clamp for thermistor welding, which comprises a base, a first connecting arm, a second connecting arm and a third connecting arm, wherein the bottom end surface of the first connecting arm, the right end surface of the second connecting arm and the top end surface of the third connecting arm are fixedly connected with a spherical slider, the spherical slider positioned at the bottom penetrates through the base, the spherical slider positioned at the right end of the top penetrates through the first connecting arm, and the spherical slider positioned at the left end of the top penetrates through the second connecting arm; the utility model discloses in, through base, globular slider, stopper, first threaded spindle, micro motor, first linking arm and the second linking arm that sets up, this kind of setting cooperation base is connected with the rotation of globular slider, the screwed connection of stopper and first threaded spindle and micro motor's fixed connection, has realized relying on the apparatus to stabilize thermistor, has improved stability and location effect, has guaranteed the welding effect.

Description

Special clamp for welding thermistor

Technical Field

The utility model relates to a thermistor welds technical field, specifically is a thermistor welds and uses special clamp.

Background

The thermistor is a kind of sensitive element, and is divided into a positive temperature coefficient thermistor and a negative temperature coefficient thermistor according to different temperature coefficients, and the thermistor is typically characterized in that the thermistor is sensitive to temperature and shows different resistance values at different temperatures, the positive temperature coefficient thermistor has a larger resistance value at higher temperature, and the negative temperature coefficient thermistor has a lower resistance value at higher temperature, and the positive temperature coefficient thermistor and the negative temperature coefficient thermistor belong to semiconductor devices.

The clamp for welding the thermistor is mostly held by a worker to clamp and weld, the holding stability is poor, the positioning effect is poor, and the welding effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermistor welds and uses special clamp to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a special clamp for welding a thermistor comprises a base, a first connecting arm, a second connecting arm and a third connecting arm, wherein a spherical sliding block is fixedly connected to the bottom end face of the first connecting arm, the right end face of the second connecting arm and the top end face of the third connecting arm, the spherical sliding block positioned at the bottom penetrates through the base, the spherical sliding block positioned at the right end of the top penetrates through the first connecting arm, the spherical sliding block positioned at the left end of the top penetrates through the second connecting arm, the spherical sliding block is rotatably connected with the base, the first connecting arm and the second connecting arm, the bottom end face of the third connecting arm is fixedly connected with an electric push rod, the outer side of the electric push rod is rotatably connected with a connecting rod through a rotating shaft, the bottom end face of the electric push rod is fixedly connected with a fixing rod, the outer side of the fixing rod is rotatably connected with a clamping arm through a rotating shaft, the connecting rod, and the left end surface of the third connecting arm is fixedly connected with a button.

Preferably, the globular slider outside is equipped with the stopper, is located the bottom the stopper runs through the base, is located the top right-hand member the stopper runs through first linking arm, is located the top left end the stopper runs through the second linking arm, stopper and base, first linking arm and second linking arm sliding connection, the inboard screwed connection of stopper has first threaded spindle, first threaded spindle runs through the stopper, the other end of first threaded spindle is equipped with micro motor, first threaded spindle and micro motor's main shaft fixed connection is located the bottom micro motor and base fixed connection are located the top right-hand member micro motor and first linking arm fixed connection are located the top left end micro motor and second linking arm fixed connection.

Preferably, the bottom end of the inner side of the clamping arm is slidably connected with a clamping block, the clamping block penetrates through the clamping arm, a spring is fixedly connected to the outer side of the clamping block, and the other end of the spring is fixedly connected with the clamping arm.

Preferably, the left end face of the base and the right end face of the base are both fixedly connected with fixing blocks, and the bottom end face of each fixing block is fixedly connected with a sucker shell.

Preferably, the top end of the inner side of the sucker shell is connected with a piston in a sliding mode, the center position of the top end face of the piston is connected with a second threaded shaft in a rotating mode, the second threaded shaft penetrates through the fixed block, and the second threaded shaft is in threaded connection with the fixed block.

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

1. in the utility model, the arrangement is matched with the rotation connection of the base and the spherical slider, the screw connection of the stopper and the first threaded shaft and the fixed connection of the first threaded shaft and the micro motor through the arranged base, the spherical slider, the stopper, the first threaded shaft, the micro motor, the first connecting arm and the second connecting arm, so that the thermistor is stabilized by means of instruments, the stability and the positioning effect are improved, and the welding effect is ensured;

2. the utility model discloses in, through electric putter, connecting rod, dead lever and the centre gripping arm that sets up, this kind of rotation that sets up cooperation electric putter and the fixed connection of connecting rod, connecting rod and centre gripping arm is connected and the dead lever is connected with the rotation of centre gripping arm, and this kind of centre gripping mode has realized steady clamping, has reduced staff's intensity of labour simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: the device comprises a base 1, a spherical sliding block 2, a limiting block 3, a first threaded shaft 4, a micro motor 5, a first connecting arm 6, a second connecting arm 7, a third connecting arm 8, an electric push rod 9, a connecting rod 10, a fixing rod 11, a clamping arm 12, a clamping block 13, a spring 14, a fixing block 15, a sucker shell 16, a piston 17, a second threaded shaft 18, a controller 19 and a button 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a special clamp for welding a thermistor comprises a base 1, a first connecting arm 6, a second connecting arm 7 and a third connecting arm 8, wherein the bottom end face of the first connecting arm 6, the right end face of the second connecting arm 7 and the top end face of the third connecting arm 8 are fixedly connected with a spherical slider 2, the spherical slider 2 positioned at the bottom penetrates through the base 1, the spherical slider 2 positioned at the right end of the top penetrates through the first connecting arm 6, the spherical slider 2 positioned at the left end of the top penetrates through the second connecting arm 7, the spherical slider 2 is rotatably connected with the base 1, the first connecting arm 6 and the second connecting arm 7, the bottom end face of the third connecting arm 8 is fixedly connected with an electric push rod 9, the outer side of the electric push rod 9 is rotatably connected with a connecting rod 10 through a rotating shaft, the bottom end face of the electric push rod 9 is fixedly connected with a fixing rod 11, the outer side of the fixing rod 11 is, the connecting rod 10 is rotatably connected with the clamping arm 12 through a rotating shaft, the movement of the clamping arm 7 is controlled by the stretching of the electric push rod 9, the controller 19 is fixedly connected to the right end of the top end face of the base 1, the button 20 is fixedly connected to the left end face of the third connecting arm 8, and the control device is controlled conveniently through the arrangement.

The outer side of the spherical sliding block 2 is provided with a limiting block 3, the limiting block 3 positioned at the bottom penetrates through the base 1, the limiting block 3 positioned at the right end of the top penetrates through the first connecting arm 6, the limiting block 3 positioned at the left end of the top penetrates through the second connecting arm 7, the limiting block 3 is in sliding connection with the base 1, the first connecting arm 6 and the second connecting arm 7, the inner side of the limiting block 3 is spirally connected with a first threaded shaft 4, the first threaded shaft 4 penetrates through the limiting block 3, the other end of the first threaded shaft 4 is provided with a micro motor 5, the first threaded shaft 4 is fixedly connected with a main shaft of the micro motor 5, the micro motor 5 positioned at the bottom is fixedly connected with the base 1, the micro motor 5 positioned at the right end of the top is fixedly connected with the first connecting arm 6, and the micro motor 5 positioned at the left end of the top is fixedly connected with the, the arrangement is convenient for controlling whether each connecting arm can rotate or not, the bottom end of the inner side of the clamping arm 12 is connected with a clamping block 13 in a sliding way, the clamping block 13 penetrates through the clamping arm 12, a spring 14 is fixedly connected to the outer side of the clamping block 13, the other end of the spring 14 is fixedly connected with the clamping arm 12, the arrangement is convenient for protecting the thermistor and avoiding the thermistor from being damaged by clamping, the left end surface of the base 1 and the right end surface of the base 1 are both fixedly connected with the fixed block 15, the bottom end surface of the fixed block 15 is fixedly connected with the sucker shell 16, this arrangement facilitates a more stable placement of the device, the top of the inside of the sucker shell 16 is slidably connected with a piston 17, a second threaded shaft 18 is rotatably connected to the center of the top end surface of the piston 17, the second threaded shaft 18 penetrates through the fixed block 15, the second threaded shaft 18 is screwed to the mounting block 15, which is provided to facilitate mounting of the device on a work surface.

The working process is as follows: all electrical appliances in the device are external power supplies, the device is powered on before the device is used, workers place the device at a proper position, then the workers rotate the second threaded shaft 18, the second threaded shaft 18 rotates to enable the piston 17 to slide upwards, the sucker shell 16 firmly fixes the device on a working table under the action of atmospheric pressure, then the workers can use the device, when the workers use the device, the workers firstly press the button 20 at the bottom end, at the moment, the controller 19 controls the micro motor 5 to operate, the micro motor 5 operates to enable the first threaded shaft 4 to rotate, the limiting block 3 is enabled to be separated from contact with the spherical sliding block 2, the first connecting arm 6, the second connecting arm 7 and the third connecting arm 8 of the device can move, then the workers hand holds the third connecting arm 8 to move the clamping arm 12 to the thermistor, then the operator presses the button 20 at the top end, at this time, the controller 19 controls the operation of the electric push rod 9, the electric push rod 9 contracts, so that the fixing rod 11 generates upward displacement, at this time, the connecting rod 10 rotates, the clamping arm 12 also rotates, so that the distance between the two clamping blocks 13 is reduced, the clamping blocks 13 contact the thermistor, at this time, the spring 14 is compressed, because the friction force of the clamping blocks 13 is larger, the thermistor at this time is clamped, then the operator holds the third connecting arm 8 to move the thermistor to the position to be welded, then the operator presses the button 20 at the bottom end, at this time, the controller 19 controls the operation of the micro motor 5, so that the first threaded shaft 4 rotates, the stopper 3 slides the stopper 3 to contact with the spherical sliding block 2, so that the spherical sliding block 2 at this time cannot rotate, so that the position of the hot-face resistor is fixed, the worker can then perform the weld.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special clamp is used in thermistor welding, includes base (1), first linking arm (6), second linking arm (7) and third linking arm (8), its characterized in that: the bottom end face of the first connecting arm (6), the right end face of the second connecting arm (7) and the top end face of the third connecting arm (8) are fixedly connected with a spherical sliding block (2), the spherical sliding block (2) positioned at the bottom penetrates through the base (1), the spherical sliding block (2) positioned at the right end of the top penetrates through the first connecting arm (6), the spherical sliding block (2) positioned at the left end of the top penetrates through the second connecting arm (7), the spherical sliding block (2) is rotatably connected with the base (1), the first connecting arm (6) and the second connecting arm (7), the bottom end face of the third connecting arm (8) is fixedly connected with an electric push rod (9), the outer side of the electric push rod (9) is rotatably connected with a connecting rod (10) through a rotating shaft, the bottom end face of the electric push rod (9) is fixedly connected with a fixing rod (11), the outer side of the fixing rod (11, the connecting rod (10) is rotatably connected with the clamping arm (12) through a rotating shaft, the right end of the top end face of the base (1) is fixedly connected with a controller (19), and the left end face of the third connecting arm (8) is fixedly connected with a button (20).

2. The special clip for thermistor welding according to claim 1, characterized in that: the outer side of the spherical sliding block (2) is provided with a limiting block (3), the limiting block (3) positioned at the bottom penetrates through the base (1), the limiting block (3) positioned at the right end of the top penetrates through the first connecting arm (6), the limiting block (3) positioned at the left end of the top penetrates through the second connecting arm (7), the limiting block (3) is in sliding connection with the base (1), the first connecting arm (6) and the second connecting arm (7), the inner side of the limiting block (3) is spirally connected with a first threaded shaft (4), the first threaded shaft (4) penetrates through the limiting block (3), the other end of the first threaded shaft (4) is provided with a micro motor (5), the first threaded shaft (4) is fixedly connected with a main shaft of the micro motor (5), the micro motor (5) positioned at the bottom is fixedly connected with the base (1), the micro motor (5) positioned at the right end of the top is fixedly connected with the first connecting arm (6), the micro motor (5) positioned at the left end of the top is fixedly connected with the second connecting arm (7).

3. The special clip for thermistor welding according to claim 1, characterized in that: the utility model discloses a clamping arm, including centre gripping arm (12), centre gripping arm (12) inboard bottom sliding connection has grip block (13), grip block (13) run through centre gripping arm (12), grip block (13) outside fixedly connected with spring (14), the other end and centre gripping arm (12) fixed connection of spring (14).

4. The special clip for thermistor welding according to claim 1, characterized in that: the vacuum cleaner is characterized in that the left end face of the base (1) and the right end face of the base (1) are fixedly connected with fixing blocks (15), and the bottom end face of each fixing block (15) is fixedly connected with a sucker shell (16).

5. The special clip for thermistor welding according to claim 4, characterized in that: the sucking disc shell (16) inboard top sliding connection has piston (17), piston (17) top end face central point puts and rotates and is connected with second screw shaft (18), second screw shaft (18) run through fixed block (15), second screw shaft (18) and fixed block (15) threaded connection.