阅读说明：本技术 一种电路板碳墨阻值测试装置 (Circuit board carbon ink resistance testing arrangement ) 是由 徐嘉杰 于 2020-09-09 设计创作，主要内容包括：本发明公开了一种电路板碳墨阻值测试装置,包括万能表本体,万能表本体的表面开设有插孔,插孔的内壁插接有插块,插块的内部开设有空腔,空腔的内壁滑动连接有滑块,滑块的表面固定安装有第一弹簧,滑块表面固定连接有限位块,限位块的一端贯穿插块的表面,插块的表面固定连接有圆盖,万能表本体的表面设有保护壳,保护壳的表面固定连接有轴承,轴承的内壁固定连接把手,万能表本体的表面固定安装有第一防撞条和第二防撞条。通过设置有插块和圆盖,在不使用插孔时,便于将插孔密封,达到防尘的目的,利于插孔的使用。(The invention discloses a circuit board carbon ink resistance value testing device which comprises a universal meter body, wherein a jack is formed in the surface of the universal meter body, an inserting block is inserted into the inner wall of the jack, a cavity is formed in the inserting block, a sliding block is connected to the inner wall of the cavity in a sliding manner, a first spring is fixedly mounted on the surface of the sliding block, a limiting block is fixedly connected to the surface of the sliding block, one end of the limiting block penetrates through the surface of the inserting block, a round cover is fixedly connected to the surface of the inserting block, a protective shell is arranged on the surface of the universal meter body, a bearing is fixedly connected to the surface of the protective shell, a handle is fixedly connected to the inner wall of the bearing, and a first. Through being provided with inserted block and dome, when not using the jack, be convenient for seal the jack, reach dirt-proof purpose, do benefit to the use of jack.)

1. The utility model provides a circuit board carbon ink resistance testing arrangement, includes universal meter body (1), its characterized in that: the surface of the universal watch body (1) is provided with an insertion hole (16), the inner wall of the insertion hole (16) is inserted with an insertion block (13), a cavity (15) is arranged inside the inserting block (13), the inner wall of the cavity (15) is connected with a sliding block (18) in a sliding way, a first spring (12) is fixedly arranged on the surface of the sliding block (18), a limiting block (14) is fixedly connected on the surface of the sliding block (18), one end of the limiting block (14) penetrates through the surface of the inserting block (13), the surface of the inserting block (13) is fixedly connected with a round cover (7), the surface of the universal watch body (1) is provided with a protective shell (9), the surface of the protective shell (9) is fixedly connected with a bearing (5), the inner wall fixed connection handle (8) of bearing (5), the fixed surface of omnipotent table body (1) installs first anticollision strip (4) and second anticollision strip (6).

2. The device for testing the resistance of the carbon ink of the circuit board as claimed in claim 1, wherein: the inner wall of the protective shell (9) is fixedly provided with a flame-retardant layer (11), and the flame-retardant layer (11) is made of flame-retardant pressure-sensitive adhesive.

3. The device for testing the resistance of the carbon ink of the circuit board as claimed in claim 1, wherein: radiating holes (10) are formed in the surface of the protective shell (9), and the number of the radiating holes (10) is ten.

4. The device for testing the resistance of the carbon ink of the circuit board as claimed in claim 1, wherein: the surface fixed mounting of protective housing (9) has ring (2), the inner wall of one end at ring (2) of handle (8) rotates.

5. The device for testing the resistance of the carbon ink of the circuit board as claimed in claim 4, wherein: spring groove (21) have been seted up to the inside of ring (2), the inner wall fixed mounting of spring groove (21) has second spring (22).

6. The device for testing the resistance of the carbon ink of the circuit board as claimed in claim 5, wherein: the one end fixedly connected with spacing ring (20) of second spring (22), the surface of spacing ring (20) slides at the inner wall of spring groove (21), the inner wall fixedly connected with pull rod (3) of spacing ring (20), the inner wall of ring (2) is run through to the one end of pull rod (3), the surface of ring (2) is run through to the other end of pull rod (3).

7. The device for testing the resistance of the carbon ink of the circuit board as claimed in claim 1, wherein: the surface of the handle (8) is provided with a slot (19), and the inner wall of the jack (16) is provided with a limit hole (17).

Technical Field

The invention belongs to the technical field of circuit boards, and particularly relates to a circuit board carbon ink resistance testing device.

Background

Multimeters, also known as multiplex meters, multi-purpose meters, triple meters, multi-purpose meters, etc., are indispensable measurement instruments for power electronics and other departments, and generally aim to measure voltage, current and resistance.

At present, the existing carbon ink resistance of the circuit board is tested by adopting a universal meter, but the existing jack of the universal meter is not provided with a dustproof device, dust easily falls into the jack, the contact of a test wire connector is poor, the universal meter is not provided with a protection device, and the use is inconvenient, so that the carbon ink resistance testing device of the circuit board with the jack dustproof device and the protection device is provided aiming at the problems.

Disclosure of Invention

The invention aims to provide a circuit board carbon ink resistance testing device to solve the problems that dust easily enters an existing universal meter jack and a protection device is not provided.

In order to achieve the purpose, the invention provides the following technical scheme: a circuit board carbon ink resistance testing device comprises a universal meter body, wherein a jack is formed in the surface of the universal meter body, a testing line can be conveniently connected through the jack, an inserting block is inserted into the inner wall of the jack, the purpose of inserting the jack is achieved through the inserting block, dust is prevented from falling into the jack when the universal meter is not used, the jack is prevented from being connected with the testing line in a poor mode, a cavity is formed in the inner portion of the inserting block, a sliding block is connected to the inner wall of the cavity in a sliding mode, the purpose of limiting the movement of a limiting block is achieved through the sliding block, the purpose of applying acting force to the limiting block is achieved, a first spring is fixedly installed on the surface of the sliding block, the first spring is in a compressed state and is used for providing acting force through the first spring, the limiting block is fixedly connected to the surface of the sliding block, the universal watch is characterized in that the limiting block is arranged to facilitate fixing of the inserting block to the inner wall of the inserting hole, one end of the limiting block penetrates through the surface of the inserting block, the round cover is fixedly connected to the surface of the inserting block, the purpose of conveniently drawing the inserting block out is achieved by the round cover, the surface of the universal watch body is provided with the protective shell, the protective shell is made of elastic rubber and is made of the elastic rubber, the protective shell is arranged to achieve the purpose of providing anti-falling protection for the universal watch body, the surface of the protective shell is fixedly connected with the bearing and is used for bearing the fixed handle, the handle is fixedly connected to the inner wall of the bearing, the universal watch body is convenient to carry by the handle, meanwhile, the universal watch body is convenient to tilt and place, the universal watch body is convenient to use, the first anti-collision strip and the second anti-collision strip are fixedly arranged on the surface of the universal watch body, the purpose of providing the anti-collision function for the universal watch body is achieved.

Preferably, the inner wall of the protective shell is fixedly provided with a flame-retardant layer, the flame-retardant layer is made of flame-retardant pressure-sensitive adhesive, and the flame-retardant pressure-sensitive adhesive has a good flame-retardant function and is beneficial to protecting the universal watch body.

Preferably, the radiating holes are formed in the surface of the protective shell, the number of the radiating holes is ten, and the radiating holes are formed, so that the universal watch body can be conveniently radiated, and the universal watch body can be favorably used.

Preferably, the surface fixed mounting of protective housing has the ring, and through being provided with the ring, the fixed handle of being convenient for does benefit to and places omnipotent table body slope through the handle, the one end of handle rotates at the inner wall of ring.

Preferably, the spring groove has been seted up to the inside of ring, the inner wall fixed mounting in spring groove has the second spring, and the second spring is in compression state, through the second spring that is provided with compression state, plays the purpose that provides the effort to the spacing ring.

Preferably, the one end fixedly connected with spacing ring of second spring, the surface of spacing ring slides at the inner wall of spring groove, through being provided with the spacing ring, plays the purpose of applying the effort to the pull rod, also plays the spacing purpose of counter pull rod motion simultaneously, the inner wall fixedly connected with pull rod of spacing ring through being provided with the pull rod, and the slot of pegging graft of being convenient for does benefit to fixed handle, the inner wall of ring is run through to the one end of pull rod, the other end of pull rod runs through the surface of ring.

Preferably, the surface of the handle is provided with a slot, the insertion of the pull rod is facilitated by the slot, the inner wall of the jack is provided with a limiting hole, and the insertion of the limiting block is facilitated by the limiting hole.

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

1. by arranging the inserting block and the round cover, when the inserting hole is not used, the inserting hole is convenient to seal, the purpose of dust prevention is achieved, and the use of the inserting hole is facilitated;

2. the protective shell, the first anti-collision strip and the second anti-collision strip are arranged, so that the universal watch body is protected conveniently, and the universal watch body is used conveniently;

3. through being provided with the handle, the universal watch body of portable also is convenient for simultaneously the universal watch body washs and places the use.

Drawings

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

FIG. 2 is a cross-sectional view of the protective case of the present invention;

FIG. 3 is a partial cross-sectional view of the jack of the present invention;

fig. 4 is a cross-sectional view of a ring of the present invention.

In the figure: 1. a universal watch body; 2. a circular ring; 3. a pull rod; 4. a first bumper strip; 5. a bearing; 6. a second bumper strip; 7. a dome; 8. a handle; 9. a protective shell; 10. heat dissipation holes; 11. a flame retardant layer; 12. a first spring; 13. inserting a block; 14. a limiting block; 15. a cavity; 16. a jack; 17. a limiting hole; 18. a slider; 19. a slot; 20. a limiting ring; 21. a spring slot; 22. a second spring.

Detailed Description

Referring to fig. 1, 2 and 3, a circuit board carbon ink resistance value testing device comprises a universal meter body 1, wherein a jack 16 is formed on the surface of the universal meter body 1, a testing line is convenient to connect by arranging the jack 16, an insertion block 13 is inserted into the inner wall of the jack 16, the purpose of inserting the jack 16 is achieved by arranging the insertion block 13, dust is prevented from falling into the jack 16 when the universal meter is not used, the jack 16 is not connected with the testing line well, a cavity 15 is formed inside the insertion block 13, a sliding block 18 is connected to the inner wall of the cavity 15 in a sliding manner, the purpose of limiting the movement of a limiting block 14 is achieved by arranging the sliding block 18, the purpose of applying acting force to the limiting block 14 is achieved by arranging the sliding block 18, a first spring 12 is fixedly arranged on the surface of the sliding block 18, the first spring 12 is in a compressed state, the purpose of providing acting force is achieved by arranging the, the shape of one end of the limiting block 14 is semi-spherical, the inserting block 13 is conveniently fixed on the inner wall of the jack 16 by arranging the limiting block 14, one end of the limiting block 14 penetrates through the surface of the inserting block 13, the round cover 7 is fixedly connected to the surface of the inserting block 13, the round cover 7 is arranged to achieve the purpose of conveniently drawing out the inserting block 13, the surface of the universal watch body 1 is provided with the protective shell 9, the protective shell 9 is made of elastic rubber, the protective shell 9 is arranged to achieve the purpose of providing anti-falling protection for the universal watch body 1, the surface of the protective shell 9 is fixedly connected with the bearing 5, the bearing 5 is arranged to achieve the purpose of bearing the fixed handle 8, the inner wall of the bearing 5 is fixedly connected with the handle 8, the universal watch body 1 is convenient to carry by arranging the handle 8, the universal watch body 1 is also convenient to be obliquely arranged, the universal watch body 1 is favorable for use, the first anti-collision strip 4 and the second anti-collision, through being provided with first anticollision strip 4 and second anticollision strip 6, play the purpose that provides crashproof function for omnipotent table body 1.

Referring to fig. 1 and 2, a flame-retardant layer 11 is fixedly mounted on the inner wall of the protective shell 9, and the flame-retardant layer 11 is made of a flame-retardant pressure-sensitive adhesive, which has a good flame-retardant function and is beneficial to protecting the universal watch body 1.

Referring to fig. 1 and 2, heat dissipation holes 10 are formed in the surface of the protective casing 9, the number of the heat dissipation holes 10 is ten, and the heat dissipation holes 10 are formed, so that the universal watch body 1 can dissipate heat conveniently, and the universal watch body 1 can be used conveniently.

Referring to fig. 1 and 4, a ring 2 is fixedly mounted on the surface of the protective casing 9, and the handle 8 is conveniently fixed by the ring 2, so that the universal watch body 1 can be placed obliquely through the handle 8, and one end of the handle 8 rotates on the inner wall of the ring 2.

Referring to fig. 4, a spring groove 21 is formed inside the circular ring 2, a second spring 22 is fixedly mounted on an inner wall of the spring groove 21, the second spring 22 is in a compressed state, and the second spring 22 in the compressed state is arranged to provide an acting force to the limit ring 20.

Referring to fig. 1 and 4, one end of the second spring 22 is fixedly connected with a limiting ring 20, the surface of the limiting ring 20 slides on the inner wall of the spring groove 21, and the limiting ring 20 is arranged to exert an acting force on the pull rod 3 and limit the movement of the pull rod 3, the pull rod 3 is fixedly connected with the inner wall of the limiting ring 20, and the pull rod 3 is arranged to facilitate the insertion of the insertion slot 19 and facilitate the fixing of the handle 8, one end of the pull rod 3 penetrates through the inner wall of the circular ring 2, and the other end of the pull rod 3 penetrates through the surface of the circular ring 2.

Referring to fig. 3 and 4, a slot 19 is formed on the surface of the handle 8, the insertion of the pull rod 3 is facilitated by the slot 19, a limiting hole 17 is formed on the inner wall of the insertion hole 16, and the insertion of the limiting block 14 is facilitated by the limiting hole 17.

The working principle of the scheme is as follows: when the universal meter body 1 is not used, the plug-in block 13 is plugged into the inner wall of the jack 16 through the round cover 7, after the plugging is completed, the round cover 7 is rotated, the round cover 7 drives the plug-in block 13 to rotate along the inner wall of the jack 16 until the limit block 14 moves to the limit hole 17, the limit block 14 is plugged into the limit hole 17 under the action of the first spring 12 to complete the fixing of the plug-in block 13, the purpose of preventing dust of the jack 16 is achieved through the arrangement of the plug-in block 13 and the round cover 7, the use of the jack 16 is facilitated, the protection shell 9, the first anti-collision strip 4 and the second anti-collision strip 6 are arranged, the universal meter body 1 is convenient to protect, the use of the universal meter body 1 is facilitated, the handle 8 is convenient to carry the universal meter body 1 through the arrangement of the handle 8, meanwhile, the handle 8 can be rotated, the purpose of fixing the handle 8 is achieved through plugging one end of the pull rod 3 into the, the universal watch body 1 can be placed in an inclined mode conveniently, and the universal watch body 1 is convenient to use.