CN203818081U - Disassembling jig - Google Patents

Abstract

The utility model relates to a disassembly jig, which is used for withdrawing the head of a push pin from a plate hole of a main board. The disassembly jig comprises a sleeve and an ejector pin, wherein the sleeve has an opening, and the ejector pin is arranged in the sleeve and can be displaced along a pressing direction. One end of the ejector pin has an ejection portion, and the ejection portion corresponds to the opening. The sleeve is sleeved on the head of the push pin with the opening, and the head is squeezed and deformed. When the ejector pin is displaced along the pressing direction, the ejection portion pushes against the head, so that the head is withdrawn from the plate hole of the main board, thereby disassembling the push pin from the main board.

Description

Disassembly fixture

【Technical field】

The utility model relates to a jig, in particular to a dismantling jig used for dismantling a buckle type lock bolt.

【Background technique】

In order to maintain the good operation of the electronic device, most manufacturers will install multiple heat sinks on the main board of the electronic device to dissipate heat from the chips on the main board, and in the process of assembling the heat sink and the chip, to fix The fixing part of the heat sink also plays a pivotal role, because the fixing part can not only fix the heat sink, but also make the contact between the heat sink and the chip closer to shorten the heat transfer path. Most of the fixing parts used in the existing technology adopt push pins (Push Pins) that are easy to assemble, and their heads have arrow-shaped barbs. When pressing, the arrow-shaped barb on the head will be squeezed and retracted, so that the barb end passes through the plate hole of the motherboard, and the barb can be reversed against the bottom surface of the motherboard to achieve the function of fixing the radiator.

However, it is found during the actual production line assembly that the snap-on latch is very simple and quick to install, but the exterior design of the snap-on latch is not conducive to detaching from the board hole of the motherboard in reverse. Therefore, when the push-button lock bolt needs to be disassembled from the main board, it is very difficult. The operator must use pliers or fingers to squeeze the arrow-shaped barb on the head to shrink it inwardly, and then press down with the fingers to close it. Snap-on latch exits plate hole. In this way, not only is it easy to cause scratches on the main board, or damage parts on the main board, but also cause pain or injury to the fingers of the operator, thereby affecting the overall work efficiency.

As mentioned above, if the jig can be used to disassemble the snap-on lock bolt, so that the operator can quickly and conveniently operate to improve work efficiency, it will have better convenience than the conventional technology sex and usability.

【Content of utility model】

In view of the above problems, the utility model provides a dismantling jig, so as to solve the difficulty in dismantling the conventional snap-on lock bolt. It is necessary to use pliers or fingers to squeeze the head to make it retract, and then press it down with your fingers to close it. The push-button locking bolt exits the board hole, which may easily scratch the main board or damage parts on the main board, and may also cause finger pain or injury to the operator.

In order to solve the above-mentioned technical problems, the utility model provides a dismantling jig, which is used for withdrawing the head of a push pin (Push Pin) from a plate hole of a mainboard. The dismantling jig includes: a sleeve, It has an opening; a thimble is movably arranged in the sleeve and can be displaced along a pressing direction. One end of the thimble has an ejection part, and the ejection part corresponds to the opening, wherein the sleeve is sleeved in the opening The head of the press-button lock bolt deforms and shrinks when the head is squeezed. When the thimble moves along the pressing direction, the ejector part pushes against the head so that the head exits the hole of the motherboard.

Further, the above-mentioned disassembly jig of the present invention further includes a spring disposed between the sleeve and the thimble.

Further, in the disassembly jig of the present invention, the other end of the thimble has a pressing portion, which is exposed outside the sleeve, and the thimble is pressed along the pressing direction by the pressing portion, and pushes the ejecting portion to displace in the direction of opening the hole.

Furthermore, in the disassembly jig of the present invention, the thimble further has a middle section, the two ends of the middle section are respectively connected to the pressing section and the ejection section, and the outer diameter of the middle section is larger than the outer diameter of the ejection section.

Furthermore, in the above-mentioned disassembly jig of the present invention, the sleeve further has an accommodating groove, which is arranged at the other end of the opening, and the opening is connected to the accommodating groove, and the middle section of the ejector pin and the ejecting part are accommodated in the holding tank.

Furthermore, in the above disassembly jig of the present invention, the sleeve further has a baffle plate covering the accommodating groove.

Furthermore, in the disassembly jig of the present utility model, the sleeve further has a protruding part, and the opening is set on the protruding part. It is against the motherboard.

Furthermore, in the above-mentioned disassembly jig of the present invention, the head of the snap-on locking bolt is in the shape of a cone or an arrow.

The effect of the utility model is that the dismantling jig can not only be quickly positioned on the head of the buckle type lock bolt, so that the operator can quickly and conveniently operate, thereby simplifying its operation steps, but also can use the structure of the spring to make the dismantling The thimble of the jig has an automatic return function, so that the user can quickly and repeatedly perform operations, thereby improving work efficiency, thereby reducing labor costs and operation time, and providing better convenience and usability.

Regarding the features, implementation and effects of the present utility model, the best embodiment is described in detail below in conjunction with the drawings.

【Description of drawings】

FIG. 1 is an exploded schematic diagram of a disassembly jig according to an embodiment of the present invention.

Fig. 2 is a combined cross-sectional view of a dismantling jig according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of the operation of installing the disassembly jig on the press-buckle lock according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of the operation of ejecting the snap-on lock bolt by the disassembly jig according to an embodiment of the present invention.

FIG. 5 is a three-dimensional schematic diagram of a dismantling jig and a snap-on locking bolt withdrawing from a plate hole according to an embodiment of the present invention.

Description of main component symbols:

100 Disassembly jig 114 Protruding part

110 Socket 120 Thimble

111 Opening hole 121 Pressing part

112 Accommodating tank 122 Ejector

113 Baffle 123 Middle section

130 Spring 300 Motherboard

200 snap-on latch 310 plate hole

210 Head P10 Press direction

【Detailed ways】

The dismantling jig disclosed in the following of the utility model is an example of dismantling the buckle-type lock bolt as an example, but it is not limited to the disclosed type. Those who are familiar with this technology can choose according to the actual design requirements or The appearance of the dismantling jig of the present utility model is changed correspondingly to the requirement of use.

Please refer to FIG. 1 to FIG. 5 at the same time, which are respectively an exploded view, a combined sectional view and an operation schematic view of a disassembly jig according to an embodiment of the present invention. The removal jig 100 of this embodiment is used to withdraw the head 210 of a snap-on latch 200 from the hole 310 of a motherboard 300 , so that the snap-on latch 200 can be detached from the motherboard 300 .

Chen Qian stated that the snap lock bolt 200 described in the embodiment of the utility model is a generally known (Push Pin) type of fixing member, so the applicant will not explain it here, only for the purpose of this embodiment. The electronic components involved in the example are described in detail. Wherein, the head 210 of the buckle lock 200 is shaped like a cone or an arrow, but it is not limited thereto. Therefore, when the snap-on lock bolt 200 is pressed down toward the board hole 310 of the circuit board 300, its head 210 will be squeezed by the board hole 310 and deformed, so that the outer diameter of the head 210 will shrink inwardly, and then pass The hole 310 of the motherboard 300 rebounds back to its original size when the head 210 passes through the hole 310, so that the head 210 can be pushed against the bottom of the motherboard 300 to achieve a fixed effect.

The disassembly jig 100 of this embodiment includes a sleeve 110 and a thimble 120 . The sleeve 110 has an opening 111 , a receiving groove 112 , a baffle 113 and a protrusion 114 . The protruding portion 114 is connected to one end of the sleeve 110 , and the opening 111 is disposed on the protruding portion 114 . The accommodating groove 112 is connected to the other end of the protruding portion 114 , therefore, the opening 111 passes through the protruding portion 114 and communicates with the accommodating groove 112 to accommodate the ejector pin 120 therein. The baffle 113 covers the accommodating groove 112 , and when the thimble 120 is set in the sleeve 110 , it can provide a position-limiting function so that the thimble 120 will not escape from the sleeve 110 .

The ejector pin 120 in this embodiment has two opposite ends, one end has a pressing portion 121 , and the other end has a pushing portion 122 , and the pushing portion 122 and the pressing portion 121 are connected to each other by a middle section 123 . Wherein, the ejecting portion 122 and the middle portion 123 are substantially cylindrical, and the outer diameter of the middle portion 123 is larger than the outer diameter of the ejecting portion 122 .

Further explaining the detailed structure and operation method of the disassembly jig 100, the thimble 120 of this embodiment is movably arranged in the sleeve 110, and can be displaced along a pressing direction P10, when the thimble 120 is mounted on the sleeve 110 When inside, the middle portion 123 of the thimble 120 and part of the ejecting portion 121 are accommodated in the accommodating groove 112 of the sleeve 110, and the pressing portion 121 is exposed outside the sleeve 110 for the user to press, while the ejecting The outlet portion 122 corresponds to the position of the opening 111 . Therefore, as shown in FIG. 3, when the sleeve 110 is sleeved on the head 210 of the snap-on lock 200 through the opening 110, the head 210 will be squeezed and temporarily deformed, thereby shrinking the head. The outer diameter of the portion 210 is such that the head 210 of the snap lock 200 is embedded in the opening 110 , and the protruding portion 114 of the sleeve 110 abuts against the bottom surface of the motherboard 300 .

To further illustrate, as shown in FIG. 4 and FIG. 5 , the pressing portion 121 of the ejector pin 120 is pressed along the pressing direction P10 to push the ejecting portion 122 to move toward the opening 111 . When the thimble 120 is displaced along the pressing direction P10, the ejecting portion 122 will contact the head 210 of the snap-on latch 200, and push against the head 210, and make the head 210 withdraw from the board hole 310 of the motherboard 300 . Therefore, the snap lock 200 can be detached from the motherboard 300 .

Based on the above structure, the dismantling jig 100 of the present invention can be inserted directly by aligning the opening 111 of the sleeve 110 with the head 210 of the snap-on lock 200 , so as to achieve a quick positioning effect and make the operation easier for the user. In addition, in order to have better usability, the disassembly jig 100 of this embodiment further includes a spring 130 , which is sleeved on the ejection portion 122 of the thimble 120 and accommodated in the accommodating groove 112 of the sleeve 110 , and the two ends of the spring 130 are respectively pressed between the middle part 123 of the thimble 120 and the sleeve 110, when the thimble 120 is displaced along the pressing direction P10, the spring 130 will be pressed by the middle part 123 to generate a reaction force , when the external force applied to the thimble 120 disappears, the spring 130 will automatically spring back, and at the same time, the thimble 120 will bounce back along the direction P10 opposite to the pressing direction, so as to achieve the effect of automatic return, so that the user can quickly and repeatedly operate, and then Increase work efficiency.

It can be clearly known from the above description of the embodiments of the present invention that the dismounting jig of the present invention can quickly and conveniently withdraw the head of the press-buckle type lock bolt from the plate hole of a main board, which solves the problem of conventional press-buckle It is very difficult to disassemble the snap-on latch. You need to use pliers or your fingers to squeeze the head to make it retract, and then press down with your fingers to push the snap-on latch out of the board hole, which may easily cause scratches on the motherboard, or use Damage to the parts on the main board can also cause finger pain or injury to the operator, thereby affecting the overall work efficiency.

Therefore, compared with the prior art, the dismantling jig of the present utility model can not only be quickly positioned on the head of the press-buckle type lock bolt, so that the operator can quickly and conveniently operate, thereby simplifying its operation steps, but also The structure of the spring can be used to enable the thimble of the dismantling jig to have an automatic return function, so that the user can quickly and repeatedly perform operations, thereby improving work efficiency, thereby reducing labor costs and operating time, and providing better convenience. and usability.

Although the embodiments of the present utility model are disclosed as above, they are not intended to limit the present utility model. Anyone who is familiar with the related art can, without departing from the spirit and scope of the present utility model, refer to the shapes described in the application scope of the present utility model , structure, feature and quantity can be slightly changed, so the scope of patent protection of the utility model must be defined by the scope of patent application attached to this description as the criterion.

Claims (8)

1. a disassembling jig, is used in the head of a press fastening type locking bolt is exited from a plate hole of a motherboard, it is characterized in that, described disassembling jig comprises:

One sleeve, has a perforate; And

One thimble, be arranged in described sleeve, and can press direction displacement along one, one end of described thimble has an ejection part, and described ejection part correspondence is in described perforate, and wherein said sleeve is set in the head of described press fastening type locking bolt with described perforate, and make described head be squeezed and be out of shape, described in described thimble edge, press direction displacement, described ejection part pushes against described head, and described head is exited outside the plate hole of described motherboard.

2. disassembling jig according to claim 1, is characterized in that, more comprises a spring, is arranged between described sleeve and described thimble.

3. disassembling jig according to claim 1, it is characterized in that, the other end of described thimble has more a press section, is to expose outside described sleeve, described thimble is pressed to press direction described in edge, described press section, and promotes described ejection part towards the displacement of described perforate direction.

4. disassembling jig according to claim 3, is characterized in that, described thimble has more a center section part, the described press section of connection out of the ordinary, two ends and the described ejection part of center section part, and the external diameter of described center section part is greater than the external diameter of described ejection part.

5. disassembling jig according to claim 4, it is characterized in that, described sleeve has more a storage tank, is arranged on the other end of described perforate, and described perforate is communicated in described storage tank, the described center section part of described thimble and described ejection part are to be installed with in described storage tank.

6. disassembling jig according to claim 5, is characterized in that, described sleeve has more a baffle plate, covers on described storage tank.

7. disassembling jig according to claim 1, it is characterized in that, described sleeve has more a protuberance, and described perforate is arranged on described protuberance, when described perforate is set in the head of described press fastening type locking bolt, described protuberance is to support at described motherboard.

8. disassembling jig according to claim 1, is characterized in that, the nose shape of described press fastening type locking bolt is taper or arrow shape.