Positioning pin structure on pressing jig

Abstract

The positioning pin structure comprises a fixed supporting base, positioning pin bodies are fixedly connected to the four corners of the top of the fixed supporting base respectively, an adjusting positioning plate is arranged on the top of the surface of each positioning pin body in a sleeved mode, and mounting blocks are arranged at the four corners of the top of each adjusting positioning plate respectively. And the bottom of the mounting block penetrates into the positioning pin body. The sliding rod is pulled to move upwards, the sliding rod drives the conical column to move upwards, the conical column loses support on the inclined block, the elastic force of the spring drives the push plate and the clamping pin to move towards the inner side, the clamping pin retreats from the interior of the clamping groove, the installation block is moved upwards, the installation block is separated from the positioning pin body, and the positioning pin body and the adjusting positioning plate are not fixed. The press-fit jig positioning pin structure has the advantage of being convenient to operate and control, the positioning pin structure is clamped in a buckling and pulling mode, the positioning pin structure cannot slip in the operation process, and the use convenience of the press-fit jig positioning pin structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning pin equipment, in particular to a positioning pin structure on a pressing fixture. Background Art

[0002] Press-fit fixture: In the field of electronic equipment, PCB board is one of the important components of electronic equipment. Almost every electronic equipment, from small electronic watches and calculators to large automobiles, communication electronic equipment, etc., as long as there are electronic components such as integrated circuits, in order to make the electrical interconnection between the various components, a printed circuit board must be used.

[0003] During the use of the pressing jig, a positioning pin structure is required, and the patent announcement number is CN208638797U, which discloses a positioning pin structure on a PCB board pressing jig, including a fixed support frame device, an adjustment positioning device is fixedly installed inside the upper end of the fixed support frame device, the adjustment positioning device includes a sliding connection groove, a sliding block, a first positioning column, a sliding support block, a plug-in fixing rod, a fixed socket and a fixed support plate, the sliding connection groove is arranged on the upper end surface of the fixed support plate, and the sliding block is slidably connected to the inside of the sliding connection groove. The positioning pin structure of the PCB board pressing jig has an insert rod on the lower end surface of the adjustment positioning device, which can effectively achieve stable connection and improve the stability of the device. The sliding block and the sliding support block are provided to play the role of sliding connection, which improves the sliding adjustment and use ability of the device. At the same time, a protective layer is installed on the outer end surface of the second positioning column, which can enhance the protection and use ability of the device.

[0004] The above-mentioned prior art solution has the following defects: it is fixed by means of threaded rotation, and the fixed round block has a circular shape. When the user holds it and rotates it, the fixed round block is easy to slide in the palm of the user, making the fixed round block unable to twist. When the fixed round block cannot be twisted, the components connected with it are disassembled, which reduces the convenience of using the positioning pin structure of the pressing fixture. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a positioning pin structure on a pressing jig, which has the advantage of convenient operation and solves the problem of fixing by threaded rotation. The fixed round block has a circular shape. When the user holds it and rotates it, the fixed round block is easy to slide in the palm of the user, making the fixed round block unable to twist. When the fixed round block cannot be twisted, the components connected with it are disassembled and assembled, reducing the problem of the convenience of use of the positioning pin structure of the pressing jig.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning pin structure on a pressing fixture, comprising a fixed support base, the four corners of the top of the fixed support base are fixedly connected to a positioning pin body, an adjustment positioning plate is sleeved on the top of the surface of the positioning pin body, the four corners of the top of the adjustment positioning plate are provided with mounting blocks, the bottom of the mounting block passes through the interior of the positioning pin body, both sides of the inner wall of the positioning pin body are provided with card grooves, a card pin is provided inside the card groove, the inner side of the card pin passes through the interior of the mounting block, and a control mechanism is provided inside the mounting block.

[0007] As a preferred embodiment of the utility model, a sliding rod is provided inside the control mechanism, the top of the sliding rod passes through the top of the mounting block, the top and bottom of the sliding rod surface are fixedly connected with conical columns, inclined blocks are provided on both sides of the conical columns, the outer side of the inclined block is fixedly connected with a push plate, the outer side of the push plate is fixedly connected to the inner side of the pin, the outer side of the push plate is fixedly connected with a spring, the surface of the spring is fixedly connected to the inner wall of the mounting block, the bottom of the sliding rod is fixedly connected with a tension spring, and the bottom of the tension spring is fixedly connected to the bottom of the inner wall of the mounting block.

[0008] As a preferred embodiment of the utility model, a guide block is fixedly connected to the outer side of the bayonet, and the guide block is located inside the bayonet slot.

[0009] As a preferred embodiment of the present invention, a stabilizing rod is provided at the top of the interior of the mounting block, and the push plate is slidably connected to the surface of the stabilizing rod.

[0010] As a preferred embodiment of the utility model, a stabilizing sleeve is sleeved on the surface of the stabilizing rod, and the surface of the stabilizing sleeve is fixedly connected to the inner side of the push plate.

[0011] As a preferred embodiment of the present invention, a pull ring is fixedly connected to the top of the slide rod, and the pull ring is located inside the mounting block.

[0012] As a preferred embodiment of the present invention, a filling pad is fixedly connected to the top of the surface of the mounting block, and the surface of the filling pad is in contact with the inner wall of the adjustment positioning plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model pulls the slide bar to move upward, and the slide bar drives the tapered column to move upward. The tapered column loses support for the inclined block, and the push plate and the bayonet are driven inward by the elastic force of the spring. The bayonet withdraws from the interior of the slot and moves the mounting block upward. The mounting block is separated from the locating pin body, and the locating pin body and the adjustment locating plate lose fixation. The utility model has the advantage of convenient operation. The locating pin structure is connected by buckling and pulling. The locating pin structure will not slip during operation, thereby improving the convenience of using the locating pin structure of the pressing fixture.

[0015] 2. The utility model can control the bayonet by providing a control mechanism, thereby preventing the bayonet from being out of control, which would result in the inability to cooperate between the mounting block and the locating pin body, and improving the use efficiency of the locating pin body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional cross-sectional view of the mounting block of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the sliding rod of the utility model.

[0019] In the figure: 1. Fixed support base; 2. Positioning pin body; 3. Adjustment positioning plate; 4. Mounting block; 5. Slot; 6. Pin; 7. Control mechanism; 71. Sliding rod; 72. Conical column; 73. Oblique block; 74. Push plate; 75. Spring; 76. Tension spring; 8. Guide block; 9. Stabilizing rod; 10. Stabilizing sleeve; 11. Pull ring; 12. Filling pad. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 3 As shown, the utility model provides a positioning pin structure on a pressing fixture, including a fixed support base 1, the four corners of the top of the fixed support base 1 are fixedly connected with a positioning pin body 2, the top of the surface of the positioning pin body 2 is sleeved with an adjustment positioning plate 3, the four corners of the top of the adjustment positioning plate 3 are provided with mounting blocks 4, the bottom of the mounting block 4 passes through the interior of the positioning pin body 2, both sides of the inner wall of the positioning pin body 2 are provided with card grooves 5, the interior of the card groove 5 is provided with a card pin 6, the inner side of the card pin 6 passes through the interior of the mounting block 4, and the interior of the mounting block 4 is provided with a control mechanism 7.

[0022] refer to Figure 3A sliding rod 71 is provided inside the control mechanism 7, and the top of the sliding rod 71 passes through the top of the mounting block 4. The top and bottom of the surface of the sliding rod 71 are fixedly connected with conical columns 72, and inclined blocks 73 are provided on both sides of the conical columns 72. The outer side of the inclined block 73 is fixedly connected with a push plate 74, and the outer side of the push plate 74 is fixedly connected to the inner side of the latch 6. The outer side of the push plate 74 is fixedly connected with a spring 75, and the surface of the spring 75 is fixedly connected to the inner wall of the mounting block 4. The bottom of the sliding rod 71 is fixedly connected with a tension spring 76, and the bottom of the tension spring 76 is fixedly connected to the bottom of the inner wall of the mounting block 4.

[0023] As a technical optimization solution of the utility model, by setting the control mechanism 7, the locking pin 6 can be controlled to avoid the locking pin 6 being unable to be controlled, resulting in the inability to cooperate between the mounting block 4 and the positioning pin body 2, thereby improving the use efficiency of the positioning pin body 2.

[0024] refer to Figure 3 The outer side of the latch pin 6 is fixedly connected with a guide block 8 , and the guide block 8 is located inside the latch slot 5 .

[0025] As a technical optimization solution of the utility model, by providing a guide block 8, the latch 6 can be guided to avoid the latch 6 being difficult to insert into the slot 5, thereby improving the plugging efficiency of the latch 6.

[0026] refer to Figure 2 A stabilizing rod 9 is provided at the top of the interior of the mounting block 4 , and the push plate 74 is slidably connected to the surface of the stabilizing rod 9 .

[0027] As a technical optimization solution of the utility model, by providing a stabilizing rod 9, the push plate 74 can be stabilized in sliding, thereby preventing the push plate 74 from shaking during the sliding movement, causing the push plate 74 to loosen, and improving the sliding stability of the push plate 74.

[0028] refer to Figure 2 A stabilizing sleeve 10 is sleeved on the surface of the stabilizing rod 9 , and a surface of the stabilizing sleeve 10 is fixedly connected to the inner side of the push plate 74 .

[0029] As a technical optimization solution of the utility model, by providing the stabilizing sleeve 10 , the sliding stability of the push plate 74 can be increased, the small contact area between the push plate 74 and the stabilizing rod 9 can be avoided, and the sliding stability of the push plate 74 is improved.

[0030] refer to Figure 3 A pull ring 11 is fixedly connected to the top of the slide rod 71 , and the pull ring 11 is located inside the mounting block 4 .

[0031] As a technical optimization solution of the utility model, by providing a pull ring 11, it is convenient for the user to pull the slide bar 71 to move, thereby preventing the slide bar 71 from being pinched during the movement, causing the slide bar 71 to be difficult to pull, thereby improving the control efficiency of the slide bar 71.

[0032] refer to Figure 2 A filling pad 12 is fixedly connected to the top of the surface of the mounting block 4 , and the surface of the filling pad 12 contacts the inner wall of the adjustment positioning plate 3 .

[0033] As a technical optimization solution of the utility model, by providing a filling pad 12, the gap between the mounting block 4 and the adjusting positioning plate 3 can be filled, thereby preventing dust from entering the adjusting positioning plate 3 and improving the sealing of the adjusting positioning plate 3.

[0034] The working principle and use process of the utility model: when in use, the figure shows the fixed support base 1 and the adjustable positioning plate 3, which are fixed in a fixed state through the cooperation of the positioning pin body 2 and the mounting block 4. When the fixed support base 1 and the adjustable positioning plate 3 need to be disassembled, the slide bar 71 is pulled to move upward, and the slide bar 71 drives the conical column 72 to move upward, and the conical column 72 loses support for the inclined block 73. The push plate 74 and the bayonet 6 are driven inward by the elastic force of the spring 75, and the bayonet 6 withdraws from the interior of the slot 5, and the mounting block 4 is moved upward. The mounting block 4 is separated from the positioning pin body 2, and the positioning pin body 2 and the adjustable positioning plate 3 lose fixation. When installing, the above-mentioned disassembly steps can be completed by reverse operation, thereby having the advantage of convenient operation.

[0035] To sum up: the locating pin structure on the pressing jig solves the problem of fixing by threaded rotation by using the fixed support base 1, the locating pin body 2, the adjustment locating plate 3, the mounting block 4, the slot 5, the pin 6 and the control mechanism 7. The fixed round block has a circular shape. When the user holds it and rotates it, the fixed round block can easily slide in the palm of the user, making it impossible to twist the fixed round block. When the fixed round block cannot be twisted, the components connected with it are disassembled, which reduces the problem of the convenience of using the locating pin structure of the pressing jig.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning pin structure on a pressing fixture, comprising a fixed support base (1), characterized in that: The four corners of the top of the fixed support base (1) are fixedly connected to a positioning pin body (2); an adjusting positioning plate (3) is sleeved on the top of the surface of the positioning pin body (2); the four corners of the top of the adjusting positioning plate (3) are provided with mounting blocks (4); the bottom of the mounting block (4) penetrates into the interior of the positioning pin body (2); both sides of the inner wall of the positioning pin body (2) are provided with a card slot (5); a card pin (6) is provided inside the card slot (5); the inner side of the card pin (6) penetrates into the interior of the mounting block (4); and a control mechanism (7) is provided inside the mounting block (4).

2. The positioning pin structure on the pressing fixture according to claim 1, characterized in that: A slide bar (71) is provided inside the control mechanism (7), the top of the slide bar (71) penetrates to the top of the mounting block (4), the top and bottom of the surface of the slide bar (71) are fixedly connected to conical columns (72), oblique blocks (73) are provided on both sides of the conical columns (72), the outer side of the oblique block (73) is fixedly connected to a push plate (74), the outer side of the push plate (74) is fixedly connected to the inner side of the latch (6), the outer side of the push plate (74) is fixedly connected to a spring (75), the surface of the spring (75) is fixedly connected to the inner wall of the mounting block (4), the bottom of the slide bar (71) is fixedly connected to a tension spring (76), and the bottom of the tension spring (76) is fixedly connected to the bottom of the inner wall of the mounting block (4).

3. The positioning pin structure on the pressing fixture according to claim 1, characterized in that: A guide block (8) is fixedly connected to the outer side of the latch pin (6), and the guide block (8) is located inside the latch slot (5).

4. The positioning pin structure on the pressing fixture according to claim 2, characterized in that: A stabilizing rod (9) is provided at the top of the interior of the mounting block (4), and the push plate (74) is slidably connected to the surface of the stabilizing rod (9).

5. The positioning pin structure on the pressing fixture according to claim 4, characterized in that: The surface of the stabilizing rod (9) is sleeved with a stabilizing sleeve (10), and the surface of the stabilizing sleeve (10) is fixedly connected to the inner side of the push plate (74).

6. The positioning pin structure on the pressing fixture according to claim 2, characterized in that: A pull ring (11) is fixedly connected to the top of the sliding rod (71), and the pull ring (11) is located inside the mounting block (4).

7. The positioning pin structure on the pressing fixture according to claim 1, characterized in that: A filling pad (12) is fixedly connected to the top of the surface of the mounting block (4), and the surface of the filling pad (12) is in contact with the inner wall of the adjustment positioning plate (3).

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