CN111318997A - SMP press-fit connector assembling tool - Google Patents
SMP press-fit connector assembling tool Download PDFInfo
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- CN111318997A CN111318997A CN202010083681.8A CN202010083681A CN111318997A CN 111318997 A CN111318997 A CN 111318997A CN 202010083681 A CN202010083681 A CN 202010083681A CN 111318997 A CN111318997 A CN 111318997A
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- press
- smp
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- fit connector
- sliding sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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Abstract
The invention discloses an SMP press-fit connector assembling tool, which relates to the field of SMP press-fit connectors and comprises a press-fit head, wherein one end of the press-fit head is provided with a hole, the hole can be a through hole or a blind hole, the size of the hole is determined according to the diameter of the SMP press-fit connector and the diameter of a flange of the SMP press-fit connector, the press-fit head can just clamp the flange of the SMP press-fit connector, the hole is assembled with a wiring end of the press-fit connector in a clearance fit mode and is in interference fit with the flange of the press-fit connector, the press-fit head is provided with a notch, and a flexible radio frequency cable connected with the SMP press-fit connector can be gradually bent and abducted along the notch of. The SMP press-fit connector is fixed through the press-fit head, the cable connected with the SMP press-fit connector is fixed, pressure is applied in a static pressure mode, the SMP press-fit connector is quickly pressed into a round hole of the mounting plate, and the quality and the efficiency of assembly are improved compared with the traditional mode.
Description
Technical Field
The invention relates to the field of SMP press-fit connectors, in particular to an assembling tool for an SMP press-fit connector.
Background
At present, an SMP press-fit connector is assembled without a special tool, the existing assembling method is that pliers or tweezers apply pressure to an SMP press-fit connector flange to press the connector into a mounting round hole on a mounting plate, so that the uniform stress of the connector flange cannot be ensured, and meanwhile, under the condition of no tool positioning, axial force is difficult to apply to press the SMP press-fit connector into the mounting hole. In the assembling process, the connector flange is easy to damage, so that the assembling of the SMP press-fit connector is difficult, the assembling quality is poor, the assembling efficiency is low, in the field of electronic equipment, the assembling quality requirement on the SMP press-fit connector is high, the connector flange is easy to damage through the assembling mode of applying pressure to the SMP press-fit connector flange by the existing assembling tool, and the assembling precision and quality requirement are difficult to achieve.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: under the condition that an SMP press-fit connector flange is too narrow and cannot be pressed into a mounting plate round hole by applying axial force through a conventional tool, the SMP press-fit connector assembling tool is designed to ensure the quality and the efficiency of the SMP press-fit connector assembling while the SMP press-fit connector is quickly pressed into the mounting plate round hole.
In order to achieve the purpose, the tool for assembling the SMP press-fit connector comprises a press-fit head, wherein one end of the press-fit head is provided with a hole, the hole can be a through hole or a blind hole, the size of the hole is determined according to the diameter of the SMP press-fit connector and the diameter of a flange of the SMP press-fit connector, the press-fit head can just clamp the flange of the SMP press-fit connector, the hole is assembled with a wiring end of the press-fit connector in a clearance fit mode and is in interference fit with the flange of the press-fit connector, the press-fit head is provided with a notch, and a flexible radio frequency cable connected with the SMP press-fit connector can be gradually bent and moved along the notch of the press-fit head for moving. The SMP press-fit connector is fixed through the press-fit head, the cable connected with the SMP press-fit connector is fixed, pressure is applied in a static pressure mode, the SMP press-fit connector is quickly pressed into a round hole of the mounting plate, and the quality and the efficiency of assembly are improved compared with the traditional mode.
Furthermore, the press-fit device further comprises a fixed rod and a sliding sleeve, the press-fit head is detachably assembled with one end of the fixed rod through a fixed screw, the sliding sleeve is sleeved at the other end of the fixed rod, a protection mechanism is arranged in the sliding sleeve, and the sliding sleeve can slide along the axial direction of the fixed rod. Make the device can the controlled pressure size, avoid pressure too big messenger SMP to press to join in marriage the connector and take place to damage, simultaneously, through the one end demountable assembly of press fitting head and dead lever for it is more convenient to change the specialized tool for the assembly of press fitting head, and application scope is wider.
Furthermore, in order to more conveniently apply axial force to the SMP press-fit connector so that the SMP press-fit connector can be smoothly pressed into the round hole of the mounting plate, the tool also comprises a cross rod which is fixedly assembled at the opposite end of the sliding sleeve sleeved with the fixed rod.
Furthermore, in order to reduce the weight of the cross rod, the cross rod is made of aluminum alloy materials.
Furthermore, one end of the protection mechanism is movably assembled with the sliding sleeve through a limiting screw, the other end of the protection mechanism is clamped with the sliding sleeve, and when the radial force applied to the protection mechanism is large enough, the protection mechanism contracts to enable the protection mechanism to be separated from the clamping connection with the sliding sleeve. Through calculation, the pressure value provided by the SMP press-fit tool can be controlled, and the SMP press-fit connector flange is guaranteed not to be too large in stress and can be pressed into the mounting plate.
Furthermore, protection mechanism includes slide bar, slip kicking block and first spring, the slide bar with the assembly of slip kicking block through clearance fit's mode, first spring cup joints the peripheral face of slide bar and slip kicking block, and according to the required assembly force of SMP press-fit connector, the elasticity that first spring needs to provide when the slip kicking block removes is calculated through the decomposition of power.
Furthermore, the device also comprises a recovery mechanism which is used for recovering the clamping state of the protection mechanism and the sliding sleeve, is assembled between the sliding sleeve and the fixed rod and comprises an assembly cushion block and a second spring, wherein one end of the second spring is in contact with the sliding sleeve, and the other end of the second spring is in contact with the end face of the fixed rod through the cushion block. The SMP press-fit connector can be quickly disassembled from a tool, the consistency and stability of the SMP press-fit connector in the assembling process are ensured, and the assembling quality and efficiency are ensured.
Furthermore, in order to improve the wear resistance and prolong the service life of the press-fit head, the press-fit head is made of CrWMn which is obtained by quenching after processing.
By adopting the technical scheme, the invention has the beneficial effects that: the utility model provides a to dedicated erecting tool of SMP press-fit connector, this erecting tool designs according to SMP press-fit connector size, in the pressure-fit process, can match the connector flange completely, and press the pressure value that the frock provided through calculation control SMP press-fit, in order to guarantee that SMP press-fit connector flange atress is unlikely too big and can be impressed the mounting panel, SMP press-fit connector can be fast from the instrument dismouting simultaneously, in order to guarantee SMP press-fit connector uniformity and stability in the assembling process, thereby guarantee assembly quality and efficiency.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of an SMP press-fit connector assembly tool of the present invention;
FIG. 2 is a partial cross-sectional view of an SMP press-fit connector assembly tool of the present invention;
FIG. 3 is a schematic view of a press-fit head configuration;
FIG. 4 is a schematic view of a set screw;
figure 5 is a schematic view of a fixation rod cut-away 1/4;
FIG. 6 is a schematic view of a sliding sleeve cut-away 1/2;
FIG. 7 is a schematic view of the cross bar;
FIG. 8 is a schematic view of a slide bar cut-away 1/4;
FIG. 9 is a schematic view of a sliding top piece in section 1/4;
FIG. 10 is a schematic view of a spacer;
FIG. 11 is a schematic view of the assembly of an SMP press fit connector with a flexible radio frequency cable;
FIG. 12 is a schematic diagram of an SMP press fit connector assembly tool implementation;
FIG. 13 is a schematic diagram of the internal structure of an SMP press-fit connector assembly tool under normal force;
FIG. 14 is a schematic view of the internal structure of an SMP press-fit connector assembly tool under excessive force;
the drawings are labeled as follows:
the device comprises a press fit head-1, a fixing screw-2, a fixing rod-3, a sliding sleeve-4, a cross rod-5, a sliding rod-6, a limiting screw-7, a sliding top block-8, a cushion block-9, a first spring-10, a second spring-11, a flexible radio frequency cable-12 and an SMP press fit connector-13.
Detailed Description
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example 1
The tool for assembling the SMP press-fit connector comprises a press-fit head, wherein one end of the press-fit head is provided with a hole, the hole can be a through hole or a blind hole, the size of the hole is determined according to the diameter of the SMP press-fit connector and the diameter of a flange of the press-fit connector, the SMP press-fit connector 13 is structurally shown in figure 11, one end of the SMP press-fit connector is connected with a flexible radio frequency cable 12 through the flange, the press-fit head 1 can just clamp the flange of the SMP press-fit connector, the hole is assembled with a wiring end of the SMP press-fit connector 13 in a clearance fit mode and is in interference fit with the flange of the press-fit connector, and as shown in figure 3, the press-fit head 1 is provided with a notch, so that the flexible radio frequency cable 12 connected with the SMP. The SMP press-fit connector 13 and the cable connected with the same are fixed through the press-fit head 1, pressure is applied in a static pressure mode, so that the SMP press-fit connector 13 is quickly pressed into a round hole of the mounting plate, and the quality and the efficiency of assembly are improved compared with the traditional mode.
The detachable SMP press-fit head 1 is made of CrWMn, quenching treatment is carried out after machining, the hardness can reach HRC55-58, the wear resistance of the press-fit head can be effectively improved, the press-fit head can be frequently contacted with the SMP press-fit connector and provide pressure, the service life is long, and the press-fit head is not easy to damage. For different sizes of SMP press-fit connectors, SMP press-fit heads can be machined to match the SMP press-fit connectors.
Example 2
On the basis of embodiment 1, in order to enable the device to control the amount of pressure, to avoid damage to the SMP press-fit connector 13 caused by excessive pressure, the tool also comprises a fixed rod 3 and a sliding sleeve 4, the structure of the sliding sleeve 4 is shown in figure 6, a notch is arranged along the axial direction of the sliding sleeve for the sliding top block and the limiting screw to move, fig. 4 is a schematic structural view of the fixing screw 2 in the present embodiment, fig. 5 is a schematic structural view of the fixing rod 3, a through hole for the fixing screw 2 to pass through is arranged on the press-fit head 1, the press-fit head is detachably assembled with one end of the fixing rod 3 through the fixing screw 2, the press-fit head 1 and one end of the fixed rod 3 are detachably assembled, so that the special tool for assembly for replacing the press-fit head is more convenient, the application range is wider, the sliding sleeve 4 is sleeved at the other end of the fixed rod 3, is internally provided with a protection mechanism and can slide along the axial direction of the fixed rod 3. The fixing screw 2, the fixing rod 3, the sliding sleeve 4, the cushion block 9, the sliding rod 6 and the sliding top block 8 do not need to be replaced, the fixing screw can be used for a long time, and stainless steel materials are selected for use in order to guarantee the service life of the fixing screw.
Furthermore, in order to more conveniently apply axial force to the SMP press-fit connector so that the SMP press-fit connector can be smoothly pressed into the circular hole of the mounting plate, the tool further comprises a cross rod 5, the structure of which is shown in fig. 7, wherein the cross rod 5 is fixedly assembled at the opposite end of the sliding sleeve sleeved on the fixed rod. The aluminum alloy material is selected for the cross rod from the aspects of weight reduction and strength.
As shown in fig. 2, one end of the protection mechanism is movably assembled with the sliding sleeve 4 through a limit screw 7, and the other end of the protection mechanism is clamped with the sliding sleeve 4, and when the radial force applied to the protection mechanism is large enough, the protection mechanism contracts to enable the protection mechanism to be separated from the clamping with the sliding sleeve 4. Through calculation, the pressure value provided by the SMP press-fit tool can be controlled, and the SMP press-fit connector flange is guaranteed not to be too large in stress and can be pressed into the mounting plate. As shown in fig. 2, the protection mechanism includes a sliding rod 6, a sliding top block 8 and a first spring 10, the sliding rod 6 and the sliding top block 8 are assembled in a clearance fit manner, the first spring 10 is sleeved on the outer circumferential surfaces of the sliding rod 6 and the sliding top block 8, and the connector is assembled according to the requirement of SMP press-fitAnd force, namely calculating the elastic force required to be provided by the first spring 10 when the sliding top block 8 moves through force resolution. Wherein, the first spring material is 65Mn, and the elasticity is stabilized by tempering treatment after processing. The first spring 10 is arranged in the fixed rod 3 and is mainly used for limiting the pressure provided by a tool, and according to the assembling force F required by the SMP press-fit connector 13, the elastic force F required to be provided by the first spring 10 when the sliding top block 8 moves can be calculated through force decomposition1According to the formula F of the elastic force of the first spring1＝K1X1(K1Is a first spring stiffness coefficient, X1The first spring deflection), the stiffness coefficient K of the first spring can be obtained1＝F1/X1。
As shown in fig. 1, which is a schematic view of an assembly tool of embodiment 2, the assembly tool includes a detachable SMP press-fit head 1, a fixing screw 2, a fixing rod 3, a sliding sleeve 4, and a cross rod 5, where the detachable SMP press-fit head 1 is sleeved with the fixing rod 3 and fixed by the fixing screw 2, the fixing rod 3 is sleeved with the sliding sleeve 4, and the sliding sleeve 4 is fixedly connected to the cross rod 5.
Example 3
On the basis of embodiment 2, the tool further comprises a restoring mechanism for restoring the clamping state of the protection mechanism and the sliding sleeve 4, as shown in fig. 2, the restoring mechanism comprises an assembling cushion block 9 and a second spring 11 which are assembled between the sliding sleeve 4 and the fixed rod 3, one end of the second spring 11 is in contact with the sliding sleeve 4, and the other end of the second spring is in contact with the end face of the fixed rod 3 through the cushion block 9. So as to ensure that the SMP press-fit connector 13 can be quickly disassembled from the tool, and ensure the consistency and stability of the SMP press-fit connector in the assembling process, thereby ensuring the assembling quality and efficiency.
The assembling mode is that the detachable SMP press-fit head 1 is assembled on the fixed rod 3 through the fixed screw 2, the sliding rod 6 and the sliding top block 8 are assembled in the fixed rod 3 together with the first spring 10, the sliding rod 6 is shown in figure 8, the sliding top block 8 is shown in figure 9, then the cushion block 9 and the second spring 11 are placed on the upper end face of the fixed rod 3, the cushion block 9 is shown in figure 10, sleeved in the sliding sleeve 4, screwed in the limit screw 7, and finally the cross rod 5 is fixed on the sliding sleeve 4 through the screw. The fixing rod 3, the sliding sleeve 4, the cushion block 9, the sliding rod 6, the sliding top block 8, the first spring 10 and the second spring 11 are integrally used as a protection mechanism, so that an upper limit of force provided by an assembling tool is ensured, and the SMP press-fit connector cannot be damaged due to excessive force.
Wherein, the second spring material is 65Mn, the second spring 11 is arranged above the fixed rod and is mainly used for the restoration of the protection mechanism, and the stiffness coefficient K of the second spring can be calculated through the force F2 required by the restoration of the protection mechanism2＝F2/X2. Suitable springs can be customized according to the stiffness coefficient influencing factor formula (formula 1).
In the formula, G is the stiffness modulus of the wire, d is the wire diameter, Dm is the middle warp of the spring, N is the total number of turns, Nc is the effective number of turns which is N-2.
The implementation of the tool for assembling the SMP press-fit connectors of this embodiment is as shown in fig. 12, and when the tool for assembling the SMP press-fit connectors 13 is used for assembling, the following steps are performed:
step 1: the cable assembly composed of the SMP press-fit connector 13 and the flexible radio frequency cable 12 is installed in a detachable SMP press-fit head 1 of an assembling tool as shown in FIG. 11, the detachable SMP press-fit head 1 can just clamp an SMP press-fit connector flange, and simultaneously the flexible radio frequency cable 12 can gradually bend and give way along a press-fit head groove, at the moment, the internal structure of the SMP press-fit connector assembling tool is shown in FIG. 13, and the first spring 10 and the second spring 11 are in an initial state.
Step 2: when the SMP press-fit connector 13 is pressed into the mounting hole by force, the sliding top block 8 slides leftwards along with the increase of the assembling pressure, the first spring 10 is compressed, the sliding sleeve 4 slides downwards, the second spring 11 is compressed, and when the preset assembling pressure is reached, the internal structure of the SMP press-fit connector assembling tool is changed from the state in figure 13 to the state in figure 14, so that the sudden pressure reduction can be obviously felt, and the effect of force removal is achieved.
And step 3: after the completion of the assembling of the SMP press-fit connector, the SMP press-fit connector assembling tool is taken down, the second spring 11 is restored, and the whole structure is driven to be restored to the state shown in figure 13.
The assembling tool can fundamentally solve the problem of difficult assembling of the SMP press-fit connector, not only can ensure the assembling quality of the connector, but also can improve the assembling efficiency, and can realize the assembling consistency and stability of the SMP press-fit connector.
While the foregoing description shows and describes a preferred embodiment of the invention, it is to be understood, as noted above, that the invention is not limited to the form disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and may be modified within the scope of the inventive concept described herein by the above teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. An SMP press-fit connector assembly tool, comprising: including the pressure joint, the one end of pressure joint is equipped with the hole, the hole is through clearance fit and the wiring end assembly of pressing the connector to with the flange interference fit who presses the connector, press and be equipped with the breach on joining in marriage the joint for let the position press the cable of joining in marriage the connector.
2. The SMP press-fit connector assembly tool of claim 1, wherein: still include dead lever and slip sleeve, the press fit head pass through set screw with the one end demountable assembly of dead lever, slip sleeve cup joints the other end of dead lever, is equipped with protection mechanism in it to can follow the endwise slip of dead lever.
3. The SMP press-fit connector assembly tool of claim 2, wherein: the fixing rod is fixedly assembled on the sliding sleeve, and the sliding sleeve is sleeved with the opposite end of the fixing rod.
4. The SMP press-fit connector assembly tool of claim 3, wherein: the cross rod is made of aluminum alloy material.
5. The SMP press-fit connector assembly tool of claim 2, wherein: one end of the protection mechanism is movably assembled with the sliding sleeve through a limiting screw, the other end of the protection mechanism is clamped with the sliding sleeve, and when the radial force applied to the protection mechanism is large enough, the protection mechanism contracts to enable the protection mechanism to be separated from the clamping connection with the sliding sleeve.
6. The SMP press-fit connector assembly tool of claim 5, wherein: the protection mechanism comprises a sliding rod, a sliding ejector block and a first spring, the sliding rod and the sliding ejector block are assembled in a clearance fit mode, and the first spring is sleeved on the outer peripheral surfaces of the sliding rod and the sliding ejector block.
7. The SMP press-fit connector assembly tool of claim 5, wherein: the device is characterized by further comprising a recovery mechanism, wherein the recovery mechanism is used for recovering the clamping state of the protection mechanism and the sliding sleeve, the recovery mechanism is assembled between the sliding sleeve and the fixed rod and comprises an assembling cushion block and a second spring, one end of the second spring is in contact with the sliding sleeve, and the other end of the second spring is in contact with the end face of the fixed rod through the cushion block.
8. The SMP press-fit connector assembly tool of claim 1, wherein: the material of the press fit head is CrWMn obtained by quenching after processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083681.8A CN111318997B (en) | 2020-02-10 | 2020-02-10 | SMP press-fit connector assembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083681.8A CN111318997B (en) | 2020-02-10 | 2020-02-10 | SMP press-fit connector assembling tool |
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| CN111318997A true CN111318997A (en) | 2020-06-23 |
| CN111318997B CN111318997B (en) | 2021-10-15 |
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| CN202010083681.8A Active CN111318997B (en) | 2020-02-10 | 2020-02-10 | SMP press-fit connector assembling tool |
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| US2907241A (en) * | 1957-07-09 | 1959-10-06 | Burndy Corp | Axial impact tool for inserting a pin connector into a socket |
| US2960864A (en) * | 1956-04-26 | 1960-11-22 | Amp Inc | Insertion tool |
| US3010193A (en) * | 1959-02-17 | 1961-11-28 | Burroughs Corp | Assembly tool |
| US3279044A (en) * | 1964-12-14 | 1966-10-18 | Max E Roper | Tip for insertion tool |
| DE4104622A1 (en) * | 1990-02-17 | 1991-08-22 | Guenter Hackerodt | IC engine spark plug fitting socket - has socket sleeve with hooks at ends of axial slots engaging spark plug projections |
| JP2000100543A (en) * | 1998-09-24 | 2000-04-07 | Daiichi Denshi Kogyo Kk | Connector pressing-in tool |
| JP2010274892A (en) * | 2009-06-01 | 2010-12-09 | Toyota Motor Corp | Steering device for vehicle |
| DE102014007526A1 (en) * | 2014-05-23 | 2015-11-26 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Mounting device for an electrical connector |
| CN106122413A (en) * | 2016-08-31 | 2016-11-16 | 无锡凯绎科技有限公司 | Two-way overload protective actuating device |
| CN205901052U (en) * | 2016-08-16 | 2017-01-18 | 陕西华达科技股份有限公司 | Receipts riveter dress is joined in marriage to BNC type radio frequency coaxial connector's pressure |
| CN110137766A (en) * | 2019-04-30 | 2019-08-16 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | SMP radio frequency (RF) coaxial connector dismantling device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960864A (en) * | 1956-04-26 | 1960-11-22 | Amp Inc | Insertion tool |
| US2907241A (en) * | 1957-07-09 | 1959-10-06 | Burndy Corp | Axial impact tool for inserting a pin connector into a socket |
| US3010193A (en) * | 1959-02-17 | 1961-11-28 | Burroughs Corp | Assembly tool |
| US3279044A (en) * | 1964-12-14 | 1966-10-18 | Max E Roper | Tip for insertion tool |
| DE4104622A1 (en) * | 1990-02-17 | 1991-08-22 | Guenter Hackerodt | IC engine spark plug fitting socket - has socket sleeve with hooks at ends of axial slots engaging spark plug projections |
| JP2000100543A (en) * | 1998-09-24 | 2000-04-07 | Daiichi Denshi Kogyo Kk | Connector pressing-in tool |
| JP2010274892A (en) * | 2009-06-01 | 2010-12-09 | Toyota Motor Corp | Steering device for vehicle |
| DE102014007526A1 (en) * | 2014-05-23 | 2015-11-26 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Mounting device for an electrical connector |
| CN205901052U (en) * | 2016-08-16 | 2017-01-18 | 陕西华达科技股份有限公司 | Receipts riveter dress is joined in marriage to BNC type radio frequency coaxial connector's pressure |
| CN106122413A (en) * | 2016-08-31 | 2016-11-16 | 无锡凯绎科技有限公司 | Two-way overload protective actuating device |
| CN110137766A (en) * | 2019-04-30 | 2019-08-16 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | SMP radio frequency (RF) coaxial connector dismantling device |
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| CN111318997B (en) | 2021-10-15 |
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