CN108650842B - Pulling aid and board clamping device - Google Patents
Pulling aid and board clamping device Download PDFInfo
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- CN108650842B CN108650842B CN201810762347.8A CN201810762347A CN108650842B CN 108650842 B CN108650842 B CN 108650842B CN 201810762347 A CN201810762347 A CN 201810762347A CN 108650842 B CN108650842 B CN 108650842B
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- groove
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- outer core
- matching groove
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
- H05K7/1409—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by lever-type mechanisms
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- Microelectronics & Electronic Packaging (AREA)
- Golf Clubs (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention belongs to the technical field of communication equipment and discloses a pulling aid and a board card device, wherein the pulling aid comprises a base and a wrench, the base is provided with a spherical groove and a sliding groove, the wrench comprises an adapter and a handle, the handle is connected with the adapter, the adapter comprises a club body, the club body is matched with the spherical groove, the handle rotates along the sliding groove along with the adapter between the horizontal direction and the vertical direction, and the handle can rotate along with the club body; the board card device comprises a board card, a circuit board and a pull-out aid; the base of the pulling aid is fixedly connected with the board card, and the circuit board is fixedly installed on the board card. The invention solves the problem that the pull-out aid has higher space occupation ratio to the front panel of the board card in the prior art.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a pulling aid and a board card device.
Background
The communication equipment comprises an equipment case and a board card, wherein the board card is inserted into the equipment case, and in order to facilitate the board card to be pulled out from the equipment case, a pulling aid is arranged on a front panel of the board card so as to facilitate the operation of the board card.
With the development of the central device technology, the data exchange rate and the port density of communication data are higher and higher, and therefore, the space requirement for the front panel of the board card is also higher and higher. However, the handle of the existing pulling aid is generally parallel to the front panel of the board card, and such a structure will cause many influences on the wiring of devices on the front panel of the board card, and even cause that part of external wires cannot be plugged, so that it is very important to reduce the space occupancy of the pulling aid to the front panel of the board card.
Disclosure of Invention
The embodiment of the application provides the pull-out assisting device and the board card device, and solves the problem that the space occupation rate of the pull-out assisting device to a board card front panel is high in the prior art.
The embodiment of the application provides a pull-out aid, includes: a base, a wrench; the base is provided with a spherical groove and a sliding groove; the spanner includes adaptor, handle, the handle with the adaptor is connected, the adaptor includes the bat body, the bat body with spherical groove matches, the handle is followed the adaptor is followed the sliding tray rotates between horizontal direction and vertical direction, the handle can be followed bat body rotation.
Preferably, the base includes: a base and a cover plate;
the base comprises an upper end part and a lower end part; the upper end part is a bayonet and is provided with a mounting hole; a first hemispherical groove is formed in the center of the lower end part, a first half outer core matching groove and a first half inner core matching groove are formed in the horizontal direction of the center of the first hemispherical groove, a second half outer core matching groove and a second half inner core matching groove are formed in the vertical direction of the center of the first hemispherical groove, and a first half transition groove is formed between the first half outer core matching groove and the second half outer core matching groove;
a second hemispherical groove is formed in the center of the cover plate, a third half outer core matching groove and a third half inner core matching groove are formed in the horizontal direction of the center of the second hemispherical groove, a fourth half outer core matching groove and a fourth half inner core matching groove are formed in the vertical direction of the center of the second hemispherical groove, and a second half transition groove is formed between the third half outer core matching groove and the fourth half outer core matching groove;
the first hemispherical groove and the second hemispherical groove constitute the spherical groove, the first half outer core matching groove and the third half outer core matching groove constitute a first outer core matching groove, the second half outer core matching groove and the fourth half outer core matching groove constitute a second outer core matching groove, the first half inner core matching groove and the third half inner core matching groove constitute a first inner core matching groove, the second half inner core matching groove and the fourth half inner core matching groove constitute a second inner core matching groove, and the first half transition groove and the second half transition groove constitute a first transition groove; the first outer core matching groove, the second outer core matching groove and the first transition groove form the sliding groove.
Preferably, the lower end part of the base is provided with a threaded hole site, the cover plate is provided with a countersunk hole site, and the countersunk hole site corresponds to the threaded hole site; and a countersunk head screw penetrates through the countersunk head hole site and the thread hole site to connect the base and the cover plate.
Preferably, the adaptor further comprises: the outer core, the spring, the sliding block, the connecting piece and the inner core;
the upper end part of the outer core is matched with the first outer core matching groove and the second outer core matching groove, the lower end part of the outer core is connected with the connecting piece through a first pin, and the connecting piece is connected with the handle through a second pin;
the spring is arranged between the club body and the outer core;
the club body is provided with a first through hole, the inner core penetrates through the first through hole of the club body, the upper end of the inner core is matched with the first inner core matching groove and the second inner core matching groove, and the lower end of the inner core is connected with the connecting piece;
the slider is in press fit with one end of the club body, and the slider is in clearance fit with the outer core.
Preferably, the upper part of the club body is a spheroid, the spheroid is in clearance fit with the spherical groove, and the lower part of the club body is a cylindrical body;
the upper end part of the outer core is provided with a second through hole, the columnar body of the ball rod body is in clearance fit with the second through hole, the lower end part of the outer core is provided with a third through hole, and the columnar body of the ball rod body enters the third through hole through the second through hole;
the spring is arranged between the cylindrical body of the ball rod body and the third through hole of the outer core;
the sliding block is a cylindrical body, the outer diameter of the sliding block is matched with the third through hole of the outer core, and the sliding block is in clearance fit with the third through hole; the slider is provided with a fourth through hole, the fourth through hole is matched with the outer diameter of the columnar body of the club body, and the columnar body of the club body is in press fit with the fourth through hole.
Preferably, the connecting piece is a cylindrical body, one end of the connecting piece is provided with a first inner hole, the first inner hole is matched with the outer diameter of the lower end part of the outer core, the first inner hole is provided with a first connecting hole, the lower end part of the outer core is provided with a second connecting hole, and the first pin is inserted into the first connecting hole and the second connecting hole to connect the connecting piece and the outer core; a second inner hole is formed in the other end of the connecting piece and matched with the outer diameter of the upper end of the handle, a third connecting hole is formed in the second inner hole, a fourth connecting hole is formed in the upper end of the handle, and a second pin is inserted into the third connecting hole and the fourth connecting hole to connect the connecting piece and the handle; an inner core fixing hole is formed in the middle of the connecting piece, the lower end of the inner core is matched with the inner core fixing hole, and the inner core enters the first through hole of the club body through the inner core fixing hole.
Preferably, the handle is an L-shaped rod body.
On the other hand, the application adopts the pull-out aid, and provides a board card device which comprises a board card, a circuit board and a pull-out aid; the base of the pulling aid is fixedly connected with the board card, and the circuit board is fixedly installed on the board card.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the extraction aid that provides in this application embodiment includes base, spanner, and the base is formed with globular groove, sliding tray, and the spanner includes adaptor, handle, and the handle is connected with the adaptor, and the adaptor includes the club body, and the club body of spanner matches with the globular groove of base, and the club body can the free rotation in globular groove, and the handle can be followed the sliding tray of base along the adaptor and rotated between horizontal direction and vertical direction, and the handle can be followed club body rotation. Therefore, the handle can be in the horizontal direction or the vertical direction according to the use condition, the occupied space of the device wiring of the board card front panel can be effectively avoided, and the technical effect that the device layout of the board card front panel is not influenced is achieved. The pulling aid is simple and reliable in structure, capable of utilizing the structural space to the maximum degree, low in requirement on the space structure and beneficial to design of high-density products.
Drawings
In order to more clearly illustrate the technical solution in the present embodiment, the drawings needed to be used in the description of the embodiment will be briefly introduced below, and it is obvious that the drawings in the following description are one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a board device when a wrench of a pull-out aid is in a transverse position according to an embodiment of the present invention;
fig. 2 is a schematic overall structural diagram of a board device when a wrench of an extraction aid is in a vertical position according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of a base in an extraction aid according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a cover plate in an extraction aid according to an embodiment of the present invention;
FIG. 5 is a schematic exploded view of a wrench in an extraction aid according to an embodiment of the present invention;
FIG. 6 is a schematic view of a wrench assembly of the pull-out aid according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a wrench of an extraction aid in a transverse position according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a wrench in a pull-out aid according to an embodiment of the present invention in a horizontal position;
FIG. 9 is a cross-sectional view of a wrench of an extraction aid in a vertical position according to an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a wrench in a pull-out aid according to an embodiment of the present invention in a vertical position;
FIG. 11 is a cross-sectional view of a wrench of an extraction aid according to an embodiment of the present invention during rotation;
FIG. 12 is a schematic structural view of a wrench in a pull-out aid according to an embodiment of the present invention during rotation;
wherein, 1-base, 2-spanner, 3-plate card, 4-circuit board;
11-base, 12 cover plate;
21-a club body, 22-an outer core, 23-a spring, 24-a sliding block, 25-a connecting piece, 26-an inner core, 27-a handle, 28-a first pin and 29-a second pin;
111-a first hemispherical groove, 112-a first half outer core matching groove, 113-a first half inner core matching groove, 114-a second half outer core matching groove, 115-a second half inner core matching groove, 116-a first transition groove;
121-a second hemispherical groove, 122-a third half outer core matching groove, 123-a third half inner core matching groove, 124-a fourth half outer core matching groove, 125-a fourth half inner core matching groove, and 126-a second transition groove.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
The embodiment of the invention provides a pulling aid, which comprises: a base, a wrench; the base is provided with a spherical groove and a sliding groove; the spanner includes adaptor, handle, the handle with the adaptor is connected, the adaptor includes the bat body, the bat body with spherical groove matches, the handle is followed the adaptor is followed the sliding tray rotates between horizontal direction and vertical direction, the handle can be followed bat body rotation.
And fixedly connecting the base of the pulling aid with a board card, and fixedly mounting a circuit board on the board card to form a board card device.
The handle is located in the same plane along with the adaptor along the horizontal direction and the vertical direction in the rotation of the sliding groove between the horizontal direction and the vertical direction, and specifically, the plane is perpendicular to the front panel of the board card. The horizontal direction can be understood as a position where the handle is parallel to the front panel of the board card, and the vertical direction can be understood as a position where the handle is rotated clockwise by 90 degrees in the horizontal direction.
Therefore, the handle of the pull-out aid can be in the horizontal direction or the vertical direction according to the using condition, so that the occupied space of the device wiring of the front panel of the board card can be effectively avoided, and the technical effect of not influencing the device layout of the front panel of the board card is achieved, as shown in fig. 1 and fig. 2.
As shown in fig. 7-12, the base 1 is mainly composed of a base 11 and a cover 12. The base 11 is structured as shown in fig. 3, and the base 11 includes an upper end portion and a lower end portion; the upper end part is a bayonet and is provided with a mounting hole; a first hemispherical groove 111 is formed in the center of the lower end, a first half outer core matching groove 112 and a first half inner core matching groove 113 are formed in the horizontal direction of the center of the first hemispherical groove 111, a second half outer core matching groove 114 and a second half inner core matching groove 115 are formed in the vertical direction of the center of the first hemispherical groove 111, and a first half transition groove 116 is formed between the first half outer core matching groove 112 and the second half outer core matching groove 114.
The structure of the cover plate 12 is as shown in fig. 4, a second hemispherical groove 121 is arranged at the center of the cover plate 12, a third half outer core matching groove 122 and a third half inner core matching groove 123 are arranged along the horizontal direction of the center of the second hemispherical groove 121, a fourth half outer core matching groove 124 and a fourth half inner core matching groove 125 are arranged along the vertical direction of the center of the second hemispherical groove 121, and a second half transition groove 126 is arranged between the third half outer core matching groove 122 and the fourth half outer core matching groove 124.
The first hemispherical groove 111 and the second hemispherical groove 121 constitute the spherical groove, the first half outer core matching groove 112 and the third half outer core matching groove 122 constitute a first outer core matching groove, the second half outer core matching groove 114 and the fourth half outer core matching groove 124 constitute a second outer core matching groove, the first half inner core matching groove 113 and the third half inner core matching groove 123 constitute a first inner core matching groove, the second half inner core matching groove 115 and the fourth half inner core matching groove 125 constitute a second inner core matching groove, and the first half transition groove 116 and the second half transition groove 126 constitute a first transition groove; the first outer core matching groove, the second outer core matching groove and the first transition groove form the sliding groove.
As shown in fig. 3 and 4, the lower end of the base 11 is provided with a threaded hole site, and the cover plate 12 is provided with a countersunk hole site corresponding to the threaded hole site; and a countersunk head screw penetrates through the countersunk head hole position and the threaded hole position to connect the base 11 and the cover plate 12.
As shown in fig. 5-7, 9 and 11, the wrench 2 includes a club body 21, an outer core 22, a spring 23, a slider 24, a connecting member 25, an inner core 26 and a handle 27.
The club body 21 is matched with the spherical groove, the upper end of the outer core 22 is matched with the first outer core matching groove and the second outer core matching groove, the lower end of the outer core 22 is connected with the connecting piece 25 through a first pin 28, and the connecting piece 25 is connected with the handle 27 through a second pin 29. The spring 23 is provided between the club body 21 and the outer core 22. The club body 21 is provided with a first through hole, the inner core 26 passes through the first through hole of the club body 21, the upper end of the inner core 26 is matched with the first inner core matching groove and the second inner core matching groove, and the lower end of the inner core 26 is connected with the connecting piece 25. The slider 24 is press-fitted to one end of the club body 21, and the slider 24 is clearance-fitted to the outer core 22.
The wrench 2 may be embodied in the following structure: the upper part of the ball rod body 21 is a spheroid which is in clearance fit with the spherical groove, and the lower part of the ball rod body 21 is a column-shaped body. The upper end of the outer core 22 is provided with a second through hole, the cylindrical body of the club body 21 is in clearance fit with the second through hole, the lower end of the outer core 22 is provided with a third through hole, and the cylindrical body of the club body 21 enters the third through hole through the second through hole. The spring 23 is disposed between the cylindrical body of the club body 21 and the third through hole of the outer core 22. The sliding block 24 is a cylindrical body, the outer diameter of the sliding block 24 is matched with the third through hole of the outer core 22, and the sliding block 24 is in clearance fit with the third through hole; the slider 24 is provided with a fourth through hole, which is matched with the outer diameter of the cylindrical body of the club body 21, and the cylindrical body of the club body 21 and the fourth through hole are press-fitted. The connecting piece 25 is a cylindrical body, one end of the connecting piece 25 is provided with a first inner hole, the first inner hole is matched with the outer diameter of the lower end part of the outer core 22, the first inner hole is provided with a first connecting hole, the lower end part of the outer core 22 is provided with a second connecting hole, and the first pin 28 is inserted into the first connecting hole and the second connecting hole to connect the connecting piece 25 and the outer core 22; a second inner hole is formed in the other end of the connecting piece 25, the second inner hole is matched with the outer diameter of the upper end of the handle 27, a third connecting hole is formed in the second inner hole, a fourth connecting hole is formed in the upper end of the handle 27, and the second pin 29 is inserted into the third connecting hole and the fourth connecting hole to connect the connecting piece 25 and the handle 27; an inner core fixing hole is formed in the middle of the connecting piece 25, the lower end of the inner core 26 is matched with the inner core fixing hole, and the inner core 26 enters the first through hole of the club body 21 through the inner core fixing hole.
For convenience of understanding, the following description will be further made with reference to specific shapes and structures.
As shown in fig. 1 to 12, the lower end of the base 11 and the cover 12 are of a square structure; the outer core matching groove is a square groove, and the inner core matching groove is a round groove; the upper part of the outer core 22 is a cuboid with a square section, and the front end is provided with a chamfer; the upper part of the inner core 26 is a long small cylindrical body, the front end is provided with a chamfer, and the lower part is a large cylindrical body. The outer core matching groove can control the rotation direction of the handle 27, and the inner core matching groove can control the horizontal rotation direction of the handle 27.
The upper portion of the base 11 is in a bayonet shape, a round hole is arranged in the upper portion, the lower portion of the base is in a square structure, a hemispherical groove is formed in the center of the base, a half square groove and a half round groove are respectively formed in the transverse direction and the vertical direction of the edge of the hemispherical groove, and a half shallow groove is formed between the two half square grooves. And three countersunk head hole sites are arranged at the edge of the square structure at the lower part of the base 11. The cover plate 12 is of a square structure, a hemispherical groove is formed in the center of the cover plate, a semi-square groove and a semi-circular groove are respectively formed in the transverse direction and the vertical direction of the edge of the hemispherical groove and are in one-to-one correspondence with the semi-square groove and the semi-circular groove of the base 11, and a semi-shallow groove is formed between the two semi-square grooves. The square edge of the cover plate 12 is provided with three threaded hole sites which are in one-to-one correspondence with three countersunk head hole sites of the base 11. When using the countersunk head screw will base 11 with apron 12 connects the back, has formed base 1, just two square grooves and two circular grooves have been pieced together respectively to half square groove, the semicircular groove of base 11 and half square groove, the semicircular groove of apron 12, the hemisphere groove of base 11 with the hemisphere groove of apron 12 has pieced together globular groove, constitutes a shallow slot between the two prescription grooves, and the height of shallow slot is greater than the column external diameter of the club body of spanner, is less than the height of square groove.
The upper part of the ball rod body 21 is a spheroid, the size of the spheroid is matched with the spherical groove formed by the base 1, the spheroid is in clearance fit, and the spheroid can freely rotate in the spherical groove. The lower part of the club body 21 is a column, and a through straight hole is arranged in the center. The upper part of the outer core 22 is a cuboid with a square section, the size of the cuboid is matched with two prescription grooves formed by the base 1, the front end of the outer core 22 is provided with a chamfer, the center of the outer core is provided with a through hole, and the size of the through hole is matched with the size of a cylindrical body at the lower part of the club body 21 and is in clearance fit. The lower part of the outer core 22 is a cylindrical body with an inner hole, and the club body 21 enters the inner hole in the cylindrical body at the lower part of the outer core 22 through the through hole at the upper part of the outer core 22. The spring 23 is provided between the inner hole in the outer core 22 and the cylindrical body of the club body 21. The slider 24 is a short cylindrical body with an outer diameter matching the inner bore of the outer core 22, in a clearance fit. A through hole is provided in the slider 24, and the size of the through hole matches the outer diameter of the columnar lower portion of the club body 21 and is press-fitted. Two small through holes are arranged on the lower cylindrical body of the outer core 22. The connecting piece 25 is a cylindrical body, the upper part of the connecting piece is provided with an inner hole, and the size of the inner hole is matched with the size of the cylindrical outer diameter of the lower part of the outer core 22 and is in clearance fit. The middle cylindrical body of the connecting piece 25 is provided with a through hole and a circular groove (the through hole and the circular groove form an inner core fixing hole). The upper part of the inner core 26 is a long small cylindrical body, the front end is provided with a chamfer, and the lower part is a large cylindrical body. The inner core 26 passes through the inner hole of the connecting piece 25, and the thickness and the diameter of the large cylindrical body at the lower part of the inner core 26 are matched with the circular groove arranged at the middle part in the connecting piece 25, namely, the cylindrical body at the lower part of the inner core 26 is sunk into the circular groove at the middle part of the connecting piece 25. The upper cylindrical body of the connecting piece 25 is provided with two small through holes which are matched with the two small through holes arranged in the lower cylindrical body of the outer core 22, and the first pins 28 (short pins) are arranged at the two through holes and are in press fit with each other. The lower part of the connecting piece 25 is a cylindrical body with a built-in hole, and two small through holes are arranged on the cylindrical body. The handle 27 is an L-shaped rod, the outer diameter of which is matched with the size of the built-in hole at the lower part of the connecting piece 25, and is in clearance fit, the front end of the handle 27 is provided with an inner hole which is matched with two small through holes at the lower part of the connecting piece 25, and the middle part of the handle 27 is provided with the second pin 29 (long pin), and the two pins are in press fit with each other. After the golf club head is assembled, the golf club body 21 and the slider 24 are integrated, the outer core 22, the connecting member 25, the inner core 26, the handle 27, the first pin 28, and the second pin 29 are integrated, and the spring 23 is interposed between the golf club head 21 and the outer core 22.
When the pulling aid described above is applied to a board clamping device, the upper ball of the club body 21 of the wrench 2 is placed in the ball groove formed in the base 1 and fixed. The left side and the right side of the board card 3 are respectively provided with an inner bending part and an inner hole nut column, and the lower part of the board card 3 corresponds to two hole sites of the circuit board 4 and a mounting hole (through hole position) on the upper part of the base 1 of the pulling aid and is mounted by screws. Namely, the pulling-out aid is connected with the built-in nut column at the bottom of the board card 3 through an inner hole at the upper end by a screw, and after the connection, the pulling-out aid can freely rotate around the screw.
Fig. 1 and fig. 2 are schematic diagrams of the overall structure of the board card of the communication device of the present invention in the horizontal position and the vertical position, respectively.
As shown in fig. 1, 7 and 8, when the pulling aid is in a pushing state, the handle 27 of the wrench 2 is parallel to the panel of the board card 3, the L shape of the handle 27 is outward, at this time, the spring 23 is in a free state, the square column of the outer core 22 is matched with the horizontal square groove formed by the base 1, and the front end cylinder of the inner core 26 is matched with the horizontal circular groove formed by the base 1. In this state, the handle 27 of the wrench 2 is pulled outward, the spring 23 is compressed, and the outer core 22 and the inner core 26 move outward along with the handle 27, wherein the square column of the outer core 22 can be pulled out of the horizontal square groove formed in the base 1, and the inner core 26 is pulled out of the horizontal circular groove formed in the base 1 and is hidden in the built-in straight hole of the club body 21, thereby forming a schematic view when the wrench is rotated in a pulling manner as shown in fig. 11 and 12. At this time, the handle 27 of the wrench 2 may rotate clockwise 90 degrees to a vertical direction along the sliding groove formed in the base 1 along with the club body 21, and at the same time, the handle 27 of the wrench 2 may rotate clockwise 90 degrees in the ball groove along with the club body 21 to adjust the L-shape of the handle 27 to the upper side, and when the spring 23 is in a free state, the square body of the outer core 22 and the front end cylindrical body of the inner core 26 may be inserted into the square groove and the circular groove in the vertical direction of the base 1, respectively, so as to form a schematic diagram of the wrench position and the vertical position as shown in fig. 2, 9, and 10. The central plane of the L-shaped handle 27 is coplanar with the central planes of the second inner hole, the first inner hole and the front square body of the outer core 22, so as to ensure the use state of the handle 27 at the transverse position and the vertical position.
In conclusion, the pulling aid provided by the invention can control the assembly with a communication equipment case and the position of the handle part through stretching, rotating and autorotation, so that the handle part is positioned in the horizontal and vertical directions according to the use condition, the occupied space of the device wiring of the front panel of the board card can be effectively avoided, and the device layout of the front panel of the board card is not influenced. The pulling aid has simple and reliable structure, can utilize the structural space to the maximum extent, has small requirements on the spatial structure and is beneficial to the design of high-density products.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. A pull aid, comprising: a base, a wrench; the base is provided with a spherical groove and a sliding groove; the wrench comprises an adapter and a handle, the handle is connected with the adapter, the adapter comprises a bat body, the bat body is matched with the spherical groove, the handle rotates along with the adapter along the sliding groove in the horizontal direction and the vertical direction, and the handle can rotate along with the bat body;
the base includes: a base and a cover plate;
the base comprises an upper end part and a lower end part; the upper end part is a bayonet and is provided with a mounting hole; a first hemispherical groove is formed in the center of the lower end part, a first half outer core matching groove and a first half inner core matching groove are formed in the horizontal direction of the center of the first hemispherical groove, a second half outer core matching groove and a second half inner core matching groove are formed in the vertical direction of the center of the first hemispherical groove, and a first half transition groove is formed between the first half outer core matching groove and the second half outer core matching groove;
a second hemispherical groove is formed in the center of the cover plate, a third half outer core matching groove and a third half inner core matching groove are formed in the horizontal direction of the center of the second hemispherical groove, a fourth half outer core matching groove and a fourth half inner core matching groove are formed in the vertical direction of the center of the second hemispherical groove, and a second half transition groove is formed between the third half outer core matching groove and the fourth half outer core matching groove;
the first hemispherical groove and the second hemispherical groove constitute the spherical groove, the first half outer core matching groove and the third half outer core matching groove constitute a first outer core matching groove, the second half outer core matching groove and the fourth half outer core matching groove constitute a second outer core matching groove, the first half inner core matching groove and the third half inner core matching groove constitute a first inner core matching groove, the second half inner core matching groove and the fourth half inner core matching groove constitute a second inner core matching groove, and the first half transition groove and the second half transition groove constitute a first transition groove; the first outer core matching groove, the second outer core matching groove and the first transition groove form the sliding groove.
2. The extraction aid according to claim 1, wherein the lower end of the base is provided with a threaded hole site, the cover plate is provided with a countersunk hole site, and the countersunk hole site corresponds to the threaded hole site; and a countersunk head screw penetrates through the countersunk head hole site and the thread hole site to connect the base and the cover plate.
3. The extraction aid according to claim 1 or 2, wherein the adaptor further comprises: the outer core, the spring, the sliding block, the connecting piece and the inner core;
the upper end part of the outer core is matched with the first outer core matching groove and the second outer core matching groove, the lower end part of the outer core is connected with the connecting piece through a first pin, and the connecting piece is connected with the handle through a second pin;
the spring is arranged between the club body and the outer core;
the club body is provided with a first through hole, the inner core penetrates through the first through hole of the club body, the upper end of the inner core is matched with the first inner core matching groove and the second inner core matching groove, and the lower end of the inner core is connected with the connecting piece;
the slider is in press fit with one end of the club body, and the slider is in clearance fit with the outer core.
4. The extraction aid according to claim 3, wherein the upper portion of the bat body is a spheroid that is in clearance fit with the spherical groove, and the lower portion of the bat body is a cylinder;
the upper end part of the outer core is provided with a second through hole, the columnar body of the ball rod body is in clearance fit with the second through hole, the lower end part of the outer core is provided with a third through hole, and the columnar body of the ball rod body enters the third through hole through the second through hole;
the spring is arranged between the cylindrical body of the ball rod body and the third through hole of the outer core;
the sliding block is a cylindrical body, the outer diameter of the sliding block is matched with the third through hole of the outer core, and the sliding block is in clearance fit with the third through hole; the slider is provided with a fourth through hole, the fourth through hole is matched with the outer diameter of the columnar body of the club body, and the columnar body of the club body is in press fit with the fourth through hole.
5. The extraction aid according to claim 4, wherein the connecting member is a cylindrical body, one end of the connecting member is provided with a first inner hole, the first inner hole is matched with the outer diameter of the lower end part of the outer core, the first inner hole is provided with a first connecting hole, the lower end part of the outer core is provided with a second connecting hole, and the first pin is inserted into the first connecting hole and the second connecting hole to connect the connecting member and the outer core; a second inner hole is formed in the other end of the connecting piece and matched with the outer diameter of the upper end of the handle, a third connecting hole is formed in the second inner hole, a fourth connecting hole is formed in the upper end of the handle, and a second pin is inserted into the third connecting hole and the fourth connecting hole to connect the connecting piece and the handle; an inner core fixing hole is formed in the middle of the connecting piece, the lower end of the inner core is matched with the inner core fixing hole, and the inner core enters the first through hole of the club body through the inner core fixing hole.
6. The extraction aid of claim 1, wherein the handle is an L-shaped bar.
7. A board card device, which is characterized by comprising a board card, a circuit board and the pulling aid of any one of claims 1 to 6; the base of the pulling aid is fixedly connected with the board card, and the circuit board is fixedly installed on the board card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762347.8A CN108650842B (en) | 2018-07-12 | 2018-07-12 | Pulling aid and board clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762347.8A CN108650842B (en) | 2018-07-12 | 2018-07-12 | Pulling aid and board clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108650842A CN108650842A (en) | 2018-10-12 |
| CN108650842B true CN108650842B (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810762347.8A Active CN108650842B (en) | 2018-07-12 | 2018-07-12 | Pulling aid and board clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108650842B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488815A (en) * | 2021-06-18 | 2022-12-20 | 索斯科锁定技术（深圳）有限公司 | Extraction aid and equipment with same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820603A (en) * | 2012-06-13 | 2012-12-12 | 华为技术有限公司 | Pulling aid |
| US9179795B1 (en) * | 2014-05-29 | 2015-11-10 | Dong Woo Lee | Cooking pan system having foldable handle |
| CN205454296U (en) * | 2016-02-26 | 2016-08-10 | 杭州华三通信技术有限公司 | Help and pull out ware and communication equipment |
-
2018
- 2018-07-12 CN CN201810762347.8A patent/CN108650842B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820603A (en) * | 2012-06-13 | 2012-12-12 | 华为技术有限公司 | Pulling aid |
| US9179795B1 (en) * | 2014-05-29 | 2015-11-10 | Dong Woo Lee | Cooking pan system having foldable handle |
| CN205454296U (en) * | 2016-02-26 | 2016-08-10 | 杭州华三通信技术有限公司 | Help and pull out ware and communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108650842A (en) | 2018-10-12 |
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