CN204188672U - A kind of plug-type shielded box - Google Patents
A kind of plug-type shielded box Download PDFInfo
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- CN204188672U CN204188672U CN201420683806.0U CN201420683806U CN204188672U CN 204188672 U CN204188672 U CN 204188672U CN 201420683806 U CN201420683806 U CN 201420683806U CN 204188672 U CN204188672 U CN 204188672U
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- upper cover
- casing
- shielded box
- drive plate
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Abstract
The utility model discloses a kind of plug-type shielded box, the push-pull device at fixed comprising base plate, casing, upper cover and arrange between described casing and upper cover; Described casing is fixedly connected on described base plate, and described upper cover covers the agent structure forming shielded box on described casing; Described push-pull device at fixed comprises the Rodless cylinder and drive plate that are fixedly installed on described casing both sides respectively, described drive plate one end is connected with described upper cover, the other end of described drive plate is connected with the slide block of described Rodless cylinder, described Rodless cylinder drives the relatively described casing to-and-fro movement of described upper cover by described drive plate, realizes the plug-type keying of shielded box; The utility model adopts the version of upper cover and casing relative sliding to solve traditional shielded box cleverly in ease of use and security Problems existing and flexible movements, accurate positioning, whole course of action casing and the test fixture position be arranged in casing are fixed, and are specially adapted to use in automatic test device.
Description
Technical field
The utility model relates to the shielded box that a kind of test for electronic product provides shielding environment.
Background technology
Electromagnetic interference (EMI) (EMI) develops with electronics, electrical technology and occur, every electronics, technical field of electricity all can have electromagnetic interference (EMI).The electromagnetic interference (EMI) that electronics in a large amount of use, electrical system or equipment etc. produce can affect health, also can have an impact to the safety and reliability etc. that electronics, electrical system or equipment are mutual and endanger simultaneously.Severe electromagnetic environment often makes electronics, electrical system or equipment cisco unity malfunction, even causes fault and accident, or affects data when electronic product is tested.
But along with wireless communications products is for the raising of the accuracy requirement of Signal transmissions, electromagnetism interference performance requirement for product is more and more higher, current mobile phone, PDA and associated host circuit board complete the stage in exploitation, all need the test carrying out relevant electromagnetic property, and there is extremely complicated and serious electromagnetic interference (EMI) in general open environment, the degree of accuracy of easily impact test.Therefore, above-mentioned most test all must implement test, to reaching preferably testing precision in the environment of low EMI (or even without Electromagnetic Interference).
The common device of low EMI (without electromagnetic interference (EMI)) test environment that provides is the shielded box of a tool signal shielding function.What commonly use in current robotization shielding test equipment is drawer type shielded box, by carrier being arranged on keying slide rail realizing shielded box, tested product to be sent in shielded box along slide rail turnover shielded box and is carried out testing and take the tested product completing test out of shielded box by carrier, certain impact is had to casing when carrier turnover shielded box, easy trembling causes changing of carrier position, causes fault.
Utility model content
The purpose of this utility model is the plug-type shielded box proposing a kind of casing and upper cover relative sliding realization keying for above-mentioned technical matters.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of plug-type shielded box, the push-pull device at fixed comprising base plate, casing, upper cover and arrange between described casing and upper cover; Described casing is fixedly connected on described base plate, and described upper cover covers the agent structure forming shielded box on described casing; Described push-pull device at fixed comprises the Rodless cylinder and drive plate that are fixedly installed on described casing both sides respectively, described drive plate one end is connected with described upper cover, the other end of described drive plate is connected with the slide block of described Rodless cylinder, described Rodless cylinder drives the relatively described casing to-and-fro movement of described upper cover by described drive plate, realizes the plug-type keying of shielded box.
In the utility model, described push-pull device at fixed also comprises the installing plate for being fixed on by described Rodless cylinder on described casing, and described Rodless cylinder is fastened on described installing plate by two supports.
In the utility model, described push-pull device at fixed is provided with along the sliding trace of described drive plate the directive slide track be arranged on described base plate, is provided with the orienting lug matched with described directive slide track bottom described drive plate.
In the utility model, described directive slide track two ends are respectively arranged with a limited block, described limited block is respectively arranged with a caging bolt, push up upper described caging bolt when described drive plate runs to described Rodless cylinder two ends, described caging bolt plays buffer action simultaneously.
In the utility model, described push-pull device at fixed also includes web joint, described web joint is fixed on described upper tops and two ends are given prominence to described upper cover both sides and are connected with described drive plate respectively, and described push-pull device at fixed drives the relatively described casing of described upper cover reciprocating by described web joint.
In the utility model, described push-pull device at fixed be provided with for described web joint with form the micromotion structure be flexibly connected between drive plate, described micromotion structure comprise be arranged on described web joint end fine motion counterbore, to be arranged in described fine motion counterbore and the fine motion bolt be connected and fixed with described drive plate and lid are located at the fine motion cover plate on described fine motion counterbore, the motion can coordinated between two Rodless cylinders by described micromotion structure is asynchronous.
In the utility model, described push-pull device at fixed is provided with by the climbing structure of the vertical jacking of relatively described for described upper cover casing, described climbing structure comprises the jacking cylinder be arranged on described drive plate, be arranged on the raising plate between described jacking cylinder piston rod and upper cover, be interconnected by described climbing structure between described drive plate and upper cover.
Of the present utility model; described push-pull device at fixed is provided with for the protection of the tank chain of tracheae and for carrying out spacing stopper slot to described tank chain; described stopper slot is arranged on described installing plate; described tank chain one end is connected to described drive plate upper end, and the end of the described tank chain other end and described stopper slot is connected and fixed.
In the utility model, described casing is provided with the data communication interface such as RF radio frequency interface and filter connector for connecting outer testing system.
In the utility model, four corners of described base plate are respectively arranged with handle, and the two ends that described upper cover is parallel to own slip direction are respectively arranged with handle, convenient mobile described shielded box.
In the utility model, described in be convenient to switch shielded box in be also provided with test fixture for clamping tested product, facilitate the wiring of tested product by described test fixture and pick and place, improving testing efficiency.
The version of the utility model employing upper cover and casing relative sliding solves traditional shielded box flip-shell cleverly, drawer type opens and closes at ease of use and security Problems existing; First after casing being left in upper cover jacking by jacking cylinder, assigned address is slided to by Rodless cylinder traction again when plug-type shielded box runs, after putting into tested product, upper cover is drawn closed again by described jacking cylinder after drawing back original position by Rodless cylinder, whole process action is flexible, accurate positioning, whole course of action casing and the test fixture position be arranged in casing are fixed, and are specially adapted to use in automatic test device.
Accompanying drawing explanation
Fig. 1 is the structural representation of plug-type shielded box in the utility model one embodiment;
Fig. 2 be in the utility model one embodiment plug-type shielded box without the structural representation of base plate;
Fig. 3 is the structural representation of push-pull device at fixed in the utility model one embodiment;
Fig. 4 is the structural representation of drive plate in the utility model one embodiment;
Fig. 5 is the structural representation of Rodless cylinder in the utility model one embodiment;
Fig. 6 is the structural representation of directive slide track in the utility model one embodiment;
Fig. 7 is the structural representation of jacking cylinder in the utility model one embodiment;
Fig. 8 is the structural representation of micromotion structure in the utility model one embodiment.
Embodiment
In order to be illustrated more clearly in the technical solution of the utility model, below in conjunction with drawings and Examples, the technical solution of the utility model is further elaborated, apparently, the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other embodiment can also be obtained according to these embodiments.
A kind of plug-type shielded box, with reference to Fig. 1, Fig. 2, the push-pull device at fixed 4 comprising base plate 1, casing 2, upper cover 3 and arrange between casing 2 and upper cover 3; Casing 2 is fixedly connected on base plate 1, and base plate 1 is the carrier installing shielded box peripheral equipment, shielded box can be fixed on other equipment by base plate 1.Upper cover 3 covers the agent structure forming shielded box on casing 2; The face that covers between casing 2 and upper cover 3 can adopt tongue and groove structure to reach the effect of sealing, also can play certain positioning action simultaneously.Relative sliding between casing 2 and upper cover 3 is realized by push-pull device at fixed 4, concrete, push-pull device at fixed 4 comprises the Rodless cylinder 41 and drive plate 42 that are fixedly installed on casing 2 both sides respectively, drive plate 42 one end is connected with upper cover 3, the other end of drive plate 42 is connected with the slide block 411 of Rodless cylinder 41, Rodless cylinder 41 drives upper cover 3 opposite case 2 to make horizontal reciprocating movement by drive plate 42, realizes the plug-type keying of shielded box.
With reference to Fig. 3, push-pull device at fixed 4 also comprises the installing plate 43 for being fixed on by Rodless cylinder 41 on casing 2, installing plate 43 uses the securing member such as screw or bolt to be locked on the sidewall of casing 2, the two ends of Rodless cylinder 41 are fastened on installing plate 43 by two supports 431, and installing plate 43 is that the stable operation of Rodless cylinder 41 provides support.
With reference to Fig. 4, drive plate 42 provides power drive upper cover 3 to slide by Rodless cylinder 41 slide block 411,2 connections make the operation stability of drive plate 42 not high, and greatly accelerate the loss of Rodless cylinder 41 slide block 411, upper cover 3 also easily catching phenomenon occurs in sliding process.For this reason, push-pull device at fixed 4 is provided with along the sliding trace of drive plate 42 directive slide track 44 be arranged on base plate 1, is provided with the orienting lug 421 matched with directive slide track 44 bottom drive plate 42; Concrete, directive slide track 44 is trapezoidal rails, and orienting lug 421 offers dovetail groove, for drive plate 42 provides accurately guiding and supplemental support.
With reference to Fig. 1 and Fig. 6, directive slide track 44 two ends are respectively arranged with a limited block 441, limited block 441 is respectively arranged with a caging bolt 442, drive plate 42 pushes up upper limit bolt 442 when running to Rodless cylinder 41 two ends, caging bolt 442 plays limiting buffer effect simultaneously, prevents drive plate 42 and Rodless cylinder 41 two ends from colliding.
Shielded box described in embodiment is generally applied in automatic test equipment, see figures.1.and.2, debug in the frame needing shielded box to be arranged on automatic test equipment, for convenience of the carrying of shielded box in Installation and Debugging and position adjustment, four corners of base plate 1 are respectively arranged with a handle 5; And be respectively arranged with a handle 5 at the two ends that upper cover 3 is parallel to own slip direction, facilitate the later maintenance of shielded box to install.
For testing accordingly tested product in shielded box, with reference to Fig. 1, the test fixture 5 for clamping tested product being set in shielded box, facilitating the wiring of tested product by test fixture 5 and picking and placeing, improve testing efficiency; With reference to Fig. 2, the data communication interfaces 7 such as RF radio frequency interface for connecting outer testing system and filter connector are set simultaneously on casing 2.Type and the data communication interface 7 specification quantity of test fixture 5 can adjust accordingly according to concrete test request, just do not do concrete restriction here.
In one embodiment, because push-pull device at fixed 4 is that two Rodless cylinders 41 by being arranged on casing 2 both sides drive upper cover 3 to reciprocatingly slide, because the factor such as trueness error and installation accuracy of Rodless cylinder 41 self easily causes Rodless cylinder 41 action of casing 2 both sides asynchronous.For this reason, push-pull device at fixed 4 is provided with the web joint 45 for synchronous casing 2 both sides Rodless cylinder 41 movement velocity, with reference to Fig. 1 and Fig. 3 this web joint 45 by bolt or etc. the securing members such as rivet be fixed on upper cover 3 top and upper cover 3 both sides are given prominence at two ends, web joint 45 two ends are connected with drive plate 42 respectively by using bolt, drive plate 42 be not directly fixed on upper cover 3 but indirectly drive upper cover 3 opposite case 2 reciprocating by web joint 45, making the synchronous operation of two Rodless cylinders 41.
In one embodiment, although web joint 45 can the travelling speed of synchronous casing 2 both sides Rodless cylinder 41, but can only be fine setting, if the travelling speed difference of two Rodless cylinders 41 is larger, still upper cover 3 sliding gesture can be caused to deflect and easily clamping stagnation is even stuck, if have certain between drive plate 42 and web joint 45, then can thoroughly solve the problem.For this reason, push-pull device at fixed 4 is provided with the micromotion structure 49 be flexibly connected for forming space six degree of freedom between web joint 45 with drive plate 42, with reference to Fig. 8, micromotion structure 49 comprise be arranged on web joint 45 end fine motion counterbore 451, be arranged in fine motion counterbore 451 and the fine motion bolt 492 be connected and fixed with drive plate 42 and cover the fine motion cover plate 493 be located on fine motion counterbore 451; Concrete, the length of fine motion bolt 492 is longer than general bolt and the diameter of the screw diameter of fine motion bolt 492 and fine motion counterbore 451 has larger difference, between step surface after drive plate 42 screws completely in fine motion bolt 492 head and fine motion counterbore 451 and and fine motion cover plate 493 between all there is certain distance, and then make the active link of implementation space six degree of freedom between web joint 45 and drive plate 42.By the adjustment of above-mentioned micromotion structure 49, even if upper cover 3 occurs larger asynchronous and occur comparatively serious posture deforming also can carry out adjustment adaptation by micromotion structure 49 in sliding process and there will not be catching phenomenon due to the travelling speed of the Rodless cylinder 41 of casing 2 both sides, greatly improve shielded box reliability of operation.
In one embodiment, with reference to Fig. 4 and Fig. 7, the face that covers between casing 2 and upper cover 3 is worn and torn very fast in sliding friction process repeatedly, especially ensures to cover face positiver sealing and the flexible conducting material layer that arranges is easy to occur damaged; The tested product be simultaneously carried on test fixture 5 is also easily caused the layout of test fixture 5 to be subject to the restriction of upper cover 3 by upper cover 3 scratching.For this reason, in shielded box opening process, upper cover 3 increases the action of a upwards jacking, abdicates certain vertical space, release of then sliding.For this reason, push-pull device at fixed 4 is provided with by the climbing structure of vertical for upper cover 3 opposite case 2 jacking, climbing structure comprises the jacking cylinder 48 be arranged on drive plate 42, be arranged on the raising plate 491 between jacking cylinder 48 piston rod and upper cover 3, be interconnected by climbing structure between drive plate 42 and upper cover 3.
Concrete, with reference to Fig. 7, jacking cylinder 48 has three parallel piston rods arranged, for ensureing three piston rod synchronization actions, three piston rod end unifications are fastened on piston plate 482, raising plate 491 uses the securing members such as bolt and piston plate 482 to be locked, and arranges above-mentioned micromotion structure 49 and be mutually flexibly connected between raising plate 491 with upper cover 3.
Preferably, motion mutually is all there is between each main building block due to push-pull device at fixed 4, the tracheae of each cylinder, also all along with easily tangled or damaged by scratching in the process of the motion of cylinder, causes the tracheae life-span short and easy interfering movement parts proper motion.Therefore; with reference to Fig. 3; push-pull device at fixed 4 is provided with for the protection of the tank chain 47 of tracheae and for carrying out spacing stopper slot 46 to tank chain 47; it is inner that tracheae and other wires thereof are all arranged on tank chain 47; stopper slot 46 is arranged on installing plate 43; tank chain 47 one end is connected to drive plate 42 upper end, and the end of tank chain 47 other end and stopper slot 46 is connected and fixed, and draws and protect in operational process to tracheae.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a plug-type shielded box, is characterized in that: the push-pull device at fixed (4) comprising base plate (1), casing (2), upper cover (3) and arrange between described casing (2) and upper cover (3);
Described casing (2) is fixedly connected on described base plate (1), and described upper cover (3) covers in the upper agent structure forming shielded box of described casing (2);
Described push-pull device at fixed (4) comprises the Rodless cylinder (41) and drive plate (42) that are fixedly installed on described casing (2) both sides respectively;
Described drive plate (42) one end is connected with described upper cover (3), and the other end of described drive plate (42) is connected with the slide block (411) of described Rodless cylinder (41);
Described Rodless cylinder (41) drives the relatively described casing (2) of described upper cover (3) to make horizontal reciprocating movement by described drive plate (42), realizes the plug-type keying of shielded box.
2. a kind of plug-type shielded box as claimed in claim 1, it is characterized in that: described push-pull device at fixed (4) also comprises the installing plate (43) for being fixed on by described Rodless cylinder (41) on described casing (2), and described Rodless cylinder (41) is fastened on described installing plate (43) by two supports (431).
3. a kind of plug-type shielded box as claimed in claim 1, it is characterized in that: described push-pull device at fixed (4) is provided with along the sliding trace of described drive plate (42) directive slide track (44) be arranged on described base plate (1), described drive plate (42) bottom is provided with the orienting lug (421) matched with described directive slide track (44).
4. a kind of plug-type shielded box as claimed in claim 3, it is characterized in that: described directive slide track (44) two ends are respectively arranged with a limited block (441), described limited block (441) is respectively arranged with a caging bolt (442), when described drive plate (42) runs to described Rodless cylinder (41) two ends, pushes up upper described caging bolt (442).
5. a kind of plug-type shielded box as claimed in claim 1, it is characterized in that: described push-pull device at fixed (4) also comprises web joint (45), described web joint (45) is fixed on described upper cover (3) top and two ends are given prominence to described upper cover (3) both sides and are connected with described drive plate (42) respectively, and described push-pull device at fixed (4) drives the relatively described casing (2) of described upper cover (3) to make horizontal reciprocating movement by described web joint (45).
6. a kind of plug-type shielded box as claimed in claim 5, it is characterized in that: described push-pull device at fixed (4) is provided with for forming the micromotion structure (49) be flexibly connected between described web joint (45) with drive plate (42), described micromotion structure (49) comprises the fine motion counterbore (451) being arranged on described web joint (45) end, to be arranged in described fine motion counterbore (451) and the fine motion bolt (492) be connected and fixed with described drive plate (42) and cover the fine motion cover plate (493) be located on described fine motion counterbore (451).
7. a kind of plug-type shielded box as claimed in claim 1, it is characterized in that: described push-pull device at fixed (4) is provided with by the climbing structure of vertical for relatively described for described upper cover (3) casing (2) jacking, described climbing structure comprises the jacking cylinder (48) be arranged on described drive plate (42), be arranged on the raising plate (491) between described jacking cylinder (48) piston rod and upper cover (3), be interconnected by described climbing structure between described drive plate (42) and upper cover (3).
8. a kind of plug-type shielded box as claimed in claim 2; it is characterized in that: described push-pull device at fixed (4) is provided with for the protection of the tank chain (47) of tracheae and for carrying out spacing stopper slot (46) to described tank chain (47); described stopper slot (46) is arranged on described installing plate (43); described tank chain (47) one end is connected to described drive plate (42) upper end, and the end of described tank chain (47) other end and described stopper slot (46) is connected and fixed.
9. a kind of plug-type shielded box as claimed in claim 1, is characterized in that: described casing (2) is provided with the data communication interface (7) for connecting outer testing system.
10. a kind of plug-type shielded box as claimed in claim 1, is characterized in that: described in be convenient to switch shielded box in be also provided with test fixture (5) for clamping tested product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683806.0U CN204188672U (en) | 2014-11-14 | 2014-11-14 | A kind of plug-type shielded box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683806.0U CN204188672U (en) | 2014-11-14 | 2014-11-14 | A kind of plug-type shielded box |
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| Publication Number | Publication Date |
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| CN204188672U true CN204188672U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420683806.0U Active CN204188672U (en) | 2014-11-14 | 2014-11-14 | A kind of plug-type shielded box |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403460A (en) * | 2015-11-30 | 2016-03-16 | 芜湖恒美电热器具有限公司 | Hydraulic press for heating pipe of water heater |
| CN106353542A (en) * | 2016-08-15 | 2017-01-25 | 珠海市博杰电子有限公司 | Method for convenient shielded box operation |
| CN108872757A (en) * | 2018-03-12 | 2018-11-23 | 中国电力科学研究院有限公司 | Drawer type Local Communication Module examines and determine pallet, calibrating tray set and detecting box |
| CN110133334A (en) * | 2019-06-28 | 2019-08-16 | 宜昌达瑞机电科技有限公司 | A kind of automation energization detecting tool |
| CN115315167A (en) * | 2022-06-30 | 2022-11-08 | 深圳市力子光电科技有限公司 | PCB board with easy dismouting signal shielding structure |
-
2014
- 2014-11-14 CN CN201420683806.0U patent/CN204188672U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403460A (en) * | 2015-11-30 | 2016-03-16 | 芜湖恒美电热器具有限公司 | Hydraulic press for heating pipe of water heater |
| CN106353542A (en) * | 2016-08-15 | 2017-01-25 | 珠海市博杰电子有限公司 | Method for convenient shielded box operation |
| CN108872757A (en) * | 2018-03-12 | 2018-11-23 | 中国电力科学研究院有限公司 | Drawer type Local Communication Module examines and determine pallet, calibrating tray set and detecting box |
| CN108872757B (en) * | 2018-03-12 | 2022-03-04 | 中国电力科学研究院有限公司 | Drawer type local communication module verification tray, verification tray set and detection cabinet |
| CN110133334A (en) * | 2019-06-28 | 2019-08-16 | 宜昌达瑞机电科技有限公司 | A kind of automation energization detecting tool |
| CN115315167A (en) * | 2022-06-30 | 2022-11-08 | 深圳市力子光电科技有限公司 | PCB board with easy dismouting signal shielding structure |
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